diff options
author | Robert Edele <yartrebo@earthlink.net> | 2006-03-21 21:51:07 +0000 |
---|---|---|
committer | Corey Hickey <bugfood-ml@fatooh.org> | 2006-03-21 21:51:07 +0000 |
commit | 2c9a0285d499b2e525d465c4cbc3fcb7088b65ab (patch) | |
tree | f7209492f9b3765e87350d8ba38956acdc2bff3d | |
parent | 8fcdd831f4575d9b6d5d886e2ec85776ce086dfa (diff) | |
download | ffmpeg-2c9a0285d499b2e525d465c4cbc3fcb7088b65ab.tar.gz |
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
-rw-r--r-- | libavcodec/i386/dsputil_mmx.c | 6 | ||||
-rw-r--r-- | libavcodec/i386/snowdsp_mmx.c | 406 |
2 files changed, 412 insertions, 0 deletions
diff --git a/libavcodec/i386/dsputil_mmx.c b/libavcodec/i386/dsputil_mmx.c index a5e9675e99..72e3bd1937 100644 --- a/libavcodec/i386/dsputil_mmx.c +++ b/libavcodec/i386/dsputil_mmx.c @@ -2564,8 +2564,12 @@ static void ff_idct_xvid_mmx2_add(uint8_t *dest, int line_size, DCTELEM *block) } #endif +#ifdef CONFIG_SNOW_ENCODER +extern void ff_snow_horizontal_compose97i_sse2(DWTELEM *b, int width); +extern void ff_snow_horizontal_compose97i_mmx(DWTELEM *b, int width); extern void ff_snow_vertical_compose97i_sse2(DWTELEM *b0, DWTELEM *b1, DWTELEM *b2, DWTELEM *b3, DWTELEM *b4, DWTELEM *b5, int width); extern void ff_snow_vertical_compose97i_mmx(DWTELEM *b0, DWTELEM *b1, DWTELEM *b2, DWTELEM *b3, DWTELEM *b4, DWTELEM *b5, int width); +#endif void dsputil_init_mmx(DSPContext* c, AVCodecContext *avctx) { @@ -2956,9 +2960,11 @@ void dsputil_init_mmx(DSPContext* c, AVCodecContext *avctx) #ifdef CONFIG_SNOW_ENCODER if(mm_flags & MM_SSE2){ + c->horizontal_compose97i = ff_snow_horizontal_compose97i_sse2; c->vertical_compose97i = ff_snow_vertical_compose97i_sse2; } else{ + c->horizontal_compose97i = ff_snow_horizontal_compose97i_mmx; c->vertical_compose97i = ff_snow_vertical_compose97i_mmx; } #endif diff --git a/libavcodec/i386/snowdsp_mmx.c b/libavcodec/i386/snowdsp_mmx.c index 9f5f067db5..a66b9fb5fc 100644 --- a/libavcodec/i386/snowdsp_mmx.c +++ b/libavcodec/i386/snowdsp_mmx.c @@ -21,6 +21,412 @@ #include "../snow.h" #include "mmx.h" +static void always_inline snow_interleave_line_header(int * i, int width, DWTELEM * low, DWTELEM * high){ + (*i) = (width) - 2; + + if (width & 1){ + low[(*i)+1] = low[((*i)+1)>>1]; + (*i)--; + } +} + +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){ + for(; i<w; i++){ + dst[i] = src[i] - ((mul * (ref[i] + ref[i + 1]) + add) >> shift); + } + + if((width^lift_high)&1){ + dst[w] = src[w] - ((mul * 2 * ref[w] + add) >> shift); + } +} + +static void always_inline snow_horizontal_compose_liftS_lead_out(int i, DWTELEM * dst, DWTELEM * src, DWTELEM * ref, int width, int w){ + for(; i<w; i++){ + dst[i] = src[i] - (((-(ref[i] + ref[(i+1)])+W_BO) - 4 * src[i]) >> W_BS); + } + + if(width&1){ + dst[w] = src[w] - (((-2 * ref[w] + W_BO) - 4 * src[w]) >> W_BS); + } +} + +void ff_snow_horizontal_compose97i_sse2(DWTELEM *b, int width){ + const int w2= (width+1)>>1; + // SSE2 code runs faster with pointers aligned on a 32-byte boundary. + DWTELEM temp_buf[(width>>1) + 4]; + DWTELEM * const temp = temp_buf + 4 - (((int)temp_buf & 0xF) >> 2); + const int w_l= (width>>1); + const int w_r= w2 - 1; + int i; + + { // Lift 0 + DWTELEM * const ref = b + w2 - 1; + DWTELEM b_0 = b[0]; //By allowing the first entry in b[0] to be calculated twice + // (the first time erroneously), we allow the SSE2 code to run an extra pass. + // The savings in code and time are well worth having to store this value and + // calculate b[0] correctly afterwards. + + i = 0; + asm volatile( + "pcmpeqd %%xmm7, %%xmm7 \n\t" + "pslld $31, %%xmm7 \n\t" + "psrld $29, %%xmm7 \n\t" + ::); + for(; i<w_l-7; i+=8){ + asm volatile( + "movdqu (%1), %%xmm1 \n\t" + "movdqu 16(%1), %%xmm5 \n\t" + "movdqu 4(%1), %%xmm2 \n\t" + "movdqu 20(%1), %%xmm6 \n\t" + "paddd %%xmm1, %%xmm2 \n\t" + "paddd %%xmm5, %%xmm6 \n\t" + "movdqa %%xmm2, %%xmm0 \n\t" + "movdqa %%xmm6, %%xmm4 \n\t" + "paddd %%xmm2, %%xmm2 \n\t" + "paddd %%xmm6, %%xmm6 \n\t" + "paddd %%xmm0, %%xmm2 \n\t" + "paddd %%xmm4, %%xmm6 \n\t" + "paddd %%xmm7, %%xmm2 \n\t" + "paddd %%xmm7, %%xmm6 \n\t" + "psrad $3, %%xmm2 \n\t" + "psrad $3, %%xmm6 \n\t" + "movdqa (%0), %%xmm0 \n\t" + "movdqa 16(%0), %%xmm4 \n\t" + "psubd %%xmm2, %%xmm0 \n\t" + "psubd %%xmm6, %%xmm4 \n\t" + "movdqa %%xmm0, (%0) \n\t" + "movdqa %%xmm4, 16(%0) \n\t" + :: "r"(&b[i]), "r"(&ref[i]) + : "memory" + ); + } + snow_horizontal_compose_lift_lead_out(i, b, b, ref, width, w_l, 0, W_DM, W_DO, W_DS); + b[0] = b_0 - ((W_DM * 2 * ref[1]+W_DO)>>W_DS); + } + + { // Lift 1 + DWTELEM * const dst = b+w2; + + i = 0; + for(; (((long)&dst[i]) & 0xF) && i<w_r; i++){ + dst[i] = dst[i] - (b[i] + b[i + 1]); + } + for(; i<w_r-7; i+=8){ + asm volatile( + "movdqu (%1), %%xmm1 \n\t" + "movdqu 16(%1), %%xmm5 \n\t" + "movdqu 4(%1), %%xmm2 \n\t" + "movdqu 20(%1), %%xmm6 \n\t" + "paddd %%xmm1, %%xmm2 \n\t" + "paddd %%xmm5, %%xmm6 \n\t" + "movdqa (%0), %%xmm0 \n\t" + "movdqa 16(%0), %%xmm4 \n\t" + "psubd %%xmm2, %%xmm0 \n\t" + "psubd %%xmm6, %%xmm4 \n\t" + "movdqa %%xmm0, (%0) \n\t" + "movdqa %%xmm4, 16(%0) \n\t" + :: "r"(&dst[i]), "r"(&b[i]) + : "memory" + ); + } + snow_horizontal_compose_lift_lead_out(i, dst, dst, b, width, w_r, 1, W_CM, W_CO, W_CS); + } + + { // Lift 2 + DWTELEM * const ref = b+w2 - 1; + DWTELEM b_0 = b[0]; + + i = 0; + asm volatile( + "pslld $1, %%xmm7 \n\t" /* xmm7 already holds a '4' from 2 lifts ago. */ + ::); + for(; i<w_l-7; i+=8){ + asm volatile( + "movdqu (%1), %%xmm1 \n\t" + "movdqu 16(%1), %%xmm5 \n\t" + "movdqu 4(%1), %%xmm0 \n\t" + "movdqu 20(%1), %%xmm4 \n\t" + "paddd %%xmm1, %%xmm0 \n\t" + "paddd %%xmm5, %%xmm4 \n\t" + "movdqa %%xmm7, %%xmm1 \n\t" + "movdqa %%xmm7, %%xmm5 \n\t" + "psubd %%xmm0, %%xmm1 \n\t" + "psubd %%xmm4, %%xmm5 \n\t" + "movdqa (%0), %%xmm0 \n\t" + "movdqa 16(%0), %%xmm4 \n\t" + "pslld $2, %%xmm0 \n\t" + "pslld $2, %%xmm4 \n\t" + "psubd %%xmm0, %%xmm1 \n\t" + "psubd %%xmm4, %%xmm5 \n\t" + "psrad $4, %%xmm1 \n\t" + "psrad $4, %%xmm5 \n\t" + "movdqa (%0), %%xmm0 \n\t" + "movdqa 16(%0), %%xmm4 \n\t" + "psubd %%xmm1, %%xmm0 \n\t" + "psubd %%xmm5, %%xmm4 \n\t" + "movdqa %%xmm0, (%0) \n\t" + "movdqa %%xmm4, 16(%0) \n\t" + :: "r"(&b[i]), "r"(&ref[i]) + : "memory" + ); + } + snow_horizontal_compose_liftS_lead_out(i, b, b, ref, width, w_l); + b[0] = b_0 - (((-2 * ref[1] + W_BO) - 4 * b_0) >> W_BS); + } + + { // Lift 3 + DWTELEM * const src = b+w2; + + i = 0; + for(; (((long)&temp[i]) & 0xF) && i<w_r; i++){ + temp[i] = src[i] - ((-W_AM*(b[i] + b[i+1]))>>W_AS); + } + for(; i<w_r-7; i+=8){ + asm volatile( + "movdqu 4(%1), %%xmm2 \n\t" + "movdqu 20(%1), %%xmm6 \n\t" + "paddd (%1), %%xmm2 \n\t" + "paddd 16(%1), %%xmm6 \n\t" + "movdqa %%xmm2, %%xmm0 \n\t" + "movdqa %%xmm6, %%xmm4 \n\t" + "pslld $2, %%xmm2 \n\t" + "pslld $2, %%xmm6 \n\t" + "psubd %%xmm2, %%xmm0 \n\t" + "psubd %%xmm6, %%xmm4 \n\t" + "psrad $1, %%xmm0 \n\t" + "psrad $1, %%xmm4 \n\t" + "movdqu (%0), %%xmm2 \n\t" + "movdqu 16(%0), %%xmm6 \n\t" + "psubd %%xmm0, %%xmm2 \n\t" + "psubd %%xmm4, %%xmm6 \n\t" + "movdqa %%xmm2, (%2) \n\t" + "movdqa %%xmm6, 16(%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 & 0x1E) != 0x1E; i-=2){ + b[i+1] = temp[i>>1]; + b[i] = b[i>>1]; + } + for (i-=30; i>=0; i-=32){ + asm volatile( + "movdqa (%1), %%xmm0 \n\t" + "movdqa 16(%1), %%xmm2 \n\t" + "movdqa 32(%1), %%xmm4 \n\t" + "movdqa 48(%1), %%xmm6 \n\t" + "movdqa (%1), %%xmm1 \n\t" + "movdqa 16(%1), %%xmm3 \n\t" + "movdqa 32(%1), %%xmm5 \n\t" + "movdqa 48(%1), %%xmm7 \n\t" + "punpckldq (%2), %%xmm0 \n\t" + "punpckldq 16(%2), %%xmm2 \n\t" + "punpckldq 32(%2), %%xmm4 \n\t" + "punpckldq 48(%2), %%xmm6 \n\t" + "movdqa %%xmm0, (%0) \n\t" + "movdqa %%xmm2, 32(%0) \n\t" + "movdqa %%xmm4, 64(%0) \n\t" + "movdqa %%xmm6, 96(%0) \n\t" + "punpckhdq (%2), %%xmm1 \n\t" + "punpckhdq 16(%2), %%xmm3 \n\t" + "punpckhdq 32(%2), %%xmm5 \n\t" + "punpckhdq 48(%2), %%xmm7 \n\t" + "movdqa %%xmm1, 16(%0) \n\t" + "movdqa %%xmm3, 48(%0) \n\t" + "movdqa %%xmm5, 80(%0) \n\t" + "movdqa %%xmm7, 112(%0) \n\t" + :: "r"(&(b)[i]), "r"(&(b)[i>>1]), "r"(&(temp)[i>>1]) + : "memory" + ); + } + } +} + +void ff_snow_horizontal_compose97i_mmx(DWTELEM *b, int width){ + const int w2= (width+1)>>1; + DWTELEM temp[width >> 1]; + const int w_l= (width>>1); + const int w_r= w2 - 1; + int i; + + { // Lift 0 + DWTELEM * const ref = b + w2 - 1; + + i = 1; + b[0] = b[0] - ((W_DM * 2 * ref[1]+W_DO)>>W_DS); + asm volatile( + "pcmpeqd %%mm7, %%mm7 \n\t" + "pslld $31, %%mm7 \n\t" + "psrld $29, %%mm7 \n\t" + ::); + for(; i<w_l-3; i+=4){ + asm volatile( + "movq (%1), %%mm2 \n\t" + "movq 8(%1), %%mm6 \n\t" + "paddd 4(%1), %%mm2 \n\t" + "paddd 12(%1), %%mm6 \n\t" + "movq %%mm2, %%mm0 \n\t" + "movq %%mm6, %%mm4 \n\t" + "paddd %%mm2, %%mm2 \n\t" + "paddd %%mm6, %%mm6 \n\t" + "paddd %%mm0, %%mm2 \n\t" + "paddd %%mm4, %%mm6 \n\t" + "paddd %%mm7, %%mm2 \n\t" + "paddd %%mm7, %%mm6 \n\t" + "psrad $3, %%mm2 \n\t" + "psrad $3, %%mm6 \n\t" + "movq (%0), %%mm0 \n\t" + "movq 8(%0), %%mm4 \n\t" + "psubd %%mm2, %%mm0 \n\t" + "psubd %%mm6, %%mm4 \n\t" + "movq %%mm0, (%0) \n\t" + "movq %%mm4, 8(%0) \n\t" + :: "r"(&b[i]), "r"(&ref[i]) + : "memory" + ); + } + snow_horizontal_compose_lift_lead_out(i, b, b, ref, width, w_l, 0, W_DM, W_DO, W_DS); + } + + { // Lift 1 + DWTELEM * const dst = b+w2; + + i = 0; + for(; i<w_r-3; i+=4){ + asm volatile( + "movq (%1), %%mm2 \n\t" + "movq 8(%1), %%mm6 \n\t" + "paddd 4(%1), %%mm2 \n\t" + "paddd 12(%1), %%mm6 \n\t" + "movq (%0), %%mm0 \n\t" + "movq 8(%0), %%mm4 \n\t" + "psubd %%mm2, %%mm0 \n\t" + "psubd %%mm6, %%mm4 \n\t" + "movq %%mm0, (%0) \n\t" + "movq %%mm4, 8(%0) \n\t" + :: "r"(&dst[i]), "r"(&b[i]) + : "memory" + ); + } + snow_horizontal_compose_lift_lead_out(i, dst, dst, b, width, w_r, 1, W_CM, W_CO, W_CS); + } + + { // Lift 2 + DWTELEM * const ref = b+w2 - 1; + + i = 1; + b[0] = b[0] - (((-2 * ref[1] + W_BO) - 4 * b[0]) >> W_BS); + asm volatile( + "pslld $1, %%mm7 \n\t" /* xmm7 already holds a '4' from 2 lifts ago. */ + ::); + for(; i<w_l-3; i+=4){ + asm volatile( + "movq (%1), %%mm0 \n\t" + "movq 8(%1), %%mm4 \n\t" + "paddd 4(%1), %%mm0 \n\t" + "paddd 12(%1), %%mm4 \n\t" + "movq %%mm7, %%mm1 \n\t" + "movq %%mm7, %%mm5 \n\t" + "psubd %%mm0, %%mm1 \n\t" + "psubd %%mm4, %%mm5 \n\t" + "movq (%0), %%mm0 \n\t" + "movq 8(%0), %%mm4 \n\t" + "pslld $2, %%mm0 \n\t" + "pslld $2, %%mm4 \n\t" + "psubd %%mm0, %%mm1 \n\t" + "psubd %%mm4, %%mm5 \n\t" + "psrad $4, %%mm1 \n\t" + "psrad $4, %%mm5 \n\t" + "movq (%0), %%mm0 \n\t" + "movq 8(%0), %%mm4 \n\t" + "psubd %%mm1, %%mm0 \n\t" + "psubd %%mm5, %%mm4 \n\t" + "movq %%mm0, (%0) \n\t" + "movq %%mm4, 8(%0) \n\t" + :: "r"(&b[i]), "r"(&ref[i]) + : "memory" + ); + } + snow_horizontal_compose_liftS_lead_out(i, b, b, ref, width, w_l); + } + + { // Lift 3 + DWTELEM * const src = b+w2; + i = 0; + + 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"\ |