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snow mmx+sse2 optimizations, part 4
Patch by Robert Edele, yartrebo <<at>> earthlink <<dot>> net Originally committed as revision 5191 to svn://svn.ffmpeg.org/ffmpeg/trunk
This commit is contained in:
Robert Edele
Corey Hickey
parent
8fcdd831f4
commit
2c9a0285d4
@ -2564,8 +2564,12 @@ static void ff_idct_xvid_mmx2_add(uint8_t *dest, int line_size, DCTELEM *block)
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}
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#endif
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#ifdef CONFIG_SNOW_ENCODER
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extern void ff_snow_horizontal_compose97i_sse2(DWTELEM *b, int width);
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extern void ff_snow_horizontal_compose97i_mmx(DWTELEM *b, int width);
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extern void ff_snow_vertical_compose97i_sse2(DWTELEM *b0, DWTELEM *b1, DWTELEM *b2, DWTELEM *b3, DWTELEM *b4, DWTELEM *b5, int width);
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extern void ff_snow_vertical_compose97i_mmx(DWTELEM *b0, DWTELEM *b1, DWTELEM *b2, DWTELEM *b3, DWTELEM *b4, DWTELEM *b5, int width);
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#endif
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void dsputil_init_mmx(DSPContext* c, AVCodecContext *avctx)
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{
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@ -2956,9 +2960,11 @@ void dsputil_init_mmx(DSPContext* c, AVCodecContext *avctx)
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#ifdef CONFIG_SNOW_ENCODER
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if(mm_flags & MM_SSE2){
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c->horizontal_compose97i = ff_snow_horizontal_compose97i_sse2;
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c->vertical_compose97i = ff_snow_vertical_compose97i_sse2;
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}
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else{
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c->horizontal_compose97i = ff_snow_horizontal_compose97i_mmx;
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c->vertical_compose97i = ff_snow_vertical_compose97i_mmx;
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}
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#endif
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@ -21,6 +21,412 @@
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#include "../snow.h"
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#include "mmx.h"
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static void always_inline snow_interleave_line_header(int * i, int width, DWTELEM * low, DWTELEM * high){
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(*i) = (width) - 2;
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if (width & 1){
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low[(*i)+1] = low[((*i)+1)>>1];
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(*i)--;
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}
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}
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static void always_inline snow_horizontal_compose_lift_lead_out(int i, DWTELEM * dst, DWTELEM * src, DWTELEM * ref, int width, int w, int lift_high, int mul, int add, int shift){
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for(; i<w; i++){
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dst[i] = src[i] - ((mul * (ref[i] + ref[i + 1]) + add) >> shift);
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}
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if((width^lift_high)&1){
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dst[w] = src[w] - ((mul * 2 * ref[w] + add) >> shift);
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}
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}
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static void always_inline snow_horizontal_compose_liftS_lead_out(int i, DWTELEM * dst, DWTELEM * src, DWTELEM * ref, int width, int w){
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for(; i<w; i++){
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dst[i] = src[i] - (((-(ref[i] + ref[(i+1)])+W_BO) - 4 * src[i]) >> W_BS);
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}
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if(width&1){
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dst[w] = src[w] - (((-2 * ref[w] + W_BO) - 4 * src[w]) >> W_BS);
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}
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}
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void ff_snow_horizontal_compose97i_sse2(DWTELEM *b, int width){
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const int w2= (width+1)>>1;
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// SSE2 code runs faster with pointers aligned on a 32-byte boundary.
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DWTELEM temp_buf[(width>>1) + 4];
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DWTELEM * const temp = temp_buf + 4 - (((int)temp_buf & 0xF) >> 2);
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const int w_l= (width>>1);
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const int w_r= w2 - 1;
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int i;
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{ // Lift 0
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DWTELEM * const ref = b + w2 - 1;
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DWTELEM b_0 = b[0]; //By allowing the first entry in b[0] to be calculated twice
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// (the first time erroneously), we allow the SSE2 code to run an extra pass.
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// The savings in code and time are well worth having to store this value and
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// calculate b[0] correctly afterwards.
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i = 0;
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asm volatile(
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"pcmpeqd %%xmm7, %%xmm7 \n\t"
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"pslld $31, %%xmm7 \n\t"
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"psrld $29, %%xmm7 \n\t"
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::);
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for(; i<w_l-7; i+=8){
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asm volatile(
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"movdqu (%1), %%xmm1 \n\t"
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"movdqu 16(%1), %%xmm5 \n\t"
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"movdqu 4(%1), %%xmm2 \n\t"
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"movdqu 20(%1), %%xmm6 \n\t"
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"paddd %%xmm1, %%xmm2 \n\t"
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"paddd %%xmm5, %%xmm6 \n\t"
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"movdqa %%xmm2, %%xmm0 \n\t"
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"movdqa %%xmm6, %%xmm4 \n\t"
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"paddd %%xmm2, %%xmm2 \n\t"
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"paddd %%xmm6, %%xmm6 \n\t"
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"paddd %%xmm0, %%xmm2 \n\t"
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"paddd %%xmm4, %%xmm6 \n\t"
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"paddd %%xmm7, %%xmm2 \n\t"
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"paddd %%xmm7, %%xmm6 \n\t"
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"psrad $3, %%xmm2 \n\t"
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"psrad $3, %%xmm6 \n\t"
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"movdqa (%0), %%xmm0 \n\t"
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"movdqa 16(%0), %%xmm4 \n\t"
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"psubd %%xmm2, %%xmm0 \n\t"
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"psubd %%xmm6, %%xmm4 \n\t"
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"movdqa %%xmm0, (%0) \n\t"
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"movdqa %%xmm4, 16(%0) \n\t"
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:: "r"(&b[i]), "r"(&ref[i])
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: "memory"
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);
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}
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snow_horizontal_compose_lift_lead_out(i, b, b, ref, width, w_l, 0, W_DM, W_DO, W_DS);
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b[0] = b_0 - ((W_DM * 2 * ref[1]+W_DO)>>W_DS);
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}
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{ // Lift 1
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DWTELEM * const dst = b+w2;
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i = 0;
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for(; (((long)&dst[i]) & 0xF) && i<w_r; i++){
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dst[i] = dst[i] - (b[i] + b[i + 1]);
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}
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for(; i<w_r-7; i+=8){
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asm volatile(
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"movdqu (%1), %%xmm1 \n\t"
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"movdqu 16(%1), %%xmm5 \n\t"
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"movdqu 4(%1), %%xmm2 \n\t"
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"movdqu 20(%1), %%xmm6 \n\t"
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"paddd %%xmm1, %%xmm2 \n\t"
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"paddd %%xmm5, %%xmm6 \n\t"
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"movdqa (%0), %%xmm0 \n\t"
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"movdqa 16(%0), %%xmm4 \n\t"
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"psubd %%xmm2, %%xmm0 \n\t"
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"psubd %%xmm6, %%xmm4 \n\t"
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"movdqa %%xmm0, (%0) \n\t"
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"movdqa %%xmm4, 16(%0) \n\t"
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:: "r"(&dst[i]), "r"(&b[i])
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: "memory"
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);
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}
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snow_horizontal_compose_lift_lead_out(i, dst, dst, b, width, w_r, 1, W_CM, W_CO, W_CS);
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}
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{ // Lift 2
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DWTELEM * const ref = b+w2 - 1;
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DWTELEM b_0 = b[0];
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i = 0;
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asm volatile(
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"pslld $1, %%xmm7 \n\t" /* xmm7 already holds a '4' from 2 lifts ago. */
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::);
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for(; i<w_l-7; i+=8){
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asm volatile(
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"movdqu (%1), %%xmm1 \n\t"
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"movdqu 16(%1), %%xmm5 \n\t"
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"movdqu 4(%1), %%xmm0 \n\t"
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"movdqu 20(%1), %%xmm4 \n\t"
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"paddd %%xmm1, %%xmm0 \n\t"
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"paddd %%xmm5, %%xmm4 \n\t"
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"movdqa %%xmm7, %%xmm1 \n\t"
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"movdqa %%xmm7, %%xmm5 \n\t"
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"psubd %%xmm0, %%xmm1 \n\t"
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"psubd %%xmm4, %%xmm5 \n\t"
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"movdqa (%0), %%xmm0 \n\t"
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"movdqa 16(%0), %%xmm4 \n\t"
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"pslld $2, %%xmm0 \n\t"
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"pslld $2, %%xmm4 \n\t"
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"psubd %%xmm0, %%xmm1 \n\t"
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"psubd %%xmm4, %%xmm5 \n\t"
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"psrad $4, %%xmm1 \n\t"
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"psrad $4, %%xmm5 \n\t"
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"movdqa (%0), %%xmm0 \n\t"
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"movdqa 16(%0), %%xmm4 \n\t"
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"psubd %%xmm1, %%xmm0 \n\t"
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"psubd %%xmm5, %%xmm4 \n\t"
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"movdqa %%xmm0, (%0) \n\t"
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"movdqa %%xmm4, 16(%0) \n\t"
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:: "r"(&b[i]), "r"(&ref[i])
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: "memory"
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);
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}
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snow_horizontal_compose_liftS_lead_out(i, b, b, ref, width, w_l);
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b[0] = b_0 - (((-2 * ref[1] + W_BO) - 4 * b_0) >> W_BS);
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}
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{ // Lift 3
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DWTELEM * const src = b+w2;
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i = 0;
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for(; (((long)&temp[i]) & 0xF) && i<w_r; i++){
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temp[i] = src[i] - ((-W_AM*(b[i] + b[i+1]))>>W_AS);
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}
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for(; i<w_r-7; i+=8){
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asm volatile(
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"movdqu 4(%1), %%xmm2 \n\t"
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"movdqu 20(%1), %%xmm6 \n\t"
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"paddd (%1), %%xmm2 \n\t"
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"paddd 16(%1), %%xmm6 \n\t"
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"movdqa %%xmm2, %%xmm0 \n\t"
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"movdqa %%xmm6, %%xmm4 \n\t"
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"pslld $2, %%xmm2 \n\t"
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"pslld $2, %%xmm6 \n\t"
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"psubd %%xmm2, %%xmm0 \n\t"
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"psubd %%xmm6, %%xmm4 \n\t"
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"psrad $1, %%xmm0 \n\t"
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"psrad $1, %%xmm4 \n\t"
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"movdqu (%0), %%xmm2 \n\t"
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"movdqu 16(%0), %%xmm6 \n\t"
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"psubd %%xmm0, %%xmm2 \n\t"
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"psubd %%xmm4, %%xmm6 \n\t"
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"movdqa %%xmm2, (%2) \n\t"
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"movdqa %%xmm6, 16(%2) \n\t"
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:: "r"(&src[i]), "r"(&b[i]), "r"(&temp[i])
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: "memory"
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);
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}
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snow_horizontal_compose_lift_lead_out(i, temp, src, b, width, w_r, 1, -W_AM, W_AO, W_AS);
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}
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{
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snow_interleave_line_header(&i, width, b, temp);
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for (; (i & 0x1E) != 0x1E; i-=2){
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b[i+1] = temp[i>>1];
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b[i] = b[i>>1];
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}
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for (i-=30; i>=0; i-=32){
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asm volatile(
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"movdqa (%1), %%xmm0 \n\t"
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"movdqa 16(%1), %%xmm2 \n\t"
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"movdqa 32(%1), %%xmm4 \n\t"
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"movdqa 48(%1), %%xmm6 \n\t"
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"movdqa (%1), %%xmm1 \n\t"
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"movdqa 16(%1), %%xmm3 \n\t"
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"movdqa 32(%1), %%xmm5 \n\t"
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"movdqa 48(%1), %%xmm7 \n\t"
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"punpckldq (%2), %%xmm0 \n\t"
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"punpckldq 16(%2), %%xmm2 \n\t"
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"punpckldq 32(%2), %%xmm4 \n\t"
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"punpckldq 48(%2), %%xmm6 \n\t"
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"movdqa %%xmm0, (%0) \n\t"
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"movdqa %%xmm2, 32(%0) \n\t"
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"movdqa %%xmm4, 64(%0) \n\t"
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"movdqa %%xmm6, 96(%0) \n\t"
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"punpckhdq (%2), %%xmm1 \n\t"
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"punpckhdq 16(%2), %%xmm3 \n\t"
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"punpckhdq 32(%2), %%xmm5 \n\t"
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"punpckhdq 48(%2), %%xmm7 \n\t"
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"movdqa %%xmm1, 16(%0) \n\t"
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"movdqa %%xmm3, 48(%0) \n\t"
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"movdqa %%xmm5, 80(%0) \n\t"
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"movdqa %%xmm7, 112(%0) \n\t"
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:: "r"(&(b)[i]), "r"(&(b)[i>>1]), "r"(&(temp)[i>>1])
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: "memory"
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);
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}
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}
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}
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void ff_snow_horizontal_compose97i_mmx(DWTELEM *b, int width){
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const int w2= (width+1)>>1;
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DWTELEM temp[width >> 1];
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const int w_l= (width>>1);
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const int w_r= w2 - 1;
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int i;
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{ // Lift 0
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DWTELEM * const ref = b + w2 - 1;
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i = 1;
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b[0] = b[0] - ((W_DM * 2 * ref[1]+W_DO)>>W_DS);
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asm volatile(
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"pcmpeqd %%mm7, %%mm7 \n\t"
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"pslld $31, %%mm7 \n\t"
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"psrld $29, %%mm7 \n\t"
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::);
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for(; i<w_l-3; i+=4){
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asm volatile(
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"movq (%1), %%mm2 \n\t"
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"movq 8(%1), %%mm6 \n\t"
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"paddd 4(%1), %%mm2 \n\t"
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"paddd 12(%1), %%mm6 \n\t"
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"movq %%mm2, %%mm0 \n\t"
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"movq %%mm6, %%mm4 \n\t"
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"paddd %%mm2, %%mm2 \n\t"
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"paddd %%mm6, %%mm6 \n\t"
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"paddd %%mm0, %%mm2 \n\t"
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"paddd %%mm4, %%mm6 \n\t"
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"paddd %%mm7, %%mm2 \n\t"
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"paddd %%mm7, %%mm6 \n\t"
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"psrad $3, %%mm2 \n\t"
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"psrad $3, %%mm6 \n\t"
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"movq (%0), %%mm0 \n\t"
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"movq 8(%0), %%mm4 \n\t"
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"psubd %%mm2, %%mm0 \n\t"
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"psubd %%mm6, %%mm4 \n\t"
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"movq %%mm0, (%0) \n\t"
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"movq %%mm4, 8(%0) \n\t"
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:: "r"(&b[i]), "r"(&ref[i])
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: "memory"
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);
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}
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snow_horizontal_compose_lift_lead_out(i, b, b, ref, width, w_l, 0, W_DM, W_DO, W_DS);
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}
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{ // Lift 1
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DWTELEM * const dst = b+w2;
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i = 0;
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for(; i<w_r-3; i+=4){
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asm volatile(
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"movq (%1), %%mm2 \n\t"
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"movq 8(%1), %%mm6 \n\t"
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"paddd 4(%1), %%mm2 \n\t"
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"paddd 12(%1), %%mm6 \n\t"
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"movq (%0), %%mm0 \n\t"
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"movq 8(%0), %%mm4 \n\t"
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"psubd %%mm2, %%mm0 \n\t"
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"psubd %%mm6, %%mm4 \n\t"
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"movq %%mm0, (%0) \n\t"
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"movq %%mm4, 8(%0) \n\t"
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:: "r"(&dst[i]), "r"(&b[i])
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: "memory"
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);
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}
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snow_horizontal_compose_lift_lead_out(i, dst, dst, b, width, w_r, 1, W_CM, W_CO, W_CS);
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}
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{ // Lift 2
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DWTELEM * const ref = b+w2 - 1;
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i = 1;
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b[0] = b[0] - (((-2 * ref[1] + W_BO) - 4 * b[0]) >> W_BS);
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asm volatile(
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"pslld $1, %%mm7 \n\t" /* xmm7 already holds a '4' from 2 lifts ago. */
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::);
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for(; i<w_l-3; i+=4){
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asm volatile(
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"movq (%1), %%mm0 \n\t"
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"movq 8(%1), %%mm4 \n\t"
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"paddd 4(%1), %%mm0 \n\t"
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"paddd 12(%1), %%mm4 \n\t"
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"movq %%mm7, %%mm1 \n\t"
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"movq %%mm7, %%mm5 \n\t"
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"psubd %%mm0, %%mm1 \n\t"
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"psubd %%mm4, %%mm5 \n\t"
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"movq (%0), %%mm0 \n\t"
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"movq 8(%0), %%mm4 \n\t"
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"pslld $2, %%mm0 \n\t"
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"pslld $2, %%mm4 \n\t"
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"psubd %%mm0, %%mm1 \n\t"
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"psubd %%mm4, %%mm5 \n\t"
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"psrad $4, %%mm1 \n\t"
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"psrad $4, %%mm5 \n\t"
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"movq (%0), %%mm0 \n\t"
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"movq 8(%0), %%mm4 \n\t"
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"psubd %%mm1, %%mm0 \n\t"
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"psubd %%mm5, %%mm4 \n\t"
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"movq %%mm0, (%0) \n\t"
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"movq %%mm4, 8(%0) \n\t"
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:: "r"(&b[i]), "r"(&ref[i])
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: "memory"
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);
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}
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snow_horizontal_compose_liftS_lead_out(i, b, b, ref, width, w_l);
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}
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{ // Lift 3
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DWTELEM * const src = b+w2;
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i = 0;
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for(; i<w_r-3; i+=4){
|
||||
asm volatile(
|
||||
"movq 4(%1), %%mm2 \n\t"
|
||||
"movq 12(%1), %%mm6 \n\t"
|
||||
"paddd (%1), %%mm2 \n\t"
|
||||
"paddd 8(%1), %%mm6 \n\t"
|
||||
"movq %%mm2, %%mm0 \n\t"
|
||||
"movq %%mm6, %%mm4 \n\t"
|
||||
"pslld $2, %%mm2 \n\t"
|
||||
"pslld $2, %%mm6 \n\t"
|
||||
"psubd %%mm2, %%mm0 \n\t"
|
||||
"psubd %%mm6, %%mm4 \n\t"
|
||||
"psrad $1, %%mm0 \n\t"
|
||||
"psrad $1, %%mm4 \n\t"
|
||||
"movq (%0), %%mm2 \n\t"
|
||||
"movq 8(%0), %%mm6 \n\t"
|
||||
"psubd %%mm0, %%mm2 \n\t"
|
||||
"psubd %%mm4, %%mm6 \n\t"
|
||||
"movq %%mm2, (%2) \n\t"
|
||||
"movq %%mm6, 8(%2) \n\t"
|
||||
:: "r"(&src[i]), "r"(&b[i]), "r"(&temp[i])
|
||||
: "memory"
|
||||
);
|
||||
}
|
||||
snow_horizontal_compose_lift_lead_out(i, temp, src, b, width, w_r, 1, -W_AM, W_AO, W_AS);
|
||||
}
|
||||
|
||||
{
|
||||
snow_interleave_line_header(&i, width, b, temp);
|
||||
|
||||
for (; (i & 0xE) != 0xE; i-=2){
|
||||
b[i+1] = temp[i>>1];
|
||||
b[i] = b[i>>1];
|
||||
}
|
||||
for (i-=14; i>=0; i-=16){
|
||||
asm volatile(
|
||||
"movq (%1), %%mm0 \n\t"
|
||||
"movq 8(%1), %%mm2 \n\t"
|
||||
"movq 16(%1), %%mm4 \n\t"
|
||||
"movq 24(%1), %%mm6 \n\t"
|
||||
"movq (%1), %%mm1 \n\t"
|
||||
"movq 8(%1), %%mm3 \n\t"
|
||||
"movq 16(%1), %%mm5 \n\t"
|
||||
"movq 24(%1), %%mm7 \n\t"
|
||||
"punpckldq (%2), %%mm0 \n\t"
|
||||
"punpckldq 8(%2), %%mm2 \n\t"
|
||||
"punpckldq 16(%2), %%mm4 \n\t"
|
||||
"punpckldq 24(%2), %%mm6 \n\t"
|
||||
"movq %%mm0, (%0) \n\t"
|
||||
"movq %%mm2, 16(%0) \n\t"
|
||||
"movq %%mm4, 32(%0) \n\t"
|
||||
"movq %%mm6, 48(%0) \n\t"
|
||||
"punpckhdq (%2), %%mm1 \n\t"
|
||||
"punpckhdq 8(%2), %%mm3 \n\t"
|
||||
"punpckhdq 16(%2), %%mm5 \n\t"
|
||||
"punpckhdq 24(%2), %%mm7 \n\t"
|
||||
"movq %%mm1, 8(%0) \n\t"
|
||||
"movq %%mm3, 24(%0) \n\t"
|
||||
"movq %%mm5, 40(%0) \n\t"
|
||||
"movq %%mm7, 56(%0) \n\t"
|
||||
:: "r"(&b[i]), "r"(&b[i>>1]), "r"(&temp[i>>1])
|
||||
: "memory"
|
||||
);
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
#define snow_vertical_compose_sse2_load_add(op,r,t0,t1,t2,t3)\
|
||||
""op" (%%"r",%%"REG_d",4), %%"t0" \n\t"\
|
||||
""op" 16(%%"r",%%"REG_d",4), %%"t1" \n\t"\
|
||||
|
||||
Loading…
Reference in New Issue
Block a user