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Vector log for x86_64 and tests.

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Here is implementation of vectorized log containing SSE, AVX,
AVX2 and AVX512 versions according to Vector ABI
<https://groups.google.com/forum/#!topic/x86-64-abi/LmppCfN1rZ4>.

    * bits/libm-simd-decl-stubs.h: Added stubs for log.
    * math/bits/mathcalls.h: Added log declaration with __MATHCALL_VEC.
    * sysdeps/unix/sysv/linux/x86_64/libmvec.abilist: New versions added.
    * sysdeps/x86/fpu/bits/math-vector.h: Added SIMD declaration and asm
    redirections for log.
    * 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_d_log2_core.S: New file.
    * sysdeps/x86_64/fpu/multiarch/svml_d_log2_core_sse4.S: New file.
    * sysdeps/x86_64/fpu/multiarch/svml_d_log4_core.S: New file.
    * sysdeps/x86_64/fpu/multiarch/svml_d_log4_core_avx2.S: New file.
    * sysdeps/x86_64/fpu/multiarch/svml_d_log8_core.S: New file.
    * sysdeps/x86_64/fpu/multiarch/svml_d_log8_core_avx512.S: New file.
    * sysdeps/x86_64/fpu/svml_d_log2_core.S: New file.
    * sysdeps/x86_64/fpu/svml_d_log4_core.S: New file.
    * sysdeps/x86_64/fpu/svml_d_log4_core_avx.S: New file.
    * sysdeps/x86_64/fpu/svml_d_log8_core.S: New file.
    * sysdeps/x86_64/fpu/svml_d_log_data.S: New file.
    * sysdeps/x86_64/fpu/svml_d_log_data.h: New file.
    * sysdeps/x86_64/fpu/test-double-vlen2-wrappers.c: Added vector log test.
    * sysdeps/x86_64/fpu/test-double-vlen2.c: Likewise.
    * sysdeps/x86_64/fpu/test-double-vlen4-avx2-wrappers.c: Likewise.
    * sysdeps/x86_64/fpu/test-double-vlen4-avx2.c: Likewise.
    * sysdeps/x86_64/fpu/test-double-vlen4-wrappers.c: Likewise.
    * sysdeps/x86_64/fpu/test-double-vlen4.c: Likewise.
    * sysdeps/x86_64/fpu/test-double-vlen8-wrappers.c: Likewise.
    * sysdeps/x86_64/fpu/test-double-vlen8.c: Likewise.
    * NEWS: Mention addition of x86_64 vector log.
This commit is contained in:
Andrew Senkevich 2015-06-17 15:38:29 +03:00
parent c71c89e5c7
commit 6af25acc7b
30 changed files with 2927 additions and 2 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

34
ChangeLog
View File

@ -1,3 +1,37 @@
2015-06-17 Andrew Senkevich <andrew.senkevich@intel.com>
* bits/libm-simd-decl-stubs.h: Added stubs for log.
* math/bits/mathcalls.h: Added log declaration with __MATHCALL_VEC.
* sysdeps/unix/sysv/linux/x86_64/libmvec.abilist: New versions added.
* sysdeps/x86/fpu/bits/math-vector.h: Added SIMD declaration and asm
redirections for log.
* 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_d_log2_core.S: New file.
* sysdeps/x86_64/fpu/multiarch/svml_d_log2_core_sse4.S: New file.
* sysdeps/x86_64/fpu/multiarch/svml_d_log4_core.S: New file.
* sysdeps/x86_64/fpu/multiarch/svml_d_log4_core_avx2.S: New file.
* sysdeps/x86_64/fpu/multiarch/svml_d_log8_core.S: New file.
* sysdeps/x86_64/fpu/multiarch/svml_d_log8_core_avx512.S: New file.
* sysdeps/x86_64/fpu/svml_d_log2_core.S: New file.
* sysdeps/x86_64/fpu/svml_d_log4_core.S: New file.
* sysdeps/x86_64/fpu/svml_d_log4_core_avx.S: New file.
* sysdeps/x86_64/fpu/svml_d_log8_core.S: New file.
* sysdeps/x86_64/fpu/svml_d_log_data.S: New file.
* sysdeps/x86_64/fpu/svml_d_log_data.h: New file.
* sysdeps/x86_64/fpu/test-double-vlen2-wrappers.c: Added vector log test.
* sysdeps/x86_64/fpu/test-double-vlen2.c: Likewise.
* sysdeps/x86_64/fpu/test-double-vlen4-avx2-wrappers.c: Likewise.
* sysdeps/x86_64/fpu/test-double-vlen4-avx2.c: Likewise.
* sysdeps/x86_64/fpu/test-double-vlen4-wrappers.c: Likewise.
* sysdeps/x86_64/fpu/test-double-vlen4.c: Likewise.
* sysdeps/x86_64/fpu/test-double-vlen8-wrappers.c: Likewise.
* sysdeps/x86_64/fpu/test-double-vlen8.c: Likewise.
* NEWS: Mention addition of x86_64 vector log.
2015-06-17 Szabolcs Nagy <szabolcs.nagy@arm.com>
* sysdeps/aarch64/dl-tlsdesc.S (_dl_tlsdesc_return_lazy): Fix

2
NEWS
View File

@ -53,7 +53,7 @@ Version 2.22
condition in some applications.
* Added vector math library named libmvec with the following vectorized x86_64
implementations: cos, cosf, sin, sinf.
implementations: cos, cosf, sin, sinf, log.
The library can be disabled with --disable-mathvec. Use of the functions is
enabled with -fopenmp -ffast-math starting from -O1 for GCC version >= 4.9.0.
The library is linked in as needed when using -lm (no need to specify -lmvec

4
bits/libm-simd-decl-stubs.h
View File

@ -41,4 +41,8 @@
#define __DECL_SIMD_sinf
#define __DECL_SIMD_sinl
#define __DECL_SIMD_log
#define __DECL_SIMD_logf
#define __DECL_SIMD_logl
#endif

2
math/bits/mathcalls.h
View File

@ -106,7 +106,7 @@ __MATHCALL (frexp,, (_Mdouble_ __x, int *__exponent));
__MATHCALL (ldexp,, (_Mdouble_ __x, int __exponent));
/* Natural logarithm of X. */
__MATHCALL (log,, (_Mdouble_ __x));
__MATHCALL_VEC (log,, (_Mdouble_ __x));
/* Base-ten logarithm of X. */
__MATHCALL (log10,, (_Mdouble_ __x));

4
sysdeps/unix/sysv/linux/x86_64/libmvec.abilist
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@ -1,18 +1,22 @@
GLIBC_2.22
GLIBC_2.22 A
_ZGVbN2v_cos F
_ZGVbN2v_log F
_ZGVbN2v_sin F
_ZGVbN4v_cosf F
_ZGVbN4v_sinf F
_ZGVcN4v_cos F
_ZGVcN4v_log F
_ZGVcN4v_sin F
_ZGVcN8v_cosf F
_ZGVcN8v_sinf F
_ZGVdN4v_cos F
_ZGVdN4v_log F
_ZGVdN4v_sin F
_ZGVdN8v_cosf F
_ZGVdN8v_sinf F
_ZGVeN16v_cosf F
_ZGVeN16v_sinf F
_ZGVeN8v_cos F
_ZGVeN8v_log F
_ZGVeN8v_sin F

12
sysdeps/x86/fpu/bits/math-vector.h
View File

@ -36,5 +36,17 @@
# define __DECL_SIMD_sin __DECL_SIMD_x86_64
# undef __DECL_SIMD_sinf
# define __DECL_SIMD_sinf __DECL_SIMD_x86_64
# undef __DECL_SIMD_log
# define __DECL_SIMD_log __DECL_SIMD_x86_64
/* Workaround to exclude unnecessary symbol aliases in libmvec
while GCC creates the vector names based on scalar asm name.
Corresponding discussion started at
<https://gcc.gnu.org/ml/gcc/2015-06/msg00173.html>. */
__asm__ ("_ZGVbN2v___log_finite = _ZGVbN2v_log");
__asm__ ("_ZGVcN4v___log_finite = _ZGVcN4v_log");
__asm__ ("_ZGVdN4v___log_finite = _ZGVdN4v_log");
__asm__ ("_ZGVeN8v___log_finite = _ZGVeN8v_log");
# endif
#endif

2
sysdeps/x86_64/fpu/Makefile
View File

@ -7,6 +7,8 @@ libmvec-support += svml_d_cos2_core svml_d_cos4_core_avx \
svml_s_cosf8_core svml_s_cosf16_core svml_s_cosf_data \
svml_s_sinf4_core svml_s_sinf8_core_avx \
svml_s_sinf8_core svml_s_sinf16_core svml_s_sinf_data \
svml_d_log2_core svml_d_log4_core_avx svml_d_log4_core \
svml_d_log8_core svml_d_log_data \
init-arch
endif

1
sysdeps/x86_64/fpu/Versions
View File

@ -2,6 +2,7 @@ libmvec {
GLIBC_2.22 {
_ZGVbN2v_cos; _ZGVcN4v_cos; _ZGVdN4v_cos; _ZGVeN8v_cos;
_ZGVbN2v_sin; _ZGVcN4v_sin; _ZGVdN4v_sin; _ZGVeN8v_sin;
_ZGVbN2v_log; _ZGVcN4v_log; _ZGVdN4v_log; _ZGVeN8v_log;
_ZGVbN4v_cosf; _ZGVcN8v_cosf; _ZGVdN8v_cosf; _ZGVeN16v_cosf;
_ZGVbN4v_sinf; _ZGVcN8v_sinf; _ZGVdN8v_sinf; _ZGVeN16v_sinf;
}

12
sysdeps/x86_64/fpu/libm-test-ulps
View File

@ -1847,6 +1847,18 @@ ifloat: 2
ildouble: 1
ldouble: 1
Function: "log_vlen2":
double: 1
Function: "log_vlen4":
double: 1
Function: "log_vlen4_avx2":
double: 1
Function: "log_vlen8":
double: 1
Function: "pow":
float: 3
ifloat: 3

2
sysdeps/x86_64/fpu/multiarch/Makefile
View File

@ -56,6 +56,8 @@ ifeq ($(subdir),mathvec)
libmvec-sysdep_routines += svml_d_cos2_core_sse4 svml_d_cos4_core_avx2 \
svml_d_cos8_core_avx512 svml_d_sin2_core_sse4 \
svml_d_sin4_core_avx2 svml_d_sin8_core_avx512 \
svml_d_log2_core_sse4 svml_d_log4_core_avx2 \
svml_d_log8_core_avx512 \
svml_s_cosf4_core_sse4 svml_s_cosf8_core_avx2 \
svml_s_cosf16_core_avx512 svml_s_sinf4_core_sse4 \
svml_s_sinf8_core_avx2 svml_s_sinf16_core_avx512

38
sysdeps/x86_64/fpu/multiarch/svml_d_log2_core.S Normal file
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@ -0,0 +1,38 @@
/* Multiple versions of vectorized log.
Copyright (C) 2014-2015 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
<http://www.gnu.org/licenses/>. */
#include <sysdep.h>
#include <init-arch.h>
.text
ENTRY (_ZGVbN2v_log)
.type _ZGVbN2v_log, @gnu_indirect_function
cmpl $0, KIND_OFFSET+__cpu_features(%rip)
jne 1f
call __init_cpu_features
1: leaq _ZGVbN2v_log_sse4(%rip), %rax
testl $bit_SSE4_1, __cpu_features+CPUID_OFFSET+index_SSE4_1(%rip)
jz 2f
ret
2: leaq _ZGVbN2v_log_sse2(%rip), %rax
ret
END (_ZGVbN2v_log)
libmvec_hidden_def (_ZGVbN2v_log)
#define _ZGVbN2v_log _ZGVbN2v_log_sse2
#include "../svml_d_log2_core.S"

229
sysdeps/x86_64/fpu/multiarch/svml_d_log2_core_sse4.S Normal file
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@ -0,0 +1,229 @@
/* Function log vectorized with SSE4.
Copyright (C) 2014-2015 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
<http://www.gnu.org/licenses/>. */
#include <sysdep.h>
#include "svml_d_log_data.h"
.text
ENTRY (_ZGVbN2v_log_sse4)
/*
ALGORITHM DESCRIPTION:
log(x) = -log(Rcp) + log(Rcp*x),
where Rcp ~ 1/x (accuracy ~9 bits, obtained by rounding
HW approximation to 1+9 mantissa bits)
Reduced argument R=Rcp*x-1 is used to approximate log(1+R) as polynomial
log(Rcp) = exponent_Rcp*log(2) + log(mantissa_Rcp)
-log(mantissa_Rcp) is obtained from a lookup table,
accessed by a 9-bit index
*/
pushq %rbp
cfi_adjust_cfa_offset (8)
cfi_rel_offset (%rbp, 0)
movq %rsp, %rbp
cfi_def_cfa_register (%rbp)
andq $-64, %rsp
subq $320, %rsp
movaps %xmm0, %xmm6
movq __svml_dlog_data@GOTPCREL(%rip), %r8
movaps %xmm6, %xmm3
movaps %xmm6, %xmm2
/* isolate exponent bits */
movaps %xmm6, %xmm1
psrlq $20, %xmm1
movups _ExpMask(%r8), %xmm5
/* preserve mantissa, set input exponent to 2^(-10) */
andps %xmm6, %xmm5
orps _Two10(%r8), %xmm5
/* reciprocal approximation good to at least 11 bits */
cvtpd2ps %xmm5, %xmm7
cmpltpd _MinNorm(%r8), %xmm3
cmpnlepd _MaxNorm(%r8), %xmm2
movlhps %xmm7, %xmm7
/* combine and get argument value range mask */
orps %xmm2, %xmm3
rcpps %xmm7, %xmm0
movmskpd %xmm3, %eax
movups _HalfMask(%r8), %xmm2
/* argument reduction started: R = Mantissa*Rcp - 1 */
andps %xmm5, %xmm2
cvtps2pd %xmm0, %xmm4
subpd %xmm2, %xmm5
/* round reciprocal to nearest integer, will have 1+9 mantissa bits */
roundpd $0, %xmm4, %xmm4
mulpd %xmm4, %xmm2
mulpd %xmm4, %xmm5
subpd _One(%r8), %xmm2
addpd %xmm2, %xmm5
movups _Threshold(%r8), %xmm2
/* calculate index for table lookup */
movaps %xmm4, %xmm3
cmpltpd %xmm4, %xmm2
pshufd $221, %xmm1, %xmm7
psrlq $40, %xmm3
/* convert biased exponent to DP format */
cvtdq2pd %xmm7, %xmm0
movd %xmm3, %edx
movups _poly_coeff_1(%r8), %xmm4
/* polynomial computation */
mulpd %xmm5, %xmm4
andps _Bias(%r8), %xmm2
orps _Bias1(%r8), %xmm2
/*
Table stores -log(0.5*mantissa) for larger mantissas,
adjust exponent accordingly
*/
subpd %xmm2, %xmm0
addpd _poly_coeff_2(%r8), %xmm4
/* exponent*log(2.0) */
mulpd _L2(%r8), %xmm0
movaps %xmm5, %xmm2
mulpd %xmm5, %xmm2
movups _poly_coeff_3(%r8), %xmm7
mulpd %xmm5, %xmm7
mulpd %xmm2, %xmm4
addpd _poly_coeff_4(%r8), %xmm7
addpd %xmm4, %xmm7
mulpd %xmm7, %xmm2
movslq %edx, %rdx
pextrd $2, %xmm3, %ecx
/*
reconstruction:
(exponent*log(2)) + (LogRcp + (R+poly))
*/
addpd %xmm2, %xmm5
movslq %ecx, %rcx
movsd _LogRcp_lookup(%r8,%rdx), %xmm1
movhpd _LogRcp_lookup(%r8,%rcx), %xmm1
addpd %xmm5, %xmm1
addpd %xmm1, %xmm0
testl %eax, %eax
jne .LBL_1_3
.LBL_1_2:
cfi_remember_state
movq %rbp, %rsp
cfi_def_cfa_register (%rsp)
popq %rbp
cfi_adjust_cfa_offset (-8)
cfi_restore (%rbp)
ret
.LBL_1_3:
cfi_restore_state
movups %xmm6, 192(%rsp)
movups %xmm0, 256(%rsp)
je .LBL_1_2
xorb %cl, %cl
xorl %edx, %edx
movups %xmm8, 112(%rsp)
movups %xmm9, 96(%rsp)
movups %xmm10, 80(%rsp)
movups %xmm11, 64(%rsp)
movups %xmm12, 48(%rsp)
movups %xmm13, 32(%rsp)
movups %xmm14, 16(%rsp)
movups %xmm15, (%rsp)
movq %rsi, 136(%rsp)
movq %rdi, 128(%rsp)
movq %r12, 168(%rsp)
cfi_offset_rel_rsp (12, 168)
movb %cl, %r12b
movq %r13, 160(%rsp)
cfi_offset_rel_rsp (13, 160)
movl %eax, %r13d
movq %r14, 152(%rsp)
cfi_offset_rel_rsp (14, 152)
movl %edx, %r14d
movq %r15, 144(%rsp)
cfi_offset_rel_rsp (15, 144)
cfi_remember_state
.LBL_1_6:
btl %r14d, %r13d
jc .LBL_1_12
.LBL_1_7:
lea 1(%r14), %esi
btl %esi, %r13d
jc .LBL_1_10
.LBL_1_8:
incb %r12b
addl $2, %r14d
cmpb $16, %r12b
jb .LBL_1_6
movups 112(%rsp), %xmm8
movups 96(%rsp), %xmm9
movups 80(%rsp), %xmm10
movups 64(%rsp), %xmm11
movups 48(%rsp), %xmm12
movups 32(%rsp), %xmm13
movups 16(%rsp), %xmm14
movups (%rsp), %xmm15
movq 136(%rsp), %rsi
movq 128(%rsp), %rdi
movq 168(%rsp), %r12
cfi_restore (%r12)
movq 160(%rsp), %r13
cfi_restore (%r13)
movq 152(%rsp), %r14
cfi_restore (%r14)
movq 144(%rsp), %r15
cfi_restore (%r15)
movups 256(%rsp), %xmm0
jmp .LBL_1_2
.LBL_1_10:
cfi_restore_state
movzbl %r12b, %r15d
shlq $4, %r15
movsd 200(%rsp,%r15), %xmm0
call log@PLT
movsd %xmm0, 264(%rsp,%r15)
jmp .LBL_1_8
.LBL_1_12:
movzbl %r12b, %r15d
shlq $4, %r15
movsd 192(%rsp,%r15), %xmm0
call log@PLT
movsd %xmm0, 256(%rsp,%r15)
jmp .LBL_1_7
END (_ZGVbN2v_log_sse4)

38
sysdeps/x86_64/fpu/multiarch/svml_d_log4_core.S Normal file
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@ -0,0 +1,38 @@
/* Multiple versions of vectorized log.
Copyright (C) 2014-2015 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
<http://www.gnu.org/licenses/>. */
#include <sysdep.h>
#include <init-arch.h>
.text
ENTRY (_ZGVdN4v_log)
.type _ZGVdN4v_log, @gnu_indirect_function
cmpl $0, KIND_OFFSET+__cpu_features(%rip)
jne 1f
call __init_cpu_features
1: leaq _ZGVdN4v_log_avx2(%rip), %rax
testl $bit_AVX2_Usable, __cpu_features+FEATURE_OFFSET+index_AVX2_Usable(%rip)
jz 2f
ret
2: leaq _ZGVdN4v_log_sse_wrapper(%rip), %rax
ret
END (_ZGVdN4v_log)
libmvec_hidden_def (_ZGVdN4v_log)
#define _ZGVdN4v_log _ZGVdN4v_log_sse_wrapper
#include "../svml_d_log4_core.S"

210
sysdeps/x86_64/fpu/multiarch/svml_d_log4_core_avx2.S Normal file
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@ -0,0 +1,210 @@
/* Function log vectorized with AVX2.
Copyright (C) 2014-2015 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
<http://www.gnu.org/licenses/>. */
#include <sysdep.h>
#include "svml_d_log_data.h"
.text
ENTRY (_ZGVdN4v_log_avx2)
/* ALGORITHM DESCRIPTION:
log(x) = -log(Rcp) + log(Rcp*x),
where Rcp ~ 1/x (accuracy ~9 bits, obtained by rounding
HW approximation to 1+9 mantissa bits)
Reduced argument R=Rcp*x-1 is used to approximate log(1+R) as polynomial
log(Rcp) = exponent_Rcp*log(2) + log(mantissa_Rcp)
-log(mantissa_Rcp) is obtained from a lookup table,
accessed by a 9-bit index
*/
pushq %rbp
cfi_adjust_cfa_offset (8)
cfi_rel_offset (%rbp, 0)
movq %rsp, %rbp
cfi_def_cfa_register (%rbp)
andq $-64, %rsp
subq $448, %rsp
movq __svml_dlog_data@GOTPCREL(%rip), %rax
vmovdqa %ymm0, %ymm5
/* isolate exponent bits */
vpsrlq $20, %ymm5, %ymm0
/* preserve mantissa, set input exponent to 2^(-10) */
vandpd _ExpMask(%rax), %ymm5, %ymm6
vorpd _Two10(%rax), %ymm6, %ymm4
/* reciprocal approximation good to at least 11 bits */
vcvtpd2ps %ymm4, %xmm7
vrcpps %xmm7, %xmm1
vcmplt_oqpd _MinNorm(%rax), %ymm5, %ymm7
vcvtps2pd %xmm1, %ymm3
vcmpnle_uqpd _MaxNorm(%rax), %ymm5, %ymm1
vextracti128 $1, %ymm0, %xmm2
vshufps $221, %xmm2, %xmm0, %xmm6
/* round reciprocal to nearest integer, will have 1+9 mantissa bits */
vroundpd $0, %ymm3, %ymm2
/* convert biased exponent to DP format */
vcvtdq2pd %xmm6, %ymm0
/* combine and get argument value range mask */
vorpd %ymm1, %ymm7, %ymm3
vmovupd _One(%rax), %ymm1
vmovmskpd %ymm3, %ecx
/* calculate index for table lookup */
vpsrlq $40, %ymm2, %ymm3
/* argument reduction started: R = Mantissa*Rcp - 1 */
vfmsub213pd %ymm1, %ymm2, %ymm4
vcmpgt_oqpd _Threshold(%rax), %ymm2, %ymm2
vpcmpeqd %ymm6, %ymm6, %ymm6
vxorpd %ymm1, %ymm1, %ymm1
vgatherqpd %ymm6, _LogRcp_lookup(%rax,%ymm3), %ymm1
/* exponent*log(2.0) */
vmovupd _poly_coeff_1(%rax), %ymm6
vmulpd %ymm4, %ymm4, %ymm3
/* polynomial computation */
vfmadd213pd _poly_coeff_2(%rax), %ymm4, %ymm6
vandpd _Bias(%rax), %ymm2, %ymm7
vorpd _Bias1(%rax), %ymm7, %ymm2
/*
Table stores -log(0.5*mantissa) for larger mantissas,
adjust exponent accordingly
*/
vsubpd %ymm2, %ymm0, %ymm0
vmovupd _poly_coeff_3(%rax), %ymm2
vfmadd213pd _poly_coeff_4(%rax), %ymm4, %ymm2
vfmadd213pd %ymm2, %ymm3, %ymm6
/*
reconstruction:
(exponent*log(2)) + (LogRcp + (R+poly))
*/
vfmadd213pd %ymm4, %ymm3, %ymm6
vaddpd %ymm1, %ymm6, %ymm4
vfmadd132pd _L2(%rax), %ymm4, %ymm0
testl %ecx, %ecx
jne .LBL_1_3
.LBL_1_2:
cfi_remember_state
movq %rbp, %rsp
cfi_def_cfa_register (%rsp)
popq %rbp
cfi_adjust_cfa_offset (-8)
cfi_restore (%rbp)
ret
.LBL_1_3:
cfi_restore_state
vmovupd %ymm5, 320(%rsp)
vmovupd %ymm0, 384(%rsp)
je .LBL_1_2
xorb %dl, %dl
xorl %eax, %eax
vmovups %ymm8, 224(%rsp)
vmovups %ymm9, 192(%rsp)
vmovups %ymm10, 160(%rsp)
vmovups %ymm11, 128(%rsp)
vmovups %ymm12, 96(%rsp)
vmovups %ymm13, 64(%rsp)
vmovups %ymm14, 32(%rsp)
vmovups %ymm15, (%rsp)
movq %rsi, 264(%rsp)
movq %rdi, 256(%rsp)
movq %r12, 296(%rsp)
cfi_offset_rel_rsp (12, 296)
movb %dl, %r12b
movq %r13, 288(%rsp)
cfi_offset_rel_rsp (13, 288)
movl %ecx, %r13d
movq %r14, 280(%rsp)
cfi_offset_rel_rsp (14, 280)
movl %eax, %r14d
movq %r15, 272(%rsp)
cfi_offset_rel_rsp (15, 272)
cfi_remember_state
.LBL_1_6:
btl %r14d, %r13d
jc .LBL_1_12
.LBL_1_7:
lea 1(%r14), %esi
btl %esi, %r13d
jc .LBL_1_10
.LBL_1_8:
incb %r12b
addl $2, %r14d
cmpb $16, %r12b
jb .LBL_1_6
vmovups 224(%rsp), %ymm8
vmovups 192(%rsp), %ymm9
vmovups 160(%rsp), %ymm10
vmovups 128(%rsp), %ymm11
vmovups 96(%rsp), %ymm12
vmovups 64(%rsp), %ymm13
vmovups 32(%rsp), %ymm14
vmovups (%rsp), %ymm15
vmovupd 384(%rsp), %ymm0
movq 264(%rsp), %rsi
movq 256(%rsp), %rdi
movq 296(%rsp), %r12
cfi_restore (%r12)
movq 288(%rsp), %r13
cfi_restore (%r13)
movq 280(%rsp), %r14
cfi_restore (%r14)
movq 272(%rsp), %r15
cfi_restore (%r15)
jmp .LBL_1_2
.LBL_1_10:
cfi_restore_state
movzbl %r12b, %r15d
shlq $4, %r15
vmovsd 328(%rsp,%r15), %xmm0
vzeroupper
call log@PLT
vmovsd %xmm0, 392(%rsp,%r15)
jmp .LBL_1_8
.LBL_1_12:
movzbl %r12b, %r15d
shlq $4, %r15
vmovsd 320(%rsp,%r15), %xmm0
vzeroupper
call log@PLT
vmovsd %xmm0, 384(%rsp,%r15)
jmp .LBL_1_7
END (_ZGVdN4v_log_avx2)

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/* Multiple versions of vectorized log.
Copyright (C) 2014-2015 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
<http://www.gnu.org/licenses/>. */
#include <sysdep.h>
#include <init-arch.h>
.text
ENTRY (_ZGVeN8v_log)
.type _ZGVeN8v_log, @gnu_indirect_function
cmpl $0, KIND_OFFSET+__cpu_features(%rip)
jne 1
call __init_cpu_features
1: leaq _ZGVeN8v_log_skx(%rip), %rax
testl $bit_AVX512DQ_Usable, __cpu_features+FEATURE_OFFSET+index_AVX512DQ_Usable(%rip)
jnz 3
2: leaq _ZGVeN8v_log_knl(%rip), %rax
testl $bit_AVX512F_Usable, __cpu_features+FEATURE_OFFSET+index_AVX512F_Usable(%rip)
jnz 3
leaq _ZGVeN8v_log_avx2_wrapper(%rip), %rax
3: ret
END (_ZGVeN8v_log)
#define _ZGVeN8v_log _ZGVeN8v_log_avx2_wrapper
#include "../svml_d_log8_core.S"

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/* Function log vectorized with AVX-512. KNL and SKX versions.
Copyright (C) 2014-2015 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
<http://www.gnu.org/licenses/>. */
#include <sysdep.h>
#include "svml_d_log_data.h"
#include "svml_d_wrapper_impl.h"
.text
ENTRY (_ZGVeN8v_log_knl)
#ifndef HAVE_AVX512_ASM_SUPPORT
WRAPPER_IMPL_AVX512 _ZGVdN4v_log
#else
/*
ALGORITHM DESCRIPTION:
log(x) = -log(Rcp) + log(Rcp*x),
where Rcp ~ 1/x (accuracy ~9 bits, obtained by
rounding HW approximation to 1+9 mantissa bits)
Reduced argument R=Rcp*x-1 is used to approximate log(1+R) as polynomial
log(Rcp) = exponent_Rcp*log(2) + log(mantissa_Rcp)
-log(mantissa_Rcp) is obtained from a lookup table,
accessed by a 9-bit index
*/
pushq %rbp
cfi_adjust_cfa_offset (8)
cfi_rel_offset (%rbp, 0)
movq %rsp, %rbp
cfi_def_cfa_register (%rbp)
andq $-64, %rsp
subq $1280, %rsp
movq __svml_dlog_data@GOTPCREL(%rip), %rdx
movq $-1, %rax
/* isolate exponent bits */
vpsrlq $20, %zmm0, %zmm2
vpsrlq $32, %zmm2, %zmm3
vpxord %zmm2, %zmm2, %zmm2
kxnorw %k3, %k3, %k3
vmovups _Two10(%rdx), %zmm1
vmovups _One(%rdx), %zmm9
vpmovqd %zmm3, %ymm4
/* convert biased exponent to DP format */
vcvtdq2pd %ymm4, %zmm13
/* preserve mantissa, set input exponent to 2^(-10) */
vpternlogq $248, _ExpMask(%rdx), %zmm0, %zmm1
vcmppd $17, _MinNorm(%rdx), %zmm0, %k1
/* reciprocal approximation good to at least 11 bits */
vrcp28pd %zmm1, %zmm5
vpbroadcastq %rax, %zmm6{%k1}{z}
vmovups _poly_coeff_3(%rdx), %zmm15
vcmppd $22, _MaxNorm(%rdx), %zmm0, %k2
vmovups _Bias1(%rdx), %zmm14
/* round reciprocal to nearest integer, will have 1+9 mantissa bits */
vrndscalepd $8, %zmm5, %zmm11
vpbroadcastq %rax, %zmm7{%k2}{z}
/* argument reduction started: R = Mantissa*Rcp - 1 */
vfmsub213pd %zmm9, %zmm11, %zmm1
/* calculate index for table lookup */
vpsrlq $40, %zmm11, %zmm10
vgatherqpd _LogRcp_lookup(%rdx,%zmm10), %zmm2{%k3}
vcmppd $30, _Threshold(%rdx), %zmm11, %k1
/* combine and get argument value range mask */
vporq %zmm7, %zmm6, %zmm8
/* exponent*log(2.0) */
vmovups _poly_coeff_1(%rdx), %zmm11
vmulpd %zmm1, %zmm1, %zmm10
vptestmq %zmm8, %zmm8, %k0
vfmadd213pd _poly_coeff_4(%rdx), %zmm1, %zmm15
kmovw %k0, %ecx
/* polynomial computation */
vfmadd213pd _poly_coeff_2(%rdx), %zmm1, %zmm11
movzbl %cl, %ecx
vpbroadcastq %rax, %zmm12{%k1}{z}
vfmadd213pd %zmm15, %zmm10, %zmm11
vpternlogq $248, _Bias(%rdx), %zmm12, %zmm14
/*
Table stores -log(0.5*mantissa) for larger mantissas,
adjust exponent accordingly
*/
vsubpd %zmm14, %zmm13, %zmm3
/*
reconstruction:
(exponent*log(2)) + (LogRcp + (R+poly))
*/
vfmadd213pd %zmm1, %zmm10, %zmm11
vaddpd %zmm2, %zmm11, %zmm1
vfmadd132pd _L2(%rdx), %zmm1, %zmm3
testl %ecx, %ecx
jne .LBL_1_3
.LBL_1_2:
cfi_remember_state
vmovaps %zmm3, %zmm0
movq %rbp, %rsp
cfi_def_cfa_register (%rsp)
popq %rbp
cfi_adjust_cfa_offset (-8)
cfi_restore (%rbp)
ret
.LBL_1_3:
cfi_restore_state
vmovups %zmm0, 1152(%rsp)
vmovups %zmm3, 1216(%rsp)
je .LBL_1_2
xorb %dl, %dl
kmovw %k4, 1048(%rsp)
xorl %eax, %eax
kmovw %k5, 1040(%rsp)
kmovw %k6, 1032(%rsp)
kmovw %k7, 1024(%rsp)
vmovups %zmm16, 960(%rsp)
vmovups %zmm17, 896(%rsp)
vmovups %zmm18, 832(%rsp)
vmovups %zmm19, 768(%rsp)
vmovups %zmm20, 704(%rsp)
vmovups %zmm21, 640(%rsp)
vmovups %zmm22, 576(%rsp)
vmovups %zmm23, 512(%rsp)
vmovups %zmm24, 448(%rsp)
vmovups %zmm25, 384(%rsp)
vmovups %zmm26, 320(%rsp)
vmovups %zmm27, 256(%rsp)
vmovups %zmm28, 192(%rsp)
vmovups %zmm29, 128(%rsp)
vmovups %zmm30, 64(%rsp)
vmovups %zmm31, (%rsp)
movq %rsi, 1064(%rsp)
movq %rdi, 1056(%rsp)
movq %r12, 1096(%rsp)
cfi_offset_rel_rsp (12, 1096)
movb %dl, %r12b
movq %r13, 1088(%rsp)
cfi_offset_rel_rsp (13, 1088)
movl %ecx, %r13d
movq %r14, 1080(%rsp)
cfi_offset_rel_rsp (14, 1080)
movl %eax, %r14d
movq %r15, 1072(%rsp)
cfi_offset_rel_rsp (15, 1072)
cfi_remember_state
.LBL_1_6:
btl %r14d, %r13d
jc .LBL_1_12
.LBL_1_7:
lea 1(%r14), %esi
btl %esi, %r13d
jc .LBL_1_10
.LBL_1_8:
addb $1, %r12b
addl $2, %r14d
cmpb $16, %r12b
jb .LBL_1_6
kmovw 1048(%rsp), %k4
movq 1064(%rsp), %rsi
kmovw 1040(%rsp), %k5
movq 1056(%rsp), %rdi
kmovw 1032(%rsp), %k6
movq 1096(%rsp), %r12
cfi_restore (%r12)
movq 1088(%rsp), %r13
cfi_restore (%r13)
kmovw 1024(%rsp), %k7
vmovups 960(%rsp), %zmm16
vmovups 896(%rsp), %zmm17
vmovups 832(%rsp), %zmm18
vmovups 768(%rsp), %zmm19
vmovups 704(%rsp), %zmm20
vmovups 640(%rsp), %zmm21
vmovups 576(%rsp), %zmm22
vmovups 512(%rsp), %zmm23
vmovups 448(%rsp), %zmm24
vmovups 384(%rsp), %zmm25
vmovups 320(%rsp), %zmm26
vmovups 256(%rsp), %zmm27
vmovups 192(%rsp), %zmm28
vmovups 128(%rsp), %zmm29
vmovups 64(%rsp), %zmm30
vmovups (%rsp), %zmm31
movq 1080(%rsp), %r14
cfi_restore (%r14)
movq 1072(%rsp), %r15
cfi_restore (%r15)
vmovups 1216(%rsp), %zmm3
jmp .LBL_1_2
.LBL_1_10:
cfi_restore_state
movzbl %r12b, %r15d
shlq $4, %r15
vmovsd 1160(%rsp,%r15), %xmm0
call log@PLT
vmovsd %xmm0, 1224(%rsp,%r15)
jmp .LBL_1_8
.LBL_1_12:
movzbl %r12b, %r15d
shlq $4, %r15
vmovsd 1152(%rsp,%r15), %xmm0
call log@PLT
vmovsd %xmm0, 1216(%rsp,%r15)
jmp .LBL_1_7
#endif
END (_ZGVeN8v_log_knl)
ENTRY (_ZGVeN8v_log_skx)
#ifndef HAVE_AVX512_ASM_SUPPORT
WRAPPER_IMPL_AVX512 _ZGVdN4v_log
#else
/*
ALGORITHM DESCRIPTION:
log(x) = -log(Rcp) + log(Rcp*x),
where Rcp ~ 1/x (accuracy ~9 bits,
obtained by rounding HW approximation to 1+9 mantissa bits)
Reduced argument R=Rcp*x-1 is used to approximate log(1+R) as polynomial
log(Rcp) = exponent_Rcp*log(2) + log(mantissa_Rcp)
-log(mantissa_Rcp) is obtained from a lookup table,
accessed by a 9-bit index
*/
pushq %rbp
cfi_adjust_cfa_offset (8)
cfi_rel_offset (%rbp, 0)
movq %rsp, %rbp
cfi_def_cfa_register (%rbp)
andq $-64, %rsp
subq $1280, %rsp
movq __svml_dlog_data@GOTPCREL(%rip), %rax
vmovaps %zmm0, %zmm3
kxnorw %k3, %k3, %k3
vmovups _Two10(%rax), %zmm2
vmovups _Threshold(%rax), %zmm14
vmovups _One(%rax), %zmm11
vcmppd $21, _MinNorm(%rax), %zmm3, %k1
vcmppd $18, _MaxNorm(%rax), %zmm3, %k2
/* isolate exponent bits */
vpsrlq $20, %zmm3, %zmm4
/* preserve mantissa, set input exponent to 2^(-10) */
vpternlogq $248, _ExpMask(%rax), %zmm3, %zmm2
vpbroadcastq .L_2il0floatpacket.12(%rip), %zmm1
vpsrlq $32, %zmm4, %zmm6
/* reciprocal approximation good to at least 11 bits */
vrcp14pd %zmm2, %zmm5
/* exponent*log(2.0) */
vmovups _poly_coeff_1(%rax), %zmm4
vpmovqd %zmm6, %ymm7
/* round reciprocal to nearest integer, will have 1+9 mantissa bits */
vrndscalepd $8, %zmm5, %zmm0
/* calculate index for table lookup */
vpsrlq $40, %zmm0, %zmm12
/* argument reduction started: R = Mantissa*Rcp - 1 */
vfmsub213pd %zmm11, %zmm0, %zmm2
vpmovqd %zmm12, %ymm13
/* polynomial computation */
vfmadd213pd _poly_coeff_2(%rax), %zmm2, %zmm4
vmovaps %zmm1, %zmm8
vmovaps %zmm1, %zmm9
vpxord %zmm5, %zmm5, %zmm5
vgatherdpd _LogRcp_lookup(%rax,%ymm13), %zmm5{%k3}
vmovups _Bias1(%rax), %zmm13
vpandnq %zmm3, %zmm3, %zmm8{%k1}
vcmppd $21, %zmm0, %zmm14, %k1
vpandnq %zmm14, %zmm14, %zmm1{%k1}
vmulpd %zmm2, %zmm2, %zmm14
vpternlogq $248, _Bias(%rax), %zmm1, %zmm13
vmovups _poly_coeff_3(%rax), %zmm1
vfmadd213pd _poly_coeff_4(%rax), %zmm2, %zmm1
vfmadd213pd %zmm1, %zmm14, %zmm4
/*
reconstruction:
(exponent*log(2)) + (LogRcp + (R+poly))
*/
vfmadd213pd %zmm2, %zmm14, %zmm4
vaddpd %zmm5, %zmm4, %zmm2
vpandnq %zmm3, %zmm3, %zmm9{%k2}
/* combine and get argument value range mask */
vorpd %zmm9, %zmm8, %zmm10
vcmppd $3, %zmm10, %zmm10, %k0
kmovw %k0, %ecx
/* convert biased exponent to DP format */
vcvtdq2pd %ymm7, %zmm15
/*
Table stores -log(0.5*mantissa) for larger mantissas,
adjust exponent accordingly
*/
vsubpd %zmm13, %zmm15, %zmm0
vfmadd132pd _L2(%rax), %zmm2, %zmm0
testl %ecx, %ecx
jne .LBL_2_3
.LBL_2_2:
cfi_remember_state
movq %rbp, %rsp
cfi_def_cfa_register (%rsp)
popq %rbp
cfi_adjust_cfa_offset (-8)
cfi_restore (%rbp)
ret
.LBL_2_3:
cfi_restore_state
vmovups %zmm3, 1152(%rsp)
vmovups %zmm0, 1216(%rsp)
je .LBL_2_2
xorb %dl, %dl
xorl %eax, %eax
kmovw %k4, 1048(%rsp)
kmovw %k5, 1040(%rsp)
kmovw %k6, 1032(%rsp)
kmovw %k7, 1024(%rsp)
vmovups %zmm16, 960(%rsp)
vmovups %zmm17, 896(%rsp)
vmovups %zmm18, 832(%rsp)
vmovups %zmm19, 768(%rsp)
vmovups %zmm20, 704(%rsp)
vmovups %zmm21, 640(%rsp)
vmovups %zmm22, 576(%rsp)
vmovups %zmm23, 512(%rsp)
vmovups %zmm24, 448(%rsp)
vmovups %zmm25, 384(%rsp)
vmovups %zmm26, 320(%rsp)
vmovups %zmm27, 256(%rsp)
vmovups %zmm28, 192(%rsp)
vmovups %zmm29, 128(%rsp)
vmovups %zmm30, 64(%rsp)
vmovups %zmm31, (%rsp)
movq %rsi, 1064(%rsp)
movq %rdi, 1056(%rsp)
movq %r12, 1096(%rsp)
cfi_offset_rel_rsp (12, 1096)
movb %dl, %r12b
movq %r13, 1088(%rsp)
cfi_offset_rel_rsp (13, 1088)
movl %ecx, %r13d
movq %r14, 1080(%rsp)
cfi_offset_rel_rsp (14, 1080)
movl %eax, %r14d
movq %r15, 1072(%rsp)
cfi_offset_rel_rsp (15, 1072)
cfi_remember_state
.LBL_2_6:
btl %r14d, %r13d
jc .LBL_2_12
.LBL_2_7:
lea 1(%r14), %esi
btl %esi, %r13d
jc .LBL_2_10
.LBL_2_8:
incb %r12b
addl $2, %r14d
cmpb $16, %r12b
jb .LBL_2_6
kmovw 1048(%rsp), %k4
kmovw 1040(%rsp), %k5
kmovw 1032(%rsp), %k6
kmovw 1024(%rsp), %k7
vmovups 960(%rsp), %zmm16
vmovups 896(%rsp), %zmm17
vmovups 832(%rsp), %zmm18
vmovups 768(%rsp), %zmm19
vmovups 704(%rsp), %zmm20
vmovups 640(%rsp), %zmm21
vmovups 576(%rsp), %zmm22
vmovups 512(%rsp), %zmm23
vmovups 448(%rsp), %zmm24
vmovups 384(%rsp), %zmm25
vmovups 320(%rsp), %zmm26
vmovups 256(%rsp), %zmm27
vmovups 192(%rsp), %zmm28
vmovups 128(%rsp), %zmm29
vmovups 64(%rsp), %zmm30
vmovups (%rsp), %zmm31
vmovups 1216(%rsp), %zmm0
movq 1064(%rsp), %rsi
movq 1056(%rsp), %rdi
movq 1096(%rsp), %r12
cfi_restore (%r12)
movq 1088(%rsp), %r13
cfi_restore (%r13)
movq 1080(%rsp), %r14
cfi_restore (%r14)
movq 1072(%rsp), %r15
cfi_restore (%r15)
jmp .LBL_2_2
.LBL_2_10:
cfi_restore_state
movzbl %r12b, %r15d
shlq $4, %r15
vmovsd 1160(%rsp,%r15), %xmm0
vzeroupper
vmovsd 1160(%rsp,%r15), %xmm0
call log@PLT
vmovsd %xmm0, 1224(%rsp,%r15)
jmp .LBL_2_8
.LBL_2_12:
movzbl %r12b, %r15d
shlq $4, %r15
vmovsd 1152(%rsp,%r15), %xmm0
vzeroupper
vmovsd 1152(%rsp,%r15), %xmm0
call log@PLT
vmovsd %xmm0, 1216(%rsp,%r15)
jmp .LBL_2_7
#endif
END (_ZGVeN8v_log_skx)
.section .rodata, "a"
.L_2il0floatpacket.12:
.long 0xffffffff,0xffffffff
.type .L_2il0floatpacket.12,@object

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sysdeps/x86_64/fpu/svml_d_log2_core.S Normal file
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@ -0,0 +1,29 @@
/* Function log vectorized with SSE2.
Copyright (C) 2014-2015 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
<http://www.gnu.org/licenses/>. */
#include <sysdep.h>
#include "svml_d_wrapper_impl.h"
.text
ENTRY (_ZGVbN2v_log)
WRAPPER_IMPL_SSE2 log
END (_ZGVbN2v_log)
#ifndef USE_MULTIARCH
libmvec_hidden_def (_ZGVbN2v_log)
#endif

29
sysdeps/x86_64/fpu/svml_d_log4_core.S Normal file
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/* Function log vectorized with AVX2, wrapper version.
Copyright (C) 2014-2015 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
<http://www.gnu.org/licenses/>. */
#include <sysdep.h>
#include "svml_d_wrapper_impl.h"
.text
ENTRY (_ZGVdN4v_log)
WRAPPER_IMPL_AVX _ZGVbN2v_log
END (_ZGVdN4v_log)
#ifndef USE_MULTIARCH
libmvec_hidden_def (_ZGVdN4v_log)
#endif

25
sysdeps/x86_64/fpu/svml_d_log4_core_avx.S Normal file
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@ -0,0 +1,25 @@
/* Function log vectorized in AVX ISA as wrapper to SSE4 ISA version.
Copyright (C) 2014-2015 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
<http://www.gnu.org/licenses/>. */
#include <sysdep.h>
#include "svml_d_wrapper_impl.h"
.text
ENTRY (_ZGVcN4v_log)
WRAPPER_IMPL_AVX _ZGVbN2v_log
END (_ZGVcN4v_log)

25
sysdeps/x86_64/fpu/svml_d_log8_core.S Normal file
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@ -0,0 +1,25 @@
/* Function log vectorized with AVX-512. Wrapper to AVX2 version.
Copyright (C) 2014-2015 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
<http://www.gnu.org/licenses/>. */
#include <sysdep.h>
#include "svml_d_wrapper_impl.h"
.text
ENTRY (_ZGVeN8v_log)
WRAPPER_IMPL_AVX512 _ZGVdN4v_log
END (_ZGVeN8v_log)

1662
sysdeps/x86_64/fpu/svml_d_log_data.S Normal file
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File diff suppressed because it is too large Load Diff

54
sysdeps/x86_64/fpu/svml_d_log_data.h Normal file
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/* Offsets for data table for function log.
Copyright (C) 2014-2015 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
<http://www.gnu.org/licenses/>. */
#ifndef D_LOG_DATA_H
#define D_LOG_DATA_H
#define _LogRcp_lookup -4218816
#define _Log_HA_table 0
#define _Log_LA_table 8256
#define _poly_coeff_1 12416
#define _poly_coeff_2 12480
#define _poly_coeff_3 12544
#define _poly_coeff_4 12608
#define _ExpMask 12672
#define _Two10 12736
#define _MinNorm 12800
#define _MaxNorm 12864
#define _HalfMask 12928
#define _One 12992
#define _L2H 13056
#define _L2L 13120
#define _Threshold 13184
#define _Bias 13248
#define _Bias1 13312
#define _L2 13376
#define _dInfs 13440
#define _dOnes 13504
#define _dZeros 13568
.macro double_vector offset value
.if .-__svml_dlog_data != \offset
.err
.endif
.rept 8
.quad \value
.endr
.endm
#endif

1
sysdeps/x86_64/fpu/test-double-vlen2-wrappers.c
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@ -24,3 +24,4 @@
VECTOR_WRAPPER (WRAPPER_NAME (cos), _ZGVbN2v_cos)
VECTOR_WRAPPER (WRAPPER_NAME (sin), _ZGVbN2v_sin)
VECTOR_WRAPPER (WRAPPER_NAME (log), _ZGVbN2v_log)

1
sysdeps/x86_64/fpu/test-double-vlen2.c
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@ -20,5 +20,6 @@
#define TEST_VECTOR_cos 1
#define TEST_VECTOR_sin 1
#define TEST_VECTOR_log 1
#include "libm-test.c"

1
sysdeps/x86_64/fpu/test-double-vlen4-avx2-wrappers.c
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@ -27,3 +27,4 @@
VECTOR_WRAPPER (WRAPPER_NAME (cos), _ZGVdN4v_cos)
VECTOR_WRAPPER (WRAPPER_NAME (sin), _ZGVdN4v_sin)
VECTOR_WRAPPER (WRAPPER_NAME (log), _ZGVdN4v_log)

1
sysdeps/x86_64/fpu/test-double-vlen4-avx2.c
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@ -23,6 +23,7 @@
#define TEST_VECTOR_cos 1
#define TEST_VECTOR_sin 1
#define TEST_VECTOR_log 1
#define REQUIRE_AVX2

1
sysdeps/x86_64/fpu/test-double-vlen4-wrappers.c
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@ -24,3 +24,4 @@
VECTOR_WRAPPER (WRAPPER_NAME (cos), _ZGVcN4v_cos)
VECTOR_WRAPPER (WRAPPER_NAME (sin), _ZGVcN4v_sin)
VECTOR_WRAPPER (WRAPPER_NAME (log), _ZGVcN4v_log)

1
sysdeps/x86_64/fpu/test-double-vlen4.c
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@ -20,5 +20,6 @@
#define TEST_VECTOR_cos 1
#define TEST_VECTOR_sin 1
#define TEST_VECTOR_log 1
#include "libm-test.c"

1
sysdeps/x86_64/fpu/test-double-vlen8-wrappers.c
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@ -24,3 +24,4 @@
VECTOR_WRAPPER (WRAPPER_NAME (cos), _ZGVeN8v_cos)
VECTOR_WRAPPER (WRAPPER_NAME (sin), _ZGVeN8v_sin)
VECTOR_WRAPPER (WRAPPER_NAME (log), _ZGVeN8v_log)

1
sysdeps/x86_64/fpu/test-double-vlen8.c
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@ -20,6 +20,7 @@
#define TEST_VECTOR_cos 1
#define TEST_VECTOR_sin 1
#define TEST_VECTOR_log 1
#define REQUIRE_AVX512F