static void ff_h264_idct_add_mmx(uint8_t *dst, int16_t *block, int stride) { /* Load dct coeffs */ __asm__ volatile( "movq (%0), %%mm0 \n\t" "movq 8(%0), %%mm1 \n\t" "movq 16(%0), %%mm2 \n\t" "movq 24(%0), %%mm3 \n\t" :: "r"(block) ); __asm__ volatile( /* mm1=s02+s13 mm2=s02-s13 mm4=d02+d13 mm0=d02-d13 */ IDCT4_1D( %%mm2, %%mm1, %%mm0, %%mm3, %%mm4 ) "movq %0, %%mm6 \n\t" /* in: 1,4,0,2 out: 1,2,3,0 */ TRANSPOSE4( %%mm3, %%mm1, %%mm0, %%mm2, %%mm4 ) "paddw %%mm6, %%mm3 \n\t" /* mm2=s02+s13 mm3=s02-s13 mm4=d02+d13 mm1=d02-d13 */ IDCT4_1D( %%mm4, %%mm2, %%mm3, %%mm0, %%mm1 ) "pxor %%mm7, %%mm7 \n\t" :: "m"(ff_pw_32)); __asm__ volatile( STORE_DIFF_4P( %%mm0, %%mm1, %%mm7) "add %1, %0 \n\t" STORE_DIFF_4P( %%mm2, %%mm1, %%mm7) "add %1, %0 \n\t" STORE_DIFF_4P( %%mm3, %%mm1, %%mm7) "add %1, %0 \n\t" STORE_DIFF_4P( %%mm4, %%mm1, %%mm7) : "+r"(dst) : "r" ((x86_reg)stride) ); }