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ffmpeg.wasm-core
Commit a6e39f45 authored by Michael Niedermayer's avatar Michael Niedermayer
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optimization 

Originally committed as revision 3439 to svn://svn.ffmpeg.org/ffmpeg/trunk
parent ed8ffdf4
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Showing with 49 additions and 80 deletions
libavcodec/i386/dsputil_mmx.c
View file @ a6e39f45
......@@ -2289,6 +2289,24 @@ static void OPNAME ## qpel16_mc22_ ## MMX(uint8_t *dst, uint8_t *src, int stride
OPNAME ## mpeg4_qpel16_v_lowpass_ ## MMX(dst, halfH, stride, 16);\
}
#define QPEL_H264V(A,B,C,D,E,F,OP)\
"movd (%0), "#F" \n\t"\
"movq "#C", %%mm6 \n\t"\
"paddw "#D", %%mm6 \n\t"\
"psllw $2, %%mm6 \n\t"\
"psubw "#B", %%mm6 \n\t"\
"psubw "#E", %%mm6 \n\t"\
"pmullw %4, %%mm6 \n\t"\
"addl %2, %0 \n\t"\
"punpcklbw %%mm7, "#F" \n\t"\
"paddw %5, "#A" \n\t"\
"paddw "#F", "#A" \n\t"\
"paddw "#A", %%mm6 \n\t"\
"psraw $5, %%mm6 \n\t"\
"packuswb %%mm6, %%mm6 \n\t"\
OP(%%mm6, (%1), A, d)\
"addl %3, %1 \n\t"
#define QPEL_H264(OPNAME, OP, MMX)\
static void OPNAME ## h264_qpel4_h_lowpass_ ## MMX(uint8_t *dst, uint8_t *src, int dstStride, int srcStride){\
int h=4;\
......@@ -2487,92 +2505,43 @@ static void OPNAME ## h264_qpel8_h_lowpass_ ## MMX(uint8_t *dst, uint8_t *src, i
}\
\
static void OPNAME ## h264_qpel8_v_lowpass_ ## MMX(uint8_t *dst, uint8_t *src, int dstStride, int srcStride){\
uint64_t temp[(8+5)*2];\
uint64_t *temp_ptr= temp;\
int h= 4;\
\
int h= 2;\
src -= 2*srcStride;\
\
asm volatile(\
while(h--){\
asm volatile(\
"pxor %%mm7, %%mm7 \n\t"\
"1: \n\t"\
"movq (%0), %%mm0 \n\t"\
"movq %%mm0, %%mm1 \n\t"\
"addl %3, %0 \n\t"\
"punpcklbw %%mm7, %%mm0 \n\t"\
"movq %%mm0, (%1) \n\t"\
"punpckhbw %%mm7, %%mm1 \n\t"\
"movq (%0), %%mm0 \n\t"\
"movq %%mm1, 8(%1) \n\t"\
"movq %%mm0, %%mm1 \n\t"\
"addl %3, %0 \n\t"\
"punpcklbw %%mm7, %%mm0 \n\t"\
"movq %%mm0, 16(%1) \n\t"\
"punpckhbw %%mm7, %%mm1 \n\t"\
"movq (%0), %%mm0 \n\t"\
"movq %%mm1, 24(%1) \n\t"\
"movq %%mm0, %%mm1 \n\t"\
"addl %3, %0 \n\t"\
"punpcklbw %%mm7, %%mm0 \n\t"\
"movq %%mm0, 32(%1) \n\t"\
"punpckhbw %%mm7, %%mm1 \n\t"\
"movq %%mm1, 40(%1) \n\t"\
"addl $48, %1 \n\t"\
"decl %2 \n\t"\
" jnz 1b \n\t"\
"movq (%0), %%mm0 \n\t"\
"movq %%mm0, %%mm1 \n\t"\
"movd (%0), %%mm0 \n\t"\
"addl %2, %0 \n\t"\
"movd (%0), %%mm1 \n\t"\
"addl %2, %0 \n\t"\
"movd (%0), %%mm2 \n\t"\
"addl %2, %0 \n\t"\
"movd (%0), %%mm3 \n\t"\
"addl %2, %0 \n\t"\
"movd (%0), %%mm4 \n\t"\
"addl %2, %0 \n\t"\
"punpcklbw %%mm7, %%mm0 \n\t"\
"movq %%mm0, (%1) \n\t"\
"punpckhbw %%mm7, %%mm1 \n\t"\
"movq %%mm1, 8(%1) \n\t"\
: "+a" (src), "+c" (temp_ptr), "+d"(h)\
: "S" (srcStride)\
: "memory"\
);\
\
temp_ptr= temp;\
h= 8;\
\
asm volatile(\
"movq %4, %%mm6 \n\t"\
"movq %5, %%mm7 \n\t"\
"1: \n\t"\
"movq 2*16+0(%0), %%mm0 \n\t"\
"movq 2*16+8(%0), %%mm1 \n\t"\
"paddw 3*16+0(%0), %%mm0 \n\t"\
"paddw 3*16+8(%0), %%mm1 \n\t"\
"psllw $2, %%mm0 \n\t"\
"psllw $2, %%mm1 \n\t"\
"movq 1*16+0(%0), %%mm2 \n\t"\
"movq 1*16+8(%0), %%mm3 \n\t"\
"paddw 4*16+0(%0), %%mm2 \n\t"\
"paddw 4*16+8(%0), %%mm3 \n\t"\
"psubw %%mm2, %%mm0 \n\t"\
"psubw %%mm3, %%mm1 \n\t"\
"pmullw %%mm6, %%mm0 \n\t"\
"pmullw %%mm6, %%mm1 \n\t"\
"movq 0*16+0(%0), %%mm2 \n\t"\
"movq 0*16+8(%0), %%mm3 \n\t"\
"paddw 5*16+0(%0), %%mm2 \n\t"\
"paddw 5*16+8(%0), %%mm3 \n\t"\
"paddw %%mm2, %%mm0 \n\t"\
"paddw %%mm3, %%mm1 \n\t"\
"paddw %%mm7, %%mm0 \n\t"\
"paddw %%mm7, %%mm1 \n\t"\
"psraw $5, %%mm0 \n\t"\
"psraw $5, %%mm1 \n\t"\
"packuswb %%mm1, %%mm0 \n\t"\
OP(%%mm0, (%1),%%mm5, q)\
"addl %3, %1 \n\t"\
"addl $16, %0 \n\t"\
"decl %2 \n\t"\
" jnz 1b \n\t"\
"punpcklbw %%mm7, %%mm1 \n\t"\
"punpcklbw %%mm7, %%mm2 \n\t"\
"punpcklbw %%mm7, %%mm3 \n\t"\
"punpcklbw %%mm7, %%mm4 \n\t"\
QPEL_H264V(%%mm0, %%mm1, %%mm2, %%mm3, %%mm4, %%mm5, OP)\
QPEL_H264V(%%mm1, %%mm2, %%mm3, %%mm4, %%mm5, %%mm0, OP)\
QPEL_H264V(%%mm2, %%mm3, %%mm4, %%mm5, %%mm0, %%mm1, OP)\
QPEL_H264V(%%mm3, %%mm4, %%mm5, %%mm0, %%mm1, %%mm2, OP)\
QPEL_H264V(%%mm4, %%mm5, %%mm0, %%mm1, %%mm2, %%mm3, OP)\
QPEL_H264V(%%mm5, %%mm0, %%mm1, %%mm2, %%mm3, %%mm4, OP)\
QPEL_H264V(%%mm0, %%mm1, %%mm2, %%mm3, %%mm4, %%mm5, OP)\
QPEL_H264V(%%mm1, %%mm2, %%mm3, %%mm4, %%mm5, %%mm0, OP)\
\
: "+a"(temp_ptr), "+c"(dst), "+d"(h)\
: "S"(dstStride), "m"(ff_pw_5), "m"(ff_pw_16)\
: "+a"(src), "+c"(dst)\
: "S"(srcStride), "D"(dstStride), "m"(ff_pw_5), "m"(ff_pw_16)\
: "memory"\
);\
);\
src += 4-13*srcStride;\
dst += 4-8*dstStride;\
}\
}\
static void OPNAME ## h264_qpel8_hv_lowpass_ ## MMX(uint8_t *dst, int16_t *tmp, uint8_t *src, int dstStride, int tmpStride, int srcStride){\
OPNAME ## h264_qpel4_hv_lowpass_ ## MMX(dst , tmp , src , dstStride, tmpStride, srcStride);\
......
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