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mmx opt 

git-svn-id: svn://svn.mplayerhq.hu/mplayer/trunk@3576 b3059339-0415-0410-9bf9-f77b7e298cf2
This commit is contained in:
michael 2001-12-18 01:46:41 +00:00
parent 6c6a98f3bb
commit 18423f8801
3 changed files with 138 additions and 0 deletions
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46
liba52/resample.c
View File

@ -294,6 +294,51 @@ int a52_resample(float * _f, int16_t * s16)
}
break;
case A52_3F2R | A52_LFE:
#ifdef HAVE_MMX
asm volatile(
"movl $-1024, %%esi \n\t"
"movq magicF2W, %%mm7 \n\t"
// "pxor %%mm6, %%mm6 \n\t"
"1: \n\t"
"movq 1024(%1, %%esi), %%mm0 \n\t"
"movq 3072(%1, %%esi), %%mm1 \n\t"
"movq 4096(%1, %%esi), %%mm2 \n\t"
"movq 5120(%1, %%esi), %%mm3 \n\t"
"movq 2048(%1, %%esi), %%mm4 \n\t"
"movq (%1, %%esi), %%mm5 \n\t"
"psubd %%mm7, %%mm0 \n\t"
"psubd %%mm7, %%mm1 \n\t"
"psubd %%mm7, %%mm2 \n\t"
"psubd %%mm7, %%mm3 \n\t"
"psubd %%mm7, %%mm4 \n\t"
"psubd %%mm7, %%mm5 \n\t"
"leal (%%esi, %%esi, 2), %%edi \n\t"
"packssdw %%mm2, %%mm0 \n\t" // CcAa
"packssdw %%mm3, %%mm1 \n\t" // DdBb
"packssdw %%mm4, %%mm4 \n\t" // EeEe
"packssdw %%mm5, %%mm5 \n\t" // FfFf
"movq %%mm0, %%mm2 \n\t" // CcAa
"punpcklwd %%mm1, %%mm0 \n\t" // BAba
"punpckhwd %%mm1, %%mm2 \n\t" // DCdc
"punpcklwd %%mm5, %%mm4 \n\t" // FEfe
"movq %%mm0, %%mm1 \n\t" // BAba
"movq %%mm4, %%mm3 \n\t" // FEfe
"punpckldq %%mm2, %%mm0 \n\t" // dcba
"punpckhdq %%mm1, %%mm1 \n\t" // BABA
"punpckldq %%mm1, %%mm4 \n\t" // BAfe
"punpckhdq %%mm3, %%mm2 \n\t" // FEDC
"movq %%mm0, (%0, %%edi) \n\t"
"movq %%mm4, 8(%0, %%edi) \n\t"
"movq %%mm2, 16(%0, %%edi) \n\t"
"addl $8, %%esi \n\t"
" jnz 1b \n\t"
"emms \n\t"
:: "r" (s16+1536), "r" (f+256)
:"%esi", "%edi", "memory"
);
#else
for (i = 0; i < 256; i++) {
s16[6*i] = convert (f[i+256]);
s16[6*i+1] = convert (f[i+768]);
@ -302,6 +347,7 @@ int a52_resample(float * _f, int16_t * s16)
s16[6*i+4] = convert (f[i+512]);
s16[6*i+5] = convert (f[i]);
}
#endif
break;
}
return chans*256;

46
liba52/resample_c.c
View File

@ -294,6 +294,51 @@ int a52_resample(float * _f, int16_t * s16)
}
break;
case A52_3F2R | A52_LFE:
#ifdef HAVE_MMX
asm volatile(
"movl $-1024, %%esi \n\t"
"movq magicF2W, %%mm7 \n\t"
// "pxor %%mm6, %%mm6 \n\t"
"1: \n\t"
"movq 1024(%1, %%esi), %%mm0 \n\t"
"movq 3072(%1, %%esi), %%mm1 \n\t"
"movq 4096(%1, %%esi), %%mm2 \n\t"
"movq 5120(%1, %%esi), %%mm3 \n\t"
"movq 2048(%1, %%esi), %%mm4 \n\t"
"movq (%1, %%esi), %%mm5 \n\t"
"psubd %%mm7, %%mm0 \n\t"
"psubd %%mm7, %%mm1 \n\t"
"psubd %%mm7, %%mm2 \n\t"
"psubd %%mm7, %%mm3 \n\t"
"psubd %%mm7, %%mm4 \n\t"
"psubd %%mm7, %%mm5 \n\t"
"leal (%%esi, %%esi, 2), %%edi \n\t"
"packssdw %%mm2, %%mm0 \n\t" // CcAa
"packssdw %%mm3, %%mm1 \n\t" // DdBb
"packssdw %%mm4, %%mm4 \n\t" // EeEe
"packssdw %%mm5, %%mm5 \n\t" // FfFf
"movq %%mm0, %%mm2 \n\t" // CcAa
"punpcklwd %%mm1, %%mm0 \n\t" // BAba
"punpckhwd %%mm1, %%mm2 \n\t" // DCdc
"punpcklwd %%mm5, %%mm4 \n\t" // FEfe
"movq %%mm0, %%mm1 \n\t" // BAba
"movq %%mm4, %%mm3 \n\t" // FEfe
"punpckldq %%mm2, %%mm0 \n\t" // dcba
"punpckhdq %%mm1, %%mm1 \n\t" // BABA
"punpckldq %%mm1, %%mm4 \n\t" // BAfe
"punpckhdq %%mm3, %%mm2 \n\t" // FEDC
"movq %%mm0, (%0, %%edi) \n\t"
"movq %%mm4, 8(%0, %%edi) \n\t"
"movq %%mm2, 16(%0, %%edi) \n\t"
"addl $8, %%esi \n\t"
" jnz 1b \n\t"
"emms \n\t"
:: "r" (s16+1536), "r" (f+256)
:"%esi", "%edi", "memory"
);
#else
for (i = 0; i < 256; i++) {
s16[6*i] = convert (f[i+256]);
s16[6*i+1] = convert (f[i+768]);
@ -302,6 +347,7 @@ int a52_resample(float * _f, int16_t * s16)
s16[6*i+4] = convert (f[i+512]);
s16[6*i+5] = convert (f[i]);
}
#endif
break;
}
return chans*256;

46
liba52/resample_mmx.c
View File

@ -294,6 +294,51 @@ int a52_resample(float * _f, int16_t * s16)
}
break;
case A52_3F2R | A52_LFE:
#ifdef HAVE_MMX
asm volatile(
"movl $-1024, %%esi \n\t"
"movq magicF2W, %%mm7 \n\t"
// "pxor %%mm6, %%mm6 \n\t"
"1: \n\t"
"movq 1024(%1, %%esi), %%mm0 \n\t"
"movq 3072(%1, %%esi), %%mm1 \n\t"
"movq 4096(%1, %%esi), %%mm2 \n\t"
"movq 5120(%1, %%esi), %%mm3 \n\t"
"movq 2048(%1, %%esi), %%mm4 \n\t"
"movq (%1, %%esi), %%mm5 \n\t"
"psubd %%mm7, %%mm0 \n\t"
"psubd %%mm7, %%mm1 \n\t"
"psubd %%mm7, %%mm2 \n\t"
"psubd %%mm7, %%mm3 \n\t"
"psubd %%mm7, %%mm4 \n\t"
"psubd %%mm7, %%mm5 \n\t"
"leal (%%esi, %%esi, 2), %%edi \n\t"
"packssdw %%mm2, %%mm0 \n\t" // CcAa
"packssdw %%mm3, %%mm1 \n\t" // DdBb
"packssdw %%mm4, %%mm4 \n\t" // EeEe
"packssdw %%mm5, %%mm5 \n\t" // FfFf
"movq %%mm0, %%mm2 \n\t" // CcAa
"punpcklwd %%mm1, %%mm0 \n\t" // BAba
"punpckhwd %%mm1, %%mm2 \n\t" // DCdc
"punpcklwd %%mm5, %%mm4 \n\t" // FEfe
"movq %%mm0, %%mm1 \n\t" // BAba
"movq %%mm4, %%mm3 \n\t" // FEfe
"punpckldq %%mm2, %%mm0 \n\t" // dcba
"punpckhdq %%mm1, %%mm1 \n\t" // BABA
"punpckldq %%mm1, %%mm4 \n\t" // BAfe
"punpckhdq %%mm3, %%mm2 \n\t" // FEDC
"movq %%mm0, (%0, %%edi) \n\t"
"movq %%mm4, 8(%0, %%edi) \n\t"
"movq %%mm2, 16(%0, %%edi) \n\t"
"addl $8, %%esi \n\t"
" jnz 1b \n\t"
"emms \n\t"
:: "r" (s16+1536), "r" (f+256)
:"%esi", "%edi", "memory"
);
#else
for (i = 0; i < 256; i++) {
s16[6*i] = convert (f[i+256]);
s16[6*i+1] = convert (f[i+768]);
@ -302,6 +347,7 @@ int a52_resample(float * _f, int16_t * s16)
s16[6*i+4] = convert (f[i+512]);
s16[6*i+5] = convert (f[i]);
}
#endif
break;
}
return chans*256;