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author | Loren Merritt <lorenm@u.washington.edu> | 2007-05-10 03:13:41 +0000 |
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committer | Loren Merritt <lorenm@u.washington.edu> | 2007-05-10 03:13:41 +0000 |
commit | 7c3a9fe2a3759577a6a4f24e8fd0b2e857dc14b8 (patch) | |
tree | 8fe1313b99b322866cc6c95c0061b1841168a2bf /libavcodec/i386 | |
parent | a4461664cdabcf3abcd3ca9b06a61393337a9187 (diff) | |
download | ffmpeg-7c3a9fe2a3759577a6a4f24e8fd0b2e857dc14b8.tar.gz |
sse2 version of fdct_col.
k8: 72->61 cycles, core2: 51->26 cycles.
Originally committed as revision 8966 to svn://svn.ffmpeg.org/ffmpeg/trunk
Diffstat (limited to 'libavcodec/i386')
-rw-r--r-- | libavcodec/i386/fdct_mmx.c | 186 |
1 files changed, 94 insertions, 92 deletions
diff --git a/libavcodec/i386/fdct_mmx.c b/libavcodec/i386/fdct_mmx.c index 7e2682a4af..69e75b23cf 100644 --- a/libavcodec/i386/fdct_mmx.c +++ b/libavcodec/i386/fdct_mmx.c @@ -52,18 +52,20 @@ #define RND_FRW_ROW (1 << (SHIFT_FRW_ROW-1)) //#define RND_FRW_COL (1 << (SHIFT_FRW_COL-1)) +#define X8(x) x,x,x,x,x,x,x,x + //concatenated table, for forward DCT transformation -static const int16_t fdct_tg_all_16[] ATTR_ALIGN(8) = { - 13036, 13036, 13036, 13036, // tg * (2<<16) + 0.5 - 27146, 27146, 27146, 27146, // tg * (2<<16) + 0.5 - -21746, -21746, -21746, -21746, // tg * (2<<16) + 0.5 +static const int16_t fdct_tg_all_16[24] ATTR_ALIGN(16) = { + X8(13036), // tg * (2<<16) + 0.5 + X8(27146), // tg * (2<<16) + 0.5 + X8(-21746) // tg * (2<<16) + 0.5 }; -static const int16_t ocos_4_16[4] ATTR_ALIGN(8) = { - 23170, 23170, 23170, 23170, //cos * (2<<15) + 0.5 +static const int16_t ocos_4_16[8] ATTR_ALIGN(16) = { + X8(23170) //cos * (2<<15) + 0.5 }; -static const int64_t fdct_one_corr ATTR_ALIGN(8) = 0x0001000100010001LL; +static const int16_t fdct_one_corr[8] ATTR_ALIGN(16) = { X8(1) }; static const int32_t fdct_r_row[2] ATTR_ALIGN(8) = {RND_FRW_ROW, RND_FRW_ROW }; @@ -283,86 +285,88 @@ TABLE_SSE2 TABLE_SSE2 }}; - -static av_always_inline void fdct_col(const int16_t *in, int16_t *out, int offset) -{ - movq_m2r(*(in + offset + 1 * 8), mm0); - movq_m2r(*(in + offset + 6 * 8), mm1); - movq_r2r(mm0, mm2); - movq_m2r(*(in + offset + 2 * 8), mm3); - paddsw_r2r(mm1, mm0); - movq_m2r(*(in + offset + 5 * 8), mm4); - psllw_i2r(SHIFT_FRW_COL, mm0); - movq_m2r(*(in + offset + 0 * 8), mm5); - paddsw_r2r(mm3, mm4); - paddsw_m2r(*(in + offset + 7 * 8), mm5); - psllw_i2r(SHIFT_FRW_COL, mm4); - movq_r2r(mm0, mm6); - psubsw_r2r(mm1, mm2); - movq_m2r(*(fdct_tg_all_16 + 4), mm1); - psubsw_r2r(mm4, mm0); - movq_m2r(*(in + offset + 3 * 8), mm7); - pmulhw_r2r(mm0, mm1); - paddsw_m2r(*(in + offset + 4 * 8), mm7); - psllw_i2r(SHIFT_FRW_COL, mm5); - paddsw_r2r(mm4, mm6); - psllw_i2r(SHIFT_FRW_COL, mm7); - movq_r2r(mm5, mm4); - psubsw_r2r(mm7, mm5); - paddsw_r2r(mm5, mm1); - paddsw_r2r(mm7, mm4); - por_m2r(fdct_one_corr, mm1); - psllw_i2r(SHIFT_FRW_COL + 1, mm2); - pmulhw_m2r(*(fdct_tg_all_16 + 4), mm5); - movq_r2r(mm4, mm7); - psubsw_m2r(*(in + offset + 5 * 8), mm3); - psubsw_r2r(mm6, mm4); - movq_r2m(mm1, *(out + offset + 2 * 8)); - paddsw_r2r(mm6, mm7); - movq_m2r(*(in + offset + 3 * 8), mm1); - psllw_i2r(SHIFT_FRW_COL + 1, mm3); - psubsw_m2r(*(in + offset + 4 * 8), mm1); - movq_r2r(mm2, mm6); - movq_r2m(mm4, *(out + offset + 4 * 8)); - paddsw_r2r(mm3, mm2); - pmulhw_m2r(*ocos_4_16, mm2); - psubsw_r2r(mm3, mm6); - pmulhw_m2r(*ocos_4_16, mm6); - psubsw_r2r(mm0, mm5); - por_m2r(fdct_one_corr, mm5); - psllw_i2r(SHIFT_FRW_COL, mm1); - por_m2r(fdct_one_corr, mm2); - movq_r2r(mm1, mm4); - movq_m2r(*(in + offset + 0 * 8), mm3); - paddsw_r2r(mm6, mm1); - psubsw_m2r(*(in + offset + 7 * 8), mm3); - psubsw_r2r(mm6, mm4); - movq_m2r(*(fdct_tg_all_16 + 0), mm0); - psllw_i2r(SHIFT_FRW_COL, mm3); - movq_m2r(*(fdct_tg_all_16 + 8), mm6); - pmulhw_r2r(mm1, mm0); - movq_r2m(mm7, *(out + offset + 0 * 8)); - pmulhw_r2r(mm4, mm6); - movq_r2m(mm5, *(out + offset + 6 * 8)); - movq_r2r(mm3, mm7); - movq_m2r(*(fdct_tg_all_16 + 8), mm5); - psubsw_r2r(mm2, mm7); - paddsw_r2r(mm2, mm3); - pmulhw_r2r(mm7, mm5); - paddsw_r2r(mm3, mm0); - paddsw_r2r(mm4, mm6); - pmulhw_m2r(*(fdct_tg_all_16 + 0), mm3); - por_m2r(fdct_one_corr, mm0); - paddsw_r2r(mm7, mm5); - psubsw_r2r(mm6, mm7); - movq_r2m(mm0, *(out + offset + 1 * 8)); - paddsw_r2r(mm4, mm5); - movq_r2m(mm7, *(out + offset + 3 * 8)); - psubsw_r2r(mm1, mm3); - movq_r2m(mm5, *(out + offset + 5 * 8)); - movq_r2m(mm3, *(out + offset + 7 * 8)); +#define FDCT_COL(cpu, mm, mov)\ +static av_always_inline void fdct_col_##cpu(const int16_t *in, int16_t *out, int offset)\ +{\ + mov##_m2r(*(in + offset + 1 * 8), mm##0);\ + mov##_m2r(*(in + offset + 6 * 8), mm##1);\ + mov##_r2r(mm##0, mm##2);\ + mov##_m2r(*(in + offset + 2 * 8), mm##3);\ + paddsw_r2r(mm##1, mm##0);\ + mov##_m2r(*(in + offset + 5 * 8), mm##4);\ + psllw_i2r(SHIFT_FRW_COL, mm##0);\ + mov##_m2r(*(in + offset + 0 * 8), mm##5);\ + paddsw_r2r(mm##3, mm##4);\ + paddsw_m2r(*(in + offset + 7 * 8), mm##5);\ + psllw_i2r(SHIFT_FRW_COL, mm##4);\ + mov##_r2r(mm##0, mm##6);\ + psubsw_r2r(mm##1, mm##2);\ + mov##_m2r(*(fdct_tg_all_16 + 8), mm##1);\ + psubsw_r2r(mm##4, mm##0);\ + mov##_m2r(*(in + offset + 3 * 8), mm##7);\ + pmulhw_r2r(mm##0, mm##1);\ + paddsw_m2r(*(in + offset + 4 * 8), mm##7);\ + psllw_i2r(SHIFT_FRW_COL, mm##5);\ + paddsw_r2r(mm##4, mm##6);\ + psllw_i2r(SHIFT_FRW_COL, mm##7);\ + mov##_r2r(mm##5, mm##4);\ + psubsw_r2r(mm##7, mm##5);\ + paddsw_r2r(mm##5, mm##1);\ + paddsw_r2r(mm##7, mm##4);\ + por_m2r(*fdct_one_corr, mm##1);\ + psllw_i2r(SHIFT_FRW_COL + 1, mm##2);\ + pmulhw_m2r(*(fdct_tg_all_16 + 8), mm##5);\ + mov##_r2r(mm##4, mm##7);\ + psubsw_m2r(*(in + offset + 5 * 8), mm##3);\ + psubsw_r2r(mm##6, mm##4);\ + mov##_r2m(mm##1, *(out + offset + 2 * 8));\ + paddsw_r2r(mm##6, mm##7);\ + mov##_m2r(*(in + offset + 3 * 8), mm##1);\ + psllw_i2r(SHIFT_FRW_COL + 1, mm##3);\ + psubsw_m2r(*(in + offset + 4 * 8), mm##1);\ + mov##_r2r(mm##2, mm##6);\ + mov##_r2m(mm##4, *(out + offset + 4 * 8));\ + paddsw_r2r(mm##3, mm##2);\ + pmulhw_m2r(*ocos_4_16, mm##2);\ + psubsw_r2r(mm##3, mm##6);\ + pmulhw_m2r(*ocos_4_16, mm##6);\ + psubsw_r2r(mm##0, mm##5);\ + por_m2r(*fdct_one_corr, mm##5);\ + psllw_i2r(SHIFT_FRW_COL, mm##1);\ + por_m2r(*fdct_one_corr, mm##2);\ + mov##_r2r(mm##1, mm##4);\ + mov##_m2r(*(in + offset + 0 * 8), mm##3);\ + paddsw_r2r(mm##6, mm##1);\ + psubsw_m2r(*(in + offset + 7 * 8), mm##3);\ + psubsw_r2r(mm##6, mm##4);\ + mov##_m2r(*(fdct_tg_all_16 + 0), mm##0);\ + psllw_i2r(SHIFT_FRW_COL, mm##3);\ + mov##_m2r(*(fdct_tg_all_16 + 16), mm##6);\ + pmulhw_r2r(mm##1, mm##0);\ + mov##_r2m(mm##7, *(out + offset + 0 * 8));\ + pmulhw_r2r(mm##4, mm##6);\ + mov##_r2m(mm##5, *(out + offset + 6 * 8));\ + mov##_r2r(mm##3, mm##7);\ + mov##_m2r(*(fdct_tg_all_16 + 16), mm##5);\ + psubsw_r2r(mm##2, mm##7);\ + paddsw_r2r(mm##2, mm##3);\ + pmulhw_r2r(mm##7, mm##5);\ + paddsw_r2r(mm##3, mm##0);\ + paddsw_r2r(mm##4, mm##6);\ + pmulhw_m2r(*(fdct_tg_all_16 + 0), mm##3);\ + por_m2r(*fdct_one_corr, mm##0);\ + paddsw_r2r(mm##7, mm##5);\ + psubsw_r2r(mm##6, mm##7);\ + mov##_r2m(mm##0, *(out + offset + 1 * 8));\ + paddsw_r2r(mm##4, mm##5);\ + mov##_r2m(mm##7, *(out + offset + 3 * 8));\ + psubsw_r2r(mm##1, mm##3);\ + mov##_r2m(mm##5, *(out + offset + 5 * 8));\ + mov##_r2m(mm##3, *(out + offset + 7 * 8));\ } +FDCT_COL(mmx, mm, movq) +FDCT_COL(sse2, xmm, movdqa) static av_always_inline void fdct_row_sse2(const int16_t *in, int16_t *out) { @@ -524,8 +528,8 @@ void ff_fdct_mmx(int16_t *block) const int16_t *table= tab_frw_01234567; int i; - fdct_col(block, block1, 0); - fdct_col(block, block1, 4); + fdct_col_mmx(block, block1, 0); + fdct_col_mmx(block, block1, 4); for(i=8;i>0;i--) { fdct_row_mmx(block1, block, table); @@ -542,8 +546,8 @@ void ff_fdct_mmx2(int16_t *block) const int16_t *table= tab_frw_01234567; int i; - fdct_col(block, block1, 0); - fdct_col(block, block1, 4); + fdct_col_mmx(block, block1, 0); + fdct_col_mmx(block, block1, 4); for(i=8;i>0;i--) { fdct_row_mmx2(block1, block, table); @@ -558,9 +562,7 @@ void ff_fdct_sse2(int16_t *block) int64_t align_tmp[16] ATTR_ALIGN(16); int16_t * const block1= (int16_t*)align_tmp; - fdct_col(block, block1, 0); - fdct_col(block, block1, 4); - + fdct_col_sse2(block, block1, 0); fdct_row_sse2(block1, block); } |