Rename libavcodec/i386/ --> libavcodec/x86/.

It contains optimizations that are not specific to i386 and
libavutil uses this naming scheme already.

Originally committed as revision 16270 to svn://svn.ffmpeg.org/ffmpeg/trunk

1 files changed, 1441 insertions, 0 deletions

diff --git a/libavcodec/x86/dsputilenc_mmx.c b/libavcodec/x86/dsputilenc_mmx.c
new file mode 100644
index 0000000000..76b367822b
--- /dev/null
+++ b/libavcodec/x86/dsputilenc_mmx.c
@@ -0,0 +1,1441 @@
+/*
+ * MMX optimized DSP utils
+ * Copyright (c) 2000, 2001 Fabrice Bellard.
+ * Copyright (c) 2002-2004 Michael Niedermayer <michaelni@gmx.at>
+ *
+ * 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
+ *
+ * MMX optimization by Nick Kurshev <nickols_k@mail.ru>
+ */
+
+#include "libavutil/x86_cpu.h"
+#include "libavcodec/dsputil.h"
+#include "libavcodec/mpegvideo.h"
+#include "dsputil_mmx.h"
+
+
+static void get_pixels_mmx(DCTELEM *block, const uint8_t *pixels, int line_size)
+{
+    __asm__ volatile(
+        "mov $-128, %%"REG_a"           \n\t"
+        "pxor %%mm7, %%mm7              \n\t"
+        ASMALIGN(4)
+        "1:                             \n\t"
+        "movq (%0), %%mm0               \n\t"
+        "movq (%0, %2), %%mm2           \n\t"
+        "movq %%mm0, %%mm1              \n\t"
+        "movq %%mm2, %%mm3              \n\t"
+        "punpcklbw %%mm7, %%mm0         \n\t"
+        "punpckhbw %%mm7, %%mm1         \n\t"
+        "punpcklbw %%mm7, %%mm2         \n\t"
+        "punpckhbw %%mm7, %%mm3         \n\t"
+        "movq %%mm0, (%1, %%"REG_a")    \n\t"
+        "movq %%mm1, 8(%1, %%"REG_a")   \n\t"
+        "movq %%mm2, 16(%1, %%"REG_a")  \n\t"
+        "movq %%mm3, 24(%1, %%"REG_a")  \n\t"
+        "add %3, %0                     \n\t"
+        "add $32, %%"REG_a"             \n\t"
+        "js 1b                          \n\t"
+        : "+r" (pixels)
+        : "r" (block+64), "r" ((x86_reg)line_size), "r" ((x86_reg)line_size*2)
+        : "%"REG_a
+    );
+}
+
+static void get_pixels_sse2(DCTELEM *block, const uint8_t *pixels, int line_size)
+{
+    __asm__ volatile(
+        "pxor %%xmm7,      %%xmm7         \n\t"
+        "movq (%0),        %%xmm0         \n\t"
+        "movq (%0, %2),    %%xmm1         \n\t"
+        "movq (%0, %2,2),  %%xmm2         \n\t"
+        "movq (%0, %3),    %%xmm3         \n\t"
+        "lea (%0,%2,4), %0                \n\t"
+        "punpcklbw %%xmm7, %%xmm0         \n\t"
+        "punpcklbw %%xmm7, %%xmm1         \n\t"
+        "punpcklbw %%xmm7, %%xmm2         \n\t"
+        "punpcklbw %%xmm7, %%xmm3         \n\t"
+        "movdqa %%xmm0,      (%1)         \n\t"
+        "movdqa %%xmm1,    16(%1)         \n\t"
+        "movdqa %%xmm2,    32(%1)         \n\t"
+        "movdqa %%xmm3,    48(%1)         \n\t"
+        "movq (%0),        %%xmm0         \n\t"
+        "movq (%0, %2),    %%xmm1         \n\t"
+        "movq (%0, %2,2),  %%xmm2         \n\t"
+        "movq (%0, %3),    %%xmm3         \n\t"
+        "punpcklbw %%xmm7, %%xmm0         \n\t"
+        "punpcklbw %%xmm7, %%xmm1         \n\t"
+        "punpcklbw %%xmm7, %%xmm2         \n\t"
+        "punpcklbw %%xmm7, %%xmm3         \n\t"
+        "movdqa %%xmm0,    64(%1)         \n\t"
+        "movdqa %%xmm1,    80(%1)         \n\t"
+        "movdqa %%xmm2,    96(%1)         \n\t"
+        "movdqa %%xmm3,   112(%1)         \n\t"
+        : "+r" (pixels)
+        : "r" (block), "r" ((x86_reg)line_size), "r" ((x86_reg)line_size*3)
+    );
+}
+
+static inline void diff_pixels_mmx(DCTELEM *block, const uint8_t *s1, const uint8_t *s2, int stride)
+{
+    __asm__ volatile(
+        "pxor %%mm7, %%mm7              \n\t"
+        "mov $-128, %%"REG_a"           \n\t"
+        ASMALIGN(4)
+        "1:                             \n\t"
+        "movq (%0), %%mm0               \n\t"
+        "movq (%1), %%mm2               \n\t"
+        "movq %%mm0, %%mm1              \n\t"
+        "movq %%mm2, %%mm3              \n\t"
+        "punpcklbw %%mm7, %%mm0         \n\t"
+        "punpckhbw %%mm7, %%mm1         \n\t"
+        "punpcklbw %%mm7, %%mm2         \n\t"
+        "punpckhbw %%mm7, %%mm3         \n\t"
+        "psubw %%mm2, %%mm0             \n\t"
+        "psubw %%mm3, %%mm1             \n\t"
+        "movq %%mm0, (%2, %%"REG_a")    \n\t"
+        "movq %%mm1, 8(%2, %%"REG_a")   \n\t"
+        "add %3, %0                     \n\t"
+        "add %3, %1                     \n\t"
+        "add $16, %%"REG_a"             \n\t"
+        "jnz 1b                         \n\t"
+        : "+r" (s1), "+r" (s2)
+        : "r" (block+64), "r" ((x86_reg)stride)
+        : "%"REG_a
+    );
+}
+
+static int pix_sum16_mmx(uint8_t * pix, int line_size){
+    const int h=16;
+    int sum;
+    x86_reg index= -line_size*h;
+
+    __asm__ volatile(
+                "pxor %%mm7, %%mm7              \n\t"
+                "pxor %%mm6, %%mm6              \n\t"
+                "1:                             \n\t"
+                "movq (%2, %1), %%mm0           \n\t"
+                "movq (%2, %1), %%mm1           \n\t"
+                "movq 8(%2, %1), %%mm2          \n\t"
+                "movq 8(%2, %1), %%mm3          \n\t"
+                "punpcklbw %%mm7, %%mm0         \n\t"
+                "punpckhbw %%mm7, %%mm1         \n\t"
+                "punpcklbw %%mm7, %%mm2         \n\t"
+                "punpckhbw %%mm7, %%mm3         \n\t"
+                "paddw %%mm0, %%mm1             \n\t"
+                "paddw %%mm2, %%mm3             \n\t"
+                "paddw %%mm1, %%mm3             \n\t"
+                "paddw %%mm3, %%mm6             \n\t"
+                "add %3, %1                     \n\t"
+                " js 1b                         \n\t"
+                "movq %%mm6, %%mm5              \n\t"
+                "psrlq $32, %%mm6               \n\t"
+                "paddw %%mm5, %%mm6             \n\t"
+                "movq %%mm6, %%mm5              \n\t"
+                "psrlq $16, %%mm6               \n\t"
+                "paddw %%mm5, %%mm6             \n\t"
+                "movd %%mm6, %0                 \n\t"
+                "andl $0xFFFF, %0               \n\t"
+                : "=&r" (sum), "+r" (index)
+                : "r" (pix - index), "r" ((x86_reg)line_size)
+        );
+
+        return sum;
+}
+
+static int pix_norm1_mmx(uint8_t *pix, int line_size) {
+    int tmp;
+  __asm__ volatile (
+      "movl $16,%%ecx\n"
+      "pxor %%mm0,%%mm0\n"
+      "pxor %%mm7,%%mm7\n"
+      "1:\n"
+      "movq (%0),%%mm2\n"       /* mm2 = pix[0-7] */
+      "movq 8(%0),%%mm3\n"      /* mm3 = pix[8-15] */
+
+      "movq %%mm2,%%mm1\n"      /* mm1 = mm2 = pix[0-7] */
+
+      "punpckhbw %%mm0,%%mm1\n" /* mm1 = [pix4-7] */
+      "punpcklbw %%mm0,%%mm2\n" /* mm2 = [pix0-3] */
+
+      "movq %%mm3,%%mm4\n"      /* mm4 = mm3 = pix[8-15] */
+      "punpckhbw %%mm0,%%mm3\n" /* mm3 = [pix12-15] */
+      "punpcklbw %%mm0,%%mm4\n" /* mm4 = [pix8-11] */
+
+      "pmaddwd %%mm1,%%mm1\n"   /* mm1 = (pix0^2+pix1^2,pix2^2+pix3^2) */
+      "pmaddwd %%mm2,%%mm2\n"   /* mm2 = (pix4^2+pix5^2,pix6^2+pix7^2) */
+
+      "pmaddwd %%mm3,%%mm3\n"
+      "pmaddwd %%mm4,%%mm4\n"
+
+      "paddd %%mm1,%%mm2\n"     /* mm2 = (pix0^2+pix1^2+pix4^2+pix5^2,
+                                          pix2^2+pix3^2+pix6^2+pix7^2) */
+      "paddd %%mm3,%%mm4\n"
+      "paddd %%mm2,%%mm7\n"
+
+      "add %2, %0\n"
+      "paddd %%mm4,%%mm7\n"
+      "dec %%ecx\n"
+      "jnz 1b\n"
+
+      "movq %%mm7,%%mm1\n"
+      "psrlq $32, %%mm7\n"      /* shift hi dword to lo */
+      "paddd %%mm7,%%mm1\n"
+      "movd %%mm1,%1\n"
+      : "+r" (pix), "=r"(tmp) : "r" ((x86_reg)line_size) : "%ecx" );
+    return tmp;
+}
+
+static int sse8_mmx(void *v, uint8_t * pix1, uint8_t * pix2, int line_size, int h) {
+    int tmp;
+  __asm__ volatile (
+      "movl %4,%%ecx\n"
+      "shr $1,%%ecx\n"
+      "pxor %%mm0,%%mm0\n"      /* mm0 = 0 */
+      "pxor %%mm7,%%mm7\n"      /* mm7 holds the sum */
+      "1:\n"
+      "movq (%0),%%mm1\n"       /* mm1 = pix1[0][0-7] */
+      "movq (%1),%%mm2\n"       /* mm2 = pix2[0][0-7] */
+      "movq (%0,%3),%%mm3\n"    /* mm3 = pix1[1][0-7] */
+      "movq (%1,%3),%%mm4\n"    /* mm4 = pix2[1][0-7] */
+
+      /* todo: mm1-mm2, mm3-mm4 */
+      /* algo: subtract mm1 from mm2 with saturation and vice versa */
+      /*       OR the results to get absolute difference */
+      "movq %%mm1,%%mm5\n"
+      "movq %%mm3,%%mm6\n"
+      "psubusb %%mm2,%%mm1\n"
+      "psubusb %%mm4,%%mm3\n"
+      "psubusb %%mm5,%%mm2\n"
+      "psubusb %%mm6,%%mm4\n"
+
+      "por %%mm1,%%mm2\n"
+      "por %%mm3,%%mm4\n"
+
+      /* now convert to 16-bit vectors so we can square them */
+      "movq %%mm2,%%mm1\n"
+      "movq %%mm4,%%mm3\n"
+
+      "punpckhbw %%mm0,%%mm2\n"
+      "punpckhbw %%mm0,%%mm4\n"
+      "punpcklbw %%mm0,%%mm1\n" /* mm1 now spread over (mm1,mm2) */
+      "punpcklbw %%mm0,%%mm3\n" /* mm4 now spread over (mm3,mm4) */
+
+      "pmaddwd %%mm2,%%mm2\n"
+      "pmaddwd %%mm4,%%mm4\n"
+      "pmaddwd %%mm1,%%mm1\n"
+      "pmaddwd %%mm3,%%mm3\n"
+
+      "lea (%0,%3,2), %0\n"     /* pix1 += 2*line_size */
+      "lea (%1,%3,2), %1\n"     /* pix2 += 2*line_size */
+
+      "paddd %%mm2,%%mm1\n"
+      "paddd %%mm4,%%mm3\n"
+      "paddd %%mm1,%%mm7\n"
+      "paddd %%mm3,%%mm7\n"
+
+      "decl %%ecx\n"
+      "jnz 1b\n"
+
+      "movq %%mm7,%%mm1\n"
+      "psrlq $32, %%mm7\n"      /* shift hi dword to lo */
+      "paddd %%mm7,%%mm1\n"
+      "movd %%mm1,%2\n"
+      : "+r" (pix1), "+r" (pix2), "=r"(tmp)
+      : "r" ((x86_reg)line_size) , "m" (h)
+      : "%ecx");
+    return tmp;
+}
+
+static int sse16_mmx(void *v, uint8_t * pix1, uint8_t * pix2, int line_size, int h) {
+    int tmp;
+  __asm__ volatile (
+      "movl %4,%%ecx\n"
+      "pxor %%mm0,%%mm0\n"      /* mm0 = 0 */
+      "pxor %%mm7,%%mm7\n"      /* mm7 holds the sum */
+      "1:\n"
+      "movq (%0),%%mm1\n"       /* mm1 = pix1[0-7] */
+      "movq (%1),%%mm2\n"       /* mm2 = pix2[0-7] */
+      "movq 8(%0),%%mm3\n"      /* mm3 = pix1[8-15] */
+      "movq 8(%1),%%mm4\n"      /* mm4 = pix2[8-15] */
+
+      /* todo: mm1-mm2, mm3-mm4 */
+      /* algo: subtract mm1 from mm2 with saturation and vice versa */
+      /*       OR the results to get absolute difference */
+      "movq %%mm1,%%mm5\n"
+      "movq %%mm3,%%mm6\n"
+      "psubusb %%mm2,%%mm1\n"
+      "psubusb %%mm4,%%mm3\n"
+      "psubusb %%mm5,%%mm2\n"
+      "psubusb %%mm6,%%mm4\n"
+
+      "por %%mm1,%%mm2\n"
+      "por %%mm3,%%mm4\n"
+
+      /* now convert to 16-bit vectors so we can square them */
+      "movq %%mm2,%%mm1\n"
+      "movq %%mm4,%%mm3\n"
+
+      "punpckhbw %%mm0,%%mm2\n"
+      "punpckhbw %%mm0,%%mm4\n"
+      "punpcklbw %%mm0,%%mm1\n" /* mm1 now spread over (mm1,mm2) */
+      "punpcklbw %%mm0,%%mm3\n" /* mm4 now spread over (mm3,mm4) */
+
+      "pmaddwd %%mm2,%%mm2\n"
+      "pmaddwd %%mm4,%%mm4\n"
+      "pmaddwd %%mm1,%%mm1\n"
+      "pmaddwd %%mm3,%%mm3\n"
+
+      "add %3,%0\n"
+      "add %3,%1\n"
+
+      "paddd %%mm2,%%mm1\n"
+      "paddd %%mm4,%%mm3\n"
+      "paddd %%mm1,%%mm7\n"
+      "paddd %%mm3,%%mm7\n"
+
+      "decl %%ecx\n"
+      "jnz 1b\n"
+
+      "movq %%mm7,%%mm1\n"
+      "psrlq $32, %%mm7\n"      /* shift hi dword to lo */
+      "paddd %%mm7,%%mm1\n"
+      "movd %%mm1,%2\n"
+      : "+r" (pix1), "+r" (pix2), "=r"(tmp)
+      : "r" ((x86_reg)line_size) , "m" (h)
+      : "%ecx");
+    return tmp;
+}
+
+static int sse16_sse2(void *v, uint8_t * pix1, uint8_t * pix2, int line_size, int h) {
+    int tmp;
+  __asm__ volatile (
+      "shr $1,%2\n"
+      "pxor %%xmm0,%%xmm0\n"    /* mm0 = 0 */
+      "pxor %%xmm7,%%xmm7\n"    /* mm7 holds the sum */
+      "1:\n"
+      "movdqu (%0),%%xmm1\n"    /* mm1 = pix1[0][0-15] */
+      "movdqu (%1),%%xmm2\n"    /* mm2 = pix2[0][0-15] */
+      "movdqu (%0,%4),%%xmm3\n" /* mm3 = pix1[1][0-15] */
+      "movdqu (%1,%4),%%xmm4\n" /* mm4 = pix2[1][0-15] */
+
+      /* todo: mm1-mm2, mm3-mm4 */
+      /* algo: subtract mm1 from mm2 with saturation and vice versa */
+      /*       OR the results to get absolute difference */
+      "movdqa %%xmm1,%%xmm5\n"
+      "movdqa %%xmm3,%%xmm6\n"
+      "psubusb %%xmm2,%%xmm1\n"
+      "psubusb %%xmm4,%%xmm3\n"
+      "psubusb %%xmm5,%%xmm2\n"
+      "psubusb %%xmm6,%%xmm4\n"
+
+      "por %%xmm1,%%xmm2\n"
+      "por %%xmm3,%%xmm4\n"
+
+      /* now convert to 16-bit vectors so we can square them */
+      "movdqa %%xmm2,%%xmm1\n"
+      "movdqa %%xmm4,%%xmm3\n"
+
+      "punpckhbw %%xmm0,%%xmm2\n"
+      "punpckhbw %%xmm0,%%xmm4\n"
+      "punpcklbw %%xmm0,%%xmm1\n"  /* mm1 now spread over (mm1,mm2) */
+      "punpcklbw %%xmm0,%%xmm3\n"  /* mm4 now spread over (mm3,mm4) */
+
+      "pmaddwd %%xmm2,%%xmm2\n"
+      "pmaddwd %%xmm4,%%xmm4\n"
+      "pmaddwd %%xmm1,%%xmm1\n"
+      "pmaddwd %%xmm3,%%xmm3\n"
+
+      "lea (%0,%4,2), %0\n"        /* pix1 += 2*line_size */
+      "lea (%1,%4,2), %1\n"        /* pix2 += 2*line_size */
+
+      "paddd %%xmm2,%%xmm1\n"
+      "paddd %%xmm4,%%xmm3\n"
+      "paddd %%xmm1,%%xmm7\n"
+      "paddd %%xmm3,%%xmm7\n"
+
+      "decl %2\n"
+      "jnz 1b\n"
+
+      "movdqa %%xmm7,%%xmm1\n"
+      "psrldq $8, %%xmm7\n"        /* shift hi qword to lo */
+      "paddd %%xmm1,%%xmm7\n"
+      "movdqa %%xmm7,%%xmm1\n"
+      "psrldq $4, %%xmm7\n"        /* shift hi dword to lo */
+      "paddd %%xmm1,%%xmm7\n"
+      "movd %%xmm7,%3\n"
+      : "+r" (pix1), "+r" (pix2), "+r"(h), "=r"(tmp)
+      : "r" ((x86_reg)line_size));
+    return tmp;
+}
+
+static int hf_noise8_mmx(uint8_t * pix1, int line_size, int h) {
+    int tmp;
+  __asm__ volatile (
+      "movl %3,%%ecx\n"
+      "pxor %%mm7,%%mm7\n"
+      "pxor %%mm6,%%mm6\n"
+
+      "movq (%0),%%mm0\n"
+      "movq %%mm0, %%mm1\n"
+      "psllq $8, %%mm0\n"
+      "psrlq $8, %%mm1\n"
+      "psrlq $8, %%mm0\n"
+      "movq %%mm0, %%mm2\n"
+      "movq %%mm1, %%mm3\n"
+      "punpcklbw %%mm7,%%mm0\n"
+      "punpcklbw %%mm7,%%mm1\n"
+      "punpckhbw %%mm7,%%mm2\n"
+      "punpckhbw %%mm7,%%mm3\n"
+      "psubw %%mm1, %%mm0\n"
+      "psubw %%mm3, %%mm2\n"
+
+      "add %2,%0\n"
+
+      "movq (%0),%%mm4\n"
+      "movq %%mm4, %%mm1\n"
+      "psllq $8, %%mm4\n"
+      "psrlq $8, %%mm1\n"
+      "psrlq $8, %%mm4\n"
+      "movq %%mm4, %%mm5\n"
+      "movq %%mm1, %%mm3\n"
+      "punpcklbw %%mm7,%%mm4\n"
+      "punpcklbw %%mm7,%%mm1\n"
+      "punpckhbw %%mm7,%%mm5\n"
+      "punpckhbw %%mm7,%%mm3\n"
+      "psubw %%mm1, %%mm4\n"
+      "psubw %%mm3, %%mm5\n"
+      "psubw %%mm4, %%mm0\n"
+      "psubw %%mm5, %%mm2\n"
+      "pxor %%mm3, %%mm3\n"
+      "pxor %%mm1, %%mm1\n"
+      "pcmpgtw %%mm0, %%mm3\n\t"
+      "pcmpgtw %%mm2, %%mm1\n\t"
+      "pxor %%mm3, %%mm0\n"
+      "pxor %%mm1, %%mm2\n"
+      "psubw %%mm3, %%mm0\n"
+      "psubw %%mm1, %%mm2\n"
+      "paddw %%mm0, %%mm2\n"
+      "paddw %%mm2, %%mm6\n"
+
+      "add %2,%0\n"
+      "1:\n"
+
+      "movq (%0),%%mm0\n"
+      "movq %%mm0, %%mm1\n"
+      "psllq $8, %%mm0\n"
+      "psrlq $8, %%mm1\n"
+      "psrlq $8, %%mm0\n"
+      "movq %%mm0, %%mm2\n"
+      "movq %%mm1, %%mm3\n"
+      "punpcklbw %%mm7,%%mm0\n"
+      "punpcklbw %%mm7,%%mm1\n"
+      "punpckhbw %%mm7,%%mm2\n"
+      "punpckhbw %%mm7,%%mm3\n"
+      "psubw %%mm1, %%mm0\n"
+      "psubw %%mm3, %%mm2\n"
+      "psubw %%mm0, %%mm4\n"
+      "psubw %%mm2, %%mm5\n"
+      "pxor %%mm3, %%mm3\n"
+      "pxor %%mm1, %%mm1\n"
+      "pcmpgtw %%mm4, %%mm3\n\t"
+      "pcmpgtw %%mm5, %%mm1\n\t"
+      "pxor %%mm3, %%mm4\n"
+      "pxor %%mm1, %%mm5\n"
+      "psubw %%mm3, %%mm4\n"
+      "psubw %%mm1, %%mm5\n"
+      "paddw %%mm4, %%mm5\n"
+      "paddw %%mm5, %%mm6\n"
+
+      "add %2,%0\n"
+
+      "movq (%0),%%mm4\n"
+      "movq %%mm4, %%mm1\n"
+      "psllq $8, %%mm4\n"
+      "psrlq $8, %%mm1\n"
+      "psrlq $8, %%mm4\n"
+      "movq %%mm4, %%mm5\n"
+      "movq %%mm1, %%mm3\n"
+      "punpcklbw %%mm7,%%mm4\n"
+      "punpcklbw %%mm7,%%mm1\n"
+      "punpckhbw %%mm7,%%mm5\n"
+      "punpckhbw %%mm7,%%mm3\n"
+      "psubw %%mm1, %%mm4\n"
+      "psubw %%mm3, %%mm5\n"
+      "psubw %%mm4, %%mm0\n"
+      "psubw %%mm5, %%mm2\n"
+      "pxor %%mm3, %%mm3\n"
+      "pxor %%mm1, %%mm1\n"
+      "pcmpgtw %%mm0, %%mm3\n\t"
+      "pcmpgtw %%mm2, %%mm1\n\t"
+      "pxor %%mm3, %%mm0\n"
+      "pxor %%mm1, %%mm2\n"
+      "psubw %%mm3, %%mm0\n"
+      "psubw %%mm1, %%mm2\n"
+      "paddw %%mm0, %%mm2\n"
+      "paddw %%mm2, %%mm6\n"
+
+      "add %2,%0\n"
+      "subl $2, %%ecx\n"
+      " jnz 1b\n"
+
+      "movq %%mm6, %%mm0\n"
+      "punpcklwd %%mm7,%%mm0\n"
+      "punpckhwd %%mm7,%%mm6\n"
+      "paddd %%mm0, %%mm6\n"
+
+      "movq %%mm6,%%mm0\n"
+      "psrlq $32, %%mm6\n"
+      "paddd %%mm6,%%mm0\n"
+      "movd %%mm0,%1\n"
+      : "+r" (pix1), "=r"(tmp)
+      : "r" ((x86_reg)line_size) , "g" (h-2)
+      : "%ecx");
+      return tmp;
+}
+
+static int hf_noise16_mmx(uint8_t * pix1, int line_size, int h) {
+    int tmp;
+    uint8_t * pix= pix1;
+  __asm__ volatile (
+      "movl %3,%%ecx\n"
+      "pxor %%mm7,%%mm7\n"
+      "pxor %%mm6,%%mm6\n"
+
+      "movq (%0),%%mm0\n"
+      "movq 1(%0),%%mm1\n"
+      "movq %%mm0, %%mm2\n"
+      "movq %%mm1, %%mm3\n"
+      "punpcklbw %%mm7,%%mm0\n"
+      "punpcklbw %%mm7,%%mm1\n"
+      "punpckhbw %%mm7,%%mm2\n"
+      "punpckhbw %%mm7,%%mm3\n"
+      "psubw %%mm1, %%mm0\n"
+      "psubw %%mm3, %%mm2\n"
+
+      "add %2,%0\n"
+
+      "movq (%0),%%mm4\n"
+      "movq 1(%0),%%mm1\n"
+      "movq %%mm4, %%mm5\n"
+      "movq %%mm1, %%mm3\n"
+      "punpcklbw %%mm7,%%mm4\n"
+      "punpcklbw %%mm7,%%mm1\n"
+      "punpckhbw %%mm7,%%mm5\n"
+      "punpckhbw %%mm7,%%mm3\n"
+      "psubw %%mm1, %%mm4\n"
+      "psubw %%mm3, %%mm5\n"
+      "psubw %%mm4, %%mm0\n"
+      "psubw %%mm5, %%mm2\n"
+      "pxor %%mm3, %%mm3\n"
+      "pxor %%mm1, %%mm1\n"
+      "pcmpgtw %%mm0, %%mm3\n\t"
+      "pcmpgtw %%mm2, %%mm1\n\t"
+      "pxor %%mm3, %%mm0\n"
+      "pxor %%mm1, %%mm2\n"
+      "psubw %%mm3, %%mm0\n"
+      "psubw %%mm1, %%mm2\n"
+      "paddw %%mm0, %%mm2\n"
+      "paddw %%mm2, %%mm6\n"
+
+      "add %2,%0\n"
+      "1:\n"
+
+      "movq (%0),%%mm0\n"
+      "movq 1(%0),%%mm1\n"
+      "movq %%mm0, %%mm2\n"
+      "movq %%mm1, %%mm3\n"
+      "punpcklbw %%mm7,%%mm0\n"
+      "punpcklbw %%mm7,%%mm1\n"
+      "punpckhbw %%mm7,%%mm2\n"
+      "punpckhbw %%mm7,%%mm3\n"
+      "psubw %%mm1, %%mm0\n"
+      "psubw %%mm3, %%mm2\n"
+      "psubw %%mm0, %%mm4\n"
+      "psubw %%mm2, %%mm5\n"
+      "pxor %%mm3, %%mm3\n"
+      "pxor %%mm1, %%mm1\n"
+      "pcmpgtw %%mm4, %%mm3\n\t"
+      "pcmpgtw %%mm5, %%mm1\n\t"
+      "pxor %%mm3, %%mm4\n"
+      "pxor %%mm1, %%mm5\n"
+      "psubw %%mm3, %%mm4\n"
+      "psubw %%mm1, %%mm5\n"
+      "paddw %%mm4, %%mm5\n"
+      "paddw %%mm5, %%mm6\n"
+
+      "add %2,%0\n"
+
+      "movq (%0),%%mm4\n"
+      "movq 1(%0),%%mm1\n"
+      "movq %%mm4, %%mm5\n"
+      "movq %%mm1, %%mm3\n"
+      "punpcklbw %%mm7,%%mm4\n"
+      "punpcklbw %%mm7,%%mm1\n"
+      "punpckhbw %%mm7,%%mm5\n"
+      "punpckhbw %%mm7,%%mm3\n"
+      "psubw %%mm1, %%mm4\n"
+      "psubw %%mm3, %%mm5\n"
+      "psubw %%mm4, %%mm0\n"
+      "psubw %%mm5, %%mm2\n"
+      "pxor %%mm3, %%mm3\n"
+      "pxor %%mm1, %%mm1\n"
+      "pcmpgtw %%mm0, %%mm3\n\t"
+      "pcmpgtw %%mm2, %%mm1\n\t"
+      "pxor %%mm3, %%mm0\n"
+      "pxor %%mm1, %%mm2\n"
+      "psubw %%mm3, %%mm0\n"
+      "psubw %%mm1, %%mm2\n"
+      "paddw %%mm0, %%mm2\n"
+      "paddw %%mm2, %%mm6\n"
+
+      "add %2,%0\n"
+      "subl $2, %%ecx\n"
+      " jnz 1b\n"
+
+      "movq %%mm6, %%mm0\n"
+      "punpcklwd %%mm7,%%mm0\n"
+      "punpckhwd %%mm7,%%mm6\n"
+      "paddd %%mm0, %%mm6\n"
+
+      "movq %%mm6,%%mm0\n"
+      "psrlq $32, %%mm6\n"
+      "paddd %%mm6,%%mm0\n"
+      "movd %%mm0,%1\n"
+      : "+r" (pix1), "=r"(tmp)
+      : "r" ((x86_reg)line_size) , "g" (h-2)
+      : "%ecx");
+      return tmp + hf_noise8_mmx(pix+8, line_size, h);
+}
+
+static int nsse16_mmx(void *p, uint8_t * pix1, uint8_t * pix2, int line_size, int h) {
+    MpegEncContext *c = p;
+    int score1, score2;
+
+    if(c) score1 = c->dsp.sse[0](c, pix1, pix2, line_size, h);
+    else  score1 = sse16_mmx(c, pix1, pix2, line_size, h);
+    score2= hf_noise16_mmx(pix1, line_size, h) - hf_noise16_mmx(pix2, line_size, h);
+
+    if(c) return score1 + FFABS(score2)*c->avctx->nsse_weight;
+    else  return score1 + FFABS(score2)*8;
+}
+
+static int nsse8_mmx(void *p, uint8_t * pix1, uint8_t * pix2, int line_size, int h) {
+    MpegEncContext *c = p;
+    int score1= sse8_mmx(c, pix1, pix2, line_size, h);
+    int score2= hf_noise8_mmx(pix1, line_size, h) - hf_noise8_mmx(pix2, line_size, h);
+
+    if(c) return score1 + FFABS(score2)*c->avctx->nsse_weight;
+    else  return score1 + FFABS(score2)*8;
+}
+
+static int vsad_intra16_mmx(void *v, uint8_t * pix, uint8_t * dummy, int line_size, int h) {
+    int tmp;
+
+    assert( (((int)pix) & 7) == 0);
+    assert((line_size &7) ==0);
+
+#define SUM(in0, in1, out0, out1) \
+      "movq (%0), %%mm2\n"\
+      "movq 8(%0), %%mm3\n"\
+      "add %2,%0\n"\
+      "movq %%mm2, " #out0 "\n"\
+      "movq %%mm3, " #out1 "\n"\
+      "psubusb " #in0 ", %%mm2\n"\
+      "psubusb " #in1 ", %%mm3\n"\
+      "psubusb " #out0 ", " #in0 "\n"\
+      "psubusb " #out1 ", " #in1 "\n"\
+      "por %%mm2, " #in0 "\n"\
+      "por %%mm3, " #in1 "\n"\
+      "movq " #in0 ", %%mm2\n"\
+      "movq " #in1 ", %%mm3\n"\
+      "punpcklbw %%mm7, " #in0 "\n"\
+      "punpcklbw %%mm7, " #in1 "\n"\
+      "punpckhbw %%mm7, %%mm2\n"\
+      "punpckhbw %%mm7, %%mm3\n"\
+      "paddw " #in1 ", " #in0 "\n"\
+      "paddw %%mm3, %%mm2\n"\
+      "paddw %%mm2, " #in0 "\n"\
+      "paddw " #in0 ", %%mm6\n"
+
+
+  __asm__ volatile (
+      "movl %3,%%ecx\n"
+      "pxor %%mm6,%%mm6\n"
+      "pxor %%mm7,%%mm7\n"
+      "movq (%0),%%mm0\n"
+      "movq 8(%0),%%mm1\n"
+      "add %2,%0\n"
+      "jmp 2f\n"
+      "1:\n"
+
+      SUM(%%mm4, %%mm5, %%mm0, %%mm1)
+      "2:\n"
+      SUM(%%mm0, %%mm1, %%mm4, %%mm5)
+
+      "subl $2, %%ecx\n"
+      "jnz 1b\n"
+
+      "movq %%mm6,%%mm0\n"
+      "psrlq $32, %%mm6\n"
+      "paddw %%mm6,%%mm0\n"
+      "movq %%mm0,%%mm6\n"
+      "psrlq $16, %%mm0\n"
+      "paddw %%mm6,%%mm0\n"
+      "movd %%mm0,%1\n"
+      : "+r" (pix), "=r"(tmp)
+      : "r" ((x86_reg)line_size) , "m" (h)
+      : "%ecx");
+    return tmp & 0xFFFF;
+}
+#undef SUM
+
+static int vsad_intra16_mmx2(void *v, uint8_t * pix, uint8_t * dummy, int line_size, int h) {
+    int tmp;
+
+    assert( (((int)pix) & 7) == 0);
+    assert((line_size &7) ==0);
+
+#define SUM(in0, in1, out0, out1) \
+      "movq (%0), " #out0 "\n"\
+      "movq 8(%0), " #out1 "\n"\
+      "add %2,%0\n"\
+      "psadbw " #out0 ", " #in0 "\n"\
+      "psadbw " #out1 ", " #in1 "\n"\
+      "paddw " #in1 ", " #in0 "\n"\
+      "paddw " #in0 ", %%mm6\n"
+
+  __asm__ volatile (
+      "movl %3,%%ecx\n"
+      "pxor %%mm6,%%mm6\n"
+      "pxor %%mm7,%%mm7\n"
+      "movq (%0),%%mm0\n"
+      "movq 8(%0),%%mm1\n"
+      "add %2,%0\n"
+      "jmp 2f\n"
+      "1:\n"
+
+      SUM(%%mm4, %%mm5, %%mm0, %%mm1)
+      "2:\n"
+      SUM(%%mm0, %%mm1, %%mm4, %%mm5)
+
+      "subl $2, %%ecx\n"
+      "jnz 1b\n"
+
+      "movd %%mm6,%1\n"
+      : "+r" (pix), "=r"(tmp)
+      : "r" ((x86_reg)line_size) , "m" (h)
+      : "%ecx");
+    return tmp;
+}
+#undef SUM
+
+static int vsad16_mmx(void *v, uint8_t * pix1, uint8_t * pix2, int line_size, int h) {
+    int tmp;
+
+    assert( (((int)pix1) & 7) == 0);
+    assert( (((int)pix2) & 7) == 0);
+    assert((line_size &7) ==0);
+
+#define SUM(in0, in1, out0, out1) \
+      "movq (%0),%%mm2\n"\
+      "movq (%1)," #out0 "\n"\
+      "movq 8(%0),%%mm3\n"\
+      "movq 8(%1)," #out1 "\n"\
+      "add %3,%0\n"\
+      "add %3,%1\n"\
+      "psubb " #out0 ", %%mm2\n"\
+      "psubb " #out1 ", %%mm3\n"\
+      "pxor %%mm7, %%mm2\n"\
+      "pxor %%mm7, %%mm3\n"\
+      "movq %%mm2, " #out0 "\n"\
+      "movq %%mm3, " #out1 "\n"\
+      "psubusb " #in0 ", %%mm2\n"\
+      "psubusb " #in1 ", %%mm3\n"\
+      "psubusb " #out0 ", " #in0 "\n"\
+      "psubusb " #out1 ", " #in1 "\n"\
+      "por %%mm2, " #in0 "\n"\
+      "por %%mm3, " #in1 "\n"\
+      "movq " #in0 ", %%mm2\n"\
+      "movq " #in1 ", %%mm3\n"\
+      "punpcklbw %%mm7, " #in0 "\n"\
+      "punpcklbw %%mm7, " #in1 "\n"\
+      "punpckhbw %%mm7, %%mm2\n"\
+      "punpckhbw %%mm7, %%mm3\n"\
+      "paddw " #in1 ", " #in0 "\n"\
+      "paddw %%mm3, %%mm2\n"\
+      "paddw %%mm2, " #in0 "\n"\
+      "paddw " #in0 ", %%mm6\n"
+
+
+  __asm__ volatile (
+      "movl %4,%%ecx\n"
+      "pxor %%mm6,%%mm6\n"
+      "pcmpeqw %%mm7,%%mm7\n"
+      "psllw $15, %%mm7\n"
+      "packsswb %%mm7, %%mm7\n"
+      "movq (%0),%%mm0\n"
+      "movq (%1),%%mm2\n"
+      "movq 8(%0),%%mm1\n"
+      "movq 8(%1),%%mm3\n"
+      "add %3,%0\n"
+      "add %3,%1\n"
+      "psubb %%mm2, %%mm0\n"
+      "psubb %%mm3, %%mm1\n"
+      "pxor %%mm7, %%mm0\n"
+      "pxor %%mm7, %%mm1\n"
+      "jmp 2f\n"
+      "1:\n"
+
+      SUM(%%mm4, %%mm5, %%mm0, %%mm1)
+      "2:\n"
+      SUM(%%mm0, %%mm1, %%mm4, %%mm5)
+
+      "subl $2, %%ecx\n"
+      "jnz 1b\n"
+
+      "movq %%mm6,%%mm0\n"
+      "psrlq $32, %%mm6\n"
+      "paddw %%mm6,%%mm0\n"
+      "movq %%mm0,%%mm6\n"
+      "psrlq $16, %%mm0\n"
+      "paddw %%mm6,%%mm0\n"
+      "movd %%mm0,%2\n"
+      : "+r" (pix1), "+r" (pix2), "=r"(tmp)
+      : "r" ((x86_reg)line_size) , "m" (h)
+      : "%ecx");
+    return tmp & 0x7FFF;
+}
+#undef SUM
+
+static int vsad16_mmx2(void *v, uint8_t * pix1, uint8_t * pix2, int line_size, int h) {
+    int tmp;
+
+    assert( (((int)pix1) & 7) == 0);
+    assert( (((int)pix2) & 7) == 0);
+    assert((line_size &7) ==0);
+
+#define SUM(in0, in1, out0, out1) \
+      "movq (%0)," #out0 "\n"\
+      "movq (%1),%%mm2\n"\
+      "movq 8(%0)," #out1 "\n"\
+      "movq 8(%1),%%mm3\n"\
+      "add %3,%0\n"\
+      "add %3,%1\n"\
+      "psubb %%mm2, " #out0 "\n"\
+      "psubb %%mm3, " #out1 "\n"\
+      "pxor %%mm7, " #out0 "\n"\
+      "pxor %%mm7, " #out1 "\n"\
+      "psadbw " #out0 ", " #in0 "\n"\
+      "psadbw " #out1 ", " #in1 "\n"\
+      "paddw " #in1 ", " #in0 "\n"\
+      "paddw " #in0 ", %%mm6\n"
+
+  __asm__ volatile (
+      "movl %4,%%ecx\n"
+      "pxor %%mm6,%%mm6\n"
+      "pcmpeqw %%mm7,%%mm7\n"
+      "psllw $15, %%mm7\n"
+      "packsswb %%mm7, %%mm7\n"
+      "movq (%0),%%mm0\n"
+      "movq (%1),%%mm2\n"
+      "movq 8(%0),%%mm1\n"
+      "movq 8(%1),%%mm3\n"
+      "add %3,%0\n"
+      "add %3,%1\n"
+      "psubb %%mm2, %%mm0\n"
+      "psubb %%mm3, %%mm1\n"
+      "pxor %%mm7, %%mm0\n"
+      "pxor %%mm7, %%mm1\n"
+      "jmp 2f\n"
+      "1:\n"
+
+      SUM(%%mm4, %%mm5, %%mm0, %%mm1)
+      "2:\n"
+      SUM(%%mm0, %%mm1, %%mm4, %%mm5)
+
+      "subl $2, %%ecx\n"
+      "jnz 1b\n"
+
+      "movd %%mm6,%2\n"
+      : "+r" (pix1), "+r" (pix2), "=r"(tmp)
+      : "r" ((x86_reg)line_size) , "m" (h)
+      : "%ecx");
+    return tmp;
+}
+#undef SUM
+
+static void diff_bytes_mmx(uint8_t *dst, uint8_t *src1, uint8_t *src2, int w){
+    x86_reg i=0;
+    __asm__ volatile(
+        "1:                             \n\t"
+        "movq  (%2, %0), %%mm0          \n\t"
+        "movq  (%1, %0), %%mm1          \n\t"
+        "psubb %%mm0, %%mm1             \n\t"
+        "movq %%mm1, (%3, %0)           \n\t"
+        "movq 8(%2, %0), %%mm0          \n\t"
+        "movq 8(%1, %0), %%mm1          \n\t"
+        "psubb %%mm0, %%mm1             \n\t"
+        "movq %%mm1, 8(%3, %0)          \n\t"
+        "add $16, %0                    \n\t"
+        "cmp %4, %0                     \n\t"
+        " jb 1b                         \n\t"
+        : "+r" (i)
+        : "r"(src1), "r"(src2), "r"(dst), "r"((x86_reg)w-15)
+    );
+    for(; i<w; i++)
+        dst[i+0] = src1[i+0]-src2[i+0];
+}
+
+static void sub_hfyu_median_prediction_mmx2(uint8_t *dst, uint8_t *src1, uint8_t *src2, int w, int *left, int *left_top){
+    x86_reg i=0;
+    uint8_t l, lt;
+
+    __asm__ volatile(
+        "1:                             \n\t"
+        "movq  -1(%1, %0), %%mm0        \n\t" // LT
+        "movq  (%1, %0), %%mm1          \n\t" // T
+        "movq  -1(%2, %0), %%mm2        \n\t" // L
+        "movq  (%2, %0), %%mm3          \n\t" // X
+        "movq %%mm2, %%mm4              \n\t" // L
+        "psubb %%mm0, %%mm2             \n\t"
+        "paddb %%mm1, %%mm2             \n\t" // L + T - LT
+        "movq %%mm4, %%mm5              \n\t" // L
+        "pmaxub %%mm1, %%mm4            \n\t" // max(T, L)
+        "pminub %%mm5, %%mm1            \n\t" // min(T, L)
+        "pminub %%mm2, %%mm4            \n\t"
+        "pmaxub %%mm1, %%mm4            \n\t"
+        "psubb %%mm4, %%mm3             \n\t" // dst - pred
+        "movq %%mm3, (%3, %0)           \n\t"
+        "add $8, %0                     \n\t"
+        "cmp %4, %0                     \n\t"
+        " jb 1b                         \n\t"
+        : "+r" (i)
+        : "r"(src1), "r"(src2), "r"(dst), "r"((x86_reg)w)
+    );
+
+    l= *left;
+    lt= *left_top;
+
+    dst[0]= src2[0] - mid_pred(l, src1[0], (l + src1[0] - lt)&0xFF);
+
+    *left_top= src1[w-1];
+    *left    = src2[w-1];
+}
+
+#define DIFF_PIXELS_1(m,a,t,p1,p2)\
+    "mov"#m" "#p1", "#a"              \n\t"\
+    "mov"#m" "#p2", "#t"              \n\t"\
+    "punpcklbw "#a", "#t"             \n\t"\
+    "punpcklbw "#a", "#a"             \n\t"\
+    "psubw     "#t", "#a"             \n\t"\
+
+#define DIFF_PIXELS_8(m0,m1,mm,p1,p2,stride,temp) {\
+    uint8_t *p1b=p1, *p2b=p2;\
+    __asm__ volatile(\
+        DIFF_PIXELS_1(m0, mm##0, mm##7, (%1), (%2))\
+        DIFF_PIXELS_1(m0, mm##1, mm##7, (%1,%3), (%2,%3))\
+        DIFF_PIXELS_1(m0, mm##2, mm##7, (%1,%3,2), (%2,%3,2))\
+        "add %4, %1                   \n\t"\
+        "add %4, %2                   \n\t"\
+        DIFF_PIXELS_1(m0, mm##3, mm##7, (%1), (%2))\
+        DIFF_PIXELS_1(m0, mm##4, mm##7, (%1,%3), (%2,%3))\
+        DIFF_PIXELS_1(m0, mm##5, mm##7, (%1,%3,2), (%2,%3,2))\
+        DIFF_PIXELS_1(m0, mm##6, mm##7, (%1,%4), (%2,%4))\
+        "mov"#m1" "#mm"0, %0          \n\t"\
+        DIFF_PIXELS_1(m0, mm##7, mm##0, (%1,%3,4), (%2,%3,4))\
+        "mov"#m1" %0, "#mm"0          \n\t"\
+        : "+m"(temp), "+r"(p1b), "+r"(p2b)\
+        : "r"((x86_reg)stride), "r"((x86_reg)stride*3)\
+    );\
+}
+    //the "+m"(temp) is needed as gcc 2.95 sometimes fails to compile "=m"(temp)
+
+#define DIFF_PIXELS_4x8(p1,p2,stride,temp) DIFF_PIXELS_8(d, q,   %%mm,  p1, p2, stride, temp)
+#define DIFF_PIXELS_8x8(p1,p2,stride,temp) DIFF_PIXELS_8(q, dqa, %%xmm, p1, p2, stride, temp)
+
+#define LBUTTERFLY2(a1,b1,a2,b2)\
+    "paddw " #b1 ", " #a1 "           \n\t"\
+    "paddw " #b2 ", " #a2 "           \n\t"\
+    "paddw " #b1 ", " #b1 "           \n\t"\
+    "paddw " #b2 ", " #b2 "           \n\t"\
+    "psubw " #a1 ", " #b1 "           \n\t"\
+    "psubw " #a2 ", " #b2 "           \n\t"
+
+#define HADAMARD8(m0, m1, m2, m3, m4, m5, m6, m7)\
+        LBUTTERFLY2(m0, m1, m2, m3)\
+        LBUTTERFLY2(m4, m5, m6, m7)\
+        LBUTTERFLY2(m0, m2, m1, m3)\
+        LBUTTERFLY2(m4, m6, m5, m7)\
+        LBUTTERFLY2(m0, m4, m1, m5)\
+        LBUTTERFLY2(m2, m6, m3, m7)\
+
+#define HADAMARD48 HADAMARD8(%%mm0, %%mm1, %%mm2, %%mm3, %%mm4, %%mm5, %%mm6, %%mm7)
+
+#define MMABS_MMX(a,z)\
+    "pxor " #z ", " #z "              \n\t"\
+    "pcmpgtw " #a ", " #z "           \n\t"\
+    "pxor " #z ", " #a "              \n\t"\
+    "psubw " #z ", " #a "             \n\t"
+
+#define MMABS_MMX2(a,z)\
+    "pxor " #z ", " #z "              \n\t"\
+    "psubw " #a ", " #z "             \n\t"\
+    "pmaxsw " #z ", " #a "            \n\t"
+
+#define MMABS_SSSE3(a,z)\
+    "pabsw " #a ", " #a "             \n\t"
+
+#define MMABS_SUM(a,z, sum)\
+    MMABS(a,z)\
+    "paddusw " #a ", " #sum "         \n\t"
+
+#define MMABS_SUM_8x8_NOSPILL\
+    MMABS(%%xmm0, %%xmm8)\
+    MMABS(%%xmm1, %%xmm9)\
+    MMABS_SUM(%%xmm2, %%xmm8, %%xmm0)\
+    MMABS_SUM(%%xmm3, %%xmm9, %%xmm1)\
+    MMABS_SUM(%%xmm4, %%xmm8, %%xmm0)\
+    MMABS_SUM(%%xmm5, %%xmm9, %%xmm1)\
+    MMABS_SUM(%%xmm6, %%xmm8, %%xmm0)\
+    MMABS_SUM(%%xmm7, %%xmm9, %%xmm1)\
+    "paddusw %%xmm1, %%xmm0           \n\t"
+
+#ifdef ARCH_X86_64
+#define MMABS_SUM_8x8_SSE2 MMABS_SUM_8x8_NOSPILL
+#else
+#define MMABS_SUM_8x8_SSE2\
+    "movdqa %%xmm7, (%1)              \n\t"\
+    MMABS(%%xmm0, %%xmm7)\
+    MMABS(%%xmm1, %%xmm7)\
+    MMABS_SUM(%%xmm2, %%xmm7, %%xmm0)\
+    MMABS_SUM(%%xmm3, %%xmm7, %%xmm1)\
+    MMABS_SUM(%%xmm4, %%xmm7, %%xmm0)\
+    MMABS_SUM(%%xmm5, %%xmm7, %%xmm1)\
+    MMABS_SUM(%%xmm6, %%xmm7, %%xmm0)\
+    "movdqa (%1), %%xmm2              \n\t"\
+    MMABS_SUM(%%xmm2, %%xmm7, %%xmm1)\
+    "paddusw %%xmm1, %%xmm0           \n\t"
+#endif
+
+/* FIXME: HSUM_* saturates at 64k, while an 8x8 hadamard or dct block can get up to
+ * about 100k on extreme inputs. But that's very unlikely to occur in natural video,
+ * and it's even more unlikely to not have any alternative mvs/modes with lower cost. */
+#define HSUM_MMX(a, t, dst)\
+    "movq "#a", "#t"                  \n\t"\
+    "psrlq $32, "#a"                  \n\t"\
+    "paddusw "#t", "#a"               \n\t"\
+    "movq "#a", "#t"                  \n\t"\
+    "psrlq $16, "#a"                  \n\t"\
+    "paddusw "#t", "#a"               \n\t"\
+    "movd "#a", "#dst"                \n\t"\
+
+#define HSUM_MMX2(a, t, dst)\
+    "pshufw $0x0E, "#a", "#t"         \n\t"\
+    "paddusw "#t", "#a"               \n\t"\
+    "pshufw $0x01, "#a", "#t"         \n\t"\
+    "paddusw "#t", "#a"               \n\t"\
+    "movd "#a", "#dst"                \n\t"\
+
+#define HSUM_SSE2(a, t, dst)\
+    "movhlps "#a", "#t"               \n\t"\
+    "paddusw "#t", "#a"               \n\t"\
+    "pshuflw $0x0E, "#a", "#t"        \n\t"\
+    "paddusw "#t", "#a"               \n\t"\
+    "pshuflw $0x01, "#a", "#t"        \n\t"\
+    "paddusw "#t", "#a"               \n\t"\
+    "movd "#a", "#dst"                \n\t"\
+
+#define HADAMARD8_DIFF_MMX(cpu) \
+static int hadamard8_diff_##cpu(void *s, uint8_t *src1, uint8_t *src2, int stride, int h){\
+    DECLARE_ALIGNED_8(uint64_t, temp[13]);\
+    int sum;\
+\
+    assert(h==8);\
+\
+    DIFF_PIXELS_4x8(src1, src2, stride, temp[0]);\
+\
+    __asm__ volatile(\
+        HADAMARD48\
+\
+        "movq %%mm7, 96(%1)             \n\t"\
+\
+        TRANSPOSE4(%%mm0, %%mm1, %%mm2, %%mm3, %%mm7)\
+        STORE4(8,  0(%1), %%mm0, %%mm3, %%mm7, %%mm2)\
+\
+        "movq 96(%1), %%mm7             \n\t"\
+        TRANSPOSE4(%%mm4, %%mm5, %%mm6, %%mm7, %%mm0)\
+        STORE4(8, 64(%1), %%mm4, %%mm7, %%mm0, %%mm6)\
+\
+        : "=r" (sum)\
+        : "r"(temp)\
+    );\
+\
+    DIFF_PIXELS_4x8(src1+4, src2+4, stride, temp[4]);\
+\
+    __asm__ volatile(\
+        HADAMARD48\
+\
+        "movq %%mm7, 96(%1)             \n\t"\
+\
+        TRANSPOSE4(%%mm0, %%mm1, %%mm2, %%mm3, %%mm7)\
+        STORE4(8, 32(%1), %%mm0, %%mm3, %%mm7, %%mm2)\
+\
+        "movq 96(%1), %%mm7             \n\t"\
+        TRANSPOSE4(%%mm4, %%mm5, %%mm6, %%mm7, %%mm0)\
+        "movq %%mm7, %%mm5              \n\t"/*FIXME remove*/\
+        "movq %%mm6, %%mm7              \n\t"\
+        "movq %%mm0, %%mm6              \n\t"\
+\
+        LOAD4(8, 64(%1), %%mm0, %%mm1, %%mm2, %%mm3)\
+\
+        HADAMARD48\
+        "movq %%mm7, 64(%1)             \n\t"\
+        MMABS(%%mm0, %%mm7)\
+        MMABS(%%mm1, %%mm7)\
+        MMABS_SUM(%%mm2, %%mm7, %%mm0)\
+        MMABS_SUM(%%mm3, %%mm7, %%mm1)\
+        MMABS_SUM(%%mm4, %%mm7, %%mm0)\
+        MMABS_SUM(%%mm5, %%mm7, %%mm1)\
+        MMABS_SUM(%%mm6, %%mm7, %%mm0)\
+        "movq 64(%1), %%mm2             \n\t"\
+        MMABS_SUM(%%mm2, %%mm7, %%mm1)\
+        "paddusw %%mm1, %%mm0           \n\t"\
+        "movq %%mm0, 64(%1)             \n\t"\
+\
+        LOAD4(8,  0(%1), %%mm0, %%mm1, %%mm2, %%mm3)\
+        LOAD4(8, 32(%1), %%mm4, %%mm5, %%mm6, %%mm7)\
+\
+        HADAMARD48\
+        "movq %%mm7, (%1)               \n\t"\
+        MMABS(%%mm0, %%mm7)\
+        MMABS(%%mm1, %%mm7)\
+        MMABS_SUM(%%mm2, %%mm7, %%mm0)\
+        MMABS_SUM(%%mm3, %%mm7, %%mm1)\
+        MMABS_SUM(%%mm4, %%mm7, %%mm0)\
+        MMABS_SUM(%%mm5, %%mm7, %%mm1)\
+        MMABS_SUM(%%mm6, %%mm7, %%mm0)\
+        "movq (%1), %%mm2               \n\t"\
+        MMABS_SUM(%%mm2, %%mm7, %%mm1)\
+        "paddusw 64(%1), %%mm0          \n\t"\
+        "paddusw %%mm1, %%mm0           \n\t"\
+\
+        HSUM(%%mm0, %%mm1, %0)\
+\
+        : "=r" (sum)\
+        : "r"(temp)\
+    );\
+    return sum&0xFFFF;\
+}\
+WRAPPER8_16_SQ(hadamard8_diff_##cpu, hadamard8_diff16_##cpu)
+
+#define HADAMARD8_DIFF_SSE2(cpu) \
+static int hadamard8_diff_##cpu(void *s, uint8_t *src1, uint8_t *src2, int stride, int h){\
+    DECLARE_ALIGNED_16(uint64_t, temp[4]);\
+    int sum;\
+\
+    assert(h==8);\
+\
+    DIFF_PIXELS_8x8(src1, src2, stride, temp[0]);\
+\
+    __asm__ volatile(\
+        HADAMARD8(%%xmm0, %%xmm1, %%xmm2, %%xmm3, %%xmm4, %%xmm5, %%xmm6, %%xmm7)\
+        TRANSPOSE8(%%xmm0, %%xmm1, %%xmm2, %%xmm3, %%xmm4, %%xmm5, %%xmm6, %%xmm7, (%1))\
+        HADAMARD8(%%xmm0, %%xmm5, %%xmm7, %%xmm3, %%xmm6, %%xmm4, %%xmm2, %%xmm1)\
+        MMABS_SUM_8x8\
+        HSUM_SSE2(%%xmm0, %%xmm1, %0)\
+        : "=r" (sum)\
+        : "r"(temp)\
+    );\
+    return sum&0xFFFF;\
+}\
+WRAPPER8_16_SQ(hadamard8_diff_##cpu, hadamard8_diff16_##cpu)
+
+#define MMABS(a,z)         MMABS_MMX(a,z)
+#define HSUM(a,t,dst)      HSUM_MMX(a,t,dst)
+HADAMARD8_DIFF_MMX(mmx)
+#undef MMABS
+#undef HSUM
+
+#define MMABS(a,z)         MMABS_MMX2(a,z)
+#define MMABS_SUM_8x8      MMABS_SUM_8x8_SSE2
+#define HSUM(a,t,dst)      HSUM_MMX2(a,t,dst)
+HADAMARD8_DIFF_MMX(mmx2)
+HADAMARD8_DIFF_SSE2(sse2)
+#undef MMABS
+#undef MMABS_SUM_8x8
+#undef HSUM
+
+#ifdef HAVE_SSSE3
+#define MMABS(a,z)         MMABS_SSSE3(a,z)
+#define MMABS_SUM_8x8      MMABS_SUM_8x8_NOSPILL
+HADAMARD8_DIFF_SSE2(ssse3)
+#undef MMABS
+#undef MMABS_SUM_8x8
+#endif
+
+#define DCT_SAD4(m,mm,o)\
+    "mov"#m" "#o"+ 0(%1), "#mm"2      \n\t"\
+    "mov"#m" "#o"+16(%1), "#mm"3      \n\t"\
+    "mov"#m" "#o"+32(%1), "#mm"4      \n\t"\
+    "mov"#m" "#o"+48(%1), "#mm"5      \n\t"\
+    MMABS_SUM(mm##2, mm##6, mm##0)\
+    MMABS_SUM(mm##3, mm##7, mm##1)\
+    MMABS_SUM(mm##4, mm##6, mm##0)\
+    MMABS_SUM(mm##5, mm##7, mm##1)\
+
+#define DCT_SAD_MMX\
+    "pxor %%mm0, %%mm0                \n\t"\
+    "pxor %%mm1, %%mm1                \n\t"\
+    DCT_SAD4(q, %%mm, 0)\
+    DCT_SAD4(q, %%mm, 8)\
+    DCT_SAD4(q, %%mm, 64)\
+    DCT_SAD4(q, %%mm, 72)\
+    "paddusw %%mm1, %%mm0             \n\t"\
+    HSUM(%%mm0, %%mm1, %0)
+
+#define DCT_SAD_SSE2\
+    "pxor %%xmm0, %%xmm0              \n\t"\
+    "pxor %%xmm1, %%xmm1              \n\t"\
+    DCT_SAD4(dqa, %%xmm, 0)\
+    DCT_SAD4(dqa, %%xmm, 64)\
+    "paddusw %%xmm1, %%xmm0           \n\t"\
+    HSUM(%%xmm0, %%xmm1, %0)
+
+#define DCT_SAD_FUNC(cpu) \
+static int sum_abs_dctelem_##cpu(DCTELEM *block){\
+    int sum;\
+    __asm__ volatile(\
+        DCT_SAD\
+        :"=r"(sum)\
+        :"r"(block)\
+    );\
+    return sum&0xFFFF;\
+}
+
+#define DCT_SAD       DCT_SAD_MMX
+#define HSUM(a,t,dst) HSUM_MMX(a,t,dst)
+#define MMABS(a,z)    MMABS_MMX(a,z)
+DCT_SAD_FUNC(mmx)
+#undef MMABS
+#undef HSUM
+
+#define HSUM(a,t,dst) HSUM_MMX2(a,t,dst)
+#define MMABS(a,z)    MMABS_MMX2(a,z)
+DCT_SAD_FUNC(mmx2)
+#undef HSUM
+#undef DCT_SAD
+
+#define DCT_SAD       DCT_SAD_SSE2
+#define HSUM(a,t,dst) HSUM_SSE2(a,t,dst)
+DCT_SAD_FUNC(sse2)
+#undef MMABS
+
+#ifdef HAVE_SSSE3
+#define MMABS(a,z)    MMABS_SSSE3(a,z)
+DCT_SAD_FUNC(ssse3)
+#undef MMABS
+#endif
+#undef HSUM
+#undef DCT_SAD
+
+static int ssd_int8_vs_int16_mmx(const int8_t *pix1, const int16_t *pix2, int size){
+    int sum;
+    x86_reg i=size;
+    __asm__ volatile(
+        "pxor %%mm4, %%mm4 \n"
+        "1: \n"
+        "sub $8, %0 \n"
+        "movq (%2,%0), %%mm2 \n"
+        "movq (%3,%0,2), %%mm0 \n"
+        "movq 8(%3,%0,2), %%mm1 \n"
+        "punpckhbw %%mm2, %%mm3 \n"
+        "punpcklbw %%mm2, %%mm2 \n"
+        "psraw $8, %%mm3 \n"
+        "psraw $8, %%mm2 \n"
+        "psubw %%mm3, %%mm1 \n"
+        "psubw %%mm2, %%mm0 \n"
+        "pmaddwd %%mm1, %%mm1 \n"
+        "pmaddwd %%mm0, %%mm0 \n"
+        "paddd %%mm1, %%mm4 \n"
+        "paddd %%mm0, %%mm4 \n"
+        "jg 1b \n"
+        "movq %%mm4, %%mm3 \n"
+        "psrlq $32, %%mm3 \n"
+        "paddd %%mm3, %%mm4 \n"
+        "movd %%mm4, %1 \n"
+        :"+r"(i), "=r"(sum)
+        :"r"(pix1), "r"(pix2)
+    );
+    return sum;
+}
+
+#define PHADDD(a, t)\
+    "movq "#a", "#t"                  \n\t"\
+    "psrlq $32, "#a"                  \n\t"\
+    "paddd "#t", "#a"                 \n\t"
+/*
+   pmulhw: dst[0-15]=(src[0-15]*dst[0-15])[16-31]
+   pmulhrw: dst[0-15]=(src[0-15]*dst[0-15] + 0x8000)[16-31]
+   pmulhrsw: dst[0-15]=(src[0-15]*dst[0-15] + 0x4000)[15-30]
+ */
+#define PMULHRW(x, y, s, o)\
+    "pmulhw " #s ", "#x "            \n\t"\
+    "pmulhw " #s ", "#y "            \n\t"\
+    "paddw " #o ", "#x "             \n\t"\
+    "paddw " #o ", "#y "             \n\t"\
+    "psraw $1, "#x "                 \n\t"\
+    "psraw $1, "#y "                 \n\t"
+#define DEF(x) x ## _mmx
+#define SET_RND MOVQ_WONE
+#define SCALE_OFFSET 1
+
+#include "dsputil_mmx_qns_template.c"
+
+#undef DEF
+#undef SET_RND
+#undef SCALE_OFFSET
+#undef PMULHRW
+
+#define DEF(x) x ## _3dnow
+#define SET_RND(x)
+#define SCALE_OFFSET 0
+#define PMULHRW(x, y, s, o)\
+    "pmulhrw " #s ", "#x "           \n\t"\
+    "pmulhrw " #s ", "#y "           \n\t"
+
+#include "dsputil_mmx_qns_template.c"
+
+#undef DEF
+#undef SET_RND
+#undef SCALE_OFFSET
+#undef PMULHRW
+
+#ifdef HAVE_SSSE3
+#undef PHADDD
+#define DEF(x) x ## _ssse3
+#define SET_RND(x)
+#define SCALE_OFFSET -1
+#define PHADDD(a, t)\
+    "pshufw $0x0E, "#a", "#t"         \n\t"\
+    "paddd "#t", "#a"                 \n\t" /* faster than phaddd on core2 */
+#define PMULHRW(x, y, s, o)\
+    "pmulhrsw " #s ", "#x "          \n\t"\
+    "pmulhrsw " #s ", "#y "          \n\t"
+
+#include "dsputil_mmx_qns_template.c"
+
+#undef DEF
+#undef SET_RND
+#undef SCALE_OFFSET
+#undef PMULHRW
+#undef PHADDD
+#endif //HAVE_SSSE3
+
+
+/* FLAC specific */
+void ff_flac_compute_autocorr_sse2(const int32_t *data, int len, int lag,
+                                   double *autoc);
+
+
+void dsputilenc_init_mmx(DSPContext* c, AVCodecContext *avctx)
+{
+    if (mm_flags & FF_MM_MMX) {
+        const int dct_algo = avctx->dct_algo;
+        if(dct_algo==FF_DCT_AUTO || dct_algo==FF_DCT_MMX){
+            if(mm_flags & FF_MM_SSE2){
+                c->fdct = ff_fdct_sse2;
+            }else if(mm_flags & FF_MM_MMXEXT){
+                c->fdct = ff_fdct_mmx2;
+            }else{
+                c->fdct = ff_fdct_mmx;
+            }
+        }
+
+        c->get_pixels = get_pixels_mmx;
+        c->diff_pixels = diff_pixels_mmx;
+        c->pix_sum = pix_sum16_mmx;
+
+        c->diff_bytes= diff_bytes_mmx;
+        c->sum_abs_dctelem= sum_abs_dctelem_mmx;
+
+        c->hadamard8_diff[0]= hadamard8_diff16_mmx;
+        c->hadamard8_diff[1]= hadamard8_diff_mmx;
+
+        c->pix_norm1 = pix_norm1_mmx;
+        c->sse[0] = (mm_flags & FF_MM_SSE2) ? sse16_sse2 : sse16_mmx;
+          c->sse[1] = sse8_mmx;
+        c->vsad[4]= vsad_intra16_mmx;
+
+        c->nsse[0] = nsse16_mmx;
+        c->nsse[1] = nsse8_mmx;
+        if(!(avctx->flags & CODEC_FLAG_BITEXACT)){
+            c->vsad[0] = vsad16_mmx;
+        }
+
+        if(!(avctx->flags & CODEC_FLAG_BITEXACT)){
+            c->try_8x8basis= try_8x8basis_mmx;
+        }
+        c->add_8x8basis= add_8x8basis_mmx;
+
+        c->ssd_int8_vs_int16 = ssd_int8_vs_int16_mmx;
+
+
+        if (mm_flags & FF_MM_MMXEXT) {
+            c->sum_abs_dctelem= sum_abs_dctelem_mmx2;
+            c->hadamard8_diff[0]= hadamard8_diff16_mmx2;
+            c->hadamard8_diff[1]= hadamard8_diff_mmx2;
+            c->vsad[4]= vsad_intra16_mmx2;
+
+            if(!(avctx->flags & CODEC_FLAG_BITEXACT)){
+                c->vsad[0] = vsad16_mmx2;
+            }
+
+            c->sub_hfyu_median_prediction= sub_hfyu_median_prediction_mmx2;
+        }
+
+        if(mm_flags & FF_MM_SSE2){
+            c->get_pixels = get_pixels_sse2;
+            c->sum_abs_dctelem= sum_abs_dctelem_sse2;
+            c->hadamard8_diff[0]= hadamard8_diff16_sse2;
+            c->hadamard8_diff[1]= hadamard8_diff_sse2;
+            if (ENABLE_FLAC_ENCODER)
+                c->flac_compute_autocorr = ff_flac_compute_autocorr_sse2;
+        }
+
+#ifdef HAVE_SSSE3
+        if(mm_flags & FF_MM_SSSE3){
+            if(!(avctx->flags & CODEC_FLAG_BITEXACT)){
+                c->try_8x8basis= try_8x8basis_ssse3;
+            }
+            c->add_8x8basis= add_8x8basis_ssse3;
+            c->sum_abs_dctelem= sum_abs_dctelem_ssse3;
+            c->hadamard8_diff[0]= hadamard8_diff16_ssse3;
+            c->hadamard8_diff[1]= hadamard8_diff_ssse3;
+        }
+#endif
+
+        if(mm_flags & FF_MM_3DNOW){
+            if(!(avctx->flags & CODEC_FLAG_BITEXACT)){
+                c->try_8x8basis= try_8x8basis_3dnow;
+            }
+            c->add_8x8basis= add_8x8basis_3dnow;
+        }
+    }
+
+    dsputil_init_pix_mmx(c, avctx);
+}