diff options
Diffstat (limited to 'libavcodec/x86/dsputil_mmx.h')
| -rw-r--r-- | libavcodec/x86/dsputil_mmx.h | 154 |
1 files changed, 154 insertions, 0 deletions
diff --git a/libavcodec/x86/dsputil_mmx.h b/libavcodec/x86/dsputil_mmx.h new file mode 100644 index 0000000000..87617e3016 --- /dev/null +++ b/libavcodec/x86/dsputil_mmx.h @@ -0,0 +1,154 @@ +/* + * MMX optimized DSP utils + * Copyright (c) 2007 Aurelien Jacobs <aurel@gnuage.org> + * + * This file is part of FFmpeg. + * + * FFmpeg 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 2.1 of the License, or (at your option) any later version. + * + * FFmpeg 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 FFmpeg; if not, write to the Free Software + * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA + */ + +#ifndef AVCODEC_X86_DSPUTIL_MMX_H +#define AVCODEC_X86_DSPUTIL_MMX_H + +#include <stdint.h> +#include "libavcodec/dsputil.h" + +typedef struct { uint64_t a, b; } xmm_reg; + +extern const uint64_t ff_bone; +extern const uint64_t ff_wtwo; + +extern const uint64_t ff_pdw_80000000[2]; + +extern const uint64_t ff_pw_3; +extern const uint64_t ff_pw_4; +extern const xmm_reg ff_pw_5; +extern const xmm_reg ff_pw_8; +extern const uint64_t ff_pw_15; +extern const xmm_reg ff_pw_16; +extern const uint64_t ff_pw_20; +extern const xmm_reg ff_pw_28; +extern const xmm_reg ff_pw_32; +extern const uint64_t ff_pw_42; +extern const uint64_t ff_pw_64; +extern const uint64_t ff_pw_96; +extern const uint64_t ff_pw_128; +extern const uint64_t ff_pw_255; + +extern const uint64_t ff_pb_1; +extern const uint64_t ff_pb_3; +extern const uint64_t ff_pb_7; +extern const uint64_t ff_pb_1F; +extern const uint64_t ff_pb_3F; +extern const uint64_t ff_pb_81; +extern const uint64_t ff_pb_A1; +extern const uint64_t ff_pb_FC; + +extern const double ff_pd_1[2]; +extern const double ff_pd_2[2]; + +#define LOAD4(stride,in,a,b,c,d)\ + "movq 0*"#stride"+"#in", "#a"\n\t"\ + "movq 1*"#stride"+"#in", "#b"\n\t"\ + "movq 2*"#stride"+"#in", "#c"\n\t"\ + "movq 3*"#stride"+"#in", "#d"\n\t" + +#define STORE4(stride,out,a,b,c,d)\ + "movq "#a", 0*"#stride"+"#out"\n\t"\ + "movq "#b", 1*"#stride"+"#out"\n\t"\ + "movq "#c", 2*"#stride"+"#out"\n\t"\ + "movq "#d", 3*"#stride"+"#out"\n\t" + +/* in/out: mma=mma+mmb, mmb=mmb-mma */ +#define SUMSUB_BA( a, b ) \ + "paddw "#b", "#a" \n\t"\ + "paddw "#b", "#b" \n\t"\ + "psubw "#a", "#b" \n\t" + +#define SBUTTERFLY(a,b,t,n,m)\ + "mov" #m " " #a ", " #t " \n\t" /* abcd */\ + "punpckl" #n " " #b ", " #a " \n\t" /* aebf */\ + "punpckh" #n " " #b ", " #t " \n\t" /* cgdh */\ + +#define TRANSPOSE4(a,b,c,d,t)\ + SBUTTERFLY(a,b,t,wd,q) /* a=aebf t=cgdh */\ + SBUTTERFLY(c,d,b,wd,q) /* c=imjn b=kolp */\ + SBUTTERFLY(a,c,d,dq,q) /* a=aeim d=bfjn */\ + SBUTTERFLY(t,b,c,dq,q) /* t=cgko c=dhlp */ + +// e,f,g,h can be memory +// out: a,d,t,c +#define TRANSPOSE8x4(a,b,c,d,e,f,g,h,t)\ + "punpcklbw " #e ", " #a " \n\t" /* a0 e0 a1 e1 a2 e2 a3 e3 */\ + "punpcklbw " #f ", " #b " \n\t" /* b0 f0 b1 f1 b2 f2 b3 f3 */\ + "punpcklbw " #g ", " #c " \n\t" /* c0 g0 c1 g1 c2 g2 d3 g3 */\ + "punpcklbw " #h ", " #d " \n\t" /* d0 h0 d1 h1 d2 h2 d3 h3 */\ + SBUTTERFLY(a, b, t, bw, q) /* a= a0 b0 e0 f0 a1 b1 e1 f1 */\ + /* t= a2 b2 e2 f2 a3 b3 e3 f3 */\ + SBUTTERFLY(c, d, b, bw, q) /* c= c0 d0 g0 h0 c1 d1 g1 h1 */\ + /* b= c2 d2 g2 h2 c3 d3 g3 h3 */\ + SBUTTERFLY(a, c, d, wd, q) /* a= a0 b0 c0 d0 e0 f0 g0 h0 */\ + /* d= a1 b1 c1 d1 e1 f1 g1 h1 */\ + SBUTTERFLY(t, b, c, wd, q) /* t= a2 b2 c2 d2 e2 f2 g2 h2 */\ + /* c= a3 b3 c3 d3 e3 f3 g3 h3 */ + +#ifdef ARCH_X86_64 +// permutes 01234567 -> 05736421 +#define TRANSPOSE8(a,b,c,d,e,f,g,h,t)\ + SBUTTERFLY(a,b,%%xmm8,wd,dqa)\ + SBUTTERFLY(c,d,b,wd,dqa)\ + SBUTTERFLY(e,f,d,wd,dqa)\ + SBUTTERFLY(g,h,f,wd,dqa)\ + SBUTTERFLY(a,c,h,dq,dqa)\ + SBUTTERFLY(%%xmm8,b,c,dq,dqa)\ + SBUTTERFLY(e,g,b,dq,dqa)\ + SBUTTERFLY(d,f,g,dq,dqa)\ + SBUTTERFLY(a,e,f,qdq,dqa)\ + SBUTTERFLY(%%xmm8,d,e,qdq,dqa)\ + SBUTTERFLY(h,b,d,qdq,dqa)\ + SBUTTERFLY(c,g,b,qdq,dqa)\ + "movdqa %%xmm8, "#g" \n\t" +#else +#define TRANSPOSE8(a,b,c,d,e,f,g,h,t)\ + "movdqa "#h", "#t" \n\t"\ + SBUTTERFLY(a,b,h,wd,dqa)\ + "movdqa "#h", 16"#t" \n\t"\ + "movdqa "#t", "#h" \n\t"\ + SBUTTERFLY(c,d,b,wd,dqa)\ + SBUTTERFLY(e,f,d,wd,dqa)\ + SBUTTERFLY(g,h,f,wd,dqa)\ + SBUTTERFLY(a,c,h,dq,dqa)\ + "movdqa "#h", "#t" \n\t"\ + "movdqa 16"#t", "#h" \n\t"\ + SBUTTERFLY(h,b,c,dq,dqa)\ + SBUTTERFLY(e,g,b,dq,dqa)\ + SBUTTERFLY(d,f,g,dq,dqa)\ + SBUTTERFLY(a,e,f,qdq,dqa)\ + SBUTTERFLY(h,d,e,qdq,dqa)\ + "movdqa "#h", 16"#t" \n\t"\ + "movdqa "#t", "#h" \n\t"\ + SBUTTERFLY(h,b,d,qdq,dqa)\ + SBUTTERFLY(c,g,b,qdq,dqa)\ + "movdqa 16"#t", "#g" \n\t" +#endif + +#define MOVQ_WONE(regd) \ + __asm__ volatile ( \ + "pcmpeqd %%" #regd ", %%" #regd " \n\t" \ + "psrlw $15, %%" #regd ::) + +void dsputilenc_init_mmx(DSPContext* c, AVCodecContext *avctx); + +#endif /* AVCODEC_X86_DSPUTIL_MMX_H */ |