glibc/sysdeps/i386/i686/multiarch/s_fma.c

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/* Multiple versions of fma.
Copyright (C) 2010-2021 Free Software Foundation, Inc.
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Contributed by Intel Corporation.
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
Prefer https to http for gnu.org and fsf.org URLs Also, change sources.redhat.com to sourceware.org. This patch was automatically generated by running the following shell script, which uses GNU sed, and which avoids modifying files imported from upstream: sed -ri ' s,(http|ftp)(://(.*\.)?(gnu|fsf|sourceware)\.org($|[^.]|\.[^a-z])),https\2,g s,(http|ftp)(://(.*\.)?)sources\.redhat\.com($|[^.]|\.[^a-z]),https\2sourceware.org\4,g ' \ $(find $(git ls-files) -prune -type f \ ! -name '*.po' \ ! -name 'ChangeLog*' \ ! -path COPYING ! -path COPYING.LIB \ ! -path manual/fdl-1.3.texi ! -path manual/lgpl-2.1.texi \ ! -path manual/texinfo.tex ! -path scripts/config.guess \ ! -path scripts/config.sub ! -path scripts/install-sh \ ! -path scripts/mkinstalldirs ! -path scripts/move-if-change \ ! -path INSTALL ! -path locale/programs/charmap-kw.h \ ! -path po/libc.pot ! -path sysdeps/gnu/errlist.c \ ! '(' -name configure \ -execdir test -f configure.ac -o -f configure.in ';' ')' \ ! '(' -name preconfigure \ -execdir test -f preconfigure.ac ';' ')' \ -print) and then by running 'make dist-prepare' to regenerate files built from the altered files, and then executing the following to cleanup: chmod a+x sysdeps/unix/sysv/linux/riscv/configure # Omit irrelevant whitespace and comment-only changes, # perhaps from a slightly-different Autoconf version. git checkout -f \ sysdeps/csky/configure \ sysdeps/hppa/configure \ sysdeps/riscv/configure \ sysdeps/unix/sysv/linux/csky/configure # Omit changes that caused a pre-commit check to fail like this: # remote: *** error: sysdeps/powerpc/powerpc64/ppc-mcount.S: trailing lines git checkout -f \ sysdeps/powerpc/powerpc64/ppc-mcount.S \ sysdeps/unix/sysv/linux/s390/s390-64/syscall.S # Omit change that caused a pre-commit check to fail like this: # remote: *** error: sysdeps/sparc/sparc64/multiarch/memcpy-ultra3.S: last line does not end in newline git checkout -f sysdeps/sparc/sparc64/multiarch/memcpy-ultra3.S
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<https://www.gnu.org/licenses/>. */
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#include <config.h>
#include <math.h>
#include <init-arch.h>
Use libm_alias_double for i386. Continuing the preparation for additional _FloatN / _FloatNx function aliases, this patch makes i386 libm function implementations use libm_alias_double to define function aliases. Tested with build-many-glibcs.py for all its i386 configurations that installed stripped shared libraries are unchanged by the patch, as well as running the full glibc testsuite for i686. * sysdeps/i386/fpu/s_asinh.S: Include <libm-alias-double.h>. (asinh): Define using libm_alias_double. * sysdeps/i386/fpu/s_atan.S: Include <libm-alias-double.h>. (atan): Define using libm_alias_double. * sysdeps/i386/fpu/s_cbrt.S: Include <libm-alias-double.h>. (cbrt): Define using libm_alias_double. * sysdeps/i386/fpu/s_ceil.S: Include <libm-alias-double.h>. (ceil): Define using libm_alias_double. * sysdeps/i386/fpu/s_copysign.S: Include <libm-alias-double.h>. (copysign): Define using libm_alias_double. * sysdeps/i386/fpu/s_expm1.S: Include <libm-alias-double.h>. (expm1): Define using libm_alias_double. * sysdeps/i386/fpu/s_fabs.S: Include <libm-alias-double.h>. (fabs): Define using libm_alias_double. * sysdeps/i386/fpu/s_fdim.c: Include <libm-alias-double.h>. (fdim): Define using libm_alias_double. * sysdeps/i386/fpu/s_floor.S: Include <libm-alias-double.h>. (floor): Define using libm_alias_double. * sysdeps/i386/fpu/s_fmax.S: Include <libm-alias-double.h>. (fmax): Define using libm_alias_double. * sysdeps/i386/fpu/s_fmin.S: Include <libm-alias-double.h>. (fmin): Define using libm_alias_double. * sysdeps/i386/fpu/s_frexp.S: Include <libm-alias-double.h>. (frexp): Define using libm_alias_double. * sysdeps/i386/fpu/s_llrint.S: Include <libm-alias-double.h>. (llrint): Define using libm_alias_double. * sysdeps/i386/fpu/s_logb.S: Include <libm-alias-double.h>. (logb): Define using libm_alias_double. * sysdeps/i386/fpu/s_lrint.S: Include <libm-alias-double.h>. (lrint): Define using libm_alias_double. * sysdeps/i386/fpu/s_nearbyint.S: Include <libm-alias-double.h>. (nearbyint): Define using libm_alias_double. * sysdeps/i386/fpu/s_remquo.S: Include <libm-alias-double.h>. (remquo): Define using libm_alias_double. * sysdeps/i386/fpu/s_rint.S: Include <libm-alias-double.h>. (rint): Define using libm_alias_double. * sysdeps/i386/fpu/s_trunc.S: Include <libm-alias-double.h>. (trunc): Define using libm_alias_double. * sysdeps/i386/i686/fpu/s_fmax.S: Include <libm-alias-double.h>. (fmax): Define using libm_alias_double. * sysdeps/i386/i686/fpu/s_fmin.S: Include <libm-alias-double.h>. (fmin): Define using libm_alias_double. * sysdeps/i386/i686/multiarch/s_fma.c: Include <libm-alias-double.h>. (fma): Define using libm_alias_double.
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#include <libm-alias-double.h>
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extern double __fma_ia32 (double x, double y, double z) attribute_hidden;
extern double __fma_fma (double x, double y, double z) attribute_hidden;
Update i686 multiarch functions for <cpu-features.h> This patch updates i686 multiarch functions to use the newly defined HAS_CPU_FEATURE, HAS_ARCH_FEATURE, LOAD_GOT_AND_RTLD_GLOBAL_RO and LOAD_FUNC_GOT_EAX from <cpu-features.h>. * sysdeps/i386/i686/fpu/multiarch/e_expf.c: Replace HAS_XXX with HAS_CPU_FEATURE/HAS_ARCH_FEATURE (XXX). * sysdeps/i386/i686/fpu/multiarch/s_cosf.c: Likewise. * sysdeps/i386/i686/fpu/multiarch/s_cosf.c: Likewise. * sysdeps/i386/i686/fpu/multiarch/s_sincosf.c: Likewise. * sysdeps/i386/i686/fpu/multiarch/s_sinf.c: Likewise. * sysdeps/i386/i686/multiarch/ifunc-impl-list.c: Likewise. * sysdeps/i386/i686/multiarch/s_fma.c: Likewise. * sysdeps/i386/i686/multiarch/s_fmaf.c: Likewise. * sysdeps/i386/i686/multiarch/bcopy.S: Remove __init_cpu_features call. Merge SHARED and !SHARED. Add LOAD_GOT_AND_RTLD_GLOBAL_RO. Use LOAD_FUNC_GOT_EAX to load function address. Replace HAS_XXX with HAS_CPU_FEATURE/HAS_ARCH_FEATURE (XXX). * sysdeps/i386/i686/multiarch/bzero.S: Likewise. * sysdeps/i386/i686/multiarch/memchr.S: Likewise. * sysdeps/i386/i686/multiarch/memcmp.S: Likewise. * sysdeps/i386/i686/multiarch/memcpy.S: Likewise. * sysdeps/i386/i686/multiarch/memcpy_chk.S: Likewise. * sysdeps/i386/i686/multiarch/memmove.S: Likewise. * sysdeps/i386/i686/multiarch/memmove_chk.S: Likewise. * sysdeps/i386/i686/multiarch/mempcpy.S: Likewise. * sysdeps/i386/i686/multiarch/mempcpy_chk.S: Likewise. * sysdeps/i386/i686/multiarch/memrchr.S: Likewise. * sysdeps/i386/i686/multiarch/memset.S: Likewise. * sysdeps/i386/i686/multiarch/memset_chk.S: Likewise. * sysdeps/i386/i686/multiarch/rawmemchr.S: Likewise. * sysdeps/i386/i686/multiarch/strcasecmp.S: Likewise. * sysdeps/i386/i686/multiarch/strcat.S: Likewise. * sysdeps/i386/i686/multiarch/strchr.S: Likewise. * sysdeps/i386/i686/multiarch/strcmp.S: Likewise. * sysdeps/i386/i686/multiarch/strcpy.S: Likewise. * sysdeps/i386/i686/multiarch/strcspn.S: Likewise. * sysdeps/i386/i686/multiarch/strlen.S: Likewise. * sysdeps/i386/i686/multiarch/strncase.S: Likewise. * sysdeps/i386/i686/multiarch/strnlen.S: Likewise. * sysdeps/i386/i686/multiarch/strrchr.S: Likewise. * sysdeps/i386/i686/multiarch/strspn.S: Likewise. * sysdeps/i386/i686/multiarch/wcschr.S: Likewise. * sysdeps/i386/i686/multiarch/wcscmp.S: Likewise. * sysdeps/i386/i686/multiarch/wcscpy.S: Likewise. * sysdeps/i386/i686/multiarch/wcslen.S: Likewise. * sysdeps/i386/i686/multiarch/wcsrchr.S: Likewise. * sysdeps/i386/i686/multiarch/wmemcmp.S: Likewise.
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libm_ifunc (__fma,
CPU_FEATURE_USABLE (FMA) ? __fma_fma : __fma_ia32);
Use libm_alias_double for i386. Continuing the preparation for additional _FloatN / _FloatNx function aliases, this patch makes i386 libm function implementations use libm_alias_double to define function aliases. Tested with build-many-glibcs.py for all its i386 configurations that installed stripped shared libraries are unchanged by the patch, as well as running the full glibc testsuite for i686. * sysdeps/i386/fpu/s_asinh.S: Include <libm-alias-double.h>. (asinh): Define using libm_alias_double. * sysdeps/i386/fpu/s_atan.S: Include <libm-alias-double.h>. (atan): Define using libm_alias_double. * sysdeps/i386/fpu/s_cbrt.S: Include <libm-alias-double.h>. (cbrt): Define using libm_alias_double. * sysdeps/i386/fpu/s_ceil.S: Include <libm-alias-double.h>. (ceil): Define using libm_alias_double. * sysdeps/i386/fpu/s_copysign.S: Include <libm-alias-double.h>. (copysign): Define using libm_alias_double. * sysdeps/i386/fpu/s_expm1.S: Include <libm-alias-double.h>. (expm1): Define using libm_alias_double. * sysdeps/i386/fpu/s_fabs.S: Include <libm-alias-double.h>. (fabs): Define using libm_alias_double. * sysdeps/i386/fpu/s_fdim.c: Include <libm-alias-double.h>. (fdim): Define using libm_alias_double. * sysdeps/i386/fpu/s_floor.S: Include <libm-alias-double.h>. (floor): Define using libm_alias_double. * sysdeps/i386/fpu/s_fmax.S: Include <libm-alias-double.h>. (fmax): Define using libm_alias_double. * sysdeps/i386/fpu/s_fmin.S: Include <libm-alias-double.h>. (fmin): Define using libm_alias_double. * sysdeps/i386/fpu/s_frexp.S: Include <libm-alias-double.h>. (frexp): Define using libm_alias_double. * sysdeps/i386/fpu/s_llrint.S: Include <libm-alias-double.h>. (llrint): Define using libm_alias_double. * sysdeps/i386/fpu/s_logb.S: Include <libm-alias-double.h>. (logb): Define using libm_alias_double. * sysdeps/i386/fpu/s_lrint.S: Include <libm-alias-double.h>. (lrint): Define using libm_alias_double. * sysdeps/i386/fpu/s_nearbyint.S: Include <libm-alias-double.h>. (nearbyint): Define using libm_alias_double. * sysdeps/i386/fpu/s_remquo.S: Include <libm-alias-double.h>. (remquo): Define using libm_alias_double. * sysdeps/i386/fpu/s_rint.S: Include <libm-alias-double.h>. (rint): Define using libm_alias_double. * sysdeps/i386/fpu/s_trunc.S: Include <libm-alias-double.h>. (trunc): Define using libm_alias_double. * sysdeps/i386/i686/fpu/s_fmax.S: Include <libm-alias-double.h>. (fmax): Define using libm_alias_double. * sysdeps/i386/i686/fpu/s_fmin.S: Include <libm-alias-double.h>. (fmin): Define using libm_alias_double. * sysdeps/i386/i686/multiarch/s_fma.c: Include <libm-alias-double.h>. (fma): Define using libm_alias_double.
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libm_alias_double (__fma, fma)
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Remove configure tests for AVX support. GCC added support for -mavx and -msse2avx in version 4.4. Thus the configure tests for this support are obsolete, and this patch removes them. Tested for x86_64 and x86 (testsuite, and that installed stripped shared libraries are unchanged by this patch). * sysdeps/i386/configure.ac (libc_cv_cc_avx): Remove configure test. (libc_cv_cc_sse2avx): Likewise. * sysdeps/i386/configure: Regenerated. * sysdeps/i386/i686/multiarch/Makefile [$(subdir)$(config-cflags-avx) = mathyes]: Change conditional to [$(subdir) = math]. * sysdeps/i386/i686/multiarch/s_fma-fma.c [HAVE_AVX_SUPPORT]: Make code unconditional. * sysdeps/i386/i686/multiarch/s_fma.c [HAVE_AVX_SUPPORT]: Likewise. * sysdeps/i386/i686/multiarch/s_fmaf-fma.c [HAVE_AVX_SUPPORT]: Likewise. * sysdeps/i386/i686/multiarch/s_fmaf.c [HAVE_AVX_SUPPORT]: Likewise. * sysdeps/x86_64/configure.ac (libc_cv_cc_avx): Remove configure test. (libc_cv_cc_sse2avx): Likewise. * sysdeps/x86_64/configure: Regenerated. * sysdeps/x86_64/Makefile [$(config-cflags-avx) = yes]: Make code unconditional. * sysdeps/x86_64/dl-trampoline.h (_dl_runtime_profile) [HAVE_AVX_SUPPORT || HAVE_AVX512_ASM_SUPPORT]: Make code unconditional. (_dl_runtime_profile) [!(HAVE_AVX_SUPPORT || HAVE_AVX512_ASM_SUPPORT)]: Remove conditional code. * sysdeps/x86_64/fpu/multiarch/Makefile [$(config-cflags-sse2avx) = yes]: Make code unconditional. * sysdeps/x86_64/fpu/multiarch/e_atan2.c [HAVE_FMA4_SUPPORT || HAVE_AVX_SUPPORT]: Likewise. * sysdeps/x86_64/fpu/multiarch/e_exp.c [HAVE_FMA4_SUPPORT || HAVE_AVX_SUPPORT]: Likewise. * sysdeps/x86_64/fpu/multiarch/e_log.c [HAVE_FMA4_SUPPORT || HAVE_AVX_SUPPORT]: Likewise. * sysdeps/x86_64/fpu/multiarch/s_atan.c [HAVE_FMA4_SUPPORT || HAVE_AVX_SUPPORT]: Likewise. * sysdeps/x86_64/fpu/multiarch/s_fma.c [HAVE_AVX_SUPPORT]: Likewise. * sysdeps/x86_64/fpu/multiarch/s_fmaf.c [HAVE_AVX_SUPPORT]: Likewise. * sysdeps/x86_64/fpu/multiarch/s_sin.c [HAVE_FMA4_SUPPORT || HAVE_AVX_SUPPORT]: Likewise. * sysdeps/x86_64/fpu/multiarch/s_tan.c [HAVE_FMA4_SUPPORT || HAVE_AVX_SUPPORT]: Likewise. * sysdeps/x86_64/multiarch/strcmp.S [HAVE_AVX_SUPPORT]: Likewise. * config.h.in (HAVE_AVX_SUPPORT): Remove #undef. (HAVE_SSE2AVX_SUPPORT): Likewise.
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#define __fma __fma_ia32
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#include <sysdeps/ieee754/ldbl-96/s_fma.c>