diff options
author | Vineet Gupta <vgupta@synopsys.com> | 2020-05-29 16:12:44 -0700 |
---|---|---|
committer | Vineet Gupta <vgupta@synopsys.com> | 2020-06-03 10:23:33 -0700 |
commit | a7a3435c9a0769744c7748f9d95510d0a99be7d1 (patch) | |
tree | fbd8bf722933de63ec9a866513e024844ebee1bb /sysdeps/powerpc | |
parent | c9feb1be938c3b259ece1a07ef78ddcf89194f31 (diff) | |
download | glibc-a7a3435c9a0769744c7748f9d95510d0a99be7d1.zip glibc-a7a3435c9a0769744c7748f9d95510d0a99be7d1.tar.gz glibc-a7a3435c9a0769744c7748f9d95510d0a99be7d1.tar.bz2 |
powerpc/fpu: use generic fma functions
Tested with build-many-glibcs for powerpc-linux-gnu
This is a non functional change and powerpc libm before/after was
byte invariant as compared below:
| cd /SCRATCH/vgupta/gnu/install-glibc-A-baseline
| for i in `find . -name libm-2.31.9000.so`; do
| echo $i; diff $i /SCRATCH/vgupta/gnu/install-glibc-C-reduce-scope/$i ;
| echo $?;
| done
| ./aarch64-linux-gnu/lib64/libm-2.31.9000.so
| 0
| ./arm-linux-gnueabi/lib/libm-2.31.9000.so
| 0
| ./x86_64-linux-gnu/lib64/libm-2.31.9000.so
| 0
| ./arm-linux-gnueabihf/lib/libm-2.31.9000.so
| 0
| ./riscv64-linux-gnu-rv64imac-lp64/lib64/lp64/libm-2.31.9000.so
| 0
| ./riscv64-linux-gnu-rv64imafdc-lp64/lib64/lp64/libm-2.31.9000.so
| 0
| ./powerpc-linux-gnu/lib/libm-2.31.9000.so
| 0
| ./microblaze-linux-gnu/lib/libm-2.31.9000.so
| 0
| ./nios2-linux-gnu/lib/libm-2.31.9000.so
| 0
| ./hppa-linux-gnu/lib/libm-2.31.9000.so
| 0
| ./s390x-linux-gnu/lib64/libm-2.31.9000.so
| 0
Reviewed-by: Adhemerval Zanella <adhemerval.zanella@linaro.org>
Diffstat (limited to 'sysdeps/powerpc')
-rw-r--r-- | sysdeps/powerpc/fpu/math-use-builtins.h | 69 | ||||
-rw-r--r-- | sysdeps/powerpc/fpu/s_fma.c | 27 | ||||
-rw-r--r-- | sysdeps/powerpc/fpu/s_fmaf.c | 27 |
3 files changed, 69 insertions, 54 deletions
diff --git a/sysdeps/powerpc/fpu/math-use-builtins.h b/sysdeps/powerpc/fpu/math-use-builtins.h new file mode 100644 index 0000000..4780934 --- /dev/null +++ b/sysdeps/powerpc/fpu/math-use-builtins.h @@ -0,0 +1,69 @@ +/* Using math gcc builtins instead of generic implementation. PowerPC version. + Copyright (C) 2019-2020 Free Software Foundation, Inc. + This file is part of the GNU C Library. + + The GNU C Library is free software; you can redistribute it and/or + modify it under the terms of the GNU Lesser General Public + License as published by the Free Software Foundation; either + version 2.1 of the License, or (at your option) any later version. + + The GNU C Library is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + Lesser General Public License for more details. + + You should have received a copy of the GNU Lesser General Public + License along with the GNU C Library; if not, see + <https://www.gnu.org/licenses/>. */ + +#ifndef MATH_USE_BUILTINS_H +#define MATH_USE_BUILTINS_H 1 + +#include <features.h> /* For __GNUC_PREREQ. */ + +/* Define these macros to 1 to use __builtin_xyz instead of the + generic implementation. */ +#define USE_NEARBYINT_BUILTIN 0 +#define USE_NEARBYINTF_BUILTIN 0 +#define USE_NEARBYINTL_BUILTIN 0 +#define USE_NEARBYINTF128_BUILTIN 0 + +#define USE_RINT_BUILTIN 0 +#define USE_RINTF_BUILTIN 0 +#define USE_RINTL_BUILTIN 0 +#define USE_RINTF128_BUILTIN 0 + +#define USE_FLOOR_BUILTIN 0 +#define USE_FLOORF_BUILTIN 0 +#define USE_FLOORL_BUILTIN 0 +#define USE_FLOORF128_BUILTIN 0 + +#define USE_CEIL_BUILTIN 0 +#define USE_CEILF_BUILTIN 0 +#define USE_CEILL_BUILTIN 0 +#define USE_CEILF128_BUILTIN 0 + +#define USE_TRUNC_BUILTIN 0 +#define USE_TRUNCF_BUILTIN 0 +#define USE_TRUNCL_BUILTIN 0 +#define USE_TRUNCF128_BUILTIN 0 + +#define USE_ROUND_BUILTIN 0 +#define USE_ROUNDF_BUILTIN 0 +#define USE_ROUNDL_BUILTIN 0 +#define USE_ROUNDF128_BUILTIN 0 + +#define USE_COPYSIGNL_BUILTIN 1 +#if __GNUC_PREREQ (7, 0) +# define USE_COPYSIGNF128_BUILTIN 1 +#else +# define USE_COPYSIGNF128_BUILTIN 0 +#endif + +#define USE_SQRT_BUILTIN 0 +#define USE_SQRTF_BUILTIN 0 + +#define USE_FMA_BUILTIN 1 +#define USE_FMAF_BUILTIN 1 + +#endif diff --git a/sysdeps/powerpc/fpu/s_fma.c b/sysdeps/powerpc/fpu/s_fma.c deleted file mode 100644 index 9ddd132..0000000 --- a/sysdeps/powerpc/fpu/s_fma.c +++ /dev/null @@ -1,27 +0,0 @@ -/* Compute x * y + z as ternary operation. PowerPC version. - Copyright (C) 2019-2020 Free Software Foundation, Inc. - This file is part of the GNU C Library. - - The GNU C Library is free software; you can redistribute it and/or - modify it under the terms of the GNU Lesser General Public - License as published by the Free Software Foundation; either - version 2.1 of the License, or (at your option) any later version. - - The GNU C Library is distributed in the hope that it will be useful, - but WITHOUT ANY WARRANTY; without even the implied warranty of - MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - Lesser General Public License for more details. - - You should have received a copy of the GNU Lesser General Public - License along with the GNU C Library; if not, see - <https://www.gnu.org/licenses/>. */ - -#include <sysdep.h> -#include <libm-alias-double.h> - -double -__fma (double x, double y, double z) -{ - return __builtin_fma (x, y, z); -} -libm_alias_double (__fma, fma) diff --git a/sysdeps/powerpc/fpu/s_fmaf.c b/sysdeps/powerpc/fpu/s_fmaf.c deleted file mode 100644 index d132c20..0000000 --- a/sysdeps/powerpc/fpu/s_fmaf.c +++ /dev/null @@ -1,27 +0,0 @@ -/* Compute x * y + z as ternary operation. PowerPC version. - Copyright (C) 2019-2020 Free Software Foundation, Inc. - This file is part of the GNU C Library. - - The GNU C Library is free software; you can redistribute it and/or - modify it under the terms of the GNU Lesser General Public - License as published by the Free Software Foundation; either - version 2.1 of the License, or (at your option) any later version. - - The GNU C Library is distributed in the hope that it will be useful, - but WITHOUT ANY WARRANTY; without even the implied warranty of - MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - Lesser General Public License for more details. - - You should have received a copy of the GNU Lesser General Public - License along with the GNU C Library; if not, see - <https://www.gnu.org/licenses/>. */ - -#include <sysdep.h> -#include <libm-alias-float.h> - -float -__fmaf (float x, float y, float z) -{ - return __builtin_fmaf (x, y, z); -} -libm_alias_float (__fma, fma) |