2 * check XMM registers for clobbers on Win64
3 * Copyright (c) 2008 Ramiro Polla <ramiro.polla@gmail.com>
5 * This file is part of FFmpeg.
7 * FFmpeg is free software; you can redistribute it and/or
8 * modify it under the terms of the GNU Lesser General Public
9 * License as published by the Free Software Foundation; either
10 * version 2.1 of the License, or (at your option) any later version.
12 * FFmpeg is distributed in the hope that it will be useful,
13 * but WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
15 * Lesser General Public License for more details.
17 * You should have received a copy of the GNU Lesser General Public
18 * License along with FFmpeg; if not, write to the Free Software
19 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
22 #ifndef AVUTIL_X86_W64XMMTEST_H
23 #define AVUTIL_X86_W64XMMTEST_H
31 #include "libavutil/bswap.h"
33 #define storexmmregs(mem) \
35 "movups %%xmm6 , 0x00(%0)\n\t" \
36 "movups %%xmm7 , 0x10(%0)\n\t" \
37 "movups %%xmm8 , 0x20(%0)\n\t" \
38 "movups %%xmm9 , 0x30(%0)\n\t" \
39 "movups %%xmm10, 0x40(%0)\n\t" \
40 "movups %%xmm11, 0x50(%0)\n\t" \
41 "movups %%xmm12, 0x60(%0)\n\t" \
42 "movups %%xmm13, 0x70(%0)\n\t" \
43 "movups %%xmm14, 0x80(%0)\n\t" \
44 "movups %%xmm15, 0x90(%0)\n\t" \
45 :: "r"(mem) : "memory")
47 #define testxmmclobbers(func, ctx, ...) \
48 uint64_t xmm[2][10][2]; \
50 storexmmregs(xmm[0]); \
51 ret = __real_ ## func(ctx, __VA_ARGS__); \
52 storexmmregs(xmm[1]); \
53 if (memcmp(xmm[0], xmm[1], sizeof(xmm[0]))) { \
55 av_log(ctx, AV_LOG_ERROR, \
56 "XMM REGS CLOBBERED IN %s!\n", #func); \
57 for (i = 0; i < 10; i ++) \
58 if (xmm[0][i][0] != xmm[1][i][0] || \
59 xmm[0][i][1] != xmm[1][i][1]) { \
60 av_log(ctx, AV_LOG_ERROR, \
61 "xmm%-2d = %016"PRIx64"%016"PRIx64"\n", \
62 6 + i, av_bswap64(xmm[0][i][0]), \
63 av_bswap64(xmm[0][i][1])); \
64 av_log(ctx, AV_LOG_ERROR, \
65 " -> %016"PRIx64"%016"PRIx64"\n", \
66 av_bswap64(xmm[1][i][0]), \
67 av_bswap64(xmm[1][i][1])); \
74 int __real_ ## func; \
75 int __wrap_ ## func; \
78 #endif /* AVUTIL_X86_W64XMMTEST_H */