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1663be053d
Here is implementation of vectorized expf containing SSE, AVX, AVX2 and AVX512 versions according to Vector ABI <https://groups.google.com/forum/#!topic/x86-64-abi/LmppCfN1rZ4>. * sysdeps/unix/sysv/linux/x86_64/libmvec.abilist: New symbols added. * sysdeps/x86/fpu/bits/math-vector.h: Added SIMD declaration and asm redirections for expf. * sysdeps/x86_64/fpu/Makefile (libmvec-support): Added new files. * sysdeps/x86_64/fpu/Versions: New versions added. * sysdeps/x86_64/fpu/libm-test-ulps: Regenerated. * sysdeps/x86_64/fpu/multiarch/Makefile (libmvec-sysdep_routines): Added build of SSE, AVX2 and AVX512 IFUNC versions. * sysdeps/x86_64/fpu/multiarch/svml_s_expf16_core.S: New file. * sysdeps/x86_64/fpu/multiarch/svml_s_expf16_core_avx512.S: New file. * sysdeps/x86_64/fpu/multiarch/svml_s_expf4_core.S: New file. * sysdeps/x86_64/fpu/multiarch/svml_s_expf4_core_sse4.S: New file. * sysdeps/x86_64/fpu/multiarch/svml_s_expf8_core.S: New file. * sysdeps/x86_64/fpu/multiarch/svml_s_expf8_core_avx2.S: New file. * sysdeps/x86_64/fpu/svml_s_expf16_core.S: New file. * sysdeps/x86_64/fpu/svml_s_expf4_core.S: New file. * sysdeps/x86_64/fpu/svml_s_expf8_core.S: New file. * sysdeps/x86_64/fpu/svml_s_expf8_core_avx.S: New file. * sysdeps/x86_64/fpu/svml_s_expf_data.S: New file. * sysdeps/x86_64/fpu/svml_s_expf_data.h: New file. * sysdeps/x86_64/fpu/test-float-vlen16-wrappers.c: Vector expf tests. * sysdeps/x86_64/fpu/test-float-vlen16.c: Likewise. * sysdeps/x86_64/fpu/test-float-vlen4-wrappers.c: Likewise. * sysdeps/x86_64/fpu/test-float-vlen4.c: Likewise. * sysdeps/x86_64/fpu/test-float-vlen8-avx2-wrappers.c: Likewise. * sysdeps/x86_64/fpu/test-float-vlen8-avx2.c: Likewise. * sysdeps/x86_64/fpu/test-float-vlen8-wrappers.c: Likewise. * sysdeps/x86_64/fpu/test-float-vlen8.c: Likewise. * NEWS: Mention addition of x86_64 vector expf.
71 lines
2.8 KiB
C
71 lines
2.8 KiB
C
/* Platform-specific SIMD declarations of math functions.
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Copyright (C) 2014-2015 Free Software Foundation, Inc.
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This file is part of the GNU C Library.
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The GNU C Library is free software; you can redistribute it and/or
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modify it under the terms of the GNU Lesser General Public
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License as published by the Free Software Foundation; either
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version 2.1 of the License, or (at your option) any later version.
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The GNU C Library is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public
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License along with the GNU C Library; if not, see
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<http://www.gnu.org/licenses/>. */
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#ifndef _MATH_H
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# error "Never include <bits/math-vector.h> directly;\
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include <math.h> instead."
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#endif
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/* Get default empty definitions for simd declarations. */
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#include <bits/libm-simd-decl-stubs.h>
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#if defined __x86_64__ && defined __FAST_MATH__
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# if defined _OPENMP && _OPENMP >= 201307
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/* OpenMP case. */
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# define __DECL_SIMD_x86_64 _Pragma ("omp declare simd notinbranch")
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# undef __DECL_SIMD_cos
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# define __DECL_SIMD_cos __DECL_SIMD_x86_64
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# undef __DECL_SIMD_cosf
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# define __DECL_SIMD_cosf __DECL_SIMD_x86_64
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# undef __DECL_SIMD_sin
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# define __DECL_SIMD_sin __DECL_SIMD_x86_64
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# undef __DECL_SIMD_sinf
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# define __DECL_SIMD_sinf __DECL_SIMD_x86_64
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# undef __DECL_SIMD_log
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# define __DECL_SIMD_log __DECL_SIMD_x86_64
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# undef __DECL_SIMD_logf
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# define __DECL_SIMD_logf __DECL_SIMD_x86_64
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# undef __DECL_SIMD_exp
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# define __DECL_SIMD_exp __DECL_SIMD_x86_64
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# undef __DECL_SIMD_expf
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# define __DECL_SIMD_expf __DECL_SIMD_x86_64
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/* Workaround to exclude unnecessary symbol aliases in libmvec
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while GCC creates the vector names based on scalar asm name.
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Corresponding discussion started at
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<https://gcc.gnu.org/ml/gcc/2015-06/msg00173.html>. */
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__asm__ ("_ZGVbN2v___log_finite = _ZGVbN2v_log");
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__asm__ ("_ZGVcN4v___log_finite = _ZGVcN4v_log");
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__asm__ ("_ZGVdN4v___log_finite = _ZGVdN4v_log");
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__asm__ ("_ZGVeN8v___log_finite = _ZGVeN8v_log");
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__asm__ ("_ZGVbN4v___logf_finite = _ZGVbN4v_logf");
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__asm__ ("_ZGVcN8v___logf_finite = _ZGVcN8v_logf");
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__asm__ ("_ZGVdN8v___logf_finite = _ZGVdN8v_logf");
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__asm__ ("_ZGVeN16v___logf_finite = _ZGVeN16v_logf");
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__asm__ ("_ZGVbN2v___exp_finite = _ZGVbN2v_exp");
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__asm__ ("_ZGVcN4v___exp_finite = _ZGVcN4v_exp");
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__asm__ ("_ZGVdN4v___exp_finite = _ZGVdN4v_exp");
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__asm__ ("_ZGVeN8v___exp_finite = _ZGVeN8v_exp");
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__asm__ ("_ZGVbN4v___expf_finite = _ZGVbN4v_expf");
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__asm__ ("_ZGVcN8v___expf_finite = _ZGVcN8v_expf");
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__asm__ ("_ZGVdN8v___expf_finite = _ZGVdN8v_expf");
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__asm__ ("_ZGVeN16v___expf_finite = _ZGVeN16v_expf");
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# endif
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#endif
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