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Code Issues Releases Wiki Activity

removing unnecessary sse sin/cos LUT

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git-svn-id: svn://svn.mplayerhq.hu/mplayer/trunk@3585 b3059339-0415-0410-9bf9-f77b7e298cf2
This commit is contained in:
michael 2001-12-18 17:29:27 +00:00
parent 932ce66431
commit 1db88fbdcb
1 changed files with 12 additions and 16 deletions
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28
liba52/imdct.c
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@ -79,8 +79,6 @@ static uint8_t bit_reverse_256[] = {
// NOTE: SSE needs 16byte alignment or it will segfault
//
static complex_t __attribute__((aligned(16))) buf[128];
static float __attribute__((aligned(16))) sseSinCos1a[256];
static float __attribute__((aligned(16))) sseSinCos1b[256];
static float __attribute__((aligned(16))) sseSinCos1c[256];
static float __attribute__((aligned(16))) sseSinCos1d[256];
static float __attribute__((aligned(16))) ps111_1[4]={1,1,1,-1};
@ -388,17 +386,20 @@ imdct_do_512_sse(sample_t data[],sample_t delay[], sample_t bias)
"pushl %%ebp \n\t" //use ebp without telling gcc
".balign 16 \n\t"
"1: \n\t"
"movaps (%0, %%esi), %%xmm0 \n\t"
"movaps (%0, %%edi), %%xmm1 \n\t"
"shufps $0xA0, %%xmm0, %%xmm0 \n\t"
"shufps $0x5F, %%xmm1, %%xmm1 \n\t"
"mulps sseSinCos1a(%%esi), %%xmm0 \n\t"
"mulps sseSinCos1b(%%esi), %%xmm1 \n\t"
"addps %%xmm1, %%xmm0 \n\t"
"movlps (%0, %%esi), %%xmm0 \n\t" // XXXI
"movhps 8(%0, %%edi), %%xmm0 \n\t" // RXXI
"movlps 8(%0, %%esi), %%xmm1 \n\t" // XXXi
"movhps (%0, %%edi), %%xmm1 \n\t" // rXXi
"shufps $0x33, %%xmm1, %%xmm0 \n\t" // irIR
"movaps sseSinCos1c(%%esi), %%xmm2 \n\t"
"mulps %%xmm0, %%xmm2 \n\t"
"shufps $0xB1, %%xmm0, %%xmm0 \n\t" // riRI
"mulps sseSinCos1d(%%esi), %%xmm0 \n\t"
"subps %%xmm0, %%xmm2 \n\t"
"movzbl (%%eax), %%edx \n\t"
"movzbl 1(%%eax), %%ebp \n\t"
"movlps %%xmm0, (%1, %%edx,8) \n\t"
"movhps %%xmm0, (%1, %%ebp,8) \n\t"
"movlps %%xmm2, (%1, %%edx,8) \n\t"
"movhps %%xmm2, (%1, %%ebp,8) \n\t"
"addl $16, %%esi \n\t"
"addl $2, %%eax \n\t" // avoid complex addressing for P4 crap
"subl $16, %%edi \n\t"
@ -831,11 +832,6 @@ void imdct_init (uint32_t mm_accel)
}
#ifdef ARCH_X86
for (i = 0; i < 128; i++) {
sseSinCos1a[2*i+0]= -xsin1[i];
sseSinCos1a[2*i+1]= -xcos1[i];
sseSinCos1b[2*i+0]= xcos1[i];
sseSinCos1b[2*i+1]= -xsin1[i];
sseSinCos1c[2*i+0]= xcos1[i];
sseSinCos1c[2*i+1]= -xcos1[i];
sseSinCos1d[2*i+0]= xsin1[i];