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mmx dct optimization 

Originally committed as revision 3100 to svn://svn.ffmpeg.org/ffmpeg/trunk
tags/v0.5
Michael Niedermayer 21 years ago
parent
3116cb14d1
commit
77d0e165b1
1 changed files with 135 additions and 138 deletions
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  1. +135
    -138
      libavcodec/i386/fdct_mmx.c

+ 135
- 138
libavcodec/i386/fdct_mmx.c View File

@@ -60,77 +60,77 @@ struct
//static const long fdct_r_row_sse2[4] ATTR_ALIGN(16) = {RND_FRW_ROW, RND_FRW_ROW, RND_FRW_ROW, RND_FRW_ROW};

static const int16_t tab_frw_01234567[] ATTR_ALIGN(8) = { // forward_dct coeff table
16384, 16384, -8867, -21407,
16384, 16384, 21407, 8867,
16384, -16384, 21407, -8867,
-16384, 16384, 8867, -21407,
22725, 19266, -22725, -12873,
12873, 4520, 19266, -4520,
12873, -22725, 19266, -22725,
4520, 19266, 4520, -12873,
22725, 22725, -12299, -29692,
22725, 22725, 29692, 12299,
22725, -22725, 29692, -12299,
-22725, 22725, 12299, -29692,
31521, 26722, -31521, -17855,
17855, 6270, 26722, -6270,
17855, -31521, 26722, -31521,
6270, 26722, 6270, -17855,
21407, 21407, -11585, -27969,
21407, 21407, 27969, 11585,
21407, -21407, 27969, -11585,
-21407, 21407, 11585, -27969,
29692, 25172, -29692, -16819,
16819, 5906, 25172, -5906,
16819, -29692, 25172, -29692,
5906, 25172, 5906, -16819,
19266, 19266, -10426, -25172,
19266, 19266, 25172, 10426,
19266, -19266, 25172, -10426,
-19266, 19266, 10426, -25172,
26722, 22654, -26722, -15137,
15137, 5315, 22654, -5315,
15137, -26722, 22654, -26722,
5315, 22654, 5315, -15137,
16384, 16384, -8867, -21407,
16384, 16384, 21407, 8867,
16384, -16384, 21407, -8867,
-16384, 16384, 8867, -21407,
22725, 19266, -22725, -12873,
12873, 4520, 19266, -4520,
12873, -22725, 19266, -22725,
4520, 19266, 4520, -12873,
19266, 19266, -10426, -25172,
19266, 19266, 25172, 10426,
19266, -19266, 25172, -10426,
-19266, 19266, 10426, -25172,
26722, 22654, -26722, -15137,
15137, 5315, 22654, -5315,
15137, -26722, 22654, -26722,
5315, 22654, 5315, -15137,
21407, 21407, -11585, -27969,
21407, 21407, 27969, 11585,
21407, -21407, 27969, -11585,
-21407, 21407, 11585, -27969,
29692, 25172, -29692, -16819,
16819, 5906, 25172, -5906,
16819, -29692, 25172, -29692,
5906, 25172, 5906, -16819,
22725, 22725, -12299, -29692,
22725, 22725, 29692, 12299,
22725, -22725, 29692, -12299,
-22725, 22725, 12299, -29692,
31521, 26722, -31521, -17855,
17855, 6270, 26722, -6270,
17855, -31521, 26722, -31521,
6270, 26722, 6270, -17855,
16384, 16384, 22725, 19266,
16384, 16384, 12873, 4520,
21407, 8867, 19266, -4520,
-8867, -21407, -22725, -12873,
16384, -16384, 12873, -22725,
-16384, 16384, 4520, 19266,
8867, -21407, 4520, -12873,
21407, -8867, 19266, -22725,
22725, 22725, 31521, 26722,
22725, 22725, 17855, 6270,
29692, 12299, 26722, -6270,
-12299, -29692, -31521, -17855,
22725, -22725, 17855, -31521,
-22725, 22725, 6270, 26722,
12299, -29692, 6270, -17855,
29692, -12299, 26722, -31521,
21407, 21407, 29692, 25172,
21407, 21407, 16819, 5906,
27969, 11585, 25172, -5906,
-11585, -27969, -29692, -16819,
21407, -21407, 16819, -29692,
-21407, 21407, 5906, 25172,
11585, -27969, 5906, -16819,
27969, -11585, 25172, -29692,
19266, 19266, 26722, 22654,
19266, 19266, 15137, 5315,
25172, 10426, 22654, -5315,
-10426, -25172, -26722, -15137,
19266, -19266, 15137, -26722,
-19266, 19266, 5315, 22654,
10426, -25172, 5315, -15137,
25172, -10426, 22654, -26722,
16384, 16384, 22725, 19266,
16384, 16384, 12873, 4520,
21407, 8867, 19266, -4520,
-8867, -21407, -22725, -12873,
16384, -16384, 12873, -22725,
-16384, 16384, 4520, 19266,
8867, -21407, 4520, -12873,
21407, -8867, 19266, -22725,
19266, 19266, 26722, 22654,
19266, 19266, 15137, 5315,
25172, 10426, 22654, -5315,
-10426, -25172, -26722, -15137,
19266, -19266, 15137, -26722,
-19266, 19266, 5315, 22654,
10426, -25172, 5315, -15137,
25172, -10426, 22654, -26722,
21407, 21407, 29692, 25172,
21407, 21407, 16819, 5906,
27969, 11585, 25172, -5906,
-11585, -27969, -29692, -16819,
21407, -21407, 16819, -29692,
-21407, 21407, 5906, 25172,
11585, -27969, 5906, -16819,
27969, -11585, 25172, -29692,
22725, 22725, 31521, 26722,
22725, 22725, 17855, 6270,
29692, 12299, 26722, -6270,
-12299, -29692, -31521, -17855,
22725, -22725, 17855, -31521,
-22725, 22725, 6270, 26722,
12299, -29692, 6270, -17855,
29692, -12299, 26722, -31521,
};

struct
@@ -413,93 +413,91 @@ static always_inline void fdct_row_mmx2(const int16_t *in, int16_t *out, const i
{
pshufw_m2r(*(in + 4), mm5, 0x1B);
movq_m2r(*(in + 0), mm0);
movq_r2r(mm0, mm1);
movq_r2r(mm0, mm1);
paddsw_r2r(mm5, mm0);
psubsw_r2r(mm5, mm1);
pshufw_r2r(mm0, mm2, 0x4E);
pshufw_r2r(mm1, mm3, 0x4E);
movq_m2r(*(table + 0), mm4);
movq_m2r(*(table + 4), mm6);
movq_m2r(*(table + 16), mm5);
movq_r2r(mm0, mm2);
punpckldq_r2r(mm1, mm0);
punpckhdq_r2r(mm1, mm2);
movq_m2r(*(table + 0), mm1);
movq_m2r(*(table + 4), mm3);
movq_m2r(*(table + 8), mm4);
movq_m2r(*(table + 12), mm5);
movq_m2r(*(table + 16), mm6);
movq_m2r(*(table + 20), mm7);
pmaddwd_r2r(mm0, mm1);
pmaddwd_r2r(mm2, mm3);
pmaddwd_r2r(mm0, mm4);
pmaddwd_r2r(mm1, mm5);
pmaddwd_r2r(mm2, mm6);
pmaddwd_r2r(mm3, mm7);
pmaddwd_m2r(*(table + 8), mm0);
pmaddwd_m2r(*(table + 12), mm2);
pmaddwd_m2r(*(table + 24), mm1);
pmaddwd_m2r(*(table + 28), mm3);
paddd_r2r(mm6, mm4);
paddd_r2r(mm7, mm5);
paddd_r2r(mm2, mm0);
paddd_r2r(mm3, mm1);
movq_m2r(*fdct_r_row, mm7);
paddd_r2r(mm7, mm4);
paddd_r2r(mm7, mm5);
paddd_r2r(mm7, mm0);
paddd_r2r(mm7, mm1);
psrad_i2r(SHIFT_FRW_ROW, mm4);
pmaddwd_r2r(mm2, mm5);
pmaddwd_r2r(mm0, mm6);
pmaddwd_r2r(mm2, mm7);
pmaddwd_m2r(*(table + 24), mm0);
pmaddwd_m2r(*(table + 28), mm2);
paddd_r2r(mm1, mm3);
paddd_r2r(mm4, mm5);
paddd_r2r(mm6, mm7);
paddd_r2r(mm0, mm2);
movq_m2r(*fdct_r_row, mm0);
paddd_r2r(mm0, mm3);
paddd_r2r(mm0, mm5);
paddd_r2r(mm0, mm7);
paddd_r2r(mm0, mm2);
psrad_i2r(SHIFT_FRW_ROW, mm3);
psrad_i2r(SHIFT_FRW_ROW, mm5);
psrad_i2r(SHIFT_FRW_ROW, mm0);
psrad_i2r(SHIFT_FRW_ROW, mm1);
packssdw_r2r(mm0, mm4);
packssdw_r2r(mm1, mm5);
movq_r2r(mm4, mm2);
punpcklwd_r2r(mm5, mm4);
punpckhwd_r2r(mm5, mm2);
movq_r2m(mm4, *(out + 0));
movq_r2m(mm2, *(out + 4));
psrad_i2r(SHIFT_FRW_ROW, mm7);
psrad_i2r(SHIFT_FRW_ROW, mm2);
packssdw_r2r(mm5, mm3);
packssdw_r2r(mm2, mm7);
movq_r2m(mm3, *(out + 0));
movq_r2m(mm7, *(out + 4));
}

static always_inline void fdct_row_mmx(const int16_t *in, int16_t *out, const int16_t *table)
{
//FIXME reorder (i dont have a old mmx only cpu here to benchmark ...)
movd_m2r(*(in + 6), mm1);
punpcklwd_m2r(*(in + 4), mm1);
movq_r2r(mm1, mm2);
psrlq_i2r(0x20, mm1);
movq_m2r(*(in + 0), mm0);
punpcklwd_r2r(mm2, mm1);
movq_r2r(mm0, mm5);
movq_r2r(mm0, mm5);
paddsw_r2r(mm1, mm0);
psubsw_r2r(mm1, mm5);
movq_r2r(mm0, mm1);
movq_r2r(mm5, mm6);
punpckldq_r2r(mm5, mm3);
punpckhdq_r2r(mm3, mm6);
movq_m2r(*(table + 0), mm3);
movq_m2r(*(table + 4), mm4);
punpckldq_r2r(mm0, mm2);
pmaddwd_r2r(mm0, mm3);
punpckhdq_r2r(mm2, mm1);
movq_m2r(*(table + 16), mm2);
pmaddwd_r2r(mm1, mm4);
pmaddwd_m2r(*(table + 8), mm0);
movq_r2r(mm0, mm2);
punpckldq_r2r(mm5, mm0);
punpckhdq_r2r(mm5, mm2);
movq_m2r(*(table + 0), mm1);
movq_m2r(*(table + 4), mm3);
movq_m2r(*(table + 8), mm4);
movq_m2r(*(table + 12), mm5);
movq_m2r(*(table + 16), mm6);
movq_m2r(*(table + 20), mm7);
pmaddwd_r2r(mm5, mm2);
paddd_m2r(*fdct_r_row, mm3);
pmaddwd_r2r(mm6, mm7);
pmaddwd_m2r(*(table + 12), mm1);
paddd_r2r(mm4, mm3);
pmaddwd_m2r(*(table + 24), mm5);
pmaddwd_m2r(*(table + 28), mm6);
paddd_r2r(mm7, mm2);
paddd_m2r(*fdct_r_row, mm0);
pmaddwd_r2r(mm0, mm1);
pmaddwd_r2r(mm2, mm3);
pmaddwd_r2r(mm0, mm4);
pmaddwd_r2r(mm2, mm5);
pmaddwd_r2r(mm0, mm6);
pmaddwd_r2r(mm2, mm7);
pmaddwd_m2r(*(table + 24), mm0);
pmaddwd_m2r(*(table + 28), mm2);
paddd_r2r(mm1, mm3);
paddd_r2r(mm4, mm5);
paddd_r2r(mm6, mm7);
paddd_r2r(mm0, mm2);
movq_m2r(*fdct_r_row, mm0);
paddd_r2r(mm0, mm3);
paddd_r2r(mm0, mm5);
paddd_r2r(mm0, mm7);
paddd_r2r(mm0, mm2);
psrad_i2r(SHIFT_FRW_ROW, mm3);
paddd_m2r(*fdct_r_row, mm2);
paddd_r2r(mm1, mm0);
paddd_m2r(*fdct_r_row, mm5);
psrad_i2r(SHIFT_FRW_ROW, mm2);
paddd_r2r(mm6, mm5);
psrad_i2r(SHIFT_FRW_ROW, mm0);
psrad_i2r(SHIFT_FRW_ROW, mm5);
packssdw_r2r(mm0, mm3);
packssdw_r2r(mm5, mm2);
movq_r2r(mm3, mm6);
punpcklwd_r2r(mm2, mm3);
punpckhwd_r2r(mm2, mm6);
psrad_i2r(SHIFT_FRW_ROW, mm7);
psrad_i2r(SHIFT_FRW_ROW, mm2);
packssdw_r2r(mm5, mm3);
packssdw_r2r(mm2, mm7);
movq_r2m(mm3, *(out + 0));
movq_r2m(mm6, *(out + 4));
movq_r2m(mm7, *(out + 4));
}

void ff_fdct_mmx(int16_t *block)
@@ -553,7 +551,6 @@ void ff_fdct_sse2(int16_t *block)
int64_t align_tmp[16] ATTR_ALIGN(8);
int16_t * const block_tmp= (int16_t*)align_tmp;
int16_t *block1;
int i;

block1 = block_tmp;
fdct_col(block, block1, 0);


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