From e4094e49c10dba19e4c2f9fa390b12473f017c42 Mon Sep 17 00:00:00 2001 From: Corinna Vinschen Date: Wed, 7 Jun 2017 11:03:16 +0200 Subject: 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 --- winsup/cygwin/math/lrintl.c | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-) (limited to 'winsup/cygwin/math/lrintl.c') 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); -- cgit v1.2.3