Merge "libc: swap strrchr to llvm-libc for most arches" into main
diff --git a/libc/Android.bp b/libc/Android.bp
index c34023c..8407a60 100644
--- a/libc/Android.bp
+++ b/libc/Android.bp
@@ -1087,7 +1087,6 @@
"bionic/strchr.cpp",
"bionic/strchrnul.cpp",
"bionic/strnlen.cpp",
- "bionic/strrchr.cpp",
],
},
arm64: {
@@ -1143,7 +1142,6 @@
"arch-riscv64/string/strnlen.c",
"bionic/strchrnul.cpp",
- "bionic/strrchr.cpp",
],
},
@@ -1167,7 +1165,6 @@
"arch-x86/string/sse2-strlen-slm.S",
"arch-x86/string/sse2-strncpy-slm.S",
"arch-x86/string/sse2-strnlen-atom.S",
- "arch-x86/string/sse2-strrchr-atom.S",
"arch-x86/string/ssse3-memcmp-atom.S",
"arch-x86/string/ssse3-strcat-atom.S",
diff --git a/libc/arch-x86/string/sse2-strrchr-atom.S b/libc/arch-x86/string/sse2-strrchr-atom.S
deleted file mode 100644
index e916bc1..0000000
--- a/libc/arch-x86/string/sse2-strrchr-atom.S
+++ /dev/null
@@ -1,753 +0,0 @@
-/*
-Copyright (c) 2011, Intel Corporation
-All rights reserved.
-
-Redistribution and use in source and binary forms, with or without
-modification, are permitted provided that the following conditions are met:
-
- * Redistributions of source code must retain the above copyright notice,
- * this list of conditions and the following disclaimer.
-
- * Redistributions in binary form must reproduce the above copyright notice,
- * this list of conditions and the following disclaimer in the documentation
- * and/or other materials provided with the distribution.
-
- * Neither the name of Intel Corporation nor the names of its contributors
- * may be used to endorse or promote products derived from this software
- * without specific prior written permission.
-
-THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
-ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
-WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
-DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR
-ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
-(INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
-LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
-ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
-(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
-SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
-*/
-
-#ifndef L
-# define L(label) .L##label
-#endif
-
-#ifndef cfi_startproc
-# define cfi_startproc .cfi_startproc
-#endif
-
-#ifndef cfi_endproc
-# define cfi_endproc .cfi_endproc
-#endif
-
-#ifndef cfi_rel_offset
-# define cfi_rel_offset(reg, off) .cfi_rel_offset reg, off
-#endif
-
-#ifndef cfi_restore
-# define cfi_restore(reg) .cfi_restore reg
-#endif
-
-#ifndef cfi_adjust_cfa_offset
-# define cfi_adjust_cfa_offset(off) .cfi_adjust_cfa_offset off
-#endif
-
-#ifndef ENTRY
-# define ENTRY(name) \
- .type name, @function; \
- .globl name; \
- .p2align 4; \
-name: \
- cfi_startproc
-#endif
-
-#ifndef END
-# define END(name) \
- cfi_endproc; \
- .size name, .-name
-#endif
-
-#define CFI_PUSH(REG) \
- cfi_adjust_cfa_offset (4); \
- cfi_rel_offset (REG, 0)
-
-#define CFI_POP(REG) \
- cfi_adjust_cfa_offset (-4); \
- cfi_restore (REG)
-
-#define PUSH(REG) pushl REG; CFI_PUSH (REG)
-#define POP(REG) popl REG; CFI_POP (REG)
-
-#define PARMS 8
-#define ENTRANCE PUSH(%edi);
-#define RETURN POP (%edi); ret; CFI_PUSH (%edi);
-
-#define STR1 PARMS
-#define STR2 STR1+4
-
- .text
-ENTRY (strrchr)
-
- ENTRANCE
- mov STR1(%esp), %ecx
- movd STR2(%esp), %xmm1
-
- pxor %xmm2, %xmm2
- mov %ecx, %edi
- punpcklbw %xmm1, %xmm1
- punpcklbw %xmm1, %xmm1
- /* ECX has OFFSET. */
- and $63, %ecx
- pshufd $0, %xmm1, %xmm1
- cmp $48, %ecx
- ja L(crosscache)
-
-/* unaligned string. */
- movdqu (%edi), %xmm0
- pcmpeqb %xmm0, %xmm2
- pcmpeqb %xmm1, %xmm0
- /* Find where NULL is. */
- pmovmskb %xmm2, %ecx
- /* Check if there is a match. */
- pmovmskb %xmm0, %eax
- add $16, %edi
-
- test %eax, %eax
- jnz L(unaligned_match1)
-
- test %ecx, %ecx
- jnz L(return_null)
-
- and $-16, %edi
-
- PUSH (%esi)
- PUSH (%ebx)
-
- xor %ebx, %ebx
- jmp L(loop)
-
- CFI_POP (%esi)
- CFI_POP (%ebx)
-
- .p2align 4
-L(unaligned_match1):
- test %ecx, %ecx
- jnz L(prolog_find_zero_1)
-
- PUSH (%esi)
- PUSH (%ebx)
-
- mov %eax, %ebx
- mov %edi, %esi
- and $-16, %edi
- jmp L(loop)
-
- CFI_POP (%esi)
- CFI_POP (%ebx)
-
- .p2align 4
-L(crosscache):
-/* Hancle unaligned string. */
- and $15, %ecx
- and $-16, %edi
- pxor %xmm3, %xmm3
- movdqa (%edi), %xmm0
- pcmpeqb %xmm0, %xmm3
- pcmpeqb %xmm1, %xmm0
- /* Find where NULL is. */
- pmovmskb %xmm3, %edx
- /* Check if there is a match. */
- pmovmskb %xmm0, %eax
- /* Remove the leading bytes. */
- shr %cl, %edx
- shr %cl, %eax
- add $16, %edi
-
- test %eax, %eax
- jnz L(unaligned_match)
-
- test %edx, %edx
- jnz L(return_null)
-
- PUSH (%esi)
- PUSH (%ebx)
-
- xor %ebx, %ebx
- jmp L(loop)
-
- CFI_POP (%esi)
- CFI_POP (%ebx)
-
- .p2align 4
-L(unaligned_match):
- test %edx, %edx
- jnz L(prolog_find_zero)
-
- PUSH (%esi)
- PUSH (%ebx)
-
- mov %eax, %ebx
- lea (%edi, %ecx), %esi
-
-/* Loop start on aligned string. */
- .p2align 4
-L(loop):
- movdqa (%edi), %xmm0
- pcmpeqb %xmm0, %xmm2
- add $16, %edi
- pcmpeqb %xmm1, %xmm0
- pmovmskb %xmm2, %ecx
- pmovmskb %xmm0, %eax
- or %eax, %ecx
- jnz L(matches)
-
- movdqa (%edi), %xmm0
- pcmpeqb %xmm0, %xmm2
- add $16, %edi
- pcmpeqb %xmm1, %xmm0
- pmovmskb %xmm2, %ecx
- pmovmskb %xmm0, %eax
- or %eax, %ecx
- jnz L(matches)
-
- movdqa (%edi), %xmm0
- pcmpeqb %xmm0, %xmm2
- add $16, %edi
- pcmpeqb %xmm1, %xmm0
- pmovmskb %xmm2, %ecx
- pmovmskb %xmm0, %eax
- or %eax, %ecx
- jnz L(matches)
-
- movdqa (%edi), %xmm0
- pcmpeqb %xmm0, %xmm2
- add $16, %edi
- pcmpeqb %xmm1, %xmm0
- pmovmskb %xmm2, %ecx
- pmovmskb %xmm0, %eax
- or %eax, %ecx
- jz L(loop)
-
-L(matches):
- test %eax, %eax
- jnz L(match)
-L(return_value):
- test %ebx, %ebx
- jz L(return_null_1)
- mov %ebx, %eax
- mov %esi, %edi
-
- POP (%ebx)
- POP (%esi)
-
- jmp L(match_case1)
-
- CFI_PUSH (%ebx)
- CFI_PUSH (%esi)
-
- .p2align 4
-L(return_null_1):
- POP (%ebx)
- POP (%esi)
-
- xor %eax, %eax
- RETURN
-
- CFI_PUSH (%ebx)
- CFI_PUSH (%esi)
-
- .p2align 4
-L(match):
- pmovmskb %xmm2, %ecx
- test %ecx, %ecx
- jnz L(find_zero)
- mov %eax, %ebx
- mov %edi, %esi
- jmp L(loop)
-
- .p2align 4
-L(find_zero):
- test %cl, %cl
- jz L(find_zero_high)
- mov %cl, %dl
- and $15, %dl
- jz L(find_zero_8)
- test $0x01, %cl
- jnz L(FindZeroExit1)
- test $0x02, %cl
- jnz L(FindZeroExit2)
- test $0x04, %cl
- jnz L(FindZeroExit3)
- and $(1 << 4) - 1, %eax
- jz L(return_value)
-
- POP (%ebx)
- POP (%esi)
- jmp L(match_case1)
-
- CFI_PUSH (%ebx)
- CFI_PUSH (%esi)
-
- .p2align 4
-L(find_zero_8):
- test $0x10, %cl
- jnz L(FindZeroExit5)
- test $0x20, %cl
- jnz L(FindZeroExit6)
- test $0x40, %cl
- jnz L(FindZeroExit7)
- and $(1 << 8) - 1, %eax
- jz L(return_value)
-
- POP (%ebx)
- POP (%esi)
- jmp L(match_case1)
-
- CFI_PUSH (%ebx)
- CFI_PUSH (%esi)
-
- .p2align 4
-L(find_zero_high):
- mov %ch, %dh
- and $15, %dh
- jz L(find_zero_high_8)
- test $0x01, %ch
- jnz L(FindZeroExit9)
- test $0x02, %ch
- jnz L(FindZeroExit10)
- test $0x04, %ch
- jnz L(FindZeroExit11)
- and $(1 << 12) - 1, %eax
- jz L(return_value)
-
- POP (%ebx)
- POP (%esi)
- jmp L(match_case1)
-
- CFI_PUSH (%ebx)
- CFI_PUSH (%esi)
-
- .p2align 4
-L(find_zero_high_8):
- test $0x10, %ch
- jnz L(FindZeroExit13)
- test $0x20, %ch
- jnz L(FindZeroExit14)
- test $0x40, %ch
- jnz L(FindZeroExit15)
- and $(1 << 16) - 1, %eax
- jz L(return_value)
-
- POP (%ebx)
- POP (%esi)
- jmp L(match_case1)
-
- CFI_PUSH (%ebx)
- CFI_PUSH (%esi)
-
- .p2align 4
-L(FindZeroExit1):
- and $1, %eax
- jz L(return_value)
-
- POP (%ebx)
- POP (%esi)
- jmp L(match_case1)
-
- CFI_PUSH (%ebx)
- CFI_PUSH (%esi)
-
- .p2align 4
-L(FindZeroExit2):
- and $(1 << 2) - 1, %eax
- jz L(return_value)
-
- POP (%ebx)
- POP (%esi)
- jmp L(match_case1)
-
- CFI_PUSH (%ebx)
- CFI_PUSH (%esi)
-
- .p2align 4
-L(FindZeroExit3):
- and $(1 << 3) - 1, %eax
- jz L(return_value)
-
- POP (%ebx)
- POP (%esi)
- jmp L(match_case1)
-
- CFI_PUSH (%ebx)
- CFI_PUSH (%esi)
-
- .p2align 4
-L(FindZeroExit5):
- and $(1 << 5) - 1, %eax
- jz L(return_value)
-
- POP (%ebx)
- POP (%esi)
- jmp L(match_case1)
-
- CFI_PUSH (%ebx)
- CFI_PUSH (%esi)
-
- .p2align 4
-L(FindZeroExit6):
- and $(1 << 6) - 1, %eax
- jz L(return_value)
-
- POP (%ebx)
- POP (%esi)
- jmp L(match_case1)
-
- CFI_PUSH (%ebx)
- CFI_PUSH (%esi)
-
- .p2align 4
-L(FindZeroExit7):
- and $(1 << 7) - 1, %eax
- jz L(return_value)
-
- POP (%ebx)
- POP (%esi)
- jmp L(match_case1)
-
- CFI_PUSH (%ebx)
- CFI_PUSH (%esi)
-
- .p2align 4
-L(FindZeroExit9):
- and $(1 << 9) - 1, %eax
- jz L(return_value)
-
- POP (%ebx)
- POP (%esi)
- jmp L(match_case1)
-
- CFI_PUSH (%ebx)
- CFI_PUSH (%esi)
-
- .p2align 4
-L(FindZeroExit10):
- and $(1 << 10) - 1, %eax
- jz L(return_value)
-
- POP (%ebx)
- POP (%esi)
- jmp L(match_case1)
-
- CFI_PUSH (%ebx)
- CFI_PUSH (%esi)
-
- .p2align 4
-L(FindZeroExit11):
- and $(1 << 11) - 1, %eax
- jz L(return_value)
-
- POP (%ebx)
- POP (%esi)
- jmp L(match_case1)
-
- CFI_PUSH (%ebx)
- CFI_PUSH (%esi)
-
- .p2align 4
-L(FindZeroExit13):
- and $(1 << 13) - 1, %eax
- jz L(return_value)
-
- POP (%ebx)
- POP (%esi)
- jmp L(match_case1)
-
- CFI_PUSH (%ebx)
- CFI_PUSH (%esi)
-
- .p2align 4
-L(FindZeroExit14):
- and $(1 << 14) - 1, %eax
- jz L(return_value)
-
- POP (%ebx)
- POP (%esi)
- jmp L(match_case1)
-
- CFI_PUSH (%ebx)
- CFI_PUSH (%esi)
-
- .p2align 4
-L(FindZeroExit15):
- and $(1 << 15) - 1, %eax
- jz L(return_value)
-
- POP (%ebx)
- POP (%esi)
-
- .p2align 4
-L(match_case1):
- test %ah, %ah
- jnz L(match_case1_high)
- mov %al, %dl
- and $15 << 4, %dl
- jnz L(match_case1_8)
- test $0x08, %al
- jnz L(Exit4)
- test $0x04, %al
- jnz L(Exit3)
- test $0x02, %al
- jnz L(Exit2)
- lea -16(%edi), %eax
- RETURN
-
- .p2align 4
-L(match_case1_8):
- test $0x80, %al
- jnz L(Exit8)
- test $0x40, %al
- jnz L(Exit7)
- test $0x20, %al
- jnz L(Exit6)
- lea -12(%edi), %eax
- RETURN
-
- .p2align 4
-L(match_case1_high):
- mov %ah, %dh
- and $15 << 4, %dh
- jnz L(match_case1_high_8)
- test $0x08, %ah
- jnz L(Exit12)
- test $0x04, %ah
- jnz L(Exit11)
- test $0x02, %ah
- jnz L(Exit10)
- lea -8(%edi), %eax
- RETURN
-
- .p2align 4
-L(match_case1_high_8):
- test $0x80, %ah
- jnz L(Exit16)
- test $0x40, %ah
- jnz L(Exit15)
- test $0x20, %ah
- jnz L(Exit14)
- lea -4(%edi), %eax
- RETURN
-
- .p2align 4
-L(Exit2):
- lea -15(%edi), %eax
- RETURN
-
- .p2align 4
-L(Exit3):
- lea -14(%edi), %eax
- RETURN
-
- .p2align 4
-L(Exit4):
- lea -13(%edi), %eax
- RETURN
-
- .p2align 4
-L(Exit6):
- lea -11(%edi), %eax
- RETURN
-
- .p2align 4
-L(Exit7):
- lea -10(%edi), %eax
- RETURN
-
- .p2align 4
-L(Exit8):
- lea -9(%edi), %eax
- RETURN
-
- .p2align 4
-L(Exit10):
- lea -7(%edi), %eax
- RETURN
-
- .p2align 4
-L(Exit11):
- lea -6(%edi), %eax
- RETURN
-
- .p2align 4
-L(Exit12):
- lea -5(%edi), %eax
- RETURN
-
- .p2align 4
-L(Exit14):
- lea -3(%edi), %eax
- RETURN
-
- .p2align 4
-L(Exit15):
- lea -2(%edi), %eax
- RETURN
-
- .p2align 4
-L(Exit16):
- lea -1(%edi), %eax
- RETURN
-
-/* Return NULL. */
- .p2align 4
-L(return_null):
- xor %eax, %eax
- RETURN
-
- .p2align 4
-L(prolog_find_zero):
- add %ecx, %edi
- mov %edx, %ecx
-L(prolog_find_zero_1):
- test %cl, %cl
- jz L(prolog_find_zero_high)
- mov %cl, %dl
- and $15, %dl
- jz L(prolog_find_zero_8)
- test $0x01, %cl
- jnz L(PrologFindZeroExit1)
- test $0x02, %cl
- jnz L(PrologFindZeroExit2)
- test $0x04, %cl
- jnz L(PrologFindZeroExit3)
- and $(1 << 4) - 1, %eax
- jnz L(match_case1)
- xor %eax, %eax
- RETURN
-
- .p2align 4
-L(prolog_find_zero_8):
- test $0x10, %cl
- jnz L(PrologFindZeroExit5)
- test $0x20, %cl
- jnz L(PrologFindZeroExit6)
- test $0x40, %cl
- jnz L(PrologFindZeroExit7)
- and $(1 << 8) - 1, %eax
- jnz L(match_case1)
- xor %eax, %eax
- RETURN
-
- .p2align 4
-L(prolog_find_zero_high):
- mov %ch, %dh
- and $15, %dh
- jz L(prolog_find_zero_high_8)
- test $0x01, %ch
- jnz L(PrologFindZeroExit9)
- test $0x02, %ch
- jnz L(PrologFindZeroExit10)
- test $0x04, %ch
- jnz L(PrologFindZeroExit11)
- and $(1 << 12) - 1, %eax
- jnz L(match_case1)
- xor %eax, %eax
- RETURN
-
- .p2align 4
-L(prolog_find_zero_high_8):
- test $0x10, %ch
- jnz L(PrologFindZeroExit13)
- test $0x20, %ch
- jnz L(PrologFindZeroExit14)
- test $0x40, %ch
- jnz L(PrologFindZeroExit15)
- and $(1 << 16) - 1, %eax
- jnz L(match_case1)
- xor %eax, %eax
- RETURN
-
- .p2align 4
-L(PrologFindZeroExit1):
- and $1, %eax
- jnz L(match_case1)
- xor %eax, %eax
- RETURN
-
- .p2align 4
-L(PrologFindZeroExit2):
- and $(1 << 2) - 1, %eax
- jnz L(match_case1)
- xor %eax, %eax
- RETURN
-
- .p2align 4
-L(PrologFindZeroExit3):
- and $(1 << 3) - 1, %eax
- jnz L(match_case1)
- xor %eax, %eax
- RETURN
-
- .p2align 4
-L(PrologFindZeroExit5):
- and $(1 << 5) - 1, %eax
- jnz L(match_case1)
- xor %eax, %eax
- RETURN
-
- .p2align 4
-L(PrologFindZeroExit6):
- and $(1 << 6) - 1, %eax
- jnz L(match_case1)
- xor %eax, %eax
- RETURN
-
- .p2align 4
-L(PrologFindZeroExit7):
- and $(1 << 7) - 1, %eax
- jnz L(match_case1)
- xor %eax, %eax
- RETURN
-
- .p2align 4
-L(PrologFindZeroExit9):
- and $(1 << 9) - 1, %eax
- jnz L(match_case1)
- xor %eax, %eax
- RETURN
-
- .p2align 4
-L(PrologFindZeroExit10):
- and $(1 << 10) - 1, %eax
- jnz L(match_case1)
- xor %eax, %eax
- RETURN
-
- .p2align 4
-L(PrologFindZeroExit11):
- and $(1 << 11) - 1, %eax
- jnz L(match_case1)
- xor %eax, %eax
- RETURN
-
- .p2align 4
-L(PrologFindZeroExit13):
- and $(1 << 13) - 1, %eax
- jnz L(match_case1)
- xor %eax, %eax
- RETURN
-
- .p2align 4
-L(PrologFindZeroExit14):
- and $(1 << 14) - 1, %eax
- jnz L(match_case1)
- xor %eax, %eax
- RETURN
-
- .p2align 4
-L(PrologFindZeroExit15):
- and $(1 << 15) - 1, %eax
- jnz L(match_case1)
- xor %eax, %eax
- RETURN
-
-END (strrchr)
diff --git a/libc/bionic/strrchr.cpp b/libc/bionic/strrchr.cpp
deleted file mode 100644
index b6c40f4..0000000
--- a/libc/bionic/strrchr.cpp
+++ /dev/null
@@ -1,34 +0,0 @@
-/*
- * Copyright (c) 1988 Regents of the University of California.
- * All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- * 1. Redistributions of source code must retain the above copyright
- * notice, this list of conditions and the following disclaimer.
- * 2. Redistributions in binary form must reproduce the above copyright
- * notice, this list of conditions and the following disclaimer in the
- * documentation and/or other materials provided with the distribution.
- * 3. Neither the name of the University nor the names of its contributors
- * may be used to endorse or promote products derived from this software
- * without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
- * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
- * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
- * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
- * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
- * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
- * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
- * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
- * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
- * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
- * SUCH DAMAGE.
- */
-
-#include <string.h>
-
-char* strrchr(const char* p, int ch) {
- return __strrchr_chk(p, ch, __BIONIC_FORTIFY_UNKNOWN_SIZE);
-}