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authorRoland McGrath <roland@hack.frob.com>2012-04-09 12:20:48 -0700
committerRoland McGrath <roland@hack.frob.com>2012-04-09 12:20:48 -0700
commit8de131cbff365a34392ee3314ee5ea8007a877fe (patch)
tree6f3a27f5f6bdb76b0c8a2ce56b2c1cc0ab04362a /sysdeps/i386/fpu
parentc0ed9d7d2be861dc01cd6051415b8a8f1f5fa2aa (diff)
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Fix missing clobber in i386 __sincos_code asm.
Diffstat (limited to 'sysdeps/i386/fpu')
-rw-r--r--sysdeps/i386/fpu/bits/mathinline.h14
1 files changed, 7 insertions, 7 deletions
diff --git a/sysdeps/i386/fpu/bits/mathinline.h b/sysdeps/i386/fpu/bits/mathinline.h
index 276acf8e71..6561ebaa39 100644
--- a/sysdeps/i386/fpu/bits/mathinline.h
+++ b/sysdeps/i386/fpu/bits/mathinline.h
@@ -1,6 +1,5 @@
/* Inline math functions for i387.
- Copyright (C) 1995,1996,1997,1998,1999,2000,2001,2003,2004,2006,2007,2009,
- 2010 Free Software Foundation, Inc.
+ Copyright (C) 1995-2012 Free Software Foundation, Inc.
This file is part of the GNU C Library.
Contributed by John C. Bowman <bowman@math.ualberta.ca>, 1995.
@@ -324,22 +323,23 @@ __inline_mathcode (__pow2, __x, \
# define __sincos_code \
register long double __cosr; \
register long double __sinr; \
+ register unsigned int __swtmp; \
__asm __volatile__ \
("fsincos\n\t" \
- "fnstsw %%ax\n\t" \
- "testl $0x400, %%eax\n\t" \
+ "fnstsw %w2\n\t" \
+ "testl $0x400, %2\n\t" \
"jz 1f\n\t" \
"fldpi\n\t" \
"fadd %%st(0)\n\t" \
"fxch %%st(1)\n\t" \
"2: fprem1\n\t" \
- "fnstsw %%ax\n\t" \
- "testl $0x400, %%eax\n\t" \
+ "fnstsw %w2\n\t" \
+ "testl $0x400, %2\n\t" \
"jnz 2b\n\t" \
"fstp %%st(1)\n\t" \
"fsincos\n\t" \
"1:" \
- : "=t" (__cosr), "=u" (__sinr) : "0" (__x)); \
+ : "=t" (__cosr), "=u" (__sinr), "=a" (__swtmp) : "0" (__x)); \
*__sinx = __sinr; \
*__cosx = __cosr