mirror of
https://sourceware.org/git/glibc.git
synced 2024-11-09 23:00:07 +00:00
Added memcpy/memmove family optimized with AVX512 for KNL hardware.
Added AVX512 implementations of memcpy, mempcpy, memmove, memcpy_chk, mempcpy_chk, memmove_chk. It shows average improvement more than 30% over AVX versions on KNL hardware (performance results in the thread <https://sourceware.org/ml/libc-alpha/2016-01/msg00258.html>). * sysdeps/x86_64/multiarch/Makefile (sysdep_routines): Added new files. * sysdeps/x86_64/multiarch/ifunc-impl-list.c: Added new tests. * sysdeps/x86_64/multiarch/memcpy-avx512-no-vzeroupper.S: New file. * sysdeps/x86_64/multiarch/mempcpy-avx512-no-vzeroupper.S: Likewise. * sysdeps/x86_64/multiarch/memmove-avx512-no-vzeroupper.S: Likewise. * sysdeps/x86_64/multiarch/memcpy.S: Added new IFUNC branch. * sysdeps/x86_64/multiarch/memcpy_chk.S: Likewise. * sysdeps/x86_64/multiarch/memmove.c: Likewise. * sysdeps/x86_64/multiarch/memmove_chk.c: Likewise. * sysdeps/x86_64/multiarch/mempcpy.S: Likewise. * sysdeps/x86_64/multiarch/mempcpy_chk.S: Likewise.
This commit is contained in:
parent
b02840bacd
commit
72276d6e88
14
ChangeLog
14
ChangeLog
@ -1,3 +1,17 @@
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2016-01-16 Andrew Senkevich <andrew.senkevich@intel.com>
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* sysdeps/x86_64/multiarch/Makefile (sysdep_routines): Added new files.
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* sysdeps/x86_64/multiarch/ifunc-impl-list.c: Added new tests.
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* sysdeps/x86_64/multiarch/memcpy-avx512-no-vzeroupper.S: New file.
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* sysdeps/x86_64/multiarch/mempcpy-avx512-no-vzeroupper.S: Likewise.
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* sysdeps/x86_64/multiarch/memmove-avx512-no-vzeroupper.S: Likewise.
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* sysdeps/x86_64/multiarch/memcpy.S: Added new IFUNC branch.
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* sysdeps/x86_64/multiarch/memcpy_chk.S: Likewise.
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* sysdeps/x86_64/multiarch/memmove.c: Likewise.
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* sysdeps/x86_64/multiarch/memmove_chk.c: Likewise.
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* sysdeps/x86_64/multiarch/mempcpy.S: Likewise.
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* sysdeps/x86_64/multiarch/mempcpy_chk.S: Likewise.
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2016-01-15 Torvald Riegel <triegel@redhat.com>
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[BZ #13065]
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@ -7,11 +7,12 @@ ifeq ($(subdir),string)
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sysdep_routines += strncat-c stpncpy-c strncpy-c strcmp-ssse3 \
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strcmp-sse2-unaligned strncmp-ssse3 \
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memcmp-sse4 memcpy-ssse3 \
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memcpy-sse2-unaligned mempcpy-ssse3 \
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memmove-ssse3 memcpy-ssse3-back mempcpy-ssse3-back \
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memmove-avx-unaligned memcpy-avx-unaligned mempcpy-avx-unaligned \
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memmove-ssse3-back strcasecmp_l-ssse3 \
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memcmp-sse4 memcpy-ssse3 memcpy-sse2-unaligned \
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memcpy-avx512-no-vzeroupper mempcpy-ssse3 memmove-ssse3 \
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memcpy-ssse3-back mempcpy-ssse3-back memmove-avx-unaligned \
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memcpy-avx-unaligned mempcpy-avx-unaligned \
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mempcpy-avx512-no-vzeroupper memmove-ssse3-back \
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memmove-avx512-no-vzeroupper strcasecmp_l-ssse3 \
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strncase_l-ssse3 strcat-ssse3 strncat-ssse3\
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strcpy-ssse3 strncpy-ssse3 stpcpy-ssse3 stpncpy-ssse3 \
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strcpy-sse2-unaligned strncpy-sse2-unaligned \
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@ -24,7 +24,7 @@
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#include "init-arch.h"
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/* Maximum number of IFUNC implementations. */
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#define MAX_IFUNC 4
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#define MAX_IFUNC 5
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/* Fill ARRAY of MAX elements with IFUNC implementations for function
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NAME supported on target machine and return the number of valid
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@ -46,8 +46,11 @@ __libc_ifunc_impl_list (const char *name, struct libc_ifunc_impl *array,
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__memcmp_ssse3)
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IFUNC_IMPL_ADD (array, i, memcmp, 1, __memcmp_sse2))
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/* Support sysdeps/x86_64/multiarch/memmove_chk.S. */
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/* Support sysdeps/x86_64/multiarch/memmove_chk.c. */
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IFUNC_IMPL (i, name, __memmove_chk,
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IFUNC_IMPL_ADD (array, i, __memmove_chk,
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HAS_ARCH_FEATURE (AVX512F_Usable),
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__memmove_chk_avx512_no_vzeroupper)
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IFUNC_IMPL_ADD (array, i, __memmove_chk,
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HAS_ARCH_FEATURE (AVX_Usable),
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__memmove_chk_avx_unaligned)
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@ -65,6 +68,9 @@ __libc_ifunc_impl_list (const char *name, struct libc_ifunc_impl *array,
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IFUNC_IMPL_ADD (array, i, memmove,
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HAS_ARCH_FEATURE (AVX_Usable),
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__memmove_avx_unaligned)
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IFUNC_IMPL_ADD (array, i, memmove,
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HAS_ARCH_FEATURE (AVX512F_Usable),
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__memmove_avx512_no_vzeroupper)
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IFUNC_IMPL_ADD (array, i, memmove, HAS_CPU_FEATURE (SSSE3),
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__memmove_ssse3_back)
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IFUNC_IMPL_ADD (array, i, memmove, HAS_CPU_FEATURE (SSSE3),
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@ -253,6 +259,9 @@ __libc_ifunc_impl_list (const char *name, struct libc_ifunc_impl *array,
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#ifdef SHARED
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/* Support sysdeps/x86_64/multiarch/memcpy_chk.S. */
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IFUNC_IMPL (i, name, __memcpy_chk,
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IFUNC_IMPL_ADD (array, i, __memcpy_chk,
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HAS_ARCH_FEATURE (AVX512F_Usable),
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__memcpy_chk_avx512_no_vzeroupper)
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IFUNC_IMPL_ADD (array, i, __memcpy_chk,
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HAS_ARCH_FEATURE (AVX_Usable),
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__memcpy_chk_avx_unaligned)
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@ -274,11 +283,17 @@ __libc_ifunc_impl_list (const char *name, struct libc_ifunc_impl *array,
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__memcpy_ssse3_back)
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IFUNC_IMPL_ADD (array, i, memcpy, HAS_CPU_FEATURE (SSSE3),
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__memcpy_ssse3)
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IFUNC_IMPL_ADD (array, i, memcpy,
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HAS_ARCH_FEATURE (AVX512F_Usable),
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__memcpy_avx512_no_vzeroupper)
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IFUNC_IMPL_ADD (array, i, memcpy, 1, __memcpy_sse2_unaligned)
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IFUNC_IMPL_ADD (array, i, memcpy, 1, __memcpy_sse2))
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/* Support sysdeps/x86_64/multiarch/mempcpy_chk.S. */
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IFUNC_IMPL (i, name, __mempcpy_chk,
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IFUNC_IMPL_ADD (array, i, __mempcpy_chk,
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HAS_ARCH_FEATURE (AVX512F_Usable),
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__mempcpy_chk_avx512_no_vzeroupper)
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IFUNC_IMPL_ADD (array, i, __mempcpy_chk,
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HAS_ARCH_FEATURE (AVX_Usable),
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__mempcpy_chk_avx_unaligned)
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@ -293,6 +308,9 @@ __libc_ifunc_impl_list (const char *name, struct libc_ifunc_impl *array,
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/* Support sysdeps/x86_64/multiarch/mempcpy.S. */
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IFUNC_IMPL (i, name, mempcpy,
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IFUNC_IMPL_ADD (array, i, mempcpy,
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HAS_ARCH_FEATURE (AVX512F_Usable),
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__mempcpy_avx512_no_vzeroupper)
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IFUNC_IMPL_ADD (array, i, mempcpy,
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HAS_ARCH_FEATURE (AVX_Usable),
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__mempcpy_avx_unaligned)
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408
sysdeps/x86_64/multiarch/memcpy-avx512-no-vzeroupper.S
Normal file
408
sysdeps/x86_64/multiarch/memcpy-avx512-no-vzeroupper.S
Normal file
@ -0,0 +1,408 @@
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/* memcpy optimized with AVX512 for KNL hardware.
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Copyright (C) 2016 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 <sysdep.h>
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#if defined HAVE_AVX512_ASM_SUPPORT && IS_IN (libc) \
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&& (defined SHARED \
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|| defined USE_AS_MEMMOVE \
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|| !defined USE_MULTIARCH)
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#include "asm-syntax.h"
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#ifndef MEMCPY
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# define MEMCPY __memcpy_avx512_no_vzeroupper
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# define MEMCPY_CHK __memcpy_chk_avx512_no_vzeroupper
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#endif
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.section .text,"ax",@progbits
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#if !defined USE_AS_BCOPY
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ENTRY (MEMCPY_CHK)
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cmpq %rdx, %rcx
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jb HIDDEN_JUMPTARGET (__chk_fail)
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END (MEMCPY_CHK)
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#endif
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ENTRY (MEMCPY)
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mov %rdi, %rax
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#ifdef USE_AS_MEMPCPY
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add %rdx, %rax
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#endif
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lea (%rsi, %rdx), %rcx
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lea (%rdi, %rdx), %r9
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cmp $512, %rdx
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ja L(512bytesormore)
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L(check):
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cmp $16, %rdx
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jbe L(less_16bytes)
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cmp $256, %rdx
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jb L(less_256bytes)
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vmovups (%rsi), %zmm0
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vmovups 0x40(%rsi), %zmm1
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vmovups 0x80(%rsi), %zmm2
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vmovups 0xC0(%rsi), %zmm3
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vmovups -0x100(%rcx), %zmm4
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vmovups -0xC0(%rcx), %zmm5
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vmovups -0x80(%rcx), %zmm6
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vmovups -0x40(%rcx), %zmm7
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vmovups %zmm0, (%rdi)
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vmovups %zmm1, 0x40(%rdi)
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vmovups %zmm2, 0x80(%rdi)
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vmovups %zmm3, 0xC0(%rdi)
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vmovups %zmm4, -0x100(%r9)
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vmovups %zmm5, -0xC0(%r9)
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vmovups %zmm6, -0x80(%r9)
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vmovups %zmm7, -0x40(%r9)
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ret
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L(less_256bytes):
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cmp $128, %dl
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jb L(less_128bytes)
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vmovups (%rsi), %zmm0
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vmovups 0x40(%rsi), %zmm1
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vmovups -0x80(%rcx), %zmm2
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vmovups -0x40(%rcx), %zmm3
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vmovups %zmm0, (%rdi)
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vmovups %zmm1, 0x40(%rdi)
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vmovups %zmm2, -0x80(%r9)
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vmovups %zmm3, -0x40(%r9)
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ret
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L(less_128bytes):
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cmp $64, %dl
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jb L(less_64bytes)
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vmovdqu (%rsi), %ymm0
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vmovdqu 0x20(%rsi), %ymm1
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vmovdqu -0x40(%rcx), %ymm2
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vmovdqu -0x20(%rcx), %ymm3
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vmovdqu %ymm0, (%rdi)
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vmovdqu %ymm1, 0x20(%rdi)
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vmovdqu %ymm2, -0x40(%r9)
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vmovdqu %ymm3, -0x20(%r9)
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ret
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L(less_64bytes):
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cmp $32, %dl
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jb L(less_32bytes)
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vmovdqu (%rsi), %ymm0
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vmovdqu -0x20(%rcx), %ymm1
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vmovdqu %ymm0, (%rdi)
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vmovdqu %ymm1, -0x20(%r9)
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ret
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L(less_32bytes):
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vmovdqu (%rsi), %xmm0
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vmovdqu -0x10(%rcx), %xmm1
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vmovdqu %xmm0, (%rdi)
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vmovdqu %xmm1, -0x10(%r9)
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ret
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L(less_16bytes):
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cmp $8, %dl
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jb L(less_8bytes)
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movq (%rsi), %rsi
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movq -0x8(%rcx), %rcx
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movq %rsi, (%rdi)
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movq %rcx, -0x8(%r9)
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ret
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L(less_8bytes):
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cmp $4, %dl
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jb L(less_4bytes)
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mov (%rsi), %esi
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mov -0x4(%rcx), %ecx
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mov %esi, (%rdi)
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mov %ecx, -0x4(%r9)
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ret
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L(less_4bytes):
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cmp $2, %dl
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jb L(less_2bytes)
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mov (%rsi), %si
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mov -0x2(%rcx), %cx
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mov %si, (%rdi)
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mov %cx, -0x2(%r9)
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ret
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L(less_2bytes):
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cmp $1, %dl
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jb L(less_1bytes)
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mov (%rsi), %cl
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mov %cl, (%rdi)
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L(less_1bytes):
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ret
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L(512bytesormore):
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#ifdef SHARED_CACHE_SIZE_HALF
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mov $SHARED_CACHE_SIZE_HALF, %r8
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#else
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mov __x86_shared_cache_size_half(%rip), %r8
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#endif
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cmp %r8, %rdx
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jae L(preloop_large)
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cmp $1024, %rdx
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ja L(1024bytesormore)
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prefetcht1 (%rsi)
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prefetcht1 0x40(%rsi)
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prefetcht1 0x80(%rsi)
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prefetcht1 0xC0(%rsi)
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prefetcht1 0x100(%rsi)
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prefetcht1 0x140(%rsi)
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prefetcht1 0x180(%rsi)
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prefetcht1 0x1C0(%rsi)
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prefetcht1 -0x200(%rcx)
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prefetcht1 -0x1C0(%rcx)
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prefetcht1 -0x180(%rcx)
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prefetcht1 -0x140(%rcx)
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prefetcht1 -0x100(%rcx)
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prefetcht1 -0xC0(%rcx)
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prefetcht1 -0x80(%rcx)
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prefetcht1 -0x40(%rcx)
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vmovups (%rsi), %zmm0
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vmovups 0x40(%rsi), %zmm1
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vmovups 0x80(%rsi), %zmm2
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vmovups 0xC0(%rsi), %zmm3
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vmovups 0x100(%rsi), %zmm4
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vmovups 0x140(%rsi), %zmm5
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vmovups 0x180(%rsi), %zmm6
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vmovups 0x1C0(%rsi), %zmm7
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vmovups -0x200(%rcx), %zmm8
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vmovups -0x1C0(%rcx), %zmm9
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vmovups -0x180(%rcx), %zmm10
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vmovups -0x140(%rcx), %zmm11
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vmovups -0x100(%rcx), %zmm12
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vmovups -0xC0(%rcx), %zmm13
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vmovups -0x80(%rcx), %zmm14
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vmovups -0x40(%rcx), %zmm15
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vmovups %zmm0, (%rdi)
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vmovups %zmm1, 0x40(%rdi)
|
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vmovups %zmm2, 0x80(%rdi)
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vmovups %zmm3, 0xC0(%rdi)
|
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vmovups %zmm4, 0x100(%rdi)
|
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vmovups %zmm5, 0x140(%rdi)
|
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vmovups %zmm6, 0x180(%rdi)
|
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vmovups %zmm7, 0x1C0(%rdi)
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vmovups %zmm8, -0x200(%r9)
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vmovups %zmm9, -0x1C0(%r9)
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vmovups %zmm10, -0x180(%r9)
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vmovups %zmm11, -0x140(%r9)
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vmovups %zmm12, -0x100(%r9)
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vmovups %zmm13, -0xC0(%r9)
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vmovups %zmm14, -0x80(%r9)
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vmovups %zmm15, -0x40(%r9)
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ret
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L(1024bytesormore):
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cmp %rsi, %rdi
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ja L(1024bytesormore_bkw)
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sub $512, %r9
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vmovups -0x200(%rcx), %zmm8
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vmovups -0x1C0(%rcx), %zmm9
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vmovups -0x180(%rcx), %zmm10
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vmovups -0x140(%rcx), %zmm11
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vmovups -0x100(%rcx), %zmm12
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vmovups -0xC0(%rcx), %zmm13
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vmovups -0x80(%rcx), %zmm14
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vmovups -0x40(%rcx), %zmm15
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prefetcht1 (%rsi)
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prefetcht1 0x40(%rsi)
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prefetcht1 0x80(%rsi)
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prefetcht1 0xC0(%rsi)
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prefetcht1 0x100(%rsi)
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prefetcht1 0x140(%rsi)
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prefetcht1 0x180(%rsi)
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prefetcht1 0x1C0(%rsi)
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|
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/* Loop with unaligned memory access. */
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L(gobble_512bytes_loop):
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vmovups (%rsi), %zmm0
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vmovups 0x40(%rsi), %zmm1
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vmovups 0x80(%rsi), %zmm2
|
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vmovups 0xC0(%rsi), %zmm3
|
||||
vmovups 0x100(%rsi), %zmm4
|
||||
vmovups 0x140(%rsi), %zmm5
|
||||
vmovups 0x180(%rsi), %zmm6
|
||||
vmovups 0x1C0(%rsi), %zmm7
|
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add $512, %rsi
|
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prefetcht1 (%rsi)
|
||||
prefetcht1 0x40(%rsi)
|
||||
prefetcht1 0x80(%rsi)
|
||||
prefetcht1 0xC0(%rsi)
|
||||
prefetcht1 0x100(%rsi)
|
||||
prefetcht1 0x140(%rsi)
|
||||
prefetcht1 0x180(%rsi)
|
||||
prefetcht1 0x1C0(%rsi)
|
||||
vmovups %zmm0, (%rdi)
|
||||
vmovups %zmm1, 0x40(%rdi)
|
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vmovups %zmm2, 0x80(%rdi)
|
||||
vmovups %zmm3, 0xC0(%rdi)
|
||||
vmovups %zmm4, 0x100(%rdi)
|
||||
vmovups %zmm5, 0x140(%rdi)
|
||||
vmovups %zmm6, 0x180(%rdi)
|
||||
vmovups %zmm7, 0x1C0(%rdi)
|
||||
add $512, %rdi
|
||||
cmp %r9, %rdi
|
||||
jb L(gobble_512bytes_loop)
|
||||
vmovups %zmm8, (%r9)
|
||||
vmovups %zmm9, 0x40(%r9)
|
||||
vmovups %zmm10, 0x80(%r9)
|
||||
vmovups %zmm11, 0xC0(%r9)
|
||||
vmovups %zmm12, 0x100(%r9)
|
||||
vmovups %zmm13, 0x140(%r9)
|
||||
vmovups %zmm14, 0x180(%r9)
|
||||
vmovups %zmm15, 0x1C0(%r9)
|
||||
ret
|
||||
|
||||
L(1024bytesormore_bkw):
|
||||
add $512, %rdi
|
||||
vmovups 0x1C0(%rsi), %zmm8
|
||||
vmovups 0x180(%rsi), %zmm9
|
||||
vmovups 0x140(%rsi), %zmm10
|
||||
vmovups 0x100(%rsi), %zmm11
|
||||
vmovups 0xC0(%rsi), %zmm12
|
||||
vmovups 0x80(%rsi), %zmm13
|
||||
vmovups 0x40(%rsi), %zmm14
|
||||
vmovups (%rsi), %zmm15
|
||||
prefetcht1 -0x40(%rcx)
|
||||
prefetcht1 -0x80(%rcx)
|
||||
prefetcht1 -0xC0(%rcx)
|
||||
prefetcht1 -0x100(%rcx)
|
||||
prefetcht1 -0x140(%rcx)
|
||||
prefetcht1 -0x180(%rcx)
|
||||
prefetcht1 -0x1C0(%rcx)
|
||||
prefetcht1 -0x200(%rcx)
|
||||
|
||||
/* Backward loop with unaligned memory access. */
|
||||
L(gobble_512bytes_loop_bkw):
|
||||
vmovups -0x40(%rcx), %zmm0
|
||||
vmovups -0x80(%rcx), %zmm1
|
||||
vmovups -0xC0(%rcx), %zmm2
|
||||
vmovups -0x100(%rcx), %zmm3
|
||||
vmovups -0x140(%rcx), %zmm4
|
||||
vmovups -0x180(%rcx), %zmm5
|
||||
vmovups -0x1C0(%rcx), %zmm6
|
||||
vmovups -0x200(%rcx), %zmm7
|
||||
sub $512, %rcx
|
||||
prefetcht1 -0x40(%rcx)
|
||||
prefetcht1 -0x80(%rcx)
|
||||
prefetcht1 -0xC0(%rcx)
|
||||
prefetcht1 -0x100(%rcx)
|
||||
prefetcht1 -0x140(%rcx)
|
||||
prefetcht1 -0x180(%rcx)
|
||||
prefetcht1 -0x1C0(%rcx)
|
||||
prefetcht1 -0x200(%rcx)
|
||||
vmovups %zmm0, -0x40(%r9)
|
||||
vmovups %zmm1, -0x80(%r9)
|
||||
vmovups %zmm2, -0xC0(%r9)
|
||||
vmovups %zmm3, -0x100(%r9)
|
||||
vmovups %zmm4, -0x140(%r9)
|
||||
vmovups %zmm5, -0x180(%r9)
|
||||
vmovups %zmm6, -0x1C0(%r9)
|
||||
vmovups %zmm7, -0x200(%r9)
|
||||
sub $512, %r9
|
||||
cmp %rdi, %r9
|
||||
ja L(gobble_512bytes_loop_bkw)
|
||||
vmovups %zmm8, -0x40(%rdi)
|
||||
vmovups %zmm9, -0x80(%rdi)
|
||||
vmovups %zmm10, -0xC0(%rdi)
|
||||
vmovups %zmm11, -0x100(%rdi)
|
||||
vmovups %zmm12, -0x140(%rdi)
|
||||
vmovups %zmm13, -0x180(%rdi)
|
||||
vmovups %zmm14, -0x1C0(%rdi)
|
||||
vmovups %zmm15, -0x200(%rdi)
|
||||
ret
|
||||
|
||||
L(preloop_large):
|
||||
cmp %rsi, %rdi
|
||||
ja L(preloop_large_bkw)
|
||||
vmovups (%rsi), %zmm4
|
||||
vmovups 0x40(%rsi), %zmm5
|
||||
|
||||
/* Align destination for access with non-temporal stores in the loop. */
|
||||
mov %rdi, %r8
|
||||
and $-0x80, %rdi
|
||||
add $0x80, %rdi
|
||||
sub %rdi, %r8
|
||||
sub %r8, %rsi
|
||||
add %r8, %rdx
|
||||
L(gobble_256bytes_nt_loop):
|
||||
prefetcht1 0x200(%rsi)
|
||||
prefetcht1 0x240(%rsi)
|
||||
prefetcht1 0x280(%rsi)
|
||||
prefetcht1 0x2C0(%rsi)
|
||||
prefetcht1 0x300(%rsi)
|
||||
prefetcht1 0x340(%rsi)
|
||||
prefetcht1 0x380(%rsi)
|
||||
prefetcht1 0x3C0(%rsi)
|
||||
vmovdqu64 (%rsi), %zmm0
|
||||
vmovdqu64 0x40(%rsi), %zmm1
|
||||
vmovdqu64 0x80(%rsi), %zmm2
|
||||
vmovdqu64 0xC0(%rsi), %zmm3
|
||||
vmovntdq %zmm0, (%rdi)
|
||||
vmovntdq %zmm1, 0x40(%rdi)
|
||||
vmovntdq %zmm2, 0x80(%rdi)
|
||||
vmovntdq %zmm3, 0xC0(%rdi)
|
||||
sub $256, %rdx
|
||||
add $256, %rsi
|
||||
add $256, %rdi
|
||||
cmp $256, %rdx
|
||||
ja L(gobble_256bytes_nt_loop)
|
||||
sfence
|
||||
vmovups %zmm4, (%rax)
|
||||
vmovups %zmm5, 0x40(%rax)
|
||||
jmp L(check)
|
||||
|
||||
L(preloop_large_bkw):
|
||||
vmovups -0x80(%rcx), %zmm4
|
||||
vmovups -0x40(%rcx), %zmm5
|
||||
|
||||
/* Align end of destination for access with non-temporal stores. */
|
||||
mov %r9, %r8
|
||||
and $-0x80, %r9
|
||||
sub %r9, %r8
|
||||
sub %r8, %rcx
|
||||
sub %r8, %rdx
|
||||
add %r9, %r8
|
||||
L(gobble_256bytes_nt_loop_bkw):
|
||||
prefetcht1 -0x400(%rcx)
|
||||
prefetcht1 -0x3C0(%rcx)
|
||||
prefetcht1 -0x380(%rcx)
|
||||
prefetcht1 -0x340(%rcx)
|
||||
prefetcht1 -0x300(%rcx)
|
||||
prefetcht1 -0x2C0(%rcx)
|
||||
prefetcht1 -0x280(%rcx)
|
||||
prefetcht1 -0x240(%rcx)
|
||||
vmovdqu64 -0x100(%rcx), %zmm0
|
||||
vmovdqu64 -0xC0(%rcx), %zmm1
|
||||
vmovdqu64 -0x80(%rcx), %zmm2
|
||||
vmovdqu64 -0x40(%rcx), %zmm3
|
||||
vmovntdq %zmm0, -0x100(%r9)
|
||||
vmovntdq %zmm1, -0xC0(%r9)
|
||||
vmovntdq %zmm2, -0x80(%r9)
|
||||
vmovntdq %zmm3, -0x40(%r9)
|
||||
sub $256, %rdx
|
||||
sub $256, %rcx
|
||||
sub $256, %r9
|
||||
cmp $256, %rdx
|
||||
ja L(gobble_256bytes_nt_loop_bkw)
|
||||
sfence
|
||||
vmovups %zmm4, -0x80(%r8)
|
||||
vmovups %zmm5, -0x40(%r8)
|
||||
jmp L(check)
|
||||
END (MEMCPY)
|
||||
#endif
|
@ -30,19 +30,27 @@
|
||||
ENTRY(__new_memcpy)
|
||||
.type __new_memcpy, @gnu_indirect_function
|
||||
LOAD_RTLD_GLOBAL_RO_RDX
|
||||
leaq __memcpy_avx_unaligned(%rip), %rax
|
||||
HAS_ARCH_FEATURE (AVX_Fast_Unaligned_Load)
|
||||
jz 1f
|
||||
#ifdef HAVE_AVX512_ASM_SUPPORT
|
||||
HAS_ARCH_FEATURE (AVX512F_Usable)
|
||||
jz 1f
|
||||
HAS_ARCH_FEATURE (Prefer_No_VZEROUPPER)
|
||||
jz 1f
|
||||
leaq __memcpy_avx512_no_vzeroupper(%rip), %rax
|
||||
ret
|
||||
1: leaq __memcpy_sse2(%rip), %rax
|
||||
#endif
|
||||
1: leaq __memcpy_avx_unaligned(%rip), %rax
|
||||
HAS_ARCH_FEATURE (AVX_Fast_Unaligned_Load)
|
||||
jz 2f
|
||||
ret
|
||||
2: leaq __memcpy_sse2(%rip), %rax
|
||||
HAS_ARCH_FEATURE (Slow_BSF)
|
||||
jnz 2f
|
||||
jnz 3f
|
||||
leaq __memcpy_sse2_unaligned(%rip), %rax
|
||||
ret
|
||||
2: HAS_CPU_FEATURE (SSSE3)
|
||||
jz 3f
|
||||
3: HAS_CPU_FEATURE (SSSE3)
|
||||
jz 4f
|
||||
leaq __memcpy_ssse3(%rip), %rax
|
||||
3: ret
|
||||
4: ret
|
||||
END(__new_memcpy)
|
||||
|
||||
# undef ENTRY
|
||||
|
@ -30,7 +30,15 @@
|
||||
ENTRY(__memcpy_chk)
|
||||
.type __memcpy_chk, @gnu_indirect_function
|
||||
LOAD_RTLD_GLOBAL_RO_RDX
|
||||
leaq __memcpy_chk_sse2(%rip), %rax
|
||||
#ifdef HAVE_AVX512_ASM_SUPPORT
|
||||
HAS_ARCH_FEATURE (AVX512F_Usable)
|
||||
jz 1f
|
||||
# HAS_ARCH_FEATURE (Prefer_No_VZEROUPPER)
|
||||
# jz 1f
|
||||
leaq __memcpy_avx512_no_vzeroupper(%rip), %rax
|
||||
ret
|
||||
#endif
|
||||
1: leaq __memcpy_chk_sse2(%rip), %rax
|
||||
HAS_CPU_FEATURE (SSSE3)
|
||||
jz 2f
|
||||
leaq __memcpy_chk_ssse3(%rip), %rax
|
||||
|
22
sysdeps/x86_64/multiarch/memmove-avx512-no-vzeroupper.S
Normal file
22
sysdeps/x86_64/multiarch/memmove-avx512-no-vzeroupper.S
Normal file
@ -0,0 +1,22 @@
|
||||
/* memmove optimized with AVX512 for KNL hardware.
|
||||
Copyright (C) 2016 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/>. */
|
||||
|
||||
#define USE_AS_MEMMOVE
|
||||
#define MEMCPY __memmove_avx512_no_vzeroupper
|
||||
#define MEMCPY_CHK __memmove_chk_avx512_no_vzeroupper
|
||||
#include "memcpy-avx512-no-vzeroupper.S"
|
@ -36,6 +36,9 @@ extern __typeof (__redirect_memmove) __memmove_sse2 attribute_hidden;
|
||||
extern __typeof (__redirect_memmove) __memmove_ssse3 attribute_hidden;
|
||||
extern __typeof (__redirect_memmove) __memmove_ssse3_back attribute_hidden;
|
||||
extern __typeof (__redirect_memmove) __memmove_avx_unaligned attribute_hidden;
|
||||
# ifdef HAVE_AVX512_ASM_SUPPORT
|
||||
extern __typeof (__redirect_memmove) __memmove_avx512_no_vzeroupper attribute_hidden;
|
||||
# endif
|
||||
|
||||
#endif
|
||||
|
||||
@ -49,12 +52,18 @@ extern __typeof (__redirect_memmove) __memmove_avx_unaligned attribute_hidden;
|
||||
ifunc symbol properly. */
|
||||
extern __typeof (__redirect_memmove) __libc_memmove;
|
||||
libc_ifunc (__libc_memmove,
|
||||
HAS_ARCH_FEATURE (AVX_Fast_Unaligned_Load)
|
||||
#ifdef HAVE_AVX512_ASM_SUPPORT
|
||||
HAS_ARCH_FEATURE (AVX512F_Usable)
|
||||
&& HAS_ARCH_FEATURE (Prefer_No_VZEROUPPER)
|
||||
? __memmove_avx512_no_vzeroupper
|
||||
:
|
||||
#endif
|
||||
(HAS_ARCH_FEATURE (AVX_Fast_Unaligned_Load)
|
||||
? __memmove_avx_unaligned
|
||||
: (HAS_CPU_FEATURE (SSSE3)
|
||||
? (HAS_ARCH_FEATURE (Fast_Copy_Backward)
|
||||
? __memmove_ssse3_back : __memmove_ssse3)
|
||||
: __memmove_sse2));
|
||||
: __memmove_sse2)));
|
||||
|
||||
strong_alias (__libc_memmove, memmove)
|
||||
|
||||
|
@ -26,10 +26,19 @@ extern __typeof (__memmove_chk) __memmove_chk_sse2 attribute_hidden;
|
||||
extern __typeof (__memmove_chk) __memmove_chk_ssse3 attribute_hidden;
|
||||
extern __typeof (__memmove_chk) __memmove_chk_ssse3_back attribute_hidden;
|
||||
extern __typeof (__memmove_chk) __memmove_chk_avx_unaligned attribute_hidden;
|
||||
# ifdef HAVE_AVX512_ASM_SUPPORT
|
||||
extern __typeof (__memmove_chk) __memmove_chk_avx512_no_vzeroupper attribute_hidden;
|
||||
# endif
|
||||
|
||||
#include "debug/memmove_chk.c"
|
||||
|
||||
libc_ifunc (__memmove_chk,
|
||||
#ifdef HAVE_AVX512_ASM_SUPPORT
|
||||
HAS_ARCH_FEATURE (AVX512F_Usable)
|
||||
&& HAS_ARCH_FEATURE (Prefer_No_VZEROUPPER)
|
||||
? __memmove_chk_avx512_no_vzeroupper
|
||||
:
|
||||
#endif
|
||||
HAS_ARCH_FEATURE (AVX_Fast_Unaligned_Load) ? __memmove_chk_avx_unaligned :
|
||||
(HAS_CPU_FEATURE (SSSE3)
|
||||
? (HAS_ARCH_FEATURE (Fast_Copy_Backward)
|
||||
|
22
sysdeps/x86_64/multiarch/mempcpy-avx512-no-vzeroupper.S
Normal file
22
sysdeps/x86_64/multiarch/mempcpy-avx512-no-vzeroupper.S
Normal file
@ -0,0 +1,22 @@
|
||||
/* mempcpy optimized with AVX512 for KNL hardware.
|
||||
Copyright (C) 2016 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/>. */
|
||||
|
||||
#define USE_AS_MEMPCPY
|
||||
#define MEMCPY __mempcpy_avx512_no_vzeroupper
|
||||
#define MEMCPY_CHK __mempcpy_chk_avx512_no_vzeroupper
|
||||
#include "memcpy-avx512-no-vzeroupper.S"
|
@ -28,7 +28,15 @@
|
||||
ENTRY(__mempcpy)
|
||||
.type __mempcpy, @gnu_indirect_function
|
||||
LOAD_RTLD_GLOBAL_RO_RDX
|
||||
leaq __mempcpy_sse2(%rip), %rax
|
||||
#ifdef HAVE_AVX512_ASM_SUPPORT
|
||||
HAS_ARCH_FEATURE (AVX512F_Usable)
|
||||
jz 1f
|
||||
HAS_ARCH_FEATURE (Prefer_No_VZEROUPPER)
|
||||
jz 1f
|
||||
leaq __mempcpy_avx512_no_vzeroupper(%rip), %rax
|
||||
ret
|
||||
#endif
|
||||
1: leaq __mempcpy_sse2(%rip), %rax
|
||||
HAS_CPU_FEATURE (SSSE3)
|
||||
jz 2f
|
||||
leaq __mempcpy_ssse3(%rip), %rax
|
||||
|
@ -30,7 +30,15 @@
|
||||
ENTRY(__mempcpy_chk)
|
||||
.type __mempcpy_chk, @gnu_indirect_function
|
||||
LOAD_RTLD_GLOBAL_RO_RDX
|
||||
leaq __mempcpy_chk_sse2(%rip), %rax
|
||||
#ifdef HAVE_AVX512_ASM_SUPPORT
|
||||
HAS_ARCH_FEATURE (AVX512F_Usable)
|
||||
jz 1f
|
||||
HAS_ARCH_FEATURE (Prefer_No_VZEROUPPER)
|
||||
jz 1f
|
||||
leaq __mempcpy_chk_avx512_no_vzeroupper(%rip), %rax
|
||||
ret
|
||||
#endif
|
||||
1: leaq __mempcpy_chk_sse2(%rip), %rax
|
||||
HAS_CPU_FEATURE (SSSE3)
|
||||
jz 2f
|
||||
leaq __mempcpy_chk_ssse3(%rip), %rax
|
||||
|
Loading…
Reference in New Issue
Block a user