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author | nickols_k <nickols_k@b3059339-0415-0410-9bf9-f77b7e298cf2> | 2001-06-20 07:54:19 +0000 |
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committer | nickols_k <nickols_k@b3059339-0415-0410-9bf9-f77b7e298cf2> | 2001-06-20 07:54:19 +0000 |
commit | 1202129042d7f1dbe58953ddd2f3d771ed4379ac (patch) | |
tree | 4ac93dae0cbf799d663e40d2842b7717d081c75b /liba52 | |
parent | b267d6e357653f7fffba35ba666304b0af544452 (diff) | |
download | mpv-1202129042d7f1dbe58953ddd2f3d771ed4379ac.tar.bz2 mpv-1202129042d7f1dbe58953ddd2f3d771ed4379ac.tar.xz |
Better 3dnow! optimization
git-svn-id: svn://svn.mplayerhq.hu/mplayer/trunk@1174 b3059339-0415-0410-9bf9-f77b7e298cf2
Diffstat (limited to 'liba52')
-rw-r--r-- | liba52/srfftp_3dnow.h | 54 |
1 files changed, 20 insertions, 34 deletions
diff --git a/liba52/srfftp_3dnow.h b/liba52/srfftp_3dnow.h index d62d3684a7..c5e6dd1c24 100644 --- a/liba52/srfftp_3dnow.h +++ b/liba52/srfftp_3dnow.h @@ -33,32 +33,18 @@ #ifndef SRFFTP_3DNOW_H__ #define SRFFTP_3DNOW_H__ -static complex_t HSQRT2_3DNOW __attribute__ ((aligned (8))) = { 0.707106781188, 0.707106781188 }; +typedef struct +{ + unsigned long val[2]; +}i_cmplx_t; -#ifdef HAVE_3DNOWEX #define TRANS_FILL_MM6_MM7_3DNOW()\ __asm__ __volatile__(\ - "movl $-1, %%eax\n\t"\ - "movd %%eax, %%mm7\n\t"\ - "negl %%eax\n\t"\ - "movd %%eax, %%mm6\n\t"\ - "punpckldq %%mm6, %%mm7\n\t" /* -1.0 | 1.0 */\ - "pi2fd %%mm7, %%mm7\n\t"\ - "pswapd %%mm7, %%mm6\n\t"/* 1.0 | -1.0 */\ - :::"eax","memory"); -#else -#define TRANS_FILL_MM6_MM7_3DNOW()\ - __asm__ __volatile__(\ - "movl $-1, %%eax\n\t"\ - "movd %%eax, %%mm7\n\t"\ - "negl %%eax\n\t"\ - "movd %%eax, %%mm6\n\t"\ - "punpckldq %%mm6, %%mm7\n\t" /* -1.0 | 1.0 */\ - "punpckldq %%mm7, %%mm6\n\t" /* 1.0 | -1.0 */\ - "pi2fd %%mm7, %%mm7\n\t"\ - "pi2fd %%mm6, %%mm6\n\t"\ - :::"eax","memory"); -#endif + "movq %1, %%mm7\n\t"\ + "movq %0, %%mm6\n\t"\ + ::"m"(x_plus_minus_3dnow),\ + "m"(x_minus_plus_3dnow)\ + :"memory"); #ifdef HAVE_3DNOWEX #define PSWAP_MM(mm_base,mm_hlp) "pswapd "mm_base","mm_base"\n\t" @@ -85,8 +71,8 @@ static complex_t HSQRT2_3DNOW __attribute__ ((aligned (8))) = { 0.707106781188, "movq %5, %%mm1\n\t" /* mm1 = wTB[k*2]*/ \ "movq %%mm0, %%mm5\n\t"/*u.re = wTB[0].re + wTB[k*2].re;*/\ "pfadd %%mm1, %%mm5\n\t"/*u.im = wTB[0].im + wTB[k*2].im; mm5 = u*/\ - "pfmul %%mm6, %%mm0\n\t"/*mm0 = wTB[0].re | -wTB[0].im */\ - "pfmul %%mm7, %%mm1\n\t"/*mm1 = -wTB[k*2].re | wTB[k*2].im */\ + "pxor %%mm6, %%mm0\n\t"/*mm0 = wTB[0].re | -wTB[0].im */\ + "pxor %%mm7, %%mm1\n\t"/*mm1 = -wTB[k*2].re | wTB[k*2].im */\ "pfadd %%mm1, %%mm0\n\t"/*v.im = wTB[0].re - wTB[k*2].re;*/\ "movq %%mm0, %%mm4\n\t"/*v.re =-wTB[0].im + wTB[k*2].im;*/\ PSWAP_MM("%%mm4","%%mm2")/* mm4 = v*/\ @@ -112,18 +98,18 @@ static complex_t HSQRT2_3DNOW __attribute__ ((aligned (8))) = { 0.707106781188, __asm__ __volatile__(\ "movq %4, %%mm0\n\t"/*u.re = wTB[2].im + wTB[2].re;*/\ "movq %%mm0, %%mm1\n\t"\ - "pfmul %%mm7, %%mm1\n\t"\ + "pxor %%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"\ + "pxor %%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;*/\ + "pxor %%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;*/\ + "pxor %%mm6, %%mm1\n\t"/*u.re = u.re + a.re;*/\ "pfadd %%mm1, %%mm0\n\t"/*u.im = u.im - a.im; mm0 = u*/\ "movq %8, %%mm2\n\t"\ "pfmul %%mm2, %%mm3\n\t" /* v *= HSQRT2_3DNOW; */\ @@ -133,9 +119,9 @@ static complex_t HSQRT2_3DNOW __attribute__ ((aligned (8))) = { 0.707106781188, "movq %%mm1, %%mm2\n\t"\ "movq %%mm3, %%mm4\n\t"\ "pfadd %%mm0, %%mm1\n\t" /*A2 = a1 + u;*/\ - "pfmul %%mm6, %%mm4\n\t"/*A6.re = a1.re + v.re;*/\ + "pxor %%mm6, %%mm4\n\t"/*A6.re = a1.re + v.re;*/\ "pfsub %%mm0, %%mm2\n\t" /*A2 = a1 - u;*/\ - "pfmul %%mm7, %%mm3\n\t"/*A14.re = a1.re - v.re;*/\ + "pxor %%mm7, %%mm3\n\t"/*A14.re = a1.re - v.re;*/\ "movq %%mm1, %0\n\t"\ "movq %%mm2, %1\n\t"\ "movq %%mm5, %%mm2\n\t"\ @@ -159,7 +145,7 @@ static complex_t HSQRT2_3DNOW __attribute__ ((aligned (8))) = { 0.707106781188, "pfmul %%mm0, %%mm4\n\t"/* mm4 =u.re | u.im */\ "pfmul %%mm0, %%mm5\n\t"/* mm5 = a.re | a.im */\ PSWAP_MM("%%mm5","%%mm3")\ - "pfmul %%mm7, %%mm5\n\t"\ + "pxor %%mm7, %%mm5\n\t"\ "pfadd %%mm5, %%mm4\n\t"/* mm4 = u*/\ "movq %3, %%mm1\n\t"\ "movq %2, %%mm0\n\t"\ @@ -171,9 +157,9 @@ static complex_t HSQRT2_3DNOW __attribute__ ((aligned (8))) = { 0.707106781188, "pfacc %%mm0, %%mm0\n\t"\ "movq %%mm4, %%mm5\n\t"\ "punpckldq %%mm0,%%mm2\n\t"/*mm2 = v.re | a.re*/\ - "pfmul %%mm6, %%mm5\n\t"\ + "pxor %%mm6, %%mm5\n\t"\ "movq %%mm2, %%mm3\n\t"\ - "pfmul %%mm7, %%mm3\n\t"\ + "pxor %%mm7, %%mm3\n\t"\ "pfadd %%mm3, %%mm5\n\t"\ PSWAP_MM("%%mm5","%%mm3")/* mm5 = v*/\ "pfadd %%mm2, %%mm4\n\t"\ |