(CFLAGS-tst-align.c): Add -mpreferred-stack-boundary=4.

7 files changed, 77 insertions, 39 deletions

diff --git a/sysdeps/ieee754/dbl-64/Dist b/sysdeps/ieee754/dbl-64/Dist
new file mode 100644
index 0000000000..4920caedcc
--- /dev/null
+++ b/sysdeps/ieee754/dbl-64/Dist
@@ -0,0 +1,33 @@
+asincos.tbl
+atnat.h
+atnat2.h
+branred.h
+dla.h
+doasin.h
+dosincos.h
+MathLib.h
+mpa.h
+mpa2.h
+mpatan.h
+mpexp.h
+mplog.h
+mpsqrt.h
+mydefs.h
+powtwo.tbl
+root.tbl
+sincos.tbl
+sincos32.h
+t_exp2.h
+uasncs.h
+uatan.tbl
+uexp.h
+uexp.tbl
+ulog.h
+ulog.tbl
+upow.h
+upow.tbl
+urem.h
+uroot.h
+usncs.h
+utan.h
+utan.tbl
diff --git a/sysdeps/ieee754/dbl-64/e_exp2.c b/sysdeps/ieee754/dbl-64/e_exp2.c
index ce6368be43..397acd182c 100644
--- a/sysdeps/ieee754/dbl-64/e_exp2.c
+++ b/sysdeps/ieee754/dbl-64/e_exp2.c
@@ -1,5 +1,5 @@
 /* Double-precision floating point 2^x.
-   Copyright (C) 1997,1998,2000,2001,2005,2006 Free Software Foundation, Inc.
+   Copyright (C) 1997, 1998, 2000, 2001 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
    Contributed by Geoffrey Keating <geoffk@ozemail.com.au>
 
@@ -37,11 +37,6 @@
 
 #include "t_exp2.h"
 
-/* XXX I know the assembler generates a warning about incorrect section
-   attributes. But without the attribute here the compiler places the
-   constants in the .data section.  Ideally the constant is placed in
-   .rodata.cst8 so that it can be merged, but gcc sucks, it ICEs when
-   we try to force this section on it.  --drepper  */
 static const volatile double TWO1023 = 8.988465674311579539e+307;
 static const volatile double TWOM1000 = 9.3326361850321887899e-302;
 
diff --git a/sysdeps/ieee754/dbl-64/e_pow.c b/sysdeps/ieee754/dbl-64/e_pow.c
index 1e159f2c0b..d9bd8b479f 100644
--- a/sysdeps/ieee754/dbl-64/e_pow.c
+++ b/sysdeps/ieee754/dbl-64/e_pow.c
@@ -106,28 +106,20 @@ double __ieee754_pow(double x, double y) {
     else
       return y < 0 ? 1.0/ABS(x) : 0.0;                               /* return 0 */
   }
-
-  qx = u.i[HIGH_HALF]&0x7fffffff;  /*   no sign   */
-  qy = v.i[HIGH_HALF]&0x7fffffff;  /*   no sign   */
-
-  if (qx >= 0x7ff00000 && (qx > 0x7ff00000 || u.i[LOW_HALF] != 0)) return NaNQ.x;
-  if (qy >= 0x7ff00000 && (qy > 0x7ff00000 || v.i[LOW_HALF] != 0))
-    return x == 1.0 ? 1.0 : NaNQ.x;
-
   /* if x<0 */
   if (u.i[HIGH_HALF] < 0) {
     k = checkint(y);
     if (k==0) {
-      if (qy == 0x7ff00000) {
+      if ((v.i[HIGH_HALF] & 0x7fffffff) == 0x7ff00000 && v.i[LOW_HALF] == 0) {
 	if (x == -1.0) return 1.0;
 	else if (x > -1.0) return v.i[HIGH_HALF] < 0 ? INF.x : 0.0;
 	else return v.i[HIGH_HALF] < 0 ? 0.0 : INF.x;
       }
-      else if (qx == 0x7ff00000)
+      else if (u.i[HIGH_HALF] == 0xfff00000 && u.i[LOW_HALF] == 0)
 	return y < 0 ? 0.0 : INF.x;
       return NaNQ.x;                              /* y not integer and x<0 */
     }
-    else if (qx == 0x7ff00000)
+    else if (u.i[HIGH_HALF] == 0xfff00000 && u.i[LOW_HALF] == 0)
       {
 	if (k < 0)
 	  return y < 0 ? nZERO.x : nINF.x;
@@ -137,6 +129,14 @@ double __ieee754_pow(double x, double y) {
     return (k==1)?__ieee754_pow(-x,y):-__ieee754_pow(-x,y); /* if y even or odd */
   }
   /* x>0 */
+  qx = u.i[HIGH_HALF]&0x7fffffff;  /*   no sign   */
+  qy = v.i[HIGH_HALF]&0x7fffffff;  /*   no sign   */
+
+  if (qx > 0x7ff00000 || (qx == 0x7ff00000 && u.i[LOW_HALF] != 0)) return NaNQ.x;
+                                                                 /*  if 0<x<2^-0x7fe */
+  if (qy > 0x7ff00000 || (qy == 0x7ff00000 && v.i[LOW_HALF] != 0))
+    return x == 1.0 ? 1.0 : NaNQ.x;
+                                                                 /*  if y<2^-0x7fe   */
 
   if (qx == 0x7ff00000)                              /* x= 2^-0x3ff */
     {if (y == 0) return NaNQ.x;
diff --git a/sysdeps/ieee754/dbl-64/halfulp.c b/sysdeps/ieee754/dbl-64/halfulp.c
index 478a4bacf6..9e1111b8db 100644
--- a/sysdeps/ieee754/dbl-64/halfulp.c
+++ b/sysdeps/ieee754/dbl-64/halfulp.c
@@ -1,7 +1,7 @@
 /*
  * IBM Accurate Mathematical Library
  * written by International Business Machines Corp.
- * Copyright (C) 2001, 2005 Free Software Foundation
+ * Copyright (C) 2001 Free Software Foundation
  *
  * This program is free software; you can redistribute it and/or modify
  * it under the terms of the GNU Lesser General Public License as published by
@@ -42,7 +42,7 @@
 
 double __ieee754_sqrt(double x);
 
-static const int4 tab54[32] = {
+int4 tab54[32] = {
    262143, 11585, 1782, 511, 210, 107, 63, 42,
        30,    22,   17,  14,  12,  10,  9,  7,
         7,     6,    5,   5,   5,   4,  4,  4,
diff --git a/sysdeps/ieee754/dbl-64/s_llrint.c b/sysdeps/ieee754/dbl-64/s_llrint.c
index 64c870eaaa..893bd716b5 100644
--- a/sysdeps/ieee754/dbl-64/s_llrint.c
+++ b/sysdeps/ieee754/dbl-64/s_llrint.c
@@ -1,6 +1,6 @@
 /* Round argument to nearest integral value according to current rounding
    direction.
-   Copyright (C) 1997, 2004, 2006 Free Software Foundation, Inc.
+   Copyright (C) 1997, 2004 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
    Contributed by Ulrich Drepper <drepper@cygnus.com>, 1997.
 
@@ -23,7 +23,7 @@
 
 #include "math_private.h"
 
-static const double two52[2] =
+static const long double two52[2] =
 {
   4.50359962737049600000e+15, /* 0x43300000, 0x00000000 */
  -4.50359962737049600000e+15, /* 0xC3300000, 0x00000000 */
@@ -48,14 +48,19 @@ __llrint (double x)
 
   if (j0 < 20)
     {
-      w = two52[sx] + x;
-      t = w - two52[sx];
-      EXTRACT_WORDS (i0, i1, t);
-      j0 = ((i0 >> 20) & 0x7ff) - 0x3ff;
-      i0 &= 0xfffff;
-      i0 |= 0x100000;
+      if (j0 < -1)
+	return 0;
+      else
+	{
+	  w = two52[sx] + x;
+	  t = w - two52[sx];
+	  EXTRACT_WORDS (i0, i1, t);
+	  j0 = ((i0 >> 20) & 0x7ff) - 0x3ff;
+	  i0 &= 0xfffff;
+	  i0 |= 0x100000;
 
-      result = (j0 < 0 ? 0 : i0 >> (20 - j0));
+	  result = i0 >> (20 - j0);
+	}
     }
   else if (j0 < (int32_t) (8 * sizeof (long long int)) - 1)
     {
diff --git a/sysdeps/ieee754/dbl-64/s_lrint.c b/sysdeps/ieee754/dbl-64/s_lrint.c
index 1084ed6e2d..2da68d4dcd 100644
--- a/sysdeps/ieee754/dbl-64/s_lrint.c
+++ b/sysdeps/ieee754/dbl-64/s_lrint.c
@@ -1,6 +1,6 @@
 /* Round argument to nearest integral value according to current rounding
    direction.
-   Copyright (C) 1997, 2004, 2006 Free Software Foundation, Inc.
+   Copyright (C) 1997, 2004 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
    Contributed by Ulrich Drepper <drepper@cygnus.com>, 1997.
 
@@ -48,14 +48,19 @@ __lrint (double x)
 
   if (j0 < 20)
     {
-      w = two52[sx] + x;
-      t = w - two52[sx];
-      EXTRACT_WORDS (i0, i1, t);
-      j0 = ((i0 >> 20) & 0x7ff) - 0x3ff;
-      i0 &= 0xfffff;
-      i0 |= 0x100000;
+      if (j0 < -1)
+	return 0;
+      else
+	{
+	  w = two52[sx] + x;
+	  t = w - two52[sx];
+	  EXTRACT_WORDS (i0, i1, t);
+	  j0 = ((i0 >> 20) & 0x7ff) - 0x3ff;
+	  i0 &= 0xfffff;
+	  i0 |= 0x100000;
 
-      result = (j0 < 0 ? 0 : i0 >> (20 - j0));
+	  result = i0 >> (20 - j0);
+	}
     }
   else if (j0 < (int32_t) (8 * sizeof (long int)) - 1)
     {
diff --git a/sysdeps/ieee754/dbl-64/s_sincos.c b/sysdeps/ieee754/dbl-64/s_sincos.c
index e946f9f976..f0542c500c 100644
--- a/sysdeps/ieee754/dbl-64/s_sincos.c
+++ b/sysdeps/ieee754/dbl-64/s_sincos.c
@@ -1,5 +1,5 @@
 /* Compute sine and cosine of argument.
-   Copyright (C) 1997, 2001, 2005 Free Software Foundation, Inc.
+   Copyright (C) 1997, 2001 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
    Contributed by Ulrich Drepper <drepper@cygnus.com>, 1997.
 
@@ -40,8 +40,8 @@ __sincos (double x, double *sinx, double *cosx)
     }
   else
     {
-      *sinx = __sin (x);
-      *cosx = __cos (x);
+      *sinx = sin (x);
+      *cosx = cos (x);
     }
 }
 weak_alias (__sincos, sincos)