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ensure alignment (no speed change) 

Originally committed as revision 6891 to svn://svn.ffmpeg.org/ffmpeg/trunk
This commit is contained in:
Michael Niedermayer 2006-11-03 16:54:05 +00:00
parent 48855b26d4
commit 079e61db5d
1 changed files with 6 additions and 6 deletions
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12
libavcodec/i386/h264dsp_mmx.c
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@ -176,7 +176,7 @@ static void ff_h264_idct8_add_mmx(uint8_t *dst, int16_t *block, int stride)
block[0] += 32;
for(i=0; i<2; i++){
uint64_t tmp;
DECLARE_ALIGNED_8(uint64_t, tmp);
h264_idct8_1d(block+4*i);
@ -388,7 +388,7 @@ static void ff_h264_idct8_dc_add_mmx2(uint8_t *dst, int16_t *block, int stride)
static inline void h264_loop_filter_luma_mmx2(uint8_t *pix, int stride, int alpha1, int beta1, int8_t *tc0)
{
uint64_t tmp0[2];
DECLARE_ALIGNED_8(uint64_t, tmp0[2]);
asm volatile(
"movq (%1,%3), %%mm0 \n\t" //p1
@ -450,7 +450,7 @@ static void h264_h_loop_filter_luma_mmx2(uint8_t *pix, int stride, int alpha, in
{
//FIXME: could cut some load/stores by merging transpose with filter
// also, it only needs to transpose 6x8
uint8_t trans[8*8];
DECLARE_ALIGNED_8(uint8_t, trans[8*8]);
int i;
for(i=0; i<2; i++, pix+=8*stride, tc0+=2) {
if((tc0[0] & tc0[1]) < 0)
@ -494,7 +494,7 @@ static void h264_v_loop_filter_chroma_mmx2(uint8_t *pix, int stride, int alpha,
static void h264_h_loop_filter_chroma_mmx2(uint8_t *pix, int stride, int alpha, int beta, int8_t *tc0)
{
//FIXME: could cut some load/stores by merging transpose with filter
uint8_t trans[8*4];
DECLARE_ALIGNED_8(uint8_t, trans[8*4]);
transpose4x4(trans, pix-2, 8, stride);
transpose4x4(trans+4, pix-2+4*stride, 8, stride);
h264_loop_filter_chroma_mmx2(trans+2*8, 8, alpha-1, beta-1, tc0);
@ -544,7 +544,7 @@ static void h264_v_loop_filter_chroma_intra_mmx2(uint8_t *pix, int stride, int a
static void h264_h_loop_filter_chroma_intra_mmx2(uint8_t *pix, int stride, int alpha, int beta)
{
//FIXME: could cut some load/stores by merging transpose with filter
uint8_t trans[8*4];
DECLARE_ALIGNED_8(uint8_t, trans[8*4]);
transpose4x4(trans, pix-2, 8, stride);
transpose4x4(trans+4, pix-2+4*stride, 8, stride);
h264_loop_filter_chroma_intra_mmx2(trans+2*8, 8, alpha-1, beta-1);
@ -567,7 +567,7 @@ static void h264_loop_filter_strength_mmx2( int16_t bS[2][4][4], uint8_t nnz[40]
for( dir=1; dir>=0; dir-- ) {
const int d_idx = dir ? -8 : -1;
const int mask_mv = dir ? mask_mv1 : mask_mv0;
const uint64_t mask_dir = dir ? 0 : 0xffffffffffffffffULL;
DECLARE_ALIGNED_8(const uint64_t, mask_dir) = dir ? 0 : 0xffffffffffffffffULL;
int b_idx, edge, l;
for( b_idx=12, edge=0; edge<edges; edge+=step, b_idx+=8*step ) {
asm volatile(