mirror of
https://sourceware.org/git/glibc.git
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1811 lines
40 KiB
ArmAsm
1811 lines
40 KiB
ArmAsm
/* memcpy with SSSE3 and REP string.
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Copyright (C) 2010, 2012 Free Software Foundation, Inc.
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Contributed by Intel Corporation.
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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, write to the Free
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Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
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02111-1307 USA. */
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#include <sysdep.h>
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#if !defined NOT_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_ssse3_rep
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# define MEMCPY_CHK __memcpy_chk_ssse3_rep
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#endif
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#ifdef USE_AS_BCOPY
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# define SRC PARMS
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# define DEST SRC+4
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# define LEN DEST+4
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#else
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# define DEST PARMS
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# define SRC DEST+4
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# define LEN SRC+4
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#endif
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#define CFI_PUSH(REG) \
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cfi_adjust_cfa_offset (4); \
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cfi_rel_offset (REG, 0)
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#define CFI_POP(REG) \
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cfi_adjust_cfa_offset (-4); \
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cfi_restore (REG)
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#define PUSH(REG) pushl REG; CFI_PUSH (REG)
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#define POP(REG) popl REG; CFI_POP (REG)
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#ifdef SHARED
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# define PARMS 8 /* Preserve EBX. */
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# define ENTRANCE PUSH (%ebx);
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# define RETURN_END POP (%ebx); ret
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# define RETURN RETURN_END; CFI_PUSH (%ebx)
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# define JMPTBL(I, B) I - B
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/* Load an entry in a jump table into EBX and branch to it. TABLE is a
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jump table with relative offsets. INDEX is a register contains the
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index into the jump table. SCALE is the scale of INDEX. */
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# define BRANCH_TO_JMPTBL_ENTRY(TABLE, INDEX, SCALE) \
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/* We first load PC into EBX. */ \
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SETUP_PIC_REG(bx); \
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/* Get the address of the jump table. */ \
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addl $(TABLE - .), %ebx; \
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/* Get the entry and convert the relative offset to the \
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absolute address. */ \
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addl (%ebx,INDEX,SCALE), %ebx; \
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/* We loaded the jump table. Go. */ \
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jmp *%ebx
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# define BRANCH_TO_JMPTBL_ENTRY_VALUE(TABLE) \
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addl $(TABLE - .), %ebx
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# define BRANCH_TO_JMPTBL_ENTRY_TAIL(TABLE, INDEX, SCALE) \
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addl (%ebx,INDEX,SCALE), %ebx; \
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/* We loaded the jump table. Go. */ \
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jmp *%ebx
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#else
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# define PARMS 4
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# define ENTRANCE
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# define RETURN_END ret
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# define RETURN RETURN_END
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# define JMPTBL(I, B) I
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/* Branch to an entry in a jump table. TABLE is a jump table with
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absolute offsets. INDEX is a register contains the index into the
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jump table. SCALE is the scale of INDEX. */
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# define BRANCH_TO_JMPTBL_ENTRY(TABLE, INDEX, SCALE) \
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jmp *TABLE(,INDEX,SCALE)
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# define BRANCH_TO_JMPTBL_ENTRY_VALUE(TABLE)
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# define BRANCH_TO_JMPTBL_ENTRY_TAIL(TABLE, INDEX, SCALE) \
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jmp *TABLE(,INDEX,SCALE)
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#endif
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.section .text.ssse3,"ax",@progbits
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#if !defined USE_AS_BCOPY
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ENTRY (MEMCPY_CHK)
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movl 12(%esp), %eax
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cmpl %eax, 16(%esp)
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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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ENTRANCE
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movl LEN(%esp), %ecx
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movl SRC(%esp), %eax
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movl DEST(%esp), %edx
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#ifdef USE_AS_MEMMOVE
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cmp %eax, %edx
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jb L(copy_forward)
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je L(fwd_write_0bytes)
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cmp $48, %ecx
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jb L(bk_write_less48bytes)
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add %ecx, %eax
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cmp %eax, %edx
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movl SRC(%esp), %eax
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jb L(copy_backward)
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L(copy_forward):
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#endif
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cmp $48, %ecx
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jae L(48bytesormore)
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L(fwd_write_less32bytes):
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#ifndef USE_AS_MEMMOVE
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cmp %dl, %al
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jb L(bk_write)
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#endif
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add %ecx, %edx
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add %ecx, %eax
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BRANCH_TO_JMPTBL_ENTRY (L(table_48bytes_fwd), %ecx, 4)
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#ifndef USE_AS_MEMMOVE
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L(bk_write):
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BRANCH_TO_JMPTBL_ENTRY (L(table_48_bytes_bwd), %ecx, 4)
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#endif
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ALIGN (4)
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/* ECX > 32 and EDX is 4 byte aligned. */
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L(48bytesormore):
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movdqu (%eax), %xmm0
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PUSH (%edi)
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movl %edx, %edi
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and $-16, %edx
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PUSH (%esi)
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cfi_remember_state
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add $16, %edx
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movl %edi, %esi
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sub %edx, %edi
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add %edi, %ecx
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sub %edi, %eax
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#ifdef SHARED_CACHE_SIZE_HALF
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cmp $SHARED_CACHE_SIZE_HALF, %ecx
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#else
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# ifdef SHARED
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SETUP_PIC_REG(bx)
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add $_GLOBAL_OFFSET_TABLE_, %ebx
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cmp __x86_shared_cache_size_half@GOTOFF(%ebx), %ecx
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# else
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cmp __x86_shared_cache_size_half, %ecx
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# endif
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#endif
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mov %eax, %edi
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jae L(large_page)
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and $0xf, %edi
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jz L(shl_0)
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BRANCH_TO_JMPTBL_ENTRY (L(shl_table), %edi, 4)
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ALIGN (4)
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L(shl_0):
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movdqu %xmm0, (%esi)
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xor %edi, %edi
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cmp $127, %ecx
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ja L(shl_0_gobble)
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lea -32(%ecx), %ecx
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L(shl_0_loop):
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movdqa (%eax, %edi), %xmm0
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movdqa 16(%eax, %edi), %xmm1
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sub $32, %ecx
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movdqa %xmm0, (%edx, %edi)
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movdqa %xmm1, 16(%edx, %edi)
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lea 32(%edi), %edi
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jb L(shl_0_end)
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movdqa (%eax, %edi), %xmm0
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movdqa 16(%eax, %edi), %xmm1
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sub $32, %ecx
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movdqa %xmm0, (%edx, %edi)
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movdqa %xmm1, 16(%edx, %edi)
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lea 32(%edi), %edi
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jb L(shl_0_end)
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movdqa (%eax, %edi), %xmm0
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movdqa 16(%eax, %edi), %xmm1
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sub $32, %ecx
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movdqa %xmm0, (%edx, %edi)
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movdqa %xmm1, 16(%edx, %edi)
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lea 32(%edi), %edi
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jb L(shl_0_end)
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movdqa (%eax, %edi), %xmm0
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movdqa 16(%eax, %edi), %xmm1
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sub $32, %ecx
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movdqa %xmm0, (%edx, %edi)
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movdqa %xmm1, 16(%edx, %edi)
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lea 32(%edi), %edi
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L(shl_0_end):
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lea 32(%ecx), %ecx
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add %ecx, %edi
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add %edi, %edx
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add %edi, %eax
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POP (%esi)
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POP (%edi)
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BRANCH_TO_JMPTBL_ENTRY (L(table_48bytes_fwd), %ecx, 4)
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cfi_restore_state
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cfi_remember_state
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L(shl_0_gobble):
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#ifdef DATA_CACHE_SIZE_HALF
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cmp $DATA_CACHE_SIZE_HALF, %ecx
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#else
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# ifdef SHARED
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SETUP_PIC_REG(bx)
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add $_GLOBAL_OFFSET_TABLE_, %ebx
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mov __x86_data_cache_size_half@GOTOFF(%ebx), %edi
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# else
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mov __x86_data_cache_size_half, %edi
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# endif
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#endif
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mov %edi, %esi
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shr $3, %esi
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sub %esi, %edi
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cmp %edi, %ecx
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jae L(shl_0_gobble_mem_start)
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sub $128, %ecx
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ALIGN (4)
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L(shl_0_gobble_cache_loop):
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movdqa (%eax), %xmm0
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movaps 0x10(%eax), %xmm1
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movaps 0x20(%eax), %xmm2
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movaps 0x30(%eax), %xmm3
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movaps 0x40(%eax), %xmm4
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movaps 0x50(%eax), %xmm5
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movaps 0x60(%eax), %xmm6
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movaps 0x70(%eax), %xmm7
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lea 0x80(%eax), %eax
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sub $128, %ecx
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movdqa %xmm0, (%edx)
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movaps %xmm1, 0x10(%edx)
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movaps %xmm2, 0x20(%edx)
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movaps %xmm3, 0x30(%edx)
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movaps %xmm4, 0x40(%edx)
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movaps %xmm5, 0x50(%edx)
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movaps %xmm6, 0x60(%edx)
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movaps %xmm7, 0x70(%edx)
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lea 0x80(%edx), %edx
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jae L(shl_0_gobble_cache_loop)
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add $0x80, %ecx
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cmp $0x40, %ecx
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jb L(shl_0_cache_less_64bytes)
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movdqa (%eax), %xmm0
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sub $0x40, %ecx
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movdqa 0x10(%eax), %xmm1
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movdqa %xmm0, (%edx)
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movdqa %xmm1, 0x10(%edx)
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movdqa 0x20(%eax), %xmm0
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movdqa 0x30(%eax), %xmm1
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add $0x40, %eax
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movdqa %xmm0, 0x20(%edx)
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movdqa %xmm1, 0x30(%edx)
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add $0x40, %edx
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L(shl_0_cache_less_64bytes):
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cmp $0x20, %ecx
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jb L(shl_0_cache_less_32bytes)
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movdqa (%eax), %xmm0
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sub $0x20, %ecx
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movdqa 0x10(%eax), %xmm1
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add $0x20, %eax
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movdqa %xmm0, (%edx)
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movdqa %xmm1, 0x10(%edx)
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add $0x20, %edx
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L(shl_0_cache_less_32bytes):
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cmp $0x10, %ecx
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jb L(shl_0_cache_less_16bytes)
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sub $0x10, %ecx
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movdqa (%eax), %xmm0
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add $0x10, %eax
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movdqa %xmm0, (%edx)
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add $0x10, %edx
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L(shl_0_cache_less_16bytes):
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add %ecx, %edx
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add %ecx, %eax
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POP (%esi)
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POP (%edi)
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BRANCH_TO_JMPTBL_ENTRY (L(table_48bytes_fwd), %ecx, 4)
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cfi_restore_state
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cfi_remember_state
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ALIGN (4)
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L(shl_0_gobble_mem_start):
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cmp %al, %dl
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je L(copy_page_by_rep)
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sub $128, %ecx
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L(shl_0_gobble_mem_loop):
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prefetchnta 0x1c0(%eax)
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prefetchnta 0x280(%eax)
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prefetchnta 0x1c0(%edx)
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prefetchnta 0x280(%edx)
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movdqa (%eax), %xmm0
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movaps 0x10(%eax), %xmm1
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movaps 0x20(%eax), %xmm2
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movaps 0x30(%eax), %xmm3
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movaps 0x40(%eax), %xmm4
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movaps 0x50(%eax), %xmm5
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movaps 0x60(%eax), %xmm6
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movaps 0x70(%eax), %xmm7
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lea 0x80(%eax), %eax
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sub $0x80, %ecx
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movdqa %xmm0, (%edx)
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movaps %xmm1, 0x10(%edx)
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movaps %xmm2, 0x20(%edx)
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movaps %xmm3, 0x30(%edx)
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movaps %xmm4, 0x40(%edx)
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movaps %xmm5, 0x50(%edx)
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movaps %xmm6, 0x60(%edx)
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movaps %xmm7, 0x70(%edx)
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lea 0x80(%edx), %edx
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jae L(shl_0_gobble_mem_loop)
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add $0x80, %ecx
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cmp $0x40, %ecx
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jb L(shl_0_mem_less_64bytes)
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movdqa (%eax), %xmm0
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sub $0x40, %ecx
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movdqa 0x10(%eax), %xmm1
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movdqa %xmm0, (%edx)
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movdqa %xmm1, 0x10(%edx)
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movdqa 0x20(%eax), %xmm0
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movdqa 0x30(%eax), %xmm1
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add $0x40, %eax
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movdqa %xmm0, 0x20(%edx)
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movdqa %xmm1, 0x30(%edx)
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add $0x40, %edx
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L(shl_0_mem_less_64bytes):
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cmp $0x20, %ecx
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jb L(shl_0_mem_less_32bytes)
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movdqa (%eax), %xmm0
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sub $0x20, %ecx
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movdqa 0x10(%eax), %xmm1
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add $0x20, %eax
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movdqa %xmm0, (%edx)
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movdqa %xmm1, 0x10(%edx)
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add $0x20, %edx
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L(shl_0_mem_less_32bytes):
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cmp $0x10, %ecx
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jb L(shl_0_mem_less_16bytes)
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sub $0x10, %ecx
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movdqa (%eax), %xmm0
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add $0x10, %eax
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movdqa %xmm0, (%edx)
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add $0x10, %edx
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L(shl_0_mem_less_16bytes):
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add %ecx, %edx
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add %ecx, %eax
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POP (%esi)
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POP (%edi)
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BRANCH_TO_JMPTBL_ENTRY (L(table_48bytes_fwd), %ecx, 4)
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cfi_restore_state
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cfi_remember_state
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ALIGN (4)
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L(shl_1):
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BRANCH_TO_JMPTBL_ENTRY_VALUE(L(table_48bytes_fwd))
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sub $1, %eax
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movaps (%eax), %xmm1
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xor %edi, %edi
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sub $32, %ecx
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movdqu %xmm0, (%esi)
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POP (%esi)
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L(shl_1_loop):
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movdqa 16(%eax, %edi), %xmm2
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sub $32, %ecx
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movdqa 32(%eax, %edi), %xmm3
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movdqa %xmm3, %xmm4
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palignr $1, %xmm2, %xmm3
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palignr $1, %xmm1, %xmm2
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lea 32(%edi), %edi
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movdqa %xmm2, -32(%edx, %edi)
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movdqa %xmm3, -16(%edx, %edi)
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jb L(shl_1_end)
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movdqa 16(%eax, %edi), %xmm2
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sub $32, %ecx
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movdqa 32(%eax, %edi), %xmm3
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movdqa %xmm3, %xmm1
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palignr $1, %xmm2, %xmm3
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palignr $1, %xmm4, %xmm2
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lea 32(%edi), %edi
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movdqa %xmm2, -32(%edx, %edi)
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movdqa %xmm3, -16(%edx, %edi)
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jae L(shl_1_loop)
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L(shl_1_end):
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add $32, %ecx
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add %ecx, %edi
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add %edi, %edx
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lea 1(%edi, %eax), %eax
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POP (%edi)
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BRANCH_TO_JMPTBL_ENTRY_TAIL(L(table_48bytes_fwd), %ecx, 4)
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cfi_restore_state
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cfi_remember_state
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ALIGN (4)
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L(shl_2):
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|
BRANCH_TO_JMPTBL_ENTRY_VALUE(L(table_48bytes_fwd))
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sub $2, %eax
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movaps (%eax), %xmm1
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xor %edi, %edi
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sub $32, %ecx
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movdqu %xmm0, (%esi)
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POP (%esi)
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L(shl_2_loop):
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movdqa 16(%eax, %edi), %xmm2
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sub $32, %ecx
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movdqa 32(%eax, %edi), %xmm3
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movdqa %xmm3, %xmm4
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palignr $2, %xmm2, %xmm3
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palignr $2, %xmm1, %xmm2
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lea 32(%edi), %edi
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movdqa %xmm2, -32(%edx, %edi)
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movdqa %xmm3, -16(%edx, %edi)
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jb L(shl_2_end)
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movdqa 16(%eax, %edi), %xmm2
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sub $32, %ecx
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movdqa 32(%eax, %edi), %xmm3
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movdqa %xmm3, %xmm1
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palignr $2, %xmm2, %xmm3
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palignr $2, %xmm4, %xmm2
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lea 32(%edi), %edi
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movdqa %xmm2, -32(%edx, %edi)
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movdqa %xmm3, -16(%edx, %edi)
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jae L(shl_2_loop)
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L(shl_2_end):
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add $32, %ecx
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add %ecx, %edi
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add %edi, %edx
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lea 2(%edi, %eax), %eax
|
|
POP (%edi)
|
|
BRANCH_TO_JMPTBL_ENTRY_TAIL(L(table_48bytes_fwd), %ecx, 4)
|
|
|
|
cfi_restore_state
|
|
cfi_remember_state
|
|
ALIGN (4)
|
|
L(shl_3):
|
|
BRANCH_TO_JMPTBL_ENTRY_VALUE(L(table_48bytes_fwd))
|
|
sub $3, %eax
|
|
movaps (%eax), %xmm1
|
|
xor %edi, %edi
|
|
sub $32, %ecx
|
|
movdqu %xmm0, (%esi)
|
|
POP (%esi)
|
|
L(shl_3_loop):
|
|
|
|
movdqa 16(%eax, %edi), %xmm2
|
|
sub $32, %ecx
|
|
movdqa 32(%eax, %edi), %xmm3
|
|
movdqa %xmm3, %xmm4
|
|
palignr $3, %xmm2, %xmm3
|
|
palignr $3, %xmm1, %xmm2
|
|
lea 32(%edi), %edi
|
|
movdqa %xmm2, -32(%edx, %edi)
|
|
movdqa %xmm3, -16(%edx, %edi)
|
|
|
|
jb L(shl_3_end)
|
|
|
|
movdqa 16(%eax, %edi), %xmm2
|
|
sub $32, %ecx
|
|
movdqa 32(%eax, %edi), %xmm3
|
|
movdqa %xmm3, %xmm1
|
|
palignr $3, %xmm2, %xmm3
|
|
palignr $3, %xmm4, %xmm2
|
|
lea 32(%edi), %edi
|
|
movdqa %xmm2, -32(%edx, %edi)
|
|
movdqa %xmm3, -16(%edx, %edi)
|
|
|
|
jae L(shl_3_loop)
|
|
|
|
L(shl_3_end):
|
|
add $32, %ecx
|
|
add %ecx, %edi
|
|
add %edi, %edx
|
|
lea 3(%edi, %eax), %eax
|
|
POP (%edi)
|
|
BRANCH_TO_JMPTBL_ENTRY_TAIL(L(table_48bytes_fwd), %ecx, 4)
|
|
|
|
cfi_restore_state
|
|
cfi_remember_state
|
|
ALIGN (4)
|
|
L(shl_4):
|
|
BRANCH_TO_JMPTBL_ENTRY_VALUE(L(table_48bytes_fwd))
|
|
sub $4, %eax
|
|
movaps (%eax), %xmm1
|
|
xor %edi, %edi
|
|
sub $32, %ecx
|
|
movdqu %xmm0, (%esi)
|
|
POP (%esi)
|
|
L(shl_4_loop):
|
|
|
|
movdqa 16(%eax, %edi), %xmm2
|
|
sub $32, %ecx
|
|
movdqa 32(%eax, %edi), %xmm3
|
|
movdqa %xmm3, %xmm4
|
|
palignr $4, %xmm2, %xmm3
|
|
palignr $4, %xmm1, %xmm2
|
|
lea 32(%edi), %edi
|
|
movdqa %xmm2, -32(%edx, %edi)
|
|
movdqa %xmm3, -16(%edx, %edi)
|
|
|
|
jb L(shl_4_end)
|
|
|
|
movdqa 16(%eax, %edi), %xmm2
|
|
sub $32, %ecx
|
|
movdqa 32(%eax, %edi), %xmm3
|
|
movdqa %xmm3, %xmm1
|
|
palignr $4, %xmm2, %xmm3
|
|
palignr $4, %xmm4, %xmm2
|
|
lea 32(%edi), %edi
|
|
movdqa %xmm2, -32(%edx, %edi)
|
|
movdqa %xmm3, -16(%edx, %edi)
|
|
|
|
jae L(shl_4_loop)
|
|
|
|
L(shl_4_end):
|
|
add $32, %ecx
|
|
add %ecx, %edi
|
|
add %edi, %edx
|
|
lea 4(%edi, %eax), %eax
|
|
POP (%edi)
|
|
BRANCH_TO_JMPTBL_ENTRY_TAIL(L(table_48bytes_fwd), %ecx, 4)
|
|
|
|
cfi_restore_state
|
|
cfi_remember_state
|
|
ALIGN (4)
|
|
L(shl_5):
|
|
BRANCH_TO_JMPTBL_ENTRY_VALUE(L(table_48bytes_fwd))
|
|
sub $5, %eax
|
|
movaps (%eax), %xmm1
|
|
xor %edi, %edi
|
|
sub $32, %ecx
|
|
movdqu %xmm0, (%esi)
|
|
POP (%esi)
|
|
L(shl_5_loop):
|
|
|
|
movdqa 16(%eax, %edi), %xmm2
|
|
sub $32, %ecx
|
|
movdqa 32(%eax, %edi), %xmm3
|
|
movdqa %xmm3, %xmm4
|
|
palignr $5, %xmm2, %xmm3
|
|
palignr $5, %xmm1, %xmm2
|
|
lea 32(%edi), %edi
|
|
movdqa %xmm2, -32(%edx, %edi)
|
|
movdqa %xmm3, -16(%edx, %edi)
|
|
|
|
jb L(shl_5_end)
|
|
|
|
movdqa 16(%eax, %edi), %xmm2
|
|
sub $32, %ecx
|
|
movdqa 32(%eax, %edi), %xmm3
|
|
movdqa %xmm3, %xmm1
|
|
palignr $5, %xmm2, %xmm3
|
|
palignr $5, %xmm4, %xmm2
|
|
lea 32(%edi), %edi
|
|
movdqa %xmm2, -32(%edx, %edi)
|
|
movdqa %xmm3, -16(%edx, %edi)
|
|
|
|
jae L(shl_5_loop)
|
|
|
|
L(shl_5_end):
|
|
add $32, %ecx
|
|
add %ecx, %edi
|
|
add %edi, %edx
|
|
lea 5(%edi, %eax), %eax
|
|
POP (%edi)
|
|
BRANCH_TO_JMPTBL_ENTRY_TAIL(L(table_48bytes_fwd), %ecx, 4)
|
|
|
|
cfi_restore_state
|
|
cfi_remember_state
|
|
ALIGN (4)
|
|
L(shl_6):
|
|
BRANCH_TO_JMPTBL_ENTRY_VALUE(L(table_48bytes_fwd))
|
|
sub $6, %eax
|
|
movaps (%eax), %xmm1
|
|
xor %edi, %edi
|
|
sub $32, %ecx
|
|
movdqu %xmm0, (%esi)
|
|
POP (%esi)
|
|
L(shl_6_loop):
|
|
|
|
movdqa 16(%eax, %edi), %xmm2
|
|
sub $32, %ecx
|
|
movdqa 32(%eax, %edi), %xmm3
|
|
movdqa %xmm3, %xmm4
|
|
palignr $6, %xmm2, %xmm3
|
|
palignr $6, %xmm1, %xmm2
|
|
lea 32(%edi), %edi
|
|
movdqa %xmm2, -32(%edx, %edi)
|
|
movdqa %xmm3, -16(%edx, %edi)
|
|
|
|
jb L(shl_6_end)
|
|
|
|
movdqa 16(%eax, %edi), %xmm2
|
|
sub $32, %ecx
|
|
movdqa 32(%eax, %edi), %xmm3
|
|
movdqa %xmm3, %xmm1
|
|
palignr $6, %xmm2, %xmm3
|
|
palignr $6, %xmm4, %xmm2
|
|
lea 32(%edi), %edi
|
|
movdqa %xmm2, -32(%edx, %edi)
|
|
movdqa %xmm3, -16(%edx, %edi)
|
|
|
|
jae L(shl_6_loop)
|
|
|
|
L(shl_6_end):
|
|
add $32, %ecx
|
|
add %ecx, %edi
|
|
add %edi, %edx
|
|
lea 6(%edi, %eax), %eax
|
|
POP (%edi)
|
|
BRANCH_TO_JMPTBL_ENTRY_TAIL(L(table_48bytes_fwd), %ecx, 4)
|
|
|
|
cfi_restore_state
|
|
cfi_remember_state
|
|
ALIGN (4)
|
|
L(shl_7):
|
|
BRANCH_TO_JMPTBL_ENTRY_VALUE(L(table_48bytes_fwd))
|
|
sub $7, %eax
|
|
movaps (%eax), %xmm1
|
|
xor %edi, %edi
|
|
sub $32, %ecx
|
|
movdqu %xmm0, (%esi)
|
|
POP (%esi)
|
|
L(shl_7_loop):
|
|
|
|
movdqa 16(%eax, %edi), %xmm2
|
|
sub $32, %ecx
|
|
movdqa 32(%eax, %edi), %xmm3
|
|
movdqa %xmm3, %xmm4
|
|
palignr $7, %xmm2, %xmm3
|
|
palignr $7, %xmm1, %xmm2
|
|
lea 32(%edi), %edi
|
|
movdqa %xmm2, -32(%edx, %edi)
|
|
movdqa %xmm3, -16(%edx, %edi)
|
|
|
|
jb L(shl_7_end)
|
|
|
|
movdqa 16(%eax, %edi), %xmm2
|
|
sub $32, %ecx
|
|
movdqa 32(%eax, %edi), %xmm3
|
|
movdqa %xmm3, %xmm1
|
|
palignr $7, %xmm2, %xmm3
|
|
palignr $7, %xmm4, %xmm2
|
|
lea 32(%edi), %edi
|
|
movdqa %xmm2, -32(%edx, %edi)
|
|
movdqa %xmm3, -16(%edx, %edi)
|
|
|
|
jae L(shl_7_loop)
|
|
|
|
L(shl_7_end):
|
|
add $32, %ecx
|
|
add %ecx, %edi
|
|
add %edi, %edx
|
|
lea 7(%edi, %eax), %eax
|
|
POP (%edi)
|
|
BRANCH_TO_JMPTBL_ENTRY_TAIL(L(table_48bytes_fwd), %ecx, 4)
|
|
|
|
cfi_restore_state
|
|
cfi_remember_state
|
|
ALIGN (4)
|
|
L(shl_8):
|
|
BRANCH_TO_JMPTBL_ENTRY_VALUE(L(table_48bytes_fwd))
|
|
sub $8, %eax
|
|
movaps (%eax), %xmm1
|
|
xor %edi, %edi
|
|
sub $32, %ecx
|
|
movdqu %xmm0, (%esi)
|
|
POP (%esi)
|
|
L(shl_8_loop):
|
|
|
|
movdqa 16(%eax, %edi), %xmm2
|
|
sub $32, %ecx
|
|
movdqa 32(%eax, %edi), %xmm3
|
|
movdqa %xmm3, %xmm4
|
|
palignr $8, %xmm2, %xmm3
|
|
palignr $8, %xmm1, %xmm2
|
|
lea 32(%edi), %edi
|
|
movdqa %xmm2, -32(%edx, %edi)
|
|
movdqa %xmm3, -16(%edx, %edi)
|
|
|
|
jb L(shl_8_end)
|
|
|
|
movdqa 16(%eax, %edi), %xmm2
|
|
sub $32, %ecx
|
|
movdqa 32(%eax, %edi), %xmm3
|
|
movdqa %xmm3, %xmm1
|
|
palignr $8, %xmm2, %xmm3
|
|
palignr $8, %xmm4, %xmm2
|
|
lea 32(%edi), %edi
|
|
movdqa %xmm2, -32(%edx, %edi)
|
|
movdqa %xmm3, -16(%edx, %edi)
|
|
|
|
jae L(shl_8_loop)
|
|
|
|
L(shl_8_end):
|
|
add $32, %ecx
|
|
add %ecx, %edi
|
|
add %edi, %edx
|
|
lea 8(%edi, %eax), %eax
|
|
POP (%edi)
|
|
BRANCH_TO_JMPTBL_ENTRY_TAIL(L(table_48bytes_fwd), %ecx, 4)
|
|
|
|
cfi_restore_state
|
|
cfi_remember_state
|
|
ALIGN (4)
|
|
L(shl_9):
|
|
BRANCH_TO_JMPTBL_ENTRY_VALUE(L(table_48bytes_fwd))
|
|
sub $9, %eax
|
|
movaps (%eax), %xmm1
|
|
xor %edi, %edi
|
|
sub $32, %ecx
|
|
movdqu %xmm0, (%esi)
|
|
POP (%esi)
|
|
L(shl_9_loop):
|
|
|
|
movdqa 16(%eax, %edi), %xmm2
|
|
sub $32, %ecx
|
|
movdqa 32(%eax, %edi), %xmm3
|
|
movdqa %xmm3, %xmm4
|
|
palignr $9, %xmm2, %xmm3
|
|
palignr $9, %xmm1, %xmm2
|
|
lea 32(%edi), %edi
|
|
movdqa %xmm2, -32(%edx, %edi)
|
|
movdqa %xmm3, -16(%edx, %edi)
|
|
|
|
jb L(shl_9_end)
|
|
|
|
movdqa 16(%eax, %edi), %xmm2
|
|
sub $32, %ecx
|
|
movdqa 32(%eax, %edi), %xmm3
|
|
movdqa %xmm3, %xmm1
|
|
palignr $9, %xmm2, %xmm3
|
|
palignr $9, %xmm4, %xmm2
|
|
lea 32(%edi), %edi
|
|
movdqa %xmm2, -32(%edx, %edi)
|
|
movdqa %xmm3, -16(%edx, %edi)
|
|
|
|
jae L(shl_9_loop)
|
|
|
|
L(shl_9_end):
|
|
add $32, %ecx
|
|
add %ecx, %edi
|
|
add %edi, %edx
|
|
lea 9(%edi, %eax), %eax
|
|
POP (%edi)
|
|
BRANCH_TO_JMPTBL_ENTRY_TAIL(L(table_48bytes_fwd), %ecx, 4)
|
|
|
|
cfi_restore_state
|
|
cfi_remember_state
|
|
ALIGN (4)
|
|
L(shl_10):
|
|
BRANCH_TO_JMPTBL_ENTRY_VALUE(L(table_48bytes_fwd))
|
|
sub $10, %eax
|
|
movaps (%eax), %xmm1
|
|
xor %edi, %edi
|
|
sub $32, %ecx
|
|
movdqu %xmm0, (%esi)
|
|
POP (%esi)
|
|
L(shl_10_loop):
|
|
|
|
movdqa 16(%eax, %edi), %xmm2
|
|
sub $32, %ecx
|
|
movdqa 32(%eax, %edi), %xmm3
|
|
movdqa %xmm3, %xmm4
|
|
palignr $10, %xmm2, %xmm3
|
|
palignr $10, %xmm1, %xmm2
|
|
lea 32(%edi), %edi
|
|
movdqa %xmm2, -32(%edx, %edi)
|
|
movdqa %xmm3, -16(%edx, %edi)
|
|
|
|
jb L(shl_10_end)
|
|
|
|
movdqa 16(%eax, %edi), %xmm2
|
|
sub $32, %ecx
|
|
movdqa 32(%eax, %edi), %xmm3
|
|
movdqa %xmm3, %xmm1
|
|
palignr $10, %xmm2, %xmm3
|
|
palignr $10, %xmm4, %xmm2
|
|
lea 32(%edi), %edi
|
|
movdqa %xmm2, -32(%edx, %edi)
|
|
movdqa %xmm3, -16(%edx, %edi)
|
|
|
|
jae L(shl_10_loop)
|
|
|
|
L(shl_10_end):
|
|
add $32, %ecx
|
|
add %ecx, %edi
|
|
add %edi, %edx
|
|
lea 10(%edi, %eax), %eax
|
|
POP (%edi)
|
|
BRANCH_TO_JMPTBL_ENTRY_TAIL(L(table_48bytes_fwd), %ecx, 4)
|
|
|
|
cfi_restore_state
|
|
cfi_remember_state
|
|
ALIGN (4)
|
|
L(shl_11):
|
|
BRANCH_TO_JMPTBL_ENTRY_VALUE(L(table_48bytes_fwd))
|
|
sub $11, %eax
|
|
movaps (%eax), %xmm1
|
|
xor %edi, %edi
|
|
sub $32, %ecx
|
|
movdqu %xmm0, (%esi)
|
|
POP (%esi)
|
|
L(shl_11_loop):
|
|
|
|
movdqa 16(%eax, %edi), %xmm2
|
|
sub $32, %ecx
|
|
movdqa 32(%eax, %edi), %xmm3
|
|
movdqa %xmm3, %xmm4
|
|
palignr $11, %xmm2, %xmm3
|
|
palignr $11, %xmm1, %xmm2
|
|
lea 32(%edi), %edi
|
|
movdqa %xmm2, -32(%edx, %edi)
|
|
movdqa %xmm3, -16(%edx, %edi)
|
|
|
|
jb L(shl_11_end)
|
|
|
|
movdqa 16(%eax, %edi), %xmm2
|
|
sub $32, %ecx
|
|
movdqa 32(%eax, %edi), %xmm3
|
|
movdqa %xmm3, %xmm1
|
|
palignr $11, %xmm2, %xmm3
|
|
palignr $11, %xmm4, %xmm2
|
|
lea 32(%edi), %edi
|
|
movdqa %xmm2, -32(%edx, %edi)
|
|
movdqa %xmm3, -16(%edx, %edi)
|
|
|
|
jae L(shl_11_loop)
|
|
|
|
L(shl_11_end):
|
|
add $32, %ecx
|
|
add %ecx, %edi
|
|
add %edi, %edx
|
|
lea 11(%edi, %eax), %eax
|
|
POP (%edi)
|
|
BRANCH_TO_JMPTBL_ENTRY_TAIL(L(table_48bytes_fwd), %ecx, 4)
|
|
|
|
cfi_restore_state
|
|
cfi_remember_state
|
|
ALIGN (4)
|
|
L(shl_12):
|
|
BRANCH_TO_JMPTBL_ENTRY_VALUE(L(table_48bytes_fwd))
|
|
sub $12, %eax
|
|
movaps (%eax), %xmm1
|
|
xor %edi, %edi
|
|
sub $32, %ecx
|
|
movdqu %xmm0, (%esi)
|
|
POP (%esi)
|
|
L(shl_12_loop):
|
|
|
|
movdqa 16(%eax, %edi), %xmm2
|
|
sub $32, %ecx
|
|
movdqa 32(%eax, %edi), %xmm3
|
|
movdqa %xmm3, %xmm4
|
|
palignr $12, %xmm2, %xmm3
|
|
palignr $12, %xmm1, %xmm2
|
|
lea 32(%edi), %edi
|
|
movdqa %xmm2, -32(%edx, %edi)
|
|
movdqa %xmm3, -16(%edx, %edi)
|
|
|
|
jb L(shl_12_end)
|
|
|
|
movdqa 16(%eax, %edi), %xmm2
|
|
sub $32, %ecx
|
|
movdqa 32(%eax, %edi), %xmm3
|
|
movdqa %xmm3, %xmm1
|
|
palignr $12, %xmm2, %xmm3
|
|
palignr $12, %xmm4, %xmm2
|
|
lea 32(%edi), %edi
|
|
movdqa %xmm2, -32(%edx, %edi)
|
|
movdqa %xmm3, -16(%edx, %edi)
|
|
|
|
jae L(shl_12_loop)
|
|
|
|
L(shl_12_end):
|
|
add $32, %ecx
|
|
add %ecx, %edi
|
|
add %edi, %edx
|
|
lea 12(%edi, %eax), %eax
|
|
POP (%edi)
|
|
BRANCH_TO_JMPTBL_ENTRY_TAIL(L(table_48bytes_fwd), %ecx, 4)
|
|
|
|
cfi_restore_state
|
|
cfi_remember_state
|
|
ALIGN (4)
|
|
L(shl_13):
|
|
BRANCH_TO_JMPTBL_ENTRY_VALUE(L(table_48bytes_fwd))
|
|
sub $13, %eax
|
|
movaps (%eax), %xmm1
|
|
xor %edi, %edi
|
|
sub $32, %ecx
|
|
movdqu %xmm0, (%esi)
|
|
POP (%esi)
|
|
L(shl_13_loop):
|
|
|
|
movdqa 16(%eax, %edi), %xmm2
|
|
sub $32, %ecx
|
|
movdqa 32(%eax, %edi), %xmm3
|
|
movdqa %xmm3, %xmm4
|
|
palignr $13, %xmm2, %xmm3
|
|
palignr $13, %xmm1, %xmm2
|
|
lea 32(%edi), %edi
|
|
movdqa %xmm2, -32(%edx, %edi)
|
|
movdqa %xmm3, -16(%edx, %edi)
|
|
|
|
jb L(shl_13_end)
|
|
|
|
movdqa 16(%eax, %edi), %xmm2
|
|
sub $32, %ecx
|
|
movdqa 32(%eax, %edi), %xmm3
|
|
movdqa %xmm3, %xmm1
|
|
palignr $13, %xmm2, %xmm3
|
|
palignr $13, %xmm4, %xmm2
|
|
lea 32(%edi), %edi
|
|
movdqa %xmm2, -32(%edx, %edi)
|
|
movdqa %xmm3, -16(%edx, %edi)
|
|
|
|
jae L(shl_13_loop)
|
|
|
|
L(shl_13_end):
|
|
add $32, %ecx
|
|
add %ecx, %edi
|
|
add %edi, %edx
|
|
lea 13(%edi, %eax), %eax
|
|
POP (%edi)
|
|
BRANCH_TO_JMPTBL_ENTRY_TAIL(L(table_48bytes_fwd), %ecx, 4)
|
|
|
|
cfi_restore_state
|
|
cfi_remember_state
|
|
ALIGN (4)
|
|
L(shl_14):
|
|
BRANCH_TO_JMPTBL_ENTRY_VALUE(L(table_48bytes_fwd))
|
|
sub $14, %eax
|
|
movaps (%eax), %xmm1
|
|
xor %edi, %edi
|
|
sub $32, %ecx
|
|
movdqu %xmm0, (%esi)
|
|
POP (%esi)
|
|
L(shl_14_loop):
|
|
|
|
movdqa 16(%eax, %edi), %xmm2
|
|
sub $32, %ecx
|
|
movdqa 32(%eax, %edi), %xmm3
|
|
movdqa %xmm3, %xmm4
|
|
palignr $14, %xmm2, %xmm3
|
|
palignr $14, %xmm1, %xmm2
|
|
lea 32(%edi), %edi
|
|
movdqa %xmm2, -32(%edx, %edi)
|
|
movdqa %xmm3, -16(%edx, %edi)
|
|
|
|
jb L(shl_14_end)
|
|
|
|
movdqa 16(%eax, %edi), %xmm2
|
|
sub $32, %ecx
|
|
movdqa 32(%eax, %edi), %xmm3
|
|
movdqa %xmm3, %xmm1
|
|
palignr $14, %xmm2, %xmm3
|
|
palignr $14, %xmm4, %xmm2
|
|
lea 32(%edi), %edi
|
|
movdqa %xmm2, -32(%edx, %edi)
|
|
movdqa %xmm3, -16(%edx, %edi)
|
|
|
|
jae L(shl_14_loop)
|
|
|
|
L(shl_14_end):
|
|
add $32, %ecx
|
|
add %ecx, %edi
|
|
add %edi, %edx
|
|
lea 14(%edi, %eax), %eax
|
|
POP (%edi)
|
|
BRANCH_TO_JMPTBL_ENTRY_TAIL(L(table_48bytes_fwd), %ecx, 4)
|
|
|
|
cfi_restore_state
|
|
cfi_remember_state
|
|
ALIGN (4)
|
|
L(shl_15):
|
|
BRANCH_TO_JMPTBL_ENTRY_VALUE(L(table_48bytes_fwd))
|
|
sub $15, %eax
|
|
movaps (%eax), %xmm1
|
|
xor %edi, %edi
|
|
sub $32, %ecx
|
|
movdqu %xmm0, (%esi)
|
|
POP (%esi)
|
|
L(shl_15_loop):
|
|
|
|
movdqa 16(%eax, %edi), %xmm2
|
|
sub $32, %ecx
|
|
movdqa 32(%eax, %edi), %xmm3
|
|
movdqa %xmm3, %xmm4
|
|
palignr $15, %xmm2, %xmm3
|
|
palignr $15, %xmm1, %xmm2
|
|
lea 32(%edi), %edi
|
|
movdqa %xmm2, -32(%edx, %edi)
|
|
movdqa %xmm3, -16(%edx, %edi)
|
|
|
|
jb L(shl_15_end)
|
|
|
|
movdqa 16(%eax, %edi), %xmm2
|
|
sub $32, %ecx
|
|
movdqa 32(%eax, %edi), %xmm3
|
|
movdqa %xmm3, %xmm1
|
|
palignr $15, %xmm2, %xmm3
|
|
palignr $15, %xmm4, %xmm2
|
|
lea 32(%edi), %edi
|
|
movdqa %xmm2, -32(%edx, %edi)
|
|
movdqa %xmm3, -16(%edx, %edi)
|
|
|
|
jae L(shl_15_loop)
|
|
|
|
L(shl_15_end):
|
|
add $32, %ecx
|
|
add %ecx, %edi
|
|
add %edi, %edx
|
|
lea 15(%edi, %eax), %eax
|
|
POP (%edi)
|
|
BRANCH_TO_JMPTBL_ENTRY_TAIL(L(table_48bytes_fwd), %ecx, 4)
|
|
|
|
|
|
ALIGN (4)
|
|
L(fwd_write_44bytes):
|
|
movl -44(%eax), %ecx
|
|
movl %ecx, -44(%edx)
|
|
L(fwd_write_40bytes):
|
|
movl -40(%eax), %ecx
|
|
movl %ecx, -40(%edx)
|
|
L(fwd_write_36bytes):
|
|
movl -36(%eax), %ecx
|
|
movl %ecx, -36(%edx)
|
|
L(fwd_write_32bytes):
|
|
movl -32(%eax), %ecx
|
|
movl %ecx, -32(%edx)
|
|
L(fwd_write_28bytes):
|
|
movl -28(%eax), %ecx
|
|
movl %ecx, -28(%edx)
|
|
L(fwd_write_24bytes):
|
|
movl -24(%eax), %ecx
|
|
movl %ecx, -24(%edx)
|
|
L(fwd_write_20bytes):
|
|
movl -20(%eax), %ecx
|
|
movl %ecx, -20(%edx)
|
|
L(fwd_write_16bytes):
|
|
movl -16(%eax), %ecx
|
|
movl %ecx, -16(%edx)
|
|
L(fwd_write_12bytes):
|
|
movl -12(%eax), %ecx
|
|
movl %ecx, -12(%edx)
|
|
L(fwd_write_8bytes):
|
|
movl -8(%eax), %ecx
|
|
movl %ecx, -8(%edx)
|
|
L(fwd_write_4bytes):
|
|
movl -4(%eax), %ecx
|
|
movl %ecx, -4(%edx)
|
|
L(fwd_write_0bytes):
|
|
#ifndef USE_AS_BCOPY
|
|
# ifdef USE_AS_MEMPCPY
|
|
movl %edx, %eax
|
|
# else
|
|
movl DEST(%esp), %eax
|
|
# endif
|
|
#endif
|
|
RETURN
|
|
|
|
ALIGN (4)
|
|
L(fwd_write_5bytes):
|
|
movl -5(%eax), %ecx
|
|
movl -4(%eax), %eax
|
|
movl %ecx, -5(%edx)
|
|
movl %eax, -4(%edx)
|
|
#ifndef USE_AS_BCOPY
|
|
# ifdef USE_AS_MEMPCPY
|
|
movl %edx, %eax
|
|
# else
|
|
movl DEST(%esp), %eax
|
|
# endif
|
|
#endif
|
|
RETURN
|
|
|
|
ALIGN (4)
|
|
L(fwd_write_45bytes):
|
|
movl -45(%eax), %ecx
|
|
movl %ecx, -45(%edx)
|
|
L(fwd_write_41bytes):
|
|
movl -41(%eax), %ecx
|
|
movl %ecx, -41(%edx)
|
|
L(fwd_write_37bytes):
|
|
movl -37(%eax), %ecx
|
|
movl %ecx, -37(%edx)
|
|
L(fwd_write_33bytes):
|
|
movl -33(%eax), %ecx
|
|
movl %ecx, -33(%edx)
|
|
L(fwd_write_29bytes):
|
|
movl -29(%eax), %ecx
|
|
movl %ecx, -29(%edx)
|
|
L(fwd_write_25bytes):
|
|
movl -25(%eax), %ecx
|
|
movl %ecx, -25(%edx)
|
|
L(fwd_write_21bytes):
|
|
movl -21(%eax), %ecx
|
|
movl %ecx, -21(%edx)
|
|
L(fwd_write_17bytes):
|
|
movl -17(%eax), %ecx
|
|
movl %ecx, -17(%edx)
|
|
L(fwd_write_13bytes):
|
|
movl -13(%eax), %ecx
|
|
movl %ecx, -13(%edx)
|
|
L(fwd_write_9bytes):
|
|
movl -9(%eax), %ecx
|
|
movl %ecx, -9(%edx)
|
|
movl -5(%eax), %ecx
|
|
movl %ecx, -5(%edx)
|
|
L(fwd_write_1bytes):
|
|
movzbl -1(%eax), %ecx
|
|
movb %cl, -1(%edx)
|
|
#ifndef USE_AS_BCOPY
|
|
# ifdef USE_AS_MEMPCPY
|
|
movl %edx, %eax
|
|
# else
|
|
movl DEST(%esp), %eax
|
|
# endif
|
|
#endif
|
|
RETURN
|
|
|
|
ALIGN (4)
|
|
L(fwd_write_46bytes):
|
|
movl -46(%eax), %ecx
|
|
movl %ecx, -46(%edx)
|
|
L(fwd_write_42bytes):
|
|
movl -42(%eax), %ecx
|
|
movl %ecx, -42(%edx)
|
|
L(fwd_write_38bytes):
|
|
movl -38(%eax), %ecx
|
|
movl %ecx, -38(%edx)
|
|
L(fwd_write_34bytes):
|
|
movl -34(%eax), %ecx
|
|
movl %ecx, -34(%edx)
|
|
L(fwd_write_30bytes):
|
|
movl -30(%eax), %ecx
|
|
movl %ecx, -30(%edx)
|
|
L(fwd_write_26bytes):
|
|
movl -26(%eax), %ecx
|
|
movl %ecx, -26(%edx)
|
|
L(fwd_write_22bytes):
|
|
movl -22(%eax), %ecx
|
|
movl %ecx, -22(%edx)
|
|
L(fwd_write_18bytes):
|
|
movl -18(%eax), %ecx
|
|
movl %ecx, -18(%edx)
|
|
L(fwd_write_14bytes):
|
|
movl -14(%eax), %ecx
|
|
movl %ecx, -14(%edx)
|
|
L(fwd_write_10bytes):
|
|
movl -10(%eax), %ecx
|
|
movl %ecx, -10(%edx)
|
|
L(fwd_write_6bytes):
|
|
movl -6(%eax), %ecx
|
|
movl %ecx, -6(%edx)
|
|
L(fwd_write_2bytes):
|
|
movzwl -2(%eax), %ecx
|
|
movw %cx, -2(%edx)
|
|
#ifndef USE_AS_BCOPY
|
|
# ifdef USE_AS_MEMPCPY
|
|
movl %edx, %eax
|
|
# else
|
|
movl DEST(%esp), %eax
|
|
# endif
|
|
#endif
|
|
RETURN
|
|
|
|
ALIGN (4)
|
|
L(fwd_write_47bytes):
|
|
movl -47(%eax), %ecx
|
|
movl %ecx, -47(%edx)
|
|
L(fwd_write_43bytes):
|
|
movl -43(%eax), %ecx
|
|
movl %ecx, -43(%edx)
|
|
L(fwd_write_39bytes):
|
|
movl -39(%eax), %ecx
|
|
movl %ecx, -39(%edx)
|
|
L(fwd_write_35bytes):
|
|
movl -35(%eax), %ecx
|
|
movl %ecx, -35(%edx)
|
|
L(fwd_write_31bytes):
|
|
movl -31(%eax), %ecx
|
|
movl %ecx, -31(%edx)
|
|
L(fwd_write_27bytes):
|
|
movl -27(%eax), %ecx
|
|
movl %ecx, -27(%edx)
|
|
L(fwd_write_23bytes):
|
|
movl -23(%eax), %ecx
|
|
movl %ecx, -23(%edx)
|
|
L(fwd_write_19bytes):
|
|
movl -19(%eax), %ecx
|
|
movl %ecx, -19(%edx)
|
|
L(fwd_write_15bytes):
|
|
movl -15(%eax), %ecx
|
|
movl %ecx, -15(%edx)
|
|
L(fwd_write_11bytes):
|
|
movl -11(%eax), %ecx
|
|
movl %ecx, -11(%edx)
|
|
L(fwd_write_7bytes):
|
|
movl -7(%eax), %ecx
|
|
movl %ecx, -7(%edx)
|
|
L(fwd_write_3bytes):
|
|
movzwl -3(%eax), %ecx
|
|
movzbl -1(%eax), %eax
|
|
movw %cx, -3(%edx)
|
|
movb %al, -1(%edx)
|
|
#ifndef USE_AS_BCOPY
|
|
# ifdef USE_AS_MEMPCPY
|
|
movl %edx, %eax
|
|
# else
|
|
movl DEST(%esp), %eax
|
|
# endif
|
|
#endif
|
|
RETURN_END
|
|
|
|
cfi_restore_state
|
|
cfi_remember_state
|
|
ALIGN (4)
|
|
L(large_page):
|
|
movdqu (%eax), %xmm1
|
|
movdqu %xmm0, (%esi)
|
|
movntdq %xmm1, (%edx)
|
|
add $0x10, %eax
|
|
add $0x10, %edx
|
|
sub $0x10, %ecx
|
|
cmp %al, %dl
|
|
je L(copy_page_by_rep)
|
|
L(large_page_loop_init):
|
|
POP (%esi)
|
|
sub $0x80, %ecx
|
|
POP (%edi)
|
|
L(large_page_loop):
|
|
prefetchnta 0x1c0(%eax)
|
|
prefetchnta 0x280(%eax)
|
|
movdqu (%eax), %xmm0
|
|
movdqu 0x10(%eax), %xmm1
|
|
movdqu 0x20(%eax), %xmm2
|
|
movdqu 0x30(%eax), %xmm3
|
|
movdqu 0x40(%eax), %xmm4
|
|
movdqu 0x50(%eax), %xmm5
|
|
movdqu 0x60(%eax), %xmm6
|
|
movdqu 0x70(%eax), %xmm7
|
|
lea 0x80(%eax), %eax
|
|
lfence
|
|
sub $0x80, %ecx
|
|
movntdq %xmm0, (%edx)
|
|
movntdq %xmm1, 0x10(%edx)
|
|
movntdq %xmm2, 0x20(%edx)
|
|
movntdq %xmm3, 0x30(%edx)
|
|
movntdq %xmm4, 0x40(%edx)
|
|
movntdq %xmm5, 0x50(%edx)
|
|
movntdq %xmm6, 0x60(%edx)
|
|
movntdq %xmm7, 0x70(%edx)
|
|
lea 0x80(%edx), %edx
|
|
jae L(large_page_loop)
|
|
add $0x80, %ecx
|
|
cmp $0x40, %ecx
|
|
jb L(large_page_less_64bytes)
|
|
|
|
movdqu (%eax), %xmm0
|
|
movdqu 0x10(%eax), %xmm1
|
|
movdqu 0x20(%eax), %xmm2
|
|
movdqu 0x30(%eax), %xmm3
|
|
lea 0x40(%eax), %eax
|
|
|
|
movntdq %xmm0, (%edx)
|
|
movntdq %xmm1, 0x10(%edx)
|
|
movntdq %xmm2, 0x20(%edx)
|
|
movntdq %xmm3, 0x30(%edx)
|
|
lea 0x40(%edx), %edx
|
|
sub $0x40, %ecx
|
|
L(large_page_less_64bytes):
|
|
cmp $32, %ecx
|
|
jb L(large_page_less_32bytes)
|
|
movdqu (%eax), %xmm0
|
|
movdqu 0x10(%eax), %xmm1
|
|
lea 0x20(%eax), %eax
|
|
movntdq %xmm0, (%edx)
|
|
movntdq %xmm1, 0x10(%edx)
|
|
lea 0x20(%edx), %edx
|
|
sub $0x20, %ecx
|
|
L(large_page_less_32bytes):
|
|
add %ecx, %edx
|
|
add %ecx, %eax
|
|
sfence
|
|
BRANCH_TO_JMPTBL_ENTRY (L(table_48bytes_fwd), %ecx, 4)
|
|
|
|
cfi_restore_state
|
|
cfi_remember_state
|
|
ALIGN (4)
|
|
L(copy_page_by_rep):
|
|
mov %eax, %esi
|
|
mov %edx, %edi
|
|
mov %ecx, %edx
|
|
shr $2, %ecx
|
|
and $3, %edx
|
|
rep movsl
|
|
jz L(copy_page_by_rep_exit)
|
|
cmp $2, %edx
|
|
jb L(copy_page_by_rep_left_1)
|
|
movzwl (%esi), %eax
|
|
movw %ax, (%edi)
|
|
add $2, %esi
|
|
add $2, %edi
|
|
sub $2, %edx
|
|
jz L(copy_page_by_rep_exit)
|
|
L(copy_page_by_rep_left_1):
|
|
movzbl (%esi), %eax
|
|
movb %al, (%edi)
|
|
L(copy_page_by_rep_exit):
|
|
POP (%esi)
|
|
POP (%edi)
|
|
#ifndef USE_AS_BCOPY
|
|
movl DEST(%esp), %eax
|
|
# ifdef USE_AS_MEMPCPY
|
|
movl LEN(%esp), %ecx
|
|
add %ecx, %eax
|
|
# endif
|
|
#endif
|
|
RETURN
|
|
|
|
ALIGN (4)
|
|
L(bk_write_44bytes):
|
|
movl 40(%eax), %ecx
|
|
movl %ecx, 40(%edx)
|
|
L(bk_write_40bytes):
|
|
movl 36(%eax), %ecx
|
|
movl %ecx, 36(%edx)
|
|
L(bk_write_36bytes):
|
|
movl 32(%eax), %ecx
|
|
movl %ecx, 32(%edx)
|
|
L(bk_write_32bytes):
|
|
movl 28(%eax), %ecx
|
|
movl %ecx, 28(%edx)
|
|
L(bk_write_28bytes):
|
|
movl 24(%eax), %ecx
|
|
movl %ecx, 24(%edx)
|
|
L(bk_write_24bytes):
|
|
movl 20(%eax), %ecx
|
|
movl %ecx, 20(%edx)
|
|
L(bk_write_20bytes):
|
|
movl 16(%eax), %ecx
|
|
movl %ecx, 16(%edx)
|
|
L(bk_write_16bytes):
|
|
movl 12(%eax), %ecx
|
|
movl %ecx, 12(%edx)
|
|
L(bk_write_12bytes):
|
|
movl 8(%eax), %ecx
|
|
movl %ecx, 8(%edx)
|
|
L(bk_write_8bytes):
|
|
movl 4(%eax), %ecx
|
|
movl %ecx, 4(%edx)
|
|
L(bk_write_4bytes):
|
|
movl (%eax), %ecx
|
|
movl %ecx, (%edx)
|
|
L(bk_write_0bytes):
|
|
#ifndef USE_AS_BCOPY
|
|
movl DEST(%esp), %eax
|
|
# ifdef USE_AS_MEMPCPY
|
|
movl LEN(%esp), %ecx
|
|
add %ecx, %eax
|
|
# endif
|
|
#endif
|
|
RETURN
|
|
|
|
ALIGN (4)
|
|
L(bk_write_45bytes):
|
|
movl 41(%eax), %ecx
|
|
movl %ecx, 41(%edx)
|
|
L(bk_write_41bytes):
|
|
movl 37(%eax), %ecx
|
|
movl %ecx, 37(%edx)
|
|
L(bk_write_37bytes):
|
|
movl 33(%eax), %ecx
|
|
movl %ecx, 33(%edx)
|
|
L(bk_write_33bytes):
|
|
movl 29(%eax), %ecx
|
|
movl %ecx, 29(%edx)
|
|
L(bk_write_29bytes):
|
|
movl 25(%eax), %ecx
|
|
movl %ecx, 25(%edx)
|
|
L(bk_write_25bytes):
|
|
movl 21(%eax), %ecx
|
|
movl %ecx, 21(%edx)
|
|
L(bk_write_21bytes):
|
|
movl 17(%eax), %ecx
|
|
movl %ecx, 17(%edx)
|
|
L(bk_write_17bytes):
|
|
movl 13(%eax), %ecx
|
|
movl %ecx, 13(%edx)
|
|
L(bk_write_13bytes):
|
|
movl 9(%eax), %ecx
|
|
movl %ecx, 9(%edx)
|
|
L(bk_write_9bytes):
|
|
movl 5(%eax), %ecx
|
|
movl %ecx, 5(%edx)
|
|
L(bk_write_5bytes):
|
|
movl 1(%eax), %ecx
|
|
movl %ecx, 1(%edx)
|
|
L(bk_write_1bytes):
|
|
movzbl (%eax), %ecx
|
|
movb %cl, (%edx)
|
|
#ifndef USE_AS_BCOPY
|
|
movl DEST(%esp), %eax
|
|
# ifdef USE_AS_MEMPCPY
|
|
movl LEN(%esp), %ecx
|
|
add %ecx, %eax
|
|
# endif
|
|
#endif
|
|
RETURN
|
|
|
|
ALIGN (4)
|
|
L(bk_write_46bytes):
|
|
movl 42(%eax), %ecx
|
|
movl %ecx, 42(%edx)
|
|
L(bk_write_42bytes):
|
|
movl 38(%eax), %ecx
|
|
movl %ecx, 38(%edx)
|
|
L(bk_write_38bytes):
|
|
movl 34(%eax), %ecx
|
|
movl %ecx, 34(%edx)
|
|
L(bk_write_34bytes):
|
|
movl 30(%eax), %ecx
|
|
movl %ecx, 30(%edx)
|
|
L(bk_write_30bytes):
|
|
movl 26(%eax), %ecx
|
|
movl %ecx, 26(%edx)
|
|
L(bk_write_26bytes):
|
|
movl 22(%eax), %ecx
|
|
movl %ecx, 22(%edx)
|
|
L(bk_write_22bytes):
|
|
movl 18(%eax), %ecx
|
|
movl %ecx, 18(%edx)
|
|
L(bk_write_18bytes):
|
|
movl 14(%eax), %ecx
|
|
movl %ecx, 14(%edx)
|
|
L(bk_write_14bytes):
|
|
movl 10(%eax), %ecx
|
|
movl %ecx, 10(%edx)
|
|
L(bk_write_10bytes):
|
|
movl 6(%eax), %ecx
|
|
movl %ecx, 6(%edx)
|
|
L(bk_write_6bytes):
|
|
movl 2(%eax), %ecx
|
|
movl %ecx, 2(%edx)
|
|
L(bk_write_2bytes):
|
|
movzwl (%eax), %ecx
|
|
movw %cx, (%edx)
|
|
#ifndef USE_AS_BCOPY
|
|
movl DEST(%esp), %eax
|
|
# ifdef USE_AS_MEMPCPY
|
|
movl LEN(%esp), %ecx
|
|
add %ecx, %eax
|
|
# endif
|
|
#endif
|
|
RETURN
|
|
|
|
ALIGN (4)
|
|
L(bk_write_47bytes):
|
|
movl 43(%eax), %ecx
|
|
movl %ecx, 43(%edx)
|
|
L(bk_write_43bytes):
|
|
movl 39(%eax), %ecx
|
|
movl %ecx, 39(%edx)
|
|
L(bk_write_39bytes):
|
|
movl 35(%eax), %ecx
|
|
movl %ecx, 35(%edx)
|
|
L(bk_write_35bytes):
|
|
movl 31(%eax), %ecx
|
|
movl %ecx, 31(%edx)
|
|
L(bk_write_31bytes):
|
|
movl 27(%eax), %ecx
|
|
movl %ecx, 27(%edx)
|
|
L(bk_write_27bytes):
|
|
movl 23(%eax), %ecx
|
|
movl %ecx, 23(%edx)
|
|
L(bk_write_23bytes):
|
|
movl 19(%eax), %ecx
|
|
movl %ecx, 19(%edx)
|
|
L(bk_write_19bytes):
|
|
movl 15(%eax), %ecx
|
|
movl %ecx, 15(%edx)
|
|
L(bk_write_15bytes):
|
|
movl 11(%eax), %ecx
|
|
movl %ecx, 11(%edx)
|
|
L(bk_write_11bytes):
|
|
movl 7(%eax), %ecx
|
|
movl %ecx, 7(%edx)
|
|
L(bk_write_7bytes):
|
|
movl 3(%eax), %ecx
|
|
movl %ecx, 3(%edx)
|
|
L(bk_write_3bytes):
|
|
movzwl 1(%eax), %ecx
|
|
movw %cx, 1(%edx)
|
|
movzbl (%eax), %eax
|
|
movb %al, (%edx)
|
|
#ifndef USE_AS_BCOPY
|
|
movl DEST(%esp), %eax
|
|
# ifdef USE_AS_MEMPCPY
|
|
movl LEN(%esp), %ecx
|
|
add %ecx, %eax
|
|
# endif
|
|
#endif
|
|
RETURN_END
|
|
|
|
|
|
.pushsection .rodata.ssse3,"a",@progbits
|
|
ALIGN (2)
|
|
L(table_48bytes_fwd):
|
|
.int JMPTBL (L(fwd_write_0bytes), L(table_48bytes_fwd))
|
|
.int JMPTBL (L(fwd_write_1bytes), L(table_48bytes_fwd))
|
|
.int JMPTBL (L(fwd_write_2bytes), L(table_48bytes_fwd))
|
|
.int JMPTBL (L(fwd_write_3bytes), L(table_48bytes_fwd))
|
|
.int JMPTBL (L(fwd_write_4bytes), L(table_48bytes_fwd))
|
|
.int JMPTBL (L(fwd_write_5bytes), L(table_48bytes_fwd))
|
|
.int JMPTBL (L(fwd_write_6bytes), L(table_48bytes_fwd))
|
|
.int JMPTBL (L(fwd_write_7bytes), L(table_48bytes_fwd))
|
|
.int JMPTBL (L(fwd_write_8bytes), L(table_48bytes_fwd))
|
|
.int JMPTBL (L(fwd_write_9bytes), L(table_48bytes_fwd))
|
|
.int JMPTBL (L(fwd_write_10bytes), L(table_48bytes_fwd))
|
|
.int JMPTBL (L(fwd_write_11bytes), L(table_48bytes_fwd))
|
|
.int JMPTBL (L(fwd_write_12bytes), L(table_48bytes_fwd))
|
|
.int JMPTBL (L(fwd_write_13bytes), L(table_48bytes_fwd))
|
|
.int JMPTBL (L(fwd_write_14bytes), L(table_48bytes_fwd))
|
|
.int JMPTBL (L(fwd_write_15bytes), L(table_48bytes_fwd))
|
|
.int JMPTBL (L(fwd_write_16bytes), L(table_48bytes_fwd))
|
|
.int JMPTBL (L(fwd_write_17bytes), L(table_48bytes_fwd))
|
|
.int JMPTBL (L(fwd_write_18bytes), L(table_48bytes_fwd))
|
|
.int JMPTBL (L(fwd_write_19bytes), L(table_48bytes_fwd))
|
|
.int JMPTBL (L(fwd_write_20bytes), L(table_48bytes_fwd))
|
|
.int JMPTBL (L(fwd_write_21bytes), L(table_48bytes_fwd))
|
|
.int JMPTBL (L(fwd_write_22bytes), L(table_48bytes_fwd))
|
|
.int JMPTBL (L(fwd_write_23bytes), L(table_48bytes_fwd))
|
|
.int JMPTBL (L(fwd_write_24bytes), L(table_48bytes_fwd))
|
|
.int JMPTBL (L(fwd_write_25bytes), L(table_48bytes_fwd))
|
|
.int JMPTBL (L(fwd_write_26bytes), L(table_48bytes_fwd))
|
|
.int JMPTBL (L(fwd_write_27bytes), L(table_48bytes_fwd))
|
|
.int JMPTBL (L(fwd_write_28bytes), L(table_48bytes_fwd))
|
|
.int JMPTBL (L(fwd_write_29bytes), L(table_48bytes_fwd))
|
|
.int JMPTBL (L(fwd_write_30bytes), L(table_48bytes_fwd))
|
|
.int JMPTBL (L(fwd_write_31bytes), L(table_48bytes_fwd))
|
|
.int JMPTBL (L(fwd_write_32bytes), L(table_48bytes_fwd))
|
|
.int JMPTBL (L(fwd_write_33bytes), L(table_48bytes_fwd))
|
|
.int JMPTBL (L(fwd_write_34bytes), L(table_48bytes_fwd))
|
|
.int JMPTBL (L(fwd_write_35bytes), L(table_48bytes_fwd))
|
|
.int JMPTBL (L(fwd_write_36bytes), L(table_48bytes_fwd))
|
|
.int JMPTBL (L(fwd_write_37bytes), L(table_48bytes_fwd))
|
|
.int JMPTBL (L(fwd_write_38bytes), L(table_48bytes_fwd))
|
|
.int JMPTBL (L(fwd_write_39bytes), L(table_48bytes_fwd))
|
|
.int JMPTBL (L(fwd_write_40bytes), L(table_48bytes_fwd))
|
|
.int JMPTBL (L(fwd_write_41bytes), L(table_48bytes_fwd))
|
|
.int JMPTBL (L(fwd_write_42bytes), L(table_48bytes_fwd))
|
|
.int JMPTBL (L(fwd_write_43bytes), L(table_48bytes_fwd))
|
|
.int JMPTBL (L(fwd_write_44bytes), L(table_48bytes_fwd))
|
|
.int JMPTBL (L(fwd_write_45bytes), L(table_48bytes_fwd))
|
|
.int JMPTBL (L(fwd_write_46bytes), L(table_48bytes_fwd))
|
|
.int JMPTBL (L(fwd_write_47bytes), L(table_48bytes_fwd))
|
|
|
|
ALIGN (2)
|
|
L(shl_table):
|
|
.int JMPTBL (L(shl_0), L(shl_table))
|
|
.int JMPTBL (L(shl_1), L(shl_table))
|
|
.int JMPTBL (L(shl_2), L(shl_table))
|
|
.int JMPTBL (L(shl_3), L(shl_table))
|
|
.int JMPTBL (L(shl_4), L(shl_table))
|
|
.int JMPTBL (L(shl_5), L(shl_table))
|
|
.int JMPTBL (L(shl_6), L(shl_table))
|
|
.int JMPTBL (L(shl_7), L(shl_table))
|
|
.int JMPTBL (L(shl_8), L(shl_table))
|
|
.int JMPTBL (L(shl_9), L(shl_table))
|
|
.int JMPTBL (L(shl_10), L(shl_table))
|
|
.int JMPTBL (L(shl_11), L(shl_table))
|
|
.int JMPTBL (L(shl_12), L(shl_table))
|
|
.int JMPTBL (L(shl_13), L(shl_table))
|
|
.int JMPTBL (L(shl_14), L(shl_table))
|
|
.int JMPTBL (L(shl_15), L(shl_table))
|
|
|
|
ALIGN (2)
|
|
L(table_48_bytes_bwd):
|
|
.int JMPTBL (L(bk_write_0bytes), L(table_48_bytes_bwd))
|
|
.int JMPTBL (L(bk_write_1bytes), L(table_48_bytes_bwd))
|
|
.int JMPTBL (L(bk_write_2bytes), L(table_48_bytes_bwd))
|
|
.int JMPTBL (L(bk_write_3bytes), L(table_48_bytes_bwd))
|
|
.int JMPTBL (L(bk_write_4bytes), L(table_48_bytes_bwd))
|
|
.int JMPTBL (L(bk_write_5bytes), L(table_48_bytes_bwd))
|
|
.int JMPTBL (L(bk_write_6bytes), L(table_48_bytes_bwd))
|
|
.int JMPTBL (L(bk_write_7bytes), L(table_48_bytes_bwd))
|
|
.int JMPTBL (L(bk_write_8bytes), L(table_48_bytes_bwd))
|
|
.int JMPTBL (L(bk_write_9bytes), L(table_48_bytes_bwd))
|
|
.int JMPTBL (L(bk_write_10bytes), L(table_48_bytes_bwd))
|
|
.int JMPTBL (L(bk_write_11bytes), L(table_48_bytes_bwd))
|
|
.int JMPTBL (L(bk_write_12bytes), L(table_48_bytes_bwd))
|
|
.int JMPTBL (L(bk_write_13bytes), L(table_48_bytes_bwd))
|
|
.int JMPTBL (L(bk_write_14bytes), L(table_48_bytes_bwd))
|
|
.int JMPTBL (L(bk_write_15bytes), L(table_48_bytes_bwd))
|
|
.int JMPTBL (L(bk_write_16bytes), L(table_48_bytes_bwd))
|
|
.int JMPTBL (L(bk_write_17bytes), L(table_48_bytes_bwd))
|
|
.int JMPTBL (L(bk_write_18bytes), L(table_48_bytes_bwd))
|
|
.int JMPTBL (L(bk_write_19bytes), L(table_48_bytes_bwd))
|
|
.int JMPTBL (L(bk_write_20bytes), L(table_48_bytes_bwd))
|
|
.int JMPTBL (L(bk_write_21bytes), L(table_48_bytes_bwd))
|
|
.int JMPTBL (L(bk_write_22bytes), L(table_48_bytes_bwd))
|
|
.int JMPTBL (L(bk_write_23bytes), L(table_48_bytes_bwd))
|
|
.int JMPTBL (L(bk_write_24bytes), L(table_48_bytes_bwd))
|
|
.int JMPTBL (L(bk_write_25bytes), L(table_48_bytes_bwd))
|
|
.int JMPTBL (L(bk_write_26bytes), L(table_48_bytes_bwd))
|
|
.int JMPTBL (L(bk_write_27bytes), L(table_48_bytes_bwd))
|
|
.int JMPTBL (L(bk_write_28bytes), L(table_48_bytes_bwd))
|
|
.int JMPTBL (L(bk_write_29bytes), L(table_48_bytes_bwd))
|
|
.int JMPTBL (L(bk_write_30bytes), L(table_48_bytes_bwd))
|
|
.int JMPTBL (L(bk_write_31bytes), L(table_48_bytes_bwd))
|
|
.int JMPTBL (L(bk_write_32bytes), L(table_48_bytes_bwd))
|
|
.int JMPTBL (L(bk_write_33bytes), L(table_48_bytes_bwd))
|
|
.int JMPTBL (L(bk_write_34bytes), L(table_48_bytes_bwd))
|
|
.int JMPTBL (L(bk_write_35bytes), L(table_48_bytes_bwd))
|
|
.int JMPTBL (L(bk_write_36bytes), L(table_48_bytes_bwd))
|
|
.int JMPTBL (L(bk_write_37bytes), L(table_48_bytes_bwd))
|
|
.int JMPTBL (L(bk_write_38bytes), L(table_48_bytes_bwd))
|
|
.int JMPTBL (L(bk_write_39bytes), L(table_48_bytes_bwd))
|
|
.int JMPTBL (L(bk_write_40bytes), L(table_48_bytes_bwd))
|
|
.int JMPTBL (L(bk_write_41bytes), L(table_48_bytes_bwd))
|
|
.int JMPTBL (L(bk_write_42bytes), L(table_48_bytes_bwd))
|
|
.int JMPTBL (L(bk_write_43bytes), L(table_48_bytes_bwd))
|
|
.int JMPTBL (L(bk_write_44bytes), L(table_48_bytes_bwd))
|
|
.int JMPTBL (L(bk_write_45bytes), L(table_48_bytes_bwd))
|
|
.int JMPTBL (L(bk_write_46bytes), L(table_48_bytes_bwd))
|
|
.int JMPTBL (L(bk_write_47bytes), L(table_48_bytes_bwd))
|
|
|
|
.popsection
|
|
|
|
#ifdef USE_AS_MEMMOVE
|
|
ALIGN (4)
|
|
L(copy_backward):
|
|
PUSH (%esi)
|
|
movl %eax, %esi
|
|
add %ecx, %edx
|
|
add %ecx, %esi
|
|
testl $0x3, %edx
|
|
jnz L(bk_align)
|
|
|
|
L(bk_aligned_4):
|
|
cmp $64, %ecx
|
|
jae L(bk_write_more64bytes)
|
|
|
|
L(bk_write_64bytesless):
|
|
cmp $32, %ecx
|
|
jb L(bk_write_less32bytes)
|
|
|
|
L(bk_write_more32bytes):
|
|
/* Copy 32 bytes at a time. */
|
|
sub $32, %ecx
|
|
movl -4(%esi), %eax
|
|
movl %eax, -4(%edx)
|
|
movl -8(%esi), %eax
|
|
movl %eax, -8(%edx)
|
|
movl -12(%esi), %eax
|
|
movl %eax, -12(%edx)
|
|
movl -16(%esi), %eax
|
|
movl %eax, -16(%edx)
|
|
movl -20(%esi), %eax
|
|
movl %eax, -20(%edx)
|
|
movl -24(%esi), %eax
|
|
movl %eax, -24(%edx)
|
|
movl -28(%esi), %eax
|
|
movl %eax, -28(%edx)
|
|
movl -32(%esi), %eax
|
|
movl %eax, -32(%edx)
|
|
sub $32, %edx
|
|
sub $32, %esi
|
|
|
|
L(bk_write_less32bytes):
|
|
movl %esi, %eax
|
|
sub %ecx, %edx
|
|
sub %ecx, %eax
|
|
POP (%esi)
|
|
L(bk_write_less48bytes):
|
|
BRANCH_TO_JMPTBL_ENTRY (L(table_48_bytes_bwd), %ecx, 4)
|
|
|
|
CFI_PUSH (%esi)
|
|
ALIGN (4)
|
|
L(bk_align):
|
|
cmp $8, %ecx
|
|
jbe L(bk_write_less32bytes)
|
|
testl $1, %edx
|
|
/* We get here only if (EDX & 3 ) != 0 so if (EDX & 1) ==0,
|
|
then (EDX & 2) must be != 0. */
|
|
jz L(bk_got2)
|
|
sub $1, %esi
|
|
sub $1, %ecx
|
|
sub $1, %edx
|
|
movzbl (%esi), %eax
|
|
movb %al, (%edx)
|
|
|
|
testl $2, %edx
|
|
jz L(bk_aligned_4)
|
|
|
|
L(bk_got2):
|
|
sub $2, %esi
|
|
sub $2, %ecx
|
|
sub $2, %edx
|
|
movzwl (%esi), %eax
|
|
movw %ax, (%edx)
|
|
jmp L(bk_aligned_4)
|
|
|
|
ALIGN (4)
|
|
L(bk_write_more64bytes):
|
|
/* Check alignment of last byte. */
|
|
testl $15, %edx
|
|
jz L(bk_ssse3_cpy_pre)
|
|
|
|
/* EDX is aligned 4 bytes, but not 16 bytes. */
|
|
L(bk_ssse3_align):
|
|
sub $4, %esi
|
|
sub $4, %ecx
|
|
sub $4, %edx
|
|
movl (%esi), %eax
|
|
movl %eax, (%edx)
|
|
|
|
testl $15, %edx
|
|
jz L(bk_ssse3_cpy_pre)
|
|
|
|
sub $4, %esi
|
|
sub $4, %ecx
|
|
sub $4, %edx
|
|
movl (%esi), %eax
|
|
movl %eax, (%edx)
|
|
|
|
testl $15, %edx
|
|
jz L(bk_ssse3_cpy_pre)
|
|
|
|
sub $4, %esi
|
|
sub $4, %ecx
|
|
sub $4, %edx
|
|
movl (%esi), %eax
|
|
movl %eax, (%edx)
|
|
|
|
L(bk_ssse3_cpy_pre):
|
|
cmp $64, %ecx
|
|
jb L(bk_write_more32bytes)
|
|
|
|
L(bk_ssse3_cpy):
|
|
sub $64, %esi
|
|
sub $64, %ecx
|
|
sub $64, %edx
|
|
movdqu 0x30(%esi), %xmm3
|
|
movdqa %xmm3, 0x30(%edx)
|
|
movdqu 0x20(%esi), %xmm2
|
|
movdqa %xmm2, 0x20(%edx)
|
|
movdqu 0x10(%esi), %xmm1
|
|
movdqa %xmm1, 0x10(%edx)
|
|
movdqu (%esi), %xmm0
|
|
movdqa %xmm0, (%edx)
|
|
cmp $64, %ecx
|
|
jae L(bk_ssse3_cpy)
|
|
jmp L(bk_write_64bytesless)
|
|
|
|
#endif
|
|
|
|
END (MEMCPY)
|
|
|
|
#endif
|