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* MMX and SSE2 optimized snow DSP utils
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* Copyright (c) 2005-2006 Robert Edele <yartrebo@earthlink.net>
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* This file is part of Libav.
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* Libav is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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* Libav is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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* You should have received a copy of the GNU Lesser General Public
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* License along with Libav; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
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#include "libavutil/cpu.h"
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#include "libavutil/x86_cpu.h"
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#include "libavcodec/avcodec.h"
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#include "libavcodec/snow.h"
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#include "libavcodec/dwt.h"
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#include "dsputil_mmx.h"
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static void ff_snow_horizontal_compose97i_sse2(IDWTELEM *b, int width){
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const int w2= (width+1)>>1;
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DECLARE_ALIGNED(16, IDWTELEM, 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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IDWTELEM * const ref = b + w2 - 1;
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IDWTELEM 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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"pcmpeqd %%xmm7, %%xmm7 \n\t"
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"pcmpeqd %%xmm3, %%xmm3 \n\t"
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"psllw $1, %%xmm3 \n\t"
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"paddw %%xmm7, %%xmm3 \n\t"
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"psllw $13, %%xmm3 \n\t"
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for(; i<w_l-15; i+=16){
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"movdqu (%1), %%xmm1 \n\t"
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"movdqu 16(%1), %%xmm5 \n\t"
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"movdqu 2(%1), %%xmm2 \n\t"
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"movdqu 18(%1), %%xmm6 \n\t"
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"paddw %%xmm1, %%xmm2 \n\t"
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"paddw %%xmm5, %%xmm6 \n\t"
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"paddw %%xmm7, %%xmm2 \n\t"
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"paddw %%xmm7, %%xmm6 \n\t"
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"pmulhw %%xmm3, %%xmm2 \n\t"
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"pmulhw %%xmm3, %%xmm6 \n\t"
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"paddw (%0), %%xmm2 \n\t"
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"paddw 16(%0), %%xmm6 \n\t"
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"movdqa %%xmm2, (%0) \n\t"
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"movdqa %%xmm6, 16(%0) \n\t"
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:: "r"(&b[i]), "r"(&ref[i])
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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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IDWTELEM * const dst = b+w2;
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for(; (((x86_reg)&dst[i]) & 0x1F) && i<w_r; i++){
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dst[i] = dst[i] - (b[i] + b[i + 1]);
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for(; i<w_r-15; i+=16){
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"movdqu (%1), %%xmm1 \n\t"
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"movdqu 16(%1), %%xmm5 \n\t"
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"movdqu 2(%1), %%xmm2 \n\t"
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"movdqu 18(%1), %%xmm6 \n\t"
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"paddw %%xmm1, %%xmm2 \n\t"
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"paddw %%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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"psubw %%xmm2, %%xmm0 \n\t"
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"psubw %%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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snow_horizontal_compose_lift_lead_out(i, dst, dst, b, width, w_r, 1, W_CM, W_CO, W_CS);
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IDWTELEM * const ref = b+w2 - 1;
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"psllw $15, %%xmm7 \n\t"
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"pcmpeqw %%xmm6, %%xmm6 \n\t"
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"psrlw $13, %%xmm6 \n\t"
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"paddw %%xmm7, %%xmm6 \n\t"
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for(; i<w_l-15; i+=16){
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"movdqu (%1), %%xmm0 \n\t"
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"movdqu 16(%1), %%xmm4 \n\t"
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"movdqu 2(%1), %%xmm1 \n\t"
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"movdqu 18(%1), %%xmm5 \n\t" //FIXME try aligned reads and shifts
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"paddw %%xmm6, %%xmm0 \n\t"
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"paddw %%xmm6, %%xmm4 \n\t"
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"paddw %%xmm7, %%xmm1 \n\t"
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"paddw %%xmm7, %%xmm5 \n\t"
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"pavgw %%xmm1, %%xmm0 \n\t"
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"pavgw %%xmm5, %%xmm4 \n\t"
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"psubw %%xmm7, %%xmm0 \n\t"
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"psubw %%xmm7, %%xmm4 \n\t"
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"psraw $1, %%xmm0 \n\t"
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"psraw $1, %%xmm4 \n\t"
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"movdqa (%0), %%xmm1 \n\t"
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"movdqa 16(%0), %%xmm5 \n\t"
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"paddw %%xmm1, %%xmm0 \n\t"
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"paddw %%xmm5, %%xmm4 \n\t"
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"psraw $2, %%xmm0 \n\t"
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"psraw $2, %%xmm4 \n\t"
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"paddw %%xmm1, %%xmm0 \n\t"
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"paddw %%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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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-1 + 4 * b_0) >> W_BS);
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IDWTELEM * const src = b+w2;
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for(; (((x86_reg)&temp[i]) & 0x1F) && 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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for(; i<w_r-7; i+=8){
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"movdqu 2(%1), %%xmm2 \n\t"
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"movdqu 18(%1), %%xmm6 \n\t"
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"paddw (%1), %%xmm2 \n\t"
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"paddw 16(%1), %%xmm6 \n\t"
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"movdqu (%0), %%xmm0 \n\t"
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"movdqu 16(%0), %%xmm4 \n\t"
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"paddw %%xmm2, %%xmm0 \n\t"
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"paddw %%xmm6, %%xmm4 \n\t"
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"psraw $1, %%xmm2 \n\t"
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"psraw $1, %%xmm6 \n\t"
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"paddw %%xmm0, %%xmm2 \n\t"
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"paddw %%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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snow_horizontal_compose_lift_lead_out(i, temp, src, b, width, w_r, 1, -W_AM, W_AO+1, W_AS);
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snow_interleave_line_header(&i, width, b, temp);
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for (; (i & 0x3E) != 0x3E; i-=2){
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for (i-=62; i>=0; i-=64){
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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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"punpcklwd (%2), %%xmm0 \n\t"
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"punpcklwd 16(%2), %%xmm2 \n\t"
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"punpcklwd 32(%2), %%xmm4 \n\t"
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"punpcklwd 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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"punpckhwd (%2), %%xmm1 \n\t"
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"punpckhwd 16(%2), %%xmm3 \n\t"
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"punpckhwd 32(%2), %%xmm5 \n\t"
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"punpckhwd 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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static void ff_snow_horizontal_compose97i_mmx(IDWTELEM *b, int width){
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const int w2= (width+1)>>1;
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IDWTELEM 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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IDWTELEM * const ref = b + w2 - 1;
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b[0] = b[0] - ((W_DM * 2 * ref[1]+W_DO)>>W_DS);
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"pcmpeqw %%mm7, %%mm7 \n\t"
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"pcmpeqw %%mm3, %%mm3 \n\t"
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"psllw $1, %%mm3 \n\t"
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"paddw %%mm7, %%mm3 \n\t"
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"psllw $13, %%mm3 \n\t"
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for(; i<w_l-7; i+=8){
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"movq (%1), %%mm2 \n\t"
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"movq 8(%1), %%mm6 \n\t"
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"paddw 2(%1), %%mm2 \n\t"
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"paddw 10(%1), %%mm6 \n\t"
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"paddw %%mm7, %%mm2 \n\t"
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"paddw %%mm7, %%mm6 \n\t"
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"pmulhw %%mm3, %%mm2 \n\t"
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"pmulhw %%mm3, %%mm6 \n\t"
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"paddw (%0), %%mm2 \n\t"
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"paddw 8(%0), %%mm6 \n\t"
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"movq %%mm2, (%0) \n\t"
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"movq %%mm6, 8(%0) \n\t"
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:: "r"(&b[i]), "r"(&ref[i])
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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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IDWTELEM * const dst = b+w2;
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for(; i<w_r-7; i+=8){
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"movq (%1), %%mm2 \n\t"
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"movq 8(%1), %%mm6 \n\t"
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"paddw 2(%1), %%mm2 \n\t"
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"paddw 10(%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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"psubw %%mm2, %%mm0 \n\t"
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"psubw %%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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snow_horizontal_compose_lift_lead_out(i, dst, dst, b, width, w_r, 1, W_CM, W_CO, W_CS);
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IDWTELEM * const ref = b+w2 - 1;
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b[0] = b[0] + (((2 * ref[1] + W_BO) + 4 * b[0]) >> W_BS);
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"psllw $15, %%mm7 \n\t"
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"pcmpeqw %%mm6, %%mm6 \n\t"
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"psrlw $13, %%mm6 \n\t"
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"paddw %%mm7, %%mm6 \n\t"
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for(; i<w_l-7; i+=8){
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"movq (%1), %%mm0 \n\t"
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"movq 8(%1), %%mm4 \n\t"
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"movq 2(%1), %%mm1 \n\t"
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"movq 10(%1), %%mm5 \n\t"
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"paddw %%mm6, %%mm0 \n\t"
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"paddw %%mm6, %%mm4 \n\t"
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"paddw %%mm7, %%mm1 \n\t"
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"paddw %%mm7, %%mm5 \n\t"
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"pavgw %%mm1, %%mm0 \n\t"
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"pavgw %%mm5, %%mm4 \n\t"
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"psubw %%mm7, %%mm0 \n\t"
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"psubw %%mm7, %%mm4 \n\t"
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"psraw $1, %%mm0 \n\t"
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"psraw $1, %%mm4 \n\t"
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"movq (%0), %%mm1 \n\t"
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"movq 8(%0), %%mm5 \n\t"
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"paddw %%mm1, %%mm0 \n\t"
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"paddw %%mm5, %%mm4 \n\t"
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"psraw $2, %%mm0 \n\t"
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"psraw $2, %%mm4 \n\t"
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"paddw %%mm1, %%mm0 \n\t"
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"paddw %%mm5, %%mm4 \n\t"
316
"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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snow_horizontal_compose_liftS_lead_out(i, b, b, ref, width, w_l);
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IDWTELEM * const src = b+w2;
329
for(; i<w_r-7; i+=8){
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"movq 2(%1), %%mm2 \n\t"
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"movq 10(%1), %%mm6 \n\t"
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"paddw (%1), %%mm2 \n\t"
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"paddw 8(%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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"paddw %%mm2, %%mm0 \n\t"
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"paddw %%mm6, %%mm4 \n\t"
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"psraw $1, %%mm2 \n\t"
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"psraw $1, %%mm6 \n\t"
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"paddw %%mm0, %%mm2 \n\t"
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"paddw %%mm4, %%mm6 \n\t"
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"movq %%mm2, (%2) \n\t"
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"movq %%mm6, 8(%2) \n\t"
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:: "r"(&src[i]), "r"(&b[i]), "r"(&temp[i])
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snow_horizontal_compose_lift_lead_out(i, temp, src, b, width, w_r, 1, -W_AM, W_AO+1, W_AS);
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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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for (i-=30; i>=0; i-=32){
361
"movq (%1), %%mm0 \n\t"
362
"movq 8(%1), %%mm2 \n\t"
363
"movq 16(%1), %%mm4 \n\t"
364
"movq 24(%1), %%mm6 \n\t"
365
"movq (%1), %%mm1 \n\t"
366
"movq 8(%1), %%mm3 \n\t"
367
"movq 16(%1), %%mm5 \n\t"
368
"movq 24(%1), %%mm7 \n\t"
369
"punpcklwd (%2), %%mm0 \n\t"
370
"punpcklwd 8(%2), %%mm2 \n\t"
371
"punpcklwd 16(%2), %%mm4 \n\t"
372
"punpcklwd 24(%2), %%mm6 \n\t"
373
"movq %%mm0, (%0) \n\t"
374
"movq %%mm2, 16(%0) \n\t"
375
"movq %%mm4, 32(%0) \n\t"
376
"movq %%mm6, 48(%0) \n\t"
377
"punpckhwd (%2), %%mm1 \n\t"
378
"punpckhwd 8(%2), %%mm3 \n\t"
379
"punpckhwd 16(%2), %%mm5 \n\t"
380
"punpckhwd 24(%2), %%mm7 \n\t"
381
"movq %%mm1, 8(%0) \n\t"
382
"movq %%mm3, 24(%0) \n\t"
383
"movq %%mm5, 40(%0) \n\t"
384
"movq %%mm7, 56(%0) \n\t"
385
:: "r"(&b[i]), "r"(&b[i>>1]), "r"(&temp[i>>1])
393
#define snow_vertical_compose_sse2_load_add(op,r,t0,t1,t2,t3)\
394
""op" ("r",%%"REG_d"), %%"t0" \n\t"\
395
""op" 16("r",%%"REG_d"), %%"t1" \n\t"\
396
""op" 32("r",%%"REG_d"), %%"t2" \n\t"\
397
""op" 48("r",%%"REG_d"), %%"t3" \n\t"
399
#define snow_vertical_compose_sse2_load(r,t0,t1,t2,t3)\
400
snow_vertical_compose_sse2_load_add("movdqa",r,t0,t1,t2,t3)
402
#define snow_vertical_compose_sse2_add(r,t0,t1,t2,t3)\
403
snow_vertical_compose_sse2_load_add("paddw",r,t0,t1,t2,t3)
405
#define snow_vertical_compose_r2r_sub(s0,s1,s2,s3,t0,t1,t2,t3)\
406
"psubw %%"s0", %%"t0" \n\t"\
407
"psubw %%"s1", %%"t1" \n\t"\
408
"psubw %%"s2", %%"t2" \n\t"\
409
"psubw %%"s3", %%"t3" \n\t"
411
#define snow_vertical_compose_sse2_store(w,s0,s1,s2,s3)\
412
"movdqa %%"s0", ("w",%%"REG_d") \n\t"\
413
"movdqa %%"s1", 16("w",%%"REG_d") \n\t"\
414
"movdqa %%"s2", 32("w",%%"REG_d") \n\t"\
415
"movdqa %%"s3", 48("w",%%"REG_d") \n\t"
417
#define snow_vertical_compose_sra(n,t0,t1,t2,t3)\
418
"psraw $"n", %%"t0" \n\t"\
419
"psraw $"n", %%"t1" \n\t"\
420
"psraw $"n", %%"t2" \n\t"\
421
"psraw $"n", %%"t3" \n\t"
423
#define snow_vertical_compose_r2r_add(s0,s1,s2,s3,t0,t1,t2,t3)\
424
"paddw %%"s0", %%"t0" \n\t"\
425
"paddw %%"s1", %%"t1" \n\t"\
426
"paddw %%"s2", %%"t2" \n\t"\
427
"paddw %%"s3", %%"t3" \n\t"
429
#define snow_vertical_compose_r2r_pmulhw(s0,s1,s2,s3,t0,t1,t2,t3)\
430
"pmulhw %%"s0", %%"t0" \n\t"\
431
"pmulhw %%"s1", %%"t1" \n\t"\
432
"pmulhw %%"s2", %%"t2" \n\t"\
433
"pmulhw %%"s3", %%"t3" \n\t"
435
#define snow_vertical_compose_sse2_move(s0,s1,s2,s3,t0,t1,t2,t3)\
436
"movdqa %%"s0", %%"t0" \n\t"\
437
"movdqa %%"s1", %%"t1" \n\t"\
438
"movdqa %%"s2", %%"t2" \n\t"\
439
"movdqa %%"s3", %%"t3" \n\t"
441
static void ff_snow_vertical_compose97i_sse2(IDWTELEM *b0, IDWTELEM *b1, IDWTELEM *b2, IDWTELEM *b3, IDWTELEM *b4, IDWTELEM *b5, int width){
447
b4[i] -= (W_DM*(b3[i] + b5[i])+W_DO)>>W_DS;
448
b3[i] -= (W_CM*(b2[i] + b4[i])+W_CO)>>W_CS;
449
b2[i] += (W_BM*(b1[i] + b3[i])+4*b2[i]+W_BO)>>W_BS;
450
b1[i] += (W_AM*(b0[i] + b2[i])+W_AO)>>W_AS;
457
snow_vertical_compose_sse2_load("%4","xmm0","xmm2","xmm4","xmm6")
458
snow_vertical_compose_sse2_add("%6","xmm0","xmm2","xmm4","xmm6")
461
"pcmpeqw %%xmm0, %%xmm0 \n\t"
462
"pcmpeqw %%xmm2, %%xmm2 \n\t"
463
"paddw %%xmm2, %%xmm2 \n\t"
464
"paddw %%xmm0, %%xmm2 \n\t"
465
"psllw $13, %%xmm2 \n\t"
466
snow_vertical_compose_r2r_add("xmm0","xmm0","xmm0","xmm0","xmm1","xmm3","xmm5","xmm7")
467
snow_vertical_compose_r2r_pmulhw("xmm2","xmm2","xmm2","xmm2","xmm1","xmm3","xmm5","xmm7")
468
snow_vertical_compose_sse2_add("%5","xmm1","xmm3","xmm5","xmm7")
469
snow_vertical_compose_sse2_store("%5","xmm1","xmm3","xmm5","xmm7")
470
snow_vertical_compose_sse2_load("%4","xmm0","xmm2","xmm4","xmm6")
471
snow_vertical_compose_sse2_add("%3","xmm1","xmm3","xmm5","xmm7")
472
snow_vertical_compose_r2r_sub("xmm1","xmm3","xmm5","xmm7","xmm0","xmm2","xmm4","xmm6")
473
snow_vertical_compose_sse2_store("%4","xmm0","xmm2","xmm4","xmm6")
475
"pcmpeqw %%xmm7, %%xmm7 \n\t"
476
"pcmpeqw %%xmm5, %%xmm5 \n\t"
477
"psllw $15, %%xmm7 \n\t"
478
"psrlw $13, %%xmm5 \n\t"
479
"paddw %%xmm7, %%xmm5 \n\t"
480
snow_vertical_compose_r2r_add("xmm5","xmm5","xmm5","xmm5","xmm0","xmm2","xmm4","xmm6")
481
"movq (%2,%%"REG_d"), %%xmm1 \n\t"
482
"movq 8(%2,%%"REG_d"), %%xmm3 \n\t"
483
"paddw %%xmm7, %%xmm1 \n\t"
484
"paddw %%xmm7, %%xmm3 \n\t"
485
"pavgw %%xmm1, %%xmm0 \n\t"
486
"pavgw %%xmm3, %%xmm2 \n\t"
487
"movq 16(%2,%%"REG_d"), %%xmm1 \n\t"
488
"movq 24(%2,%%"REG_d"), %%xmm3 \n\t"
489
"paddw %%xmm7, %%xmm1 \n\t"
490
"paddw %%xmm7, %%xmm3 \n\t"
491
"pavgw %%xmm1, %%xmm4 \n\t"
492
"pavgw %%xmm3, %%xmm6 \n\t"
493
snow_vertical_compose_r2r_sub("xmm7","xmm7","xmm7","xmm7","xmm0","xmm2","xmm4","xmm6")
494
snow_vertical_compose_sra("1","xmm0","xmm2","xmm4","xmm6")
495
snow_vertical_compose_sse2_add("%3","xmm0","xmm2","xmm4","xmm6")
497
snow_vertical_compose_sra("2","xmm0","xmm2","xmm4","xmm6")
498
snow_vertical_compose_sse2_add("%3","xmm0","xmm2","xmm4","xmm6")
499
snow_vertical_compose_sse2_store("%3","xmm0","xmm2","xmm4","xmm6")
500
snow_vertical_compose_sse2_add("%1","xmm0","xmm2","xmm4","xmm6")
501
snow_vertical_compose_sse2_move("xmm0","xmm2","xmm4","xmm6","xmm1","xmm3","xmm5","xmm7")
502
snow_vertical_compose_sra("1","xmm0","xmm2","xmm4","xmm6")
503
snow_vertical_compose_r2r_add("xmm1","xmm3","xmm5","xmm7","xmm0","xmm2","xmm4","xmm6")
504
snow_vertical_compose_sse2_add("%2","xmm0","xmm2","xmm4","xmm6")
505
snow_vertical_compose_sse2_store("%2","xmm0","xmm2","xmm4","xmm6")
508
"sub $64, %%"REG_d" \n\t"
511
:"r"(b0),"r"(b1),"r"(b2),"r"(b3),"r"(b4),"r"(b5));
514
#define snow_vertical_compose_mmx_load_add(op,r,t0,t1,t2,t3)\
515
""op" ("r",%%"REG_d"), %%"t0" \n\t"\
516
""op" 8("r",%%"REG_d"), %%"t1" \n\t"\
517
""op" 16("r",%%"REG_d"), %%"t2" \n\t"\
518
""op" 24("r",%%"REG_d"), %%"t3" \n\t"
520
#define snow_vertical_compose_mmx_load(r,t0,t1,t2,t3)\
521
snow_vertical_compose_mmx_load_add("movq",r,t0,t1,t2,t3)
523
#define snow_vertical_compose_mmx_add(r,t0,t1,t2,t3)\
524
snow_vertical_compose_mmx_load_add("paddw",r,t0,t1,t2,t3)
526
#define snow_vertical_compose_mmx_store(w,s0,s1,s2,s3)\
527
"movq %%"s0", ("w",%%"REG_d") \n\t"\
528
"movq %%"s1", 8("w",%%"REG_d") \n\t"\
529
"movq %%"s2", 16("w",%%"REG_d") \n\t"\
530
"movq %%"s3", 24("w",%%"REG_d") \n\t"
532
#define snow_vertical_compose_mmx_move(s0,s1,s2,s3,t0,t1,t2,t3)\
533
"movq %%"s0", %%"t0" \n\t"\
534
"movq %%"s1", %%"t1" \n\t"\
535
"movq %%"s2", %%"t2" \n\t"\
536
"movq %%"s3", %%"t3" \n\t"
539
static void ff_snow_vertical_compose97i_mmx(IDWTELEM *b0, IDWTELEM *b1, IDWTELEM *b2, IDWTELEM *b3, IDWTELEM *b4, IDWTELEM *b5, int width){
544
b4[i] -= (W_DM*(b3[i] + b5[i])+W_DO)>>W_DS;
545
b3[i] -= (W_CM*(b2[i] + b4[i])+W_CO)>>W_CS;
546
b2[i] += (W_BM*(b1[i] + b3[i])+4*b2[i]+W_BO)>>W_BS;
547
b1[i] += (W_AM*(b0[i] + b2[i])+W_AO)>>W_AS;
554
snow_vertical_compose_mmx_load("%4","mm1","mm3","mm5","mm7")
555
snow_vertical_compose_mmx_add("%6","mm1","mm3","mm5","mm7")
556
"pcmpeqw %%mm0, %%mm0 \n\t"
557
"pcmpeqw %%mm2, %%mm2 \n\t"
558
"paddw %%mm2, %%mm2 \n\t"
559
"paddw %%mm0, %%mm2 \n\t"
560
"psllw $13, %%mm2 \n\t"
561
snow_vertical_compose_r2r_add("mm0","mm0","mm0","mm0","mm1","mm3","mm5","mm7")
562
snow_vertical_compose_r2r_pmulhw("mm2","mm2","mm2","mm2","mm1","mm3","mm5","mm7")
563
snow_vertical_compose_mmx_add("%5","mm1","mm3","mm5","mm7")
564
snow_vertical_compose_mmx_store("%5","mm1","mm3","mm5","mm7")
565
snow_vertical_compose_mmx_load("%4","mm0","mm2","mm4","mm6")
566
snow_vertical_compose_mmx_add("%3","mm1","mm3","mm5","mm7")
567
snow_vertical_compose_r2r_sub("mm1","mm3","mm5","mm7","mm0","mm2","mm4","mm6")
568
snow_vertical_compose_mmx_store("%4","mm0","mm2","mm4","mm6")
569
"pcmpeqw %%mm7, %%mm7 \n\t"
570
"pcmpeqw %%mm5, %%mm5 \n\t"
571
"psllw $15, %%mm7 \n\t"
572
"psrlw $13, %%mm5 \n\t"
573
"paddw %%mm7, %%mm5 \n\t"
574
snow_vertical_compose_r2r_add("mm5","mm5","mm5","mm5","mm0","mm2","mm4","mm6")
575
"movq (%2,%%"REG_d"), %%mm1 \n\t"
576
"movq 8(%2,%%"REG_d"), %%mm3 \n\t"
577
"paddw %%mm7, %%mm1 \n\t"
578
"paddw %%mm7, %%mm3 \n\t"
579
"pavgw %%mm1, %%mm0 \n\t"
580
"pavgw %%mm3, %%mm2 \n\t"
581
"movq 16(%2,%%"REG_d"), %%mm1 \n\t"
582
"movq 24(%2,%%"REG_d"), %%mm3 \n\t"
583
"paddw %%mm7, %%mm1 \n\t"
584
"paddw %%mm7, %%mm3 \n\t"
585
"pavgw %%mm1, %%mm4 \n\t"
586
"pavgw %%mm3, %%mm6 \n\t"
587
snow_vertical_compose_r2r_sub("mm7","mm7","mm7","mm7","mm0","mm2","mm4","mm6")
588
snow_vertical_compose_sra("1","mm0","mm2","mm4","mm6")
589
snow_vertical_compose_mmx_add("%3","mm0","mm2","mm4","mm6")
591
snow_vertical_compose_sra("2","mm0","mm2","mm4","mm6")
592
snow_vertical_compose_mmx_add("%3","mm0","mm2","mm4","mm6")
593
snow_vertical_compose_mmx_store("%3","mm0","mm2","mm4","mm6")
594
snow_vertical_compose_mmx_add("%1","mm0","mm2","mm4","mm6")
595
snow_vertical_compose_mmx_move("mm0","mm2","mm4","mm6","mm1","mm3","mm5","mm7")
596
snow_vertical_compose_sra("1","mm0","mm2","mm4","mm6")
597
snow_vertical_compose_r2r_add("mm1","mm3","mm5","mm7","mm0","mm2","mm4","mm6")
598
snow_vertical_compose_mmx_add("%2","mm0","mm2","mm4","mm6")
599
snow_vertical_compose_mmx_store("%2","mm0","mm2","mm4","mm6")
602
"sub $32, %%"REG_d" \n\t"
605
:"r"(b0),"r"(b1),"r"(b2),"r"(b3),"r"(b4),"r"(b5));
609
#define snow_inner_add_yblock_sse2_header \
610
IDWTELEM * * dst_array = sb->line + src_y;\
613
"mov %7, %%"REG_c" \n\t"\
615
"mov %4, %%"REG_S" \n\t"\
616
"pxor %%xmm7, %%xmm7 \n\t" /* 0 */\
617
"pcmpeqd %%xmm3, %%xmm3 \n\t"\
618
"psllw $15, %%xmm3 \n\t"\
619
"psrlw $12, %%xmm3 \n\t" /* FRAC_BITS >> 1 */\
621
"mov %1, %%"REG_D" \n\t"\
622
"mov (%%"REG_D"), %%"REG_D" \n\t"\
623
"add %3, %%"REG_D" \n\t"
625
#define snow_inner_add_yblock_sse2_start_8(out_reg1, out_reg2, ptr_offset, s_offset)\
626
"mov "PTR_SIZE"*"ptr_offset"(%%"REG_a"), %%"REG_d"; \n\t"\
627
"movq (%%"REG_d"), %%"out_reg1" \n\t"\
628
"movq (%%"REG_d", %%"REG_c"), %%"out_reg2" \n\t"\
629
"punpcklbw %%xmm7, %%"out_reg1" \n\t"\
630
"punpcklbw %%xmm7, %%"out_reg2" \n\t"\
631
"movq "s_offset"(%%"REG_S"), %%xmm0 \n\t"\
632
"movq "s_offset"+16(%%"REG_S"), %%xmm4 \n\t"\
633
"punpcklbw %%xmm7, %%xmm0 \n\t"\
634
"punpcklbw %%xmm7, %%xmm4 \n\t"\
635
"pmullw %%xmm0, %%"out_reg1" \n\t"\
636
"pmullw %%xmm4, %%"out_reg2" \n\t"
638
#define snow_inner_add_yblock_sse2_start_16(out_reg1, out_reg2, ptr_offset, s_offset)\
639
"mov "PTR_SIZE"*"ptr_offset"(%%"REG_a"), %%"REG_d"; \n\t"\
640
"movq (%%"REG_d"), %%"out_reg1" \n\t"\
641
"movq 8(%%"REG_d"), %%"out_reg2" \n\t"\
642
"punpcklbw %%xmm7, %%"out_reg1" \n\t"\
643
"punpcklbw %%xmm7, %%"out_reg2" \n\t"\
644
"movq "s_offset"(%%"REG_S"), %%xmm0 \n\t"\
645
"movq "s_offset"+8(%%"REG_S"), %%xmm4 \n\t"\
646
"punpcklbw %%xmm7, %%xmm0 \n\t"\
647
"punpcklbw %%xmm7, %%xmm4 \n\t"\
648
"pmullw %%xmm0, %%"out_reg1" \n\t"\
649
"pmullw %%xmm4, %%"out_reg2" \n\t"
651
#define snow_inner_add_yblock_sse2_accum_8(ptr_offset, s_offset) \
652
snow_inner_add_yblock_sse2_start_8("xmm2", "xmm6", ptr_offset, s_offset)\
653
"paddusw %%xmm2, %%xmm1 \n\t"\
654
"paddusw %%xmm6, %%xmm5 \n\t"
656
#define snow_inner_add_yblock_sse2_accum_16(ptr_offset, s_offset) \
657
snow_inner_add_yblock_sse2_start_16("xmm2", "xmm6", ptr_offset, s_offset)\
658
"paddusw %%xmm2, %%xmm1 \n\t"\
659
"paddusw %%xmm6, %%xmm5 \n\t"
661
#define snow_inner_add_yblock_sse2_end_common1\
662
"add $32, %%"REG_S" \n\t"\
663
"add %%"REG_c", %0 \n\t"\
664
"add %%"REG_c", "PTR_SIZE"*3(%%"REG_a");\n\t"\
665
"add %%"REG_c", "PTR_SIZE"*2(%%"REG_a");\n\t"\
666
"add %%"REG_c", "PTR_SIZE"*1(%%"REG_a");\n\t"\
667
"add %%"REG_c", (%%"REG_a") \n\t"
669
#define snow_inner_add_yblock_sse2_end_common2\
671
:"+m"(dst8),"+m"(dst_array),"=&r"(tmp)\
673
"rm"((x86_reg)(src_x<<1)),"m"(obmc),"a"(block),"m"(b_h),"m"(src_stride):\
674
"%"REG_c"","%"REG_S"","%"REG_D"","%"REG_d"");
676
#define snow_inner_add_yblock_sse2_end_8\
677
"sal $1, %%"REG_c" \n\t"\
678
"add $"PTR_SIZE"*2, %1 \n\t"\
679
snow_inner_add_yblock_sse2_end_common1\
680
"sar $1, %%"REG_c" \n\t"\
682
snow_inner_add_yblock_sse2_end_common2
684
#define snow_inner_add_yblock_sse2_end_16\
685
"add $"PTR_SIZE"*1, %1 \n\t"\
686
snow_inner_add_yblock_sse2_end_common1\
688
snow_inner_add_yblock_sse2_end_common2
690
static void inner_add_yblock_bw_8_obmc_16_bh_even_sse2(const uint8_t *obmc, const x86_reg obmc_stride, uint8_t * * block, int b_w, x86_reg b_h,
691
int src_x, int src_y, x86_reg src_stride, slice_buffer * sb, int add, uint8_t * dst8){
692
snow_inner_add_yblock_sse2_header
693
snow_inner_add_yblock_sse2_start_8("xmm1", "xmm5", "3", "0")
694
snow_inner_add_yblock_sse2_accum_8("2", "8")
695
snow_inner_add_yblock_sse2_accum_8("1", "128")
696
snow_inner_add_yblock_sse2_accum_8("0", "136")
698
"mov %0, %%"REG_d" \n\t"
699
"movdqa (%%"REG_D"), %%xmm0 \n\t"
700
"movdqa %%xmm1, %%xmm2 \n\t"
702
"punpckhwd %%xmm7, %%xmm1 \n\t"
703
"punpcklwd %%xmm7, %%xmm2 \n\t"
704
"paddd %%xmm2, %%xmm0 \n\t"
705
"movdqa 16(%%"REG_D"), %%xmm2 \n\t"
706
"paddd %%xmm1, %%xmm2 \n\t"
707
"paddd %%xmm3, %%xmm0 \n\t"
708
"paddd %%xmm3, %%xmm2 \n\t"
710
"mov %1, %%"REG_D" \n\t"
711
"mov "PTR_SIZE"(%%"REG_D"), %%"REG_D";\n\t"
712
"add %3, %%"REG_D" \n\t"
714
"movdqa (%%"REG_D"), %%xmm4 \n\t"
715
"movdqa %%xmm5, %%xmm6 \n\t"
716
"punpckhwd %%xmm7, %%xmm5 \n\t"
717
"punpcklwd %%xmm7, %%xmm6 \n\t"
718
"paddd %%xmm6, %%xmm4 \n\t"
719
"movdqa 16(%%"REG_D"), %%xmm6 \n\t"
720
"paddd %%xmm5, %%xmm6 \n\t"
721
"paddd %%xmm3, %%xmm4 \n\t"
722
"paddd %%xmm3, %%xmm6 \n\t"
724
"psrad $8, %%xmm0 \n\t" /* FRAC_BITS. */
725
"psrad $8, %%xmm2 \n\t" /* FRAC_BITS. */
726
"packssdw %%xmm2, %%xmm0 \n\t"
727
"packuswb %%xmm7, %%xmm0 \n\t"
728
"movq %%xmm0, (%%"REG_d") \n\t"
730
"psrad $8, %%xmm4 \n\t" /* FRAC_BITS. */
731
"psrad $8, %%xmm6 \n\t" /* FRAC_BITS. */
732
"packssdw %%xmm6, %%xmm4 \n\t"
733
"packuswb %%xmm7, %%xmm4 \n\t"
734
"movq %%xmm4, (%%"REG_d",%%"REG_c");\n\t"
735
snow_inner_add_yblock_sse2_end_8
738
static void inner_add_yblock_bw_16_obmc_32_sse2(const uint8_t *obmc, const x86_reg obmc_stride, uint8_t * * block, int b_w, x86_reg b_h,
739
int src_x, int src_y, x86_reg src_stride, slice_buffer * sb, int add, uint8_t * dst8){
740
snow_inner_add_yblock_sse2_header
741
snow_inner_add_yblock_sse2_start_16("xmm1", "xmm5", "3", "0")
742
snow_inner_add_yblock_sse2_accum_16("2", "16")
743
snow_inner_add_yblock_sse2_accum_16("1", "512")
744
snow_inner_add_yblock_sse2_accum_16("0", "528")
746
"mov %0, %%"REG_d" \n\t"
747
"psrlw $4, %%xmm1 \n\t"
748
"psrlw $4, %%xmm5 \n\t"
749
"paddw (%%"REG_D"), %%xmm1 \n\t"
750
"paddw 16(%%"REG_D"), %%xmm5 \n\t"
751
"paddw %%xmm3, %%xmm1 \n\t"
752
"paddw %%xmm3, %%xmm5 \n\t"
753
"psraw $4, %%xmm1 \n\t" /* FRAC_BITS. */
754
"psraw $4, %%xmm5 \n\t" /* FRAC_BITS. */
755
"packuswb %%xmm5, %%xmm1 \n\t"
757
"movdqu %%xmm1, (%%"REG_d") \n\t"
759
snow_inner_add_yblock_sse2_end_16
762
#define snow_inner_add_yblock_mmx_header \
763
IDWTELEM * * dst_array = sb->line + src_y;\
766
"mov %7, %%"REG_c" \n\t"\
768
"mov %4, %%"REG_S" \n\t"\
769
"pxor %%mm7, %%mm7 \n\t" /* 0 */\
770
"pcmpeqd %%mm3, %%mm3 \n\t"\
771
"psllw $15, %%mm3 \n\t"\
772
"psrlw $12, %%mm3 \n\t" /* FRAC_BITS >> 1 */\
774
"mov %1, %%"REG_D" \n\t"\
775
"mov (%%"REG_D"), %%"REG_D" \n\t"\
776
"add %3, %%"REG_D" \n\t"
778
#define snow_inner_add_yblock_mmx_start(out_reg1, out_reg2, ptr_offset, s_offset, d_offset)\
779
"mov "PTR_SIZE"*"ptr_offset"(%%"REG_a"), %%"REG_d"; \n\t"\
780
"movd "d_offset"(%%"REG_d"), %%"out_reg1" \n\t"\
781
"movd "d_offset"+4(%%"REG_d"), %%"out_reg2" \n\t"\
782
"punpcklbw %%mm7, %%"out_reg1" \n\t"\
783
"punpcklbw %%mm7, %%"out_reg2" \n\t"\
784
"movd "s_offset"(%%"REG_S"), %%mm0 \n\t"\
785
"movd "s_offset"+4(%%"REG_S"), %%mm4 \n\t"\
786
"punpcklbw %%mm7, %%mm0 \n\t"\
787
"punpcklbw %%mm7, %%mm4 \n\t"\
788
"pmullw %%mm0, %%"out_reg1" \n\t"\
789
"pmullw %%mm4, %%"out_reg2" \n\t"
791
#define snow_inner_add_yblock_mmx_accum(ptr_offset, s_offset, d_offset) \
792
snow_inner_add_yblock_mmx_start("mm2", "mm6", ptr_offset, s_offset, d_offset)\
793
"paddusw %%mm2, %%mm1 \n\t"\
794
"paddusw %%mm6, %%mm5 \n\t"
796
#define snow_inner_add_yblock_mmx_mix(read_offset, write_offset)\
797
"mov %0, %%"REG_d" \n\t"\
798
"psrlw $4, %%mm1 \n\t"\
799
"psrlw $4, %%mm5 \n\t"\
800
"paddw "read_offset"(%%"REG_D"), %%mm1 \n\t"\
801
"paddw "read_offset"+8(%%"REG_D"), %%mm5 \n\t"\
802
"paddw %%mm3, %%mm1 \n\t"\
803
"paddw %%mm3, %%mm5 \n\t"\
804
"psraw $4, %%mm1 \n\t"\
805
"psraw $4, %%mm5 \n\t"\
806
"packuswb %%mm5, %%mm1 \n\t"\
807
"movq %%mm1, "write_offset"(%%"REG_d") \n\t"
809
#define snow_inner_add_yblock_mmx_end(s_step)\
810
"add $"s_step", %%"REG_S" \n\t"\
811
"add %%"REG_c", "PTR_SIZE"*3(%%"REG_a");\n\t"\
812
"add %%"REG_c", "PTR_SIZE"*2(%%"REG_a");\n\t"\
813
"add %%"REG_c", "PTR_SIZE"*1(%%"REG_a");\n\t"\
814
"add %%"REG_c", (%%"REG_a") \n\t"\
815
"add"OPSIZE " $"PTR_SIZE"*1, %1 \n\t"\
816
"add %%"REG_c", %0 \n\t"\
819
:"+m"(dst8),"+m"(dst_array),"=&r"(tmp)\
821
"rm"((x86_reg)(src_x<<1)),"m"(obmc),"a"(block),"m"(b_h),"m"(src_stride):\
822
"%"REG_c"","%"REG_S"","%"REG_D"","%"REG_d"");
824
static void inner_add_yblock_bw_8_obmc_16_mmx(const uint8_t *obmc, const x86_reg obmc_stride, uint8_t * * block, int b_w, x86_reg b_h,
825
int src_x, int src_y, x86_reg src_stride, slice_buffer * sb, int add, uint8_t * dst8){
826
snow_inner_add_yblock_mmx_header
827
snow_inner_add_yblock_mmx_start("mm1", "mm5", "3", "0", "0")
828
snow_inner_add_yblock_mmx_accum("2", "8", "0")
829
snow_inner_add_yblock_mmx_accum("1", "128", "0")
830
snow_inner_add_yblock_mmx_accum("0", "136", "0")
831
snow_inner_add_yblock_mmx_mix("0", "0")
832
snow_inner_add_yblock_mmx_end("16")
835
static void inner_add_yblock_bw_16_obmc_32_mmx(const uint8_t *obmc, const x86_reg obmc_stride, uint8_t * * block, int b_w, x86_reg b_h,
836
int src_x, int src_y, x86_reg src_stride, slice_buffer * sb, int add, uint8_t * dst8){
837
snow_inner_add_yblock_mmx_header
838
snow_inner_add_yblock_mmx_start("mm1", "mm5", "3", "0", "0")
839
snow_inner_add_yblock_mmx_accum("2", "16", "0")
840
snow_inner_add_yblock_mmx_accum("1", "512", "0")
841
snow_inner_add_yblock_mmx_accum("0", "528", "0")
842
snow_inner_add_yblock_mmx_mix("0", "0")
844
snow_inner_add_yblock_mmx_start("mm1", "mm5", "3", "8", "8")
845
snow_inner_add_yblock_mmx_accum("2", "24", "8")
846
snow_inner_add_yblock_mmx_accum("1", "520", "8")
847
snow_inner_add_yblock_mmx_accum("0", "536", "8")
848
snow_inner_add_yblock_mmx_mix("16", "8")
849
snow_inner_add_yblock_mmx_end("32")
852
static void ff_snow_inner_add_yblock_sse2(const uint8_t *obmc, const int obmc_stride, uint8_t * * block, int b_w, int b_h,
853
int src_x, int src_y, int src_stride, slice_buffer * sb, int add, uint8_t * dst8){
856
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);
857
else if (b_w == 8 && obmc_stride == 16) {
859
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);
861
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);
863
ff_snow_inner_add_yblock(obmc, obmc_stride, block, b_w, b_h, src_x,src_y, src_stride, sb, add, dst8);
866
static void ff_snow_inner_add_yblock_mmx(const uint8_t *obmc, const int obmc_stride, uint8_t * * block, int b_w, int b_h,
867
int src_x, int src_y, int src_stride, slice_buffer * sb, int add, uint8_t * dst8){
869
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);
870
else if (b_w == 8 && obmc_stride == 16)
871
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);
873
ff_snow_inner_add_yblock(obmc, obmc_stride, block, b_w, b_h, src_x,src_y, src_stride, sb, add, dst8);
876
void ff_dwt_init_x86(DWTContext *c)
878
int mm_flags = av_get_cpu_flags();
880
if (mm_flags & AV_CPU_FLAG_MMX) {
881
if(mm_flags & AV_CPU_FLAG_SSE2 & 0){
882
c->horizontal_compose97i = ff_snow_horizontal_compose97i_sse2;
884
c->vertical_compose97i = ff_snow_vertical_compose97i_sse2;
886
c->inner_add_yblock = ff_snow_inner_add_yblock_sse2;
889
if(mm_flags & AV_CPU_FLAG_MMX2){
890
c->horizontal_compose97i = ff_snow_horizontal_compose97i_mmx;
892
c->vertical_compose97i = ff_snow_vertical_compose97i_mmx;
895
c->inner_add_yblock = ff_snow_inner_add_yblock_mmx;
added
removed
gst-libs/ext/libav/libavcodec/x86/snowdsp_mmx.c
