1 ;*****************************************************************************
2 ;* checkasm-a.asm: assembly check tool
3 ;*****************************************************************************
4 ;* Copyright (C) 2008-2011 x264 project
6 ;* Authors: Loren Merritt <lorenm@u.washington.edu>
8 ;* This program is free software; you can redistribute it and/or modify
9 ;* it under the terms of the GNU General Public License as published by
10 ;* the Free Software Foundation; either version 2 of the License, or
11 ;* (at your option) any later version.
13 ;* This program is distributed in the hope that it will be useful,
14 ;* but WITHOUT ANY WARRANTY; without even the implied warranty of
15 ;* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16 ;* GNU General Public License for more details.
18 ;* You should have received a copy of the GNU General Public License
19 ;* along with this program; if not, write to the Free Software
20 ;* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02111, USA.
22 ;* This program is also available under a commercial proprietary license.
23 ;* For more information, contact us at licensing@x264.com.
24 ;*****************************************************************************
30 error_message: db "failed to preserve register", 0
33 ; just random numbers to reduce the chance of incidental match
35 n4: dq 0xa77809bf11b239d1
36 n5: dq 0x2ba9bf3d2f05b389
37 x6: ddq 0x79445c159ce790641a1b2550a612b48c
38 x7: ddq 0x86b2536fcd8cf6362eed899d5a28ddcd
39 x8: ddq 0x3f2bf84fc0fcca4eb0856806085e7943
40 x9: ddq 0xd229e1f5b281303facbd382dcf5b8de2
41 x10: ddq 0xab63e2e11fa38ed971aeaff20b095fd9
42 x11: ddq 0x77d410d5c42c882d89b0c0765892729a
43 x12: ddq 0x24b3c1d2a024048bc45ea11a955d8dd5
44 x13: ddq 0xdd7b8919edd427862e8ec680de14b47c
45 x14: ddq 0x11e53e2b2ac655ef135ce6888fa02cbf
46 x15: ddq 0x6de8f4c914c334d5011ff554472a7a10
53 ; max number of args used by any x264 asm function.
54 ; (max_args % 4) must equal 3 for stack alignment
59 ;-----------------------------------------------------------------------------
60 ; intptr_t x264_checkasm_call( intptr_t (*func)(), int *ok, ... )
61 ;-----------------------------------------------------------------------------
63 cglobal checkasm_call, 4,7,16
65 %assign stack_offset stack_offset+max_args*8
67 mov [rsp+stack_offset+16], r1
70 mov r2d, r4m ; FIXME truncates pointer
71 mov r3d, r5m ; FIXME truncates pointer
74 mov r4, [rsp+stack_offset+8+(i+2)*8]
80 movdqa xmm %+ i, [x %+ i]
92 pxor xmm %+ i, [x %+ i]
101 lea r0, [error_message]
103 mov r1, [rsp+stack_offset+16]
108 %assign stack_offset stack_offset-max_args*8
111 %elifndef ARCH_X86_64
113 ; just random numbers to reduce the chance of incidental match
114 %define n3 dword 0x6549315c
115 %define n4 dword 0xe02f3e23
116 %define n5 dword 0xb78d0d1d
117 %define n6 dword 0x33627ba7
119 ;-----------------------------------------------------------------------------
120 ; intptr_t x264_checkasm_call( intptr_t (*func)(), int *ok, ... )
121 ;-----------------------------------------------------------------------------
122 cglobal checkasm_call, 1,7
128 push dword [esp+24+max_args*4]
141 lea r1, [error_message]
153 ;-----------------------------------------------------------------------------
154 ; int x264_stack_pagealign( int (*func)(), int align )
155 ;-----------------------------------------------------------------------------
156 cglobal stack_pagealign, 2,2