//Portions Copyright (c)  2008-2009 Nokia Corporation and/or its subsidiary(-ies). All rights reserved. 

 /*

 Copyright 2002,2003,2004,2005 David A. Schleef <ds@schleef.org>

   All rights reserved.

   Redistribution and use in source and binary forms, with or without

   modification, are permitted provided that the following conditions

   are met:

   1. Redistributions of source code must retain the above copyright

      notice, this list of conditions and the following disclaimer.

   2. Redistributions in binary form must reproduce the above copyright

      notice, this list of conditions and the following disclaimer in the

      documentation and/or other materials provided with the distribution.

   THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR

   IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED

   WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE

   ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT,

   INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES

   (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR

   SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)

   HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,

   STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING

   IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE

   POSSIBILITY OF SUCH DAMAGE.

 */

 #include <liboil/liboilfunction.h>

 #include <liboil/liboilclasses.h>

 void

 split_53_nomix (int16_t *d_2xn, int16_t *s_2xn, int n)

 {

   int i;

   if (n == 0) return;

   /* predict */

   for(i=1;i<n*2-2;i+=2){

     d_2xn[i] = s_2xn[i] - ((s_2xn[i-1] + s_2xn[i+1]) >> 1);

   }

   d_2xn[n*2-1] = s_2xn[n*2-1] - s_2xn[n*2-2];

   /* update */

   d_2xn[0] = s_2xn[0] + (d_2xn[1] >> 1);

   for(i=2;i<n*2;i+=2){

     d_2xn[i] = s_2xn[i] + ((d_2xn[i-1] + d_2xn[i+1]) >> 2);

   }

 } 

 OIL_DEFINE_IMPL (split_53_nomix, split_53);

 #if 0

 void

 synth_53_nomix (int16_t *d_2xn, int16_t *s_2xn, int n)

 { 

   int i;

   /* predict */ 

   i_n[0] -= i_n[1] >> 1;

   for(i=2;i<n*2;i+=2){

     i_n[i] -= (i_n[i-1] + i_n[i+1]) >> 2;

   }

   /* update */

   for(i=1;i<n*2-2;i+=2){

     i_n[i] += (i_n[i+1] + i_n[i-1]) >> 1;

   }

   i_n[n*2-1] += i_n[n*2-2];

 }

 #endif

 void

 split_53_c (int16_t *d_2xn, int16_t *s_2xn, int n)

 {

   int i;

   if (n == 0) return;

   if (n == 1) {

     d_2xn[1] = s_2xn[1] - s_2xn[0];

     d_2xn[0] = s_2xn[0] + (d_2xn[1] >> 1);

   } else {

     d_2xn[1] = s_2xn[1] - ((s_2xn[0] + s_2xn[2]) >> 1);

     d_2xn[0] = s_2xn[0] + (d_2xn[1] >> 1);

     d_2xn+=2;

     s_2xn+=2;

     for(i=0;i<(n*2-4)/2;i++){

       d_2xn[1] = s_2xn[1] - ((s_2xn[0] + s_2xn[2]) >> 1);

       d_2xn[0] = s_2xn[0] + ((d_2xn[-1] + d_2xn[1]) >> 2);

       d_2xn+=2;

       s_2xn+=2;

     }

     d_2xn[1] = s_2xn[1] - s_2xn[0];

     d_2xn[0] = s_2xn[0] + ((d_2xn[-1] + d_2xn[1]) >> 2);

   }

 }

 OIL_DEFINE_IMPL (split_53_c, split_53);

 void

 synth_53_c (int16_t *d_2xn, int16_t *s_2xn, int n)

 {

   int i;

   if (n == 0) return;

   if (n == 1) {

     d_2xn[0] = s_2xn[0] - (s_2xn[1] >> 1);

     d_2xn[1] = s_2xn[1] + d_2xn[0];

   } else {

     d_2xn[0] = s_2xn[0] - (s_2xn[1] >> 1);

     for(i=2;i<n*2-2;i+=2){

       d_2xn[i] = s_2xn[i] - ((s_2xn[i-1] + s_2xn[i+1]) >> 2);

       d_2xn[i-1] = s_2xn[i-1] + ((d_2xn[i] + d_2xn[i-2]) >> 1);

     }

     d_2xn[n*2-2] = s_2xn[n*2-2] - ((s_2xn[n*2-3] + s_2xn[n*2-1]) >> 2);

     d_2xn[n*2-3] = s_2xn[n*2-3] + ((d_2xn[n*2-2] + d_2xn[n*2-4]) >> 1);

     d_2xn[n*2-1] = s_2xn[n*2-1] + d_2xn[n*2-2];

   }

 }

 OIL_DEFINE_IMPL (synth_53_c, synth_53);

 void

 deinterleave2_c_1 (int16_t *d1, int16_t *d2, int16_t *s_2xn, int n)

 {

   int i;

   for(i=0;i<n;i++) {

     d1[i] = s_2xn[2*i];

     d2[i] = s_2xn[2*i + 1];

   }

 }

 OIL_DEFINE_IMPL (deinterleave2_c_1, deinterleave2_s16);

 void

 deinterleave2_asm (int16_t *d1, int16_t *d2, int16_t *s_2xn, int n)

 {

   if (n == 0) return;

   while (n&1) {

     d1[0] = s_2xn[0];

     d2[0] = s_2xn[1];

     d1++;

     d2++;

     s_2xn+=2;

     n--;

   }

   asm volatile ("\n"

       "  mov %3, %%ecx\n"

       "  sub $2, %%ecx\n"

       "1:\n"

       "  movw (%1,%%ecx,4), %%ax\n"

       "  movw %%ax, (%0,%%ecx,2)\n"

       "  movw 2(%1,%%ecx,4), %%ax\n"

       "  movw %%ax, (%2,%%ecx,2)\n"

       "  movw 4(%1,%%ecx,4), %%ax\n"

       "  movw %%ax, 2(%0,%%ecx,2)\n"

       "  movw 6(%1,%%ecx,4), %%ax\n"

       "  movw %%ax, 2(%2,%%ecx,2)\n"

       "  sub $2, %%ecx\n"

       "  jge 1b\n"

       : "+r" (d1), "+r" (s_2xn), "+r" (d2)

       : "m" (n)

       : "eax", "ecx");

 }

 OIL_DEFINE_IMPL (deinterleave2_asm, deinterleave2_s16);

 void

 deinterleave2_mmx (int16_t *d1, int16_t *d2, int16_t *s_2xn, int n)

 {

   while (n&3) {

     d1[0] = s_2xn[0];

     d2[0] = s_2xn[1];

     d1++;

     d2++;

     s_2xn+=2;

     n--;

   }

   if (n==0) return;

   asm volatile ("\n"

       "  xor %%ecx, %%ecx\n"

       "1:\n"

       "  movq (%1,%%ecx,4), %%mm0\n"

       "  movq 8(%1,%%ecx,4), %%mm1\n"

       "  pslld $16, %%mm0\n"

       "  pslld $16, %%mm1\n"

       "  psrad $16, %%mm0\n"

       "  psrad $16, %%mm1\n"

       "  packssdw %%mm1, %%mm0\n"

       "  movq %%mm0, (%0,%%ecx,2)\n"

       "  movq (%1,%%ecx,4), %%mm0\n"

       "  movq 8(%1,%%ecx,4), %%mm1\n"

       "  psrad $16, %%mm0\n"

       "  psrad $16, %%mm1\n"

       "  packssdw %%mm1, %%mm0\n"

       "  movq %%mm0, (%2,%%ecx,2)\n"

       "  add $4, %%ecx\n"

       "  cmp %3, %%ecx\n"

       "  jl 1b\n"

       "  emms\n"

       : "+r" (d1), "+r" (s_2xn), "+r" (d2)

       : "m" (n)

       : "eax", "ecx");

 }

 OIL_DEFINE_IMPL_FULL (deinterleave2_mmx, deinterleave2_s16, OIL_IMPL_FLAG_MMX);

 void

 deinterleave2_mmx_2 (int16_t *d1, int16_t *d2, int16_t *s_2xn, int n)

 {

   while (n&3) {

     d1[0] = s_2xn[0];

     d2[0] = s_2xn[1];

     d1++;

     d2++;

     s_2xn+=2;

     n--;

   }

   if (n==0) return;

   asm volatile ("\n"

       "  xor %%ecx, %%ecx\n"

       "1:\n"

       "  pshufw $0xd8, (%1,%%ecx,4), %%mm0\n"

       "  movd %%mm0, (%0,%%ecx,2)\n"

       "  pshufw $0x8d, (%1,%%ecx,4), %%mm0\n"

       "  movd %%mm0, (%2,%%ecx,2)\n"

       "  add $2, %%ecx\n"

       "  cmp %3, %%ecx\n"

       "  jl 1b\n"

       "  emms\n"

       : "+r" (d1), "+r" (s_2xn), "+r" (d2)

       : "m" (n)

       : "eax", "ecx");

 }

 OIL_DEFINE_IMPL_FULL (deinterleave2_mmx_2, deinterleave2_s16, OIL_IMPL_FLAG_MMX | OIL_IMPL_FLAG_MMXEXT);

 void

 deinterleave2_mmx_3 (int16_t *d1, int16_t *d2, int16_t *s_2xn, int n)

 {

   while (n&3) {

     d1[0] = s_2xn[0];

     d2[0] = s_2xn[1];

     d1++;

     d2++;

     s_2xn+=2;

     n--;

   }

   if (n==0) return;

   asm volatile ("\n"

       "  xor %%ecx, %%ecx\n"

       "1:\n"

       "  movq (%1,%%ecx,4), %%mm1\n"

       "  movq (%1,%%ecx,4), %%mm2\n"

       "  movq 8(%1,%%ecx,4), %%mm0\n"

       "  punpcklwd %%mm0, %%mm1\n"

       "  punpckhwd %%mm0, %%mm2\n"

       "  movq %%mm1, %%mm0\n"

       "  punpcklwd %%mm2, %%mm0\n"

       "  punpckhwd %%mm2, %%mm1\n"

       "  movq %%mm0, (%0,%%ecx,2)\n"

       "  movq %%mm1, (%2,%%ecx,2)\n"

       "  add $4, %%ecx\n"

       "  cmp %3, %%ecx\n"

       "  jl 1b\n"

       "  emms\n"

       : "+r" (d1), "+r" (s_2xn), "+r" (d2)

       : "m" (n)

       : "eax", "ecx");

 }

 OIL_DEFINE_IMPL_FULL (deinterleave2_mmx_3, deinterleave2_s16, OIL_IMPL_FLAG_MMX);

 void

 deinterleave2_mmx_4 (int16_t *d1, int16_t *d2, int16_t *s_2xn, int n)

 {

   while (n&7) {

     d1[0] = s_2xn[0];

     d2[0] = s_2xn[1];

     d1++;

     d2++;

     s_2xn+=2;

     n--;

   }

   if (n==0) return;

   asm volatile ("\n"

       "  xor %%ecx, %%ecx\n"

       "1:\n"

       "  movq (%1,%%ecx,4), %%mm1\n"

       "  movq %%mm1, %%mm2\n"

       "  movq 8(%1,%%ecx,4), %%mm0\n"

       "   movq 16(%1,%%ecx,4), %%mm5\n"

       "  punpcklwd %%mm0, %%mm1\n"

       "   movq %%mm5, %%mm6\n"

       "  punpckhwd %%mm0, %%mm2\n"

       "   movq 24(%1,%%ecx,4), %%mm4\n"

       "  movq %%mm1, %%mm0\n"

       "   punpcklwd %%mm4, %%mm5\n"

       "  punpcklwd %%mm2, %%mm0\n"

       "   punpckhwd %%mm4, %%mm6\n"

       "  punpckhwd %%mm2, %%mm1\n"

       "   movq %%mm5, %%mm4\n"

       "  movq %%mm0, (%0,%%ecx,2)\n"

       "   punpcklwd %%mm6, %%mm4\n"

       "  movq %%mm1, (%2,%%ecx,2)\n"

       "   punpckhwd %%mm6, %%mm5\n"

       "   movq %%mm4, 8(%0,%%ecx,2)\n"

       "   movq %%mm5, 8(%2,%%ecx,2)\n"

       "  add $8, %%ecx\n"

       "  cmp %3, %%ecx\n"

       "  jl 1b\n"

       "  emms\n"

       : "+r" (d1), "+r" (s_2xn), "+r" (d2)

       : "m" (n)

       : "eax", "ecx");

 }

 OIL_DEFINE_IMPL_FULL (deinterleave2_mmx_4, deinterleave2_s16, OIL_IMPL_FLAG_MMX);

 void

 lift_add_mult_shift12_i386_mmx (int16_t *d, int16_t *s1, int16_t *s2,

     int16_t *s3, int16_t *s4, int n)

 {

   uint32_t val = *s4;

   while (n&3) {

     d[0] = s1[0] + ((s4[0]*(s2[0] + s3[0]))>>12);

     d++;

     s1++;

     s2++;

     s3++;

     n--;

   }

   if (n==0) return;

   val = ((*(uint16_t *)s4)<<16) | (*(uint16_t *)s4);

   n>>=2;

   asm volatile ("\n"

       "  mov %4, %%ecx\n"

       "  movd %%ecx, %%mm7\n"

       "  punpcklwd %%mm7, %%mm7\n"

       "  mov %5, %%ecx\n"

       "1:\n"

       "  movq 0(%2), %%mm0\n"

       "  paddsw 0(%3), %%mm0\n"

       "  movq %%mm0, %%mm1\n"

       "  pmullw %%mm7, %%mm0\n"

       "  pmulhw %%mm7, %%mm1\n"

       "  psrlw $12, %%mm0\n"

       "  psllw $4, %%mm1\n"

       "  por %%mm1, %%mm0\n"

       "  paddsw 0(%1), %%mm0\n"

       "  movq %%mm0, 0(%0)\n"

       "  add $8, %0\n"

       "  add $8, %1\n"

       "  add $8, %2\n"

       "  add $8, %3\n"

       "  decl %%ecx\n"

       "  jne 1b\n"

       "  emms\n"

       : "+r" (d), "+r" (s1), "+r" (s2), "+r" (s3)

       : "m" (val), "m" (n)

       : "ecx");

 }

 OIL_DEFINE_IMPL_FULL (lift_add_mult_shift12_i386_mmx, lift_add_mult_shift12, OIL_IMPL_FLAG_MMX);

 void

 interleave2_mmx (int16_t *d_2xn, int16_t *s1, int16_t *s2, int n)

 {

   while (n&3) {

     d_2xn[0] = s1[0];

     d_2xn[1] = s2[0];

     s1++;

     s2++;

     d_2xn+=2;

     n--;

   }

   if (n==0) return;

   asm volatile ("\n"

       "  xor %%ecx, %%ecx\n"

       "1:\n"

       "  movq (%1,%%ecx,2), %%mm0\n"

       "  movq (%2,%%ecx,2), %%mm1\n"

       "  movq %%mm0, %%mm2\n"

       "  punpckhwd %%mm1, %%mm0\n"

       "  punpcklwd %%mm1, %%mm2\n"

       "  movq %%mm2, (%0,%%ecx,4)\n"

       "  movq %%mm0, 8(%0,%%ecx,4)\n"

       "  add $4, %%ecx\n"

       "  cmp %3, %%ecx\n"

       "  jl 1b\n"

       "  emms\n"

       : "+r" (d_2xn), "+r" (s1), "+r" (s2)

       : "m" (n)

       : "eax", "ecx");

 }

 OIL_DEFINE_IMPL_FULL (interleave2_mmx, interleave2_s16, OIL_IMPL_FLAG_MMX);

 void

 lift_add_shift1_mmx (int16_t *d, int16_t *s1, int16_t *s2, int16_t *s3, int n)

 {

   while (n&3) {

     d[0] = s1[0] + ((s2[0] + s3[0])>>1);

     d++;

     s1++;

     s2++;

     s3++;

     n--;

   }

   if (n==0) return;

   asm volatile ("\n"

       "  xor %%ecx, %%ecx\n"

       "1:\n"

       "  movq (%2,%%ecx,2), %%mm1\n"

       "  movq (%3,%%ecx,2), %%mm2\n"

       "  paddw %%mm2, %%mm1\n"

       "  psraw $1, %%mm1\n"

       "  paddw (%1,%%ecx,2), %%mm1\n"

       "  movq %%mm1, (%0,%%ecx,2)\n"

       "  add $4, %%ecx\n"

       "  cmp %4, %%ecx\n"

       "  jl 1b\n"

       "  emms\n"

       : "+r" (d), "+r" (s1), "+r" (s2), "+r" (s3)

       : "m" (n)

       : "ecx");

 }

 OIL_DEFINE_IMPL_FULL (lift_add_shift1_mmx, lift_add_shift1, OIL_IMPL_FLAG_MMX);

 void

 lift_sub_shift1_mmx (int16_t *d, int16_t *s1, int16_t *s2, int16_t *s3, int n)

 {

   while (n&3) {

     d[0] = s1[0] - ((s2[0] + s3[0])>>1);

     d++;

     s1++;

     s2++;

     s3++;

     n--;

   }

   if (n==0) return;

   asm volatile ("\n"

       "  xor %%ecx, %%ecx\n"

       "1:\n"

       "  movq (%2,%%ecx,2), %%mm1\n"

       "  movq (%3,%%ecx,2), %%mm2\n"

       "  movq (%1,%%ecx,2), %%mm0\n"

       "  paddw %%mm2, %%mm1\n"

       "  psraw $1, %%mm1\n"

       "  psubw %%mm1, %%mm0\n"

       "  movq %%mm0, (%0,%%ecx,2)\n"

       "  add $4, %%ecx\n"

       "  cmp %4, %%ecx\n"

       "  jl 1b\n"

       "  emms\n"

       : "+r" (d), "+r" (s1), "+r" (s2), "+r" (s3)

       : "m" (n)

       : "ecx");

 }

 OIL_DEFINE_IMPL_FULL (lift_sub_shift1_mmx, lift_sub_shift1, OIL_IMPL_FLAG_MMX);

 void

 lift_add_shift2_mmx (int16_t *d, int16_t *s1, int16_t *s2, int16_t *s3, int n)

 {

   while (n&3) {

     d[0] = s1[0] + ((s2[0] + s3[0])>>2);

     d++;

     s1++;

     s2++;

     s3++;

     n--;

   }

   if (n==0) return;

   asm volatile ("\n"

       "  xor %%ecx, %%ecx\n"

       "1:\n"

       "  movq (%2,%%ecx,2), %%mm1\n"

       "  movq (%3,%%ecx,2), %%mm2\n"

       "  paddw %%mm2, %%mm1\n"

       "  psraw $2, %%mm1\n"

       "  paddw (%1,%%ecx,2), %%mm1\n"

       "  movq %%mm1, (%0,%%ecx,2)\n"

       "  add $4, %%ecx\n"

       "  cmp %4, %%ecx\n"

       "  jl 1b\n"

       "  emms\n"

       : "+r" (d), "+r" (s1), "+r" (s2), "+r" (s3)

       : "m" (n)

       : "ecx");

 }

 OIL_DEFINE_IMPL_FULL (lift_add_shift2_mmx, lift_add_shift2, OIL_IMPL_FLAG_MMX);

 void

 lift_sub_shift2_mmx (int16_t *d, int16_t *s1, int16_t *s2, int16_t *s3, int n)

 {

   while (n&3) {

     d[0] = s1[0] - ((s2[0] + s3[0])>>2);

     d++;

     s1++;

     s2++;

     s3++;

     n--;

   }

   if (n==0) return;

   asm volatile ("\n"

       "  xor %%ecx, %%ecx\n"

       "1:\n"

       "  movq (%2,%%ecx,2), %%mm1\n"

       "  movq (%3,%%ecx,2), %%mm2\n"

       "  movq (%1,%%ecx,2), %%mm0\n"

       "  paddw %%mm2, %%mm1\n"

       "  psraw $2, %%mm1\n"

       "  psubw %%mm1, %%mm0\n"

       "  movq %%mm0, (%0,%%ecx,2)\n"

       "  add $4, %%ecx\n"

       "  cmp %4, %%ecx\n"

       "  jl 1b\n"

       "  emms\n"

       : "+r" (d), "+r" (s1), "+r" (s2), "+r" (s3)

       : "m" (n)

       : "ecx");

 }

 OIL_DEFINE_IMPL_FULL (lift_sub_shift2_mmx, lift_sub_shift2, OIL_IMPL_FLAG_MMX);

 #ifdef ENABLE_BROKEN_IMPLS

 void

 synth_53_mmx (int16_t *d_2xn, int16_t *s_2xn, int n)

 {

   int i;

   if (n==0) return;

   if (n == 1) {

     d_2xn[0] = s_2xn[0] - (s_2xn[1] >> 1);

     d_2xn[1] = s_2xn[1] + d_2xn[0]; 

   } else {

     int i;

     d_2xn[0] = s_2xn[0] - (s_2xn[1] >> 1);

     if (n > 6) {

       n-=5;

       asm volatile ("\n"

           "  xor %%ecx, %%ecx\n"

           "  movw 2(%1), %%ecx\n"

           "  movd %%ecx, %%mm7\n"

           "  movw 0(%0), %%ecx\n"

           "  movd %%ecx, %%mm6\n"

           "  movw 0(%1), %%ecx\n"

           "  movd %%ecx, %%mm5\n"

           "  xor %%ecx, %%ecx\n"

           "1:\n"

           "  movq 4(%1,%%ecx,4), %%mm1\n"  // mm1 = s5 s4 s3 s2

           "  movq %%mm1, %%mm2\n"          // mm2 = s5 s4 s3 s2

           "  movq 12(%1,%%ecx,4), %%mm0\n" // mm0 = s9 s8 s7 s6

           "  punpcklwd %%mm0, %%mm1\n"     // mm1 = s7 s3 s6 s2

           "  punpckhwd %%mm0, %%mm2\n"     // mm2 = s9 s5 s8 s4

           "  movq %%mm1, %%mm0\n"          // mm0 = s7 s3 s6 s2

           "  punpcklwd %%mm2, %%mm0\n"     // mm0 = s8 s6 s4 s2

           "  punpckhwd %%mm2, %%mm1\n"     // mm1 = s9 s7 s5 s3

           //"  movq %%mm0, %%mm3\n"          // mm0 = s8 s6 s4 s2

           "  movq %%mm1, %%mm2\n"          // mm2 = s9 s7 s5 s3

           "  psllq $16, %%mm2\n"           // mm2 = s7 s5 s3 00

           "  por %%mm7, %%mm2\n"           // mm2 = s7 s5 s3 s1

           "  movq %%mm2, %%mm4\n"          // mm4 = s7 s5 s3 s1

           "  paddw %%mm1, %%mm2\n"         // mm2 = s9+s7 ...

           "  psraw $2, %%mm2\n"            // mm2 = (s9+s7)>>2 ...

           "  movq %%mm1, %%mm7\n"          // mm7 = s9 s7 s5 s3

           "  psrlq $48, %%mm7\n"           // mm7 = 00 00 00 s9

           "  psubw %%mm2, %%mm0\n"         // mm0 = d8 d6 d4 d2

           "  movq %%mm0, %%mm1\n"          // mm1 = d8 d6 d4 d2

           "  movq %%mm0, %%mm3\n"          // mm1 = d8 d6 d4 d2

           "  psllq $16, %%mm0\n"           // mm0 = d6 d4 d2 00

           "  por %%mm6, %%mm0\n"           // mm0 = d6 d4 d2 d0

           "  psrlq $48, %%mm1\n"           // mm1 = 00 00 00 d8

           "  movq %%mm1, %%mm6\n"          // mm6 = 00 00 00 d8

           "  movq %%mm0, %%mm1\n"

           "  paddw %%mm3, %%mm1\n"         // mm0 = d8+d6 ...

           "  psraw $1, %%mm1\n"            // mm1 = (d8+d6)>>1 ...

           "  paddw %%mm4, %%mm1\n"         // mm1 = d7 d5 d3 d1

           "  movq %%mm1, %%mm2\n"

           "  movq %%mm0, %%mm1\n"

           "  punpcklwd %%mm2, %%mm0\n"

           "  punpckhwd %%mm2, %%mm1\n"

           "  movq %%mm0, (%0, %%ecx, 4)\n"

           "  movq %%mm1, 8(%0, %%ecx, 4)\n"

           "  add $4, %%ecx\n"

           "  cmp %3, %%ecx\n"

           "  jl 1b\n"

           "  emms\n"

           : "+r" (d_2xn), "+r" (s_2xn), "+ecx" (i)

           : "m" (n));

       i*=2;

       n+=5;

       d_2xn[i] = s_2xn[i] - ((s_2xn[i-1] + s_2xn[i+1]) >> 2);

       i+=2;

     } else {

       i = 2;

     }

     for(;i<n*2-2;i+=2){

       d_2xn[i] = s_2xn[i] - ((s_2xn[i-1] + s_2xn[i+1]) >> 2);

       d_2xn[i-1] = s_2xn[i-1] + ((d_2xn[i] + d_2xn[i-2]) >> 1);

     }

     d_2xn[n*2-2] = s_2xn[n*2-2] - ((s_2xn[n*2-3] + s_2xn[n*2-1]) >> 2);

     d_2xn[n*2-3] = s_2xn[n*2-3] + ((d_2xn[n*2-2] + d_2xn[n*2-4]) >> 1);

     d_2xn[n*2-1] = s_2xn[n*2-1] + d_2xn[n*2-2];

   } 

 }

 OIL_DEFINE_IMPL_FULL (synth_53_mmx, synth_53, OIL_IMPL_FLAG_MMX);

 #endif

 void

 mas2_add_s16_mmx (int16_t *d1, int16_t *s1, int16_t *s2, int16_t *s3_2,

     int16_t *s4_2, int n)

 {

   int shift = s4_2[1];

   while (n&3) {

     int x;

     x = s4_2[0] + s2[0]*s3_2[0] + s2[1]*s3_2[1];

     x >>= s4_2[1];

     d1[0] = s1[0] + x;

     d1++;

     s1++;

     s2++;

     n--;

   }

   if (n==0) return;

   n>>=2;

   asm volatile ("\n"

       "  movzwl 0(%0), %%ecx\n"

       "  movd %%ecx, %%mm7\n"

       "  pshufw $0x00, %%mm7, %%mm7\n"

       "  movzwl 2(%0), %%ecx\n"

       "  movd %%ecx, %%mm6\n"

       "  pshufw $0x00, %%mm6, %%mm6\n"

       "  movzwl 0(%1), %%ecx\n"

       "  movd %%ecx, %%mm5\n"

       "  pshufw $0x44, %%mm5, %%mm5\n"

       :: "r" (s3_2), "r" (s4_2)

       : "ecx"

       );

   asm volatile ("\n"

       "1:\n"

       "  movq 0(%2), %%mm0\n"       // mm0 = s0, s1, s2, s3

       "  movq 0(%2), %%mm1\n"       // mm1 = s0, s1, s2, s3

       "  pmullw %%mm7, %%mm0\n"     // mm0 = lo(s0*a0), lo(s1*a0), ...

       "  pmulhw %%mm7, %%mm1\n"     // mm1 = hi(s0*a0), hi(s1*a0), ...

       "  movq %%mm0, %%mm2\n"       // mm2 = lo(s0*a0), lo(s1*a0), ...

       "  punpcklwd %%mm1, %%mm0\n"  // mm0 = s0*a0, s1*a0

       "  punpckhwd %%mm1, %%mm2\n"  // mm2 = s2*a0, s3*a0

       "  movq %%mm2, %%mm1\n"       // mm1 = s2*a0, s3*a0

       "  movq 2(%2), %%mm2\n"

       "  movq 2(%2), %%mm3\n"

       "  pmullw %%mm6, %%mm2\n"

       "  pmulhw %%mm6, %%mm3\n"

       "  movq %%mm2, %%mm4\n"

       "  punpcklwd %%mm3, %%mm2\n"  // mm2 = s1*a1, s2*a1

       "  punpckhwd %%mm3, %%mm4\n"  // mm4 = s3*a1, s4*a1

       "  movq %%mm4, %%mm3\n"       // mm3 = s3*a1, s4*a1

       "  paddd %%mm3, %%mm1\n"      // mm1 = s2*a0 + s3*a1, ...

       "  paddd %%mm2, %%mm0\n"      // mm0 = s0*a0 + s1*a1, ...

       "  paddd %%mm5, %%mm1\n"      // mm1 = s2*a0 + s3*a1 + offset, ...

       "  paddd %%mm5, %%mm0\n"      // mm0 = s0*a0 + s1*a1 + offset, ...

       "  movd %4, %%mm4\n"

       "  psrad %%mm4, %%mm1\n"      // mm1 = (s2*a0 + s3*a1 + offset)>>shift, ...

       "  psrad %%mm4, %%mm0\n"      // mm0 = (s0*a0 + s1*a1 + offset)>>shift, ...

       "  packssdw %%mm1, %%mm0\n"

       "  paddw 0(%1), %%mm0\n"

       "  movq %%mm0, 0(%0)\n"

       "  add $8, %0\n"

       "  add $8, %1\n"

       "  add $8, %2\n"

       "  decl %3\n"

       "  jnz 1b\n"

       "  emms\n"

       : "+r" (d1), "+r" (s1), "+r" (s2), "+r" (n)

       : "r" (shift)

       );

 }

 OIL_DEFINE_IMPL_FULL (mas2_add_s16_mmx, mas2_add_s16, OIL_IMPL_FLAG_MMX | OIL_IMPL_FLAG_MMXEXT);

 #if 0

 void

 mas2_add_s16_lim_mmx (int16_t *d1, int16_t *s1, int16_t *s2, int16_t *s3_2,

     int16_t *s4_2, int n)

 {

   int shift = s4_2[1];

   while (n&3) {

     int x;

     x = s4_2[0] + s2[0]*s3_2[0] + s2[1]*s3_2[1];

     x >>= s4_2[1];

     d1[0] = s1[0] + x;

     d1++;

     s1++;

     s2++;

     n--;

   }

   if (n==0) return;

   n>>=2;

   asm volatile ("\n"

       "  movzwl 0(%0), %%ecx\n"

       "  movd %%ecx, %%mm7\n"

       "  pshufw $0x00, %%mm7, %%mm7\n"

       "  movzwl 2(%0), %%ecx\n"

       "  movd %%ecx, %%mm6\n"

       "  pshufw $0x00, %%mm6, %%mm6\n"

       "  movzwl 0(%1), %%ecx\n"

       "  movd %%ecx, %%mm5\n"

       "  pshufw $0x44, %%mm5, %%mm5\n"

       :: "r" (s3_2), "r" (s4_2)

       : "ecx"

       );

   asm volatile ("\n"

       "1:\n"

       "  movq 0(%2), %%mm0\n"

       "  paddq 2(%2), %%mm0\n"

       "  movd %4, %%mm4\n"

       "  psraw %%mm4, %%mm0\n"

       "  paddw 0(%1), %%mm0\n"

       "  movq %%mm0, 0(%0)\n"

       "  add $8, %0\n"

       "  add $8, %1\n"

       "  add $8, %2\n"

       "  decl %3\n"

       "  jnz 1b\n"

       "  emms\n"

       : "+r" (d1), "+r" (s1), "+r" (s2), "+r" (n)

       : "r" (shift)

       );

 }

 OIL_DEFINE_IMPL_FULL (mas2_add_s16_lim_mmx, mas2_add_s16, OIL_IMPL_FLAG_MMX | OIL_IMPL_FLAG_MMXEXT);

 #endif

 void

 mas4_add_s16_mmx (int16_t *d1, int16_t *s1, int16_t *s2, int16_t *s3_4,

     int16_t *s4_2, int n)

 {

   int shift = s4_2[1];

   //int m;

   //m = n&3;

 #if 1

   while (n&3) {

     int x;

     int i;

     x = s4_2[0];

     for(i=0;i<4;i++){

       x += s2[i]*s3_4[i];

     }

     x >>= s4_2[1];

     d1[0] = s1[0] + x;

     d1++;

     s1++;

     s2++;

     n--;

   }

 #endif

   if (n==0) return;

   n>>=2;

   asm volatile ("\n"

       "  movq 0(%0), %%mm7\n"

       "  movzwl 0(%1), %%ecx\n"

       "  movd %%ecx, %%mm5\n"

       "  pshufw $0x44, %%mm5, %%mm5\n"

       :: "r" (s3_4), "r" (s4_2)

       : "ecx"

       );

   asm volatile ("\n"

       "1:\n"

       "  movq 0(%2), %%mm0\n"       // mm0 = s0, s1, s2, s3

       "  movq 0(%2), %%mm1\n"       // mm1 = s0, s1, s2, s3

       "  pshufw $0x00, %%mm7, %%mm6\n"

       "  pmullw %%mm6, %%mm0\n"     // mm0 = lo(s0*a0), lo(s1*a0), ...

       "  pmulhw %%mm6, %%mm1\n"     // mm1 = hi(s0*a0), hi(s1*a0), ...

       "  movq %%mm0, %%mm2\n"       // mm2 = lo(s0*a0), lo(s1*a0), ...

       "  punpcklwd %%mm1, %%mm0\n"  // mm0 = s0*a0, s1*a0

       "  punpckhwd %%mm1, %%mm2\n"  // mm2 = s2*a0, s3*a0

       "  movq %%mm2, %%mm1\n"       // mm1 = s2*a0, s3*a0

       "  movq 2(%2), %%mm2\n"

       "  movq 2(%2), %%mm3\n"

       "  pshufw $0x55, %%mm7, %%mm6\n"

       "  pmullw %%mm6, %%mm2\n"

       "  pmulhw %%mm6, %%mm3\n"

       "  movq %%mm2, %%mm4\n"

       "  punpcklwd %%mm3, %%mm2\n"  // mm2 = s1*a1, s2*a1

       "  punpckhwd %%mm3, %%mm4\n"  // mm4 = s3*a1, s4*a1

       "  movq %%mm4, %%mm3\n"       // mm3 = s3*a1, s4*a1

       "  paddd %%mm3, %%mm1\n"      // mm1 = s2*a0 + s3*a1, ...

       "  paddd %%mm2, %%mm0\n"      // mm0 = s0*a0 + s1*a1, ...

       "  movq 4(%2), %%mm2\n"

       "  movq 4(%2), %%mm3\n"

       "  pshufw $0xaa, %%mm7, %%mm6\n"

       "  pmullw %%mm6, %%mm2\n"

       "  pmulhw %%mm6, %%mm3\n"

       "  movq %%mm2, %%mm4\n"

       "  punpcklwd %%mm3, %%mm2\n"

       "  punpckhwd %%mm3, %%mm4\n"

       "  movq %%mm4, %%mm3\n"

       "  paddd %%mm3, %%mm1\n"

       "  paddd %%mm2, %%mm0\n"

       "  movq 6(%2), %%mm2\n"

       "  movq 6(%2), %%mm3\n"

       "  pshufw $0xff, %%mm7, %%mm6\n"

       "  pmullw %%mm6, %%mm2\n"

       "  pmulhw %%mm6, %%mm3\n"

       "  movq %%mm2, %%mm4\n"

       "  punpcklwd %%mm3, %%mm2\n"

       "  punpckhwd %%mm3, %%mm4\n"

       "  movq %%mm4, %%mm3\n"

       "  paddd %%mm3, %%mm1\n"

       "  paddd %%mm2, %%mm0\n"

       "  paddd %%mm5, %%mm1\n"

       "  paddd %%mm5, %%mm0\n"

       "  movd %4, %%mm4\n"

       "  psrad %%mm4, %%mm1\n"

       "  psrad %%mm4, %%mm0\n"

       "  packssdw %%mm1, %%mm0\n"

       "  paddw 0(%1), %%mm0\n"

       "  movq %%mm0, 0(%0)\n"

       "  add $8, %0\n"

       "  add $8, %1\n"

       "  add $8, %2\n"

       "  decl %3\n"

       "  jnz 1b\n"

       "  emms\n"

       : "+r" (d1), "+r" (s1), "+r" (s2), "+r" (n)

       : "r" (shift)

       );

 #if 0

   while (m) {

     int x;

     int i;

     x = s4_2[0];

     for(i=0;i<4;i++){

       x += s2[i]*s3_4[i];

     }

     x >>= s4_2[1];

     d1[0] = s1[0] + x;

     d1++;

     s1++;

     s2++;

     m--;

   }

 #endif

 }

 OIL_DEFINE_IMPL_FULL (mas4_add_s16_mmx, mas4_add_s16, OIL_IMPL_FLAG_MMX | OIL_IMPL_FLAG_MMXEXT);

 #if 0

 /* This only does 16-bit intermediates, whereas the ref specifies 32-bit */

 void

 mas2_add_s16_mmx (int16_t *d1, int16_t *s1, int16_t *s2, int16_t *s3_2,

     int16_t *s4_2, int n)

 {

   while (n&3) {

     int x;

     x = s4_2[0] + s2[0]*s3_2[0] + s2[1]*s3_2[1];

     x >>= s4_2[1];

     d1[0] = s1[0] + x;

     d1++;

     s1++;

     s2++;

     n--;

   }

   if (n==0) return;

   n>>=2;

   asm volatile ("\n"

       "  movzwl 0(%0), %%ecx\n"

       "  movd %%ecx, %%mm7\n"

       "  pshufw $0x00, %%mm7, %%mm7\n"

       "  movzwl 2(%0), %%ecx\n"

       "  movd %%ecx, %%mm6\n"

       "  pshufw $0x00, %%mm6, %%mm6\n"

       "  movzwl 0(%1), %%ecx\n"

       "  movd %%ecx, %%mm5\n"

       "  pshufw $0x00, %%mm5, %%mm5\n"

       "  movzwl 2(%1), %%ecx\n"

       "  movd %%ecx, %%mm4\n"

       :: "r" (s3_2), "r" (s4_2)

       : "ecx"

       );

   asm volatile ("\n"

       "1:\n"

       "  movq 0(%2), %%mm0\n"

       "  pmullw %%mm7, %%mm0\n"

       "  movq 2(%2), %%mm1\n"

       "  pmullw %%mm6, %%mm1\n"

       "  paddw %%mm1, %%mm0\n"

       "  paddw %%mm5, %%mm0\n"

       "  psraw %%mm4, %%mm0\n"

       "  paddw 0(%1), %%mm0\n"

       "  movq %%mm0, 0(%0)\n"

       "  add $8, %0\n"

       "  add $8, %1\n"

       "  add $8, %2\n"

       "  decl %3\n"

       "  jnz 1b\n"

       "  emms\n"

       : "+r" (d1), "+r" (s1), "+r" (s2), "+r" (n)

       );

 }

 OIL_DEFINE_IMPL_FULL (mas2_add_s16_mmx, mas2_add_s16, OIL_IMPL_FLAG_MMX | OIL_IMPL_FLAG_MMXEXT);

 #endif

 #if 0

 /* This only does 16-bit intermediates, whereas the ref specifies 32-bit */

 void

 mas4_add_s16_mmx (int16_t *d1, int16_t *s1, int16_t *s2, int16_t *s3_2,

     int16_t *s4_2, int n)

 {

   while (n&3) {

     int x;

     x = s4_2[0] + s2[0]*s3_2[0] + s2[1]*s3_2[1] + 

       s2[2]*s3_2[2] + s2[2]*s3_2[2];

     x >>= s4_2[1];

     d1[0] = s1[0] + x;

     d1++;

     s1++;

     s2++;

     n--;

   }

   if (n==0) return;

   n>>=2;

   asm volatile ("\n"

       "  movzwl 0(%0), %%ecx\n"

       "  movd %%ecx, %%mm7\n"

       "  pshufw $0x00, %%mm7, %%mm7\n"

       "  movzwl 2(%0), %%ecx\n"

       "  movd %%ecx, %%mm6\n"

       "  pshufw $0x00, %%mm6, %%mm6\n"

       "  movzwl 2(%0), %%ecx\n"

       "  movd %%ecx, %%mm5\n"

       "  pshufw $0x00, %%mm5, %%mm5\n"

       "  movzwl 2(%0), %%ecx\n"

       "  movd %%ecx, %%mm4\n"

       "  pshufw $0x00, %%mm4, %%mm4\n"

       "  movzwl 0(%1), %%ecx\n"

       "  movd %%ecx, %%mm3\n"

       "  pshufw $0x00, %%mm3, %%mm3\n"

       "  movzwl 2(%1), %%ecx\n"

       "  movd %%ecx, %%mm2\n"

       :: "r" (s3_2), "r" (s4_2)

       : "ecx"

       );

   asm volatile ("\n"

       "1:\n"

       "  movq 0(%2), %%mm0\n"

       "  pmullw %%mm7, %%mm0\n"

       "  movq 2(%2), %%mm1\n"

       "  pmullw %%mm6, %%mm1\n"

       "  paddw %%mm1, %%mm0\n"

       "  movq 4(%2), %%mm1\n"

       "  pmullw %%mm5, %%mm1\n"

       "  paddw %%mm1, %%mm0\n"

       "  movq 6(%2), %%mm1\n"

       "  pmullw %%mm4, %%mm1\n"

       "  paddw %%mm1, %%mm0\n"

       "  paddw %%mm3, %%mm0\n"

       "  psraw %%mm2, %%mm0\n"

       "  paddw 0(%1), %%mm0\n"

       "  movq %%mm0, 0(%0)\n"

       "  add $8, %0\n"

       "  add $8, %1\n"

       "  add $8, %2\n"

       "  decl %3\n"

       "  jnz 1b\n"

       "  emms\n"

       : "+r" (d1), "+r" (s1), "+r" (s2), "+r" (n)

       );

 }

 OIL_DEFINE_IMPL_FULL (mas4_add_s16_mmx, mas4_add_s16, OIL_IMPL_FLAG_MMX | OIL_IMPL_FLAG_MMXEXT);

 #endif

 #if 0

 /* This only does 16-bit intermediates, whereas the ref specifies 32-bit */

 void

 mas8_add_s16_mmx (int16_t *d1, int16_t *s1, int16_t *s2, int16_t *s3_2,

     int16_t *s4_2, int n)

 {

   while (n&3) {

     int x;

     int i;

     x = s4_2[0];

     for(i=0;i<8;i++){

       x += s2[i]*s3_2[i];

     }

     x >>= s4_2[1];

     d1[0] = s1[0] + x;

     d1++;

     s1++;

     s2++;

     n--;

   }

   if (n==0) return;

   n>>=2;

   asm volatile ("\n"

       "  movq 0(%0), %%mm6\n"

       "  movq 8(%0), %%mm7\n"

       "  movzwl 0(%1), %%ecx\n"

       "  movd %%ecx, %%mm3\n"

       "  pshufw $0x00, %%mm3, %%mm3\n"

       "  pxor %%mm4, %%mm4\n"

       "  movzwl 2(%1), %%ecx\n"

       "  movd %%ecx, %%mm4\n"

       :: "r" (s3_2), "r" (s4_2)

       : "ecx"

       );

   asm volatile ("\n"

       "1:\n"

       "  pshufw $0x00, %%mm6, %%mm1\n"

       "  movq 0(%2), %%mm0\n"

       "  pmullw %%mm1, %%mm0\n"

       "  pshufw $0x55, %%mm6, %%mm2\n"

       "  movq 2(%2), %%mm1\n"

       "  pmullw %%mm2, %%mm1\n"

       "  paddw %%mm1, %%mm0\n"

       "  pshufw $0xaa, %%mm6, %%mm2\n"

       "  movq 4(%2), %%mm1\n"

       "  pmullw %%mm2, %%mm1\n"

       "  paddw %%mm1, %%mm0\n"

       "  pshufw $0xff, %%mm6, %%mm2\n"

       "  movq 6(%2), %%mm1\n"

       "  pmullw %%mm2, %%mm1\n"

       "  paddw %%mm1, %%mm0\n"

       "  pshufw $0x00, %%mm7, %%mm2\n"

       "  movq 8(%2), %%mm1\n"

       "  pmullw %%mm2, %%mm1\n"

       "  paddw %%mm1, %%mm0\n"

       "  pshufw $0x55, %%mm7, %%mm2\n"

       "  movq 10(%2), %%mm1\n"

       "  pmullw %%mm2, %%mm1\n"

       "  paddw %%mm1, %%mm0\n"

       "  pshufw $0xaa, %%mm7, %%mm2\n"

       "  movq 12(%2), %%mm1\n"

       "  pmullw %%mm2, %%mm1\n"

       "  paddw %%mm1, %%mm0\n"

       "  pshufw $0xff, %%mm7, %%mm2\n"

       "  movq 14(%2), %%mm1\n"

       "  pmullw %%mm2, %%mm1\n"

       "  paddw %%mm1, %%mm0\n"

       "  paddw %%mm3, %%mm0\n"

       "  psraw %%mm4, %%mm0\n"

       "  paddw 0(%1), %%mm0\n"

       "  movq %%mm0, 0(%0)\n"

       "  add $8, %0\n"

       "  add $8, %1\n"

       "  add $8, %2\n"

       "  decl %3\n"

       "  jnz 1b\n"

       "  emms\n"

       : "+r" (d1), "+r" (s1), "+r" (s2), "+r" (n)

       );

 }

 OIL_DEFINE_IMPL_FULL (mas8_add_s16_mmx, mas8_add_s16, OIL_IMPL_FLAG_MMX | OIL_IMPL_FLAG_MMXEXT);

 #endif

 void

 mas4_add_s16_pmaddwd (int16_t *d1, int16_t *s1, int16_t *s2, int16_t *s3_2,

     int16_t *s4_2, int n)

 {

   if (n==0) return;

   asm volatile ("\n"

       "  movq 0(%0), %%mm6\n"

       "  movzwl 0(%1), %%ecx\n"

       "  movd %%ecx, %%mm3\n"

       "  movzwl 2(%1), %%ecx\n"

       "  movd %%ecx, %%mm4\n"

       :: "r" (s3_2), "r" (s4_2)

       : "ecx"

       );

   asm volatile ("\n"

       "1:\n"

       "  movq 0(%2), %%mm0\n"

       "  pmaddwd %%mm6, %%mm0\n"

       "  pshufw $0xee, %%mm0, %%mm1\n" // 11 10 11 10

       "  paddd %%mm1, %%mm0\n"

       "  paddd %%mm3, %%mm0\n"

       "  psrad %%mm4, %%mm0\n"

       "  movd %%mm0, %%eax\n"

       "  addw 0(%1), %%ax\n"

       "  movw %%ax, 0(%0)\n"

       "  add $2, %0\n"

       "  add $2, %1\n"

       "  add $2, %2\n"

       "  decl %3\n"

       "  jnz 1b\n"

       "  emms\n"

       : "+r" (d1), "+r" (s1), "+r" (s2), "+r" (n)

       :

       : "eax"

       );

 }

 OIL_DEFINE_IMPL_FULL (mas4_add_s16_pmaddwd, mas4_add_s16, OIL_IMPL_FLAG_MMX | OIL_IMPL_FLAG_MMXEXT);

 void

 mas4_add_s16_pmaddwd_2 (int16_t *d1, int16_t *s1, int16_t *s2, int16_t *s3_2,

     int16_t *s4_2, int n)

 {

   if (n==0) return;

   asm volatile ("\n"

       "  movq 0(%0), %%mm6\n"

       "  movzwl 0(%1), %%ecx\n"

       "  movd %%ecx, %%mm3\n"

       "  pshufw $0x44, %%mm3, %%mm3\n" // 01 00 01 00

       "  movzwl 2(%1), %%ecx\n"

       "  movd %%ecx, %%mm4\n"

       :: "r" (s3_2), "r" (s4_2)

       : "ecx"

       );

   if (n&1) {

     asm volatile ("\n"

         "  movq 0(%2), %%mm0\n"

         "  pmaddwd %%mm6, %%mm0\n"

         "  pshufw $0xee, %%mm0, %%mm1\n" // 11 10 11 10

         "  paddd %%mm1, %%mm0\n"

         "  paddd %%mm3, %%mm0\n"

         "  psrad %%mm4, %%mm0\n"

         "  movd %%mm0, %%eax\n"

         "  addw 0(%1), %%ax\n"

         "  movw %%ax, 0(%0)\n"

         "  add $2, %0\n"

         "  add $2, %1\n"

         "  add $2, %2\n"

         "  decl %3\n"

         : "+r" (d1), "+r" (s1), "+r" (s2), "+r" (n)

         :

         : "eax"

         );

   }

   n>>=1;

   asm volatile ("\n"

       "1:\n"

       "  movq 0(%2), %%mm0\n"

       "  pmaddwd %%mm6, %%mm0\n"

       "  movq 2(%2), %%mm2\n"

       "  pmaddwd %%mm6, %%mm2\n"

       "  movq %%mm0, %%mm1\n"

       "  punpckhdq %%mm2, %%mm0\n"

       "  punpckldq %%mm2, %%mm1\n"

       "  paddd %%mm1, %%mm0\n"

       "  paddd %%mm3, %%mm0\n"

       "  psrad %%mm4, %%mm0\n"

       "  pshufw $0xd8, %%mm0, %%mm0\n" // 11 01 10 00

       "  paddw 0(%1), %%mm0\n"

       "  movd %%mm0, 0(%0)\n"

       "  add $4, %0\n"

       "  add $4, %1\n"

       "  add $4, %2\n"

       "  decl %3\n"

       "  jnz 1b\n"

       "  emms\n"

       : "+r" (d1), "+r" (s1), "+r" (s2), "+r" (n)

       :

       : "eax"

       );

 }

 OIL_DEFINE_IMPL_FULL (mas4_add_s16_pmaddwd_2, mas4_add_s16, OIL_IMPL_FLAG_MMX | OIL_IMPL_FLAG_MMXEXT);

 void

 mas8_add_s16_pmaddwd (int16_t *d1, int16_t *s1, int16_t *s2, int16_t *s3_2,

     int16_t *s4_2, int n)

 {

   if (n==0) return;

   asm volatile ("\n"

       "  movq 0(%0), %%mm6\n"

       "  movq 8(%0), %%mm7\n"

       "  movzwl 0(%1), %%ecx\n"

       "  movd %%ecx, %%mm3\n"

       "  movzwl 2(%1), %%ecx\n"

       "  movd %%ecx, %%mm4\n"

       :: "r" (s3_2), "r" (s4_2)

       : "ecx"

       );

   asm volatile ("\n"

       "1:\n"

       "  movq 0(%2), %%mm0\n"

       "  pmaddwd %%mm6, %%mm0\n"

       "  movq 8(%2), %%mm1\n"

       "  pmaddwd %%mm7, %%mm1\n"

       "  paddd %%mm1, %%mm0\n"

       "  pshufw $0xee, %%mm0, %%mm1\n"

       "  paddd %%mm1, %%mm0\n"

       "  paddd %%mm3, %%mm0\n"

       "  psrad %%mm4, %%mm0\n"

       "  movd %%mm0, %%eax\n"

       "  addw 0(%1), %%ax\n"

       "  movw %%ax, 0(%0)\n"

       "  add $2, %0\n"

       "  add $2, %1\n"

       "  add $2, %2\n"

       "  decl %3\n"

       "  jnz 1b\n"

       "  emms\n"

       : "+r" (d1), "+r" (s1), "+r" (s2), "+r" (n)

       :

       : "eax"

       );

 }

 OIL_DEFINE_IMPL_FULL (mas8_add_s16_pmaddwd, mas8_add_s16, OIL_IMPL_FLAG_MMX|OIL_IMPL_FLAG_MMXEXT);

 #if 0

 void

 mas8_add_s16_pmaddwd2 (int16_t *d1, int16_t *s1, int16_t *s2, int16_t *s3_2,

     int16_t *s4_2, int n)

 {

   while (n&3) {

     int x;

     int i;

     x = s4_2[0];

     for(i=0;i<8;i++){

       x += s2[i]*s3_2[i];

     }

     x >>= s4_2[1];

     d1[0] = s1[0] + x;

     d1++;

     s1++;

     s2++;

     n--;

   }

   if (n==0) return;

   n>>=2;

   asm volatile ("\n"

       "  movq 0(%0), %%mm6\n"

       "  movq 8(%0), %%mm7\n"

       "  movzwl 0(%1), %%ecx\n"

       "  movd %%ecx, %%mm5\n"

       "  pshufw $0x00, %%mm5, %%mm5\n"

       "  pxor %%mm4, %%mm4\n"

       "  movzwl 2(%1), %%ecx\n"

       "  movd %%ecx, %%mm4\n"

       :: "r" (s3_2), "r" (s4_2)

       : "ecx"

       );

   asm volatile ("\n"

       "1:\n"

       "  movq 0(%2), %%mm0\n"

       "  pmaddwd %%mm6, %%mm0\n"

       "  movq 8(%2), %%mm1\n"

       "  pmaddwd %%mm7, %%mm1\n"

       "  paddd %%mm1, %%mm0\n"

       "  pshufw $0xee, %%mm0, %%mm1\n"

       "  paddw %%mm1, %%mm0\n"

       "  movq 2(%2), %%mm2\n"

       "  pmaddwd %%mm6, %%mm2\n"

       "  movq 10(%2), %%mm3\n"

       "  pmaddwd %%mm7, %%mm3\n"

       "  paddd %%mm3, %%mm2\n"

       "  pshufw $0xee, %%mm2, %%mm3\n"

       "  paddw %%mm3, %%mm2\n"

       "  pextrw $0, %%mm2, %%eax\n"

       "  pinsrw $1, %%eax, %%mm0\n"

       "  movq 4(%2), %%mm2\n"

       "  pmaddwd %%mm6, %%mm2\n"

       "  movq 12(%2), %%mm3\n"

       "  pmaddwd %%mm7, %%mm3\n"

       "  paddd %%mm3, %%mm2\n"

       "  pshufw $0xee, %%mm2, %%mm3\n"

       "  paddw %%mm3, %%mm2\n"

       "  pextrw $0, %%mm2, %%eax\n"

       "  pinsrw $2, %%eax, %%mm0\n"

       "  movq 6(%2), %%mm2\n"

       "  pmaddwd %%mm6, %%mm2\n"

       "  movq 14(%2), %%mm3\n"

       "  pmaddwd %%mm7, %%mm3\n"

       "  paddd %%mm3, %%mm2\n"

       "  pshufw $0xee, %%mm2, %%mm3\n"

       "  paddw %%mm3, %%mm2\n"

       "  pextrw $0, %%mm2, %%eax\n"

       "  pinsrw $3, %%eax, %%mm0\n"

       "  paddw %%mm5, %%mm0\n"

       "  psraw %%mm4, %%mm0\n"

       "  paddw 0(%1), %%mm0\n"

       "  movq %%mm0, 0(%0)\n"

       "  add $8, %0\n"

       "  add $8, %1\n"

       "  add $8, %2\n"

       "  decl %3\n"

       "  jnz 1b\n"

       "  emms\n"

       : "+r" (d1), "+r" (s1), "+r" (s2), "+r" (n)

       :

       : "eax"

       );

 }

 OIL_DEFINE_IMPL_FULL (mas8_add_s16_pmaddwd2, mas8_add_s16, OIL_IMPL_FLAG_SSE);

 #endif

 #if 0

 /* This only does 16-bit intermediates, whereas the ref specifies 32-bit */

 void

 mas8_add_s16_sse2 (int16_t *d1, int16_t *s1, int16_t *s2, int16_t *s3_2,

     int16_t *s4_2, int n)

 {

   asm volatile ("\n"

       "  movq 0(%0), %%mm6\n"

       "  movq 8(%0), %%mm7\n"

       "  movzwl 0(%1), %%ecx\n"

       "  movd %%ecx, %%mm3\n"

       "  pshufw $0x00, %%mm3, %%mm3\n"

       "  pxor %%mm4, %%mm4\n"

       "  movzwl 2(%1), %%ecx\n"

       "  movd %%ecx, %%mm4\n"

       :: "r" (s3_2), "r" (s4_2)

       : "ecx"

       );

   asm volatile ("\n"

       "1:\n"

       "  movq 0(%2), %%mm0\n"

       "  pmullw %%mm6, %%mm0\n"

       "  movq 8(%2), %%mm1\n"

       "  pmullw %%mm7, %%mm1\n"

       "  paddw %%mm1, %%mm0\n"

       "  pshufw $0xee, %%mm0, %%mm1\n"

       "  paddw %%mm1, %%mm0\n"

       "  pshufw $0x01, %%mm0, %%mm1\n"

       "  paddw %%mm1, %%mm0\n"

       "  paddw %%mm3, %%mm0\n"

       "  psraw %%mm4, %%mm0\n"

       "  movd %%mm0, %%eax\n"

       "  addw 0(%1), %%ax\n"

       "  movw %%ax, 0(%0)\n"

       "  add $2, %0\n"

       "  add $2, %1\n"

       "  add $2, %2\n"

       "  decl %3\n"

       "  jnz 1b\n"

       "  emms\n"

       : "+r" (d1), "+r" (s1), "+r" (s2), "+r" (n)

       :

       : "eax"

       );

 }

 OIL_DEFINE_IMPL_FULL (mas8_add_s16_sse2, mas8_add_s16, OIL_IMPL_FLAG_SSE);

 #endif

 void

 mas2_across_add_s16_mmx (int16_t *d1, int16_t *s1, int16_t *s2, int16_t *s3,

     int16_t *s4_2, int16_t *s5_2, int n)

 {

   int shift = s5_2[1];

   while (n&3) {

     int x;

     x = s5_2[0] + s2[0]*s4_2[0] + s3[0]*s4_2[1];

     x >>= s5_2[1];

     d1[0] = s1[0] + x;

     d1++;

     s1++;

     s2++;

     s3++;

     n--;

   }

   if (n==0) return;

   n>>=2;

   if (n==0) return;

   asm volatile ("\n"

       "  movzwl 0(%0), %%ecx\n"

       "  movd %%ecx, %%mm7\n"

       "  pshufw $0x00, %%mm7, %%mm7\n"

       "  movzwl 2(%0), %%ecx\n"

       "  movd %%ecx, %%mm6\n"

       "  pshufw $0x00, %%mm6, %%mm6\n"

       "  movzwl 0(%1), %%ecx\n"

       "  movd %%ecx, %%mm5\n"

       "  pshufw $0x44, %%mm5, %%mm5\n"

       :: "r" (s4_2), "r" (s5_2)

       : "ecx"

       );

   asm volatile ("\n"

       "1:\n"

       "  movq 0(%2), %%mm0\n"       // mm0 = s0, s1, s2, s3

       "  movq 0(%2), %%mm1\n"       // mm1 = s0, s1, s2, s3

       "  pmullw %%mm7, %%mm0\n"     // mm0 = lo(s0*a0), lo(s1*a0), ...

       "  pmulhw %%mm7, %%mm1\n"     // mm1 = hi(s0*a0), hi(s1*a0), ...

       "  movq %%mm0, %%mm2\n"       // mm2 = lo(s0*a0), lo(s1*a0), ...

       "  punpcklwd %%mm1, %%mm0\n"  // mm0 = s0*a0, s1*a0

       "  punpckhwd %%mm1, %%mm2\n"  // mm2 = s2*a0, s3*a0

       "  movq %%mm2, %%mm1\n"       // mm1 = s2*a0, s3*a0

       "  movq 0(%3), %%mm2\n"

       "  movq 0(%3), %%mm3\n"

       "  pmullw %%mm6, %%mm2\n"

       "  pmulhw %%mm6, %%mm3\n"

       "  movq %%mm2, %%mm4\n"

       "  punpcklwd %%mm3, %%mm2\n"  // mm2 = s1*a1, s2*a1

       "  punpckhwd %%mm3, %%mm4\n"  // mm4 = s3*a1, s4*a1

       "  movq %%mm4, %%mm3\n"       // mm3 = s3*a1, s4*a1

       "  paddd %%mm3, %%mm1\n"      // mm1 = s2*a0 + s3*a1, ...

       "  paddd %%mm2, %%mm0\n"      // mm0 = s0*a0 + s1*a1, ...

       "  paddd %%mm5, %%mm1\n"      // mm1 = s2*a0 + s3*a1 + offset, ...

       "  paddd %%mm5, %%mm0\n"      // mm0 = s0*a0 + s1*a1 + offset, ...

       "  movd %5, %%mm4\n"

       "  psrad %%mm4, %%mm1\n"      // mm1 = (s2*a0 + s3*a1 + offset)>>shift, ...

       "  psrad %%mm4, %%mm0\n"      // mm0 = (s0*a0 + s1*a1 + offset)>>shift, ...

       "  packssdw %%mm1, %%mm0\n"

       "  paddw 0(%1), %%mm0\n"

       "  movq %%mm0, 0(%0)\n"

       "  add $8, %0\n"

       "  add $8, %1\n"

       "  add $8, %2\n"

       "  add $8, %3\n"

       "  decl %4\n"

       "  jnz 1b\n"

       "  emms\n"

       : "+r" (d1), "+r" (s1), "+r" (s2), "+r" (s3), "+m" (n)

       : "r" (shift)

       );

 }

 OIL_DEFINE_IMPL_FULL (mas2_across_add_s16_mmx, mas2_across_add_s16,

     OIL_IMPL_FLAG_MMX | OIL_IMPL_FLAG_MMXEXT);

 void

 add_const_rshift_s16_mmx(int16_t *d1, int16_t *s1, int16_t *s2_2, int n)

 {

   while(n&3) {

     d1[0] = (s1[0] + s2_2[0])>>s2_2[1];

     d1++;

     s1++;

     n--;

   }

   n>>=2;

   if (n==0) return;

   asm volatile ("\n"

       "  movzwl 0(%2), %%ecx\n"

       "  movd %%ecx, %%mm7\n"

       "  pshufw $0x00, %%mm7, %%mm7\n"

       "  movzwl 2(%2), %%ecx\n"

       "  movd %%ecx, %%mm6\n"

       "1:\n"

       "  movq 0(%1), %%mm0\n"

       "  paddsw %%mm7, %%mm0\n"

       "  psraw %%mm6, %%mm0\n"

       "  movq %%mm0, 0(%0)\n"

       "  add $8, %0\n"

       "  add $8, %1\n"

       "  decl %3\n"

       "  jnz 1b\n"

       "  emms\n"

       : "+r" (d1), "+r" (s1), "+r" (s2_2), "+r" (n)

       :

       : "ecx"

       );

 }

 OIL_DEFINE_IMPL_FULL (add_const_rshift_s16_mmx, add_const_rshift_s16,

     OIL_IMPL_FLAG_MMX | OIL_IMPL_FLAG_MMXEXT);

 void

 multiply_and_add_s16_mmx(int16_t *d1, int16_t *s1, int16_t *s2, int16_t *s3, int n)

 {

   while(n&3) {

     d1[0] = s1[0] + s2[0]*s3[0];

     d1++;

     s1++;

     s2++;

     s3++;

     n--;

   }

   n>>=2;

   if (n==0) return;

   asm volatile ("\n"

       "1:\n"

       "  movq 0(%2), %%mm0\n"

       "  pmullw 0(%3), %%mm0\n"

       "  paddw 0(%1), %%mm0\n"

       "  movq %%mm0, 0(%0)\n"

       "  add $8, %0\n"

       "  add $8, %1\n"

       "  add $8, %2\n"

       "  add $8, %3\n"

       "  decl %4\n"

       "  jnz 1b\n"

       "  emms\n"

       : "+r" (d1), "+r" (s1), "+r" (s2), "+r" (s3), "+r" (n)

       );

 }

 OIL_DEFINE_IMPL_FULL (multiply_and_add_s16_mmx, multiply_and_add_s16,

     OIL_IMPL_FLAG_MMX);

 void

 multiply_and_add_s16_u8_mmx(int16_t *d1, int16_t *s1, int16_t *s2,

     uint8_t *s3, int n)

 {

   while(n&3) {

     d1[0] = s1[0] + s2[0]*s3[0];

     d1++;

     s1++;

     s2++;

     s3++;

     n--;

   }

   n>>=2;

   if (n==0) return;

   asm volatile ("\n"

       "  pxor %%mm7, %%mm7\n"

       "1:\n"

       "  movd 0(%3), %%mm0\n"

       "  punpcklbw %%mm7, %%mm0\n"

       "  pmullw 0(%2), %%mm0\n"

       "  paddw 0(%1), %%mm0\n"

       "  movq %%mm0, 0(%0)\n"

       "  add $8, %0\n"

       "  add $8, %1\n"

       "  add $8, %2\n"

       "  add $4, %3\n"

       "  decl %4\n"

       "  jnz 1b\n"

       "  emms\n"

       : "+r" (d1), "+r" (s1), "+r" (s2), "+r" (s3), "+r" (n)

       );

 }

 OIL_DEFINE_IMPL_FULL (multiply_and_add_s16_u8_mmx, multiply_and_add_s16_u8,

     OIL_IMPL_FLAG_MMX);

 void

 multiply_and_add_s16_u8_mmx_2(int16_t *d1, int16_t *s1, int16_t *s2,

     uint8_t *s3, int n)

 {

   while(n&7) {

     d1[0] = s1[0] + s2[0]*s3[0];

     d1++;

     s1++;

     s2++;

     s3++;

     n--;

   }

   n>>=3;

   if (n==0) return;

   asm volatile ("\n"

       "  pxor %%mm7, %%mm7\n"

       "1:\n"

       "  movd 0(%3), %%mm0\n"

       "  punpcklbw %%mm7, %%mm0\n"

       "   movd 4(%3), %%mm1\n"

       "  pmullw 0(%2), %%mm0\n"

       "   punpcklbw %%mm7, %%mm1\n"

       "  paddw 0(%1), %%mm0\n"

       "   pmullw 8(%2), %%mm1\n"

       "  movq %%mm0, 0(%0)\n"

       "   paddw 8(%1), %%mm1\n"

       "   movq %%mm1, 8(%0)\n"

       "  add $16, %0\n"

       "  add $16, %1\n"

       "  add $16, %2\n"

       "  add $8, %3\n"

       "  decl %4\n"

       "  jnz 1b\n"

       "  emms\n"

       : "+r" (d1), "+r" (s1), "+r" (s2), "+r" (s3), "+r" (n)

       );

 }

 OIL_DEFINE_IMPL_FULL (multiply_and_add_s16_u8_mmx_2, multiply_and_add_s16_u8,

     OIL_IMPL_FLAG_MMX);

 void

 multiply_and_acc_12xn_s16_u8_mmx (int16_t *i1, int is1, int16_t *s1,

     int ss1, uint8_t *s2, int ss2, int n)

 {

   if (n==0) return;

   __asm__ __volatile__ ("\n"

       "  pxor %%mm7, %%mm7\n"

       "1:\n"

       "  movd 0(%2), %%mm0\n"

       "  punpcklbw %%mm7, %%mm0\n"

       "  pmullw 0(%1), %%mm0\n"

       "  paddw 0(%0), %%mm0\n"

       "  movq %%mm0, 0(%0)\n"

       "   movd 4(%2), %%mm1\n"

       "   punpcklbw %%mm7, %%mm1\n"

       "   pmullw 8(%1), %%mm1\n"

       "   paddw 8(%0), %%mm1\n"

       "   movq %%mm1, 8(%0)\n"

       "    movd 8(%2), %%mm2\n"

       "    punpcklbw %%mm7, %%mm2\n"

       "    pmullw 16(%1), %%mm2\n"

       "    paddw 16(%0), %%mm2\n"

       "    movq %%mm2, 16(%0)\n"

       "  addl %4, %0\n"

       "  addl %5, %1\n"

       "  addl %6, %2\n"

       "  decl %3\n"

       "  jnz 1b\n"

       "  emms\n"

       : "+r" (i1), "+r" (s1), "+r" (s2), "+r" (n)

       : "m" (is1), "m" (ss1), "m" (ss2)

       );

 }

 OIL_DEFINE_IMPL_FULL (multiply_and_acc_12xn_s16_u8_mmx,

     multiply_and_acc_12xn_s16_u8, OIL_IMPL_FLAG_MMX);

 #ifdef ENABLE_BROKEN_IMPLS

 void

 mas4_across_add_s16_mmx (int16_t *d, int16_t *s1, int16_t *s2_nx4, int sstr2,

     int16_t *s3_4, int16_t *s4_2, int n)

 {

   int16_t *s2_nx4_off;

   while (n&3) {

     int x;

     int j;

     x = s4_2[0];

     for(j=0;j<4;j++){

       x += OIL_GET(s2_nx4, j*sstr2, int16_t)*s3_4[j];

     }

     x >>= s4_2[1];

     d[0] = s1[0] + x;

     n--;

     d++;

     s1++;

     s2_nx4++;

   }

   if (n==0) return;

   s2_nx4_off = OIL_OFFSET(s2_nx4, 3*sstr2);

   n >>= 2;

   __asm__ __volatile__ ("\n"

       "  movq 0(%[s3_4]), %%mm0\n"

       "  pshufw $0x55, %%mm0, %%mm1\n"

       "  pshufw $0xaa, %%mm0, %%mm2\n"

       "  pshufw $0xff, %%mm0, %%mm3\n"

       "  pshufw $0x00, %%mm0, %%mm0\n"

       "  movzwl 0(%[s4_2]), %%ecx\n"

       "  movd %%ecx, %%mm7\n"

       "  pshufw $0x00, %%mm7, %%mm7\n"

       "  movzwl 2(%[s4_2]), %%ecx\n"

       "  movd %%ecx, %%mm6\n"

       :

       : [s3_4] "r" (s3_4),

         [s4_2] "r" (s4_2)

       : "ecx"

       );

   __asm__ __volatile__ ("\n"

       "1:\n"

       "  movq 0(%[s2_nx4]), %%mm4\n"

       "  pmullw %%mm0, %%mm4\n"

       "  movq (%[s2_nx4],%[sstr]), %%mm5\n"

       "  pmullw %%mm1, %%mm5\n"

       "  paddsw %%mm5,%%mm4\n"

       "  movq (%[s2_nx4],%[sstr],2), %%mm5\n"

       "  pmullw %%mm2, %%mm5\n"

       "  paddsw %%mm5,%%mm4\n"

       "  movq (%[s2_nx4_off]), %%mm5\n"

       "  pmullw %%mm3, %%mm5\n"

       "  paddsw %%mm5,%%mm4\n"

       "  paddsw %%mm7, %%mm4\n"

       "  psraw %%mm6, %%mm4\n"

       "  paddsw (%[s1]),%%mm4\n"

       "  movq %%mm4, 0(%[d])\n"

       "  addl $8, %[s2_nx4]\n"

       "  addl $8, %[s2_nx4_off]\n"

       "  addl $8, %[s1]\n"

       "  addl $8, %[d]\n"

       "  decl %[n]\n"

       "  jnz 1b\n"

       "  emms\n"

       : [s2_nx4] "+r" (s2_nx4),

         [d] "+r" (d),

         [s2_nx4_off] "+r" (s2_nx4_off),

         [n] "+m" (n),

         [s1] "+r" (s1)

       : [sstr] "r" (sstr2)

       );

 }

 OIL_DEFINE_IMPL_FULL (mas4_across_add_s16_mmx, mas4_across_add_s16,

     OIL_IMPL_FLAG_MMX|OIL_IMPL_FLAG_MMXEXT);

 #endif

 void

 mas4_across_add_s16_mmx (int16_t *d, int16_t *s1, int16_t *s2_nx4, int sstr2,

     int16_t *s3_4, int16_t *s4_2, int n)

 {

   int16_t *s2_nx4_off;

   while (n&3) {

     int x;

     int j;

     x = s4_2[0];

     for(j=0;j<4;j++){

       x += OIL_GET(s2_nx4, j*sstr2, int16_t)*s3_4[j];

     }

     x >>= s4_2[1];

     d[0] = s1[0] + x;

     n--;

     d++;

     s1++;

     s2_nx4++;

   }

   if (n==0) return;

   s2_nx4_off = OIL_OFFSET(s2_nx4, 3*sstr2);

   n >>= 2;

   __asm__ __volatile__ ("\n"

       "  movq 0(%[s3_4]), %%mm0\n"

       "  pxor %%mm5, %%mm5\n"

       "  movd 0(%[s4_2]), %%mm5\n"

       :

       : [s3_4] "r" (s3_4),

         [s4_2] "r" (s4_2)

       );

   __asm__ __volatile__ ("\n"

       "1:\n"

       "  pshufw $0x00, %%mm0, %%mm6\n"

       "  pmullw 0(%[s2_nx4]), %%mm6\n"

       "  pshufw $0x00, %%mm0, %%mm3\n"

       "  pmulhw 0(%[s2_nx4]), %%mm3\n"

       "  movq %%mm6, %%mm7\n"

       "  punpcklwd %%mm3, %%mm6\n"

       "  punpckhwd %%mm3, %%mm7\n"

       "  pshufw $0x55, %%mm0, %%mm2\n"

       "  pmullw 0(%[s2_nx4],%[sstr]), %%mm2\n"

       "  pshufw $0x55, %%mm0, %%mm3\n"

       "  pmulhw 0(%[s2_nx4],%[sstr]), %%mm3\n"

       "  movq %%mm2, %%mm4\n"

       "  punpcklwd %%mm3, %%mm2\n"

       "  punpckhwd %%mm3, %%mm4\n"

       "  paddd %%mm2, %%mm6\n"

       "  paddd %%mm4, %%mm7\n"

       "  pshufw $0xaa, %%mm0, %%mm2\n"

       "  pmullw 0(%[s2_nx4],%[sstr],2), %%mm2\n"

       "  pshufw $0xaa, %%mm0, %%mm3\n"

       "  pmulhw 0(%[s2_nx4],%[sstr],2), %%mm3\n"

       "  movq %%mm2, %%mm4\n"

       "  punpcklwd %%mm3, %%mm2\n"

       "  punpckhwd %%mm3, %%mm4\n"

       "  paddd %%mm2, %%mm6\n"

       "  paddd %%mm4, %%mm7\n"

       "  pshufw $0xff, %%mm0, %%mm2\n"

       "  pmullw 0(%[s2_nx4_off]), %%mm2\n"

       "  pshufw $0xff, %%mm0, %%mm3\n"

       "  pmulhw 0(%[s2_nx4_off]), %%mm3\n"

       "  movq %%mm2, %%mm4\n"

       "  punpcklwd %%mm3, %%mm2\n"

       "  punpckhwd %%mm3, %%mm4\n"

       "  paddd %%mm2, %%mm6\n"

       "  paddd %%mm4, %%mm7\n"

       "  pshufw $0xcc, %%mm5, %%mm1\n"

       "  paddd %%mm1, %%mm6\n"

       "  paddd %%mm1, %%mm7\n"

       "  pshufw $0xfd, %%mm5, %%mm1\n"

       "  psrad %%mm1, %%mm6\n"

       "  psrad %%mm1, %%mm7\n"

       "  packssdw %%mm7, %%mm6\n"

       "  paddsw (%[s1]),%%mm6\n"

       "  movq %%mm6, 0(%[d])\n"

       "  addl $8, %[s2_nx4]\n"

       "  addl $8, %[s2_nx4_off]\n"

       "  addl $8, %[s1]\n"

       "  addl $8, %[d]\n"

       "  decl %[n]\n"

       "  jnz 1b\n"

       "  emms\n"

       : [s2_nx4] "+r" (s2_nx4),

         [d] "+r" (d),

         [s2_nx4_off] "+r" (s2_nx4_off),

         [n] "+m" (n),

         [s1] "+r" (s1)

       : [sstr] "r" (sstr2)

       );

 }

 OIL_DEFINE_IMPL_FULL (mas4_across_add_s16_mmx, mas4_across_add_s16,

     OIL_IMPL_FLAG_MMX|OIL_IMPL_FLAG_MMXEXT);

 void

 mas8_across_add_s16_mmx (int16_t *d, int16_t *s1, int16_t *s2_nx8, int sstr2,

     int16_t *s3_8, int16_t *s4_2, int n)

 {

   int16_t *s2_nx8_off;

   void *tmp = NULL;

   while (n&3) {

     int x;

     int j;

     x = s4_2[0];

     for(j=0;j<8;j++){

       x += OIL_GET(s2_nx8, j*sstr2, int16_t)*s3_8[j];

     }

     x >>= s4_2[1];

     d[0] = s1[0] + x;

     n--;

     d++;

     s1++;

     s2_nx8++;

   }

   if (n==0) return;

   s2_nx8_off = OIL_OFFSET(s2_nx8, 7*sstr2);

   n >>= 2;

   __asm__ __volatile__ ("\n"

       "  movq 0(%[s3_8]), %%mm0\n"

       "  pxor %%mm5, %%mm5\n"

       "  movd 0(%[s4_2]), %%mm5\n"

       :

       : [s3_8] "r" (s3_8),

         [s4_2] "r" (s4_2)

       );

   __asm__ __volatile__ ("\n"

       "1:\n"

       "  movl %[s2_nx8], %[tmp]\n"

       "  movq 0(%[s3_8]), %%mm0\n"

       "  pshufw $0x00, %%mm0, %%mm6\n"

       "  pmullw 0(%[tmp]), %%mm6\n"

       "  pshufw $0x00, %%mm0, %%mm3\n"

       "  pmulhw 0(%[tmp]), %%mm3\n"

       "  movq %%mm6, %%mm7\n"

       "  punpcklwd %%mm3, %%mm6\n"

       "  punpckhwd %%mm3, %%mm7\n"

       "  addl %[sstr], %[tmp]\n"

       "  pshufw $0x55, %%mm0, %%mm2\n"

       "  pmullw 0(%[tmp]), %%mm2\n"

       "  pshufw $0x55, %%mm0, %%mm3\n"

       "  pmulhw 0(%[tmp]), %%mm3\n"

       "  movq %%mm2, %%mm4\n"

       "  punpcklwd %%mm3, %%mm2\n"

       "  punpckhwd %%mm3, %%mm4\n"

       "  paddd %%mm2, %%mm6\n"

       "  paddd %%mm4, %%mm7\n"

       "  addl %[sstr], %[tmp]\n"

       "  pshufw $0xaa, %%mm0, %%mm2\n"

       "  pmullw 0(%[tmp]), %%mm2\n"

       "  pshufw $0xaa, %%mm0, %%mm3\n"

       "  pmulhw 0(%[tmp]), %%mm3\n"

       "  movq %%mm2, %%mm4\n"

       "  punpcklwd %%mm3, %%mm2\n"

       "  punpckhwd %%mm3, %%mm4\n"

       "  paddd %%mm2, %%mm6\n"

       "  paddd %%mm4, %%mm7\n"

       "  addl %[sstr], %[tmp]\n"

       "  pshufw $0xff, %%mm0, %%mm2\n"

       "  pmullw 0(%[tmp]), %%mm2\n"

       "  pshufw $0xff, %%mm0, %%mm3\n"

       "  pmulhw 0(%[tmp]), %%mm3\n"

       "  movq %%mm2, %%mm4\n"

       "  punpcklwd %%mm3, %%mm2\n"

       "  punpckhwd %%mm3, %%mm4\n"

       "  paddd %%mm2, %%mm6\n"

       "  paddd %%mm4, %%mm7\n"

       "  movq 8(%[s3_8]), %%mm0\n"

       "  addl %[sstr], %[tmp]\n"

       "  pshufw $0x00, %%mm0, %%mm2\n"

       "  pmullw 0(%[tmp]), %%mm2\n"

       "  pshufw $0x00, %%mm0, %%mm3\n"

       "  pmulhw 0(%[tmp]), %%mm3\n"

       "  movq %%mm2, %%mm4\n"

       "  punpcklwd %%mm3, %%mm2\n"

       "  punpckhwd %%mm3, %%mm4\n"

       "  paddd %%mm2, %%mm6\n"

       "  paddd %%mm4, %%mm7\n"

       "  addl %[sstr], %[tmp]\n"

       "  pshufw $0x55, %%mm0, %%mm2\n"

       "  pmullw 0(%[tmp]), %%mm2\n"

       "  pshufw $0x55, %%mm0, %%mm3\n"

       "  pmulhw 0(%[tmp]), %%mm3\n"

       "  movq %%mm2, %%mm4\n"

       "  punpcklwd %%mm3, %%mm2\n"

       "  punpckhwd %%mm3, %%mm4\n"

       "  paddd %%mm2, %%mm6\n"

       "  paddd %%mm4, %%mm7\n"

       "  addl %[sstr], %[tmp]\n"

       "  pshufw $0xaa, %%mm0, %%mm2\n"

       "  pmullw 0(%[tmp]), %%mm2\n"

       "  pshufw $0xaa, %%mm0, %%mm3\n"

       "  pmulhw 0(%[tmp]), %%mm3\n"

       "  movq %%mm2, %%mm4\n"

       "  punpcklwd %%mm3, %%mm2\n"

       "  punpckhwd %%mm3, %%mm4\n"

       "  paddd %%mm2, %%mm6\n"

       "  paddd %%mm4, %%mm7\n"

       "  addl %[sstr], %[tmp]\n"

       "  pshufw $0xff, %%mm0, %%mm2\n"

       "  pmullw 0(%[tmp]), %%mm2\n"

       "  pshufw $0xff, %%mm0, %%mm3\n"

       "  pmulhw 0(%[tmp]), %%mm3\n"

       "  movq %%mm2, %%mm4\n"

       "  punpcklwd %%mm3, %%mm2\n"

       "  punpckhwd %%mm3, %%mm4\n"

       "  paddd %%mm2, %%mm6\n"

       "  paddd %%mm4, %%mm7\n"

       "  pshufw $0xcc, %%mm5, %%mm1\n"

       "  paddd %%mm1, %%mm6\n"

       "  paddd %%mm1, %%mm7\n"

       "  pshufw $0xfd, %%mm5, %%mm1\n"

       "  psrad %%mm1, %%mm6\n"

       "  psrad %%mm1, %%mm7\n"

       "  packssdw %%mm7, %%mm6\n"

       "  paddsw (%[s1]),%%mm6\n"

       "  movq %%mm6, 0(%[d])\n"

       "  addl $8, %[s2_nx8]\n"

       "  addl $8, %[s1]\n"

       "  addl $8, %[d]\n"

       "  decl %[n]\n"

       "  jnz 1b\n"

       "  emms\n"

       : [s2_nx8] "+r" (s2_nx8),

         [tmp] "+r" (tmp),

         [s3_8] "+r" (s3_8),

         [d] "+r" (d),

         [n] "+m" (n),

         [s1] "+r" (s1)

       : [sstr] "m" (sstr2)

       );

 }

 OIL_DEFINE_IMPL_FULL (mas8_across_add_s16_mmx, mas8_across_add_s16,

     OIL_IMPL_FLAG_MMX|OIL_IMPL_FLAG_MMXEXT);

 void

 lshift_s16_mmx(int16_t *d1, int16_t *s1, int16_t *s3_1, int n)

 {

   while (n&3) {

     d1[0] = s1[0]<<s3_1[0];

     d1++;

     s1++;

     n--;

   }

   n >>= 2;

   __asm__ __volatile__ ("\n"

       "  movzwl 0(%[s3_1]), %%ecx\n"

       "  movd %%ecx, %%mm1\n"

       "1:\n"

       "  movq 0(%[s1]), %%mm0\n"

       "  psllw %%mm1, %%mm0\n"

       "  movq %%mm0, 0(%[d1])\n"

       "  add $8, %[d1]\n"

       "  add $8, %[s1]\n"

       "  decl %[n]\n"

       "  jnz 1b\n"

       "  emms"

       : [d1] "+r" (d1),

         [s1] "+r" (s1),

         [n] "+r" (n)

       : [s3_1] "r" (s3_1)

       : "ecx");

 }

 OIL_DEFINE_IMPL_FULL (lshift_s16_mmx, lshift_s16, OIL_IMPL_FLAG_MMX);

 void

 lshift_s16_mmx_2(int16_t *d1, int16_t *s1, int16_t *s3_1, int n)

 {

   while (n&7) {

     d1[0] = s1[0]<<s3_1[0];

     d1++;

     s1++;

     n--;

   }

   n >>= 3;

   if (n == 0) return;

   __asm__ __volatile__ ("\n"

       "  movzwl 0(%[s3_1]), %%ecx\n"

       "  movd %%ecx, %%mm1\n"

       "1:\n"

       "  movq 0(%[s1]), %%mm0\n"

       "  psllw %%mm1, %%mm0\n"

       "  movq %%mm0, 0(%[d1])\n"

       "  movq 8(%[s1]), %%mm0\n"

       "  psllw %%mm1, %%mm0\n"

       "  movq %%mm0, 8(%[d1])\n"

       "  add $16, %[d1]\n"

       "  add $16, %[s1]\n"

       "  decl %[n]\n"

       "  jnz 1b\n"

       "  emms"

       : [d1] "+r" (d1),

         [s1] "+r" (s1),

         [n] "+r" (n)

       : [s3_1] "r" (s3_1)

       : "ecx");

 }

 OIL_DEFINE_IMPL_FULL (lshift_s16_mmx_2, lshift_s16, OIL_IMPL_FLAG_MMX);

 #ifdef	__SYMBIAN32__

 OilFunctionImpl* __oil_function_impl_deinterleave2_mmx, deinterleave2_s16() {

 		return &_oil_function_impl_deinterleave2_mmx, deinterleave2_s16;

 }

 #endif

 #ifdef	__SYMBIAN32__

 OilFunctionImpl* __oil_function_impl_deinterleave2_mmx_2, deinterleave2_s16() {

 		return &_oil_function_impl_deinterleave2_mmx_2, deinterleave2_s16;

 }

 #endif

 #ifdef	__SYMBIAN32__

 OilFunctionImpl* __oil_function_impl_deinterleave2_mmx_3, deinterleave2_s16() {

 		return &_oil_function_impl_deinterleave2_mmx_3, deinterleave2_s16;

 }

 #endif

 #ifdef	__SYMBIAN32__

 OilFunctionImpl* __oil_function_impl_deinterleave2_mmx_4, deinterleave2_s16() {

 		return &_oil_function_impl_deinterleave2_mmx_4, deinterleave2_s16;

 }

 #endif

 #ifdef	__SYMBIAN32__

 OilFunctionImpl* __oil_function_impl_lift_add_mult_shift12_i386_mmx, lift_add_mult_shift12() {

 		return &_oil_function_impl_lift_add_mult_shift12_i386_mmx, lift_add_mult_shift12;

 }

 #endif

 #ifdef	__SYMBIAN32__

 OilFunctionImpl* __oil_function_impl_interleave2_mmx, interleave2_s16() {

 		return &_oil_function_impl_interleave2_mmx, interleave2_s16;

 }

 #endif

 #ifdef	__SYMBIAN32__

 OilFunctionImpl* __oil_function_impl_lift_add_shift1_mmx, lift_add_shift1() {

 		return &_oil_function_impl_lift_add_shift1_mmx, lift_add_shift1;

 }

 #endif

 #ifdef	__SYMBIAN32__

 OilFunctionImpl* __oil_function_impl_lift_sub_shift1_mmx, lift_sub_shift1() {

 		return &_oil_function_impl_lift_sub_shift1_mmx, lift_sub_shift1;

 }

 #endif

 #ifdef	__SYMBIAN32__

 OilFunctionImpl* __oil_function_impl_lift_add_shift2_mmx, lift_add_shift2() {

 		return &_oil_function_impl_lift_add_shift2_mmx, lift_add_shift2;

 }

 #endif

 #ifdef	__SYMBIAN32__

 OilFunctionImpl* __oil_function_impl_lift_sub_shift2_mmx, lift_sub_shift2() {

 		return &_oil_function_impl_lift_sub_shift2_mmx, lift_sub_shift2;

 }

 #endif

 #ifdef	__SYMBIAN32__

 OilFunctionImpl* __oil_function_impl_synth_53_mmx, synth_53() {

 		return &_oil_function_impl_synth_53_mmx, synth_53;

 }

 #endif

 #ifdef	__SYMBIAN32__

 OilFunctionImpl* __oil_function_impl_mas2_add_s16_mmx, mas2_add_s16() {

 		return &_oil_function_impl_mas2_add_s16_mmx, mas2_add_s16;

 }

 #endif

 #ifdef	__SYMBIAN32__

 OilFunctionImpl* __oil_function_impl_mas2_add_s16_lim_mmx, mas2_add_s16() {

 		return &_oil_function_impl_mas2_add_s16_lim_mmx, mas2_add_s16;

 }

 #endif

 #ifdef	__SYMBIAN32__

 OilFunctionImpl* __oil_function_impl_mas4_add_s16_mmx, mas4_add_s16() {

 		return &_oil_function_impl_mas4_add_s16_mmx, mas4_add_s16;

 }

 #endif

 #ifdef	__SYMBIAN32__

 OilFunctionImpl* __oil_function_impl_mas2_add_s16_mmx, mas2_add_s16() {

 		return &_oil_function_impl_mas2_add_s16_mmx, mas2_add_s16;

 }

 #endif

 #ifdef	__SYMBIAN32__

 OilFunctionImpl* __oil_function_impl_mas4_add_s16_mmx, mas4_add_s16() {

 		return &_oil_function_impl_mas4_add_s16_mmx, mas4_add_s16;

 }

 #endif

 #ifdef	__SYMBIAN32__

 OilFunctionImpl* __oil_function_impl_mas8_add_s16_mmx, mas8_add_s16() {

 		return &_oil_function_impl_mas8_add_s16_mmx, mas8_add_s16;

 }

 #endif

 #ifdef	__SYMBIAN32__

 OilFunctionImpl* __oil_function_impl_mas4_add_s16_pmaddwd, mas4_add_s16() {

 		return &_oil_function_impl_mas4_add_s16_pmaddwd, mas4_add_s16;

 }

 #endif

 #ifdef	__SYMBIAN32__

 OilFunctionImpl* __oil_function_impl_mas4_add_s16_pmaddwd_2, mas4_add_s16() {

 		return &_oil_function_impl_mas4_add_s16_pmaddwd_2, mas4_add_s16;

 }

 #endif

 #ifdef	__SYMBIAN32__

 OilFunctionImpl* __oil_function_impl_mas8_add_s16_pmaddwd, mas8_add_s16() {

 		return &_oil_function_impl_mas8_add_s16_pmaddwd, mas8_add_s16;

 }

 #endif

 #ifdef	__SYMBIAN32__

 OilFunctionImpl* __oil_function_impl_mas8_add_s16_pmaddwd2, mas8_add_s16() {

 		return &_oil_function_impl_mas8_add_s16_pmaddwd2, mas8_add_s16;

 }

 #endif

 #ifdef	__SYMBIAN32__

 OilFunctionImpl* __oil_function_impl_mas8_add_s16_sse2, mas8_add_s16() {

 		return &_oil_function_impl_mas8_add_s16_sse2, mas8_add_s16;

 }

 #endif

 #ifdef	__SYMBIAN32__

 OilFunctionImpl* __oil_function_impl_mas2_across_add_s16_mmx, mas2_across_add_s16() {

 		return &_oil_function_impl_mas2_across_add_s16_mmx, mas2_across_add_s16;

 }

 #endif

 #ifdef	__SYMBIAN32__

 OilFunctionImpl* __oil_function_impl_add_const_rshift_s16_mmx, add_const_rshift_s16() {

 		return &_oil_function_impl_add_const_rshift_s16_mmx, add_const_rshift_s16;

 }

 #endif

 #ifdef	__SYMBIAN32__

 OilFunctionImpl* __oil_function_impl_multiply_and_add_s16_mmx, multiply_and_add_s16() {

 		return &_oil_function_impl_multiply_and_add_s16_mmx, multiply_and_add_s16;

 }

 #endif

 #ifdef	__SYMBIAN32__

 OilFunctionImpl* __oil_function_impl_multiply_and_add_s16_u8_mmx, multiply_and_add_s16_u8() {

 		return &_oil_function_impl_multiply_and_add_s16_u8_mmx, multiply_and_add_s16_u8;

 }

 #endif

 #ifdef	__SYMBIAN32__

 OilFunctionImpl* __oil_function_impl_multiply_and_add_s16_u8_mmx_2, multiply_and_add_s16_u8() {

 		return &_oil_function_impl_multiply_and_add_s16_u8_mmx_2, multiply_and_add_s16_u8;

 }

 #endif

 #ifdef	__SYMBIAN32__

 OilFunctionImpl* __oil_function_impl_multiply_and_acc_12xn_s16_u8_mmx() {

 		return &_oil_function_impl_multiply_and_acc_12xn_s16_u8_mmx;

 }

 #endif

 #ifdef	__SYMBIAN32__

 OilFunctionImpl* __oil_function_impl_mas4_across_add_s16_mmx, mas4_across_add_s16() {

 		return &_oil_function_impl_mas4_across_add_s16_mmx, mas4_across_add_s16;

 }

 #endif

 #ifdef	__SYMBIAN32__

 OilFunctionImpl* __oil_function_impl_mas4_across_add_s16_mmx, mas4_across_add_s16() {

 		return &_oil_function_impl_mas4_across_add_s16_mmx, mas4_across_add_s16;

 }

 #endif

 #ifdef	__SYMBIAN32__

 OilFunctionImpl* __oil_function_impl_mas8_across_add_s16_mmx, mas8_across_add_s16() {

 		return &_oil_function_impl_mas8_across_add_s16_mmx, mas8_across_add_s16;

 }

 #endif

 #ifdef	__SYMBIAN32__

 OilFunctionImpl* __oil_function_impl_lshift_s16_mmx, lshift_s16() {

 		return &_oil_function_impl_lshift_s16_mmx, lshift_s16;

 }

 #endif

 #ifdef	__SYMBIAN32__

 OilFunctionImpl* __oil_function_impl_lshift_s16_mmx_2, lshift_s16() {

 		return &_oil_function_impl_lshift_s16_mmx_2, lshift_s16;

 }

 #endif

 #ifdef	__SYMBIAN32__

 OilFunctionImpl* __oil_function_impl_split_53_nomix() {

 		return &_oil_function_impl_split_53_nomix;

 }

 #endif

 #ifdef	__SYMBIAN32__

 OilFunctionImpl* __oil_function_impl_split_53_c() {

 		return &_oil_function_impl_split_53_c;

 }

 #endif

 #ifdef	__SYMBIAN32__

 OilFunctionImpl* __oil_function_impl_synth_53_c() {

 		return &_oil_function_impl_synth_53_c;

 }

 #endif

 #ifdef	__SYMBIAN32__

 OilFunctionImpl* __oil_function_impl_deinterleave2_c_1() {

 		return &_oil_function_impl_deinterleave2_c_1;

 }

 #endif

 #ifdef	__SYMBIAN32__

 OilFunctionImpl* __oil_function_impl_deinterleave2_asm() {

 		return &_oil_function_impl_deinterleave2_asm;

 }

 #endif