RepoMirrors
/
mpv
mirror of https://github.com/mpv-player/mpv
1
0
Fork 0
Code Issues Releases Wiki Activity

Improvements 

git-svn-id: svn://svn.mplayerhq.hu/mplayer/trunk@887 b3059339-0415-0410-9bf9-f77b7e298cf2
This commit is contained in:
nickols_k 2001-05-26 15:43:54 +00:00
parent df7072771e
commit d687880b3e
1 changed files with 54 additions and 7 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

61
liba52/srfftp_3dnow.h
View File

@ -33,6 +33,8 @@
#ifndef SRFFTP_3DNOW_H__
#define SRFFTP_3DNOW_H__
static float HSQRT2_3DNOW = 0.707106781188;
#ifdef HAVE_3DNOWEX
#define TRANS_FILL_MM6_MM7_3DNOW()\
asm(\
@ -59,10 +61,10 @@
#endif
#ifdef HAVE_3DNOWEX
#define PSWAP_MM(mm_base,mm_hlp) "pswapd "##mm_base","##mm_base" \n\t"
#define PSWAP_MM(mm_base,mm_hlp) "pswapd "##mm_base","##mm_base"\n\t"
#else
#define PSWAP_MM(mm_base,mm_hlp)\
"movq "##mm_base","##mm_hlp" \n\t"\
"movq "##mm_base","##mm_hlp"\n\t"\
"psrlq $32, "##mm_base"\n\t"\
"punpckldq "##mm_hlp","##mm_base"\n\t"
#endif
@ -82,16 +84,16 @@
"movq %%mm0, %%mm4\n\t"/*v.re =-wTB[0].im + wTB[k*2].im;*/\
PSWAP_MM("%%mm4","%%mm2")/* mm4 = v*/\
"movq %6, %%mm0\n\t" /* a1 = A0;*/\
"movq %%mm0, %%mm1\n\t"\
"pfadd %%mm5, %%mm0\n\t" /*A0 = a1 + u;*/\
"pfsub %%mm5, %%mm1\n\t" /*A1 = a1 - u;*/\
"movq %%mm0, %0\n\t"\
"movq %%mm1, %1\n\t"\
"movq %7, %%mm2\n\t" /* a1 = A4;*/\
"movq %%mm0, %%mm1\n\t"\
"movq %%mm2, %%mm3\n\t"\
"pfadd %%mm5, %%mm0\n\t" /*A0 = a1 + u;*/\
"pfadd %%mm4, %%mm2\n\t" /*A12 = a1 + v;*/\
"pfsub %%mm5, %%mm1\n\t" /*A1 = a1 - u;*/\
"pfsub %%mm4, %%mm3\n\t" /*A4 = a1 - v;*/\
"movq %%mm0, %0\n\t"\
"movq %%mm2, %3\n\t"\
"movq %%mm1, %1\n\t"\
"movq %%mm3, %2"\
:"=m"(A0), "=m"(A8), "=m"(A4), "=m"(A12)\
:"m"(wTB[0]), "m"(wTB[k*2]), "0"(A0), "2"(A4)\
@ -99,4 +101,49 @@
asm volatile("femms":::"memory");\
}
#define TRANSHALF_16_3DNOW(A2,A6,A10,A14)\
{\
asm volatile("femms":::"memory");\
TRANS_FILL_MM6_MM7_3DNOW()\
asm(\
"movq %4, %%mm0\n\t"/*u.re = wTB[2].im + wTB[2].re;*/\
"movq %%mm0, %%mm1\n\t"\
"pfmul %%mm7, %%mm1\n\t"\
"pfacc %%mm1, %%mm0\n\t"/*u.im = wTB[2].im - wTB[2].re; mm0 = u*/\
"movq %5, %%mm1\n\t" /*a.re = wTB[6].im - wTB[6].re; */\
"movq %%mm1, %%mm2\n\t"\
"pfmul %%mm7, %%mm1\n\t"\
"pfacc %%mm2, %%mm1\n\t"/*a.im = wTB[6].im + wTB[6].re; mm1 = a*/\
"movq %%mm1, %%mm2\n\t"\
"pfmul %%mm7, %%mm2\n\t"/*v.im = u.re - a.re;*/\
"movq %%mm0, %%mm3\n\t"/*v.re = u.im + a.im;*/\
"pfadd %%mm2, %%mm3\n\t"\
PSWAP_MM("%%mm3","%%mm2")/*mm3 = v*/\
"pfmul %%mm6, %%mm1\n\t"/*u.re = u.re + a.re;*/\
"pfadd %%mm1, %%mm0\n\t"/*u.im = u.im - a.im; mm0 = u*/\
"movd %8, %%mm2\n\t"\
"punpckldq %8, %%mm2\n\t"\
"pfmul %%mm2, %%mm3\n\t" /* v *= HSQRT2_3DNOW; */\
"pfmul %%mm2, %%mm0\n\t" /* u *= HSQRT2_3DNOW; */\
"movq %6, %%mm1\n\t" /* a1 = A2;*/\
"movq %%mm1, %%mm2\n\t"\
"pfadd %%mm0, %%mm1\n\t" /*A2 = a1 + u;*/\
"pfsub %%mm0, %%mm2\n\t" /*A2 = a1 - u;*/\
"movq %%mm1, %0\n\t"\
"movq %%mm2, %1\n\t"\
"movq %7, %%mm1\n\t" /* a1 = A6;*/\
"movq %%mm1, %%mm2\n\t"\
"movq %%mm3, %%mm4\n\t"\
"pfmul %%mm6, %%mm4\n\t"/*A6.re = a1.re + v.re;*/\
"pfadd %%mm4, %%mm1\n\t"/*A6.im = a1.im - v.im;*/\
"pfmul %%mm7, %%mm3\n\t"/*A14.re = a1.re - v.re;*/\
"pfadd %%mm3, %%mm2\n\t"/*A14.im = a1.im + v.im;*/\
"movq %%mm1, %2\n\t"\
"movq %%mm2, %3"\
:"=m"(A2), "=m"(A10), "=m"(A6), "=m"(A14)\
:"m"(wTB[2]), "m"(wTB[6]), "0"(A2), "2"(A6), "m"(HSQRT2_3DNOW)\
:"memory");\
asm volatile("femms":::"memory");\
}
#endif