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| author | YunQiang Su <syq@gcc.gnu.org> | 2024-06-04 09:31:19 +0800 |
|---|---|---|
| committer | Andreas K. Hüttel <dilfridge@gentoo.org> | 2024-06-24 19:43:57 +0200 |
| commit | 9e06e4a43b58519991acbed1d7f33abc40249226 (patch) | |
| tree | ef9657b0842bfa4328481d380c43ed10283fe1fa | |
| parent | 6f8c0dca8c9b76db4c1621247259bd6ec7ecb9cf (diff) | |
| download | glibc-9e06e4a43b58519991acbed1d7f33abc40249226.zip glibc-9e06e4a43b58519991acbed1d7f33abc40249226.tar.gz glibc-9e06e4a43b58519991acbed1d7f33abc40249226.tar.bz2 | |
MIPSr6/math: Use builtin fma and fmaf
MIPSr6 has MADDF.s/MADDF.d instructions, which are fused.
In MIPS ISA, double support can be subsetted. Only FMAF is enabled
for this case.
* sysdeps/mips/fpu/math-use-builtins-fma.h
Signed-off-by: YunQiang Su <syq@gcc.gnu.org>
Reviewed-by: Adhemerval Zanella <adhemerval.zanella@linaro.org>
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
| -rw-r--r-- | sysdeps/mips/fpu/math-use-builtins-fma.h | 13 |
1 files changed, 13 insertions, 0 deletions
diff --git a/sysdeps/mips/fpu/math-use-builtins-fma.h b/sysdeps/mips/fpu/math-use-builtins-fma.h new file mode 100644 index 0000000..af8c1f9 --- /dev/null +++ b/sysdeps/mips/fpu/math-use-builtins-fma.h @@ -0,0 +1,13 @@ +#if __mips_isa_rev >= 6 +# ifdef __mips_single_float +# define USE_FMA_BUILTIN 0 +# else +# define USE_FMA_BUILTIN 1 +# endif +# define USE_FMAF_BUILTIN 1 +#else +# define USE_FMA_BUILTIN 0 +# define USE_FMAF_BUILTIN 0 +#endif +#define USE_FMAL_BUILTIN 0 +#define USE_FMAF128_BUILTIN 0 |