summaryrefslogtreecommitdiff
path: root/gcc/ChangeLog
blob: 04a4770b7b5da712e35bdc5a87e3e720da488776 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
503
504
505
506
507
508
509
510
511
512
513
514
515
516
517
518
519
520
521
522
523
524
525
526
527
528
529
530
531
532
533
534
535
536
537
538
539
540
541
542
543
544
545
546
547
548
549
550
551
552
553
554
555
556
557
558
559
560
561
562
563
564
565
566
567
568
569
570
571
572
573
574
575
576
577
578
579
580
581
582
583
584
585
586
587
588
589
590
591
592
593
594
595
596
597
598
599
600
601
602
603
604
605
606
607
608
609
610
611
612
613
614
615
616
617
618
619
620
621
622
623
624
625
626
627
628
629
630
631
632
633
634
635
636
637
638
639
640
641
642
643
644
645
646
647
648
649
650
651
652
653
654
655
656
657
658
659
660
661
662
663
664
665
666
667
668
669
670
671
672
673
674
675
676
677
678
679
680
681
682
683
684
685
686
687
688
689
690
691
692
693
694
695
696
697
698
699
700
701
702
703
704
705
706
707
708
709
710
711
712
713
714
715
716
717
718
719
720
721
722
723
724
725
726
727
728
729
730
731
732
733
734
735
736
737
738
739
740
741
742
743
744
745
746
747
748
749
750
751
752
753
754
755
756
757
758
759
760
761
762
763
764
765
766
767
768
769
770
771
772
773
774
775
776
777
778
779
780
781
782
783
784
785
786
787
788
789
790
791
792
793
794
795
796
797
798
799
800
801
802
803
804
805
806
807
808
809
810
811
812
813
814
815
816
817
818
819
820
821
822
823
824
825
826
827
828
829
830
831
832
833
834
835
836
837
838
839
840
841
842
843
844
845
846
847
848
849
850
851
852
853
854
855
856
857
858
859
860
861
862
863
864
865
866
867
868
869
870
871
872
873
874
875
876
877
878
879
880
881
882
883
884
885
886
887
888
889
890
891
892
893
894
895
896
897
898
899
900
901
902
903
904
905
906
907
908
909
910
911
912
913
914
915
916
917
918
919
920
921
922
923
924
925
926
927
928
929
930
931
932
933
934
935
936
937
938
939
940
941
942
943
944
945
946
947
948
949
950
951
952
953
954
955
956
957
958
959
960
961
962
963
964
965
966
967
968
969
970
971
972
973
974
975
976
977
978
979
980
981
982
983
984
985
986
987
988
989
990
991
992
993
994
995
996
997
998
999
1000
1001
1002
1003
1004
1005
1006
1007
1008
1009
1010
1011
1012
1013
1014
1015
1016
1017
1018
1019
1020
1021
1022
1023
1024
1025
1026
1027
1028
1029
1030
1031
1032
1033
1034
1035
1036
1037
1038
1039
1040
1041
1042
1043
1044
1045
1046
1047
1048
1049
1050
1051
1052
1053
1054
1055
1056
1057
1058
1059
1060
1061
1062
1063
1064
1065
1066
1067
1068
1069
1070
1071
1072
1073
1074
1075
1076
1077
1078
1079
1080
1081
1082
1083
1084
1085
1086
1087
1088
1089
1090
1091
1092
1093
1094
1095
1096
1097
1098
1099
1100
1101
1102
1103
1104
1105
1106
1107
1108
1109
1110
1111
1112
1113
1114
1115
1116
1117
1118
1119
1120
1121
1122
1123
1124
1125
1126
1127
1128
1129
1130
1131
1132
1133
1134
1135
1136
1137
1138
1139
1140
1141
1142
1143
1144
1145
1146
1147
1148
1149
1150
1151
1152
1153
1154
1155
1156
1157
1158
1159
1160
1161
1162
1163
1164
1165
1166
1167
1168
1169
1170
1171
1172
1173
1174
1175
1176
1177
1178
1179
1180
1181
1182
1183
1184
1185
1186
1187
1188
1189
1190
1191
1192
1193
1194
1195
1196
1197
1198
1199
1200
1201
1202
1203
1204
1205
1206
1207
1208
1209
1210
1211
1212
1213
1214
1215
1216
1217
1218
1219
1220
1221
1222
1223
1224
1225
1226
1227
1228
1229
1230
1231
1232
1233
1234
1235
1236
1237
1238
1239
1240
1241
1242
1243
1244
1245
1246
1247
1248
1249
1250
1251
1252
1253
1254
1255
1256
1257
1258
1259
1260
1261
1262
1263
1264
1265
1266
1267
1268
1269
1270
1271
1272
1273
1274
1275
1276
1277
1278
1279
1280
1281
1282
1283
1284
1285
1286
1287
1288
1289
1290
1291
1292
1293
1294
1295
1296
1297
1298
1299
1300
1301
1302
1303
1304
1305
1306
1307
1308
1309
1310
1311
1312
1313
1314
1315
1316
1317
1318
1319
1320
1321
1322
1323
1324
1325
1326
1327
1328
1329
1330
1331
1332
1333
1334
1335
1336
1337
1338
1339
1340
1341
1342
1343
1344
1345
1346
1347
1348
1349
1350
1351
1352
1353
1354
1355
1356
1357
1358
1359
1360
1361
1362
1363
1364
1365
1366
1367
1368
1369
1370
1371
1372
1373
1374
1375
1376
1377
1378
1379
1380
1381
1382
1383
1384
1385
1386
1387
1388
1389
1390
1391
1392
1393
1394
1395
1396
1397
1398
1399
1400
1401
1402
1403
1404
1405
1406
1407
1408
1409
1410
1411
1412
1413
1414
1415
1416
1417
1418
1419
1420
1421
1422
1423
1424
1425
1426
1427
1428
1429
1430
1431
1432
1433
1434
1435
1436
1437
1438
1439
1440
1441
1442
1443
1444
1445
1446
1447
1448
1449
1450
1451
1452
1453
1454
1455
1456
1457
1458
1459
1460
1461
1462
1463
1464
1465
1466
1467
1468
1469
1470
1471
1472
1473
1474
1475
1476
1477
1478
1479
1480
1481
1482
1483
1484
1485
1486
1487
1488
1489
1490
1491
1492
1493
1494
1495
1496
1497
1498
1499
1500
1501
1502
1503
1504
1505
1506
1507
1508
1509
1510
1511
1512
1513
1514
1515
1516
1517
1518
1519
1520
1521
1522
1523
1524
1525
1526
1527
1528
1529
1530
1531
1532
1533
1534
1535
1536
1537
1538
1539
1540
1541
1542
1543
1544
1545
1546
1547
1548
1549
1550
1551
1552
1553
1554
1555
1556
1557
1558
1559
1560
1561
1562
1563
1564
1565
1566
1567
1568
1569
1570
1571
1572
1573
1574
1575
1576
1577
1578
1579
1580
1581
1582
1583
1584
1585
1586
1587
1588
1589
1590
1591
1592
1593
1594
1595
1596
1597
1598
1599
1600
1601
1602
1603
1604
1605
1606
1607
1608
1609
1610
1611
1612
1613
1614
1615
1616
1617
1618
1619
1620
1621
1622
1623
1624
1625
1626
1627
1628
1629
1630
1631
1632
1633
1634
1635
1636
1637
1638
1639
1640
1641
1642
1643
1644
1645
1646
1647
1648
1649
1650
1651
1652
1653
1654
1655
1656
1657
1658
1659
1660
1661
1662
1663
1664
1665
1666
1667
1668
1669
1670
1671
1672
1673
1674
1675
1676
1677
1678
1679
1680
1681
1682
1683
1684
1685
1686
1687
1688
1689
1690
1691
1692
1693
1694
1695
1696
1697
1698
1699
1700
1701
1702
1703
1704
1705
1706
1707
1708
1709
1710
1711
1712
1713
1714
1715
1716
1717
1718
1719
1720
1721
1722
1723
1724
1725
1726
1727
1728
1729
1730
1731
1732
1733
1734
1735
1736
1737
1738
1739
1740
1741
1742
1743
1744
1745
1746
1747
1748
1749
1750
1751
1752
1753
1754
1755
1756
1757
1758
1759
1760
1761
1762
1763
1764
1765
1766
1767
1768
1769
1770
1771
1772
1773
1774
1775
1776
1777
1778
1779
1780
1781
1782
1783
1784
1785
1786
1787
1788
1789
1790
1791
1792
1793
1794
1795
1796
1797
1798
1799
1800
1801
1802
1803
1804
1805
1806
1807
1808
1809
1810
1811
1812
1813
1814
1815
1816
1817
1818
1819
1820
1821
1822
1823
1824
1825
1826
1827
1828
1829
1830
1831
1832
1833
1834
1835
1836
1837
1838
1839
1840
1841
1842
1843
1844
1845
1846
1847
1848
1849
1850
1851
1852
1853
1854
1855
1856
1857
1858
1859
1860
1861
1862
1863
1864
1865
1866
1867
1868
1869
1870
1871
1872
1873
1874
1875
1876
1877
1878
1879
1880
1881
1882
1883
1884
1885
1886
1887
1888
1889
1890
1891
1892
1893
1894
1895
1896
1897
1898
1899
1900
1901
1902
1903
1904
1905
1906
1907
1908
1909
1910
1911
1912
1913
1914
1915
1916
1917
1918
1919
1920
1921
1922
1923
1924
1925
1926
1927
1928
1929
1930
1931
1932
1933
1934
1935
1936
1937
1938
1939
1940
1941
1942
1943
1944
1945
1946
1947
1948
1949
1950
1951
1952
1953
1954
1955
1956
1957
1958
1959
1960
1961
1962
1963
1964
1965
1966
1967
1968
1969
1970
1971
1972
1973
1974
1975
1976
1977
1978
1979
1980
1981
1982
1983
1984
1985
1986
1987
1988
1989
1990
1991
1992
1993
1994
1995
1996
1997
1998
1999
2000
2001
2002
2003
2004
2005
2006
2007
2008
2009
2010
2011
2012
2013
2014
2015
2016
2017
2018
2019
2020
2021
2022
2023
2024
2025
2026
2027
2028
2029
2030
2031
2032
2033
2034
2035
2036
2037
2038
2039
2040
2041
2042
2043
2044
2045
2046
2047
2048
2049
2050
2051
2052
2053
2054
2055
2056
2057
2058
2059
2060
2061
2062
2063
2064
2065
2066
2067
2068
2069
2070
2071
2072
2073
2074
2075
2076
2077
2078
2079
2080
2081
2082
2083
2084
2085
2086
2087
2088
2089
2090
2091
2092
2093
2094
2095
2096
2097
2098
2099
2100
2101
2102
2103
2104
2105
2106
2107
2108
2109
2110
2111
2112
2113
2114
2115
2116
2117
2118
2119
2120
2121
2122
2123
2124
2125
2126
2127
2128
2129
2130
2131
2132
2133
2134
2135
2136
2137
2138
2139
2140
2141
2142
2143
2144
2145
2146
2147
2148
2149
2150
2151
2152
2153
2154
2155
2156
2157
2158
2159
2160
2161
2162
2163
2164
2165
2166
2167
2168
2169
2170
2171
2172
2173
2174
2175
2176
2177
2178
2179
2180
2181
2182
2183
2184
2185
2186
2187
2188
2189
2190
2191
2192
2193
2194
2195
2196
2197
2198
2199
2200
2201
2202
2203
2204
2205
2206
2207
2208
2209
2210
2211
2212
2213
2214
2215
2216
2217
2218
2219
2220
2221
2222
2223
2224
2225
2226
2227
2228
2229
2230
2231
2232
2233
2234
2235
2236
2237
2238
2239
2240
2241
2242
2243
2244
2245
2246
2247
2248
2249
2250
2251
2252
2253
2254
2255
2256
2257
2258
2259
2260
2261
2262
2263
2264
2265
2266
2267
2268
2269
2270
2271
2272
2273
2274
2275
2276
2277
2278
2279
2280
2281
2282
2283
2284
2285
2286
2287
2288
2289
2290
2291
2292
2293
2294
2295
2296
2297
2298
2299
2300
2301
2302
2303
2304
2305
2306
2307
2308
2309
2310
2311
2312
2313
2314
2315
2316
2317
2318
2319
2320
2321
2322
2323
2324
2325
2326
2327
2328
2329
2330
2331
2332
2333
2334
2335
2336
2337
2338
2339
2340
2341
2342
2343
2344
2345
2346
2347
2348
2349
2350
2351
2352
2353
2354
2355
2356
2357
2358
2359
2360
2361
2362
2363
2364
2365
2366
2367
2368
2369
2370
2371
2372
2373
2374
2375
2376
2377
2378
2379
2380
2381
2382
2383
2384
2385
2386
2387
2388
2389
2390
2391
2392
2393
2394
2395
2396
2397
2398
2399
2400
2401
2402
2403
2404
2405
2406
2407
2408
2409
2410
2411
2412
2413
2414
2415
2416
2417
2418
2419
2420
2421
2422
2423
2424
2425
2426
2427
2428
2429
2430
2431
2432
2433
2434
2435
2436
2437
2438
2439
2440
2441
2442
2443
2444
2445
2446
2447
2448
2449
2450
2451
2452
2453
2454
2455
2456
2457
2458
2459
2460
2461
2462
2463
2464
2465
2466
2467
2468
2469
2470
2471
2472
2473
2474
2475
2476
2477
2478
2479
2480
2481
2482
2483
2484
2485
2486
2487
2488
2489
2490
2491
2492
2493
2494
2495
2496
2497
2498
2499
2500
2501
2502
2503
2504
2505
2506
2507
2508
2509
2510
2511
2512
2513
2514
2515
2516
2517
2518
2519
2520
2521
2522
2523
2524
2525
2526
2527
2528
2529
2530
2531
2532
2533
2534
2535
2536
2537
2538
2539
2540
2541
2542
2543
2544
2545
2546
2547
2548
2549
2550
2551
2552
2553
2554
2555
2556
2557
2558
2559
2560
2561
2562
2563
2564
2565
2566
2567
2568
2569
2570
2571
2572
2573
2574
2575
2576
2577
2578
2579
2580
2581
2582
2583
2584
2585
2586
2587
2588
2589
2590
2591
2592
2593
2594
2595
2596
2597
2598
2599
2600
2601
2602
2603
2604
2605
2606
2607
2608
2609
2610
2611
2612
2613
2614
2615
2616
2617
2618
2619
2620
2621
2622
2623
2624
2625
2626
2627
2628
2629
2630
2631
2632
2633
2634
2635
2636
2637
2638
2639
2640
2641
2642
2643
2644
2645
2646
2647
2648
2649
2650
2651
2652
2653
2654
2655
2656
2657
2658
2659
2660
2661
2662
2663
2664
2665
2666
2667
2668
2669
2670
2671
2672
2673
2674
2675
2676
2677
2678
2679
2680
2681
2682
2683
2684
2685
2686
2687
2688
2689
2690
2691
2692
2693
2694
2695
2696
2697
2698
2699
2700
2701
2702
2703
2704
2705
2706
2707
2708
2709
2710
2711
2712
2713
2714
2715
2716
2717
2718
2719
2720
2721
2722
2723
2724
2725
2726
2727
2728
2729
2730
2731
2732
2733
2734
2735
2736
2737
2738
2739
2740
2741
2742
2743
2744
2745
2746
2747
2748
2749
2750
2751
2752
2753
2754
2755
2756
2757
2758
2759
2760
2761
2762
2763
2764
2765
2766
2767
2768
2769
2770
2771
2772
2773
2774
2775
2776
2777
2778
2779
2780
2781
2782
2783
2784
2785
2786
2787
2788
2789
2790
2791
2792
2793
2794
2795
2796
2797
2798
2799
2800
2801
2802
2803
2804
2805
2806
2807
2808
2809
2810
2811
2812
2813
2814
2815
2816
2817
2818
2819
2820
2821
2822
2823
2824
2825
2826
2827
2828
2829
2830
2831
2832
2833
2834
2835
2836
2837
2838
2839
2840
2841
2842
2843
2844
2845
2846
2847
2848
2849
2850
2851
2852
2853
2854
2855
2856
2857
2858
2859
2860
2861
2862
2863
2864
2865
2866
2867
2868
2869
2870
2871
2872
2873
2874
2875
2876
2877
2878
2879
2880
2881
2882
2883
2884
2885
2886
2887
2888
2889
2890
2891
2892
2893
2894
2895
2896
2897
2898
2899
2900
2901
2902
2903
2904
2905
2906
2907
2908
2909
2910
2911
2912
2913
2914
2915
2916
2917
2918
2919
2920
2921
2922
2923
2924
2925
2926
2927
2928
2929
2930
2931
2932
2933
2934
2935
2936
2937
2938
2939
2940
2941
2942
2943
2944
2945
2946
2947
2948
2949
2950
2951
2952
2953
2954
2955
2956
2957
2958
2959
2960
2961
2962
2963
2964
2965
2966
2967
2968
2969
2970
2971
2972
2973
2974
2975
2976
2977
2978
2979
2980
2981
2982
2983
2984
2985
2986
2987
2988
2989
2990
2991
2992
2993
2994
2995
2996
2997
2998
2999
3000
3001
3002
3003
3004
3005
3006
3007
3008
3009
3010
3011
3012
3013
3014
3015
3016
3017
3018
3019
3020
3021
3022
3023
3024
3025
3026
3027
3028
3029
3030
3031
3032
3033
3034
3035
3036
3037
3038
3039
3040
3041
3042
3043
3044
3045
3046
3047
3048
3049
3050
3051
3052
3053
3054
3055
3056
3057
3058
3059
3060
3061
3062
3063
3064
3065
3066
3067
3068
3069
3070
3071
3072
3073
3074
3075
3076
3077
3078
3079
3080
3081
3082
3083
3084
3085
3086
3087
3088
3089
3090
3091
3092
3093
3094
3095
3096
3097
3098
3099
3100
3101
3102
3103
3104
3105
3106
3107
3108
3109
3110
3111
3112
3113
3114
3115
3116
3117
3118
3119
3120
3121
3122
3123
3124
3125
3126
3127
3128
3129
3130
3131
3132
3133
3134
3135
3136
3137
3138
3139
3140
3141
3142
3143
3144
3145
3146
3147
3148
3149
3150
3151
3152
3153
3154
3155
3156
3157
3158
3159
3160
3161
3162
3163
3164
3165
3166
3167
3168
3169
3170
3171
3172
3173
3174
3175
3176
3177
3178
3179
3180
3181
3182
3183
3184
3185
3186
3187
3188
3189
3190
3191
3192
3193
3194
3195
3196
3197
3198
3199
3200
3201
3202
3203
3204
3205
3206
3207
3208
3209
3210
3211
3212
3213
3214
3215
3216
3217
3218
3219
3220
3221
3222
3223
3224
3225
3226
3227
3228
3229
3230
3231
3232
3233
3234
3235
3236
3237
3238
3239
3240
3241
3242
3243
3244
3245
3246
3247
3248
3249
3250
3251
3252
3253
3254
3255
3256
3257
3258
3259
3260
3261
3262
3263
3264
3265
3266
3267
3268
3269
3270
3271
3272
3273
3274
3275
3276
3277
3278
3279
3280
3281
3282
3283
3284
3285
3286
3287
3288
3289
3290
3291
3292
3293
3294
3295
3296
3297
3298
3299
3300
3301
3302
3303
3304
3305
3306
3307
3308
3309
3310
3311
3312
3313
3314
3315
3316
3317
3318
3319
3320
3321
3322
3323
3324
3325
3326
3327
3328
3329
3330
3331
3332
3333
3334
3335
3336
3337
3338
3339
3340
3341
3342
3343
3344
3345
3346
3347
3348
3349
3350
3351
3352
3353
3354
3355
3356
3357
3358
3359
3360
3361
3362
3363
3364
3365
3366
3367
3368
3369
3370
3371
3372
3373
3374
3375
3376
3377
3378
3379
3380
3381
3382
3383
3384
3385
3386
3387
3388
3389
3390
3391
3392
3393
3394
3395
3396
3397
3398
3399
3400
3401
3402
3403
3404
3405
3406
3407
3408
3409
3410
3411
3412
3413
3414
3415
3416
3417
3418
3419
3420
3421
3422
3423
3424
3425
3426
3427
3428
3429
3430
3431
3432
3433
3434
3435
3436
3437
3438
3439
3440
3441
3442
3443
3444
3445
3446
3447
3448
3449
3450
3451
3452
3453
3454
3455
3456
3457
3458
3459
3460
3461
3462
3463
3464
3465
3466
3467
3468
3469
3470
3471
3472
3473
3474
3475
3476
3477
3478
3479
3480
3481
3482
3483
3484
3485
3486
3487
3488
3489
3490
3491
3492
3493
2006-01-31  Nicolas Pitre  <nico@cam.org>

	* arm.md (smaxsi3): Make aware of smax_m1.
	(smax_m1): New.

2006-01-31  Nathan Sidwell  <nathan@codesourcery.com>

	* gcc/config/m68k/lb1sf68.asm: Use moveq to load small constants.

2006-01-31  Richard Guenther  <rguenther@suse.de>

	* doc/invoke.texi (-msselibm): Document.
	* target.h (expand_library_builtin): New target hook.
	* builtins.c (expand_builtin): Use expand_library_builtin.
	(default_expand_library_builtin): New function.
	* gcc.c (LINK_GCC_MATH_SPEC): Define.
	(LINK_COMMAND_SPEC): Handle %(link_gcc_math).
	(link_gcc_math_spec): Declare.
	(static_specs): Add link_gcc_math_spec.
	* expr.h (default_expand_library_builtin): Declare.
	* target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
	(TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
	* config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
	* config/i386/i386.opt (msselibm): New target option.
	* config/i386/i386.c (ix86_builtin_function_variants): New array.
	(ix86_init_sse_abi_builtins): New function.
	(ix86_expand_library_builtin): Likewise.
	(TARGET_EXPAND_LIBRARY_BUILTIN): Define.
	(override_options): Handle error conditions wrt -msselibm.
	(ix86_builtins): Add function codes for SSE2 ABI builtins.
	(ix86_init_builtins): Call ix86_init_sse_abi_builtins.
	* doc/extend.texi (__builtin_sse2_*): Document new target specific
	builtins.

2006-01-31  Richard Guenther  <rguenther@suse.de>
	Paolo Bonzini  <bonzini@gnu.org>

	* doc/install.texi (--disable-libgcc-math): Document.

2006-01-30  Marcin Dalecki  <martin@dalecki.de>

	* expr.h (expand_normal): new inline function.
	* builtins.c: use it, use EXPAND_NORMAL explicitely.
	* dojump.c: use it.
	* dwarf2out.c: use it.
	* expr.c: use it.
	* calls.c: use it.
	* expmed.c: use it.
	* except.c: use it.
	* config/sparc/sparc.c: use it.
	* config/i386/i386.c: use it.
	* config/rs6000/rs6000.c: use it.
	* config/arm/arm.c: use it.
	* config/mips/mips.c: use it.
	* stmt.c: use it, use EXPAND_NORMAL explicitely.

2006-01-30  Roger Sayle  <roger@eyesopen.com>

	* config/i386/cygwin.h (GCC_DRIVER_HOST_INITIALIZATION): Cast
	argv to the appropriate type.

2006-01-30  Zdenek Dvorak <dvorakz@suse.cz>

	* tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Remove
	unreachable code.

2006-01-30  Ulrich Weigand  <uweigand@de.ibm.com>

	PR target/26018
	* config/s390/s390.c (struct machine_function): New flag
	decomposed_literal_pool_addresses_ok_p.
	(s390_reorg): Set it before final stage of literal pool transforms.
	(s390_decompose_address): Only accept displacements of the form
	(minus (label_ref ...) (label_ref ...)) if that flag is set.

2006-01-30  Carlos O'Donell  <carlos@codesourcery.com>

	* optabs.c (prepare_cmp_insn): If unbaised and unsigned then bias
	the comparison routine return.

2006-01-30  Michael Matz  <matz@suse.de>

	* global.c (find_reg): Only evict for global regs.
	Take n_refs into account and dump more info.

2006-01-30  J"orn Rennecke <joern.rennecke@st.com>

	PR target/14798:
	* sh.c (pragma_interrupt, trap_exit, sp_switch): Remove variable.
	(pragma_trap, pragma_nosave_low_regs): Likewise.
	(current_function_anonymous_args): Likewise.
	(sh_deferred_function_attributes): New variable.
	(sh_deferred_function_attributes_tail): Likewise.
	(print_operand): For '@', look up trap_exit attribute.
	(calc_live_regs): Look up trapa_handler attribute.  For trapa
	handlers, save/restore fpscr, but don't do any other
	interrupt-specific saves.
	Don't save r0..r7 if the nosave_low_regs attribute is in effect.
	Fix check for partially saved registers to check for SHmedia.
	(sh_expand_prologue, sh_expand_epilogue): Look up sp_switch attribute.
	(sh_output_function_epilogue): Don't clear any of the removed
	variables.
	(sh_insert_attributes): Don't check pragma_interrupt.
	Insert deferred attributes.  Check that interrupt attribute is
	present for other attributes that require its presence.
	(sh_attribute_table): Add new attributes trapa_handler and
	nosave_low_regs.
	(sh_handle_sp_switch_attribute, sh_handle_trap_exit_attribute):
	Don't check for pragma_interrupt.  Don't store argument.
	* sh.h (pragma_interrupt, sp_switch): Don't declare.
	(sh_deferred_function_attributes): Declare.
	(sh_deferred_function_attributes_tail): Likewise.
	* sh.md (sp_switch_1): Add operand.  Change generator caller.
	(sh_pr_interrupt, sh_pr_trapa, sh_pr_nosave_low_regs): Remove.
	(*return_i): Don't use when trap_exit attribute is in effect.
	(*return_trapa): New insn pattern.
	* sh-c.c: New file.
	* config.gcc (sh[123456ble]*-* | sh-*-*): New trailer stanza,
	setting c_target_objs and cxx_target_objs.
	* t-sh: Add rule for sh-c.o.

2006-01-30  Richard Guenther  <rguenther@suse.de>

	PR c++/23372
	* gimplify.c (gimplify_target_expr): Handle easy cases
	without creating a temporary.

2006-01-30  Nathan Sidwell  <nathan@codesourcery.com>

	* vec.h (safe_grow): Remove duplicated line.

2006-01-29  Diego Novillo  <dnovillo@redhat.com>

	PR 25874
	* omp-low.c (execute_expand_omp): Move CFG cleanup code ...
	(expand_omp): ... here.
	(expand_omp_parallel): Only remove barriers for combined
	parallel+workshare constructs.

2006-01-29  Eric Botcazou  <ebotcazou@adacore.com>

	Revert

	2005-11-09  Eric Botcazou  <ebotcazou@adacore.com>
	* tree.c (build_qualified_type): Chain the new type to the original
	type's TYPE_NEXT_PTR_TO or TYPE_NEXT_REF_TO linked lists if it is
	a POINTER_TYPE or a REFERENCE_TYPE respectively.
	(build_pointer_type_for_mode): Only return unqualified types.
	(build_reference_type_for_mode): Likewise.

2006-01-29  Gabriel Dos Reis  <gdr@integgrable-solutions.net>

	* configure.ac (cxx_compat_warn): Set if -Wc++-compat is supported.
	* Makefile.in (CXX_COMPAT_WARN): Define.
	* configure: Regenerate.

2006-01-29  Dorit Nuzman  <dorit@il.ibm.com>

	PR tree-opt/25911
	* tree-vect-patterns.c (vect_recog_dot_prod_pattern): Change assert
	to an if check.

2006-01-29  Gabriel Dos Reis  <gdr@integrable-solutions.net>

	* toplev.c: Fix thinko.

2006-01-29  Gabriel Dos Reis  <gdr@integrable-solutions.net>
	    Marcin Dalecki  <martin@dalecki.de>

	* toplev.c (floor_log2, exact_log2): Don't define if __cplusplus.
	(push_srcloc): Use XNEW.
	(init_asm_output, default_get_pch_validity): Use XNEWVEC.

2006-01-29  Kenneth Zadeck <zadeck@naturalbridge.com>

	* df-core.c (df_set_blocks): Deleted all variable.

2006-01-28  Ian Lance Taylor  <ian@airs.com>

	* cgraphunit.c (cgraph_assemble_pending_functions): Call
	cgraph_output_pending_asms.

2006-01-28  Zack Weinberg  <zackw@panix.com>

	* c.opt: Add -W(no-)overlength-strings.
	* doc/invoke.texi: Document it.
	* c-opts.c (c_common_handle_option): -pedantic implies
	-Woverlength-strings, if not explicitly disabled already.
	(c_common_post_options): -Woverlength-strings defaults to off, and
	is always off for C++.
	* c-common.c (fix_string_type): Issue warning about strings longer
	than is portable only if warn_overlength_strings.  Rearrange code
	a little for clarity.
	* configure.in: Check for -Wno-overlength-strings as well before
	enabling -pedantic in stage 1.
	* Makefile.in (STRICT2_WARN): Add -Wno-overlength-strings.
	(gcc.o-warn, insn-automata.o-warn, build/gencondmd.o-warn): Delete.

	* genconditions.c (write_header, write_one_condition)
	(write_conditions, write_writer): Consolidate very long strings
	that were broken up to fit in C89 portable limit.  Don't use
	printf when fputs will do.

2006-01-28  Adam Nemet  <anemet@caviumnetworks.com>

	* combine.c (simplify_comparison <AND>): Check
	TRULY_NOOP_TRUNCATION before start using a subreg.

	* config/mips/mips.md (*branch_zero<mode>,
	*branch_zero<mode>_inverted, *branch_equality<mode>,
	*branch_equality<mode>_inverted, *branch_equality<mode>_mips16):
	Remove mode check from comparisons.

2006-01-28  Kenneth Zadeck <zadeck@naturalbridge.com>

	* config/mips/mips-protos.h (mips_set_live_on_entry): Deleted.

2006-01-28  Kazu Hirata  <kazu@codesourcery.com>

	* expmed.c (const_mult_add_overflow_p): Remove.
	* expr.h: Remove the prototype for const_mult_add_overflow_p.

	* recog.c (validate_replace_rtx_subexp): Remove.
	* recog.h: Remove the prototype for
	validate_replace_rtx_subexp.

	* integrate.h: Remove the prototype for
	copy_decl_for_inlining.
	* rtl.h: Remove the prototype for mark_constant_function.
	* tree-vectorizer.h: Remove the prototype for
	vect_strip_conversion.

	* modulo-sched.c (create_partial_schedule,
	free_partial_schedule, reset_partial_schedule): Make them
	static.

	* hooks.c (hook_bool_rtx_int_false): Remove.
	* hooks.h: Remove the prototype for hook_bool_rtx_int_false.

2006-01-28  David Edelsohn  <edelsohn@gnu.org>

	* config/rs6000/aix43.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
	and -mlong-double-128 are incompatible.
	* config/rs6000/aix52.h (SUBTARGET_OVERRIDE_OPTIONS): Same.
	* config/rs6000/t-aix43 (LIB2FUNCS_EXTRA): Add ppc64-fp.c.
	(TARGET_LIBGCC2_CFLAGS): Define.
	* config/rs6000/t-aix52 (LIB2FUNCS_EXTRA): Same.
	(TARGET_LIBGCC2_CFLAGS): Same.
	* config/rs6000/ppc64-fp.c: Compile for 64-bit AIX.

2006-01-28  Kazu Hirata  <kazu@codesourcery.com>

	PR c/19606.
	* c-typeck.c (build_binary_op): Perform implicit casts of
	operands before shortening them.

	* cfgloopmanip.c (split_loop_bb): Remove.
	* cfgloop.h: Remove the prototype for split_loop_bb.

	* cfgloop.c (flow_loop_outside_edge_p): Remove.
	* cfgloop.h: Remove the prototype for
	flow_loop_outside_edge_p.

	* emit-rtl.c (init_virtual_regs): Make it static.
	* function.h: Remove the prototype for init_virtual_regs.

	* recog.c (peephole2_optimize): Make it static.
	* recog.h: Remove the prototype for peephole2_optimize.

2006-01-27  H.J. Lu  <hongjiu.lu@intel.com>

	* df-scan.c (df_record_entry_block_defs): Check if
	INCOMING_RETURN_ADDR_RTX is defined.

2006-01-27  Daniel Berlin  <dberlin@dberlin.org>
	    Kenneth Zadeck <zadeck@naturalbridge.com>

	PR rtl-optimization/24762
	* doc/tm.texi: Added TARGET_EXTRA_LIVE_ON_ENTRY.
	* targhooks.c (hook_void_bitmap): New hook prototype.
	* targhoohs.h (hook_void_bitmap): Ditto.
	* bitmap.h (bitmap_head_def): Moved to coretypes.h.
	* coretypes.h (bitmap_head_def): Moved from bitmap.h.
	* target.h (live_on_entry): New function pointer.
	* df-scan.c (df_all_hard_regs): Removed.
	(df_scan_dump, df_hard_reg_init): Removed df_all_hard_regs.
	(df_scan_free_internal): Added df->entry_block_defs.
	(df_scan_alloc): Ditto.
	(df_scan_dump): Ditto.
	(df_uses_record): Plumbed flag field properly thru calls.
	Record EH_RETURN_DATA_REGNO in eh blocks unconditionally.
	This part fixes PR24762.
	(df_bb_refs_record): Added code to make the frame and arg
	pointers live in EH blocks.
	(df_refs_record): Added call to df_record_entry_block_defs.
	(df_record_entry_block_defs): New function.
	* df-core.c: Added comments to describe new artifical defs.
	* df.h (DF_REF_DIES_AFTER_THIS_USE): New flag in enum df_ref_flags.
	(entry_block_defs): New field in struct df.
	(df_all_hard_regs): Deleted.
	* target-def.h: Added TARGET_EXTRA_LIVE_ON_ENTRY.
	* df-problems.c (df_ru_bb_local_compute_process_def):
	Added code to handle artifical defs in the entry to a function.
	(df_ru_bb_local_compute): Ditto.
	(df_rd_bb_local_compute_process_def):  Ditto.
	(df_rd_bb_local_compute): Ditto.
	(df_lr_bb_local_compute): Ditto.
	(df_ur_bb_local_compute): Ditto.
	(df_urec_bb_local_compute):  Ditto.
	(df_chain_create_bb):  Ditto.
	(df_ur_local_finalize):	Removed entry.
	(df_urec_init): Ditto.
	(df_urec_local_finalize): Ditto.
	(df_ri_bb_compute): Added detection of last use of pseudos.
	* Makefile.in (df-scan.o): Updated dependencies.
	* config/mips/mips-protos.h (mips_set_live_on_entry): Added.
	* config/mips/mips.c (mips_set_live_on_entry): Added.
	* config/mips/mips.c (TARGET_EXTRA_LIVE_ON_ENTRY): Added value
	for target hook.
	* dce.c (marked_insn_p): Added code to handle artifical defs.

2006-01-27  H.J. Lu  <hongjiu.lu@intel.com>

	* config/i386/emmintrin.h (_mm_cvtsd_f64): Add missing Intel
	intrinsic.
	(_mm_cvtsi128_si64): Likewise.
	(_mm_cvtsd_si64): Likewise.
	(_mm_cvttsd_si64): Likewise.
	(_mm_cvtsi64_sd): Likewise.
	(_mm_cvtsi64_si128): Likewise.
	* config/i386/mmintrin.h (_m_from_int64): Likewise.
	(_mm_cvtsi64_m64): Likewise.
	(_m_to_int64): Likewise.
	(_mm_cvtm64_si64): Likewise.
	* config/i386/xmmintrin.h (_mm_cvtss_si64): Likewise.
	(_mm_cvttss_si64): Likewise.
	(_mm_cvtsi64_ss): Likewise.
	(_mm_cvtss_f32): Likewise.

2006-01-27  Carlos O'Donell  <carlos@codesourcery.com>

	* c-pragma.c (init_pragma) : Call c_register_pragma_with_expansion
	for pragma redefine_extname.

2006-01-27  Jakub Jelinek  <jakub@redhat.com>

	PR target/25864
	* libgcc-std.ver: Add GCC_4.1.0 symbol version.
	* config/rs6000/t-linux64 (TARGET_LIBGCC2_CFLAGS): Only append
	-mno-minimal-toc to previous content.
	(bispecs): Remove goal.
	* config/rs6000/ppc64-fp.c: Define TMODES before including fp-bit.h.
	* config/rs6000/darwin-ldouble.c: Don't provide _xlq*@GCC_3.4
	compatibility aliases on powerpc-*-*gnu*.
	* config/rs6000/libgcc-ppc-glibc.ver: New file.
	* config/rs6000/t-ppccomm (SHLIB_MAPFILES): Append
	libgcc-ppc-glibc.ver on powerpc*-*-*gnu*.
	(TARGET_LIBGCC2_CFLAGS): Append -specs=ldblspecs.
	(ldblspecs): New goal.
	* config/rs6000/t-linux64 (SHLIB_MAPFILES): Removed.
	* mklibgcc.in: If $TPBIT is empty, don't compile _sf_to_tf and
	_df_to_tf.
	* config/fp-bit.h (TMODES): Don't define if none of TFLOAT,
	L_sf_to_tf or L_df_to_tf is defined.

2006-01-27  David Edelsohn  <edelsohn@gnu.org>
	    Alan Modra  <amodra@bigpond.net.au>

	PR target/25864
	* config/rs6000/linux.h (POWERPC_LINUX): Define.
	* config/rs6000/linux64.h (POWERPC_LINUX): Define.
	* config/rs6000/darwin-ldouble.c: Build on 32-bit PowerPC.
	* config/rs6000/darwin.h (TARGET_IEEEQUAD): Define to zero.
	* config/rs6000/aix.h (TARGET_IEEEQUAD): Define to zero.
	* config/rs6000/rs6000.c (rs6000_ieeequad): New variable.
	(rs6000_override_options): Initialize rs6000_ieeequad.
	Initialize TFmode format to ibm_extended_format if not
	TARGET_IEEEQUAD.
	(rs6000_handle_option): Accept -mabi= ibmlongdouble and
	ieeelongdouble.
	(rs6000_emit_move): Move !TARGET_IEEEQUAD as two parts.
	(rs6000_return_in_memory): Only return IEEEQUAD in memory.
	(function_arg_advance): IBM long double passed in two FPRs, not
	split.
	(function_arg): IBM long double passed in FPRs.
	(rs6000_pass_by_reference): Only IEEEQUAD passed by reference.
	(rs6000_gimplify_va_arg): IBM long double passed in two FPRs.
	Only multireg GPR aligned.
	(rs6000_init_libfuncs): Enable IBM long double functions if not
	IEEEQUAD.
	(rs6000_generate_compare): Use IBM long double compare if not
	TARGET_IEEEQUAD.
	* config/rs6000/rs6000.h (rs6000_ieeequad): Declare.
	(TARGET_IEEEQUAD): Define.
	(CANNOT_CHANGE_MODE_CLASS): Any mode larger than doubleword if
	not TARGET_IEEEQUAD.
	* config/rs6000/rs6000.md: Enable TFmode patterns if
	!TARGET_IEEEQUAD.
	* config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Add darwin-ldouble.c.
	* config/rs6000/svr4.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
	and -mlong-double-128 are incompatible.
	* doc/invoke.texi (-mabi): Collect options together.  Add
	ibmlongdouble and ieeelongdouble.

2006-01-27  Richard Sandiford  <richard@codesourcery.com>

	* doc/rtl.texi (SYMBOL_REF_DATA): Adjust documentation for new
	opaque type.
	* optabs.c (init_one_libfunc): Use SET_SYMBOL_REF_DECL.
	* varasm.c (make_decl_rtl, build_constant_desc): Likewise.
	(force_const_mem): Use SET_SYMBOL_REF_CONSTANT.
	* rtl.h (rtunion_def): Remove rt_ptr.
	(X0PTR): Delete.
	(SYMBOL_REF_DATA): Use X0ANY instead of X0PTR.
	(SET_SYMBOL_REF_DECL, SET_SYMBOL_REF_CONSTANT): New macros.
	* config/i386/winnt.c (i386_pe_mark_dllexport)
	(i386_pe_mark_dllimport): Use SET_SYMBOL_REF_DECL.

2006-01-27 Gabor Loki <loki@gcc.gnu.org>

	* cfgcleanup.c (try_crossjump_to_edge): Fix comment typo.

2006-01-26 Alexandre Oliva  <aoliva@redhat.com>

	PR other/24829
	PR target/24831
	* gthr-dce.h: Do not gthrw-ify pthread_once_init,
	pthread_key_delete.  From John David Anglin.  gthrw-ify
	pthread_getunique_np only if it it's not a macro.  Delete
	UNUSED macro.
	(__gthread_objc_condition_allocate, __gthread_objc_condition_deallocate,
	__gthread_objc_condition_wait, __gthread_objc_condition_broadcast,
	__gthread_objc_condition_signal, __gthread_key_delete): Add
	"__attribute__ ((__unused__))" to unused arguments.
	(__gthread_recursive_mutex_init_function): Add missing return.
	* gthr-dce.h, gthr-tpf.h, gthr-solaris.h, gthr-posix.h,
	gthr-posix95.h: Use macro-based approach for name redirection
	on targets missing weakref.

2006-01-26  Zack Weinberg  <zackw@panix.com>

	* genconditions.c (write_header): In generated code, #ifdef out
	all includes and fake declarations, except includes of bconfig.h
	and system.h, unless GCC_VERSION >= 3001.  Do not include
	gensupport.h in any case.
	(write_conditions): Generate a definition of struct c_test.  Add
	a comment to the generated #endif.
	(write_one_condition): Escape backslashes in string too.
	(write_writer): Generated code must escape backslashes and quote
	marks (but not newlines) in the strings it writes.
	* Makefile.in (build/gencondmd.o): Update dependencies.

2006-01-26  Steve Ellcey  <sje@cup.hp.com>

	PR target/25961
	* Makefile.in (insn-automata.o): Add header file dependencies.
	* genautomata.c: Add includes.

2006-01-26  Steve Ellcey  <sje@cup.hp.com>

	PR target/25961
	* Makefile.in (insn-automata.o): Add -Wno-error flag.

2006-01-26  Paolo Bonzini  <bonzini@gnu.org>

	* configure.ac: Expect target tools paths to be passed from the toplevel
	and wrap the detection into AS_SET_VAR_IF.  Extract side-effects out of
	AS_SET_VAR_IF.
	* acinclude.m4 (gcc_AC_TOOL_DIRS, gcc_AC_CHECK_TOOL): Remove.

2006-01-26  Alexandre Oliva  <aoliva@redhat.com>

	PR c/25892
	* c.opt (Wpointer-sign): Init to -1.
	* c-opts.c (c_common_handle_option): Set to 1 on OPT_Wall and
	OPT_pedantic, to 0 otherwise.
	* doc/invoke.texi: Update.

2006-01-26  Paolo Bonzini  <bonzini@gnu.org>

	* config/i386/i386.md (extendsfdf2, extendsfxf2, extenddfxf2): Emit
	constants provided by 80387 instructions in the destination mode.

2006-01-26  Richard Guenther  <rguenther@suse.de>
	    Andrew Pinski  <pinskia@physics.uc.edu>

	PR tree-opt/21470
	partial PR tree-opt/17064
	* tree-ssa-structalias.c (intra_create_variable_infos):
	Create heap variables for incoming parameters if
	flag_argument_noalias > 1.
	(find_what_p_points_to): Look through default defs of
	parameter decls.

2006-01-26  Jeff Law  <law@redhat.com>

	PR ada/25900
	* tree-vrp.c (extract_range_from_assert): When merging a VR_RANGE
	with a VR_ANTI_RANGE and the VR_ANTI_RANGEis completely contained
	within the VR_RANGE, use the VR_RANGE as the result, not the
	VR_ANTI_RANGE.
	(adjust_range_with_scev): Reject ranges from SCEV which are out
	of bounds for the type.

2006-01-26  Daniel Berlin  <dberlin@dberlin.org>

	* tree-ssa-alias.c (maybe_create_global_var): Change
	subvar walking to an assertion that we don't have subvar'd variables.

2006-01-26  Andrew Pinski  <pinskia@physics.uc.edu>

	PR C/25861
	* c-common.c (c_common_truthvalue_conversion) <case ADDR_EXPR>:
	Use a new variable, inner.  PARM_DECLs are always non-weak.

2006-01-26  Shantonu Sen  <ssen@opendarwin.org>

	* tree.h (OMP_CLAUSE_SUBCODE_CHECK): Add definition for
	--disable-checking.

2006-01-26  Adam Nemet  <anemet@caviumnetworks.com>

	* config/mips/mips.md (*clear_upper32): New combiner pattern.

2006-01-26  Richard Earnshaw  <richard.earnshaw@arm.com>

	* arm.md (smaxsi3, sminsi3): Convert to define_expand.
	(smax_insn, smin_insn, smax_0, smin_0): New.

2006-01-26  Hans-Peter Nilsson  <hp@axis.com>

	PR target/25947
	* config/cris/cris.c (cris_order_for_addsi3): New function.
	* config/cris/cris-protos.h: Prototype it.
	* config/cris/cris.md (split for "move.S1 [rx=rx+i],ry")
	(split for "move.S1 ry,[rx=rx+i]", split for "clear.[bwd] [rx=rx+i]")
	(split for "mov(s|u).S1 [rx=rx+i],ry", split for "op.S1 [rx=rx+i],ry")
	(split for "op.S1 [rx=rx+i],ry (swapped)")
	(split for "op(s|u).S1 [rx=rx+i],ry")
	(split for "op(s|u).S1 [rx=rx+i],ry (swapped, plus or bound)"):
	Apply cris_order_for_addsi3 when generating addsi3 insns.

2006-01-25  Diego Novillo  <dnovillo@redhat.com>

	* tree.h (TREE_RANGE_CHECK): Fix range predicate.
	(TREE_BLOCK): Add call to EXPR_CHECK.

2006-01-25  Diego Novillo  <dnovillo@redhat.com>

	PR 25886
	* tree-dump.c (dequeue_and_dump): Handle OMP_CLAUSE.
	* tree-pretty-print.c (dump_omp_clause): Extract from ...
	(dump_omp_clauses): ... here.
	(dump_generic_node): Handle OMP_CLAUSE.
	* tree.c (omp_clause_num_ops): New.
	(omp_clause_code_name): New.
	(tree_code_size): Handle OMP_CLAUSE.
	(tree_size): Likewise.
	(make_node): Document handling of OMP_CLAUSE.
	(tree_node_structure): Handle OMP_CLAUSE.
	(omp_clause_check_failed): New.
	(omp_clause_range_check_failed): New.
	(omp_clause_operand_check_failed): New.
	(build_omp_clause): New.
	(walk_tree): Adjust handling of OMP_CLAUSE_* nodes.
	* tree.h (enum omp_clause_code): Declare.
	(OMP_CLAUSE_SUBCODE_CHECK): Define.
	(OMP_CLAUSE_RANGE_CHECK): Define.
	(OMP_CLAUSE_ELT_CHECK): Define.
	(omp_clause_check_failed): Declare.
	(omp_clause_operand_check_failed): Declare.
	(omp_clause_range_check_failed): Declare.
	(OMP_CLAUSE_CHAIN): Do not use TREE_RANGE_CHECK.
	(OMP_CLAUSE_OPERAND): Use OMP_CLAUSE_RANGE_CHECK.
	(OMP_CLAUSE_PRIVATE_DEBUG): Use OMP_CLAUSE_SUBCODE_CHECK.
	(OMP_CLAUSE_LASTPRIVATE): Likewise.
	(OMP_CLAUSE_IF_EXPR): Likewise.
	(OMP_CLAUSE_NUM_THREADS_EXPR): Likewise.
	(OMP_CLAUSE_SCHEDULE_CHUNK_EXPR): Likewise.
	(OMP_CLAUSE_REDUCTION_CODE): Likewise.
	(OMP_CLAUSE_REDUCTION_INIT): Likewise.
	(OMP_CLAUSE_REDUCTION_MERGE): Likewise.
	(OMP_CLAUSE_REDUCTION_PLACEHOLDER): Likewise.
	Use tree_node.omp_clause.subcode instead of TREE_COMPLEXITY.
	(OMP_CLAUSE_SCHEDULE_KIND): Likewise.
	(OMP_CLAUSE_DEFAULT_KIND): Likewise.
	(OMP_CLAUSE_CODE): Define.
	(OMP_CLAUSE_SET_CODE): Define.
	(OMP_CLAUSE_CODE): Define.
	(OMP_CLAUSE_OPERAND): Define.
	(struct tree_omp_clause): Declare.
	(union tree_node): Add field 'omp_clause'.
	* treestruct.def (TS_OMP_CLAUSE): Define.
	* tree.def (OMP_CLAUSE_PRIVATE, OMP_CLAUSE_SHARED
	OMP_CLAUSE_FIRSTPRIVATE, OMP_CLAUSE_LASTPRIVATE,
	OMP_CLAUSE_REDUCTION, OMP_CLAUSE_COPYIN,
	OMP_CLAUSE_COPYPRIVATE, OMP_CLAUSE_IF,
	OMP_CLAUSE_NUM_THREADS, OMP_CLAUSE_SCHEDULE,
	OMP_CLAUSE_NOWAIT, OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Remove.
	(OMP_CLAUSE): Define.
	* print-tree.c (print_node): Handle OMP_CLAUSE.
	* omp-low.c: Adapt all uses of OMP_CLAUSE_* nodes.
	* c-typeck.c: Likewise.
	* gimplify.c: Likewise.
	* c-omp.c: Likewise.
	* tree-nested.c: Likewise.
	* tree-inline.c: Likewise.
	* c-parser.c: Likewise.
	* gimple-low.c (lower_omp_directive): Do not set TREE_BLOCK on
	clauses.

2006-01-25  Roger Sayle  <roger@eyesopen.com>

	PR rtl-optimization/25703
	* combine.c (try_combine): Handle zero_extract and strict_low_part
	of non-lowpart SUBREGs for constant reg_subword_p set optimization.

2006-01-25  Peter Bergner  <bergner@vnet.ibm.com>

	* global.c: Fix comment typos.

2006-01-25  Andrew Pinski  <pinskia@physics.uc.edu>

	PR target/25758
	* config/i386/i386.c (output_pic_addr_const) <case SYMBOL_REF>:
	Use output_addr_const instead of assemble_name.

2006-01-25  Paolo Bonzini  <bonzini@gnu.org>

	* Makefile.in (sched-vis.o): Update dependencies.
	* haifa-sched.c (sched_finish): Clear current_sched_info.
	* cfg.c (dump_bb_info): New, split from dump_flow_info.
	(dump_flow_info): Call it.
	* passes.c (execute_todo): Call print_rtl_slim_with_bb to make
	a slim RTL dump.
	* basic-block.h (dump_bb_info): Declare.
	* tree-dump.c (dump_enable_all): OR the flags of a -fdump-tree-all
	option, and apply options only for dump files whose TDF_RTL,
	TDF_TREE, or TDF_IPA bits match.
	* rtl.h: Declare new functions exported from sched-vis.c.
	* sched-vis.c: Enable also if scheduling is not used.
	(print_value): Print the mode of registers if not inside scheduling.
	(print_insn): Make it work outside the scheduler.  Beautify the output
	a bit.
	(dump_insn_slim, debug_insn_slim, print_rtl_slim_with_bb): New.

2006-01-25  Richard Sandiford  <richard@codesourcery.com>

	* doc/rtl.texi (SYMBOL_REF_CONSTANT, SYMBOL_REF_DATA): Document.
	* gengtype.c (adjust_field_rtx_def): Garbage-collect field 2 of
	a SYMBOL_REF as either a tree or a constant_descriptor_rtx,
	depending on the value of CONSTANT_POOL_ADDRESS_P.
	* optabs.c (init_one_libfunc): Nullify SYMBOL_REF_DATA rather than
	SYMBOL_REF_DECL.
	* varasm.c (make_decl_rtl, build_constant_desc): Set SYMBOL_REF_DATA
	rather than SYMBOL_REF_DECL.
	(rtx_constant_pool): Remove const_rtx_sym_htab.
	(const_desc_rtx_sym_hash, const_desc_rtx_sym_eq): Delete.
	(init_varasm_status): Don't initialize const_rtx_sym_htab.
	(force_const_mem): Point SYMBOL_REF_DATA to the constant pool entry.
	Remove handling of const_rtx_sym_htab.
	(find_pool_constant): Delete.
	(get_pool_constant, get_pool_constant_mark): Use SYMBOL_REF_CONSTANT
	rather than find_pool_constant.
	(get_pool_constant_for_function): Delete.
	(get_pool_mode, mark_constant): Use SYMBOL_REF_CONSTANT rather than
	find_pool_constant.
	* rtl.h (rtunion_def): Add rt_constant and rt_ptr fields.
	(X0CONSTANT, X0PTR, SYMBOL_REF_DATA): New macros.
	(SYMBOL_REF_DECL): Return NULL if CONSTANT_POOL_ADDRESS_P.
	(SYMBOL_REF_CONSTANT): New macro.
	(get_pool_constant_for_function): Delete.
	* config/i386/winnt.c (i386_pe_mark_dllexport): Set SYMBOL_REF_DATA
	rather than SYMBOL_REF_DECL.
	(i386_pe_mark_dllimport): Likewise.
	* config/rs6000/rs6000.c (rs6000_emit_move): Copy SYMBOL_REF_DATA
	rather than SYMBOL_REF_DECL.
	* config/darwin.c (machopic_indirect_data_reference): Likewise.
	(machopic_indirect_call_target): Likewise.

2006-01-25  Eric Botcazou  <ebotcazou@adacore.com>

	* flow.c (delete_noop_moves): Add missing EOL to dump message.

2006-01-25  Richard Sandiford  <richard@codesourcery.com>

	* genattrtab.c (gen_bypass): Allow bypasses to contain whitespace.

2006-01-25  Kaz Kojima  <kkojima@gcc.gnu.org>

	* config/sh/predicates.md (sh_register_operand): Accept CONST_DOUBLE.

2006-01-24  David Daney  <ddaney@avtrex.com>

	PR java/25816
	* configure.ac (enable_tls): New enable option.
	(HAVE_AS_TLS): Don't do assembler check if enable_tls set.
	* configure: Regenerate.
	* doc/install.texi (--enable-tls): Document new option.
	(--disable-tls): Ditto.

2006-01-24  Richard Henderson  <rth@redehat.com>

	* alias.h (ALIAS_SET_MEMORY_BARRIER): New.
	* alias.c (true_dependence): Respect it.
	(canon_true_dependence, write_dependence_p): Likewise.
	* builtins.c (get_builtin_sync_mem): Set it.

2006-01-25  Zdenek Dvorak <dvorakz@suse.cz>

	* loop-iv.c (iv_analysis_loop_init): Use df analysis in a more
	efficient way.

2006-01-24  DJ Delorie  <dj@redhat.com>

	* expmed.c (store_bit_field): Don't arbitrarily deny using insv
	for storing constants in single-bit bitfields.

2006-01-25  Ben Elliston  <bje@au.ibm.com>

	* dfp.c (dfp_byte_swap): Use uint32_t and not unsigned long.

2006-01-24  Andrew Pinski  <pinskia@physics.uc.edu>

	PR tree-opt/25860
	* tree-ssa-pre.c (phi_translate): Return NULL
	for AGGREGATE_TYPE's.

2006-01-24  Zack Weinberg  <zackw@panix.com>

	* genautomata.c (process_state_for_insn_equiv_partition):
	Use xcalloc for insn_arcs_array.
	* vec.h (DEF_VEC_ALLOC_FUNC_I): New set of templates.
	(DEF_VEC_ALLOC_I): Use it, not DEF_VEC_ALLOC_FUNC_P.

2006-01-24  Richard Henderson  <rth@redhat.com>

	* genextract.c (VEC_safe_set_locstr): Take VEC by reference;
	update all callers.

2006-01-23  Paolo Bonzini  <bonzini@gnu.org>

	PR rtl-optimization/25890
	PR rtl-optimization/25905
	* combine.c (expand_compound_operation, expand_field_assignment):
	Fail if the bitfield's final position is out of bounds.

2006-01-24  Ian Lance Taylor  <ian@airs.com>

	PR middle-end/25930
	* cgraphunit.c (cgraph_output_in_order): Don't clear
	cgraph_asm_nodes until after asm strings have been output.

2006-01-23  Adam Nemet  <anemet@caviumnetworks.com>

	* fix-header.c (read_scan_file): Add new parameter imultilib when
	calling register_include_chains.

2006-01-23  Diego Novillo  <dnovillo@redhat.com>

	* omp-low.c: Update documentation.

2006-01-23  Andrew Pinski  <pinskia@physics.uc.edu>
	    Daniel Berlin  <dberlin@dberlin.org>

	PR tree-opt/25315
	PR tree-opt/25857
	* tree-ssa-pre.c (insert_extra_phis): If an incomming edge is abnormal
	return from the function.

2006-01-22  Zack Weinberg  <zackw@panix.com>

	* rtl.def (match_code): Add second argument.
	* genpreds.c (write_extract_subexp): New function.
	(write_match_code): Add path argument.  Use write_extract_subexp.
	(write_predicate_expr): Pass path to write_match_code.
	(mark_mode_tests): MATCH_CODE applied to a subexpression does
	not perform a mode test.
	* genrecog.c (compute_predicate_codes): MATCH_CODE applied to
	a subexpression does not constrain the top-level code set.
	* read-rtl.c (read_rtx_variadic): New function.
	(read_rtx_1): Use it; allow AND and IOR to be variadic.
	* doc/md.texi: Document new notation.
	* config/i386/predicates.md (cmpsi_operand_1): Fold into ...
	(cmpsi_operand): ... here, using new notation.

2006-01-22  Zack Weinberg  <zackw@panix.com>

	* varray.c: Remove GENERATOR_FILE #ifdefs.

2006-01-22  Zack Weinberg  <zackw@panix.com>

	* genautomata.c (output_reserved_units_table): Emit nothing if
	description->query_units_num is zero.  Remove extra blank line.
	(output_cpu_unit_reservation_p): Short circuit
	if description->query_units_num is zero.

2006-01-22  Zack Weinberg  <zackw@panix.com>

	* genattrtab.c: Don't include genattrtab.h.  Define ATTR_NONE
	and ATTR_SPECIAL (from genattrtab.h).  Don't define num_dfa_decls
	nor any of the random handful of variables that used to be necessary
	when this program was linked with rtlanal.o.  Prune set of forward
	function declarations.
	(struct attr_desc): Remove static_p field.
	(hash_obstack, temp_obstack, attr_hash_table, attr_printf)
	(check_attr_test, make_internal_attr, make_numeric_value): Make static.
	(attr_string): Do not read the character one past the length of
	the string.
	(write_attr_get, find_attr, make_internal_attr): Don't touch static_p.
	(struct insn_reserv, all_insn_reservs, last_insn_reserv_p)
	(n_insn_reservs, gen_insn_reserv, struct bypass_list, all_bypasses)
	(n_bypasses, gen_bypass_1, gen_bypass, process_bypasses)
	(make_automaton_attrs): New.
	(main): Do not call into genautomata.  Call local gen_bypass
	and gen_insn_reserv as appropriate.  Call make_automaton_attrs.
	Remove special case for insn_alts.
	* genautomata.c: Include gensupport.h; not genattrtab.h nor
	varray.h (leftover from previous change).  Prune set of forward
	function declarations.  Remove state_alts fields from all
	structures.  Remove state_alts_table from struct automaton.
	Make everything except main static.  Do not maintain num_dfa_decls.
	Do not maintain state_alts fields of various structures.
	(process_decls): Don't validate condexp for dm_insn_reserv decls.
	(add_arc): Remove state_alts argument.  All callers updated.
	(output_reserved_units_table): Emit #ifdef here...
	(output_tables): ...not here.  Don't generate state_alts tables.
	(expand_automata): Don't generate attributes.
	(write_automata): Don't generate state_alts functions.
	(main): New function.
	(it_is_empty_reserv_sets, output_state_alts_full_vect_name)
	(output_state_alts_comb_vect_name, output_state_alts_check_vect_name)
	(AUTOMATON_STATE_ALTS_MACRO_NAME, INTERNAL_STATE_ALTS_FUNC_NAME)
	(STATE_ALTS_FUNC_NAME, INSN_DEFAULT_LATENCY_FUNC_NAME)
	(BYPASS_P_FUNC_NAME, output_state_alts_table)
	(output_automata_list_state_alts_code, output_internal_state_alts_func)
	(output_state_alts_func, make_insn_alts_attr, make_bypass_attr)
	(make_internal_dfa_insn_code_attr, make_default_insn_latency_attr):
	Delete.
	* genattr.c: Declare internal_dfa_insn_code in insn-attr.h.
	* genattrtab.h: Delete file.
	* Makefile.in (OBJS-common): Add insn-automata.o.
	(insn-automata.o): New rule.
	(simple_generated_c): Add insn-automata.c.
	(build/genattrtab.o, build/genautomata.o): Update dependencies.
	(genprogmd): Add automata.
	(build/genattrtab): Needs no extra objects nor libraries.
	(build/genautomata): Needs build/vec.o and -lm.

2006-01-22  Zack Weinberg  <zackw@panix.com>

	* genautomata.c (process_state_longest_path, max_dfa_issue_rate)
	(output_dfa_max_issue_rate, locked_states_num): Delete.
	(struct automaton): Add locked_states field.
	(output_dead_lock_vect): Save number of locked states in
	automaton->locked_states.  If it is zero, don't print anything.
	(output_max_insn_queue_index_def): Define max_insn_queue_index const.
	(output_internal_dead_lock_func): Only test the dead_lock_vect
	for automata that have locked states.
	(output_statistics): Always print the number of locked states for
	each automaton.  Calculate total number of locked states here.
	(write_automata): Don't call output_dfa_max_issue_rate.
	* genattrtab.c: Define length_unit_log as a const variable.
	* genattr.c: Don't emit MAX_DFA_ISSUE_RATE.  Declare
	max_insn_queue_index const.
	* final.c (length_unit_log): Declare const.
	* doc/tm.texi: Remove all references to MAX_DFA_ISSUE_RATE.

2006-01-22  Zack Weinberg  <zackw@panix.com>

	* genautomata.c:  Include vec.h, not varray.h.
	Delete vla_ptr_t, all of the VLA_PTR_ macros, and all of the
	VLA_HWINT_ macros.  Change vla_hwint_t to a typedef for
	VEC(vect_el_t,heap) *.  Convert all uses of VLA_* macros to
	VEC_* macros operating on appropriately typed vectors, or to
	malloced arrays when the size is known in advance.  Const-ify
	many char* variables and function arguments.  No functional changes.
	* Makefile.in (build/varray.o): Delete rule.
	(build/genattrtab): Depend on build/vec.o instead of build/varray.o.
	(build/genautomata.o): Depend on vec.h instead of $(VARRAY_H).

2006-01-22  Zack Weinberg  <zackw@panix.com>

	* gensupport.c: Define get_insn_name and record_insn_name here.
	(read_md_rtx): Call record_insn_name as appropriate.
	* genattr.c, genattrtab.c, gencodes.c, genconfig.c, genemit.c
	* genextract.c, genflags.c, genopinit.c, genoutput.c, genpeep.c
	* genpreds.c, genrecog.c: Don't define get_insn_name nor
	record_insn_name.
	* Makefile.in (BUILD_SUPPORT, BUILD_PRINT): Fold into BUILD_RTL.
	(BUILD_VARRAY): Delete.
	(genprognormal): Rename genprogmd.  Fold in all programs from
	genprognoprint; also attrtab.
	(build/genattrtab): Just mention genautomata.o and varray.o.
	Reorganize a bit, add comments to make the categories clearer.

2006-01-22  Zack Weinberg  <zackw@panix.com>

	* genconditions.c (condition_table, add_condition): Delete.
	(write_conditions): Don't emit n_insn_conditions nor
	insn_elision_unavailable.  Issue the gcc version #ifdef here,
	inside the table, with no #else clause ...
	(write_header): ...not here.
	(write_writer): New function.
	(main): Don't initialize condition_table.  Use add_c_test.
	Call write_writer.
	* gensupport.c (init_md_reader_args_cb): Handle multiple input
	files on the command line.
	(maybe_eval_c_test): Don't check insn_elision_unavailable.
	Return -1 if there is no entry in the table, don't abort.
	(add_c_test, traverse_c_tests): New functions.
	* gensupport.h (insn_elision_unavailable, insn_conditions)
	(n_insn_conditions): Delete declarations.
	(add_c_test, traverse_c_tests): Declare.
	* read-rtl.c: Include gensupport.h.
	(read_conditions): New function.
	(read_rtx): If read_rtx_1 returns 0, treat as EOF.
	(read_rtx_1): If we get EOF when we were looking for an initial
	open paren, return 0.  Call read_conditions when appropriate.
	* Makefile.in: Kill BUILD_EARLY_SUPPORT and all references to
	dummy-conditions.o.  Eliminate references to insn-conditions.o,
	or change them to build/gencondmd.o, as appropriate.  Remove
	insn-constants.h from $(simple_generated_h) and insn-conditions.c
	from $(simple_generated_c).  For all files remaining in those
	two lists, add insn-conditions.md to the generator command line.
	Give insn-constants.h/s-constants their own rules.  Add rules
	for build/gencondmd.c, s-conditions, insn-conditions.md, s-condmd.
	(build/read-rtl.o): Depend on gensupport.h.
	(genprognormal): Include preds.
	(genprogearly): Rename genprognoprint; only difference is now that
	they don't link with $(BUILD_PRINT).
	* dummy-conditions.c: Delete.

2006-01-22  Zack Weinberg  <zackw@panix.com>

	* genextract.c: Don't include insn-config.h.  Do include vec.h.
	Declare vectors of int, char, and locstr.
	(locstr): New typedef.
	(struct extraction): Make all array fields into bare pointers.
	(insn_name_ptr, insn_name_ptr_size): Move down by get_insn_name.
	(insn_code_number): Delete.
	(accum_extract): New struct.
	(VEC_safe_set_locstr, VEC_char_to_string): New functions.
	(gen_insn): Take insn_code_number as an argument.  Use an
	accum_extract structure instead of loading data directly into
	a struct extraction, and having to know how big it might get.
	(walk_rtx): Operate entirely on an accum_extract structure.
	(print_path): Avoid unnecessary use of printf.
	(print_header): New function, split out of main.  Distinguish
	more carefully between an unrecognizable insn and an insn that
	has the code number of a define_expand.
	(main): Pass insn_code_number to gen_insn.  Call print_header
	only after parsing.  Avoid unnecessary use of printf.
	* Makefile.in (build/vec.o): New rule.
	(build/genextract): Depend on build/vec.o.
	(build/genextract.o): Don't depend on insn-config.h.

2006-01-22  Zack Weinberg  <zackw@panix.com>

	* Makefile.in: Consolidate most rules that use $(CC_FOR_BUILD) and/or
	$(RUN_GEN).  Use pattern rules to factor out as much boilerplate as
	practical.  Eliminate per-generator-program link rules.

2006-01-23  Andrew Pinski  <pinskia@physics.uc.edu>

	PR middle-end/24437
	* tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
	with a call expr to ...
	* fold-const.c (fold_ternary) <case CALL_EXPR>: Here.

2006-01-23  Richard Guenther  <rguenther@suse.de>

	* cfgloopmanip.c (lv_adjust_loop_entry_edge): Add comment
	before make_edge with conditional EDGE_TRUE_VALUE.

2006-01-23  Steven Bosscher  <stevenb.gcc@gmail.com>
	Jan Hubicka  <jh@suse.cz>
	Richard Guenther  <rguenther@suse.de>

	PR rtl-optimization/25654
	* cfgexpand.c (aggregate_contains_union_type): New function.
	(add_alias_set_conflicts): Call it.  Make sure to add conflicts
	for structure variables that contain a union type.

2006-01-23  Richard Sandiford  <richard@codesourcery.com>

	* gengtype.c (new_structure): Return the structure.
	(create_option): Add an extra "next" argument.
	(create_field): New function.
	(adjust_field_rtx_def): Use create_option and create_field.
	Remove a now-unnecessary call to find_structure.
	(adjust_field_tree_def): Likewise.
	(note_yacc_type): Remove an unnecessary call to find_structure.
	* gengtype.h (new_structure): Return the structure.
	(create_option): Add an extra argument.
	* gengtype-yacc.y (type): Remove unnecessary calls to find_structure.
	(option): Adjust calls to create_option.

2006-01-22  David Edelsohn  <edelsohn@gnu.org>

	* config/rs6000/aix.h (STACK_BOUNDARY): Define.

2006-01-22  Paul Brook  <paul@codesourcery.com>
	Peter Barada  <peter@the-baradas.com>

	* config/m68k/m68k.md: Add Coldfire FPU support.
	Define FP mode macro and associated attributes.
	Use it for float mode patterns.
	* config/m68k/linux.h (FUNCTION_VALUE): Use m68k_function_value.
	(LIBCALL_VALUE): Use m68k_libcall_value.
	* config/m68k/m68k-protos.h (m68k_libcall_value): Add prototype.
	(m68k_function_value): Ditto.
	(emit_move_sequence): Ditto.
	* config/m68k/m68kemb.h (LIBCALL_VALUE): Use m68k_libcall_value.
	* config/m68k/m68k-none.h (ASM_SPEC): Add mcfv4e.
	* config/m68k/t-m68kelf (MULTILIB_OPTIONS): Add mcfv4e.
	(MULTILIB_EXCEPTIONS): Ditto.
	* config/m68k/m68k.opt: Add mcfv4e.
	* config/m68k/m68k.c (m68k_handle_option): Handle OPT_mcfv4e.
	(m68k_compute_frame_layout): Include space for ColdFire FPU regs.
	(m68k_output_function_prologue): Save ColdFire FPU registers.
	(m68k_output_function_epilogue): Restore ColdFire FPU registers.
	(force_mode, fp_reg_operand, emit_move_sequence): New functions.
	(m68k_regno_mode_ok): Don't allow types larget than 8 bytes in
	ColdFire FPU registers.
	(m68k_libcall_value, m68k_function_value): New functions.
	* config/m68k/netbsd-elf.h (FUNCTION_VALUE): Use m68k_function_value.
	(LIBCALL_VALUE): Use m68k_libcall_value.
	* config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Define __mcfv4e__.
	(MASK_COLDFIRE): Add MASK_CFV4E.
	(TARGET_COLDFIRE_FPU, TARGET_HARD_FLOAT, TARGET_FP_REG_SIZE): New.
	(MODES_TIEABLE_P): Use TARGET_HARD_FLOAT.
	(REG_CLASS_FROM_LETTER, PREFERRED_RELOAD_CLASS): Ditto.
	(GO_IF_COLDFIRE_FPU_LEGITIMATE_ADDRESS): Define.
	(GO_IF_LEGITIMATE_ADDRESS): Use it.
	(LEGITIMIZE_ADDRESS): Handle ColdFire FPU addresses.
	* doc/invoke.tex: Document -mcfv4e on m68k.

2006-01-22  Ranjit Mathew  <rmathew@gcc.gnu.org>

	* doc/contribute.texi: Change CVS to SVN and update the corresponding
	URL.

2006-01-21  Gabriel Dos Reis  <gdr@integrable-solutions.net>

	PR c++/16190
	* c-opts.c (c_common_handle_option): Don't include
	-Wnon-virtual-dtor in -Wall; enable if -Weffc++.
	* doc/invoke.texi (C++ Dialect Options): Document that
	-Wnon-virtual-dtor is no longer included in -Wall.

2006-01-21  Joseph S. Myers  <joseph@codesourcery.com>

	* gcov.c (print_version), gcov-dump.c (print_version),
	mips-tdump.c (main), mips-tfile.c (main): Update copyright notice
	dates.

2006-01-21  Kenneth Zadeck <zadeck@naturalbridge.com>

	* df-scan.c (problem_SCAN): Added NULL reset function.
	(df_scan_reset_blocks): Added code to call reset block function
	(df_bb_refs_delete) Fixed comment.
	(df_insn_refs_delete): Made tolerant of deleting non existent info
	for dataflow problems that need to be reset.
	* df-core.c (df_set_blocks): Ditto.
	* df.h (struct df_problem): Added reset_fun.
	* df-problems.c (problem_RU, problem_RD, problem_LR, problem_UR,
	problem_UREC, problem_CHAIN, problem_RI): Initialized reset_fun field.
	(df_chain_insn_reset, df_chain_bb_reset, df_chain_reset): New
	functions to clear out all references to def-use or use-def chains.

2006-01-21  Ben Elliston  <bje@au.ibm.com>

	* varasm.c (assemble_real): Initialise data array.

2006-01-20  Paul Brook  <paul@codesourcery.com>

	Merge from csl-arm-branch.
	2005-09-21  Kazu Hirata  <kazu@codesourcery.com>
	* config/arm/arm.md (movdi): Force operands[1] to a register
	if we have a non-register source.
	(*arm_movdi, *movdf_soft_insn): Require that one of the
	operands be a register.
	* config/arm/iwmmxt.md (*iwmmxt_arm_movdi): Likewise.
	* config/arm/vfp.md (*arm_movdi_vfp, *movdf_vfp): Likewise.

2006-01-20  DJ Delorie  <dj@redhat.com>

	* varasm.c (initialize_constant_valid_p): Allow pointers
	initialized from integer constants of lesser precision.
	(output_constant): Allow non-int-sized pointer modes to be
	initialized from integer constants.

2006-01-20  Joseph S. Myers  <joseph@codesourcery.com>

	PR libstdc++/25524
	* cppdefault.h (struct default_include): Add multilib flag.
	* cppdefault.c (cpp_include_defaults): Set it.
	* c.opt (-imultilib): New option.
	* c-opts.c (imultilib): New.
	(c_common_handle_option): Handle -imultilib.
	(c_common_post_options): Likewise.
	* c-incpath.c (add_standard_paths, register_include_chains):
	Likewise.
	* c-incpath.h (register_include_chains): Add extra parameter.
	* gcc.c (do_spec_1): Generate -imultilib option.
	(The Specs Language): Update %I description.
	(process_command): Update copyright notice.
	* doc/cppopts.texi (-imultilib): Document.
	* doc/invoke.texi (-imultilib): Include in option summary.
	(%I): Update specs documentation.

2006-01-20  Zdenek Dvorak <dvorakz@suse.cz>

	* loop-iv.c (iv_analysis_loop_init): Use df in more conservative way.

2006-01-20  Richard Sandiford  <richard@codesourcery.com>

	* stmt.c (case_bit_test_cmp): Stabilize the sort using code
	label numbers.

2006-01-20  Richard Guenther  <rguenther@suse.de>
	Steven Bosscher <stevenb.gcc@gmail.com>

	PR rtl-optimization/24626
	* cfgloopmanip.c (lv_adjust_loop_entry_edge): Don't set
	EDGE_TRUE_VALUE if in RTL mode.

	Revert
	2005-03-30 Mostafa Hagog <mustafa@il.ibm.com>
	* cfgrtl.c (rtl_verify_flow_info_1): Fix.

2006-01-20  Dirk Mueller  <dmueller@suse.com>

	PR c++/5520
	* c-parser.c (c_parser_if_body): Use build_empty_stmt()
	instead of a special NOP marker.
	* c-typeck.c (c_finish_if_stmt): Remove obsoleted special
	NOP marker handling.
	* c-common.h (empty_body_warning): Add forward declaration.
	* c-common.c (empty_body_warning): Add (from c_finish_if_stmt).
	Now uses IS_EMPTY_STMT() instead of special NOP markers.

2006-01-20  Paul Brook  <paul@codesourcery.com>

	* Makefile.in (lang_checks): Keep going if mkdir fails.

2006-01-19  Kenneth Zadeck <zadeck@naturalbridge.com>

	* df-scan.c (df_scan_free_bb_info): Added basic block parameter to
	be able to clean out basic block when not necessary.
	(df_scan_free): Fixed to properly delete information if df is
	unused before calling df_finish.
	(df_scan_alloc, df_rescan_blocks, df_reg_chain_unlink,
	df_insn_create_insn_record, df_bb_refs_record): Fixed formatting
	or comment typos.
	(df_bb_refs_delete): New function.
	(df_refs_delete): Moved per block code to df_bb_refs_delete.
	* df-core.c (df_set_blocks): Added code to properly clean out
	unused blocks if they are not part of the blocks to consider.
	Added additional null check.
	(df_compact_blocks): Added basic block parameter to free_bb_fun to
	be able to clean out basic block when not necessary
	* df.h (df_free_bb_function): Ditto.
	(df_bb_refs_delete): New function.
	* df-problems.c (df_ru_free_bb_info, df_rd_set_bb_info,
	df_lr_set_bb_info, df_ur_free_bb_info, df_urec_free_bb_info):Added
	basic block parameter to be able to clean out basic block when not
	necessary.
	(df_ru_alloc, df_rd_alloc): Fixed dyslexic overflow test.
	(df_ru_free, df_rd_free, df_lr_free, df_ur_free, df_urec_free):
	Fixed to properly delete information if df is unused before
	calling df_finish.

2006-01-19  Kenneth Zadeck <zadeck@naturalbridge.com>

	PR rtl-optimization/25799
	* df-problems.c (df_ru_confluence_n, df_rd_confluence_n):
	Corrected confluence operator to remove bits from op2 before oring
	with op1 rather than removing bits from op1.
	(df_ru_transfer_function): Corrected test on wrong bitmap which
	caused infinite loop.  Both of these problems were introduced in
	the dataflow rewrite.

2006-01-19  DJ Delorie  <dj@redhat.com>

	* reload1.c (find_reload_regs): Note the details of reload
	failures in the dump file.
	(spill_failure): Likewise.

2006-01-20  Zdenek Dvorak <dvorakz@suse.cz>

	* loop-iv.c: Include df.h and hashtab.h.
	(enum iv_grd_result): New enum.
	(DF_REF_IV, DF_REF_IV_SET): New macros.
	(struct biv_entry): New.
	(df, bivs): New global variables.
	(struct insn_info, insn_info, last_def, bivs, max_insn_no, max_reg_no,
	assign_luids, mark_sets, kill_sets, mark_single_set, simple_set_p):
	Removed.
	(clear_iv_info, latch_dominating_def, record_iv, iv_analyze_expr,
	iv_analyze_result, iv_analyze_def, biv_hash, biv_eq,
	analyzed_for_bivness_p, record_biv): New functions.
	(iv_analysis_loop_init, iv_get_reaching_def, simple_reg_p,
	get_biv_step_1, get_biv_step, iv_analyze_biv, iv_analyze_op,
	iv_analyze, biv_p, iv_analysis_done): Work with df representation of
	UD chains.
	(iv_constant, iv_subreg, iv_extend, iv_mult, iv_shift): Do not set
	analysed.
	(iv_number_of_iterations): Use new interface to iv analysis.
	* loop-unroll.c: Do not include varray.h.
	(analyze_iv_to_split_insn): Use new interface to iv
	analysis.
	* loop-unswitch.c (may_unswitch_on): Ditto.
	* df.c (df_bitmaps_free): Only work for bbs for that structures are
	allocated.
	(df_bb_modify): Realloc tables to the new index.
	(df_find_use): New function.
	* df.h (df_find_use): Declare.
	* optabs.c (expand_unop): Make the mode of the REG_EQUAL node be
	outmode.
	* cfgloop.h (struct rtx_iv): Remove analysed field.
	(iv_get_reaching_def): Removed.
	(iv_analyze_result, iv_analyze_expr, iv_current_loop_df): Declare.
	* Makefile.in (loop-unroll.o): Remove VARRAY_H dependency.
	(loop-iv.o): Add df.h and hashtab.h dependency.
	* df-problems.c (df_ru_alloc, df_rd_alloc): Fix memory reallocation.

2006-01-20  Alan Modra  <amodra@bigpond.net.au>

	* libgcc2.c (__floatdisf, __floatdidf): Don't use IBM Extended
	Double TFmode.
	(__floatundisf, __floatundidf): Likewise.
	* libgcc2.h (IS_IBM_EXTENDED): Define.

2006-01-19  DJ Delorie  <dj@redhat.com>

	* config/m32c/m32c.h (REG_ALLOC_ORDER): Define.

2006-01-19  Paul Brook  <paul@codesourcery.com>

	* gcc/config/arm/arm.c (arm_compute_func_type): Treat all functions
	as nothrow when unwinding tables are disabled.

2006-01-19  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>

	PR testsuite/25171
	* c-decl.c (check_bitfield_type_and_width): Don't issue pedwarn "type
	of bit-field" when in system header.

2006-01-19  DJ Delorie  <dj@redhat.com>

	* config/m32c/m32c.c (m32c_prepare_shift): Add code to deal with
	the 16 bit shift limit of the m16c.

2006-01-19  Andrew Pinski  <pinskia@physics.uc.edu>

	PR target/22099
	* config/i386/i386.md (builtin_setjmp_receiver): Don't emit the label.
	* config/i386/i386.c (output_set_got): Output the label if we have one
	for the TARGET_DEEP_BRANCH_PREDICTION case.

2006-01-19  Jan Hubicka  <jh@suse.cz>
	    H.J. Lu  <hongjiu.lu@intel.com>
	    Evandro Menezes <evandro.menezes@amd.com>

	* invoke.texi (generic): Document
	(i686) Update.
	* config.gcc: Make x86_64-* and i686-* default to generic tunning.
	* i386.h (TARGET_GENERIC32, TARGET_GENERIC64, TARGET_GENERIC,
	TARGET_USE_INCDEC, TARGET_PAD_RETURNS): New macros.
	(x86_use_incdec, x86_pad_returns): New variables
	(TARGET_CPU_DEFAULT_generic): New constant
	(TARGET_CPU_DEFAULT_NAMES): Add generic.
	(enum processor_type): Add generic32 and generic64.
	* i386.md (cpu attribute): Add generic32/generic64
	(movhi splitter): Behave sanely when both partial_reg_dependency and
	partial_reg_stall are set.
	(K8 splitters): Enable for generic as well.
	* predicates.md (incdec_operand): Use TARGET_INCDEC
	(aligned_operand): Avoid memory mismatch stalls.
	* athlon.md: Enable for generic64, new patterns for 128bit moves.
	* ppro.md: Enable for generic32
	* i386.c (generic64_cost, generic32_cost): New.
	(m_GENERIC32, m_GENERIC64, m_GENERIC): New macros.
	(x86_use_leave): Enable for generic64.  (x86_use_sahf,
	x86_ext_80387_constants): Enable for generic32.  (x86_push_memory,
	x86_movx, x86_unroll_strlen, x86_deep_branch, x86_use_simode_fiop,
	x86_use_cltd, x86_promote_QImode, x86_sub_esp_4, x86_sub_esp_8,
	x86_add_esp_4, x86_add_esp_8, x86_integer_DFmode_moves,
	x86_partial_reg_dependency, x86_memory_mismatch_stall,
	x86_accumulate_outgoing_args, x86_prologue_using_move,
	x86_epilogue_using_move, x86_arch_always_fancy_math_387,
	x86_sse_partial_reg_dependency, x86_four_jump_limit, x86_schedule):
	Enable for generic.
	(x86_use_incdec, x86_pad_returns): New.
	(override_options): Add generic32 and generic64, translate "generic"
	to generic32/generic64 and "i686" to "generic32", refuse
	"generic32"/"generic64" as arch target.
	(ix86_issue_rate, ix86_adjust_cost): Handle generic as athlon.
	(ix86_reorg): Honor PAD_RETURNS.

2006-01-19  Diego Novillo  <dnovillo@redhat.com>

	* tree-pretty-print.c (dump_generic_node): Handle
	OMP_PARALLEL_FN, OMP_PARALLEL_DATA_ARG and OMP_RETURN_EXPR.
	* cgraph.c (cgraph_expand_queue): Rename from
	cgraph_analyze_queue.  Update all users.
	* cgraphunit.c (cgraph_assemble_pending_functions): Process
	cgraph_expand_queue.
	(cgraph_expand_all_functions): Likewise.
	(cgraph_finalize_pending_functions): Remove.  Update callers.

	* tree.h (OMP_DIRECTIVE_P): Define.
	(OMP_PARALLEL_FN): Define.
	(OMP_PARALLEL_DATA_ARG): Define.
	(OMP_SECTIONS_SECTIONS): Define.
	* tree-pass.h (pass_expand_omp): Declare.
	* omp-low.c (struct omp_region): Declare.
	(struct omp_context): Remove fields 'parallel_type',
	'parallel_start_ix' and 'parallel_start_additional_args'.
	Update all users.
	(struct omp_for_data): Rename from struct expand_omp_for_data.
	(omp_regions): New static variable.
	(root_omp_region): New static variable.
	(find_omp_clause): Make static.
	(is_in_combined_parallel_ctx): Remove.
	(is_combined_parallel): New.
	(extract_omp_for_data): Move earlier in the file.
	(workshare_safe_to_combine_p): New.
	(get_ws_args_for): New.
	(determine_parallel_type): Move earlier in the file.
	(omp_copy_decl_2): Do not set DECL_CONTEXT of new local to the
	child function.
	(omp_copy_decl): Likewise.
	(create_omp_child_function): Likewise.
	(lookup_omp_region): New.
	(dump_omp_region): New.
	(debug_omp_region): New.
	(debug_all_omp_regions): New.
	(new_omp_region): New.
	(scan_omp_parallel): If parallel_nesting_level > 1, the
	directive is nested within another parallel directive.
	Set OMP_PARALLEL_FN.
	(scan_omp_for): Do not try to handle combined parallel+for
	cases.
	Remove FIXME comment.
	(scan_omp_nested): Remove.
	(scan_omp_1): Do not call scan_omp_nested when
	parallel_nesting_level is > 1.
	Do not change the DECL_CONTEXT of local variables found.
	(lookup_decl_in_outer_ctx): New.
	(lower_rec_input_clauses): Rename from expand_rec_input_clauses.
	(lower_lastprivate_clauses): Rename from expand_lastprivate_clauses.
	(lower_reduction_clauses): Rename from expand_reduction_clauses.
	(lower_copyprivate_clauses): Rename from expand_copyprivate_clauses.
	If CTX is nested, lookup VAR in the outer context when
	building copy assignment.
	(lower_send_clauses): Rename from expand_send_clauses.
	If CTX is nested, lookup VAR in the outer context when
	building copy assignments.
	(lower_send_shared_vars): Rename from expand_send_shared_vars.
	If CTX is nested, lookup VAR in the outer context when
	building copy assignments.
	(expand_parallel_call): Rename from build_parallel_call.
	Handle combined parallel+workshare cases.
	Re-implement to emit code into the CFG.
	(list2chain): New.
	(expand_omp_parallel): Re-implement to emit code into the CFG.
	Call move_sese_region_to_fn to outline the sub-graph
	containing the parallel region.
	(expand_omp_for_1): Remove.
	(expand_omp_for_generic): Re-implement to emit code into the
	CFG.
	(expand_omp_for_static_nochunk): Likewise.
	(expand_omp_for_static_chunk): Likewise.
	(expand_omp_for): Likewise.
	(expand_omp_sections): Likewise.
	(remove_exit_barriers): New.
	(expand_omp_synch): New.
	(expand_omp): New.
	(build_omp_regions_1): New.
	(build_omp_regions): New.
	(execute_expand_omp): New.
	(gate_expand_omp): New.
	(pass_expand_omp): Define.
	(lower_omp_sections): Rename from expand_omp_sections.
	Set OMP_SECTIONS_SECTIONS.
	(lower_omp_single_simple): Rename from expand_omp_single_simple.
	(lower_omp_single_copy): Rename from expand_omp_single_copy.
	(lower_omp_single): Rename from expand_omp_simple.
	(lower_omp_master): Rename from expand_omp_master.
	(lower_omp_ordered): Rename from expand_omp_ordered.
	(lower_omp_critical): Rename from expand_omp_critical.
	(lower_omp_for_lastprivate): Rename from expand_omp_for_lastprivate.
	(lower_omp_for): Re-implement.
	(lower_omp_parallel): Re-implement.
	(lower_regimplify): Rename from expand_regimplify.
	(lower_omp_1): Rename from expand_omp_1.
	If there are syntax errors in the program, replace every
	OpenMP directive with NOP.
	Call lower_omp_* instead of expand_omp_*.
	(lower_omp): Rename from expand_omp.

	* tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN_EXPR.
	* tree-gimple.h (enum omp_parallel_type): Remove.
	(gimple_boolify): Declare extern.
	(find_omp_clause, determine_parallel_type): Remove.

	* gimple-low.c (lower_omp_directive): New.
	(lower_stmt): Call it.
	(record_vars_into): Move from ...
	(record_vars): ... here.
	Call record_vars_into with current_function_decl.

	* gimplify.c (struct gimplify_ctx): Remove fields
	combined_pre_p and combined_ctxp.  Update users.
	(get_formal_tmp_var): Add documentation.
	(gimple_boolify): Make extern.
	(gimplify_expr_in_ctx): Remove.  Update callers.
	(gimplify_omp_parallel): Do not assume that OMP_PARALLEL_BODY
	will always be a BIND_EXPR.
	(gimplify_expr): Handle OMP_RETURN_EXPR.
	* tree.def (BLOCK): Remove documentation about BLOCK_TYPE_TAGS.
	(OMP_PARALLEL): Add 3 operands.
	(OMP_SECTIONS): Add 1 operand.
	(OMP_RETURN_EXPR): Define.

	* tree-inline.c (estimate_num_insns_1): Handle OpenMP directives.
	(copy_tree_r): Restore TREE_CHAIN in OMP_CLAUSE_*.
	* tree-iterator.c (alloc_stmt_list): Assert that we are not
	creating a circular free list.
	(free_stmt_list): Assert that we are not freeing stmt_list_cache.

	* tree-flow.h (move_sese_region_to_fn): Declare.
	(record_vars_into): Declare.
	* tree-cfg.c (make_omp_sections_edges): New.
	(make_exit_edges): Handle OMP_PARALLEL, OMP_FOR, OMP_SINGLE,
	OMP_MASTER, OMP_ORDERED, OMP_CRITICAL, OMP_RETURN_EXPR,
	OMP_SECTIONS and OMP_SECTION.
	(is_ctrl_altering_stmt): Return true for OMP_DIRECTIVE_P.
	(set_bb_for_stmt): Undo change to check currently_expanding_to_rtl.
	(verify_stmt): Do not handle OMP_DIRECTIVE_P.
	(gather_blocks_in_sese_region): New.
	(struct move_stmt_d): Declare.
	(move_stmt_r): New.
	(move_block_to_fn): New.
	(move_sese_region_to_fn): New.

	* passes.c (init_optimization_passes): Schedule
	pass_expand_omp after pass_init_datastructures.

	* tree-ssa-operands.c (get_expr_operands): Handle
	OMP_PARALLEL, OMP_SECTIONS, OMP_FOR, OMP_RETURN_EXPR,
	OMP_SINGLE, OMP_MASTER, OMP_ORDERED, OMP_CRITICAL.

2006-01-19  Jeff Law  <law@redhat.com>

	* tree-vrp.c (extract_range_from_assert): Refine the result range
	if the variable referenced by the ASSERT_EXPR has a range and
	either the tentative result range or the previous range is a
	VR_ANTI_RANGE.

2006-01-19  Richard Sandiford  <richard@codesourcery.com>

	* c-decl.c (add_flexible_array_elts_to_size): Simplify vector accesses.

2006-01-19  Jan Hubicka  <jh@suse.cz>

	* tree-vect-patterns.c (vect_pattern_recog_1): Prevent parse error.

2006-01-19  Paolo Bonzini  <bonzini@gnu.org>

	* combine.c (try_combine): Do not worry about MEMs wrapped by USEs.
	(expand_compound_operation, expand_field_assignment): Fail if the
	bit lengths of an extract operation are out of range.
	(make_extraction): Compute wanted_inner_mode based on the position
	and length of the extraction.  Make it extraction_mode for non-constant
	positions, and do not modify offset in that case.  When generating a
	new MEM, use a mode that can hold the extraction while keeping correct
	alignment.  Remove code that supported MEMs wrapped by USEs.
	(simplify_shift_const_1, force_to_mode) <case USE>: Remove.

2006-01-19  Andreas Krebbel  <krebbel1@de.ibm.com>

	* config/s390/s390.md ("Y", "y"): New mode attribute.
	("*cmpdi_ccs", "*cmpsi_ccs", "*adddi3_imm_cc", "*adddi3_carry1_cc",
	"*adddi3_carry1_cconly", "*adddi3_carry2_cc", "*adddi3_carry2_cconly",
	"*adddi3_cc", "*adddi3_cconly", "*adddi3_cconly2", "*adddi3_64",
	"*addsi3_imm_cc", "*addsi3_carry1_cc",
	"*addsi3_carry1_cconly", "*addsi3_carry2_cc", "*addsi3_carr2_cconly",
	"*addsi3_cc", "*addsi3_cconly", "*addsi3_cconly2",
	"*subdi3_borrow_cc", "*subdi3_borrow_cconly", "*subdi3_cc",
	"*subdi3_cc2", "*subdi3_cconly", "*subdi3_cconly2", "*subdi3_64",
	"*subsi3_borrow_cc", "*subsi3_borrow_cconly", "*subsi3_cc",
	"*subsi3_cc2", "*subsi3_cconly", "*subsi3_cconly", "*subsi3_cconly2",
	"addsi3", "subsi3"): Insn patterns removed.
	("*add<mode>3_carry1_cc", "*add<mode>3_carry1_cconly",
	"*add<mode>3_carry2_cc", "*add<mode>3_carry2_cconly", "*add<mode>3_cc",
	"*add<mode>3_cconly", "*add<mode>3_cconly2", "*add<mode>3_imm_cc",
	"*sub<mode>3_borrow_cc", "*sub<mode>3_borrow_cconly",
	"*sub<mode>3_cc", "*sub<mode>3_cc2", "*sub<mode>3_cconly",
	"*sub<mode>3_cconly2"): New insn patterns.
	("addsi3", "subsi3"): New expanders.

2006-01-19  Dorit Nuzman  <dorit@il.ibm.com>

	* Makefile.in (tree-vect-patterns.o): Add rule for new file.
	* tree-vect-analyze.c (vect_determine_vectorization_factor): Use
	existing STMT_VINFO_VECTYPE if available.
	(vect_mark_relevant): Add special handling for stmts that are
	marked as STMT_VINFO_IN_PATTERN_P.
	(vect_analyze_loop): Call vect_pattern_recog.
	* tree-vectorizer.c (new_stmt_vec_info): Initialize new fields.
	* tree-vectorizer.h (in_pattern_p, related_stmt): New fields in
	stmt_info.
	(STMT_VINFO_IN_PATTERN_P, STMT_VINFO_RELATED_STMT): New macros.
	(vect_recog_func_ptr): New function-pointer type.
	* tree-vect-patterns.c: New file.
	(vect_recog_widen_sum_pattern, vect_recog_widen_mult_pattern):
	(vect_recog_dot_prod_pattern, vect_pattern_recog):
	(vect_pattern_recog_1): New functions.
	(vect_pattern_recog_funcs): New array of function pointers.

	* tree-vectorizer.h (ternary_op): New enum value.
	* tree-vect-transform.c (vect_create_epilog_for_reduction): Added
	declaration. Revised documentation. Removed redundant dump prints.
	Removed redundant argument. Added support for reduction patterns.
	(vectorizable_reduction): Added support for reduction patterns.
	(vect_transform_stmt): Added support for patterns.

	* expr.c (expand_expr_real_1): Added case for DOT_PROD_EXPR.
	* genopinit.c (udot_prod_optab, sdot_prod_optab): Initialize.
	* optabs.c (optab_for_tree_code): Added case for DOT_PROD_EXPR.
	(expand_widen_pattern_expr): New function.
	(init_optabs): Initialize new optabs udot_prod_optab,
	sdot_prod_optab.
	* optabs.h (OTI_sdot_prod, OTI_udot_prod): New.
	(sdot_prod_optab, udot_prod_optab): Define new optabs.
	(expand_widen_pattern_expr): New function declaration.
	* tree.def (DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR): New
	tree-codes.
	* tree-inline.c (estimate_num_insns_1): Added cases for new
	tree-codes DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
	* tree-pretty-print.c (dump_generic_node): Likewise.
	(op_prio): Likewise.
	(op_symbol): Added cases for WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
	* tree-ssa-operands.c (get_expr_operands): Added case for
	DOT_PROD_EXPR.
	* tree-vect-patterns.c (widened_name_p): New function.
	(vect_recog_dot_prod_pattern): Added function implementation.
	* tree-vect-transform.c (get_initial_def_for_reduction): Added
	cases for DOT_PROD_EXPR, WIDEN_SUM_EXPR.
	* config/rs6000/altivec.md (udot_prod<mode>, sdot_prodv8hi): New.
	* config/i386/sse.md (sdot_prodv8hi, udot_prodv4si): New.

	* expr.c (expand_expr_real_1): Added case for WIDEN_SUM_EXPR.
	* genopinit.c (widen_ssum_optab, widen_usum_optab): Initialize.
	* optabs.c (optab_for_tree_code): Added case for WIDEN_SUM_EXPR.
	(init_optabs): Initialize new optabs widen_ssum_optab,
	widen_usum_optab.
	* optabs.h (OTI_widen_ssum, OTI_widen_usum): New.
	(widen_ssum_optab, widen_usum_optab): Define new optabs.
	* tree-vect-generic.c: (expand_vector_operations_1): Check type of
	use instead of type of def.
	* tree-vect-patterns.c (vect_recog_widen_sum_pattern): Added
	function implementation.
	* config/rs6000/altivec.md (widen_usum<mode>, widen_ssumv16qi,
	widen_ssumv8hi): New.

	* doc/tm.texi (ssum_widen, usum_widen, sdot_prod, udot_prod): New
	patterns.

2006-01-19  Richard Sandiford  <richard@codesourcery.com>

	PR c/25805
	* c-decl.c (add_flexible_array_elts_to_size): New function.
	(finish_decl): Use it.

2006-01-18  Andrew Pinski  <pinskia@physics.uc.edu>

	* diagnostic.h: Include options.h.
	* config/rs6000/x-darwin (host-ppc-darwin.o): Correct the
	dependancies for diagnostic.h.
	* Makefile.in (DIAGNOSTIC_H): Add options.h.

2006-01-16  Daniel Berlin  <dberlin@dberlin.org>

	* tree-ssa-operands.h (ssa_call_clobbered_cache_valid): Remove.
	(ssa_ro_call_cache_valid): Ditto.
	* tree-ssa-alias.c (sort_tags_by_id): New function.
	(init_transitive_clobber_worklist): Ditto.
	(add_to_worklist): Ditto.
	(mark_aliases_call_clobbered): Ditto.
	(compute_tag_properties): Ditto.
	(set_initial_properties): Ditto.
	(compute_call_clobbered): Ditto.
	(compute_may_aliases):	Call compute_call_clobbered and grouping.
	(compute_flow_sensitive_aliasing): Remove clobbering related code.
	(compute_flow_insensitive_aliasing): Grouping now happens in our
	caller.
	(setup_pointers_and_addressables): Remove clobbering related code.
	(add_may_alias): Ditto.
	(replace_may_alias): Ditto.
	(get_nmt_for): Ditto.
	(create_global_var):
	(is_escape_site): Return an escape_type enumeration.
	* tree-flow-inline.h (is_call_clobbered):  Global var does not
	imply call clobbered.
	(mark_call_clobbered): Take a reason for marking this. Remove
	marking of globalness, and cache invalidation.
	(clear_call_clobbered): Remove cache invalidation code.
	* tree-dfa.c (dump_variable): If details is on, dump the reason
	for escaping.
	* tree-outof-ssa.c (create_temp): Copy escape mask from original
	variable.
	* tree-flow.h (struct ptr_info_def): Add escape mask member.
	(struct var_ann_d): Ditto.
	(enum escape_type): New.
	(mark_call_clobbered): Adjust prototype.
	* tree-ssa-structalias.c (update_alias_info): Unmodifiable vars
	are never call clobbered.
	Record reasons for escaping.
	* tree-ssa-structalias.h (is_escape_site): Update prototype.
	* tree-ssa-operands.c (ssa_call_clobbered_cache_valid): Remove.
	(ssa_ro_call_cache_valid): Ditto.
	(clobbered_v_may_defs): Ditto.
	(clobbered_vuses): Ditto.
	(ro_call_vuses): Ditto.
	(clobber_stats): New.
	(init_ssa_operands): Zero out clobber stats.
	(fini_ssa_operands): Print out clobber stats.
	(get_call_expr_operands): Pass callee fndecl to
	add_call_read_ops).
	(add_call_clobber_ops): Remove use of cache.
	Add use of PURE_CONST information.
	(add_call_read_ops): Remove use of cache.
	Add use of static not_read information.

2006-01-18  Alexandre Oliva  <aoliva@redhat.com>

	Introduce TLS descriptors for i386 and x86_64.
	* config/i386/i386.h (TARGET_GNU2_TLS): New macro.
	(TARGET_ANY_GNU_TLS): New macro.
	(enum tls_dialect): Added TLS_DIALECT_GNU2.
	(struct machine_function): Add tls_descriptor_call_expanded_p.
	(ix86_tls_descriptor_calls_expande_in_cfun): New macro.
	(ix86_current_function_calls_tls_descriptor): Likewise.
	* config/i386/i386.c (ix86_tls_dialect): Fix typo in comment.
	(override_options): Introduce gnu2 tls dialect.
	(ix86_frame_pointer_required): Functions containing TLSCALLs are
	not leaves.
	(ix86_select_alt_pic_regnum, ix86_compute_frame_layout):
	Likewise.
	(legitimize_tls_address): Adjust logic for GNU2 TLS.
	(ix86_init_machine_status): Initialize new field.
	(ix86_tls_get_addr): Use TARGET_ANY_GNU_TLS.
	(ix86_tls_module_base): New.
	* config/i386/i386-protos.h (ix86_tls_module_base): Declare it.
	* config/i386/i386.md (UNSPEC_TLSDESC): New constant.
	(tls_global_dynamic_32, tls_global_dynamic_64): Handle GNU2 TLS.
	(tls_local_dynamic_base_32, tls_local_dynamic_base_64): Likewise.
	(tls_dynamic_gnu2_32, *tls_dynamic_lea_32): New patterns.
	(*tls_dynamic_call_32, *tls_dynamic_gnu2_combine_32): Likewise.
	(tls_dynamic_gnu2_64, *tls_dynamic_lea_64): Likewise.
	(*tls_dynamic_call_64, *tls_dynamic_gnu2_combine_64): Likewise.
	* config/i386/predicates.md (tls_modbase_operand): New.
	(tp_or_register_operand): New.

2006-01-18  Daniel Berlin  <dberlin@dberlin.org>

	* ipa-reference.c (check_operand):  Allow FUNCTION_DECL.
	(look_for_address_of): Ditto.
	(ipa_init): Walk the function decls.
	(static_execute): Don't set readonly on FUNCTION_DECL's.

2006-01-18  Roger Sayle  <roger@eyesopen.com>

	* config/i386/i386.md (shift spliter): Fix a a typo in the splitter
	for shifts where the source and destination registers are different.

2006-01-18  Paul Brook  <paul@codesourcery.com>

	Merge from csl-arm-branch.
	2005-03-14  Julian Brown  <julian@codesourcery.com>
	* config/arm/lib1funcs.asm (ashldi3): Don't define on SymbianOS.
	(aeabi_llsl): Likewise.
	(ashrdi3): Likewise.
	(aeabi_lasr): Likewise.
	(lshrdi3): Likewise.
	(aeabi_llsr): Likewise.
	2005-03-10  Julian Brown  <julian@codesourcery.com>
	* config.gcc: Disable shared libgcc for SymbianOS.
	* config/arm/t-symbian (LIB2ADDEH): Include config/arm/pr-support.c.

2006-01-18  DJ Delorie  <dj@redhat.com>

	* c-pragma.c (handle_pragma_diagnostic): New.
	(init_pragma): Register it.
	* doc/extend.texi: Document it.

	* diagnostic.def: Add DK_UNSPECIFIED and DK_IGNORED.
	* diagnostic.h (diagnostic_classify_diagnostic): Declare.
	(diagnostic_context): Add classify_diagnostic[].
	* diagnostic.c (diagnostic_count_diagnostic): Don't count warnings
	as errors if they're overridden to DK_WARNING.
	(diagnostic_initialize): Initialize classify_diagnostic[].
	(diagnostic_set_kind_override): New.
	(diagnostic_report_diagnostic): Check for kind changes.
	* opts.c (common_handle_option): Take lang_mask.  Update callers.
	Handle OPT_Werror_.
	* common.opt (Werror=): New.
	* doc/invoke.texi: Document -Werror=*

2006-01-18  Jeff Law  <law@redhat.com>

	* tree-vrp.c (test_for_singularity): Correct test for new
	min limit.  Use operand_equal_p rather than pointer equality
	for testing if new min/max values are equal.

	* tree-ssa-propagate.c (substitute_and_fold): Delay simplifications
	using range information until after propagation and folding.

2006-01-18  Richard Henderson  <rth@redhat.com>
	    Aldy Hernandez  <aldyh@redhat.com>
	    Jakub Jelinek  <jakub@redhat.com>
	    Diego Novillo  <dnovillo@redhat.com>

	* omp-low.c: New file.
	* c-omp.c: New file.

2006-01-18  Richard Henderson  <rth@redhat.com>
	    Jakub Jelinek  <jakub@redhat.com>
	    Diego Novillo  <dnovillo@redhat.com>

	* doc/invoke.texi: Document -fopenmp.
	* tree-dump.h (debug_function): Declare.
	* hooks.c (hook_bool_tree_bool_false): New function.
	(hook_tree_tree_null): Remove.
	(hook_tree_tree_tree_null): New.
	* hooks.h: Update to match.
	* tree-pretty-print.c (debug_tree_chain): New.
	(print_generic_expr): Handle TDF_CHAIN.
	(dump_generic_node): Handle BLOCK.
	Do not abort with incomplete SWITCH_EXPRs.
	Do not dump body of an OpenMP directive if TDF_SLIM is given.
	<case OMP_PARALLEL, OMP_FOR, OMP_SECTIONS>: Don't
	print space after directive name.
	<OMP_FOR>: Handle printing OMP_FOR_PRE_BODY.
	Handle OMP_MASTER and OMP_ORDERED.
	Handle printing of OMP_BODY just in one place, goto
	dump_omp_body in the rest of OMP_* nodes that have
	OMP_BODY.
	Don't handle clause nodes here.  Update omp statements to
	use dump_omp_clauses.
	Handle OMP_SINGLE, OMP_SECTIONS, OMP_SECTION,
	OMP_CLAUSE_ORDERED, OMP_CLAUSE_SCHEDULE, OMP_ATOMIC,
	OMP_CRITICAL, OMP_CLAUSE_NOWAIT, GOMP_CLAUSE_IF,
	GOMP_CLAUSE_NUM_THREADS, GOMP_FOR, GOMP_CLAUSE_SHARED,
	GOMP_CLAUSE_FIRSTPRIVATE, GOMP_CLAUSE_LASTPRIVATE,
	GOMP_CLAUSE_COPYIN and GOMP_CLAUSE_COPYPRIVATE.
	Adjust output for GOMP_PARALLEL.
	(dump_omp_clauses): New.
	(print_declaration): Dump DECL_VALUE_EXPR.
	(op_symbol_1): Split out of op_symbol.
	(dumping_stmts): Remove.  Update all users.
	* cgraph.c (cgraph_analyze_queue): New.
	(cgraph_add_new_function): New.
	* cgraph.h (cgraph_analyze_queue): Declare.
	(cgraph_add_new_function): Declare.
	(cgraph_lower_function): Remove.
	* tree.c (walk_tree): Walk OMP_CLAUSE_CHAIN of OMP_CLAUSE_*
	nodes.  Use switch for all nodes, handle most of IS_EXPR_CODE_CLASS
	and TYPE_P nodes in its default clause.
	(empty_body_p): New.
	(tree_range_check_failed): New.
	(build5_stat): New.
	* tree.h (OMP_CLAUSE_REDUCTION_INIT,
	OMP_CLAUSE_REDUCTION_MERGE,
	OMP_CLAUSE_REDUCTION_PLACEHOLDER,
	OMP_CLAUSE_PRIVATE_DEBUG,
	OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE, OMP_FOR_PRE_BODY,
	OMP_MASTER_BODY, OMP_ORDERED_BODY OMP_BODY,
	OMP_CLAUSES, OMP_CLAUSE_DECL, OMP_CLAUSE_DEFAULT_KIND,
	OMP_CLAUSE_CHAIN, OMP_CLAUSE_OUTER_DECL,
	OMP_CLAUSE_INNER_DECL, OMP_CLAUSE_NUM_THREADS_EXPR,
	OMP_CLAUSE_IF_EXPR, OMP_CLAUSE_SCHEDULE_CHUNK_EXPR,
	OMP_CLAUSE_SCHEDULE_CHUNK_SIZE. OMP_PARALLEL_VAR_INIT,
	OMP_PARALLEL_VAR_REDUC, OMP_FOR_VAR_INIT,
	OMP_FOR_VAR_LAST, OMP_FOR_VAR_REDUC,
	OMP_SECTIONS_VAR_INIT, OMP_SECTIONS_VAR_LAST,
	OMP_SECTIONS_VAR_REDUC, OMP_CLAUSE_REDUCTION_CODE
	OMP_SINGLE_CLAUSES, OMP_SINGLE_BODY,
	OMP_CLAUSE_SCHEDULE_CHUNK_SIZE, OMP_SECTION_BODY,
	OMP_CRITICAL_NAME, OMP_CRITICAL_BODY): New.
	(TREE_RANGE_CHECK): New.
	(empty_body_p): Declare.
	(enum omp_clause_default_kind): New.
	(build_string_literal): Declare.
	(enum omp_clause_schedule_kind, OMP_CLAUSE_SCHEDULE_KIND): New.
	(build5_stat, build5): Declare.
	* tree-pass.h (TDF_CHAIN): Define.
	* tree-pass.h (PROP_gimple_lomp): Define.
	(pass_lower_omp): Declare.
	* diagnostic.h (debug_tree_chain): Declare.
	* builtins.c (get_builtin_sync_mode): Use 0 as last argument to
	mode_for_size.
	(expand_builtin): Handle sync BUILT_IN_*_16 builtins.
	* builtins.c (build_string_literal): Make extern.
	* gcc.c (include_spec_function): New.
	(static_spec_functions): Add it.
	(main): Move load of libgomp.spec ...
	(LINK_COMMAND_SPEC): ... here.
	(link_gomp_spec): New.
	(static_specs): Include it.
	(LINK_COMMAND_SPEC): Add link_gomp.
	(GOMP_SELF_SPECS): New.
	(driver_self_specs): Include it.
	(switch_matches): Don't mark inline.
	(main): Load libgomp.spec.
	* tree-gimple.c (is_gimple_stmt): True for OMP_MASTER,
	OMP_ORDERED, OMP_CRITICAL, OMP_SECTIONS, OMP_SECTION,
	and OMP_SINGLE, OMP_FOR and OMP_PARALLEL.
	* tree-gimple.h (enum omp_parallel): Declare.
	(determine_parallel_type): Declare.
	(omp_firstprivatize_variable): Declare.
	(omp_reduction_init): Declare.
	(diagnose_omp_structured_block_errors): Declare.
	(struct walk_stmt_info): Add want_return_expr.
	(struct walk_stmt_info): Add want_bind_expr, want_locations.
	(find_omp_clause): Declare.
	(insert_field_into_struct): Declare.
	(struct walk_stmt_info): Move from tree-nested.c
	(walk_stmts): Declare.
	* c-cppbuiltin.c (c_cpp_builtins): If -fopenmp, #define _OPENMP
	to 200505.
	* cgraphunit.c (cgraph_lower_function): Make static.
	(cgraph_finalize_pending_functions): New.
	(cgraph_finalize_function): Call it.
	(cgraph_finalize_compilation_unit): Likewise.
	* builtin-types.def (BT_I16, BT_FN_I16_VPTR_I16,
	BT_FN_BOOL_VPTR_I16_I16, BT_FN_I16_VPTR_I16_I16): Add.
	(BT_FN_UINT_UINT): New.
	(DEF_FUNCTION_TYPE_6, DEF_FUNCTION_TYPE_7,
	DEF_FUNCTION_TYPE_VAR_4): Document.
	(BT_PTR_LONG, BT_PTR_PTR, BT_FN_BOOL, BT_FN_INT,
	BT_FN_VOID_PTRPTR, BT_PTR_FN_VOID_PTR,
	BT_FN_BOOL_LONGPTR_LONGPTR, BT_FN_VOID_OMPFN_PTR_UINT,
	BT_FN_VOID_OMPFN_PTR_UINT_UINT,
	BT_FN_BOOL_LONG_LONG_LONG_LONGPTR_LONGPTR,
	BT_FN_BOOL_LONG_LONG_LONG_LONG_LONGPTR_LONGPTR,
	BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG,
	BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG_LONG): New.
	* builtins.def: Update DEF_BUILTIN comment to include COND argument.
	Move all DEF_SYNC_BUILTIN () and DEF_GOMP_BUILTIN () builtins
	into separate files.
	(DEF_GOMP_BUILTIN): New.
	(BUILT_IN_OMP_GET_THREAD_NUM, BUILT_IN_GOMP_BARRIER,
	BUILT_IN_GOMP_CRITICAL_START, BUILT_IN_GOMP_CRITICAL_END,
	BUILT_IN_GOMP_CRITICAL_NAME_START, BUILT_IN_GOMP_CRITICAL_NAME_END,
	BUILT_IN_GOMP_LOOP_STATIC_START, BUILT_IN_GOMP_LOOP_DYNAMIC_START,
	BUILT_IN_GOMP_LOOP_GUIDED_START, BUILT_IN_GOMP_LOOP_RUNTIME_START,
	BUILT_IN_GOMP_LOOP_ORDERED_STATIC_START,
	BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_START,
	BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_START,
	BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_START,
	BUILT_IN_GOMP_LOOP_STATIC_NEXT, BUILT_IN_GOMP_LOOP_DYNAMIC_NEXT,
	BUILT_IN_GOMP_LOOP_GUIDED_NEXT, BUILT_IN_GOMP_LOOP_RUNTIME_NEXT,
	BUILT_IN_GOMP_LOOP_ORDERED_STATIC_NEXT,
	BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_NEXT,
	BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_NEXT,
	BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_NEXT,
	BUILT_IN_GOMP_PARALLEL_LOOP_STATIC_START,
	BUILT_IN_GOMP_PARALLEL_LOOP_DYNAMIC_START,
	BUILT_IN_GOMP_PARALLEL_LOOP_GUIDED_START,
	BUILT_IN_GOMP_PARALLEL_LOOP_RUNTIME_START,
	BUILT_IN_GOMP_LOOP_END, BUILT_IN_GOMP_LOOP_END_NOWAIT,
	BUILT_IN_GOMP_ORDERED_START, BUILT_IN_GOMP_ORDERED_END,
	BUILT_IN_GOMP_PARALLEL_START, BUILT_IN_GOMP_PARALLEL_END,
	BUILT_IN_GOMP_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_NEXT,
	BUILT_IN_GOMP_PARALLEL_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_END,
	BUILT_IN_GOMP_SECTIONS_END_NOWAIT, BUILT_IN_GOMP_SINGLE_START,
	BUILT_IN_GOMP_SINGLE_COPY_START, BUILT_IN_GOMP_SINGLE_COPY_END): New.
	* sync-builtins.def: New file, moved from builtins.def.
	* omp-builtins.def: New file, moved from builtins.def.
	* c-objc-common.h (LANG_HOOKS_OMP_PREDETERMINED_SHARING): Redefine.
	* gimple-low.c (lower_function_body): Clear data.
	(lower_stmt): Do not handle COMPOUND_EXPR.
	Remove call to print_node_brief.
	* c-tree.h (c_finish_omp_clauses): New prototype.
	(C_DECL_THREADPRIVATE_P): Define.
	(lookup_name_no_remap, c_omp_remap_private): Remove
	(c_begin_omp_parallel, c_finish_omp_parallel): Update.
	(check_for_loop_decls): Update decl.
	(lookup_name_no_remap, c_omp_remap_private): Declare.
	(build_indirect_ref, build_modify_expr, pushdecl,
	pushdecl_top_level): Move to c-common.h.
	* dwarf2out.c (loc_descriptor_from_tree_1): Don't set unsignedp
	before the switch, but just in the 2 places that need it.
	* c-decl.c (diagnose_mismatched_decls): Do not check for
	mismatched thread-local attributes when OLDDECL is marked
	threadprivate and NEWDECL has no thread-local attributes.
	(merge_decls): Merge C_DECL_THREADPRIVATE_P.
	(c_gimple_diagnostics_recursively): Rename from
	c_warn_unused_result_recursively.  Invoke
	diagnose_omp_structured_block_errors.
	(check_for_loop_decls): Return a singular decl found.
	* langhooks.c (lhd_omp_predetermined_sharing): Return
	OMP_CLAUSE_DEFAULT_SHARED for DECL_ARTIFICIAL decls.
	(lhd_omp_firstprivatize_type_sizes): New.
	(lhd_omp_assignment): New.
	(lhd_omp_predetermined_sharing): New.
	* langhooks.h (struct gimplify_omp_ctx): Forward declare.
	(struct lang_hooks_for_types): Add
	omp_firstprivatize_type_sizes, omp_privatize_by_reference,
	omp_predetermined_sharing, omp_disregard_value_expr,
	omp_private_debug_clause, omp_clause_default_ctor,
	omp_clause_copy_ctor, omp_clause_assign_op, omp_clause_dtor.
	(c_finish_omp_clauses): New.
	(c_finish_bc_stmt): Diagnose break within omp for.
	(c_begin_omp_parallel, c_finish_omp_parallel): New.
	(build_unary_op): Return error_mark after reporting
	a readonly_error.
	(build_modify_expr): Likewise.
	* gimplify.c: Include optabs.h and pointer-set.h.
	(enum gimplify_omp_var_data): Declare.
	(struct gimplify_omp_ctx): Declare.
	(struct gimplify_ctx): Add fields prev_context, combined_pre_p
	and combined_ctxp.
	(gimplify_ctxp, gimplify_omp_ctxp): New local variables.
	(push_gimplify_context, pop_gimplify_context): Allow nesting.
	(splay_tree_compare_decl_uid): New.
	(new_omp_context): New.
	(delete_omp_context): New.
	(gimple_add_tmp_var): Call omp_add_variable.
	(gimplify_bind_expr): Likewise.
	(gimplify_var_or_parm_decl): If omp_notice_variable returned
	true, disregard DECL_VALUE_EXPR on the decl if any.
	(gimplify_expr_in_ctx): New.
	(omp_firstprivatize_variable, omp_firstprivatize_type_sizes
	omp_add_variable, omp_notice_variable, omp_is_private
	gimplify_scan_omp_clauses, gimplify_adjust_omp_clauses_1
	gimplify_adjust_omp_clauses, gimplify_omp_parallel
	gimplify_omp_for, gimplify_omp_workshare, goa_lhs_expr_p
	gimplify_omp_atomic_fetch_op, goa_stabilize_expr
	gimplify_omp_atomic_pipeline, gimplify_omp_atomic_mutex
	gimplify_omp_atomic): New.
	(gimplify_expr): Handle OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
	OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
	OMP_CRITICAL and OMP_ATOMIC.
	(gimplify_body): Verify gimplify_ctxp is empty after gimplification.
	* c-pragma.h (enum pragma_kind): Add
	PRAGMA_OMP_ATOMIC, PRAGMA_OMP_BARRIER,
	PRAGMA_OMP_CRITICAL, PRAGMA_OMP_FLUSH, PRAGMA_OMP_FOR,
	PRAGMA_OMP_MASTER, PRAGMA_OMP_ORDERED,
	PRAGMA_OMP_PARALLEL, PRAGMA_OMP_PARALLEL_FOR,
	PRAGMA_OMP_PARALLEL_SECTIONS, PRAGMA_OMP_SECTION,
	PRAGMA_OMP_SECTIONS, PRAGMA_OMP_SINGLE,
	PRAGMA_OMP_THREADPRIVATE.
	* tree.def (OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
	OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
	OMP_CRITICAL, OMP_ATOMIC, OMP_CLAUSE_PRIVATE,
	OMP_CLAUSE_SHARED, OMP_CLAUSE_FIRSTPRIVATE,
	OMP_CLAUSE_LASTPRIVATE, OMP_CLAUSE_REDUCTION,
	OMP_CLAUSE_COPYIN, OMP_CLAUSE_COPYPRIVATE,
	OMP_CLAUSE_IF, OMP_CLAUSE_NUM_THREADS,
	OMP_CLAUSE_SCHEDULE, OMP_CLAUSE_NOWAIT,
	OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Define.
	* print-tree.c (print_node): Dump DECL_VALUE_EXPR.
	* tree-ssa-dce.c (find_control_dependence): Do not assume that
	ENTRY_BLOCK_PTR->next_bb == single_succ (ENTRY_BLOCK_PTR).
	* tree-nested.c (convert_call_expr): Call walk_body on OMP_BODY for
	OpenMP directives.
	(struct nesting_info): Add field_map,
	suppress_expansion, debug_var_chain.
	(create_nesting_tree): Initialize them.
	(lookup_field_for_decl): Use field_map.
	(get_nonlocal_debug_decl, get_local_debug_decl): New.
	(convert_local_omp_clauses): New.
	(finalize_nesting_tree_1): Add debug_var_chain to toplevel block.
	(walk_body): Split out of walk_function.
	(convert_nonlocal_omp_clauses, convert_local_omp_clauses): New.
	(convert_nonlocal_reference): Handle omp statements.
	(convert_local_reference): Likewise.
	(unnest_nesting_tree_1): Split out of finalize_nesting_tree_1.
	(unnest_nesting_tree): New.
	(lower_nested_functions): Call it.
	(insert_field_into_struct): Make extern.
	(struct walk_stmt_info): Move to tree-gimple.h.
	(walk_stmts): Make extern.
	* omp-builtins.def: New file.
	* tree-iterator.c (expr_only): Clarify comment.
	* c-common.h (pushdecl_top_level, pushdecl,
	build_modify_expr, build_indirect_ref,
	c_finish_omp_master, c_finish_omp_critical,
	c_finish_omp_ordered, c_finish_omp_barrier,
	c_finish_omp_atomic, c_finish_omp_flush,
	c_finish_omp_for, c_split_parallel_clauses,
	omp_clause_default_kind, c_omp_sharing_predetermined,
	c_omp_remap_decl): Declare.
	* Makefile.in (BUILTINS_DEF): Add omp-builtins.def.
	(OBJS-common): Add omp-low.o.
	(c-omp.o, omp-low.o): Add.
	(gimplify.o): Add dependency on $(OPTABS_H).
	(GTFILES): Add omp-low.c.
	(gt-stringpool.h): Add.
	* tree-cfg.c (set_bb_for_stmt): Do not update the
	block-to-labels map if we are currently expanding to RTL.
	(tree_node_can_be_shared): Remove unnecessary CONSTANT_CLASS_P
	checks.
	Handle IDENTIFIER_NODE.
	(tree_verify_flow_info): Do not ICE when emitting error
	messages about invalid labels.
	(dump_function_to_file): Reset CFUN before emitting the body
	of the function.
	(debug_function): New.
	* passes.c (init_optimization_passes): Schedule
	pass_lower_omp.
	* langhooks-def.h (lhd_omp_predetermined_sharing,
	lhd_omp_assignment, lhd_omp_firstprivatize_type_sizes):
	Declare.
	(LANG_HOOKS_OMP_FIRSTPRIVATIZE_TYPE_SIZES): Define.
	(LANG_HOOKS_FOR_TYPES_INITIALIZER): Use it.
	(LANG_HOOKS_OMP_PRIVATIZE_BY_REFERENCE,
	LANG_HOOKS_OMP_PREDETERMINED_SHARING,
	LANG_HOOKS_OMP_DISREGARD_VALUE_EXPR,
	LANG_HOOKS_OMP_PRIVATE_DEBUG_CLAUSE,
	LANG_HOOKS_OMP_CLAUSE_DEFAULT_CTOR,
	LANG_HOOKS_OMP_CLAUSE_COPY_CTOR,
	LANG_HOOKS_OMP_CLAUSE_ASSIGN_OP,
	LANG_HOOKS_OMP_CLAUSE_DTOR): Define.
	(LANG_HOOK_DECLS): Use them.

2006-01-18  Dmitry Kurochkin <dmitry.kurochkin@gmail.com>
	    Richard Henderson  <rth@redhat.com>
	    Jakub Jelinek  <jakub@redhat.com>
	    Diego Novillo  <dnovillo@redhat.com>

	* c-parser.c (pragma_omp_clause): Define.
	(c_parser_declaration_or_fndef): Document OpenMP syntax.
	(c_parser_compound_statement): Likewise.
	(c_parser_statement): Likewise.
	(c_parser_pragma): Handle omp pragmas.
	(OMP_FOR_CLAUSE_MASK, OMP_SECTIONS_CLAUSE_MASK,
	OMP_PARALLEL_CLAUSE_MASK, OMP_SINGLE_CLAUSE_MASK): Define.
	(c_parser_omp_clause_name, check_no_duplicate_clause,
	c_parser_omp_variable_list,
	c_parser_omp_var_list_parens, c_parser_omp_clause_copyin,
	c_parser_omp_clause_copyprivate,
	c_parser_omp_clause_default,
	c_parser_omp_clause_firstprivate, c_parser_omp_clause_if,
	c_parser_omp_clause_lastprivate,
	c_parser_omp_clause_nowait,
	c_parser_omp_clause_num_threads,
	c_parser_omp_clause_ordered, c_parser_omp_clause_private,
	c_parser_omp_clause_reduction,
	c_parser_omp_clause_schedule, c_parser_omp_clause_shared,
	c_parser_omp_all_clauses, c_parser_omp_structured_block,
	c_parser_omp_atomic, c_parser_omp_barrier,
	c_parser_omp_critical, c_parser_omp_flush,
	c_parser_omp_for_loop, c_parser_omp_for,
	c_parser_omp_master, c_parser_omp_ordered,
	c_parser_omp_sections_scope, c_parser_omp_sections,
	c_parser_omp_parallel, c_parser_omp_single,
	c_parser_omp_construct, c_parser_omp_threadprivate): New.
	* c-pragma.c (init_pragma): Do omp pragma registration here.
	* c.opt (fopenmp): New flag.

2006-01-18  Eric Christopher  <echristo@apple.com>

	* gcc.c (GOMP_SELF_SPECS): Bracket in #ifndef/#endif.
	* config/darwin.h (GOMP_SELF_SPECS): Define.

2006-01-18  Kazu Hirata  <kazu@codesourcery.com>

	* rtl.h: Remove the prototype for reg_alloc.

2006-01-18  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>

	PR target/25731
	* config.gcc (hppa*-*-linux*, hppa[12]*-*-hpux10*, hppa*64*-*-hpux11*,
	hppa[12]*-*-hpux11*): Override default shared libgcc version for both
	sjlj and dwarf2 exception handling.
	* pa/t-hpux-shlib (SHLIB_SOVERSION): New make variable.
	Rework to allow overriding SHLIB_EXT and SHLIB_SOVERSION.
	* pa/pa.c (function_value): Treat complex and vector types as
	aggregates.
	(function_arg): Likewise.  Only pass scalar floats in the floating
	point argument registers.
	* pa/t-slibgcc-dwarf-ver: New file.
	* pa/t-slibgcc-sjlj-ver: New file.
	* pa/t-slibgcc-elf-ver: Delete file.

2006-01-19  Alan Modra  <amodra@bigpond.net.au>

	* config/rs6000/rs6000.c (rs6000_assemble_integer): Correct
	unlikely_test_section_p test.

2006-01-18  Kazu Hirata  <kazu@codesourcery.com>

	* mode-switching.c (optimize_mode_switching): Make it static.
	* basic-block.h: Remove the prototype for
	optimize_mode_switching.

	* modulo-sched.c (sms_schedule): Make it static.
	* rtl.h: Remove the prototype for sms_schedule.

	* postreload-gcse.c (gcse_after_reload_main): Make it static.
	* rtl.h: Remove the prototype for gcse_after_reload_main.

	* reg-stack.c (reg_to_stack): Make it static.
	* rtl.h: Remove the prototype for reg_to_stack.

	* regrename.c (regrename_optimize, copyprop_hardreg_forward):
	Make them static.
	* rtl.h: Remove the prototypes for regrename_optimize and
	copyprop_hardreg_forward.

2006-01-18  Eric Botcazou  <ebotcazou@adacore.com>

	* config/alpha/alpha.c (alpha_split_tfmode_pair): Rename into
	alpha_split_tmode_pair.  Add 'mode' and 'fixup_overlap' arguments.
	Test against the appropriate null constant for the mode.
	If 'fixup_overlap' is true, swap the operands if they overlap.
	(alpha_split_tfmode_frobsign): Adjust call to alpha_split_tfmode_pair.
	* config/alpha/alpha-protos.h (alpha_split_tfmode_pair): Rename into
	alpha_split_tmode_pair and adjust for above change.
	* config/alpha/alpha.md (movtf_internal): Adjust call to
	alpha_split_tfmode_pair and rely on it to swap the operands.
	(movti_internal): New insn and post-reload splitter.
	(movti): New expander.

2006-01-18  Philippe De Muyter  <phdm@macqel.be>

	* config/m68k/m68k.md (*addsi3_5200): Allow addq/subq to memory
	operands.

2006-01-18  Kazu Hirata  <kazu@codesourcery.com>

	* rtlanal.c (global_reg_mentioned_p_1,
	global_reg_mentioned_p): Remove.
	* rtl.h: Remove the prototype for global_reg_mentioned_p.

	* flow.c (initialize_uninitialized_subregs): Make it static.
	* rtl.h: Remove the prototype for
	initialize_uninitialized_subregs.

	* function.c (instantiate_virtual_regs): Make it static.
	* function.h: Remove the prototype for
	instantiate_virtual_regs.

	* regmove.c (regmove_optimize, combine_stack_adjustments):
	Make them static.
	* rtl.h: Remove the prototypes for regmove_optimize and
	combine_stack_adjustments.

2006-01-17  Roger Sayle  <roger@eyesopen.com>

	* config/i386/i386.c (COSTS_N_BYTES): New macro.
	(size_cost): Encode costs in bytes so that a reg-reg addition is
	equivalent to COSTS_N_INSNS(1).
	(override_options): Use the size_cost.branch_cost as the default
	ix86_branch_cost when optimizing for size.

2006-01-18  Ben Elliston  <bje@au.ibm.com>

	* Makefile.in (D32PBIT_FUNCS): New.
	(D64PBIT_FUNCS, D128PBIT_FUNCS): Likewise.
	(libgcc.mk): Set D32PBIT, D64PBIT, D128PBIT, D32PBIT_FUNCS,
	D64PBIT_FUNCS and D128PBIT_FUNCS.
	(LIBGCC_DEPS): Include $(D32PBIT), $(D64PBIT), $(D128PBIT).
	* mklibgcc.in Bring in the DFP support code if D32PBIT, D64PBIT or
	D128PBIT are set.
	(decnumber_dep): Define.
	* doc/libgcc.texi (Decimal float library routines): New node.
	* config/dfp-bit.h, config/dfp-bit.c: New files.

2006-01-18  Ben Elliston  <bje@au.ibm.com>

	* expr.c (emit_move_change_mode): Always adjust addresses, not
	just during reload.  Copy replacements only during reload.
	(emit_move_insn_1): Move MODE_DECIMAL_FLOAT modes by invoking
	emit_move_via_integer.

2006-01-17  Shantonu Sen  <ssen@opendarwin.org>

	* Makefile.in (check-%, check-consistency): Use $${srcdir}
	instead of $(srcdir) and ${srcdir}.

2006-01-17  Richard Earnshaw  <rearnsha@arm.com>

	PR target/592
	PR middle-end/11135
	* arm.h (struct machine_function): Add pic_reg.
	* arm.c (arm_pic_register): Make unsigned.
	(arm_override_options): Only set arm_pic_register if
	TARGET_SINGLE_PIC_BASE.
	(use_return_insn): Only test for a pic register if it is fixed.
	(arm_compute_save_reg0_reg12_mask): Likewise.
	(thumb_compute_save_reg_mask): Likewise.
	(legitimate_pic_operand): Factor out some known invariants.
	(legitimize_pic_address): If we don't have a fixed pic register,
	then set up a pseudo in the function entry sequence.  Handle the
	pic base being in a pseudo.
	(arm_load_pic_register): Handle the pic register being in a pseudo.
	(arm_expand_prologue): Only set up the pic register if it is fixed.
	(thumb_expand_prologue): Likewise.
	* arm.md (pic_load_addr_based): Handle the pic base being a pseudo.
	(pic_load_addr_based_insn): Likewise.
	(builtin_setjmp_receiver): Don't restore the pic base if it isn't
	fixed.

2006-01-18  Ben Elliston  <bje@au.ibm.com>

	* config/rs6000/rs6000.c (rs6000_hard_regno_mode_ok): Reject
	decimal float modes for all floating point registers.

	* config/rs6000/predicates.md (reg_or_mem_operand): Pair up
	match_code "mem" with match_test "macho_lo_sum_memory_operand".

2006-01-17  Jakub Jelinek  <jakub@redhat.com>

	PR c/25682
	* c-typeck.c (build_unary_op): Fold offsetof-like expressions
	even when the pointer is not NULL.

2006-01-16  Ian Lance Taylor  <ian@airs.com>

	* common.opt (ftoplevel-reorder): New option.
	* cgraph.c (cgraph_asm_nodes): New global variable.
	(cgraph_asm_last_node): New static variable.
	(cgraph_order): New global variable.
	(cgraph_create_node): Set new order field.
	(cgraph_varpool_node): Likewise.
	(decide_is_variable_needed): Return true if not
	flag_toplevel_reorder.
	(cgraph_add_asm_node): New function.
	* cgraph.h (struct cgraph_node): Add order field.
	(struct cgraph_varpool_node): Add order field.
	(struct cgraph_asm_node): Define.
	(cgraph_asm_nodes, cgraph_order): Declare.
	(cgraph_add_asm_node): Declare.
	* cgraphunit.c (cgraph_varpool_assemble_decl): New static
	function.
	(cgraph_varpool_assemble_pending_decls): Call it.
	(cgraph_output_pending_asms): New static function.
	(cgraph_finalize_compilation_unit): Call it.
	(struct cgraph_order_sort): Define.
	(cgraph_output_in_order): New static function.
	(cgraph_optimize): Call cgraph_output_pending_asms.  Add code for
	!flag_toplevel_reorder case.
	* c-parser.c: Include "cgraph.h".
	(c_parser_asm_definition): Call cgraph_add_asm_node rather than
	assemble_asm.
	* Makefile.in (CRTSTUFF_CFLAGS): Use -fno-toplevel-reorder rather
	than -fno-unit-at-a-time.
	* doc/invoke.texi (Option Summary): Mention
	-fno-toplevel-reorder.
	(Optimize Options): Document -fno-toplevel-reorder.  Mention it in
	-funit-at-a-time documentation.

2006-01-17  Hans-Peter Nilsson  <hp@axis.com>
	    Kazu Hirata  <kazu@codesourcery.com>

	* Makefile.in (FUNCTION_H, LAMBDA_H): Use $(TREE_H), not tree.h.

2006-01-17  Kazu Hirata  <kazu@codesourcery.com>

	* Makefile.in (FUNCTION_H): New.  Use it instead of
	function.h throughout the file.
	* function.h: Include tree.h.

2006-01-17  Ben Elliston  <bje@au.ibm.com>

	* recog.c: Separate some functions with whitespace.

2006-01-16  Richard Henderson  <rth@redhat.com>

	Merge from gomp branch:
	* Makefile.in (TREE_INLINE_H): New.  Use it as needed.
	* tree-inline.h (struct copy_body_data): Move from tree-inline.c
	and rename from struct inline_data.  Rename callee* to dst*;
	caller* to src*; add copy_decl hook, transform_call_graph_edges,
	transform_new_cfg, transform_return_to_modify, and
	transform_lang_insert_block flags; remove cloning_p, versioning_p,
	update_clones_p.
	(copy_body_r, insert_decl_map, remap_decl, remap_type): Declare.
	(copy_decl_for_dup): Remove.
	* tree-inline.c (struct inline_data): Move to header.
	(insert_decl_map): Export.
	(remap_decl): Update for member name changes.  Use copy_decl hook.
	Allow for replacement to be a non-decl.  Remove dead code.
	(remap_type_1): Check for existing mapping.
	(remap_type): Export.
	(remap_decls): Update for member name changes.
	(remap_block, copy_bb, copy_cfg_body, copy_generic_body): Likewise.
	(copy_body, setup_one_parameter, declare_return_variable): Likewise.
	(expand_call_inline, optimize_inline_calls, clone_body): Likewise.
	(copy_tree_r, mark_local_for_remap_r, unsave_expr_now): Likewise.
	(tree_function_versioning, build_duplicate_type): Likewise.
	(copy_body_r): Likewise.  Export.
	(copy_decl_for_dup): Split into ...
	(copy_decl_for_dup_finish, copy_decl_to_var,
	copy_decl_no_change, copy_decl_maybe_to_var): ... these.
	(replace_ref_tree, inlining_p): Remove.

2006-01-16  Kazu Hirata  <kazu@codesourcery.com>

	* ifcvt.c (if_convert): Make it static.
	* rtl.h: Remove the prototype for if_convert.

	* local-alloc.c (local_alloc): Make it static.
	* rtl.h: Remove the prototype for local_alloc.

	* loop.c (loop_optimize): Make it static.
	* cfgloop.h: Remove the prototype for loop_optimize.
	* rtl.h: Likewise.

2006-01-16  DJ Delorie  <dj@redhat.com>

	* reload.c (reg_overlap_mentioned_for_reload_p): Handle subregs of
	mems.

2006-01-16  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>

	* pa.md: Disparage copies between general and floating-point registers
	in 32-bit move patterns.

2006-01-16  H.J. Lu  <hongjiu.lu@intel.com>

	PR testsuite/25741
	* Makefile.in (check-%): Depend on site.exp instead of
	$(TESTSUITEDIR)/site.exp. Run "runtest" in separate language
	directories.

2006-01-16  Kazu Hirata  <kazu@codesourcery.com>

	* global.c (global_alloc): Make it static.
	* rtl.h: Remove the prototype for global_alloc.

2006-01-16  Richard Guenther  <rguenther@suse.de>

	* tree-ssa-alias.c (struct used_part): Add write_only field.
	(get_or_create_used_part_for): Initialize it to true.
	(create_overlap_variables_for): Don't create structure variables
	for structures that only are written to.
	(find_used_portions): Handle MODIFY_EXPR to track whether a
	structure is only written to.

2006-01-16  Kazu Hirata  <kazu@codesourcery.com>

	* bb-reorder.c (partition_hot_cold_basic_blocks): Make it
	static.
	* basic-block.h: Remove the prototype for
	partition_hot_cold_basic_blocks.

2006-01-16  Rafael Ăvila de EspĂ­ndola <rafael.espindola@gmail.com>

	* cppspec.c (lang_specific_spec_functions): Remove.
	* gcc.c (lookup_spec_function): Use static_spec_functions directly.
	* gcc.h (lang_specific_spec_functions): Remove.
	* gccspec.c (lang_specific_spec_functions): Remove.

2006-01-16  Paolo Bonzini  <bonzini@gnu.org>

	* combine.c (record_value_for_reg): Invalidate registers
	if INSN is null.
	(record_dead_and_set_regs_1): Likewise, by passing them to
	record_value_for_reg.
	(record_dead_and_set_regs): Invalidate stores made by a
	call.  We do not combine across a call, but we still
	relied on equivalences.

2006-01-16  Eric Botcazou  <ebotcazou@adacore.com>

	* tree-vrp.c (extract_range_from_binary_expr): Cope with
	vrp_int_const_binop returning non-constant nodes.

2006-01-16  Paul Brook  <paul@codesourcery.com>

	* config/m68k/m68k.c (output_move_const_into_data_reg):
	Output correct mnemonic for mvz and mvs.

2006-01-16  Gabor Loki  <loki@gcc.gnu.org>

	* rtl-factoring.c: Add sequence abstraction algorithm.
	* cfgcleanup.c (outgoing_edges_match): Extra checks.
	(try_crossjump_to_edge): Avoid deleting preserve label when redirecting
	ABNORMAL edges.
	(block_has_preserve_label): New function.
	* common.opt: Register new pass.
	* Makefile.in: Ditto.
	* passes.c: Ditto.
	* timevar.def: Ditto.
	* tree-pass.h: Ditto.
	* emit-rtl.c (make_jump_insn_raw): Remove forward decl.
	* rtl.h (make_jump_insn_raw): Add forward decl.
	* doc/invoke.texi: Add documentation for -frtl-abstract-sequences.

2006-01-16  Eric Botcazou  <ebotcazou@adacore.com>
	    Roger Sayle  <roger@eyesopen.com>

	* fold-const.c (fold_minmax): New static function.
	(fold_binary) <MIN_EXPR>: Call it.
	<MAX_EXPR>: Likewise.
	* stor-layout.c (place_field): Use DECL_SIZE consistently
	in the computation of the new record size.

2006-01-16  Kazu Hirata  <kazu@codesourcery.com>

	* cse.c (cse_condition_code_reg): Make it static.
	* rtl.h: Remove the prototype for cse_condition_code_reg.

	* combine.c (combine_instructions): Make it static.
	* rtl.h: Remove the prototype for combine_instructions.

2006-01-15  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>

	PR target/25168
	* tree.c (get_file_function_name_long): Concatenate the first global
	object name with a string derived from the input filename of the object
	for type "F".

2006-01-16  Ben Elliston  <bje@au.ibm.com>

	* config/i386/winnt-stubs.c: Update FSF address.
	* config/xtensa/ieee754-df.S: Ditto.
	* config/xtensa/ieee754-sf.S: Ditto.

2006-01-14  Ian Lance Taylor  <ian@airs.com>

	* ifcvt.c (noce_init_if_info): New static function, broken out of
	noce_process_if_block.
	(noce_process_if_block): Call noce_init_if_info.
	(check_cond_move_block): New static function.
	(cond_move_process_if_block): New static function.
	(process_if_block): Call cond_move_process_if_block.

2006-01-15  Kazu Hirata  <kazu@codesourcery.com>

	* cselib.c (hash_table): Rename to cselib_hash_table.
	(cselib_clear_table, discard_useless_values,
	remove_useless_values, cselib_lookup_mem, cselib_lookup,
	cselib_init, cselib_finish): Adjust uses of hash_table.

2006-01-14  Kazu Hirata  <kazu@codesourcery.com>

	PR tree-optimization/25485
	* tree-vrp.c (extract_range_from_binary_expr): Handle cases
	where one of the operands of TRUTH_AND_EXPR and TRUTH_OR_EXPR
	is known to be false and true, respectively.

2006-01-14  Richard Guenther  <rguenther@suse.de>

	PR tree-optimization/22548
	PR tree-optimization/22555
	PR tree-optimization/22501
	* Makefile.in (tree-ssa-structalias.o): Depend on $(PARAMS_H).
	* params.def (salias-max-array-elements): New parameter.
	* params.h (SALIAS_MAX_ARRAY_ELEMENTS): Define.
	* doc/invoke.texi (salias-max-array-elements): Document.
	* tree-flow-inline.h (var_can_have_subvars): We also handle
	arrays now.
	* tree-ssa-alias.c (find_used_portions): Handle ARRAY_REF like
	COMPONENT_REF.
	* tree-ssa-structalias.c (params.h): Include.
	(push_fields_onto_fieldstack): Handle ARRAY_TYPE.
	(find_func_aliases): Handle multiple constraints from ARRAY_REF.
	(get_constraint_for): For ADDR_EXPR operating on something
	containing an ARRAY_REF, add all subvars to the solution.
	(handle_ptr_arith): Handle ARRAY_TYPE like RECORD_TYPE types.
	* tree-ssa-operands.c (parse_ssa_operands): Handle ARRAY_REF
	for creating MUST_DEFs.
	(get_expr_operands): Treat ARRAY_REF like COMPONENT_REF wrt subvars.

2006-01-14  Zdenek Dvorak <dvorakz@suse.cz>

	* tree-ssa-loop-niter.c (number_of_iterations_cond): Split into several
	functions.
	(number_of_iterations_ne, number_of_iterations_lt_to_ne,
	assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
	number_of_iterations_le): New functions.
	(number_of_iterations_special): Removed.
	(number_of_iterations_exit): Do not use number_of_iterations_special.
	* tree.c (unsigned_type_for): Always return integer type.

2006-01-14  Steven Bosscher  <stevenb.gcc@gmail.com>
	Richard Guenther  <rguenther@suse.de>

	PR rtl-optimization/24257
	* gcse.c (find_moveable_store): Only consider a store movable
	when the SET_SRC of the insn can be assigned to a register.

2006-01-14  Ian Lance Taylor  <ian@airs.com>

	* tree.c (tree_not_class_check_failed): New function.
	* tree.h (NON_TYPE_CHECK): Call tree_not_class_check_failed.
	(tree_not_class_check_failed): Declare.

2006-01-13  Ian Lance Taylor  <ian@airs.com>

	* reload1.c (do_output_reload): Add assertion rejecting a
	CALL_INSN.

2006-01-13  Adam Nemet  <anemet@caviumnetworks.com>

	* combine.c (struct reg_stat): Add new fields truncation_label and
	truncated_to_mode.
	(record_value_for_reg): Reset truncated_to_mode.
	(record_truncated_value): New function.
	(check_promoted_subreg): Call it.  Rename to check_conversions.
	(combine_instructions): Rename check_promoted_subreg to
	check_conversions.
	(reg_truncated_to_mode): New function.
	(make_extraction): Use it.  Check TRULY_NOOP_TRUNCATION.
	(gen_lowpart_or_truncate): New function.
	(force_to_mode): Use it instead of gen_lowpart.

2006-01-13  Diego Novillo  <dnovillo@redhat.com>

	* tree-ssa-alias.c (add_type_alias): Fix typo.  Test whether
	VAR is a tag, not its type tag.

2006-01-13  Alexandre Oliva  <aoliva@redhat.com>

	* config/i386/sse.md (*vec_extractv2di_1_sse2): Reorder
	alternatives to match style of other entries.
	(*vec_extractv2di_1_sse): Likewise.  Fix mode attr.

2006-01-13  Daniel Berlin  <dberlin@dberlin.org>

	PR tree-optimization/25771
	* tree-ssa-pre.c (insert_extra_phis): Don't insert merges of abnormal
	SSA_NAMES.

2006-01-13  Andrew Pinski  <pinskia@physics.uc.edu>

	PR tree-opt/24365
	* tree-inline.c (declare_return_variable): If the return variable
	was marked as a non gimple complex, set the return slot variable
	to be a non gimple comple variable.

2006-01-13  Richard Guenther  <rguenther@suse.de>

	* builtins.c (expand_builtin_sincos): New function.
	(expand_builtin_mathfn_3): Remove dead code, sin and cos
	do not set errno.
	(expand_builtin): Expand sincos using expand_builtin_sincos.

2006-01-12  DJ Delorie  <dj@redhat.com>

	* config/m32c/shift.md: Rewrite: Allow arbitrary operands for
	shift counts, separate SI shifts for m32c vs m16c, pass shift type
	so that constant shifts can be split.
	* config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Add In6.
	(m32c_valid_pointer_mode): Make static.
	(shift_gen_func_for): New.
	(m32c_prepare_shift): Use it.  Split large const shifts into
	multiple shifts.
	* config/m32c/predicates.md (shiftcount_operand): Allow more
	general operands.
	(longshiftcount_operand): New.
	* doc/md.texi (Machine Constraints): Document In6.

2006-01-13  Ben Elliston  <bje@au.ibm.com>

	* doc/tm.texi (Data Output): Add REAL_VALUE_TO_TARGET_DECIMAL32,
	REAL_VALUE_TO_TARGET_DECIMAL64 and REAL_VALUE_TO_TARGET_DECIMAL128
	documentation.

2006-01-12  Daniel Berlin  <dberlin@dberlin.org>

	* tree-ssa-operands.c (add_call_clobber_ops): Use SFT_PARENT_VAR
	to try to avoid clobbering pieces of structures when we know
	something about the whole structure.
	* tree-ssa-alias.c (create_sft): Set SFT_PARENT_VAR

2006-01-13  Ben Elliston  <bje@au.ibm.com>

	* doc/rtl.texi (Insns): Remove statement that libcalls cannot
	return in memory, as this is no limitation is no longer present.

2006-01-12  DJ Delorie  <dj@redhat.com>

	* config/m32c/addsub.md (addhi3): Add two more alternatives, for
	mova with fb, and for fb+0 -> An.

	* config/m32c/mov.md (peephole2): Fix enabling logic.

	* config/m32c/m32c.h (CTOR_LIST_BEGIN, CTOR_LIST_END,
	DTOR_LIST_BEGIN, DTOR_LIST_END, CTORS_SECTION_ASM_OP,
	DTORS_SECTION_ASM_OP, INIT_ARRAY_SECTION_ASM_OP,
	FINI_ARRAY_SECTION_ASM_OP): Define.

	* config/m32c/m32c.c (m32c_legitimize_address): Remove temporary
	variable.
	(m32c_legitimize_reload_address): New logic to reload FB to An.
	(m32c_output_reg_push): Add newline.
	(m32c_output_reg_pop): Likewise.

2006-01-12  Ulrich Weigand  <uweigand@de.ibm.com>

	* struct-equiv.c (find_dying_inputs): Fix off-by-one bug.

2006-01-11  Andrew Pinski  <pinskia@physics.uc.edu>

	* config/i386/darwin.h (SUBTARGET_ENCODE_SECTION_INFO): Define.

2006-01-11  Kazu Hirata  <kazu@codesourcery.com>

	* config/sh/predicates.md (sh_rep_vec): Add parallel to
	match_code.

2006-01-11  Ben Elliston  <bje@au.ibm.com>

	* rtlanal.c (find_reg_note): Assert insn is not null.

2006-01-11  Kenneth Zadeck <zadeck@naturalbridge.com>

	* df-scan.c (df_hard_reg_init): Move declaration of i outside
	ifdef.

2006-01-11  Jeff Law  <law@redhat.com>

	* tree-ssa-threadupdate.c (threaded_edges): New VEC to
	hold edge pairs.
	(mark_threaded_blocks, register_jump_thread): New functions.
	(thread_through_all_blocks): Remove unwanted argument.  No
	longer rely on e->aux to communicate thread target info.
	Call mark_threaded_blocks.  Release the threaded_blocks
	bitmap and threaded_edges vector when complete.
	* tree-ssa-dom.c (struct edge_info): Remove redirection_target field.
	(threaded_blocks): Remove.
	(tree_ssa_dominator_optimize): Remove initialization and
	finalization of threaded_blocks.  Simplify call to
	thread_through_all_blocks.
	(thread_across_edge): Call register_jump_thread rather than
	storing thread information into e->aux.
	(free_all_edge_infos): Simplify now that e->aux is no longer
	used to communicate with thread_through_all_blocks.
	* tree-flow.h (thread_through_all_blocks): Update prototype.
	(register_jump_thread): Prototype.

2006-01-11  Kazu Hirata  <kazu@codesourcery.com>

	* df-core.c (df_compact_blocks, df_bb_replace): Use
	SET_BASIC_BLOCK instead of BASIC_BLOCK.

2006-01-11  Richard Guenther  <rguenther@suse.de>

	PR tree-optimization/25734
	* tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Do not
	stop propagation after successful propagation to the LHS.

2006-01-11  Kazu Hirata  <kazu@codesourcery.com>

	* basic-block.h (control_flow_graph): Change the type of
	x_basic_block_info to VEC(basic_block,gc) *.
	(BASIC_BLOCK_FOR_FUNCTION, BASIC_BLOCK): Adjust the uses of
	basic_block_info.
	(SET_BASIC_BLOCK): New.
	* cfg.c (compact_blocks, expunge_block): Use SET_BASIC_BLOCK
	instead of BASIC_BLOCK when assigning to BASIC_BLOCK.
	* cfgbuild.c (find_basic_blocks): Likewise.
	* cfglayout.c (fixup_reorder_chain): Likewise.
	* cfgrtl.c (create_basic_block_structure,
	rtl_create_basic_block): Likewise.
	* ifcvt.c (find_if_case_1): Likewise.
	* tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb):
	Likewise.

2006-01-11  Kenneth Zadeck <zadeck@naturalbridge.com>

	* Makefile.in: Removed rotted odf.c entry.

2006-01-11  Hans-Peter Nilsson  <hp@axis.com>

	PR target/25706
	* config/cris/cris.md ("*extopqihi_side", "*extop<mode>si_side")
	("*extop<mode>si_swap_side_biap", "*extop<mode>si_swap_side",
	("*extopqihi", "*extop<mode>si", "*extop<mode>si_swap"): Use %E
	output pattern modifier, not %e.
	* config/cris/cris.c (cris_op_str): Update comment about pattern
	modifier.
	(cris_print_operand) <case 'e'>: Clear cris_output_insn_is_bound
	before falling through into...
	<case 'E'>: Redefined from old 'e' case.

2006-01-11  Jan Hubicka  <jh@suse.cz>

	PR target/25042
	* i386.c (ix86_init_mmx_sse_builtins): Do not delcare float128

2006-01-11  Jan Hubicka  <jh@suse.cz>

	* i386.h (TARGET_DECOMPOSE_LEA): Kill.
	* i386.c (x86_decompose_lea): Kill.
	(ix86_rtx_costs): Kill.

2006-01-11  Jan Hubicka  <jh@suse.cz>

	* cgraph.c (cgraph_insert_node_to_hashtable): New function.
	* cgraph.h (cgraph_node): Add inline_decl.
	(cgraph_insert_node_to_hashtable): Declare.
	(save_inline_function_body): Declare.
	* cgraphunit.c (verify_cgraph_node): Inline edges might point to inline
	clones.
	(cgraph_preserve_function_body_p): Do not presrve when dump is enabled.
	(cgraph_function_versioning): Update call of tree_function_versioning.
	(save_inline_function_body): New function.
	* function.h (struct function): Kill saved_eh, saved_cfg, saved_args,
	saved_static_chain_decl, saved_blocks and saved-unexpanded_var_list.
	* ipa-inline.c (cgraph_mark_inline_edge): Look for inline clones.
	(cgraph_default_inline_p): Likewise.
	(cgraph_decide_inlining_incrementally): Likewise.
	* tree-inline.c (inline_data): Kill saving_p add update_clones_p.
	(copy_bb): Kill saving; do updating of clones.
	(copy_cfg_body): Kill saving.
	(initialize_inlined-parameters): Likewise.
	(expand_call_inline): Likewise.
	(save_body): Kill.
	(tree_function_versioning): New parameter "update_clones".
	(inlining_p): Kill saving.
	* tree-inline.h (tree_function_versioning): Update prototype.
	* tree-optimize.c (tree_rest_of_compilation): Use clonning instead of
	saving.

2006-01-11  Ian Lance Taylor <ian@airs.com>

	* combine.c (struct undo): Remove is_int.  Enumify types of undos.
	Allow undoing set of machine mode.
	(do_SUBST): Use enums instead of is_int.
	(do_SUBST_MODE): New function.
	(SUBST_MODE): New macro.
	(try_combine): Use SUBST_MODE/PUT_MODE instead of generating a new
	reg and trying to replace reg_regno_rtx with a new register.
	(undo_all): Use new enums, handle undoing a PUT_MODE change.
	(simplify_set): Use SUBST_MODE.
	(distribute_notes): Remove code that tried to update reg notes
	for regno_reg_rtx changes.

2006-01-11  Paolo Bonzini  <bonzini@gnu.org>

	PR tree-optimization/23109
	PR tree-optimization/23948
	PR tree-optimization/24123

	* Makefile.in (tree-ssa-math-opts.o): Adjust dependencies.
	* tree-cfg.c (single_noncomplex_succ): New.
	* tree-flow.h (single_noncomplex_succ): Declare it.
	* tree-ssa-math-opts.c (enum place_reciprocal): Remove.
	* tree-ssa-math-opts.c (enum place_reciprocal): Remove.
	(struct occurrence, occ_head, occ_pool, is_divide_by, compute_merit,
	insert_bb, register_division_in, insert_reciprocals,
	replace_reciprocal, free_bb): New.
	(execute_cse_reciprocals_1): Rewritten.
	(execute_cse_reciprocals): Adjust calls to execute_cse_reciprocals_1.
	Do not commit any edge insertion.  Always compute dominators and
	create the allocation pool.
	* target-def.h (TARGET_MIN_DIVISIONS_FOR_RECIP_MUL): New.
	* target.h (struct gcc_target): Add min_divistions_for_recip_mul.
	* targhooks.c (default_min_divistions_for_recip_mul): New.
	* targhooks.h (default_min_divistions_for_recip_mul): New prototype.
	* passes.c (init_optimization_passes): Run recip after tree loop
	optimizations.
	* doc/tm.texi (Misc): Document TARGET_MIN_DIVISIONS_FOR_RECIP_MUL.

2006-01-11  Danny Berlin <dberlin@dberlin.org>
	    Kenneth Zadeck <zadeck@naturalbridge.com>

	* df.h (DF_SCAN, DF_RU, DF_RD, DF_LR, DF_UR, DF_UREC, DF_CHAIN,
	DF_RI, DF_LAST_PROBLEM_PLUS1, DF_DU_CHAIN, DF_UD_CHAIN,
	DF_REF_TYPE_NAMES, DF_HARD_REGS, DF_EQUIV_NOTES, DF_SUBREGS,
	DF_SCAN_BB_INFO, DF_RU_BB_INFO, DF_RD_BB_INFO, DF_LR_BB_INFO,
	DF_UR_BB_INFO, DF_UREC_BB_INFO, DF_LIVE_IN, DF_LIVE_OUT,
	DF_RA_LIVE_IN, DF_RA_LIVE_OUT, DF_UPWARD_LIVE_IN,
	DF_UPWARD_LIVE_OUT, DF_REF_REAL_REG, DF_REF_REGNO,
	DF_REF_REAL_LOC, DF_REF_REG, DF_REF_LOC, DF_REF_BB, DF_REF_BBNO,
	DF_REF_INSN, DF_REF_INSN_UID, DF_REF_TYPE, DF_REF_CHAIN,
	DF_REF_ID, DF_REF_FLAGS, DF_REF_NEXT_REG, DF_REF_PREV_REG,
	DF_REF_NEXT_REF, DF_REF_DATA, DF_REF_REG_DEF_P, DF_REF_REG_USE_P,
	DF_REF_REG_MEM_STORE_P, DF_REF_REG_MEM_LOAD_P, DF_REF_REG_MEM_P,
	DF_DEFS_SIZE, DF_DEFS_GET, DF_DEFS_SET, DF_USES_SIZE, DF_USES_GET,
	DF_USES_SET, DF_REG_SIZE, DF_REG_DEF_GET, DF_REG_DEF_SET,
	DF_REG_USE_GET, DF_REG_USE_SET, DF_REGNO_FIRST_DEF,
	DF_REGNO_LAST_USE, DF_INSN_SIZE, DF_INSN_GET, DF_INSN_SET,
	DF_INSN_CONTAINS_ASM, DF_INSN_LUID, DF_INSN_DEFS, DF_INSN_USES,
	DF_INSN_UID_GET, DF_INSN_UID_LUID, DF_INSN_UID_DEFS,
	DF_INSN_UID_USES, DF_SCAN_INITIAL, DF_SCAN_GLOBAL,
	DF_SCAN_POST_ALLOC): New macros.
	(df_flow_dir, df_ref_type, df_ref_flags, df_alloc_function,
	df_free_bb_function, df_local_compute_function, df_init_function,
	df_dataflow_function, df_confluence_function_0,
	df_confluence_function_n, df_transfer_function,
	df_finalizer_function, df_free_function, df_dump_problem_function,
	df_problem, dataflow, df_insn_info, df_reg_info, df_ref, df_link,
	df_ref_info, df, df_map, df_scan_bb_info, df_ru_bb_info,
	df_ru_bb_info, df_rd_bb_info, df_lr_bb_info, df_ur_bb_info,
	df_urec_bb_info, ) New types.
	(df_invalidated_by_call, df_all_hard_regs, df_state) New public
	variables.
	(df_init, df_add_problem, df_set_blocks, df_finish, df_analyze,
	df_analyze_simple_change_some_blocks,
	df_analyze_simple_change_one_block, df_compact_blocks,
	df_bb_replace, df_bb_regno_last_use_find,
	df_bb_regno_first_def_find, df_bb_regno_last_def_find,
	df_insn_regno_def_p, df_find_def, df_find_use,
	df_iterative_dataflow, df_dump, df_chain_dump, df_refs_chain_dump,
	df_regs_chain_dump, df_insn_debug, df_insn_debug_regno,
	df_regno_debug, df_ref_debug, debug_df_insn, debug_df_regno,
	debug_df_reg, debug_df_defno, debug_df_useno, debug_df_ref,
	debug_df_chain, df_get_dependent_problem, df_chain_create,
	df_chain_unlink, df_chain_copy, df_get_live_in, df_get_live_out,
	df_grow_bb_info, df_chain_dump, df_print_bb_index,
	df_ru_add_problem, df_ru_get_bb_info, df_rd_add_problem,
	df_rd_get_bb_info, df_lr_add_problem, df_lr_get_bb_info,
	df_ur_add_problem, df_ur_get_bb_info, df_urec_add_problem,
	df_urec_get_bb_info, df_chain_add_problem, df_ri_add_problem,
	df_reg_lifetime, df_scan_get_bb_info, df_scan_add_problem,
	df_rescan_blocks, df_ref_create, df_get_artificial_defs,
	df_get_artificial_uses, df_reg_chain_create, df_reg_chain_unlink,
	df_ref_remove, df_insn_refs_delete, df_refs_delete,
	df_reorganize_refs, df_set_state, df_hard_reg_init,
	df_read_modify_subreg_p) New public functions.
	* df-core.c: The core dataflow solver and glue routines for rtl
	dataflow.
	(df_init, df_add_problem, df_set_blocks, df_finish,
	df_hybrid_search_forward, df_hybrid_search_backward,
	df_iterative_dataflow, df_prune_to_subcfg, df_analyze_problem,
	df_analyze, df_get_bb_info, df_set_bb_info, df_bb_replace,
	df_bb_regno_last_use_find, df_bb_regno_first_def_find,
	df_bb_regno_last_def_find, df_insn_regno_def_p, df_find_def,
	df_reg_defined, df_find_use, df_reg_used, df_dump,
	df_refs_chain_dump, df_regs_chain_dump, df_insn_debug,
	df_insn_debug_regno, df_regno_debug, df_ref_debug, debug_df_insn,
	debug_df_reg, debug_df_regno, debug_df_ref debug_df_defno,
	debug_df_useno, reset_df_after_reload): New functions.
	* df-scan.c: The scanning fuctions, once in df.c, completely
	rewritten so that they now fully model the functionality of
	register usage at the backend.
	(df_scan_free_internal, df_scan_get_bb_info, df_scan_set_bb_info,
	df_scan_free_bb_info, df_scan_alloc, df_scan_free, df_scan_dump,
	df_scan_add_problem, df_grow_reg_info, df_grow_ref_info,
	df_grow_insn_info, df_rescan_blocks, df_ref_create,
	df_get_artificial_defs, df_get_artificial_uses,
	df_reg_chain_create, df_ref_unlink, df_reg_chain_unlink,
	df_ref_remove, df_insn_create_insn_record, df_insn_refs_delete,
	df_refs_delete, df_reorganize_refs, df_set_state,
	df_ref_create_structure, df_ref_record, df_read_modify_subreg_p,
	df_def_record_1, df_defs_record, df_uses_record,
	df_insn_contains_asm_1, df_insn_contains_asm, df_insn_refs_record,
	df_has_eh_preds, df_bb_refs_record, df_refs_record, df_mark_reg,
	df_record_exit_block_uses, df_hard_reg_init): New functions.

	* df-problems.c: Seven concrete dataflow problems that use the
	scanning in df-scan.c and are solved by the engine in df-core.c.
	(df_get_dependent_problem, df_chain_create, df_chain_unlink,
	df_chain_copy, df_get_live_in, df_get_live_out, df_grow_bb_info,
	df_chain_dump, df_print_bb_index, df_ref_bitmap, df_set_seen,
	df_unset_seen, df_ru_get_bb_info, df_ru_set_bb_info,
	df_ru_free_bb_info, df_ru_alloc,
	df_ru_bb_local_compute_process_def,
	df_ru_bb_local_compute_process_use, df_ru_bb_local_compute,
	df_ru_local_compute, df_ru_init_solution, df_ru_confluence_n,
	df_ru_transfer_function, df_ru_free, df_ru_dump,
	df_ru_add_problem, df_rd_get_bb_info, df_rd_set_bb_info,
	df_rd_free_bb_info, df_rd_alloc,
	df_rd_bb_local_compute_process_def, df_rd_bb_local_compute,
	df_rd_local_compute, df_rd_init_solution, df_rd_confluence_n,
	df_rd_transfer_function, df_rd_free, df_rd_dump,
	df_rd_add_problem, df_lr_get_bb_info, df_lr_set_bb_info,
	df_lr_free_bb_info, df_lr_alloc, df_lr_bb_local_compute,
	df_lr_local_compute, df_lr_init, df_lr_confluence_0,
	df_lr_confluence_n, df_lr_transfer_function, df_lr_free,
	df_lr_dump, df_lr_add_problem, df_ur_get_bb_info,
	df_ur_set_bb_info, df_ur_free_bb_info, df_ur_alloc,
	df_ur_bb_local_compute, df_ur_local_compute, df_ur_init,
	df_ur_local_finalize, df_ur_confluence_n, df_ur_transfer_function,
	df_ur_free, df_ur_dump, df_ur_add_problem, df_urec_get_bb_info,
	df_urec_set_bb_info, df_urec_free_bb_info, df_urec_alloc,
	df_urec_mark_reg_change, df_urec_check_earlyclobber,
	df_urec_mark_reg_use_for_earlyclobber,
	df_urec_mark_reg_use_for_earlyclobber_1, df_urec_bb_local_compute,
	df_urec_local_compute, df_urec_init, df_urec_local_finalize,
	df_urec_confluence_n, df_urec_transfer_function, df_urec_free,
	df_urec_dump, df_urec_add_problem, df_chain_alloc,
	df_chain_create_bb_process_use, df_chain_create_bb,
	df_chain_finalize, df_chain_free, df_chains_dump,
	df_chain_add_problem, df_ri_alloc, df_ri_bb_compute,
	df_ri_compute, df_ri_free, df_ri_dump, df_ri_add_problem,
	df_reg_lifetime): New functions.
	* df.c: Deleted file.
	* ddg.c (create_ddg_dep_no_link, build_inter_loop_deps): Made code
	consistent with new df api.
	* modulo-sched.c (sms_schedule, rest_of_handle_sms,
	rest_of_handle_sms): Ditto.
	* web.c (unionfind_union, union_defs, entry_register, web_main):
	Ditto.
	* loop_invariant.c (invariant_for_use, hash_invariant_expr_1,
	invariant_expr_equal_p, find_defs, check_dependencies,
	find_invariant_insn, find_invariants_to_move, move_invariant_reg,
	free_inv_motion_data, move_loop_invariants): Ditto.
	* Makefile.in (df.c, df-scan.c df-problems.c df-core.c):
	Update dependencies.
	(odf.c): Added defective entry that was deleted later in day.
	* sched-deps.c (sched_analyze_1): Ditto.

2006-01-11  Zdenek Dvorak <dvorakz@suse.cz>

	* tree-ssa-operands.c (get_expr_operands): Record addressable
	variables directly.  Do not call add_stmt_operands for CONST_DECLs
	and ARRAY_DECLs.
	(get_indirect_ref_operands): Remove handling of *(&a + offset) case.
	(add_stmt_operands): Handle only objects satisfying SSA_VAR_P.

2006-01-11  Ben Elliston  <bje@au.ibm.com>

	* config/i386/i386.c (ix86_return_in_memory): Fix comment: this
	function returns true in the positive case.

2006-01-10  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>

	PR target/20754
	* config/pa/pa.md: Create separate 32 and 64-bit move patterns
	for SI, DI, SF and DF modes.  Add alternatives to copy between
	general and floating point registers to the 32-bit patterns.
	* config/pa/pa-64.h (SECONDARY_MEMORY_NEEDED_RTX): Delete undefine.
	* config/pa/pa.h (SECONDARY_MEMORY_NEEDED_RTX): Delete define.
	(SECONDARY_MEMORY_NEEDED): Secondary memory is only needed when
	generating 64-bit code.
	* config/pa/pa.c (output_move_double): Handle copies between general
	and floating registers.

2006-01-10  Stuart Hastings  <stuart@apple.com>

	* config/i386/i386.md (set_got): Update.
	(set_got_labelled): New.  (UNSPEC_LD_MPIC): New.
	(builtin_setjmp_receiver): Mach-O support.
	* config/i386/darwin.h (TARGET_ASM_FILE_END) Define.
	(GOT_SYMBOL_NAME): Define.
	(FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN): New.
	(TARGET_DEEP_BRANCH_PREDICTION): Remove.
	* config/i386/i386.c (override_options): Revise for Darwin.
	(USE_HIDDEN_LINKONCE): Enable for Mach-O.  (ix86_file_end): Mach-O
	support.  (darwin_x86_file_end): New.  (output_set_got): Add label
	parameter, revise for Mach-O.  (x86_output_mi_thunk): Likewise.
	* config/i386/i386-protos.h (output_set_got): Likewise.
	* config/darwin.c (machopic_legitimize_pic_address): Update
	regs_ever_live[].

2006-01-10  Kaz Kojima  <kkojima@gcc.gnu.org>

	* config/sh/sh.h (SH5_WOULD_BE_PARTIAL_NREGS): Use GET_MODE_SIZE
	when MODE isn't BLKmode.

2006-01-10  Eric Botcazou  <ebotcazou@libertysurf.fr>

	PR rtl-optimization/25367
	* config/sparc/sparc.h (HARD_REGNO_RENAME_OK): New macro.

2006-01-10  Hans-Peter Nilsson  <hp@axis.com>

	PR target/25718
	* config/cris/cris.md ("uminsi3"): Don't use 8- or 16-bit sizes
	for a negative bound.

2006-01-10  Richard Guenther  <rguenther@suse.de>

	* tree-ssa-structalias.c (get_constraint_for_component_ref):
	Never override with anything constraint.

2006-01-10  Jan Beulich  <jbeulich@novell.com>

	* config/i386/i386.c (ix86_data_alignment): Don't force alignment to
	256 bits when optimize_size.

2006-01-10  Jan Beulich  <jbeulich@novell.com>

	* config/i386/netware.h (TARGET_SUBTARGET_DEFAULT): Include
	MASK_ALIGN_DOUBLE.
	* config/i386/nwld.h (LINK_SPEC): Add --extensions:GNU option.
	* config/i386/t-nwld (SHLIB_LINK): Insert spaces between expr
	arguments.

2006-01-10  Ben Elliston  <bje@au.ibm.com>

	* config/rs6000/predicates.md (easy_fp_constant): Discount decimal
	float modes.
	* config/rs6000/rs6000.c (rs6000_scalar_mode_supported_p): New.
	(TARGET_SCALAR_MODE_SUPPORTED_P): Define.
	(USE_FP_FOR_ARG): Reject decimal float modes.
	(function_arg_advance): Likewise.
	(output_toc): Handle emitting TDmode, DDmode and SDmode constants.
	(rs6000_handle_altivec_attribute): Do not permit decimal floating
	point types in AltiVec vectors.
	(rs6000_function_value): Use GP_ARG_RETURN for decimal floats.
	(rs6000_libcall_value): Likewise.

2006-01-09  Bob Wilson  <bob.wilson@acm.org>

	* config/xtensa/ieee754-df.S: New file.
	* config/xtensa/ieee754-sf.S: New file.
	* config/xtensa/t-xtensa (LIB2FUNCS_EXTRA): Remove fp-bit.c & dp-bit.c.
	(LIB1ASMFUNCS): Add SFmode and DFmode floating-point functions.
	* config/xtensa/lib1funcs.asm: Include ieee754-df.S and ieee754-sf.S.

2006-01-09  Kazu Hirata  <kazu@codesourcery.com>

	* config/sh/predicates.md (binary_float_operator,
	binary_logical_operator, commutative_float_operator,
	equality_comparison_operator, greater_comparison_operator,
	less_comparison_operator, logical_operator,
	noncommutative_float_operator, shift_operator,
	symbol_ref_operand, unary_float_operator): Remove redundant
	conditionals.

2006-01-09  Jeff Law  <law@redhat.com>

	* tree-ssa-dom.c (simplify_cond_and_lookup_avail_expr): Remove
	code to propagate the RHS of a cast into COND_EXPR_COND.  Remove
	now unused arguments.  Callers updated.
	(eliminate_redundant_computations): Remove now unused arguments,
	callers updated.
	(local_fold): Remove, no longer used.
	(find_equivalent_equality_comparison): Removed from tree-ssa-dom.c
	and moved to...
	* tree-ssa-forwprop.c (find_equivalent_equality_comparison): Here.
	(simplify_cond): New function.
	(forward_propagate_into_cond): Call simplify_cond.

2006-01-09  Alexandre Oliva  <aoliva@redhat.com>

	* config/i386/sse.md (*vec_extractv2di_1_sse2): New.
	(*vec_extractv2di_1_sse): New.

2006-01-09  Ben Elliston  <bje@au.ibm.com>

	* config/rs6000/rs6000.h (GO_IF_LEGITIMATE_ADDRESS): Typo fix.

2006-01-08  Richard Guenther  <rguenther@suse.de>

	* tree-ssa-structalias.c (get_constraint_for): Remove
	anyoffset argument.
	(get_constraint_for_component_ref): Likewise.
	(do_deref): Likewise.
	(get_constraint_for): Likewise.
	(do_structure_copy): Likewise.
	(handle_ptr_arith): Likewise.
	(find_func_aliases): Likewise.  Remove unused need_anyoffset
	variable.

2006-01-08  J"orn Rennecke  <joern.rennecke@st.com>
	    Kaz Kojima  <kkojima@gcc.gnu.org>

	* config/sh/sh.h (CONST_OK_FOR_K16): Define.
	(CONST_OK_FOR_K): Add CONST_OK_FOR_K16 case.
	(EXTRA_CONSTRAINT_C16): Remove.
	(EXTRA_CONSTRAINT_Css, EXTRA_CONSTRAINT_Csu): Define.
	(EXTRA_CONSTRAINT_C): Remove EXTRA_CONSTRAINT_C16 case and add
	EXTRA_CONSTRAINT_Css and EXTRA_CONSTRAINT_Csu cases.
	* config/sh/sh.c (print_operand): Handle unsigned 16-bit symbolic
	constants of SHmedia.  Handle nested constant expressions of
	SHmedia correctly.
	(andcosts): Fix the costs for SHmedia constants.
	(sh_rtx_costs): Take account of outer_code for SHmedia constants.
	* config/sh/sh.md (*movsi_media): Use Css constraint instead of C16.
	(*movsi_media_nofpu, *movqi_media, *movhi_media): Likewise.
	(*movdi_media, *movdi_media_nofpu, movv8qi_i, movv2hi_i): Likewise.
	(movv4hi_i, movv2si_i):	Likewise.
	(movsi_const): Adjust the second operand of ior so to match with
	the Csu constraint.
	(movdi_const, movdi_const_32bit): Likewise.
	(movdi_const_16bit+1): Don't sign-extend LOW.
	(movdi_const_16bit+2): Likewise.  Remove the zero_extend and truncate
	step.
	(*double_shori): Fix the split condition.  Use GEN_INT instead
	of get_int_mode calls.  Mask lower 16-bit of the argument of
	the last GEN_INT.
	(sym2GOTPLT): Remove.
	(symGOTPLT2reg): Replace gen_sym2GOTPLT with gen_rtx_CONST and
	gen_rtx_UNSPEC.
	* config/sh/predicates.md (arith_operand): Use EXTRA_CONSTRAINT_Css
	instead of EXTRA_CONSTRAINT_C16.

2006-01-07  Ian Lance Taylor  <ian@airs.com>
	    David Edelsohn  <edelsohn@gnu.org>

	PR rtl-optimization/25662
	* optabs.c (simplify_expand_binop): Use simplify_binary_operation
	for constant operands instead of simplify_gen_binary.
	* simplify-rtx.c (simplify_gen_binary): Swap commutative operands
	after trying simplify_binary_operation

2006-01-06  Daniel Berlin  <dberlin@dberlin.org>

	* tree.c (iterative_hash_expr): Hash decls based on UID.

2006-01-06  Eric Christopher  <echristo@apple.com>

	* doc/tm.texi (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): Document.
	(TARGET_UNWIND_EMIT): Fix spelling.
	* target.h (gcc_target): Add except_table_label.
	* except.c (output_function_exception_table): Use.
	* varasm.c (default_emit_except_table_label): New.
	* target-def.h (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): New default
	define.
	(asm_out): Add here.
	* output.h (default_emit_except_table_label): Prototype.
	* config/darwin-protos.h (darwin_emit_except_table_label): Ditto.
	* config/darwin.c (darwin_emit_except_table_label): Define.
	* config/darwin.h (TARGET_ASM_EMIT_EXCEPT_TABLE): Ditto.

2006-01-06  Zdenek Dvorak <dvorakz@suse.cz>

	PR tree-optimization/18527
	* tree-ssa-loop-niter.c (number_of_iterations_cond,
	number_of_iterations_special, number_of_iterations_exit):
	Move base and step of an iv to a single structure.  Add
	no_overflow flag, and use it in # of iterations analysis.
	* tree-scalar-evolution.c (analyze_scalar_evolution_in_loop): Add
	folded_casts argument.
	(simple_iv): Pass base and step in a structure.  Set no_overflow
	flag.
	(scev_const_prop): Add argument to analyze_scalar_evolution_in_loop.
	Evaluate expensiveness of computing # of iterations instead of
	the final expression.
	* tree-scalar-evolution.h (affine_iv): New structure.
	(simple_iv): Declaration changed.
	* tree-chrec.c (chrec_apply): Handle chrecs containing symbols.
	* tree-ssa-loop-ivopts.c (determine_biv_step, find_givs_in_stmt_scev,
	find_givs_in_stmt): Changed due to simple_iv change.

2006-01-06  Jeff Law  <law@redhat.com>

	PR ada/24994
	* tree-cfg.c (bsi_replace): Rename final argument from
	PRESERVE_EH_INFO to UPDATE_EH_INFO.  Fix typo in last
	change (stmt -> orig_stmt).
	* tree-eh.c (verify_eh_throw_stmt_node): New function.
	(bsi_remove): Add new argument.  Remove EH information
	if requested.
	(verify_eh_throw_table_statements): New function.
	(bsi_remove): Add new argument REMOVE_EH_INFO.  All callers
	updated.
	* tree-optimize.c (execute_free_cfg_annotations): Verify
	the EH throw statement table after removing annotations.
	* except.h (verify_eh_throw_table_statements): Prototype.
	* tree-flow.h (bsi_remove): Update prototype.
	* tree-vrp.c (remove_range_assertions): Add new argument to
	bsi_remove call.
	* tree-ssa-loop-im.c (move_computations_stmt): Likewise.
	* tree-complex.c (expand_complex_div_wide): Likewise.
	* tree-ssa-threadupdate.c (remove_ctrl_stmt_and_useless_edges): Likewise
	* tree-tailcall.c (eliminate_tailcall): Likewise.
	* tree-ssa-dse.c (dse_optimize_stmt): Likewise.
	* tree-ssa-loop-ivopts.c (remove_statement): Likewise.
	* tree-nrv.c (tree_nrv): Likewise.
	* tree-vectorizer.c (slpeel_make_loop_iterate_ntimes): Likewise.
	* tree-if-conv.c (tree_if_convert_cond_expr): Likewise.
	(combine_blocks): Likewise.
	* tree-ssa-phiopt.c (replace_phi_edge_with_variable): Likewise.
	* tree-cfgcleanup.c (cleanup_ctrl_expr_graph): Likewise.
	(cleanup_control_flow): Likewise.
	(remove_forwarder_block): Likewise.
	* tree-ssa-pre.c (remove_dead_inserted_code): Likewise.
	* tree-sra.c (sra_replace): Likewise.
	* tree-ssa-forwprop.c (forward_propagate_into_cond): Likewise.
	(forward_propagate_single_use_vars): Likewise.
	* tree-ssa-dce.c (remove_dead_stmt): Likewise.
	* tree-inline.c (expand_call_inline): Likewise.
	* tree-vect-transform.c (vect_transform_loop): Likewise.
	* tree-outof-ssa.c (rewrite_trees): Likewise.
	* tree-cfg.c (make_goto_expr_edges): Likewise.
	(cleanup_dead_labels): Likewise.
	(tree_merge_blocks, remove_bb, disband_implicit_edges): Likewise.
	(bsi_move_before, bsi_move_after): Likewise.
	(bsi_move_to_bb_end, try_redirect_by_replacing_jump): Likewise
	(tree_redirect_edge_and_branch, tree_split_block): Likewise.

2006-01-06  Andrew Pinski  <pinskia@physics.uc.edu>

	PR tree-opt/25528
	* tree-ssa-alias.c (find_used_portions): Handle REALPART_EXPR
	and IMAGPART_EXPR.
	* tree-flow-inline.h (var_can_have_subvars): Handle complex types
	on non gimple variables.  Also add checks at the top for decls and
	mtags.
	* tree-ssa-structalias.c (push_fields_onto_fieldstack): Handle
	complex types.
	* tree-ssa-operands.c (parse_ssa_operands): Handle REALPART_EXPR
	and IMAGPART_EXPR for creating MUST_DEFs.
	(get_expr_operands): Handle SSA_NAME, STRUCT_FIELD_TAG, TYPE_MEMORY_TAG,
	and NAME_MEMORY_TAG separately from the DECLs.

2006-01-06  Richard Guenther  <rguenther@suse.de>

	* tree-dfa.c (mark_new_vars_to_rename): Create stmt
	annotation, if necessary.
	* tree-ssa-pre.c (create_expression_by_pieces): Remove
	redundant calls to update_stmt.
	* tree-ssa-forwprop.c (tidy_after_forward_propagate_addr):
	Likewise.

2006-01-05  Richard Henderson  <rth@redhat.com>

	* c-parser.c (c_parser_objc_methodprotolist): Handle CPP_PRAGMA.

2006-01-05  Carlos O'Donell  <carlos@codesourcery.com>

	* c-typeck.c: Update copyright date.

2006-01-05  Carlos O'Donell  <carlos@codesourcery.com>

	* c-typeck.c (build_c_cast): Always warn when casting
	from a pointer to an integer of different size, even if
	the node was constant.

2006-01-05  Richard Guenther  <rguenther@suse.de>

	PR tree-optimization/22555
	* tree-ssa-alias.c (create_overlap_variables_for): Do not give up,
	if one structure field is an array.
	* tree-ssa-operands.c (get_expr_operands): Continue scanning
	operands even if we found a subvar, but ignore VOPs in this
	case.
	* tree-ssa-loop-ivopts.c (rewrite_use): Mark new vars in stmt
	for renaming.
	* tree-ssa-loop.c (pass_iv_optimize): Schedule TODO_update_ssa.

2006-01-05  Richard Earnshaw  <rearnsha@arm.com>

	PR middle-end/24998
	* arm/t-netbsd (LIB2FUNCS_EXTRA): Define.

2006-01-05  Richard Guenther  <rguenther@suse.de>
	    Diego Novillo  <dnovillo@redhat.com>

	* tree-pass.h (TODO_remove_unused_locals): Define.
	* gimple-low.c (expand_var_p, remove_useless_vars,
	pass_remove_useless_vars): Remove.  Update all users.
	* tree-ssa-live.c (mark_all_vars_used_1): Handle SSA names.
	(remove_unused_locals): New function.
	* tree-flow.h (remove_unused_locals): Declare.
	* passes.c (execute_todo): Call remove_unused_locals if
	TODO_remove_unused_locals is set.
	* tree-into-ssa.c (pass_build_ssa): Add TODO_remove_unused_locals.
	* tree-ssa-dce.c (pass_dce): Likewise.
	* tree-outof-ssa.c (pass_del_ssa): Likewise.

2006-01-05  Richard Guenther  <rguenther@suse.de>

	* tree-flow.h (struct fieldoff): Decompose field to
	type, size and decl.
	* tree-ssa-alias.c (create_sft): Take type as parameter.
	(create_overlap_variables_for): Store type, size and decl
	in the fieldoff structure.
	* tree-ssa-structalias.c (fieldoff_compare): Adjust users
	of struct fieldoff.
	(push_fields_onto_fieldstack): Likewise.
	(create_variable_info_for): Likewise.  Use offset for the
	SFT name if the decl is not available.

2006-01-04  Paul Brook  <paul@codesourcery.com>

	* config/m68k/m68k.c (m68k_output_mi_thunk): Use jmp, not jsr.

2006-01-04  Daniel Berlin  <dberlin@dberlin.org>

	* lambda-code.c (can_put_in_inner_loop): Relax
	restrictions.
	(can_put_after_inner_loop): New function.
	(can_convert_to_perfect_nest): Use can_put_after_inner_loop as well.
	(perfect_nestify): Change to make copies and modify uses.

2006-01-04  Richard Henderson  <rth@redhat.com>

	Merge from gomp branch:
	* c-lex.c (c_lex_with_flags) <CPP_PRAGMA>: Smuggle pragma id
	via integer constant.
	(pragma_lex): Remove.
	* c-pch.c (c_common_pch_pragma): Accept the name as an argument,
	rather than parsing it.
	* c-pragma.c (handle_pragma_weak, handle_pragma_redefine_extname,
	handle_pragma_extern_prefix): Add %< %> quotes.
	(registered_pragmas): New.
	(c_register_pragma_1): New.
	(c_register_pragma): Use it.
	(c_register_pragma_with_expansion): Likewise.
	(c_invoke_pragma_handler): New.
	(init_pragma): Use cpp_register_deferred_pragma directly for
	pch_preprocess.
	* c-pragma.h (enum pragma_kind): New.
	(pragma_handler): New.
	(c_invoke_pragma_handler): Declare.
	* c-common.c (c_parse_error): Pretty print CPP_PRAGMA and
	CPP_PRAGMA_EOL.
	* c-common.h (c_common_pch_pragma): Update decl.
	* Makefile.in (c-parser.o): Update dependencies.
	(GTFILES): Add c-pragma.h.
	* c-parser.c (struct c_token): Add pragma_kind.
	(struct c_parser): Add in_pragma.
	(c_lex_one_token): Always initialize keyword and pragma_kind.
	Extract data for CPP_PRAGMA.
	(c_parser_peek_2nd_token): Deny CPP_PRAGMA_EOL.
	(c_parser_consume_token): Don't allow CPP_PRAGMA unless errors.
	Don't allow CPP_PRAGMA_EOL if in_pragma.
	(c_parser_consume_pragma): New.
	(c_parser_skip_until_found): Stop on CPP_PRAGMA_EOL.
	(c_parser_skip_to_end_of_parameter): Likewise.
	(c_parser_skip_to_end_of_block_or_statement): Likewise.
	(c_parser_skip_to_pragma_eol): New.
	(c_parser_external_declaration): Handle CPP_PRAGMA.
	(c_parser_compound_statement_nostart): Likewise.
	(c_parser_statement_after_labels): Likewise.
	(c_parser_pragma): New.
	(pragma_lex): Likewise.
	(c_parser_pragma_pch_preprocess): New.
	(c_parser_new): Merge into ...
	(c_parse_file): ... here.  Call c_parser_pragma_pch_preprocess.

2006-01-04  Jeff Law  <law@redhat.com>

	PR ada/24994
	* tree-cfg.c (bsi_replace): Remove the original statement
	from the EH throw statement table.

2006-01-04  Jakub Jelinek  <jakub@redhat.com>

	* config/i386/pmm_malloc.h (posix_memalign): If __cplusplus,
	make the prototype extern "C" and add throw ().

	PR target/25554
	* config/i386/i386.md (testqi_ext_3): Ensure len is positive
	and pos non-negative and pos + len <= 32.
	(testqi_ext_3_rex64): Ensure len is positive and pos non-negative,
	drop pos + len < HOST_BITS_PER_WIDE_INT test.
	(testqi_ext_3* splitter): Handle pos + len == HOST_BITS_PER_WIDE_INT.

	PR c/25559
	* c-common.c (handle_vector_size_attribute): Reject zero vector size
	as well as sizes not multiple of component size.

	PR debug/25562
	* function.c (instantiate_expr): New function.
	(instantiate_decls_1, instantiate_decls): If DECL_HAS_VALUE_EXPR_P,
	walk its DECL_VALUE_EXPR with instantiate_expr.

	* dwarf2out.c (loc_descriptor_from_tree_1): Don't add
	DW_OP_deref{,_size} if address isn't going to be added.

2006-01-04  Ben Elliston  <bje@au.ibm.com>

	* config/fp-bit.h: Use top-of-file comment from libgcc2.c.
	* config/fp-bit.c: Likewise.

2006-01-03  Daniel Berlin  <dberlin@dberlin.org>

	* dominance.c: Add comment about why we use DFS numbering
	of dominance tree.

2006-01-03  Jakub Jelinek  <jakub@redhat.com>
	    Richard Henderson  <rth@redhat.com>

	Merge from gomp-branch:
	* varasm.c (assemble_variable): Handle thread-local COMMON data.
	* defaults.h (ASM_OUTPUT_TLS_COMMON): Define.

2006-01-03  Paolo Bonzini  <bonzini@gnu.org>

	PR rtl-optimization/25578
	* combine.c (combine_simplify_rtx, force_to_mode): Don't
	pass a parameter to simplify_shift_const if changing ASHIFTRT
	to LSHIFTRT.

2006-01-03  Adrian Straetling  <straetling@de.ibm.com>

	* builtins.c (get_builtin_sync_mem): New function.
	(expand_builtin_sync_operation, expand_builtin_compare_and_swap,
	expand_builtin_lock_test_and_set, expand_builtin_lock_release):
	Call get_builtin_sync_mem to generate mem rtx.

2006-01-03  Richard Guenther  <rguenther@suse.de>

	PR c/25183
	* stmt.c (add_case_node): Make sure to clear overflow flags
	from ranges.

2006-01-03  Jakub Jelinek  <jakub@redhat.com>

	Merge from gomp-branch.
	* config/sparc/sync.md: New file.
	* config/sparc/sparc.md (UNSPECV_MEMBAR, UNSPECV_CAS, UNSPECV_SWAP,
	UNSPECV_LDSTUB): New constants.
	* config/sparc/sparc.c (sparc_expand_compare_and_swap_12): New function.
	* config/sparc/predicates.md (memory_reg_operand): New predicate.
	* config/sparc/sparc-protos.h (sparc_expand_compare_and_swap_12): New
	prototype.

2006-01-03  Roger Sayle  <roger@eyesopen.com>

	* combine.c (reg_subword_p): New predicate to test whether the
	destination of a set refers to a subword/piece of a register.
	(try_combine): Generalize the code to merge the setting of a
	pseudo to a constant followed by a set of a subword of that
	register to a constant.

2006-01-03  Kazu Hirata  <kazu@codesourcery.com>

	* basic-block.h (control_flow_graph): Change the type of
	x_label_to_block_map to VEC(basic_block,gc) *.
	* tree-cfg.c (init_empty_tree_cfg, label_to_block_fn,
	set_bb_for_stmt): Adjust the uses of x_label_to_block_map.

	* tree-ssa-propagate.c (cfg_blocks): Change the type to
	VEC(basic_block,heap) *.
	(cfg_blocks_add, cfg_blocks_get, ssa_prop_init,
	ssa_prop_fini): Adjust the uses of cfg_blocks.

2006-01-03  Steven Bosscher  <stevenb.gcc@gmail.com>

	* fold-const.c (operand_equal_p): Accept a NULL operand 0 for
	COMPONENT_REFs.
	* emit-rtl.c (mem_attrs_htab_eq): Use iterative_hash_expr for
	hashing trees instead of a pointer hash.
	(mem_attrs_htab_eq): Do a deep compare instead of a pointer
	compare for MEM_EXPR.

	PR rtl-optimization/25130
	* cse.c (exp_equiv_p): Compare MEM_ATTRS instead of MEM_ALIAS_SET
	when comparing MEMs for GCSE

2006-01-03  Ben Elliston  <bje@au.ibm.com>

	* targhooks.h (default_decimal_float_supported_p): Declare.
	* targhooks.c (default_decimal_float_supported_p): Define.
	* target-def.h (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Redefine to
	`default_decimal_float_supported_p'.
	* doc/tm.texi (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Update.

2006-01-02  Adam Nemet  <anemet@caviumnetworks.com>

	* combine.c (apply_distributive_law <SUBREG>): Check
	TRULY_NOOP_TRUNCATION.

2006-01-02  Geoffrey Keating  <geoffk@apple.com>

	* dwarf2out.c (have_switched_text_section): Delete.
	(have_multiple_function_sections): New.
	(have_location_lists): Make 'bool'.
	(add_AT_loc_list): Use 'true' not '1'.
	(dwarf2out_switch_text_section): Set have_multiple_function_sections.
	(output_loc_list): Use have_multiple_function_sections.
	(output_ranges): Likewise.
	(dwarf2out_begin_function): Set have_multiple_function_sections if
	necessary.
	(dwarf2out_source_line): Don't fake separate_line_info_table_in_use.
	Check function_section rather than DECL_SECTION_NAME.
	(dwarf2out_finish): Use have_multiple_function_sections.
	Don't clear have_location_lists.

2006-01-02  Eric Botcazou  <ebotcazou@adacore.com>
	    Jan Hubicka  <jh@suse.cz>

	* cfglayout.c (fixup_reorder_chain): Remove kludge for the
	case of conditional jump jumping to the next instruction.
	* cfgrtl.c (force_nonfallthru_and_redirect): Accept all
	cases of conditional jump jumping to the next instruction.

2006-01-02  Jan Hubicka  <jh@suse.cz>

	* i386.c (*_cost): Add COSTS_N_INSNS.
	(ix86_rtx_costs): Do not use COSTS_N_INSNS.

2006-01-02  Paolo Bonzini  <bonzini@gnu.org>

	PR target/25259
	* Makefile.in (DECNUMINC): Include libdecnumber's build directory.

2006-01-02  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>

	* config/arm/arm.c (all_fpus): Fix comment typo.
	* config/darwin.c: Likewise.
	* config/frv/frv.h (FRV_STRUCT_VALUE_REGNUM): Likewise.
	* config/h8300/h8300.md (extendqisi2_h8300hs): Likewise.
	* config/m68hc11/m68hc11.c (m68hc11_reload_operands): Likewise.

2006-01-01  David Edelsohn  <edelsohn@gnu.org>

	* config/rs6000/rs6000.c (rs6000_expand_compare_and_swapqhi): New.
	(rs6000_split_compare_and_swapqhi): New.
	* config/rs6000/sync.md (sync_compare_and_swap{hi,qi}): New.
	(sync_compare_and_swapqhi_internal): New.
	* config/rs6000/rs6000-protos.h: Declare.