From a7a3435c9a0769744c7748f9d95510d0a99be7d1 Mon Sep 17 00:00:00 2001 From: Vineet Gupta Date: Fri, 29 May 2020 16:12:44 -0700 Subject: 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 --- sysdeps/powerpc/fpu/math-use-builtins.h | 69 +++++++++++++++++++++++++++++++++ sysdeps/powerpc/fpu/s_fma.c | 27 ------------- sysdeps/powerpc/fpu/s_fmaf.c | 27 ------------- 3 files changed, 69 insertions(+), 54 deletions(-) create mode 100644 sysdeps/powerpc/fpu/math-use-builtins.h delete mode 100644 sysdeps/powerpc/fpu/s_fma.c delete mode 100644 sysdeps/powerpc/fpu/s_fmaf.c diff --git a/sysdeps/powerpc/fpu/math-use-builtins.h b/sysdeps/powerpc/fpu/math-use-builtins.h new file mode 100644 index 0000000000..4780934379 --- /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 + . */ + +#ifndef MATH_USE_BUILTINS_H +#define MATH_USE_BUILTINS_H 1 + +#include /* 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 9ddd132534..0000000000 --- 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 - . */ - -#include -#include - -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 d132c20125..0000000000 --- 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 - . */ - -#include -#include - -float -__fmaf (float x, float y, float z) -{ - return __builtin_fmaf (x, y, z); -} -libm_alias_float (__fma, fma) -- cgit 1.4.1