diff options
| author | Corinna Vinschen <corinna@vinschen.de> | 2017-06-07 12:03:16 +0300 |
|---|---|---|
| committer | Corinna Vinschen <corinna@vinschen.de> | 2017-06-07 12:03:16 +0300 |
| commit | e4094e49c10dba19e4c2f9fa390b12473f017c42 (patch) | |
| tree | 87ce00dc3fbb93b8053acfca31a1b1d6488dfd8e /winsup/cygwin/math | |
| parent | 163066a1a5fec04b3b05d44955fe1b07c0391f1c (diff) | |
cygwin: Fix lrint{f,l} to return a 64 bit long on x86_64
Mingw-w64 (where the code has been taken from) has 4 byte longs
independently of the architecture but x86_64 Cygwin has 64 bit longs.
So use fistpll instead of fistpl on x86_64 Cygwin.
Signed-off-by: Corinna Vinschen <corinna@vinschen.de>
Diffstat (limited to 'winsup/cygwin/math')
| -rw-r--r-- | winsup/cygwin/math/lrint.c | 4 | ||||
| -rw-r--r-- | winsup/cygwin/math/lrintf.c | 4 | ||||
| -rw-r--r-- | winsup/cygwin/math/lrintl.c | 4 |
3 files changed, 9 insertions, 3 deletions
diff --git a/winsup/cygwin/math/lrint.c b/winsup/cygwin/math/lrint.c index 0409da660..0d3810732 100644 --- a/winsup/cygwin/math/lrint.c +++ b/winsup/cygwin/math/lrint.c @@ -21,7 +21,9 @@ asm(".def __lrint_internal; .scl 2; .type 32; .endef\n" long lrint (double x) { long retval = 0L; -#if defined(_AMD64_) || defined(__x86_64__) || defined(_X86_) || defined(__i386__) +#if defined (__x86_64__) && defined (__CYGWIN__) + __asm__ __volatile__ ("fistpll %0" : "=m" (retval) : "t" (x) : "st"); +#elif defined(_AMD64_) || defined(__x86_64__) || defined(_X86_) || defined(__i386__) __asm__ __volatile__ ("fistpl %0" : "=m" (retval) : "t" (x) : "st"); #elif defined(__arm__) || defined(_ARM_) retval = __lrint_internal(x); diff --git a/winsup/cygwin/math/lrintf.c b/winsup/cygwin/math/lrintf.c index 2b6d89318..9a300e16f 100644 --- a/winsup/cygwin/math/lrintf.c +++ b/winsup/cygwin/math/lrintf.c @@ -21,7 +21,9 @@ asm(".def __lrintf_internal; .scl 2; .type 32; .endef\n" long lrintf (float x) { long retval = 0l; -#if defined(_AMD64_) || defined(__x86_64__) || defined(_X86_) || defined(__i386__) +#if defined (__x86_64__) && defined (__CYGWIN__) + __asm__ __volatile__ ("fistpll %0" : "=m" (retval) : "t" (x) : "st"); +#elif defined(_AMD64_) || defined(__x86_64__) || defined(_X86_) || defined(__i386__) __asm__ __volatile__ ("fistpl %0" : "=m" (retval) : "t" (x) : "st"); #elif defined(__arm__) || defined(_ARM_) retval = __lrintf_internal(x); diff --git a/winsup/cygwin/math/lrintl.c b/winsup/cygwin/math/lrintl.c index 94c4e4924..c25df9226 100644 --- a/winsup/cygwin/math/lrintl.c +++ b/winsup/cygwin/math/lrintl.c @@ -8,7 +8,9 @@ long lrintl (long double x) { long retval = 0l; -#if defined(_AMD64_) || defined(__x86_64__) || defined(_X86_) || defined(__i386__) +#if defined (__x86_64__) && defined (__CYGWIN__) + __asm__ __volatile__ ("fistpll %0" : "=m" (retval) : "t" (x) : "st"); +#elif defined(_AMD64_) || defined(__x86_64__) || defined(_X86_) || defined(__i386__) __asm__ __volatile__ ("fistpl %0" : "=m" (retval) : "t" (x) : "st"); #elif defined(__arm__) || defined(_ARM_) retval = lrint(x); |