Rename ffmpeg-4.2-fit to ffmpeg-4-fit

trunk/3rdparty/ffmpeg-4-fit/libavutil/x86/w64xmmtest.h

@@ -0,0 +1,78 @@
+/*
+ * 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 */