strcat-evex \
strcat-sse2 \
strcat-sse2-unaligned \
- strcat-ssse3 \
strchr-avx2 \
strchr-avx2-rtm \
strchr-evex \
strncat-c \
strncat-evex \
strncat-sse2-unaligned \
- strncat-ssse3 \
strncmp-avx2 \
strncmp-avx2-rtm \
strncmp-evex \
(CPU_FEATURE_USABLE (AVX512VL)
&& CPU_FEATURE_USABLE (AVX512BW)),
__strcat_evex)
- IFUNC_IMPL_ADD (array, i, strcat, CPU_FEATURE_USABLE (SSSE3),
- __strcat_ssse3)
IFUNC_IMPL_ADD (array, i, strcat, 1, __strcat_sse2_unaligned)
IFUNC_IMPL_ADD (array, i, strcat, 1, __strcat_sse2))
(CPU_FEATURE_USABLE (AVX512VL)
&& CPU_FEATURE_USABLE (AVX512BW)),
__strncat_evex)
- IFUNC_IMPL_ADD (array, i, strncat, CPU_FEATURE_USABLE (SSSE3),
- __strncat_ssse3)
IFUNC_IMPL_ADD (array, i, strncat, 1,
__strncat_sse2_unaligned)
IFUNC_IMPL_ADD (array, i, strncat, 1, __strncat_sse2))
extern __typeof (REDIRECT_NAME) OPTIMIZE (sse2) attribute_hidden;
extern __typeof (REDIRECT_NAME) OPTIMIZE (sse2_unaligned)
attribute_hidden;
-extern __typeof (REDIRECT_NAME) OPTIMIZE (ssse3) attribute_hidden;
extern __typeof (REDIRECT_NAME) OPTIMIZE (avx2) attribute_hidden;
extern __typeof (REDIRECT_NAME) OPTIMIZE (avx2_rtm) attribute_hidden;
extern __typeof (REDIRECT_NAME) OPTIMIZE (evex) attribute_hidden;
if (CPU_FEATURES_ARCH_P (cpu_features, Fast_Unaligned_Load))
return OPTIMIZE (sse2_unaligned);
- if (CPU_FEATURE_USABLE_P (cpu_features, SSSE3))
- return OPTIMIZE (ssse3);
-
return OPTIMIZE (sse2);
}
+++ /dev/null
-/* strcat with SSSE3
- Copyright (C) 2011-2022 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
- <https://www.gnu.org/licenses/>. */
-
-#if IS_IN (libc)
-
-# include <sysdep.h>
-
-# ifndef STRCAT
-# define STRCAT __strcat_ssse3
-# endif
-
-# define USE_AS_STRCAT
-
-.text
-ENTRY (STRCAT)
-# ifdef USE_AS_STRNCAT
- mov %rdx, %r8
-# endif
-
-
-/* Inline corresponding strlen file, temporary until new strcpy
- implementation gets merged. */
-
- xor %eax, %eax
- cmpb $0, (%rdi)
- jz L(exit_tail0)
- cmpb $0, 1(%rdi)
- jz L(exit_tail1)
- cmpb $0, 2(%rdi)
- jz L(exit_tail2)
- cmpb $0, 3(%rdi)
- jz L(exit_tail3)
-
- cmpb $0, 4(%rdi)
- jz L(exit_tail4)
- cmpb $0, 5(%rdi)
- jz L(exit_tail5)
- cmpb $0, 6(%rdi)
- jz L(exit_tail6)
- cmpb $0, 7(%rdi)
- jz L(exit_tail7)
-
- cmpb $0, 8(%rdi)
- jz L(exit_tail8)
- cmpb $0, 9(%rdi)
- jz L(exit_tail9)
- cmpb $0, 10(%rdi)
- jz L(exit_tail10)
- cmpb $0, 11(%rdi)
- jz L(exit_tail11)
-
- cmpb $0, 12(%rdi)
- jz L(exit_tail12)
- cmpb $0, 13(%rdi)
- jz L(exit_tail13)
- cmpb $0, 14(%rdi)
- jz L(exit_tail14)
- cmpb $0, 15(%rdi)
- jz L(exit_tail15)
- pxor %xmm0, %xmm0
- lea 16(%rdi), %rcx
- lea 16(%rdi), %rax
- and $-16, %rax
-
- pcmpeqb (%rax), %xmm0
- pmovmskb %xmm0, %edx
- pxor %xmm1, %xmm1
- test %edx, %edx
- lea 16(%rax), %rax
- jnz L(exit)
-
- pcmpeqb (%rax), %xmm1
- pmovmskb %xmm1, %edx
- pxor %xmm2, %xmm2
- test %edx, %edx
- lea 16(%rax), %rax
- jnz L(exit)
-
- pcmpeqb (%rax), %xmm2
- pmovmskb %xmm2, %edx
- pxor %xmm3, %xmm3
- test %edx, %edx
- lea 16(%rax), %rax
- jnz L(exit)
-
- pcmpeqb (%rax), %xmm3
- pmovmskb %xmm3, %edx
- test %edx, %edx
- lea 16(%rax), %rax
- jnz L(exit)
-
- pcmpeqb (%rax), %xmm0
- pmovmskb %xmm0, %edx
- test %edx, %edx
- lea 16(%rax), %rax
- jnz L(exit)
-
- pcmpeqb (%rax), %xmm1
- pmovmskb %xmm1, %edx
- test %edx, %edx
- lea 16(%rax), %rax
- jnz L(exit)
-
- pcmpeqb (%rax), %xmm2
- pmovmskb %xmm2, %edx
- test %edx, %edx
- lea 16(%rax), %rax
- jnz L(exit)
-
- pcmpeqb (%rax), %xmm3
- pmovmskb %xmm3, %edx
- test %edx, %edx
- lea 16(%rax), %rax
- jnz L(exit)
-
- pcmpeqb (%rax), %xmm0
- pmovmskb %xmm0, %edx
- test %edx, %edx
- lea 16(%rax), %rax
- jnz L(exit)
-
- pcmpeqb (%rax), %xmm1
- pmovmskb %xmm1, %edx
- test %edx, %edx
- lea 16(%rax), %rax
- jnz L(exit)
-
- pcmpeqb (%rax), %xmm2
- pmovmskb %xmm2, %edx
- test %edx, %edx
- lea 16(%rax), %rax
- jnz L(exit)
-
- pcmpeqb (%rax), %xmm3
- pmovmskb %xmm3, %edx
- test %edx, %edx
- lea 16(%rax), %rax
- jnz L(exit)
-
- pcmpeqb (%rax), %xmm0
- pmovmskb %xmm0, %edx
- test %edx, %edx
- lea 16(%rax), %rax
- jnz L(exit)
-
- pcmpeqb (%rax), %xmm1
- pmovmskb %xmm1, %edx
- test %edx, %edx
- lea 16(%rax), %rax
- jnz L(exit)
-
- pcmpeqb (%rax), %xmm2
- pmovmskb %xmm2, %edx
- test %edx, %edx
- lea 16(%rax), %rax
- jnz L(exit)
-
- pcmpeqb (%rax), %xmm3
- pmovmskb %xmm3, %edx
- test %edx, %edx
- lea 16(%rax), %rax
- jnz L(exit)
-
- and $-0x40, %rax
-
- .p2align 4
-L(aligned_64):
- pcmpeqb (%rax), %xmm0
- pcmpeqb 16(%rax), %xmm1
- pcmpeqb 32(%rax), %xmm2
- pcmpeqb 48(%rax), %xmm3
- pmovmskb %xmm0, %edx
- pmovmskb %xmm1, %r11d
- pmovmskb %xmm2, %r10d
- pmovmskb %xmm3, %r9d
- or %edx, %r9d
- or %r11d, %r9d
- or %r10d, %r9d
- lea 64(%rax), %rax
- jz L(aligned_64)
-
- test %edx, %edx
- jnz L(aligned_64_exit_16)
- test %r11d, %r11d
- jnz L(aligned_64_exit_32)
- test %r10d, %r10d
- jnz L(aligned_64_exit_48)
-
-L(aligned_64_exit_64):
- pmovmskb %xmm3, %edx
- jmp L(exit)
-
-L(aligned_64_exit_48):
- lea -16(%rax), %rax
- mov %r10d, %edx
- jmp L(exit)
-
-L(aligned_64_exit_32):
- lea -32(%rax), %rax
- mov %r11d, %edx
- jmp L(exit)
-
-L(aligned_64_exit_16):
- lea -48(%rax), %rax
-
-L(exit):
- sub %rcx, %rax
- test %dl, %dl
- jz L(exit_high)
- test $0x01, %dl
- jnz L(exit_tail0)
-
- test $0x02, %dl
- jnz L(exit_tail1)
-
- test $0x04, %dl
- jnz L(exit_tail2)
-
- test $0x08, %dl
- jnz L(exit_tail3)
-
- test $0x10, %dl
- jnz L(exit_tail4)
-
- test $0x20, %dl
- jnz L(exit_tail5)
-
- test $0x40, %dl
- jnz L(exit_tail6)
- add $7, %eax
-L(exit_tail0):
- jmp L(StartStrcpyPart)
-
- .p2align 4
-L(exit_high):
- add $8, %eax
- test $0x01, %dh
- jnz L(exit_tail0)
-
- test $0x02, %dh
- jnz L(exit_tail1)
-
- test $0x04, %dh
- jnz L(exit_tail2)
-
- test $0x08, %dh
- jnz L(exit_tail3)
-
- test $0x10, %dh
- jnz L(exit_tail4)
-
- test $0x20, %dh
- jnz L(exit_tail5)
-
- test $0x40, %dh
- jnz L(exit_tail6)
- add $7, %eax
- jmp L(StartStrcpyPart)
-
- .p2align 4
-L(exit_tail1):
- add $1, %eax
- jmp L(StartStrcpyPart)
-
- .p2align 4
-L(exit_tail2):
- add $2, %eax
- jmp L(StartStrcpyPart)
-
- .p2align 4
-L(exit_tail3):
- add $3, %eax
- jmp L(StartStrcpyPart)
-
- .p2align 4
-L(exit_tail4):
- add $4, %eax
- jmp L(StartStrcpyPart)
-
- .p2align 4
-L(exit_tail5):
- add $5, %eax
- jmp L(StartStrcpyPart)
-
- .p2align 4
-L(exit_tail6):
- add $6, %eax
- jmp L(StartStrcpyPart)
-
- .p2align 4
-L(exit_tail7):
- add $7, %eax
- jmp L(StartStrcpyPart)
-
- .p2align 4
-L(exit_tail8):
- add $8, %eax
- jmp L(StartStrcpyPart)
-
- .p2align 4
-L(exit_tail9):
- add $9, %eax
- jmp L(StartStrcpyPart)
-
- .p2align 4
-L(exit_tail10):
- add $10, %eax
- jmp L(StartStrcpyPart)
-
- .p2align 4
-L(exit_tail11):
- add $11, %eax
- jmp L(StartStrcpyPart)
-
- .p2align 4
-L(exit_tail12):
- add $12, %eax
- jmp L(StartStrcpyPart)
-
- .p2align 4
-L(exit_tail13):
- add $13, %eax
- jmp L(StartStrcpyPart)
-
- .p2align 4
-L(exit_tail14):
- add $14, %eax
- jmp L(StartStrcpyPart)
-
- .p2align 4
-L(exit_tail15):
- add $15, %eax
-
- .p2align 4
-L(StartStrcpyPart):
- mov %rsi, %rcx
- lea (%rdi, %rax), %rdx
-# ifdef USE_AS_STRNCAT
- test %r8, %r8
- jz L(StrncatExit0)
- cmp $8, %r8
- jbe L(StrncatExit8Bytes)
-# endif
- cmpb $0, (%rcx)
- jz L(Exit1)
- cmpb $0, 1(%rcx)
- jz L(Exit2)
- cmpb $0, 2(%rcx)
- jz L(Exit3)
- cmpb $0, 3(%rcx)
- jz L(Exit4)
- cmpb $0, 4(%rcx)
- jz L(Exit5)
- cmpb $0, 5(%rcx)
- jz L(Exit6)
- cmpb $0, 6(%rcx)
- jz L(Exit7)
- cmpb $0, 7(%rcx)
- jz L(Exit8)
- cmpb $0, 8(%rcx)
- jz L(Exit9)
-# ifdef USE_AS_STRNCAT
- cmp $16, %r8
- jb L(StrncatExit15Bytes)
-# endif
- cmpb $0, 9(%rcx)
- jz L(Exit10)
- cmpb $0, 10(%rcx)
- jz L(Exit11)
- cmpb $0, 11(%rcx)
- jz L(Exit12)
- cmpb $0, 12(%rcx)
- jz L(Exit13)
- cmpb $0, 13(%rcx)
- jz L(Exit14)
- cmpb $0, 14(%rcx)
- jz L(Exit15)
- cmpb $0, 15(%rcx)
- jz L(Exit16)
-# ifdef USE_AS_STRNCAT
- cmp $16, %r8
- je L(StrncatExit16)
-# define USE_AS_STRNCPY
-# endif
-
-# include "strcpy-ssse3.S"
-
- .p2align 4
-L(CopyFrom1To16Bytes):
- add %rsi, %rdx
- add %rsi, %rcx
-
- test %al, %al
- jz L(ExitHigh)
- test $0x01, %al
- jnz L(Exit1)
- test $0x02, %al
- jnz L(Exit2)
- test $0x04, %al
- jnz L(Exit3)
- test $0x08, %al
- jnz L(Exit4)
- test $0x10, %al
- jnz L(Exit5)
- test $0x20, %al
- jnz L(Exit6)
- test $0x40, %al
- jnz L(Exit7)
- movlpd (%rcx), %xmm0
- movlpd %xmm0, (%rdx)
- mov %rdi, %rax
- ret
-
- .p2align 4
-L(ExitHigh):
- test $0x01, %ah
- jnz L(Exit9)
- test $0x02, %ah
- jnz L(Exit10)
- test $0x04, %ah
- jnz L(Exit11)
- test $0x08, %ah
- jnz L(Exit12)
- test $0x10, %ah
- jnz L(Exit13)
- test $0x20, %ah
- jnz L(Exit14)
- test $0x40, %ah
- jnz L(Exit15)
- movlpd (%rcx), %xmm0
- movlpd 8(%rcx), %xmm1
- movlpd %xmm0, (%rdx)
- movlpd %xmm1, 8(%rdx)
- mov %rdi, %rax
- ret
-
- .p2align 4
-L(StrncatExit1):
- xor %ah, %ah
- movb %ah, 1(%rdx)
-L(Exit1):
- movb (%rcx), %al
- movb %al, (%rdx)
- mov %rdi, %rax
- ret
-
- .p2align 4
-L(StrncatExit2):
- xor %ah, %ah
- movb %ah, 2(%rdx)
-L(Exit2):
- movw (%rcx), %ax
- movw %ax, (%rdx)
- mov %rdi, %rax
- ret
-
- .p2align 4
-L(StrncatExit3):
- xor %ah, %ah
- movb %ah, 3(%rdx)
-L(Exit3):
- movw (%rcx), %ax
- movw %ax, (%rdx)
- movb 2(%rcx), %al
- movb %al, 2(%rdx)
- mov %rdi, %rax
- ret
-
- .p2align 4
-L(StrncatExit4):
- xor %ah, %ah
- movb %ah, 4(%rdx)
-L(Exit4):
- mov (%rcx), %eax
- mov %eax, (%rdx)
- mov %rdi, %rax
- ret
-
- .p2align 4
-L(StrncatExit5):
- xor %ah, %ah
- movb %ah, 5(%rdx)
-L(Exit5):
- mov (%rcx), %eax
- mov %eax, (%rdx)
- movb 4(%rcx), %al
- movb %al, 4(%rdx)
- mov %rdi, %rax
- ret
-
- .p2align 4
-L(StrncatExit6):
- xor %ah, %ah
- movb %ah, 6(%rdx)
-L(Exit6):
- mov (%rcx), %eax
- mov %eax, (%rdx)
- movw 4(%rcx), %ax
- movw %ax, 4(%rdx)
- mov %rdi, %rax
- ret
-
- .p2align 4
-L(StrncatExit7):
- xor %ah, %ah
- movb %ah, 7(%rdx)
-L(Exit7):
- mov (%rcx), %eax
- mov %eax, (%rdx)
- mov 3(%rcx), %eax
- mov %eax, 3(%rdx)
- mov %rdi, %rax
- ret
-
- .p2align 4
-L(StrncatExit8):
- xor %ah, %ah
- movb %ah, 8(%rdx)
-L(Exit8):
- movlpd (%rcx), %xmm0
- movlpd %xmm0, (%rdx)
- mov %rdi, %rax
- ret
-
- .p2align 4
-L(StrncatExit9):
- xor %ah, %ah
- movb %ah, 9(%rdx)
-L(Exit9):
- movlpd (%rcx), %xmm0
- movlpd %xmm0, (%rdx)
- movb 8(%rcx), %al
- movb %al, 8(%rdx)
- mov %rdi, %rax
- ret
-
- .p2align 4
-L(StrncatExit10):
- xor %ah, %ah
- movb %ah, 10(%rdx)
-L(Exit10):
- movlpd (%rcx), %xmm0
- movlpd %xmm0, (%rdx)
- movw 8(%rcx), %ax
- movw %ax, 8(%rdx)
- mov %rdi, %rax
- ret
-
- .p2align 4
-L(StrncatExit11):
- xor %ah, %ah
- movb %ah, 11(%rdx)
-L(Exit11):
- movlpd (%rcx), %xmm0
- movlpd %xmm0, (%rdx)
- mov 7(%rcx), %eax
- mov %eax, 7(%rdx)
- mov %rdi, %rax
- ret
-
- .p2align 4
-L(StrncatExit12):
- xor %ah, %ah
- movb %ah, 12(%rdx)
-L(Exit12):
- movlpd (%rcx), %xmm0
- movlpd %xmm0, (%rdx)
- mov 8(%rcx), %eax
- mov %eax, 8(%rdx)
- mov %rdi, %rax
- ret
-
- .p2align 4
-L(StrncatExit13):
- xor %ah, %ah
- movb %ah, 13(%rdx)
-L(Exit13):
- movlpd (%rcx), %xmm0
- movlpd %xmm0, (%rdx)
- movlpd 5(%rcx), %xmm1
- movlpd %xmm1, 5(%rdx)
- mov %rdi, %rax
- ret
-
- .p2align 4
-L(StrncatExit14):
- xor %ah, %ah
- movb %ah, 14(%rdx)
-L(Exit14):
- movlpd (%rcx), %xmm0
- movlpd %xmm0, (%rdx)
- movlpd 6(%rcx), %xmm1
- movlpd %xmm1, 6(%rdx)
- mov %rdi, %rax
- ret
-
- .p2align 4
-L(StrncatExit15):
- xor %ah, %ah
- movb %ah, 15(%rdx)
-L(Exit15):
- movlpd (%rcx), %xmm0
- movlpd %xmm0, (%rdx)
- movlpd 7(%rcx), %xmm1
- movlpd %xmm1, 7(%rdx)
- mov %rdi, %rax
- ret
-
- .p2align 4
-L(StrncatExit16):
- xor %ah, %ah
- movb %ah, 16(%rdx)
-L(Exit16):
- movlpd (%rcx), %xmm0
- movlpd 8(%rcx), %xmm1
- movlpd %xmm0, (%rdx)
- movlpd %xmm1, 8(%rdx)
- mov %rdi, %rax
- ret
-
-# ifdef USE_AS_STRNCPY
-
- .p2align 4
-L(CopyFrom1To16BytesCase2):
- add $16, %r8
- add %rsi, %rcx
- lea (%rsi, %rdx), %rsi
- lea -9(%r8), %rdx
- and $1<<7, %dh
- or %al, %dh
- test %dh, %dh
- lea (%rsi), %rdx
- jz L(ExitHighCase2)
-
- test $0x01, %al
- jnz L(Exit1)
- cmp $1, %r8
- je L(StrncatExit1)
- test $0x02, %al
- jnz L(Exit2)
- cmp $2, %r8
- je L(StrncatExit2)
- test $0x04, %al
- jnz L(Exit3)
- cmp $3, %r8
- je L(StrncatExit3)
- test $0x08, %al
- jnz L(Exit4)
- cmp $4, %r8
- je L(StrncatExit4)
- test $0x10, %al
- jnz L(Exit5)
- cmp $5, %r8
- je L(StrncatExit5)
- test $0x20, %al
- jnz L(Exit6)
- cmp $6, %r8
- je L(StrncatExit6)
- test $0x40, %al
- jnz L(Exit7)
- cmp $7, %r8
- je L(StrncatExit7)
- movlpd (%rcx), %xmm0
- movlpd %xmm0, (%rdx)
- lea 7(%rdx), %rax
- cmpb $1, (%rax)
- sbb $-1, %rax
- xor %cl, %cl
- movb %cl, (%rax)
- mov %rdi, %rax
- ret
-
- .p2align 4
-L(ExitHighCase2):
- test $0x01, %ah
- jnz L(Exit9)
- cmp $9, %r8
- je L(StrncatExit9)
- test $0x02, %ah
- jnz L(Exit10)
- cmp $10, %r8
- je L(StrncatExit10)
- test $0x04, %ah
- jnz L(Exit11)
- cmp $11, %r8
- je L(StrncatExit11)
- test $0x8, %ah
- jnz L(Exit12)
- cmp $12, %r8
- je L(StrncatExit12)
- test $0x10, %ah
- jnz L(Exit13)
- cmp $13, %r8
- je L(StrncatExit13)
- test $0x20, %ah
- jnz L(Exit14)
- cmp $14, %r8
- je L(StrncatExit14)
- test $0x40, %ah
- jnz L(Exit15)
- cmp $15, %r8
- je L(StrncatExit15)
- movlpd (%rcx), %xmm0
- movlpd %xmm0, (%rdx)
- movlpd 8(%rcx), %xmm1
- movlpd %xmm1, 8(%rdx)
- mov %rdi, %rax
- ret
-
-L(CopyFrom1To16BytesCase2OrCase3):
- test %rax, %rax
- jnz L(CopyFrom1To16BytesCase2)
-
- .p2align 4
-L(CopyFrom1To16BytesCase3):
- add $16, %r8
- add %rsi, %rdx
- add %rsi, %rcx
-
- cmp $8, %r8
- ja L(ExitHighCase3)
- cmp $1, %r8
- je L(StrncatExit1)
- cmp $2, %r8
- je L(StrncatExit2)
- cmp $3, %r8
- je L(StrncatExit3)
- cmp $4, %r8
- je L(StrncatExit4)
- cmp $5, %r8
- je L(StrncatExit5)
- cmp $6, %r8
- je L(StrncatExit6)
- cmp $7, %r8
- je L(StrncatExit7)
- movlpd (%rcx), %xmm0
- movlpd %xmm0, (%rdx)
- xor %ah, %ah
- movb %ah, 8(%rdx)
- mov %rdi, %rax
- ret
-
- .p2align 4
-L(ExitHighCase3):
- cmp $9, %r8
- je L(StrncatExit9)
- cmp $10, %r8
- je L(StrncatExit10)
- cmp $11, %r8
- je L(StrncatExit11)
- cmp $12, %r8
- je L(StrncatExit12)
- cmp $13, %r8
- je L(StrncatExit13)
- cmp $14, %r8
- je L(StrncatExit14)
- cmp $15, %r8
- je L(StrncatExit15)
- movlpd (%rcx), %xmm0
- movlpd %xmm0, (%rdx)
- movlpd 8(%rcx), %xmm1
- movlpd %xmm1, 8(%rdx)
- xor %ah, %ah
- movb %ah, 16(%rdx)
- mov %rdi, %rax
- ret
-
- .p2align 4
-L(StrncatExit0):
- mov %rdi, %rax
- ret
-
- .p2align 4
-L(StrncatExit15Bytes):
- cmp $9, %r8
- je L(StrncatExit9)
- cmpb $0, 9(%rcx)
- jz L(Exit10)
- cmp $10, %r8
- je L(StrncatExit10)
- cmpb $0, 10(%rcx)
- jz L(Exit11)
- cmp $11, %r8
- je L(StrncatExit11)
- cmpb $0, 11(%rcx)
- jz L(Exit12)
- cmp $12, %r8
- je L(StrncatExit12)
- cmpb $0, 12(%rcx)
- jz L(Exit13)
- cmp $13, %r8
- je L(StrncatExit13)
- cmpb $0, 13(%rcx)
- jz L(Exit14)
- cmp $14, %r8
- je L(StrncatExit14)
- movlpd (%rcx), %xmm0
- movlpd %xmm0, (%rdx)
- movlpd 7(%rcx), %xmm1
- movlpd %xmm1, 7(%rdx)
- lea 14(%rdx), %rax
- cmpb $1, (%rax)
- sbb $-1, %rax
- xor %cl, %cl
- movb %cl, (%rax)
- mov %rdi, %rax
- ret
-
- .p2align 4
-L(StrncatExit8Bytes):
- cmpb $0, (%rcx)
- jz L(Exit1)
- cmp $1, %r8
- je L(StrncatExit1)
- cmpb $0, 1(%rcx)
- jz L(Exit2)
- cmp $2, %r8
- je L(StrncatExit2)
- cmpb $0, 2(%rcx)
- jz L(Exit3)
- cmp $3, %r8
- je L(StrncatExit3)
- cmpb $0, 3(%rcx)
- jz L(Exit4)
- cmp $4, %r8
- je L(StrncatExit4)
- cmpb $0, 4(%rcx)
- jz L(Exit5)
- cmp $5, %r8
- je L(StrncatExit5)
- cmpb $0, 5(%rcx)
- jz L(Exit6)
- cmp $6, %r8
- je L(StrncatExit6)
- cmpb $0, 6(%rcx)
- jz L(Exit7)
- cmp $7, %r8
- je L(StrncatExit7)
- movlpd (%rcx), %xmm0
- movlpd %xmm0, (%rdx)
- lea 7(%rdx), %rax
- cmpb $1, (%rax)
- sbb $-1, %rax
- xor %cl, %cl
- movb %cl, (%rax)
- mov %rdi, %rax
- ret
-
-# endif
-END (STRCAT)
-#endif
+++ /dev/null
-#define USE_AS_STRNCAT
-#define STRCAT __strncat_ssse3
-#include "strcat-ssse3.S"
git://sourceware.org / glibc.git / commitdiff