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774488f88a
Here is implementation of vectorized logf 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 logf. * 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_logf16_core.S: New file. * sysdeps/x86_64/fpu/multiarch/svml_s_logf16_core_avx512.S: New file. * sysdeps/x86_64/fpu/multiarch/svml_s_logf4_core.S: New file. * sysdeps/x86_64/fpu/multiarch/svml_s_logf4_core_sse4.S: New file. * sysdeps/x86_64/fpu/multiarch/svml_s_logf8_core.S: New file. * sysdeps/x86_64/fpu/multiarch/svml_s_logf8_core_avx2.S: New file. * sysdeps/x86_64/fpu/svml_s_logf16_core.S: New file. * sysdeps/x86_64/fpu/svml_s_logf4_core.S: New file. * sysdeps/x86_64/fpu/svml_s_logf8_core.S: New file. * sysdeps/x86_64/fpu/svml_s_logf8_core_avx.S: New file. * sysdeps/x86_64/fpu/svml_s_logf_data.S: New file. * sysdeps/x86_64/fpu/svml_s_logf_data.h: New file. * sysdeps/x86_64/fpu/test-float-vlen16-wrappers.c: Vector logf 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 logf.
103 lines
2.5 KiB
ArmAsm
103 lines
2.5 KiB
ArmAsm
/* Data for vector function logf.
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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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#include "svml_s_logf_data.h"
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.section .rodata, "a"
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.align 64
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/* Data table for vector implementations of function logf.
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The table may contain polynomial, reduction, lookup coefficients and
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other coefficients obtained through different methods of research and
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experimental work. */
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.globl __svml_slog_data
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__svml_slog_data:
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/* Polynomial sPoly[] coefficients:
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* -5.0000000000000000000000000e-01 */
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float_vector _sPoly_1 0xbf000000
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/* 3.3336564898490905761718750e-01 */
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float_vector _sPoly_2 0x3eaaaee7
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/* -2.5004664063453674316406250e-01 */
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float_vector _sPoly_3 0xbe80061d
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/* 1.9822503626346588134765625e-01 */
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float_vector _sPoly_4 0x3e4afb81
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/* -1.6462457180023193359375000e-01 */
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float_vector _sPoly_5 0xbe289358
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/* 1.6964881122112274169921875e-01 */
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float_vector _sPoly_6 0x3e2db86b
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/* -1.5177205204963684082031250e-01 */
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float_vector _sPoly_7 0xbe1b6a22
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/* Constant for work range check: Delta 80000000-7f800000 */
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float_vector _iHiDelta 0x00800000
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/* Constant for work range check: 00800000 + Delta */
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float_vector _iLoRange 0x01000000
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/* Mantissa break point SP 2/3 */
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float_vector _iBrkValue 0x3f2aaaab
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/* SP significand mask */
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float_vector _iOffExpoMask 0x007fffff
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/* 1.0f */
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float_vector _sOne 0x3f800000
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/* SP log(2) */
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float_vector _sLn2 0x3f317218
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/* SP infinity, +/- */
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.if .-__svml_slog_data != _sInfs
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.err
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.endif
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.long 0x7f800000
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.long 0xff800000
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.rept 56
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.byte 0
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.endr
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/* SP one, +/- */
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.if .-__svml_slog_data != _sOnes
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.err
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.endif
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.long 0x3f800000
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.long 0xbf800000
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.rept 56
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.byte 0
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.endr
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/* SP zero +/- */
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.if .-__svml_slog_data != _sZeros
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.err
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.endif
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.long 0x00000000
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.long 0x80000000
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.rept 56
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.byte 0
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.endr
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.type __svml_slog_data,@object
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.size __svml_slog_data,.-__svml_slog_data
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