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

7 files changed, 45 insertions, 37 deletions

diff --git a/sysdeps/ieee754/ldbl-128/Dist b/sysdeps/ieee754/ldbl-128/Dist
new file mode 100644
index 0000000000..4504060729
--- /dev/null
+++ b/sysdeps/ieee754/ldbl-128/Dist
@@ -0,0 +1,2 @@
+ieee754.h
+t_expl.h
diff --git a/sysdeps/ieee754/ldbl-128/e_powl.c b/sysdeps/ieee754/ldbl-128/e_powl.c
index ba7e27b7d7..18bf237e65 100644
--- a/sysdeps/ieee754/ldbl-128/e_powl.c
+++ b/sysdeps/ieee754/ldbl-128/e_powl.c
@@ -220,7 +220,7 @@ __ieee754_powl (x, y)
 	{
 	  if (((ix - 0x3fff0000) | p.parts32.w1 | p.parts32.w2 | p.parts32.w3)
 	      == 0)
-	    return y - y;	/* +-1**inf is NaN */
+	    return y - y;	/* inf**+-1 is NaN */
 	  else if (ix >= 0x3fff0000)	/* (|x|>1)**+-inf = inf,0 */
 	    return (hy >= 0) ? y : zero;
 	  else			/* (|x|<1)**-,+inf = inf,0 */
diff --git a/sysdeps/ieee754/ldbl-128/printf_fphex.c b/sysdeps/ieee754/ldbl-128/printf_fphex.c
index 361a9baa05..0cb6b293e0 100644
--- a/sysdeps/ieee754/ldbl-128/printf_fphex.c
+++ b/sysdeps/ieee754/ldbl-128/printf_fphex.c
@@ -1,6 +1,6 @@
 /* Print floating point number in hexadecimal notation according to
    ISO C99.
-   Copyright (C) 1997, 1998, 1999, 2000, 2005 Free Software Foundation, Inc.
+   Copyright (C) 1997, 1998, 1999, 2000 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -103,4 +103,4 @@ do {									      \
 	}								      \
 } while (0)
 
-#include <stdio-common/printf_fphex.c>
+#include <sysdeps/generic/printf_fphex.c>
diff --git a/sysdeps/ieee754/ldbl-128/s_llrintl.c b/sysdeps/ieee754/ldbl-128/s_llrintl.c
index 5804f57d11..d6899e8500 100644
--- a/sysdeps/ieee754/ldbl-128/s_llrintl.c
+++ b/sysdeps/ieee754/ldbl-128/s_llrintl.c
@@ -1,6 +1,6 @@
 /* Round argument to nearest integral value according to current rounding
    direction.
-   Copyright (C) 1997, 1999, 2006 Free Software Foundation, Inc.
+   Copyright (C) 1997, 1999 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
    Contributed by Ulrich Drepper <drepper@cygnus.com>, 1997 and
    		  Jakub Jelinek <jj@ultra.linux.cz>, 1999.
@@ -48,16 +48,16 @@ __llrintl (long double x)
 
   if (j0 < (int32_t) (8 * sizeof (long long int)) - 1)
     {
+      if (j0 < -1)
+	return 0;
       w = two112[sx] + x;
       t = w - two112[sx];
-      GET_LDOUBLE_WORDS64 (i0, i1, t);
+      GET_LDOUBLE_WORDS64 (i0, i1, x);
       j0 = ((i0 >> 48) & 0x7fff) - 0x3fff;
       i0 &= 0x0000ffffffffffffLL;
       i0 |= 0x0001000000000000LL;
 
-      if (j0 < 0)
-	result = 0;
-      else if (j0 <= 48)
+      if (j0 <= 48)
 	result = i0 >> (48 - j0);
       else
 	result = ((long long int) i0 << (j0 - 48)) | (i1 >> (112 - j0));
diff --git a/sysdeps/ieee754/ldbl-128/s_lrintl.c b/sysdeps/ieee754/ldbl-128/s_lrintl.c
index ead24e99f0..66f9a429fc 100644
--- a/sysdeps/ieee754/ldbl-128/s_lrintl.c
+++ b/sysdeps/ieee754/ldbl-128/s_lrintl.c
@@ -1,6 +1,6 @@
 /* Round argument to nearest integral value according to current rounding
    direction.
-   Copyright (C) 1997, 1999, 2004, 2006 Free Software Foundation, Inc.
+   Copyright (C) 1997, 1999, 2004 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
    Contributed by Ulrich Drepper <drepper@cygnus.com>, 1997 and
    		  Jakub Jelinek <jj@ultra.linux.cz>, 1999.
@@ -48,14 +48,19 @@ __lrintl (long double x)
 
   if (j0 < 48)
     {
-      w = two112[sx] + x;
-      t = w - two112[sx];
-      GET_LDOUBLE_WORDS64 (i0, i1, t);
-      j0 = ((i0 >> 48) & 0x7fff) - 0x3fff;
-      i0 &= 0x0000ffffffffffffLL;
-      i0 |= 0x0001000000000000LL;
+      if (j0 < -1)
+	return 0;
+      else
+	{
+	  w = two112[sx] + x;
+	  t = w - two112[sx];
+	  GET_LDOUBLE_WORDS64 (i0, i1, x);
+	  j0 = ((i0 >> 48) & 0x7fff) - 0x3fff;
+	  i0 &= 0x0000ffffffffffffLL;
+	  i0 |= 0x0001000000000000LL;
 
-      result = (j0 < 0 ? 0 : i0 >> (48 - j0));
+	  result = i0 >> (48 - j0);
+	}
     }
   else if (j0 < (int32_t) (8 * sizeof (long int)) - 1)
     {
@@ -65,7 +70,7 @@ __lrintl (long double x)
 	{
 	  w = two112[sx] + x;
 	  t = w - two112[sx];
-	  GET_LDOUBLE_WORDS64 (i0, i1, t);
+	  GET_LDOUBLE_WORDS64 (i0, i1, x);
 	  j0 = ((i0 >> 48) & 0x7fff) - 0x3fff;
 	  i0 &= 0x0000ffffffffffffLL;
 	  i0 |= 0x0001000000000000LL;
diff --git a/sysdeps/ieee754/ldbl-128/s_nextafterl.c b/sysdeps/ieee754/ldbl-128/s_nextafterl.c
index 7bc869a518..d3df668178 100644
--- a/sysdeps/ieee754/ldbl-128/s_nextafterl.c
+++ b/sysdeps/ieee754/ldbl-128/s_nextafterl.c
@@ -25,7 +25,7 @@ static char rcsid[] = "$NetBSD: $";
  */
 
 #include "math.h"
-#include <math_private.h>
+#include "math_private.h"
 
 #ifdef __STDC__
 	long double __nextafterl(long double x, long double y)
@@ -47,12 +47,9 @@ static char rcsid[] = "$NetBSD: $";
 	   return x+y;
 	if(x==y) return y;		/* x=y, return y */
 	if((ix|lx)==0) {			/* x == 0 */
-	    long double u;
 	    SET_LDOUBLE_WORDS64(x,hy&0x8000000000000000ULL,1);/* return +-minsubnormal */
-	    u = math_opt_barrier (x);
-	    u = u * u;
-	    math_force_eval (u);		/* raise underflow flag */
-	    return x;
+	    y = x*x;
+	    if(y==x) return y; else return x;	/* raise underflow flag */
 	}
 	if(hx>=0) {			/* x > 0 */
 	    if(hx>hy||((hx==hy)&&(lx>ly))) {	/* x > y, x -= ulp */
@@ -73,9 +70,12 @@ static char rcsid[] = "$NetBSD: $";
 	}
 	hy = hx&0x7fff000000000000LL;
 	if(hy==0x7fff000000000000LL) return x+x;/* overflow  */
-	if(hy==0) {
-	    long double u = x*x;		/* underflow */
-	    math_force_eval (u);		/* raise underflow flag */
+	if(hy==0) {				/* underflow */
+	    y = x*x;
+	    if(y!=x) {		/* raise underflow flag */
+	        SET_LDOUBLE_WORDS64(y,hx,lx);
+		return y;
+	    }
 	}
 	SET_LDOUBLE_WORDS64(x,hx,lx);
 	return x;
diff --git a/sysdeps/ieee754/ldbl-128/s_nexttoward.c b/sysdeps/ieee754/ldbl-128/s_nexttoward.c
index 178505c58f..553e401973 100644
--- a/sysdeps/ieee754/ldbl-128/s_nexttoward.c
+++ b/sysdeps/ieee754/ldbl-128/s_nexttoward.c
@@ -26,7 +26,7 @@ static char rcsid[] = "$NetBSD: $";
  */
 
 #include "math.h"
-#include <math_private.h>
+#include "math_private.h"
 #include <float.h>
 
 #ifdef __STDC__
@@ -53,12 +53,10 @@ static char rcsid[] = "$NetBSD: $";
 	   return x+y;
 	if((long double) x==y) return y;	/* x=y, return y */
 	if((ix|lx)==0) {			/* x == 0 */
-	    double u;
+	    double x2;
 	    INSERT_WORDS(x,(u_int32_t)((hy>>32)&0x80000000),1);/* return +-minsub */
-	    u = math_opt_barrier (x);
-	    u = u * u;
-	    math_force_eval (u);		/* raise underflow flag */
-	    return x;
+	    x2 = x*x;
+	    if(x2==x) return x2; else return x;	/* raise underflow flag */
 	}
 	if(hx>=0) {				/* x > 0 */
 	    if (hy<0||(ix>>20)>(iy>>48)-0x3c00
@@ -89,13 +87,16 @@ static char rcsid[] = "$NetBSD: $";
 	if(hy>=0x7ff00000) {
 	  x = x+x;	/* overflow  */
 	  if (FLT_EVAL_METHOD != 0 && FLT_EVAL_METHOD != 1)
-	    /* Force conversion to double.  */
-	    asm ("" : "+m"(x));
+	    /* Force conversion to float.  */
+	    asm ("" : "=m"(x) : "m"(x));
 	  return x;
 	}
-	if(hy<0x00100000) {
-	    double u = x*x;			/* underflow */
-	    math_force_eval (u);		/* raise underflow flag */
+	if(hy<0x00100000) {		/* underflow */
+	    double x2 = x*x;
+	    if(x2!=x) {		/* raise underflow flag */
+	        INSERT_WORDS(x2,hx,lx);
+		return x2;
+	    }
 	}
 	INSERT_WORDS(x,hx,lx);
 	return x;