[gcc]

2016-05-23  Michael Meissner  <meissner@linux.vnet.ibm.com>

	PR target/71201
	* config/rs6000/altivec.md (altivec_vperm_<mode>_internal): Drop
	ISA 3.0 xxperm fusion alternative.
	(altivec_vperm_v8hiv16qi): Likewise.
	(altivec_vperm_<mode>_uns_internal): Likewise.
	(vperm_v8hiv4si): Likewise.
	(vperm_v16qiv8hi): Likewise.

[gcc/testsuite]
2016-05-23  Michael Meissner  <meissner@linux.vnet.ibm.com>
	    Kelvin Nilsen  <kelvin@gcc.gnu.org>

	* gcc.target/powerpc/p9-permute.c: Run test on big endian as well
	as little endian.


[gcc]
2016-05-23  Michael Meissner  <meissner@linux.vnet.ibm.com>
	    Kelvin Nilsen  <kelvin@gcc.gnu.org>

	* config/rs6000/rs6000.c (rs6000_expand_vector_set): Generate
	vpermr/xxpermr on ISA 3.0.
	(altivec_expand_vec_perm_le): Likewise.
	* config/rs6000/altivec.md (UNSPEC_VPERMR): New unspec.
	(altivec_vpermr_<mode>_internal): Add VPERMR/XXPERMR support for
	ISA 3.0.



git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@236617 138bc75d-0d04-0410-961f-82ee72b054a4

1 files changed, 44 insertions, 35 deletions

diff --git a/gcc/config/rs6000/altivec.md b/gcc/config/rs6000/altivec.md
index e94aec39d73..14fed06f024 100644
--- a/gcc/config/rs6000/altivec.md
+++ b/gcc/config/rs6000/altivec.md
@@ -58,6 +58,7 @@
    UNSPEC_VSUM2SWS
    UNSPEC_VSUMSWS
    UNSPEC_VPERM
+   UNSPEC_VPERMR
    UNSPEC_VPERM_UNS
    UNSPEC_VRFIN
    UNSPEC_VCFUX
@@ -1952,32 +1953,30 @@
 
 ;; Slightly prefer vperm, since the target does not overlap the source
 (define_insn "*altivec_vperm_<mode>_internal"
-  [(set (match_operand:VM 0 "register_operand" "=v,?wo,?&wo")
-	(unspec:VM [(match_operand:VM 1 "register_operand" "v,0,wo")
-		    (match_operand:VM 2 "register_operand" "v,wo,wo")
-		    (match_operand:V16QI 3 "register_operand" "v,wo,wo")]
+  [(set (match_operand:VM 0 "register_operand" "=v,?wo")
+	(unspec:VM [(match_operand:VM 1 "register_operand" "v,0")
+		    (match_operand:VM 2 "register_operand" "v,wo")
+		    (match_operand:V16QI 3 "register_operand" "v,wo")]
 		   UNSPEC_VPERM))]
   "TARGET_ALTIVEC"
   "@
    vperm %0,%1,%2,%3
-   xxperm %x0,%x2,%x3
-   xxlor %x0,%x1,%x1\t\t# xxperm fusion\;xxperm %x0,%x2,%x3"
+   xxperm %x0,%x2,%x3"
   [(set_attr "type" "vecperm")
-   (set_attr "length" "4,4,8")])
+   (set_attr "length" "4")])
 
 (define_insn "altivec_vperm_v8hiv16qi"
-  [(set (match_operand:V16QI 0 "register_operand" "=v,?wo,?&wo")
-	(unspec:V16QI [(match_operand:V8HI 1 "register_operand" "v,0,wo")
-   	               (match_operand:V8HI 2 "register_operand" "v,wo,wo")
-		       (match_operand:V16QI 3 "register_operand" "v,wo,wo")]
+  [(set (match_operand:V16QI 0 "register_operand" "=v,?wo")
+	(unspec:V16QI [(match_operand:V8HI 1 "register_operand" "v,0")
+   	               (match_operand:V8HI 2 "register_operand" "v,wo")
+		       (match_operand:V16QI 3 "register_operand" "v,wo")]
 		   UNSPEC_VPERM))]
   "TARGET_ALTIVEC"
   "@
    vperm %0,%1,%2,%3
-   xxperm %x0,%x2,%x3
-   xxlor %x0,%x1,%x1\t\t# xxperm fusion\;xxperm %x0,%x2,%x3"
+   xxperm %x0,%x2,%x3"
   [(set_attr "type" "vecperm")
-   (set_attr "length" "4,4,8")])
+   (set_attr "length" "4")])
 
 (define_expand "altivec_vperm_<mode>_uns"
   [(set (match_operand:VM 0 "register_operand" "")
@@ -1995,18 +1994,17 @@
 })
 
 (define_insn "*altivec_vperm_<mode>_uns_internal"
-  [(set (match_operand:VM 0 "register_operand" "=v,?wo,?&wo")
-	(unspec:VM [(match_operand:VM 1 "register_operand" "v,0,wo")
-		    (match_operand:VM 2 "register_operand" "v,wo,wo")
-		    (match_operand:V16QI 3 "register_operand" "v,wo,wo")]
+  [(set (match_operand:VM 0 "register_operand" "=v,?wo")
+	(unspec:VM [(match_operand:VM 1 "register_operand" "v,0")
+		    (match_operand:VM 2 "register_operand" "v,wo")
+		    (match_operand:V16QI 3 "register_operand" "v,wo")]
 		   UNSPEC_VPERM_UNS))]
   "TARGET_ALTIVEC"
   "@
    vperm %0,%1,%2,%3
-   xxperm %x0,%x2,%x3
-   xxlor %x0,%x1,%x1\t\t# xxperm fusion\;xxperm %x0,%x2,%x3"
+   xxperm %x0,%x2,%x3"
   [(set_attr "type" "vecperm")
-   (set_attr "length" "4,4,8")])
+   (set_attr "length" "4")])
 
 (define_expand "vec_permv16qi"
   [(set (match_operand:V16QI 0 "register_operand" "")
@@ -2035,6 +2033,19 @@
     FAIL;
 })
 
+(define_insn "*altivec_vpermr_<mode>_internal"
+  [(set (match_operand:VM 0 "register_operand" "=v,?wo")
+	(unspec:VM [(match_operand:VM 1 "register_operand" "v,0")
+		    (match_operand:VM 2 "register_operand" "v,wo")
+		    (match_operand:V16QI 3 "register_operand" "v,wo")]
+		   UNSPEC_VPERMR))]
+  "TARGET_P9_VECTOR"
+  "@
+   vpermr %0,%1,%2,%3
+   xxpermr %x0,%x2,%x3"
+  [(set_attr "type" "vecperm")
+   (set_attr "length" "4")])
+
 (define_insn "altivec_vrfip"		; ceil
   [(set (match_operand:V4SF 0 "register_operand" "=v")
         (unspec:V4SF [(match_operand:V4SF 1 "register_operand" "v")]
@@ -2844,32 +2855,30 @@
   "")
 
 (define_insn "vperm_v8hiv4si"
-  [(set (match_operand:V4SI 0 "register_operand" "=v,?wo,?&wo")
-        (unspec:V4SI [(match_operand:V8HI 1 "register_operand" "v,0,wo")
-		      (match_operand:V4SI 2 "register_operand" "v,wo,wo")
-		      (match_operand:V16QI 3 "register_operand" "v,wo,wo")]
+  [(set (match_operand:V4SI 0 "register_operand" "=v,?wo")
+        (unspec:V4SI [(match_operand:V8HI 1 "register_operand" "v,0")
+		      (match_operand:V4SI 2 "register_operand" "v,wo")
+		      (match_operand:V16QI 3 "register_operand" "v,wo")]
                   UNSPEC_VPERMSI))]
   "TARGET_ALTIVEC"
   "@
    vperm %0,%1,%2,%3
-   xxperm %x0,%x2,%x3
-   xxlor %x0,%x1,%x1\t\t# xxperm fusion\;xxperm %x0,%x2,%x3"
+   xxperm %x0,%x2,%x3"
   [(set_attr "type" "vecperm")
-   (set_attr "length" "4,4,8")])
+   (set_attr "length" "4")])
 
 (define_insn "vperm_v16qiv8hi"
-  [(set (match_operand:V8HI 0 "register_operand" "=v,?wo,?&wo")
-        (unspec:V8HI [(match_operand:V16QI 1 "register_operand" "v,0,wo")
-		      (match_operand:V8HI 2 "register_operand" "v,wo,wo")
-		      (match_operand:V16QI 3 "register_operand" "v,wo,wo")]
+  [(set (match_operand:V8HI 0 "register_operand" "=v,?wo")
+        (unspec:V8HI [(match_operand:V16QI 1 "register_operand" "v,0")
+		      (match_operand:V8HI 2 "register_operand" "v,wo")
+		      (match_operand:V16QI 3 "register_operand" "v,wo")]
                   UNSPEC_VPERMHI))]
   "TARGET_ALTIVEC"
   "@
    vperm %0,%1,%2,%3
-   xxperm %x0,%x2,%x3
-   xxlor %x0,%x1,%x1\t\t# xxperm fusion\;xxperm %x0,%x2,%x3"
+   xxperm %x0,%x2,%x3"
   [(set_attr "type" "vecperm")
-   (set_attr "length" "4,4,8")])
+   (set_attr "length" "4")])
 
 
 (define_expand "vec_unpacku_hi_v16qi"