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124 lines
3.8 KiB
124 lines
3.8 KiB
/* |
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* MMX optimized DSP utils |
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* Copyright (c) 2007 Aurelien Jacobs <aurel@gnuage.org> |
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* |
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* This file is part of FFmpeg. |
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* |
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* FFmpeg 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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* |
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* FFmpeg 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 FFmpeg; 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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#ifndef FFMPEG_DSPUTIL_MMX_H |
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#define FFMPEG_DSPUTIL_MMX_H |
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#include <stdint.h> |
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#include "libavcodec/dsputil.h" |
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typedef struct { uint64_t a, b; } xmm_t; |
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extern const uint64_t ff_bone; |
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extern const uint64_t ff_wtwo; |
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extern const uint64_t ff_pdw_80000000[2]; |
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extern const uint64_t ff_pw_3; |
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extern const uint64_t ff_pw_4; |
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extern const xmm_t ff_pw_5; |
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extern const uint64_t ff_pw_8; |
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extern const uint64_t ff_pw_15; |
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extern const xmm_t ff_pw_16; |
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extern const uint64_t ff_pw_20; |
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extern const xmm_t ff_pw_28; |
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extern const xmm_t ff_pw_32; |
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extern const uint64_t ff_pw_42; |
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extern const uint64_t ff_pw_64; |
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extern const uint64_t ff_pw_96; |
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extern const uint64_t ff_pw_128; |
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extern const uint64_t ff_pw_255; |
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extern const uint64_t ff_pb_1; |
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extern const uint64_t ff_pb_3; |
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extern const uint64_t ff_pb_7; |
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extern const uint64_t ff_pb_3F; |
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extern const uint64_t ff_pb_A1; |
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extern const uint64_t ff_pb_FC; |
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extern const double ff_pd_1[2]; |
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extern const double ff_pd_2[2]; |
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/* in/out: mma=mma+mmb, mmb=mmb-mma */ |
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#define SUMSUB_BA( a, b ) \ |
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"paddw "#b", "#a" \n\t"\ |
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"paddw "#b", "#b" \n\t"\ |
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"psubw "#a", "#b" \n\t" |
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#define SBUTTERFLY(a,b,t,n,m)\ |
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"mov" #m " " #a ", " #t " \n\t" /* abcd */\ |
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"punpckl" #n " " #b ", " #a " \n\t" /* aebf */\ |
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"punpckh" #n " " #b ", " #t " \n\t" /* cgdh */\ |
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#define TRANSPOSE4(a,b,c,d,t)\ |
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SBUTTERFLY(a,b,t,wd,q) /* a=aebf t=cgdh */\ |
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SBUTTERFLY(c,d,b,wd,q) /* c=imjn b=kolp */\ |
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SBUTTERFLY(a,c,d,dq,q) /* a=aeim d=bfjn */\ |
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SBUTTERFLY(t,b,c,dq,q) /* t=cgko c=dhlp */ |
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#ifdef ARCH_X86_64 |
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// permutes 01234567 -> 05736421 |
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#define TRANSPOSE8(a,b,c,d,e,f,g,h,t)\ |
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SBUTTERFLY(a,b,%%xmm8,wd,dqa)\ |
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SBUTTERFLY(c,d,b,wd,dqa)\ |
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SBUTTERFLY(e,f,d,wd,dqa)\ |
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SBUTTERFLY(g,h,f,wd,dqa)\ |
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SBUTTERFLY(a,c,h,dq,dqa)\ |
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SBUTTERFLY(%%xmm8,b,c,dq,dqa)\ |
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SBUTTERFLY(e,g,b,dq,dqa)\ |
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SBUTTERFLY(d,f,g,dq,dqa)\ |
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SBUTTERFLY(a,e,f,qdq,dqa)\ |
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SBUTTERFLY(%%xmm8,d,e,qdq,dqa)\ |
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SBUTTERFLY(h,b,d,qdq,dqa)\ |
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SBUTTERFLY(c,g,b,qdq,dqa)\ |
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"movdqa %%xmm8, "#g" \n\t" |
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#else |
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#define TRANSPOSE8(a,b,c,d,e,f,g,h,t)\ |
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"movdqa "#h", "#t" \n\t"\ |
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SBUTTERFLY(a,b,h,wd,dqa)\ |
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"movdqa "#h", 16"#t" \n\t"\ |
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"movdqa "#t", "#h" \n\t"\ |
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SBUTTERFLY(c,d,b,wd,dqa)\ |
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SBUTTERFLY(e,f,d,wd,dqa)\ |
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SBUTTERFLY(g,h,f,wd,dqa)\ |
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SBUTTERFLY(a,c,h,dq,dqa)\ |
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"movdqa "#h", "#t" \n\t"\ |
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"movdqa 16"#t", "#h" \n\t"\ |
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SBUTTERFLY(h,b,c,dq,dqa)\ |
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SBUTTERFLY(e,g,b,dq,dqa)\ |
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SBUTTERFLY(d,f,g,dq,dqa)\ |
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SBUTTERFLY(a,e,f,qdq,dqa)\ |
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SBUTTERFLY(h,d,e,qdq,dqa)\ |
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"movdqa "#h", 16"#t" \n\t"\ |
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"movdqa "#t", "#h" \n\t"\ |
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SBUTTERFLY(h,b,d,qdq,dqa)\ |
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SBUTTERFLY(c,g,b,qdq,dqa)\ |
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"movdqa 16"#t", "#g" \n\t" |
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#endif |
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#define MOVQ_WONE(regd) \ |
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asm volatile ( \ |
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"pcmpeqd %%" #regd ", %%" #regd " \n\t" \ |
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"psrlw $15, %%" #regd ::) |
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void dsputilenc_init_mmx(DSPContext* c, AVCodecContext *avctx); |
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#endif /* FFMPEG_DSPUTIL_MMX_H */
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