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Diffstat (limited to 'src/libffmpeg/libavcodec/i386/fdct_mmx.c')
-rw-r--r--src/libffmpeg/libavcodec/i386/fdct_mmx.c501
1 files changed, 380 insertions, 121 deletions
diff --git a/src/libffmpeg/libavcodec/i386/fdct_mmx.c b/src/libffmpeg/libavcodec/i386/fdct_mmx.c
index a2402c95d..877160773 100644
--- a/src/libffmpeg/libavcodec/i386/fdct_mmx.c
+++ b/src/libffmpeg/libavcodec/i386/fdct_mmx.c
@@ -1,16 +1,21 @@
/*
* MMX optimized forward DCT
* The gcc porting is Copyright (c) 2001 Fabrice Bellard.
+ * cleanup/optimizations are Copyright (c) 2002-2004 Michael Niedermayer <michaelni@gmx.at>
+ * SSE2 optimization is Copyright (c) 2004 Denes Balatoni.
*
* from fdctam32.c - AP922 MMX(3D-Now) forward-DCT
*
* Intel Application Note AP-922 - fast, precise implementation of DCT
* http://developer.intel.com/vtune/cbts/appnotes.htm
+ *
+ * Also of inspiration:
+ * a page about fdct at http://www.geocities.com/ssavekar/dct.htm
+ * Skal's fdct at http://skal.planet-d.net/coding/dct.html
*/
-#include "../dsputil.h"
+#include "../common.h"
#include "mmx.h"
-#undef ATTR_ALIGN
#define ATTR_ALIGN(align) __attribute__ ((__aligned__ (align)))
//////////////////////////////////////////////////////////////////////
@@ -27,10 +32,8 @@
#define BITS_FRW_ACC 3 //; 2 or 3 for accuracy
#define SHIFT_FRW_COL BITS_FRW_ACC
#define SHIFT_FRW_ROW (BITS_FRW_ACC + 17 - 3)
-//#define RND_FRW_ROW (262144 * (BITS_FRW_ACC - 1)) //; 1 << (SHIFT_FRW_ROW-1)
#define RND_FRW_ROW (1 << (SHIFT_FRW_ROW-1))
-//#define RND_FRW_COL (2 * (BITS_FRW_ACC - 1)) //; 1 << (SHIFT_FRW_COL-1)
-#define RND_FRW_COL (1 << (SHIFT_FRW_COL-1))
+//#define RND_FRW_COL (1 << (SHIFT_FRW_COL-1))
//concatenated table, for forward DCT transformation
static const int16_t fdct_tg_all_16[] ATTR_ALIGN(8) = {
@@ -38,101 +41,220 @@ static const int16_t fdct_tg_all_16[] ATTR_ALIGN(8) = {
27146, 27146, 27146, 27146, // tg * (2<<16) + 0.5
-21746, -21746, -21746, -21746, // tg * (2<<16) + 0.5
};
-static const int16_t cos_4_16[4] ATTR_ALIGN(8) = {
- -19195, -19195, -19195, -19195, //cos * (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 long long fdct_one_corr ATTR_ALIGN(8) = 0x0001000100010001LL;
+static const long long fdct_one_corr ATTR_ALIGN(8) = 0x0001000100010001LL;
+
static const long fdct_r_row[2] ATTR_ALIGN(8) = {RND_FRW_ROW, RND_FRW_ROW };
+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
- //row0
- 16384, 16384, 21407, -8867, // w09 w01 w08 w00
- 16384, 16384, 8867, -21407, // w13 w05 w12 w04
- 16384, -16384, 8867, 21407, // w11 w03 w10 w02
- -16384, 16384, -21407, -8867, // w15 w07 w14 w06
- 22725, 12873, 19266, -22725, // w22 w20 w18 w16
- 19266, 4520, -4520, -12873, // w23 w21 w19 w17
- 12873, 4520, 4520, 19266, // w30 w28 w26 w24
- -22725, 19266, -12873, -22725, // w31 w29 w27 w25
-
- //row1
- 22725, 22725, 29692, -12299, // w09 w01 w08 w00
- 22725, 22725, 12299, -29692, // w13 w05 w12 w04
- 22725, -22725, 12299, 29692, // w11 w03 w10 w02
- -22725, 22725, -29692, -12299, // w15 w07 w14 w06
- 31521, 17855, 26722, -31521, // w22 w20 w18 w16
- 26722, 6270, -6270, -17855, // w23 w21 w19 w17
- 17855, 6270, 6270, 26722, // w30 w28 w26 w24
- -31521, 26722, -17855, -31521, // w31 w29 w27 w25
-
- //row2
- 21407, 21407, 27969, -11585, // w09 w01 w08 w00
- 21407, 21407, 11585, -27969, // w13 w05 w12 w04
- 21407, -21407, 11585, 27969, // w11 w03 w10 w02
- -21407, 21407, -27969, -11585, // w15 w07 w14 w06
- 29692, 16819, 25172, -29692, // w22 w20 w18 w16
- 25172, 5906, -5906, -16819, // w23 w21 w19 w17
- 16819, 5906, 5906, 25172, // w30 w28 w26 w24
- -29692, 25172, -16819, -29692, // w31 w29 w27 w25
-
- //row3
- 19266, 19266, 25172, -10426, // w09 w01 w08 w00
- 19266, 19266, 10426, -25172, // w13 w05 w12 w04
- 19266, -19266, 10426, 25172, // w11 w03 w10 w02
- -19266, 19266, -25172, -10426, // w15 w07 w14 w06,
- 26722, 15137, 22654, -26722, // w22 w20 w18 w16
- 22654, 5315, -5315, -15137, // w23 w21 w19 w17
- 15137, 5315, 5315, 22654, // w30 w28 w26 w24
- -26722, 22654, -15137, -26722, // w31 w29 w27 w25,
-
- //row4
- 16384, 16384, 21407, -8867, // w09 w01 w08 w00
- 16384, 16384, 8867, -21407, // w13 w05 w12 w04
- 16384, -16384, 8867, 21407, // w11 w03 w10 w02
- -16384, 16384, -21407, -8867, // w15 w07 w14 w06
- 22725, 12873, 19266, -22725, // w22 w20 w18 w16
- 19266, 4520, -4520, -12873, // w23 w21 w19 w17
- 12873, 4520, 4520, 19266, // w30 w28 w26 w24
- -22725, 19266, -12873, -22725, // w31 w29 w27 w25
-
- //row5
- 19266, 19266, 25172, -10426, // w09 w01 w08 w00
- 19266, 19266, 10426, -25172, // w13 w05 w12 w04
- 19266, -19266, 10426, 25172, // w11 w03 w10 w02
- -19266, 19266, -25172, -10426, // w15 w07 w14 w06
- 26722, 15137, 22654, -26722, // w22 w20 w18 w16
- 22654, 5315, -5315, -15137, // w23 w21 w19 w17
- 15137, 5315, 5315, 22654, // w30 w28 w26 w24
- -26722, 22654, -15137, -26722, // w31 w29 w27 w25
-
- //row6
- 21407, 21407, 27969, -11585, // w09 w01 w08 w00
- 21407, 21407, 11585, -27969, // w13 w05 w12 w04
- 21407, -21407, 11585, 27969, // w11 w03 w10 w02
- -21407, 21407, -27969, -11585, // w15 w07 w14 w06,
- 29692, 16819, 25172, -29692, // w22 w20 w18 w16
- 25172, 5906, -5906, -16819, // w23 w21 w19 w17
- 16819, 5906, 5906, 25172, // w30 w28 w26 w24
- -29692, 25172, -16819, -29692, // w31 w29 w27 w25,
-
- //row7
- 22725, 22725, 29692, -12299, // w09 w01 w08 w00
- 22725, 22725, 12299, -29692, // w13 w05 w12 w04
- 22725, -22725, 12299, 29692, // w11 w03 w10 w02
- -22725, 22725, -29692, -12299, // w15 w07 w14 w06,
- 31521, 17855, 26722, -31521, // w22 w20 w18 w16
- 26722, 6270, -6270, -17855, // w23 w21 w19 w17
- 17855, 6270, 6270, 26722, // w30 w28 w26 w24
- -31521, 26722, -17855, -31521 // w31 w29 w27 w25
+ 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,
};
+static const int16_t tab_frw_01234567_sse2[] ATTR_ALIGN(16) = { // forward_dct coeff table
+#define TABLE_SSE2 C4, C4, C1, C3, -C6, -C2, -C1, -C5, \
+ C4, C4, C5, C7, C2, C6, C3, -C7, \
+ -C4, C4, C7, C3, C6, -C2, C7, -C5, \
+ C4, -C4, C5, -C1, C2, -C6, C3, -C1,
+// c1..c7 * cos(pi/4) * 2^15
+#define C1 22725
+#define C2 21407
+#define C3 19266
+#define C4 16384
+#define C5 12873
+#define C6 8867
+#define C7 4520
+TABLE_SSE2
+
+#undef C1
+#undef C2
+#undef C3
+#undef C4
+#undef C5
+#undef C6
+#undef C7
+#define C1 31521
+#define C2 29692
+#define C3 26722
+#define C4 22725
+#define C5 17855
+#define C6 12299
+#define C7 6270
+TABLE_SSE2
+
+#undef C1
+#undef C2
+#undef C3
+#undef C4
+#undef C5
+#undef C6
+#undef C7
+#define C1 29692
+#define C2 27969
+#define C3 25172
+#define C4 21407
+#define C5 16819
+#define C6 11585
+#define C7 5906
+TABLE_SSE2
+
+#undef C1
+#undef C2
+#undef C3
+#undef C4
+#undef C5
+#undef C6
+#undef C7
+#define C1 26722
+#define C2 25172
+#define C3 22654
+#define C4 19266
+#define C5 15137
+#define C6 10426
+#define C7 5315
+TABLE_SSE2
+
+#undef C1
+#undef C2
+#undef C3
+#undef C4
+#undef C5
+#undef C6
+#undef C7
+#define C1 22725
+#define C2 21407
+#define C3 19266
+#define C4 16384
+#define C5 12873
+#define C6 8867
+#define C7 4520
+TABLE_SSE2
-static inline void fdct_col(const int16_t *in, int16_t *out, int offset)
+#undef C1
+#undef C2
+#undef C3
+#undef C4
+#undef C5
+#undef C6
+#undef C7
+#define C1 26722
+#define C2 25172
+#define C3 22654
+#define C4 19266
+#define C5 15137
+#define C6 10426
+#define C7 5315
+TABLE_SSE2
+
+#undef C1
+#undef C2
+#undef C3
+#undef C4
+#undef C5
+#undef C6
+#undef C7
+#define C1 29692
+#define C2 27969
+#define C3 25172
+#define C4 21407
+#define C5 16819
+#define C6 11585
+#define C7 5906
+TABLE_SSE2
+
+#undef C1
+#undef C2
+#undef C3
+#undef C4
+#undef C5
+#undef C6
+#undef C7
+#define C1 31521
+#define C2 29692
+#define C3 26722
+#define C4 22725
+#define C5 17855
+#define C6 12299
+#define C7 6270
+TABLE_SSE2
+};
+
+static 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);
@@ -211,59 +333,158 @@ static inline void fdct_col(const int16_t *in, int16_t *out, int offset)
movq_r2m(mm3, *(out + offset + 7 * 8));
}
-static inline void fdct_row(const int16_t *in, int16_t *out, const int16_t *table)
+
+static always_inline void fdct_row_sse2(const int16_t *in, int16_t *out)
{
- movd_m2r(*(in + 6), mm5);
- punpcklwd_m2r(*(in + 4), mm5);
- movq_r2r(mm5, mm2);
- psrlq_i2r(0x20, mm5);
+ asm volatile(
+ ".macro FDCT_ROW_SSE2_H1 i t \n\t"
+ "movq \\i(%0), %%xmm2 \n\t"
+ "movq \\i+8(%0), %%xmm0 \n\t"
+ "movdqa \\t+32(%1), %%xmm3 \n\t"
+ "movdqa \\t+48(%1), %%xmm7 \n\t"
+ "movdqa \\t(%1), %%xmm4 \n\t"
+ "movdqa \\t+16(%1), %%xmm5 \n\t"
+ ".endm \n\t"
+ ".macro FDCT_ROW_SSE2_H2 i t \n\t"
+ "movq \\i(%0), %%xmm2 \n\t"
+ "movq \\i+8(%0), %%xmm0 \n\t"
+ "movdqa \\t+32(%1), %%xmm3 \n\t"
+ "movdqa \\t+48(%1), %%xmm7 \n\t"
+ ".endm \n\t"
+ ".macro FDCT_ROW_SSE2 i \n\t"
+ "movq %%xmm2, %%xmm1 \n\t"
+ "pshuflw $27, %%xmm0, %%xmm0 \n\t"
+ "paddsw %%xmm0, %%xmm1 \n\t"
+ "psubsw %%xmm0, %%xmm2 \n\t"
+ "punpckldq %%xmm2, %%xmm1 \n\t"
+ "pshufd $78, %%xmm1, %%xmm2 \n\t"
+ "pmaddwd %%xmm2, %%xmm3 \n\t"
+ "pmaddwd %%xmm1, %%xmm7 \n\t"
+ "pmaddwd %%xmm5, %%xmm2 \n\t"
+ "pmaddwd %%xmm4, %%xmm1 \n\t"
+ "paddd %%xmm7, %%xmm3 \n\t"
+ "paddd %%xmm2, %%xmm1 \n\t"
+ "paddd %%xmm6, %%xmm3 \n\t"
+ "paddd %%xmm6, %%xmm1 \n\t"
+ "psrad %3, %%xmm3 \n\t"
+ "psrad %3, %%xmm1 \n\t"
+ "packssdw %%xmm3, %%xmm1 \n\t"
+ "movdqa %%xmm1, \\i(%4) \n\t"
+ ".endm \n\t"
+ "movdqa (%2), %%xmm6 \n\t"
+ "FDCT_ROW_SSE2_H1 0 0 \n\t"
+ "FDCT_ROW_SSE2 0 \n\t"
+ "FDCT_ROW_SSE2_H2 64 0 \n\t"
+ "FDCT_ROW_SSE2 64 \n\t"
+
+ "FDCT_ROW_SSE2_H1 16 64 \n\t"
+ "FDCT_ROW_SSE2 16 \n\t"
+ "FDCT_ROW_SSE2_H2 112 64 \n\t"
+ "FDCT_ROW_SSE2 112 \n\t"
+
+ "FDCT_ROW_SSE2_H1 32 128 \n\t"
+ "FDCT_ROW_SSE2 32 \n\t"
+ "FDCT_ROW_SSE2_H2 96 128 \n\t"
+ "FDCT_ROW_SSE2 96 \n\t"
+
+ "FDCT_ROW_SSE2_H1 48 192 \n\t"
+ "FDCT_ROW_SSE2 48 \n\t"
+ "FDCT_ROW_SSE2_H2 80 192 \n\t"
+ "FDCT_ROW_SSE2 80 \n\t"
+ :
+ : "r" (in), "r" (tab_frw_01234567_sse2), "r" (fdct_r_row_sse2), "i" (SHIFT_FRW_ROW), "r" (out)
+ );
+}
+
+static always_inline void fdct_row_mmx2(const int16_t *in, int16_t *out, const int16_t *table)
+{
+ pshufw_m2r(*(in + 4), mm5, 0x1B);
movq_m2r(*(in + 0), mm0);
- punpcklwd_r2r(mm2, mm5);
- movq_r2r(mm0, mm1);
+ movq_r2r(mm0, mm1);
paddsw_r2r(mm5, mm0);
psubsw_r2r(mm5, mm1);
- movq_r2r(mm0, mm2);
- punpcklwd_r2r(mm1, mm0);
- punpckhwd_r2r(mm1, mm2);
- movq_r2r(mm2, mm1);
- movq_r2r(mm0, mm2);
+ 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_m2r(*(table + 20), mm7);
+ 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);
+ 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));
+}
+
+static always_inline void fdct_row_mmx(const int16_t *in, int16_t *out, const int16_t *table)
+{
+ 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);
+ 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);
- punpcklwd_r2r(mm1, mm0);
- movq_r2r(mm0, mm5);
- punpckldq_r2r(mm0, mm0);
movq_m2r(*(table + 4), mm4);
- punpckhwd_r2r(mm1, mm2);
+ punpckldq_r2r(mm0, mm2);
pmaddwd_r2r(mm0, mm3);
- movq_r2r(mm2, mm6);
- movq_m2r(*(table + 16), mm1);
- punpckldq_r2r(mm2, mm2);
- pmaddwd_r2r(mm2, mm4);
- punpckhdq_r2r(mm5, mm5);
+ punpckhdq_r2r(mm2, mm1);
+ movq_m2r(*(table + 16), mm2);
+ pmaddwd_r2r(mm1, mm4);
pmaddwd_m2r(*(table + 8), mm0);
- punpckhdq_r2r(mm6, mm6);
movq_m2r(*(table + 20), mm7);
- pmaddwd_r2r(mm5, mm1);
+ pmaddwd_r2r(mm5, mm2);
paddd_m2r(*fdct_r_row, mm3);
pmaddwd_r2r(mm6, mm7);
- pmaddwd_m2r(*(table + 12), mm2);
+ pmaddwd_m2r(*(table + 12), mm1);
paddd_r2r(mm4, mm3);
pmaddwd_m2r(*(table + 24), mm5);
pmaddwd_m2r(*(table + 28), mm6);
- paddd_r2r(mm7, mm1);
+ paddd_r2r(mm7, mm2);
paddd_m2r(*fdct_r_row, mm0);
psrad_i2r(SHIFT_FRW_ROW, mm3);
- paddd_m2r(*fdct_r_row, mm1);
- paddd_r2r(mm2, mm0);
+ paddd_m2r(*fdct_r_row, mm2);
+ paddd_r2r(mm1, mm0);
paddd_m2r(*fdct_r_row, mm5);
- psrad_i2r(SHIFT_FRW_ROW, mm1);
+ 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, mm1);
+ packssdw_r2r(mm5, mm2);
movq_r2r(mm3, mm6);
- punpcklwd_r2r(mm1, mm3);
- punpckhwd_r2r(mm1, mm6);
+ punpcklwd_r2r(mm2, mm3);
+ punpckhwd_r2r(mm2, mm6);
movq_r2m(mm3, *(out + 0));
movq_r2m(mm6, *(out + 4));
}
@@ -284,9 +505,47 @@ void ff_fdct_mmx(int16_t *block)
table = tab_frw_01234567;
out = block;
for(i=8;i>0;i--) {
- fdct_row(block1, out, table);
+ fdct_row_mmx(block1, out, table);
+ block1 += 8;
+ table += 32;
+ out += 8;
+ }
+}
+
+void ff_fdct_mmx2(int16_t *block)
+{
+ int64_t align_tmp[16] ATTR_ALIGN(8);
+ int16_t * const block_tmp= (int16_t*)align_tmp;
+ int16_t *block1, *out;
+ const int16_t *table;
+ int i;
+
+ block1 = block_tmp;
+ fdct_col(block, block1, 0);
+ fdct_col(block, block1, 4);
+
+ block1 = block_tmp;
+ table = tab_frw_01234567;
+ out = block;
+ for(i=8;i>0;i--) {
+ fdct_row_mmx2(block1, out, table);
block1 += 8;
table += 32;
out += 8;
}
}
+
+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);
+ fdct_col(block, block1, 4);
+
+ fdct_row_sse2(block1, block);
+}
+
generated by cgit v1.2.3 (git 2.25.1) at 2025-04-27 14:27:09 +0000