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| author | Ulrich Drepper <drepper@gmail.com> | 2011-10-24 20:19:17 -0400 |
|---|---|---|
| committer | Ulrich Drepper <drepper@gmail.com> | 2011-10-24 20:19:17 -0400 |
| commit | af968f62f24c5c0ef4e7e5ab41acae946908c112 (patch) | |
| tree | e1e0570eeb00c434cc751cbadfbeae150eeea11a /sysdeps/x86_64/fpu/multiarch/s_sin.c | |
| parent | 58985aa92f57ff46e96b32388ce65e7fdd8c8b9e (diff) | |
| download | glibc-af968f62f24c5c0ef4e7e5ab41acae946908c112.tar glibc-af968f62f24c5c0ef4e7e5ab41acae946908c112.tar.gz glibc-af968f62f24c5c0ef4e7e5ab41acae946908c112.tar.bz2 glibc-af968f62f24c5c0ef4e7e5ab41acae946908c112.zip | |
Optimize accurate 64-bit routines for FMA4 on x86-64
Diffstat (limited to 'sysdeps/x86_64/fpu/multiarch/s_sin.c')
| -rw-r--r-- | sysdeps/x86_64/fpu/multiarch/s_sin.c | 22 |
1 files changed, 22 insertions, 0 deletions
diff --git a/sysdeps/x86_64/fpu/multiarch/s_sin.c b/sysdeps/x86_64/fpu/multiarch/s_sin.c new file mode 100644 index 0000000000..a7c35dc858 --- /dev/null +++ b/sysdeps/x86_64/fpu/multiarch/s_sin.c @@ -0,0 +1,22 @@ +#ifdef HAVE_FMA4_SUPPORT +# include <init-arch.h> +# include <math.h> +# undef NAN + +extern double __cos_sse2 (double); +extern double __cos_fma4 (double); +extern double __sin_sse2 (double); +extern double __sin_fma4 (double); + +libm_ifunc (__cos, HAS_FMA4 ? __cos_fma4 : __cos_sse2); +weak_alias (__cos, cos) + +libm_ifunc (__sin, HAS_FMA4 ? __sin_fma4 : __sin_sse2); +weak_alias (__sin, sin) + +# define __cos __cos_sse2 +# define __sin __sin_sse2 +#endif + + +#include <sysdeps/ieee754/dbl-64/s_sin.c> |