static inline void h264_idct8_1d(int16_t *block) { __asm__ volatile( "movq 112(%0), %%mm7 \n\t" "movq 80(%0), %%mm0 \n\t" "movq 48(%0), %%mm3 \n\t" "movq 16(%0), %%mm5 \n\t" "movq %%mm0, %%mm4 \n\t" "movq %%mm5, %%mm1 \n\t" "psraw $1, %%mm4 \n\t" "psraw $1, %%mm1 \n\t" "paddw %%mm0, %%mm4 \n\t" "paddw %%mm5, %%mm1 \n\t" "paddw %%mm7, %%mm4 \n\t" "paddw %%mm0, %%mm1 \n\t" "psubw %%mm5, %%mm4 \n\t" "paddw %%mm3, %%mm1 \n\t" "psubw %%mm3, %%mm5 \n\t" "psubw %%mm3, %%mm0 \n\t" "paddw %%mm7, %%mm5 \n\t" "psubw %%mm7, %%mm0 \n\t" "psraw $1, %%mm3 \n\t" "psraw $1, %%mm7 \n\t" "psubw %%mm3, %%mm5 \n\t" "psubw %%mm7, %%mm0 \n\t" "movq %%mm4, %%mm3 \n\t" "movq %%mm1, %%mm7 \n\t" "psraw $2, %%mm1 \n\t" "psraw $2, %%mm3 \n\t" "paddw %%mm5, %%mm3 \n\t" "psraw $2, %%mm5 \n\t" "paddw %%mm0, %%mm1 \n\t" "psraw $2, %%mm0 \n\t" "psubw %%mm4, %%mm5 \n\t" "psubw %%mm0, %%mm7 \n\t" "movq 32(%0), %%mm2 \n\t" "movq 96(%0), %%mm6 \n\t" "movq %%mm2, %%mm4 \n\t" "movq %%mm6, %%mm0 \n\t" "psraw $1, %%mm4 \n\t" "psraw $1, %%mm6 \n\t" "psubw %%mm0, %%mm4 \n\t" "paddw %%mm2, %%mm6 \n\t" "movq (%0), %%mm2 \n\t" "movq 64(%0), %%mm0 \n\t" SUMSUB_BA( %%mm0, %%mm2 ) SUMSUB_BA( %%mm6, %%mm0 ) SUMSUB_BA( %%mm4, %%mm2 ) SUMSUB_BA( %%mm7, %%mm6 ) SUMSUB_BA( %%mm5, %%mm4 ) SUMSUB_BA( %%mm3, %%mm2 ) SUMSUB_BA( %%mm1, %%mm0 ) :: "r"(block) ); }