mirror of https://github.com/FFmpeg/FFmpeg.git
You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
78 lines
3.3 KiB
78 lines
3.3 KiB
/* |
|
* check XMM registers for clobbers on Win64 |
|
* Copyright (c) 2008 Ramiro Polla <ramiro.polla@gmail.com> |
|
* |
|
* This file is part of FFmpeg. |
|
* |
|
* FFmpeg 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. |
|
* |
|
* FFmpeg 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 FFmpeg; if not, write to the Free Software |
|
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA |
|
*/ |
|
|
|
#ifndef AVUTIL_X86_W64XMMTEST_H |
|
#define AVUTIL_X86_W64XMMTEST_H |
|
|
|
#include <inttypes.h> |
|
#include <stdint.h> |
|
#include <stdlib.h> |
|
#include <stdarg.h> |
|
#include <string.h> |
|
|
|
#include "libavutil/bswap.h" |
|
|
|
#define storexmmregs(mem) \ |
|
__asm__ volatile( \ |
|
"movups %%xmm6 , 0x00(%0)\n\t" \ |
|
"movups %%xmm7 , 0x10(%0)\n\t" \ |
|
"movups %%xmm8 , 0x20(%0)\n\t" \ |
|
"movups %%xmm9 , 0x30(%0)\n\t" \ |
|
"movups %%xmm10, 0x40(%0)\n\t" \ |
|
"movups %%xmm11, 0x50(%0)\n\t" \ |
|
"movups %%xmm12, 0x60(%0)\n\t" \ |
|
"movups %%xmm13, 0x70(%0)\n\t" \ |
|
"movups %%xmm14, 0x80(%0)\n\t" \ |
|
"movups %%xmm15, 0x90(%0)\n\t" \ |
|
:: "r"(mem) : "memory") |
|
|
|
#define testxmmclobbers(func, ctx, ...) \ |
|
uint64_t xmm[2][10][2]; \ |
|
int ret; \ |
|
storexmmregs(xmm[0]); \ |
|
ret = __real_ ## func(ctx, __VA_ARGS__); \ |
|
storexmmregs(xmm[1]); \ |
|
if (memcmp(xmm[0], xmm[1], sizeof(xmm[0]))) { \ |
|
int i; \ |
|
av_log(ctx, AV_LOG_ERROR, \ |
|
"XMM REGS CLOBBERED IN %s!\n", #func); \ |
|
for (i = 0; i < 10; i ++) \ |
|
if (xmm[0][i][0] != xmm[1][i][0] || \ |
|
xmm[0][i][1] != xmm[1][i][1]) { \ |
|
av_log(ctx, AV_LOG_ERROR, \ |
|
"xmm%-2d = %016"PRIx64"%016"PRIx64"\n", \ |
|
6 + i, av_bswap64(xmm[0][i][0]), \ |
|
av_bswap64(xmm[0][i][1])); \ |
|
av_log(ctx, AV_LOG_ERROR, \ |
|
" -> %016"PRIx64"%016"PRIx64"\n", \ |
|
av_bswap64(xmm[1][i][0]), \ |
|
av_bswap64(xmm[1][i][1])); \ |
|
} \ |
|
abort(); \ |
|
} \ |
|
return ret |
|
|
|
#define wrap(func) \ |
|
int __real_ ## func; \ |
|
int __wrap_ ## func; \ |
|
int __wrap_ ## func |
|
|
|
#endif /* AVUTIL_X86_W64XMMTEST_H */
|
|
|