From 8559dd92d0e27f4ad4dbf21f1032889c6a813fef Mon Sep 17 00:00:00 2001 From: Danny Smith Date: Tue, 3 May 2005 08:39:19 +0000 Subject: [PATCH] * mingwex/math/signbit.c (__signbit): Make return value consistent with GCC's __builtin_signbit. * mingwex/math/signbitf.c (__signbitf): Likewise. * mingwex/math/signbitf.c (__signbitl): Likewise. * include/math.h (__signbit, __signbitf, __signbitl): Likewise for inlines. --- winsup/mingw/ChangeLog | 9 +++++++++ winsup/mingw/include/math.h | 6 +++--- winsup/mingw/mingwex/math/signbit.c | 2 +- winsup/mingw/mingwex/math/signbitf.c | 2 +- winsup/mingw/mingwex/math/signbitl.c | 2 +- 5 files changed, 15 insertions(+), 6 deletions(-) diff --git a/winsup/mingw/ChangeLog b/winsup/mingw/ChangeLog index f9b7088fc..97272e896 100644 --- a/winsup/mingw/ChangeLog +++ b/winsup/mingw/ChangeLog @@ -1,3 +1,12 @@ +2005-05-03 Danny Smith + + * mingwex/math/signbit.c (__signbit): Make return value + consistent with GCC's __builtin_signbit. + * mingwex/math/signbitf.c (__signbitf): Likewise. + * mingwex/math/signbitf.c (__signbitl): Likewise. + * include/math.h (__signbit, __signbitf, __signbitl): Likewise + for inlines. + 2005-05-02 Danny Smith * include/_mingw.h (__MINGW_ATTRIB_NONNULL): Don't define as diff --git a/winsup/mingw/include/math.h b/winsup/mingw/include/math.h index 29bf27ce0..585723b22 100644 --- a/winsup/mingw/include/math.h +++ b/winsup/mingw/include/math.h @@ -373,19 +373,19 @@ __CRT_INLINE int __cdecl __isnanl (long double _x) __CRT_INLINE int __cdecl __signbit (double x) { unsigned short stw; __asm__ ( "fxam; fstsw %%ax;": "=a" (stw) : "t" (x)); - return stw & 0x0200; + return (stw & 0x0200) != 0; } __CRT_INLINE int __cdecl __signbitf (float x) { unsigned short stw; __asm__ ("fxam; fstsw %%ax;": "=a" (stw) : "t" (x)); - return stw & 0x0200; + return (stw & 0x0200) != 0; } __CRT_INLINE int __cdecl __signbitl (long double x) { unsigned short stw; __asm__ ("fxam; fstsw %%ax;": "=a" (stw) : "t" (x)); - return stw & 0x0200; + return (stw & 0x0200) != 0; } #define signbit(x) (sizeof (x) == sizeof (float) ? __signbitf (x) \ diff --git a/winsup/mingw/mingwex/math/signbit.c b/winsup/mingw/mingwex/math/signbit.c index 7f86c86a3..997ddf86b 100644 --- a/winsup/mingw/mingwex/math/signbit.c +++ b/winsup/mingw/mingwex/math/signbit.c @@ -5,7 +5,7 @@ int __signbit (double x) { __asm__ ("fxam; fstsw %%ax;" : "=a" (sw) : "t" (x) ); - return sw & __FP_SIGNBIT; + return (sw & __FP_SIGNBIT) != 0; } #undef signbit diff --git a/winsup/mingw/mingwex/math/signbitf.c b/winsup/mingw/mingwex/math/signbitf.c index 5bbf675ad..1c96b9f80 100644 --- a/winsup/mingw/mingwex/math/signbitf.c +++ b/winsup/mingw/mingwex/math/signbitf.c @@ -5,6 +5,6 @@ int __signbitf (float x) { __asm__ ("fxam; fstsw %%ax;" : "=a" (sw) : "t" (x) ); - return sw & __FP_SIGNBIT; + return (sw & __FP_SIGNBIT) != 0; } int __attribute__ ((alias ("__signbitf"))) signbitf (float); diff --git a/winsup/mingw/mingwex/math/signbitl.c b/winsup/mingw/mingwex/math/signbitl.c index 78f990350..8b7bca5b3 100644 --- a/winsup/mingw/mingwex/math/signbitl.c +++ b/winsup/mingw/mingwex/math/signbitl.c @@ -5,7 +5,7 @@ int __signbitl (long double x) { __asm__ ("fxam; fstsw %%ax;" : "=a" (sw) : "t" (x) ); - return sw & __FP_SIGNBIT; + return (sw & __FP_SIGNBIT) != 0; } int __attribute__ ((alias ("__signbitl"))) signbitl (long double);