diff options
Diffstat (limited to 'sysdeps/x86_64')
| -rw-r--r-- | sysdeps/x86_64/bits/atomic.h | 5 | ||||
| -rw-r--r-- | sysdeps/x86_64/fpu/bits/mathinline.h | 8 |
2 files changed, 8 insertions, 5 deletions
diff --git a/sysdeps/x86_64/bits/atomic.h b/sysdeps/x86_64/bits/atomic.h index f31bedb0b3..133a68d192 100644 --- a/sysdeps/x86_64/bits/atomic.h +++ b/sysdeps/x86_64/bits/atomic.h @@ -1,4 +1,4 @@ -/* Copyright (C) 2002, 2003 Free Software Foundation, Inc. +/* Copyright (C) 2002, 2003, 2004 Free Software Foundation, Inc. This file is part of the GNU C Library. Contributed by Ulrich Drepper <drepper@redhat.com>, 2002. @@ -319,3 +319,6 @@ typedef uintmax_t uatomic_max_t; : "=q" (__result), "=m" (*mem) \ : "m" (*mem), "ir" (bit)); \ __result; }) + + +#define atomic_delay() asm ("rep; nop") diff --git a/sysdeps/x86_64/fpu/bits/mathinline.h b/sysdeps/x86_64/fpu/bits/mathinline.h index 3f61ff5e92..39d11b678d 100644 --- a/sysdeps/x86_64/fpu/bits/mathinline.h +++ b/sysdeps/x86_64/fpu/bits/mathinline.h @@ -1,5 +1,5 @@ /* Inline math functions for x86-64. - Copyright (C) 2002, 2003 Free Software Foundation, Inc. + Copyright (C) 2002, 2003, 2004 Free Software Foundation, Inc. This file is part of the GNU C Library. Contributed by Andreas Jaeger <aj@suse.de>, 2002. @@ -33,19 +33,19 @@ /* Test for negative number. Used in the signbit() macro. */ __MATH_INLINE int -__signbitf (float __x) __THROW +__NTH (__signbitf (float __x)) { __extension__ union { float __f; int __i; } __u = { __f: __x }; return __u.__i < 0; } __MATH_INLINE int -__signbit (double __x) __THROW +__NTH (__signbit (double __x)) { __extension__ union { double __d; int __i[2]; } __u = { __d: __x }; return __u.__i[1] < 0; } __MATH_INLINE int -__signbitl (long double __x) __THROW +__NTH (__signbitl (long double __x)) { __extension__ union { long double __l; int __i[3]; } __u = { __l: __x }; return (__u.__i[2] & 0x8000) != 0; |