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FFmpeg/libavcodec/i386/snowdsp_mmx.c

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/*
* MMX and SSE2 optimized snow DSP utils
* Copyright (c) 2005-2006 Robert Edele <yartrebo@earthlink.net>
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
#include "../avcodec.h"
#include "../snow.h"
#include "x86_cpu.h"
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"\
""op" 32(%%"r",%%"REG_d",4), %%"t2" \n\t"\
""op" 48(%%"r",%%"REG_d",4), %%"t3" \n\t"
#define snow_vertical_compose_sse2_load(r,t0,t1,t2,t3)\
snow_vertical_compose_sse2_load_add("movdqa",r,t0,t1,t2,t3)
#define snow_vertical_compose_sse2_add(r,t0,t1,t2,t3)\
snow_vertical_compose_sse2_load_add("paddd",r,t0,t1,t2,t3)
#define snow_vertical_compose_sse2_sub(s0,s1,s2,s3,t0,t1,t2,t3)\
"psubd %%"s0", %%"t0" \n\t"\
"psubd %%"s1", %%"t1" \n\t"\
"psubd %%"s2", %%"t2" \n\t"\
"psubd %%"s3", %%"t3" \n\t"
#define snow_vertical_compose_sse2_store(w,s0,s1,s2,s3)\
"movdqa %%"s0", (%%"w",%%"REG_d",4) \n\t"\
"movdqa %%"s1", 16(%%"w",%%"REG_d",4) \n\t"\
"movdqa %%"s2", 32(%%"w",%%"REG_d",4) \n\t"\
"movdqa %%"s3", 48(%%"w",%%"REG_d",4) \n\t"
#define snow_vertical_compose_sse2_sra(n,t0,t1,t2,t3)\
"psrad $"n", %%"t0" \n\t"\
"psrad $"n", %%"t1" \n\t"\
"psrad $"n", %%"t2" \n\t"\
"psrad $"n", %%"t3" \n\t"
#define snow_vertical_compose_sse2_r2r_add(s0,s1,s2,s3,t0,t1,t2,t3)\
"paddd %%"s0", %%"t0" \n\t"\
"paddd %%"s1", %%"t1" \n\t"\
"paddd %%"s2", %%"t2" \n\t"\
"paddd %%"s3", %%"t3" \n\t"
#define snow_vertical_compose_sse2_sll(n,t0,t1,t2,t3)\
"pslld $"n", %%"t0" \n\t"\
"pslld $"n", %%"t1" \n\t"\
"pslld $"n", %%"t2" \n\t"\
"pslld $"n", %%"t3" \n\t"
#define snow_vertical_compose_sse2_move(s0,s1,s2,s3,t0,t1,t2,t3)\
"movdqa %%"s0", %%"t0" \n\t"\
"movdqa %%"s1", %%"t1" \n\t"\
"movdqa %%"s2", %%"t2" \n\t"\
"movdqa %%"s3", %%"t3" \n\t"
void ff_snow_vertical_compose97i_sse2(DWTELEM *b0, DWTELEM *b1, DWTELEM *b2, DWTELEM *b3, DWTELEM *b4, DWTELEM *b5, int width){
long i = width;
while(i & 0xF)
{
i--;
b4[i] -= (W_DM*(b3[i] + b5[i])+W_DO)>>W_DS;
b3[i] -= (W_CM*(b2[i] + b4[i])+W_CO)>>W_CS;
b2[i] += (W_BM*(b1[i] + b3[i])+4*b2[i]+W_BO)>>W_BS;
b1[i] += (W_AM*(b0[i] + b2[i])+W_AO)>>W_AS;
}
asm volatile (
"jmp 2f \n\t"
"1: \n\t"
"mov %6, %%"REG_a" \n\t"
"mov %4, %%"REG_S" \n\t"
snow_vertical_compose_sse2_load(REG_S,"xmm0","xmm2","xmm4","xmm6")
snow_vertical_compose_sse2_add(REG_a,"xmm0","xmm2","xmm4","xmm6")
snow_vertical_compose_sse2_move("xmm0","xmm2","xmm4","xmm6","xmm1","xmm3","xmm5","xmm7")
snow_vertical_compose_sse2_sll("1","xmm0","xmm2","xmm4","xmm6")\
snow_vertical_compose_sse2_r2r_add("xmm1","xmm3","xmm5","xmm7","xmm0","xmm2","xmm4","xmm6")
"pcmpeqd %%xmm1, %%xmm1 \n\t"
"pslld $31, %%xmm1 \n\t"
"psrld $29, %%xmm1 \n\t"
"mov %5, %%"REG_a" \n\t"
snow_vertical_compose_sse2_r2r_add("xmm1","xmm1","xmm1","xmm1","xmm0","xmm2","xmm4","xmm6")
snow_vertical_compose_sse2_sra("3","xmm0","xmm2","xmm4","xmm6")
snow_vertical_compose_sse2_load(REG_a,"xmm1","xmm3","xmm5","xmm7")
snow_vertical_compose_sse2_sub("xmm0","xmm2","xmm4","xmm6","xmm1","xmm3","xmm5","xmm7")
snow_vertical_compose_sse2_store(REG_a,"xmm1","xmm3","xmm5","xmm7")
"mov %3, %%"REG_c" \n\t"
snow_vertical_compose_sse2_load(REG_S,"xmm0","xmm2","xmm4","xmm6")
snow_vertical_compose_sse2_add(REG_c,"xmm1","xmm3","xmm5","xmm7")
snow_vertical_compose_sse2_sub("xmm1","xmm3","xmm5","xmm7","xmm0","xmm2","xmm4","xmm6")
snow_vertical_compose_sse2_store(REG_S,"xmm0","xmm2","xmm4","xmm6")
"mov %2, %%"REG_a" \n\t"
snow_vertical_compose_sse2_load(REG_c,"xmm1","xmm3","xmm5","xmm7")
snow_vertical_compose_sse2_add(REG_a,"xmm0","xmm2","xmm4","xmm6")
snow_vertical_compose_sse2_sll("2","xmm1","xmm3","xmm5","xmm7")\
snow_vertical_compose_sse2_r2r_add("xmm1","xmm3","xmm5","xmm7","xmm0","xmm2","xmm4","xmm6")
"pcmpeqd %%xmm1, %%xmm1 \n\t"
"pslld $31, %%xmm1 \n\t"
"psrld $28, %%xmm1 \n\t"
"mov %1, %%"REG_S" \n\t"
snow_vertical_compose_sse2_r2r_add("xmm1","xmm1","xmm1","xmm1","xmm0","xmm2","xmm4","xmm6")
snow_vertical_compose_sse2_sra("4","xmm0","xmm2","xmm4","xmm6")
snow_vertical_compose_sse2_add(REG_c,"xmm0","xmm2","xmm4","xmm6")
snow_vertical_compose_sse2_store(REG_c,"xmm0","xmm2","xmm4","xmm6")
snow_vertical_compose_sse2_add(REG_S,"xmm0","xmm2","xmm4","xmm6")
snow_vertical_compose_sse2_move("xmm0","xmm2","xmm4","xmm6","xmm1","xmm3","xmm5","xmm7")
snow_vertical_compose_sse2_sll("1","xmm0","xmm2","xmm4","xmm6")\
snow_vertical_compose_sse2_r2r_add("xmm1","xmm3","xmm5","xmm7","xmm0","xmm2","xmm4","xmm6")
snow_vertical_compose_sse2_sra("1","xmm0","xmm2","xmm4","xmm6")
snow_vertical_compose_sse2_add(REG_a,"xmm0","xmm2","xmm4","xmm6")
snow_vertical_compose_sse2_store(REG_a,"xmm0","xmm2","xmm4","xmm6")
"2: \n\t"
"sub $16, %%"REG_d" \n\t"
"jge 1b \n\t"
:"+d"(i)
:
"m"(b0),"m"(b1),"m"(b2),"m"(b3),"m"(b4),"m"(b5):
"%"REG_a"","%"REG_S"","%"REG_c"");
}
#define snow_vertical_compose_mmx_load_add(op,r,t0,t1,t2,t3)\
""op" (%%"r",%%"REG_d",4), %%"t0" \n\t"\
""op" 8(%%"r",%%"REG_d",4), %%"t1" \n\t"\
""op" 16(%%"r",%%"REG_d",4), %%"t2" \n\t"\
""op" 24(%%"r",%%"REG_d",4), %%"t3" \n\t"
#define snow_vertical_compose_mmx_load(r,t0,t1,t2,t3)\
snow_vertical_compose_mmx_load_add("movq",r,t0,t1,t2,t3)
#define snow_vertical_compose_mmx_add(r,t0,t1,t2,t3)\
snow_vertical_compose_mmx_load_add("paddd",r,t0,t1,t2,t3)
#define snow_vertical_compose_mmx_sub(s0,s1,s2,s3,t0,t1,t2,t3)\
snow_vertical_compose_sse2_sub(s0,s1,s2,s3,t0,t1,t2,t3)
#define snow_vertical_compose_mmx_store(w,s0,s1,s2,s3)\
"movq %%"s0", (%%"w",%%"REG_d",4) \n\t"\
"movq %%"s1", 8(%%"w",%%"REG_d",4) \n\t"\
"movq %%"s2", 16(%%"w",%%"REG_d",4) \n\t"\
"movq %%"s3", 24(%%"w",%%"REG_d",4) \n\t"
#define snow_vertical_compose_mmx_sra(n,t0,t1,t2,t3)\
snow_vertical_compose_sse2_sra(n,t0,t1,t2,t3)
#define snow_vertical_compose_mmx_r2r_add(s0,s1,s2,s3,t0,t1,t2,t3)\
snow_vertical_compose_sse2_r2r_add(s0,s1,s2,s3,t0,t1,t2,t3)
#define snow_vertical_compose_mmx_sll(n,t0,t1,t2,t3)\
snow_vertical_compose_sse2_sll(n,t0,t1,t2,t3)
#define snow_vertical_compose_mmx_move(s0,s1,s2,s3,t0,t1,t2,t3)\
"movq %%"s0", %%"t0" \n\t"\
"movq %%"s1", %%"t1" \n\t"\
"movq %%"s2", %%"t2" \n\t"\
"movq %%"s3", %%"t3" \n\t"
void ff_snow_vertical_compose97i_mmx(DWTELEM *b0, DWTELEM *b1, DWTELEM *b2, DWTELEM *b3, DWTELEM *b4, DWTELEM *b5, int width){
long i = width;
while(i & 0x7)
{
i--;
b4[i] -= (W_DM*(b3[i] + b5[i])+W_DO)>>W_DS;
b3[i] -= (W_CM*(b2[i] + b4[i])+W_CO)>>W_CS;
b2[i] += (W_BM*(b1[i] + b3[i])+4*b2[i]+W_BO)>>W_BS;
b1[i] += (W_AM*(b0[i] + b2[i])+W_AO)>>W_AS;
}
asm volatile(
"jmp 2f \n\t"
"1: \n\t"
"mov %6, %%"REG_a" \n\t"
"mov %4, %%"REG_S" \n\t"
snow_vertical_compose_mmx_load(REG_S,"mm0","mm2","mm4","mm6")
snow_vertical_compose_mmx_add(REG_a,"mm0","mm2","mm4","mm6")
snow_vertical_compose_mmx_move("mm0","mm2","mm4","mm6","mm1","mm3","mm5","mm7")
snow_vertical_compose_mmx_sll("1","mm0","mm2","mm4","mm6")
snow_vertical_compose_mmx_r2r_add("mm1","mm3","mm5","mm7","mm0","mm2","mm4","mm6")
"pcmpeqd %%mm1, %%mm1 \n\t"
"pslld $31, %%mm1 \n\t"
"psrld $29, %%mm1 \n\t"
"mov %5, %%"REG_a" \n\t"
snow_vertical_compose_mmx_r2r_add("mm1","mm1","mm1","mm1","mm0","mm2","mm4","mm6")
snow_vertical_compose_mmx_sra("3","mm0","mm2","mm4","mm6")
snow_vertical_compose_mmx_load(REG_a,"mm1","mm3","mm5","mm7")
snow_vertical_compose_mmx_sub("mm0","mm2","mm4","mm6","mm1","mm3","mm5","mm7")
snow_vertical_compose_mmx_store(REG_a,"mm1","mm3","mm5","mm7")
"mov %3, %%"REG_c" \n\t"
snow_vertical_compose_mmx_load(REG_S,"mm0","mm2","mm4","mm6")
snow_vertical_compose_mmx_add(REG_c,"mm1","mm3","mm5","mm7")
snow_vertical_compose_mmx_sub("mm1","mm3","mm5","mm7","mm0","mm2","mm4","mm6")
snow_vertical_compose_mmx_store(REG_S,"mm0","mm2","mm4","mm6")
"mov %2, %%"REG_a" \n\t"
snow_vertical_compose_mmx_load(REG_c,"mm1","mm3","mm5","mm7")
snow_vertical_compose_mmx_add(REG_a,"mm0","mm2","mm4","mm6")
snow_vertical_compose_mmx_sll("2","mm1","mm3","mm5","mm7")
snow_vertical_compose_mmx_r2r_add("mm1","mm3","mm5","mm7","mm0","mm2","mm4","mm6")
"pcmpeqd %%mm1, %%mm1 \n\t"
"pslld $31, %%mm1 \n\t"
"psrld $28, %%mm1 \n\t"
"mov %1, %%"REG_S" \n\t"
snow_vertical_compose_mmx_r2r_add("mm1","mm1","mm1","mm1","mm0","mm2","mm4","mm6")
snow_vertical_compose_mmx_sra("4","mm0","mm2","mm4","mm6")
snow_vertical_compose_mmx_add(REG_c,"mm0","mm2","mm4","mm6")
snow_vertical_compose_mmx_store(REG_c,"mm0","mm2","mm4","mm6")
snow_vertical_compose_mmx_add(REG_S,"mm0","mm2","mm4","mm6")
snow_vertical_compose_mmx_move("mm0","mm2","mm4","mm6","mm1","mm3","mm5","mm7")
snow_vertical_compose_mmx_sll("1","mm0","mm2","mm4","mm6")
snow_vertical_compose_mmx_r2r_add("mm1","mm3","mm5","mm7","mm0","mm2","mm4","mm6")
snow_vertical_compose_mmx_sra("1","mm0","mm2","mm4","mm6")
snow_vertical_compose_mmx_add(REG_a,"mm0","mm2","mm4","mm6")
snow_vertical_compose_mmx_store(REG_a,"mm0","mm2","mm4","mm6")
"2: \n\t"
"sub $8, %%"REG_d" \n\t"
"jge 1b \n\t"
:"+d"(i)
:
"m"(b0),"m"(b1),"m"(b2),"m"(b3),"m"(b4),"m"(b5):
"%"REG_a"","%"REG_S"","%"REG_c"");
}
#define snow_inner_add_yblock_sse2_header \
DWTELEM * * dst_array = sb->line + src_y;\
long tmp;\
asm volatile(\
"mov %7, %%"REG_c" \n\t"\
"mov %6, %2 \n\t"\
"mov %4, %%"REG_S" \n\t"\
"pxor %%xmm7, %%xmm7 \n\t" /* 0 */\
"pcmpeqd %%xmm3, %%xmm3 \n\t"\
"pslld $31, %%xmm3 \n\t"\
"psrld $24, %%xmm3 \n\t" /* FRAC_BITS >> 1 */\
"1: \n\t"\
"mov %1, %%"REG_D" \n\t"\
"mov (%%"REG_D"), %%"REG_D" \n\t"\
"add %3, %%"REG_D" \n\t"
#define snow_inner_add_yblock_sse2_start_8(out_reg1, out_reg2, ptr_offset, s_offset)\
"mov "PTR_SIZE"*"ptr_offset"(%%"REG_a"), %%"REG_d"; \n\t"\
"movq (%%"REG_d"), %%"out_reg1" \n\t"\
"movq (%%"REG_d", %%"REG_c"), %%"out_reg2" \n\t"\
"punpcklbw %%xmm7, %%"out_reg1" \n\t"\
"punpcklbw %%xmm7, %%"out_reg2" \n\t"\
"movq "s_offset"(%%"REG_S"), %%xmm0 \n\t"\
"movq "s_offset"+16(%%"REG_S"), %%xmm4 \n\t"\
"punpcklbw %%xmm7, %%xmm0 \n\t"\
"punpcklbw %%xmm7, %%xmm4 \n\t"\
"pmullw %%xmm0, %%"out_reg1" \n\t"\
"pmullw %%xmm4, %%"out_reg2" \n\t"
#define snow_inner_add_yblock_sse2_start_16(out_reg1, out_reg2, ptr_offset, s_offset)\
"mov "PTR_SIZE"*"ptr_offset"(%%"REG_a"), %%"REG_d"; \n\t"\
"movq (%%"REG_d"), %%"out_reg1" \n\t"\
"movq 8(%%"REG_d"), %%"out_reg2" \n\t"\
"punpcklbw %%xmm7, %%"out_reg1" \n\t"\
"punpcklbw %%xmm7, %%"out_reg2" \n\t"\
"movq "s_offset"(%%"REG_S"), %%xmm0 \n\t"\
"movq "s_offset"+8(%%"REG_S"), %%xmm4 \n\t"\
"punpcklbw %%xmm7, %%xmm0 \n\t"\
"punpcklbw %%xmm7, %%xmm4 \n\t"\
"pmullw %%xmm0, %%"out_reg1" \n\t"\
"pmullw %%xmm4, %%"out_reg2" \n\t"
#define snow_inner_add_yblock_sse2_accum_8(ptr_offset, s_offset) \
snow_inner_add_yblock_sse2_start_8("xmm2", "xmm6", ptr_offset, s_offset)\
"paddusw %%xmm2, %%xmm1 \n\t"\
"paddusw %%xmm6, %%xmm5 \n\t"
#define snow_inner_add_yblock_sse2_accum_16(ptr_offset, s_offset) \
snow_inner_add_yblock_sse2_start_16("xmm2", "xmm6", ptr_offset, s_offset)\
"paddusw %%xmm2, %%xmm1 \n\t"\
"paddusw %%xmm6, %%xmm5 \n\t"
#define snow_inner_add_yblock_sse2_end_common1\
"add $32, %%"REG_S" \n\t"\
"add %%"REG_c", %0 \n\t"\
"add %%"REG_c", "PTR_SIZE"*3(%%"REG_a");\n\t"\
"add %%"REG_c", "PTR_SIZE"*2(%%"REG_a");\n\t"\
"add %%"REG_c", "PTR_SIZE"*1(%%"REG_a");\n\t"\
"add %%"REG_c", (%%"REG_a") \n\t"
#define snow_inner_add_yblock_sse2_end_common2\
"jnz 1b \n\t"\
:"+m"(dst8),"+m"(dst_array),"=&r"(tmp)\
:\
"rm"((long)(src_x<<2)),"m"(obmc),"a"(block),"m"((long)b_h),"m"((long)src_stride):\
"%"REG_c"","%"REG_S"","%"REG_D"","%"REG_d"");
#define snow_inner_add_yblock_sse2_end_8\
"sal $1, %%"REG_c" \n\t"\
"add $"PTR_SIZE"*2, %1 \n\t"\
snow_inner_add_yblock_sse2_end_common1\
"sar $1, %%"REG_c" \n\t"\
"sub $2, %2 \n\t"\
snow_inner_add_yblock_sse2_end_common2
#define snow_inner_add_yblock_sse2_end_16\
"add $"PTR_SIZE"*1, %1 \n\t"\
snow_inner_add_yblock_sse2_end_common1\
"dec %2 \n\t"\
snow_inner_add_yblock_sse2_end_common2
static void inner_add_yblock_bw_8_obmc_16_bh_even_sse2(uint8_t *obmc, const long obmc_stride, uint8_t * * block, int b_w, long b_h,
int src_x, int src_y, long src_stride, slice_buffer * sb, int add, uint8_t * dst8){
snow_inner_add_yblock_sse2_header
snow_inner_add_yblock_sse2_start_8("xmm1", "xmm5", "3", "0")
snow_inner_add_yblock_sse2_accum_8("2", "8")
snow_inner_add_yblock_sse2_accum_8("1", "128")
snow_inner_add_yblock_sse2_accum_8("0", "136")
"mov %0, %%"REG_d" \n\t"
"movdqa (%%"REG_D"), %%xmm0 \n\t"
"movdqa %%xmm1, %%xmm2 \n\t"
"punpckhwd %%xmm7, %%xmm1 \n\t"
"punpcklwd %%xmm7, %%xmm2 \n\t"
"paddd %%xmm2, %%xmm0 \n\t"
"movdqa 16(%%"REG_D"), %%xmm2 \n\t"
"paddd %%xmm1, %%xmm2 \n\t"
"paddd %%xmm3, %%xmm0 \n\t"
"paddd %%xmm3, %%xmm2 \n\t"
"mov %1, %%"REG_D" \n\t"
"mov "PTR_SIZE"(%%"REG_D"), %%"REG_D";\n\t"
"add %3, %%"REG_D" \n\t"
"movdqa (%%"REG_D"), %%xmm4 \n\t"
"movdqa %%xmm5, %%xmm6 \n\t"
"punpckhwd %%xmm7, %%xmm5 \n\t"
"punpcklwd %%xmm7, %%xmm6 \n\t"
"paddd %%xmm6, %%xmm4 \n\t"
"movdqa 16(%%"REG_D"), %%xmm6 \n\t"
"paddd %%xmm5, %%xmm6 \n\t"
"paddd %%xmm3, %%xmm4 \n\t"
"paddd %%xmm3, %%xmm6 \n\t"
"psrad $8, %%xmm0 \n\t" /* FRAC_BITS. */
"psrad $8, %%xmm2 \n\t" /* FRAC_BITS. */
"packssdw %%xmm2, %%xmm0 \n\t"
"packuswb %%xmm7, %%xmm0 \n\t"
"movq %%xmm0, (%%"REG_d") \n\t"
"psrad $8, %%xmm4 \n\t" /* FRAC_BITS. */
"psrad $8, %%xmm6 \n\t" /* FRAC_BITS. */
"packssdw %%xmm6, %%xmm4 \n\t"
"packuswb %%xmm7, %%xmm4 \n\t"
"movq %%xmm4, (%%"REG_d",%%"REG_c");\n\t"
snow_inner_add_yblock_sse2_end_8
}
static void inner_add_yblock_bw_16_obmc_32_sse2(uint8_t *obmc, const long obmc_stride, uint8_t * * block, int b_w, long b_h,
int src_x, int src_y, long src_stride, slice_buffer * sb, int add, uint8_t * dst8){
snow_inner_add_yblock_sse2_header
snow_inner_add_yblock_sse2_start_16("xmm1", "xmm5", "3", "0")
snow_inner_add_yblock_sse2_accum_16("2", "16")
snow_inner_add_yblock_sse2_accum_16("1", "512")
snow_inner_add_yblock_sse2_accum_16("0", "528")
"mov %0, %%"REG_d" \n\t"
"movdqa %%xmm1, %%xmm0 \n\t"
"movdqa %%xmm5, %%xmm4 \n\t"
"punpcklwd %%xmm7, %%xmm0 \n\t"
"paddd (%%"REG_D"), %%xmm0 \n\t"
"punpckhwd %%xmm7, %%xmm1 \n\t"
"paddd 16(%%"REG_D"), %%xmm1 \n\t"
"punpcklwd %%xmm7, %%xmm4 \n\t"
"paddd 32(%%"REG_D"), %%xmm4 \n\t"
"punpckhwd %%xmm7, %%xmm5 \n\t"
"paddd 48(%%"REG_D"), %%xmm5 \n\t"
"paddd %%xmm3, %%xmm0 \n\t"
"paddd %%xmm3, %%xmm1 \n\t"
"paddd %%xmm3, %%xmm4 \n\t"
"paddd %%xmm3, %%xmm5 \n\t"
"psrad $8, %%xmm0 \n\t" /* FRAC_BITS. */
"psrad $8, %%xmm1 \n\t" /* FRAC_BITS. */
"psrad $8, %%xmm4 \n\t" /* FRAC_BITS. */
"psrad $8, %%xmm5 \n\t" /* FRAC_BITS. */
"packssdw %%xmm1, %%xmm0 \n\t"
"packssdw %%xmm5, %%xmm4 \n\t"
"packuswb %%xmm4, %%xmm0 \n\t"
"movdqu %%xmm0, (%%"REG_d") \n\t"
snow_inner_add_yblock_sse2_end_16
}
#define snow_inner_add_yblock_mmx_header \
DWTELEM * * dst_array = sb->line + src_y;\
long tmp;\
asm volatile(\
"mov %7, %%"REG_c" \n\t"\
"mov %6, %2 \n\t"\
"mov %4, %%"REG_S" \n\t"\
"pxor %%mm7, %%mm7 \n\t" /* 0 */\
"pcmpeqd %%mm3, %%mm3 \n\t"\
"pslld $31, %%mm3 \n\t"\
"psrld $24, %%mm3 \n\t" /* FRAC_BITS >> 1 */\
"1: \n\t"\
"mov %1, %%"REG_D" \n\t"\
"mov (%%"REG_D"), %%"REG_D" \n\t"\
"add %3, %%"REG_D" \n\t"
#define snow_inner_add_yblock_mmx_start(out_reg1, out_reg2, ptr_offset, s_offset, d_offset)\
"mov "PTR_SIZE"*"ptr_offset"(%%"REG_a"), %%"REG_d"; \n\t"\
"movd "d_offset"(%%"REG_d"), %%"out_reg1" \n\t"\
"movd "d_offset"+4(%%"REG_d"), %%"out_reg2" \n\t"\
"punpcklbw %%mm7, %%"out_reg1" \n\t"\
"punpcklbw %%mm7, %%"out_reg2" \n\t"\
"movd "s_offset"(%%"REG_S"), %%mm0 \n\t"\
"movd "s_offset"+4(%%"REG_S"), %%mm4 \n\t"\
"punpcklbw %%mm7, %%mm0 \n\t"\
"punpcklbw %%mm7, %%mm4 \n\t"\
"pmullw %%mm0, %%"out_reg1" \n\t"\
"pmullw %%mm4, %%"out_reg2" \n\t"
#define snow_inner_add_yblock_mmx_accum(ptr_offset, s_offset, d_offset) \
snow_inner_add_yblock_mmx_start("mm2", "mm6", ptr_offset, s_offset, d_offset)\
"paddusw %%mm2, %%mm1 \n\t"\
"paddusw %%mm6, %%mm5 \n\t"
#define snow_inner_add_yblock_mmx_mix(read_offset, write_offset)\
"mov %0, %%"REG_d" \n\t"\
"movq %%mm1, %%mm0 \n\t"\
"movq %%mm5, %%mm4 \n\t"\
"punpcklwd %%mm7, %%mm0 \n\t"\
"paddd "read_offset"(%%"REG_D"), %%mm0 \n\t"\
"punpckhwd %%mm7, %%mm1 \n\t"\
"paddd "read_offset"+8(%%"REG_D"), %%mm1 \n\t"\
"punpcklwd %%mm7, %%mm4 \n\t"\
"paddd "read_offset"+16(%%"REG_D"), %%mm4 \n\t"\
"punpckhwd %%mm7, %%mm5 \n\t"\
"paddd "read_offset"+24(%%"REG_D"), %%mm5 \n\t"\
"paddd %%mm3, %%mm0 \n\t"\
"paddd %%mm3, %%mm1 \n\t"\
"paddd %%mm3, %%mm4 \n\t"\
"paddd %%mm3, %%mm5 \n\t"\
"psrad $8, %%mm0 \n\t"\
"psrad $8, %%mm1 \n\t"\
"psrad $8, %%mm4 \n\t"\
"psrad $8, %%mm5 \n\t"\
\
"packssdw %%mm1, %%mm0 \n\t"\
"packssdw %%mm5, %%mm4 \n\t"\
"packuswb %%mm4, %%mm0 \n\t"\
"movq %%mm0, "write_offset"(%%"REG_d") \n\t"
#define snow_inner_add_yblock_mmx_end(s_step)\
"add $"s_step", %%"REG_S" \n\t"\
"add %%"REG_c", "PTR_SIZE"*3(%%"REG_a");\n\t"\
"add %%"REG_c", "PTR_SIZE"*2(%%"REG_a");\n\t"\
"add %%"REG_c", "PTR_SIZE"*1(%%"REG_a");\n\t"\
"add %%"REG_c", (%%"REG_a") \n\t"\
"add $"PTR_SIZE"*1, %1 \n\t"\
"add %%"REG_c", %0 \n\t"\
"dec %2 \n\t"\
"jnz 1b \n\t"\
:"+m"(dst8),"+m"(dst_array),"=&r"(tmp)\
:\
"rm"((long)(src_x<<2)),"m"(obmc),"a"(block),"m"((long)b_h),"m"((long)src_stride):\
"%"REG_c"","%"REG_S"","%"REG_D"","%"REG_d"");
static void inner_add_yblock_bw_8_obmc_16_mmx(uint8_t *obmc, const long obmc_stride, uint8_t * * block, int b_w, long b_h,
int src_x, int src_y, long src_stride, slice_buffer * sb, int add, uint8_t * dst8){
snow_inner_add_yblock_mmx_header
snow_inner_add_yblock_mmx_start("mm1", "mm5", "3", "0", "0")
snow_inner_add_yblock_mmx_accum("2", "8", "0")
snow_inner_add_yblock_mmx_accum("1", "128", "0")
snow_inner_add_yblock_mmx_accum("0", "136", "0")
snow_inner_add_yblock_mmx_mix("0", "0")
snow_inner_add_yblock_mmx_end("16")
}
static void inner_add_yblock_bw_16_obmc_32_mmx(uint8_t *obmc, const long obmc_stride, uint8_t * * block, int b_w, long b_h,
int src_x, int src_y, long src_stride, slice_buffer * sb, int add, uint8_t * dst8){
snow_inner_add_yblock_mmx_header
snow_inner_add_yblock_mmx_start("mm1", "mm5", "3", "0", "0")
snow_inner_add_yblock_mmx_accum("2", "16", "0")
snow_inner_add_yblock_mmx_accum("1", "512", "0")
snow_inner_add_yblock_mmx_accum("0", "528", "0")
snow_inner_add_yblock_mmx_mix("0", "0")
snow_inner_add_yblock_mmx_start("mm1", "mm5", "3", "8", "8")
snow_inner_add_yblock_mmx_accum("2", "24", "8")
snow_inner_add_yblock_mmx_accum("1", "520", "8")
snow_inner_add_yblock_mmx_accum("0", "536", "8")
snow_inner_add_yblock_mmx_mix("32", "8")
snow_inner_add_yblock_mmx_end("32")
}
void ff_snow_inner_add_yblock_sse2(uint8_t *obmc, const int obmc_stride, uint8_t * * block, int b_w, int b_h,
int src_x, int src_y, int src_stride, slice_buffer * sb, int add, uint8_t * dst8){
if (b_w == 16)
inner_add_yblock_bw_16_obmc_32_sse2(obmc, obmc_stride, block, b_w, b_h, src_x,src_y, src_stride, sb, add, dst8);
else if (b_w == 8 && obmc_stride == 16) {
if (!(b_h & 1))
inner_add_yblock_bw_8_obmc_16_bh_even_sse2(obmc, obmc_stride, block, b_w, b_h, src_x,src_y, src_stride, sb, add, dst8);
else
inner_add_yblock_bw_8_obmc_16_mmx(obmc, obmc_stride, block, b_w, b_h, src_x,src_y, src_stride, sb, add, dst8);
} else
ff_snow_inner_add_yblock(obmc, obmc_stride, block, b_w, b_h, src_x,src_y, src_stride, sb, add, dst8);
}
void ff_snow_inner_add_yblock_mmx(uint8_t *obmc, const int obmc_stride, uint8_t * * block, int b_w, int b_h,
int src_x, int src_y, int src_stride, slice_buffer * sb, int add, uint8_t * dst8){
if (b_w == 16)
inner_add_yblock_bw_16_obmc_32_mmx(obmc, obmc_stride, block, b_w, b_h, src_x,src_y, src_stride, sb, add, dst8);
else if (b_w == 8 && obmc_stride == 16)
inner_add_yblock_bw_8_obmc_16_mmx(obmc, obmc_stride, block, b_w, b_h, src_x,src_y, src_stride, sb, add, dst8);
else
ff_snow_inner_add_yblock(obmc, obmc_stride, block, b_w, b_h, src_x,src_y, src_stride, sb, add, dst8);
}