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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_atan.c | |
| parent | 58985aa92f57ff46e96b32388ce65e7fdd8c8b9e (diff) | |
| download | glibc-af968f62f24c5c0ef4e7e5ab41acae946908c112.tar.gz glibc-af968f62f24c5c0ef4e7e5ab41acae946908c112.tar.xz glibc-af968f62f24c5c0ef4e7e5ab41acae946908c112.zip | |
Optimize accurate 64-bit routines for FMA4 on x86-64
Diffstat (limited to 'sysdeps/x86_64/fpu/multiarch/s_atan.c')
| -rw-r--r-- | sysdeps/x86_64/fpu/multiarch/s_atan.c | 14 |
1 files changed, 14 insertions, 0 deletions
diff --git a/sysdeps/x86_64/fpu/multiarch/s_atan.c b/sysdeps/x86_64/fpu/multiarch/s_atan.c new file mode 100644 index 0000000000..ffc4a56fa8 --- /dev/null +++ b/sysdeps/x86_64/fpu/multiarch/s_atan.c @@ -0,0 +1,14 @@ +#ifdef HAVE_FMA4_SUPPORT +# include <init-arch.h> +# include <math.h> + +extern double __atan_sse2 (double); +extern double __atan_fma4 (double); + +libm_ifunc (atan, HAS_FMA4 ? __atan_fma4 : __atan_sse2); + +# define atan __atan_sse2 +#endif + + +#include <sysdeps/ieee754/dbl-64/s_atan.c> |