250 lines
12 KiB
C
250 lines
12 KiB
C
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/*
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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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*
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* This library 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 of the License, or (at your option) any later version.
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*
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* This library 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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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; 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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*/
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#include "../avcodec.h"
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#include "../snow.h"
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#include "mmx.h"
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#define snow_vertical_compose_sse2_load_add(op,r,t0,t1,t2,t3)\
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""op" (%%"r",%%"REG_d",4), %%"t0" \n\t"\
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""op" 16(%%"r",%%"REG_d",4), %%"t1" \n\t"\
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""op" 32(%%"r",%%"REG_d",4), %%"t2" \n\t"\
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""op" 48(%%"r",%%"REG_d",4), %%"t3" \n\t"
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#define snow_vertical_compose_sse2_load(r,t0,t1,t2,t3)\
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snow_vertical_compose_sse2_load_add("movdqa",r,t0,t1,t2,t3)
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#define snow_vertical_compose_sse2_add(r,t0,t1,t2,t3)\
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snow_vertical_compose_sse2_load_add("paddd",r,t0,t1,t2,t3)
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#define snow_vertical_compose_sse2_sub(s0,s1,s2,s3,t0,t1,t2,t3)\
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"psubd %%"s0", %%"t0" \n\t"\
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"psubd %%"s1", %%"t1" \n\t"\
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"psubd %%"s2", %%"t2" \n\t"\
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"psubd %%"s3", %%"t3" \n\t"
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#define snow_vertical_compose_sse2_store(w,s0,s1,s2,s3)\
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"movdqa %%"s0", (%%"w",%%"REG_d",4) \n\t"\
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"movdqa %%"s1", 16(%%"w",%%"REG_d",4) \n\t"\
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"movdqa %%"s2", 32(%%"w",%%"REG_d",4) \n\t"\
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"movdqa %%"s3", 48(%%"w",%%"REG_d",4) \n\t"
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#define snow_vertical_compose_sse2_sra(n,t0,t1,t2,t3)\
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"psrad $"n", %%"t0" \n\t"\
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"psrad $"n", %%"t1" \n\t"\
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"psrad $"n", %%"t2" \n\t"\
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"psrad $"n", %%"t3" \n\t"
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#define snow_vertical_compose_sse2_r2r_add(s0,s1,s2,s3,t0,t1,t2,t3)\
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"paddd %%"s0", %%"t0" \n\t"\
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"paddd %%"s1", %%"t1" \n\t"\
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"paddd %%"s2", %%"t2" \n\t"\
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"paddd %%"s3", %%"t3" \n\t"
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#define snow_vertical_compose_sse2_sll(n,t0,t1,t2,t3)\
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"pslld $"n", %%"t0" \n\t"\
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"pslld $"n", %%"t1" \n\t"\
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"pslld $"n", %%"t2" \n\t"\
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"pslld $"n", %%"t3" \n\t"
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#define snow_vertical_compose_sse2_move(s0,s1,s2,s3,t0,t1,t2,t3)\
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"movdqa %%"s0", %%"t0" \n\t"\
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"movdqa %%"s1", %%"t1" \n\t"\
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"movdqa %%"s2", %%"t2" \n\t"\
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"movdqa %%"s3", %%"t3" \n\t"
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void ff_snow_vertical_compose97i_sse2(DWTELEM *b0, DWTELEM *b1, DWTELEM *b2, DWTELEM *b3, DWTELEM *b4, DWTELEM *b5, int width){
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long i = width;
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while(i & 0xF)
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{
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i--;
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b4[i] -= (W_DM*(b3[i] + b5[i])+W_DO)>>W_DS;
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b3[i] -= (W_CM*(b2[i] + b4[i])+W_CO)>>W_CS;
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b2[i] += (W_BM*(b1[i] + b3[i])+4*b2[i]+W_BO)>>W_BS;
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b1[i] += (W_AM*(b0[i] + b2[i])+W_AO)>>W_AS;
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}
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asm volatile (
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"jmp 2f \n\t"
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"1: \n\t"
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"mov %6, %%"REG_a" \n\t"
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"mov %4, %%"REG_b" \n\t"
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snow_vertical_compose_sse2_load(REG_b,"xmm0","xmm2","xmm4","xmm6")
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snow_vertical_compose_sse2_add(REG_a,"xmm0","xmm2","xmm4","xmm6")
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snow_vertical_compose_sse2_move("xmm0","xmm2","xmm4","xmm6","xmm1","xmm3","xmm5","xmm7")
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snow_vertical_compose_sse2_sll("1","xmm0","xmm2","xmm4","xmm6")\
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snow_vertical_compose_sse2_r2r_add("xmm1","xmm3","xmm5","xmm7","xmm0","xmm2","xmm4","xmm6")
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"pcmpeqd %%xmm1, %%xmm1 \n\t"
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"pslld $31, %%xmm1 \n\t"
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"psrld $29, %%xmm1 \n\t"
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"mov %5, %%"REG_a" \n\t"
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snow_vertical_compose_sse2_r2r_add("xmm1","xmm1","xmm1","xmm1","xmm0","xmm2","xmm4","xmm6")
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snow_vertical_compose_sse2_sra("3","xmm0","xmm2","xmm4","xmm6")
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snow_vertical_compose_sse2_load(REG_a,"xmm1","xmm3","xmm5","xmm7")
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snow_vertical_compose_sse2_sub("xmm0","xmm2","xmm4","xmm6","xmm1","xmm3","xmm5","xmm7")
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snow_vertical_compose_sse2_store(REG_a,"xmm1","xmm3","xmm5","xmm7")
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"mov %3, %%"REG_c" \n\t"
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snow_vertical_compose_sse2_load(REG_b,"xmm0","xmm2","xmm4","xmm6")
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snow_vertical_compose_sse2_add(REG_c,"xmm1","xmm3","xmm5","xmm7")
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snow_vertical_compose_sse2_sub("xmm1","xmm3","xmm5","xmm7","xmm0","xmm2","xmm4","xmm6")
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snow_vertical_compose_sse2_store(REG_b,"xmm0","xmm2","xmm4","xmm6")
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"mov %2, %%"REG_a" \n\t"
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snow_vertical_compose_sse2_load(REG_c,"xmm1","xmm3","xmm5","xmm7")
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snow_vertical_compose_sse2_add(REG_a,"xmm0","xmm2","xmm4","xmm6")
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snow_vertical_compose_sse2_sll("2","xmm1","xmm3","xmm5","xmm7")\
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snow_vertical_compose_sse2_r2r_add("xmm1","xmm3","xmm5","xmm7","xmm0","xmm2","xmm4","xmm6")
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"pcmpeqd %%xmm1, %%xmm1 \n\t"
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"pslld $31, %%xmm1 \n\t"
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"psrld $28, %%xmm1 \n\t"
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"mov %1, %%"REG_b" \n\t"
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snow_vertical_compose_sse2_r2r_add("xmm1","xmm1","xmm1","xmm1","xmm0","xmm2","xmm4","xmm6")
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snow_vertical_compose_sse2_sra("4","xmm0","xmm2","xmm4","xmm6")
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snow_vertical_compose_sse2_add(REG_c,"xmm0","xmm2","xmm4","xmm6")
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snow_vertical_compose_sse2_store(REG_c,"xmm0","xmm2","xmm4","xmm6")
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snow_vertical_compose_sse2_add(REG_b,"xmm0","xmm2","xmm4","xmm6")
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snow_vertical_compose_sse2_move("xmm0","xmm2","xmm4","xmm6","xmm1","xmm3","xmm5","xmm7")
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snow_vertical_compose_sse2_sll("1","xmm0","xmm2","xmm4","xmm6")\
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snow_vertical_compose_sse2_r2r_add("xmm1","xmm3","xmm5","xmm7","xmm0","xmm2","xmm4","xmm6")
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snow_vertical_compose_sse2_sra("1","xmm0","xmm2","xmm4","xmm6")
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snow_vertical_compose_sse2_add(REG_a,"xmm0","xmm2","xmm4","xmm6")
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snow_vertical_compose_sse2_store(REG_a,"xmm0","xmm2","xmm4","xmm6")
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"2: \n\t"
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"sub $16, %%"REG_d" \n\t"
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"jge 1b \n\t"
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:"+d"(i)
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:
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"m"(b0),"m"(b1),"m"(b2),"m"(b3),"m"(b4),"m"(b5):
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"%"REG_a"","%"REG_b"","%"REG_c"");
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}
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#define snow_vertical_compose_mmx_load_add(op,r,t0,t1,t2,t3)\
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""op" (%%"r",%%"REG_d",4), %%"t0" \n\t"\
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""op" 8(%%"r",%%"REG_d",4), %%"t1" \n\t"\
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""op" 16(%%"r",%%"REG_d",4), %%"t2" \n\t"\
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""op" 24(%%"r",%%"REG_d",4), %%"t3" \n\t"
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#define snow_vertical_compose_mmx_load(r,t0,t1,t2,t3)\
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snow_vertical_compose_mmx_load_add("movq",r,t0,t1,t2,t3)
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#define snow_vertical_compose_mmx_add(r,t0,t1,t2,t3)\
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snow_vertical_compose_mmx_load_add("paddd",r,t0,t1,t2,t3)
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#define snow_vertical_compose_mmx_sub(s0,s1,s2,s3,t0,t1,t2,t3)\
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snow_vertical_compose_sse2_sub(s0,s1,s2,s3,t0,t1,t2,t3)
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#define snow_vertical_compose_mmx_store(w,s0,s1,s2,s3)\
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"movq %%"s0", (%%"w",%%"REG_d",4) \n\t"\
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"movq %%"s1", 8(%%"w",%%"REG_d",4) \n\t"\
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"movq %%"s2", 16(%%"w",%%"REG_d",4) \n\t"\
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"movq %%"s3", 24(%%"w",%%"REG_d",4) \n\t"
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#define snow_vertical_compose_mmx_sra(n,t0,t1,t2,t3)\
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snow_vertical_compose_sse2_sra(n,t0,t1,t2,t3)
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#define snow_vertical_compose_mmx_r2r_add(s0,s1,s2,s3,t0,t1,t2,t3)\
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snow_vertical_compose_sse2_r2r_add(s0,s1,s2,s3,t0,t1,t2,t3)
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#define snow_vertical_compose_mmx_sll(n,t0,t1,t2,t3)\
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snow_vertical_compose_sse2_sll(n,t0,t1,t2,t3)
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#define snow_vertical_compose_mmx_move(s0,s1,s2,s3,t0,t1,t2,t3)\
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"movq %%"s0", %%"t0" \n\t"\
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"movq %%"s1", %%"t1" \n\t"\
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"movq %%"s2", %%"t2" \n\t"\
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"movq %%"s3", %%"t3" \n\t"
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void ff_snow_vertical_compose97i_mmx(DWTELEM *b0, DWTELEM *b1, DWTELEM *b2, DWTELEM *b3, DWTELEM *b4, DWTELEM *b5, int width){
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long i = width;
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while(i & 0x7)
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{
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i--;
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b4[i] -= (W_DM*(b3[i] + b5[i])+W_DO)>>W_DS;
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b3[i] -= (W_CM*(b2[i] + b4[i])+W_CO)>>W_CS;
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b2[i] += (W_BM*(b1[i] + b3[i])+4*b2[i]+W_BO)>>W_BS;
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b1[i] += (W_AM*(b0[i] + b2[i])+W_AO)>>W_AS;
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}
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asm volatile(
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"jmp 2f \n\t"
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"1: \n\t"
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"mov %6, %%"REG_a" \n\t"
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"mov %4, %%"REG_b" \n\t"
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snow_vertical_compose_mmx_load(REG_b,"mm0","mm2","mm4","mm6")
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snow_vertical_compose_mmx_add(REG_a,"mm0","mm2","mm4","mm6")
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snow_vertical_compose_mmx_move("mm0","mm2","mm4","mm6","mm1","mm3","mm5","mm7")
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snow_vertical_compose_mmx_sll("1","mm0","mm2","mm4","mm6")
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snow_vertical_compose_mmx_r2r_add("mm1","mm3","mm5","mm7","mm0","mm2","mm4","mm6")
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"pcmpeqd %%mm1, %%mm1 \n\t"
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"pslld $31, %%mm1 \n\t"
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"psrld $29, %%mm1 \n\t"
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"mov %5, %%"REG_a" \n\t"
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snow_vertical_compose_mmx_r2r_add("mm1","mm1","mm1","mm1","mm0","mm2","mm4","mm6")
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snow_vertical_compose_mmx_sra("3","mm0","mm2","mm4","mm6")
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snow_vertical_compose_mmx_load(REG_a,"mm1","mm3","mm5","mm7")
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snow_vertical_compose_mmx_sub("mm0","mm2","mm4","mm6","mm1","mm3","mm5","mm7")
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snow_vertical_compose_mmx_store(REG_a,"mm1","mm3","mm5","mm7")
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"mov %3, %%"REG_c" \n\t"
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snow_vertical_compose_mmx_load(REG_b,"mm0","mm2","mm4","mm6")
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snow_vertical_compose_mmx_add(REG_c,"mm1","mm3","mm5","mm7")
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snow_vertical_compose_mmx_sub("mm1","mm3","mm5","mm7","mm0","mm2","mm4","mm6")
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snow_vertical_compose_mmx_store(REG_b,"mm0","mm2","mm4","mm6")
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"mov %2, %%"REG_a" \n\t"
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snow_vertical_compose_mmx_load(REG_c,"mm1","mm3","mm5","mm7")
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snow_vertical_compose_mmx_add(REG_a,"mm0","mm2","mm4","mm6")
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snow_vertical_compose_mmx_sll("2","mm1","mm3","mm5","mm7")
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snow_vertical_compose_mmx_r2r_add("mm1","mm3","mm5","mm7","mm0","mm2","mm4","mm6")
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"pcmpeqd %%mm1, %%mm1 \n\t"
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"pslld $31, %%mm1 \n\t"
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"psrld $28, %%mm1 \n\t"
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"mov %1, %%"REG_b" \n\t"
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snow_vertical_compose_mmx_r2r_add("mm1","mm1","mm1","mm1","mm0","mm2","mm4","mm6")
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snow_vertical_compose_mmx_sra("4","mm0","mm2","mm4","mm6")
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snow_vertical_compose_mmx_add(REG_c,"mm0","mm2","mm4","mm6")
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snow_vertical_compose_mmx_store(REG_c,"mm0","mm2","mm4","mm6")
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snow_vertical_compose_mmx_add(REG_b,"mm0","mm2","mm4","mm6")
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snow_vertical_compose_mmx_move("mm0","mm2","mm4","mm6","mm1","mm3","mm5","mm7")
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snow_vertical_compose_mmx_sll("1","mm0","mm2","mm4","mm6")
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snow_vertical_compose_mmx_r2r_add("mm1","mm3","mm5","mm7","mm0","mm2","mm4","mm6")
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snow_vertical_compose_mmx_sra("1","mm0","mm2","mm4","mm6")
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snow_vertical_compose_mmx_add(REG_a,"mm0","mm2","mm4","mm6")
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snow_vertical_compose_mmx_store(REG_a,"mm0","mm2","mm4","mm6")
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"2: \n\t"
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"sub $8, %%"REG_d" \n\t"
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"jge 1b \n\t"
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:"+d"(i)
|
||
|
|
:
|
||
|
|
"m"(b0),"m"(b1),"m"(b2),"m"(b3),"m"(b4),"m"(b5):
|
||
|
|
"%"REG_a"","%"REG_b"","%"REG_c"");
|
||
|
|
}
|