| Liubov Dmitrieva | 0a49066 | 2012-01-17 12:55:46 +0400 | [diff] [blame^] | 1 | /* |
| 2 | Copyright (c) 2011 Intel Corporation |
| 3 | All rights reserved. |
| 4 | |
| 5 | Redistribution and use in source and binary forms, with or without |
| 6 | modification, are permitted provided that the following conditions are met: |
| 7 | |
| 8 | * Redistributions of source code must retain the above copyright notice, |
| 9 | * this list of conditions and the following disclaimer. |
| 10 | |
| 11 | * Redistributions in binary form must reproduce the above copyright notice, |
| 12 | * this list of conditions and the following disclaimer in the documentation |
| 13 | * and/or other materials provided with the distribution. |
| 14 | |
| 15 | * Neither the name of Intel Corporation nor the names of its contributors |
| 16 | * may be used to endorse or promote products derived from this software |
| 17 | * without specific prior written permission. |
| 18 | |
| 19 | THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND |
| 20 | ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED |
| 21 | WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE |
| 22 | DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR |
| 23 | ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES |
| 24 | (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; |
| 25 | LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON |
| 26 | ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
| 27 | (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS |
| 28 | SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| 29 | */ |
| 30 | |
| 31 | #ifndef L |
| 32 | # define L(label) .L##label |
| 33 | #endif |
| 34 | |
| 35 | #ifndef cfi_startproc |
| 36 | # define cfi_startproc .cfi_startproc |
| 37 | #endif |
| 38 | |
| 39 | #ifndef cfi_endproc |
| 40 | # define cfi_endproc .cfi_endproc |
| 41 | #endif |
| 42 | |
| 43 | #ifndef cfi_rel_offset |
| 44 | # define cfi_rel_offset(reg, off) .cfi_rel_offset reg, off |
| 45 | #endif |
| 46 | |
| 47 | #ifndef cfi_restore |
| 48 | # define cfi_restore(reg) .cfi_restore reg |
| 49 | #endif |
| 50 | |
| 51 | #ifndef cfi_adjust_cfa_offset |
| 52 | # define cfi_adjust_cfa_offset(off) .cfi_adjust_cfa_offset off |
| 53 | #endif |
| 54 | |
| 55 | #ifndef ENTRY |
| 56 | # define ENTRY(name) \ |
| 57 | .type name, @function; \ |
| 58 | .globl name; \ |
| 59 | .p2align 4; \ |
| 60 | name: \ |
| 61 | cfi_startproc |
| 62 | #endif |
| 63 | |
| 64 | #ifndef END |
| 65 | # define END(name) \ |
| 66 | cfi_endproc; \ |
| 67 | .size name, .-name |
| 68 | #endif |
| 69 | |
| 70 | #define CFI_PUSH(REG) \ |
| 71 | cfi_adjust_cfa_offset (4); \ |
| 72 | cfi_rel_offset (REG, 0) |
| 73 | |
| 74 | #define CFI_POP(REG) \ |
| 75 | cfi_adjust_cfa_offset (-4); \ |
| 76 | cfi_restore (REG) |
| 77 | |
| 78 | #define PUSH(REG) pushl REG; CFI_PUSH (REG) |
| 79 | #define POP(REG) popl REG; CFI_POP (REG) |
| 80 | |
| 81 | #define PARMS 4 |
| 82 | #define STR1 PARMS+4 |
| 83 | #define STR2 STR1+4 |
| 84 | |
| 85 | #define USE_AS_WCSCAT |
| 86 | |
| 87 | .text |
| 88 | ENTRY (wcscat) |
| 89 | PUSH (%edi) |
| 90 | mov STR1(%esp), %edi |
| 91 | mov %edi, %edx |
| 92 | |
| 93 | #define RETURN jmp L(WcscpyAtom) |
| 94 | #include "sse2-wcslen-atom.S" |
| 95 | |
| 96 | L(WcscpyAtom): |
| 97 | shl $2, %eax |
| 98 | mov STR2(%esp), %ecx |
| 99 | lea (%edi, %eax), %edx |
| 100 | |
| 101 | cmp $0, (%ecx) |
| 102 | jz L(Exit4) |
| 103 | cmp $0, 4(%ecx) |
| 104 | jz L(Exit8) |
| 105 | cmp $0, 8(%ecx) |
| 106 | jz L(Exit12) |
| 107 | cmp $0, 12(%ecx) |
| 108 | jz L(Exit16) |
| 109 | |
| 110 | #undef RETURN |
| 111 | #define RETURN POP(%edi); ret; CFI_PUSH(%edi) |
| 112 | #include "ssse3-wcscpy-atom.S" |
| 113 | |
| 114 | END (wcscat) |