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-rw-r--r--gst-libs/gst/idct/mmx32idct.c572
1 files changed, 287 insertions, 285 deletions
diff --git a/gst-libs/gst/idct/mmx32idct.c b/gst-libs/gst/idct/mmx32idct.c
index cd191f0c..d5bbbdb9 100644
--- a/gst-libs/gst/idct/mmx32idct.c
+++ b/gst-libs/gst/idct/mmx32idct.c
@@ -117,15 +117,15 @@ qword ptr equ mword ptr */
#endif
#include <mmx.h>
-#define BITS_INV_ACC 4 /*; 4 or 5 for IEEE */
+#define BITS_INV_ACC 4 /*; 4 or 5 for IEEE */
/* 5 yields higher accuracy, but lessens dynamic range on the input matrix */
#define SHIFT_INV_ROW (16 - BITS_INV_ACC)
-#define SHIFT_INV_COL (1 + BITS_INV_ACC +14 ) /* changed from Intel's val) */
+#define SHIFT_INV_COL (1 + BITS_INV_ACC +14 ) /* changed from Intel's val) */
/*#define SHIFT_INV_COL (1 + BITS_INV_ACC ) */
#define RND_INV_ROW (1 << (SHIFT_INV_ROW-1))
#define RND_INV_COL (1 << (SHIFT_INV_COL-1))
-#define RND_INV_CORR (RND_INV_COL - 1) /*; correction -1.0 and round */
+#define RND_INV_CORR (RND_INV_COL - 1) /*; correction -1.0 and round */
/*#define RND_INV_ROW (1024 * (6 - BITS_INV_ACC)) //; 1 << (SHIFT_INV_ROW-1) */
/*#define RND_INV_COL (16 * (BITS_INV_ACC - 3)) //; 1 << (SHIFT_INV_COL-1) */
@@ -158,12 +158,12 @@ const static long r_inv_row[2] = { RND_INV_ROW, RND_INV_ROW };
/*const static short ocos_4_16[4] = {23170, 23170, 23170, 23170 }; //cos * (2<<15) + 0.5 */
/*concatenated table, for forward DCT transformation */
-const static short tg_all_16[] = { 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 */
- -19195, -19195, -19195, -19195, /*cos * (2<<16) + 0.5 */
+const static short tg_all_16[] = { 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 */
+ -19195, -19195, -19195, -19195, /*cos * (2<<16) + 0.5 */
23170, 23170, 23170, 23170
-}; /*cos * (2<<15) + 0.5 */
+}; /*cos * (2<<15) + 0.5 */
#define tg_1_16 (tg_all_16 + 0)
@@ -233,51 +233,51 @@ IF _MMX ; MMX code
;=============================================================================
/*; Table for rows 0,4 - constants are multiplied by cos_4_16 */
-const short tab_i_04[] = { 16384, 16384, 16384, -16384, /* ; movq-> w06 w04 w02 w00 */
- 21407, 8867, 8867, -21407, /* w07 w05 w03 w01 */
- 16384, -16384, 16384, 16384, /*; w14 w12 w10 w08 */
- -8867, 21407, -21407, -8867, /*; w15 w13 w11 w09 */
- 22725, 12873, 19266, -22725, /*; w22 w20 w18 w16 */
- 19266, 4520, -4520, -12873, /*; w23 w21 w19 w17 */
- 12873, 4520, 4520, 19266, /*; w30 w28 w26 w24 */
+const short tab_i_04[] = { 16384, 16384, 16384, -16384, /* ; movq-> w06 w04 w02 w00 */
+ 21407, 8867, 8867, -21407, /* w07 w05 w03 w01 */
+ 16384, -16384, 16384, 16384, /*; w14 w12 w10 w08 */
+ -8867, 21407, -21407, -8867, /*; w15 w13 w11 w09 */
+ 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 */
+}; /*w31 w29 w27 w25 */
/*; Table for rows 1,7 - constants are multiplied by cos_1_16 */
-const short tab_i_17[] = { 22725, 22725, 22725, -22725, /* ; movq-> w06 w04 w02 w00 */
- 29692, 12299, 12299, -29692, /* ; w07 w05 w03 w01 */
- 22725, -22725, 22725, 22725, /*; w14 w12 w10 w08 */
- -12299, 29692, -29692, -12299, /*; w15 w13 w11 w09 */
- 31521, 17855, 26722, -31521, /*; w22 w20 w18 w16 */
- 26722, 6270, -6270, -17855, /*; w23 w21 w19 w17 */
- 17855, 6270, 6270, 26722, /*; w30 w28 w26 w24 */
+const short tab_i_17[] = { 22725, 22725, 22725, -22725, /* ; movq-> w06 w04 w02 w00 */
+ 29692, 12299, 12299, -29692, /* ; w07 w05 w03 w01 */
+ 22725, -22725, 22725, 22725, /*; w14 w12 w10 w08 */
+ -12299, 29692, -29692, -12299, /*; w15 w13 w11 w09 */
+ 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 */
+}; /* w31 w29 w27 w25 */
/*; Table for rows 2,6 - constants are multiplied by cos_2_16 */
-const short tab_i_26[] = { 21407, 21407, 21407, -21407, /* ; movq-> w06 w04 w02 w00 */
- 27969, 11585, 11585, -27969, /* ; w07 w05 w03 w01 */
- 21407, -21407, 21407, 21407, /* ; w14 w12 w10 w08 */
- -11585, 27969, -27969, -11585, /* ;w15 w13 w11 w09 */
- 29692, 16819, 25172, -29692, /* ;w22 w20 w18 w16 */
- 25172, 5906, -5906, -16819, /* ;w23 w21 w19 w17 */
- 16819, 5906, 5906, 25172, /* ;w30 w28 w26 w24 */
+const short tab_i_26[] = { 21407, 21407, 21407, -21407, /* ; movq-> w06 w04 w02 w00 */
+ 27969, 11585, 11585, -27969, /* ; w07 w05 w03 w01 */
+ 21407, -21407, 21407, 21407, /* ; w14 w12 w10 w08 */
+ -11585, 27969, -27969, -11585, /* ;w15 w13 w11 w09 */
+ 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 */
+}; /* ;w31 w29 w27 w25 */
/*; Table for rows 3,5 - constants are multiplied by cos_3_16 */
-const short tab_i_35[] = { 19266, 19266, 19266, -19266, /*; movq-> w06 w04 w02 w00 */
- 25172, 10426, 10426, -25172, /*; w07 w05 w03 w01 */
- 19266, -19266, 19266, 19266, /*; w14 w12 w10 w08 */
- -10426, 25172, -25172, -10426, /*; w15 w13 w11 w09 */
- 26722, 15137, 22654, -26722, /*; w22 w20 w18 w16 */
- 22654, 5315, -5315, -15137, /*; w23 w21 w19 w17 */
- 15137, 5315, 5315, 22654, /*; w30 w28 w26 w24 */
+const short tab_i_35[] = { 19266, 19266, 19266, -19266, /*; movq-> w06 w04 w02 w00 */
+ 25172, 10426, 10426, -25172, /*; w07 w05 w03 w01 */
+ 19266, -19266, 19266, 19266, /*; w14 w12 w10 w08 */
+ -10426, 25172, -25172, -10426, /*; w15 w13 w11 w09 */
+ 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 */
+}; /*; w31 w29 w27 w25 */
*/
/* CONCATENATED TABLE, rows 0,1,2,3,4,5,6,7 (in order ) */
@@ -286,109 +286,109 @@ const short tab_i_35[] = { 19266, 19266, 19266, -19266, /*; movq-> w06 w04 w02
/* */
static const short tab_i_01234567[] = {
/*row0, this row is required */
- 16384, 16384, 16384, -16384, /* ; movq-> w06 w04 w02 w00 */
- 21407, 8867, 8867, -21407, /* w07 w05 w03 w01 */
- 16384, -16384, 16384, 16384, /*; w14 w12 w10 w08 */
- -8867, 21407, -21407, -8867, /*; w15 w13 w11 w09 */
- 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 */
+ 16384, 16384, 16384, -16384, /* ; movq-> w06 w04 w02 w00 */
+ 21407, 8867, 8867, -21407, /* w07 w05 w03 w01 */
+ 16384, -16384, 16384, 16384, /*; w14 w12 w10 w08 */
+ -8867, 21407, -21407, -8867, /*; w15 w13 w11 w09 */
+ 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 */
/* the rest of these rows (1-7), aren't used ! */
/*row1 */
- 22725, 22725, 22725, -22725, /* ; movq-> w06 w04 w02 w00 */
- 29692, 12299, 12299, -29692, /* ; w07 w05 w03 w01 */
- 22725, -22725, 22725, 22725, /*; w14 w12 w10 w08 */
- -12299, 29692, -29692, -12299, /*; w15 w13 w11 w09 */
- 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 */
+ 22725, 22725, 22725, -22725, /* ; movq-> w06 w04 w02 w00 */
+ 29692, 12299, 12299, -29692, /* ; w07 w05 w03 w01 */
+ 22725, -22725, 22725, 22725, /*; w14 w12 w10 w08 */
+ -12299, 29692, -29692, -12299, /*; w15 w13 w11 w09 */
+ 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, 21407, -21407, /* ; movq-> w06 w04 w02 w00 */
- 27969, 11585, 11585, -27969, /* ; w07 w05 w03 w01 */
- 21407, -21407, 21407, 21407, /* ; w14 w12 w10 w08 */
- -11585, 27969, -27969, -11585, /* ;w15 w13 w11 w09 */
- 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 */
+ 21407, 21407, 21407, -21407, /* ; movq-> w06 w04 w02 w00 */
+ 27969, 11585, 11585, -27969, /* ; w07 w05 w03 w01 */
+ 21407, -21407, 21407, 21407, /* ; w14 w12 w10 w08 */
+ -11585, 27969, -27969, -11585, /* ;w15 w13 w11 w09 */
+ 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, 19266, -19266, /*; movq-> w06 w04 w02 w00 */
- 25172, 10426, 10426, -25172, /*; w07 w05 w03 w01 */
- 19266, -19266, 19266, 19266, /*; w14 w12 w10 w08 */
- -10426, 25172, -25172, -10426, /*; w15 w13 w11 w09 */
- 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 */
+ 19266, 19266, 19266, -19266, /*; movq-> w06 w04 w02 w00 */
+ 25172, 10426, 10426, -25172, /*; w07 w05 w03 w01 */
+ 19266, -19266, 19266, 19266, /*; w14 w12 w10 w08 */
+ -10426, 25172, -25172, -10426, /*; w15 w13 w11 w09 */
+ 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, 16384, -16384, /* ; movq-> w06 w04 w02 w00 */
- 21407, 8867, 8867, -21407, /* w07 w05 w03 w01 */
- 16384, -16384, 16384, 16384, /*; w14 w12 w10 w08 */
- -8867, 21407, -21407, -8867, /*; w15 w13 w11 w09 */
- 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 */
+ 16384, 16384, 16384, -16384, /* ; movq-> w06 w04 w02 w00 */
+ 21407, 8867, 8867, -21407, /* w07 w05 w03 w01 */
+ 16384, -16384, 16384, 16384, /*; w14 w12 w10 w08 */
+ -8867, 21407, -21407, -8867, /*; w15 w13 w11 w09 */
+ 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, 19266, -19266, /*; movq-> w06 w04 w02 w00 */
- 25172, 10426, 10426, -25172, /*; w07 w05 w03 w01 */
- 19266, -19266, 19266, 19266, /*; w14 w12 w10 w08 */
- -10426, 25172, -25172, -10426, /*; w15 w13 w11 w09 */
- 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 */
+ 19266, 19266, 19266, -19266, /*; movq-> w06 w04 w02 w00 */
+ 25172, 10426, 10426, -25172, /*; w07 w05 w03 w01 */
+ 19266, -19266, 19266, 19266, /*; w14 w12 w10 w08 */
+ -10426, 25172, -25172, -10426, /*; w15 w13 w11 w09 */
+ 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, 21407, -21407, /* ; movq-> w06 w04 w02 w00 */
- 27969, 11585, 11585, -27969, /* ; w07 w05 w03 w01 */
- 21407, -21407, 21407, 21407, /* ; w14 w12 w10 w08 */
- -11585, 27969, -27969, -11585, /* ;w15 w13 w11 w09 */
- 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 */
+ 21407, 21407, 21407, -21407, /* ; movq-> w06 w04 w02 w00 */
+ 27969, 11585, 11585, -27969, /* ; w07 w05 w03 w01 */
+ 21407, -21407, 21407, 21407, /* ; w14 w12 w10 w08 */
+ -11585, 27969, -27969, -11585, /* ;w15 w13 w11 w09 */
+ 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, 22725, -22725, /* ; movq-> w06 w04 w02 w00 */
- 29692, 12299, 12299, -29692, /* ; w07 w05 w03 w01 */
- 22725, -22725, 22725, 22725, /*; w14 w12 w10 w08 */
- -12299, 29692, -29692, -12299, /*; w15 w13 w11 w09 */
- 31521, 17855, 26722, -31521, /*; w22 w20 w18 w16 */
- 26722, 6270, -6270, -17855, /*; w23 w21 w19 w17 */
- 17855, 6270, 6270, 26722, /*; w30 w28 w26 w24 */
+ 22725, 22725, 22725, -22725, /* ; movq-> w06 w04 w02 w00 */
+ 29692, 12299, 12299, -29692, /* ; w07 w05 w03 w01 */
+ 22725, -22725, 22725, 22725, /*; w14 w12 w10 w08 */
+ -12299, 29692, -29692, -12299, /*; w15 w13 w11 w09 */
+ 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 */
+}; /* w31 w29 w27 w25 */
-#define INP eax /* pointer to (short *blk) */
-#define OUT ecx /* pointer to output (temporary store space qwTemp[]) */
-#define TABLE ebx /* pointer to tab_i_01234567[] */
+#define INP eax /* pointer to (short *blk) */
+#define OUT ecx /* pointer to output (temporary store space qwTemp[]) */
+#define TABLE ebx /* pointer to tab_i_01234567[] */
#define round_inv_row edx
#define round_inv_col edx
-#define ROW_STRIDE 8 /* for 8x8 matrix transposer */
+#define ROW_STRIDE 8 /* for 8x8 matrix transposer */
/* private variables and functions */
/*temporary storage space, 8x8 of shorts */
- __inline static void idct_mmx32_rows (short *blk); /* transform rows */
-__inline static void idct_mmx32_cols (short *blk); /* transform "columns" */
+ __inline static void idct_mmx32_rows (short *blk); /* transform rows */
+__inline static void idct_mmx32_cols (short *blk); /* transform "columns" */
- /* the "column" transform actually transforms rows, it is */
- /* identical to the row-transform except for the ROUNDING */
- /* and SHIFTING coefficients. */
+ /* the "column" transform actually transforms rows, it is */
+ /* identical to the row-transform except for the ROUNDING */
+ /* and SHIFTING coefficients. */
static void
idct_mmx32_rows (short *blk)
-{ /* transform all 8 rows of 8x8 iDCT block */
+{ /* transform all 8 rows of 8x8 iDCT block */
int x;
short qwTemp[64];
short *out = &qwTemp[0];
@@ -402,58 +402,58 @@ idct_mmx32_rows (short *blk)
/* */
/* 2) transpose the matrix (which was stored in qwTemp[]) */
/* qwTemp[] -> [8x8 matrix transpose] -> blk[] */
- for (x = 0; x < 8; x++) { /* transform one row per iteration */
- movq_m2r (*(inptr), mm0); /* 0 ; x3 x2 x1 x0 */
- movq_m2r (*(inptr + 4), mm1); /* 1 ; x7 x6 x5 x4 */
- movq_r2r (mm0, mm2); /* 2 ; x3 x2 x1 x0 */
- movq_m2r (*(tab_i_01234567), mm3); /* 3 ; w06 w04 w02 w00 */
- punpcklwd_r2r (mm1, mm0); /* x5 x1 x4 x0 */
+ for (x = 0; x < 8; x++) { /* transform one row per iteration */
+ movq_m2r (*(inptr), mm0); /* 0 ; x3 x2 x1 x0 */
+ movq_m2r (*(inptr + 4), mm1); /* 1 ; x7 x6 x5 x4 */
+ movq_r2r (mm0, mm2); /* 2 ; x3 x2 x1 x0 */
+ movq_m2r (*(tab_i_01234567), mm3); /* 3 ; w06 w04 w02 w00 */
+ punpcklwd_r2r (mm1, mm0); /* x5 x1 x4 x0 */
- /* ---------- */
- movq_r2r (mm0, mm5); /* 5 ; x5 x1 x4 x0 */
- punpckldq_r2r (mm0, mm0); /* x4 x0 x4 x0 */
- movq_m2r (*(tab_i_01234567 + 4), mm4); /* 4 ; w07 w05 w03 w01 */
- punpckhwd_r2r (mm1, mm2); /* 1 ; x7 x3 x6 x2 */
- pmaddwd_r2r (mm0, mm3); /* x4*w06+x0*w04 x4*w02+x0*w00 */
- movq_r2r (mm2, mm6); /* 6 ; x7 x3 x6 x2 */
- movq_m2r (*(tab_i_01234567 + 16), mm1); /* 1 ; w22 w20 w18 w16 */
- punpckldq_r2r (mm2, mm2); /* x6 x2 x6 x2 */
- pmaddwd_r2r (mm2, mm4); /* x6*w07+x2*w05 x6*w03+x2*w01 */
- punpckhdq_r2r (mm5, mm5); /* x5 x1 x5 x1 */
- pmaddwd_m2r (*(tab_i_01234567 + 8), mm0); /* x4*w14+x0*w12 x4*w10+x0*w08 */
- punpckhdq_r2r (mm6, mm6); /* x7 x3 x7 x3 */
- movq_m2r (*(tab_i_01234567 + 20), mm7); /* 7 ; w23 w21 w19 w17 */
- pmaddwd_r2r (mm5, mm1); /* x5*w22+x1*w20 x5*w18+x1*w16 */
- paddd_m2r (*(r_inv_row), mm3); /* +rounder */
- pmaddwd_r2r (mm6, mm7); /* x7*w23+x3*w21 x7*w19+x3*w17 */
- pmaddwd_m2r (*(tab_i_01234567 + 12), mm2); /* x6*w15+x2*w13 x6*w11+x2*w09 */
- paddd_r2r (mm4, mm3); /* 4 ; a1=sum(even1) a0=sum(even0) */
- pmaddwd_m2r (*(tab_i_01234567 + 24), mm5); /* x5*w30+x1*w28 x5*w26+x1*w24 */
- movq_r2r (mm3, mm4); /* 4 ; a1 a0 */
- pmaddwd_m2r (*(tab_i_01234567 + 28), mm6); /* x7*w31+x3*w29 x7*w27+x3*w25 */
- paddd_r2r (mm7, mm1); /* 7 ; b1=sum(odd1) b0=sum(odd0) */
- paddd_m2r (*(r_inv_row), mm0); /* +rounder */
- psubd_r2r (mm1, mm3); /* a1-b1 a0-b0 */
- psrad_i2r (SHIFT_INV_ROW, mm3); /* y6=a1-b1 y7=a0-b0 */
- paddd_r2r (mm4, mm1); /* 4 ; a1+b1 a0+b0 */
- paddd_r2r (mm2, mm0); /* 2 ; a3=sum(even3) a2=sum(even2) */
- psrad_i2r (SHIFT_INV_ROW, mm1); /* y1=a1+b1 y0=a0+b0 */
- paddd_r2r (mm6, mm5); /* 6 ; b3=sum(odd3) b2=sum(odd2) */
- movq_r2r (mm0, mm4); /* 4 ; a3 a2 */
- paddd_r2r (mm5, mm0); /* a3+b3 a2+b2 */
- psubd_r2r (mm5, mm4); /* 5 ; a3-b3 a2-b2 */
- psrad_i2r (SHIFT_INV_ROW, mm4); /* y4=a3-b3 y5=a2-b2 */
- psrad_i2r (SHIFT_INV_ROW, mm0); /* y3=a3+b3 y2=a2+b2 */
- packssdw_r2r (mm3, mm4); /* 3 ; y6 y7 y4 y5 */
- packssdw_r2r (mm0, mm1); /* 0 ; y3 y2 y1 y0 */
- movq_r2r (mm4, mm7); /* 7 ; y6 y7 y4 y5 */
- psrld_i2r (16, mm4); /* 0 y6 0 y4 */
- movq_r2m (mm1, *(out)); /* 1 ; save y3 y2 y1 y0 */
- pslld_i2r (16, mm7); /* y7 0 y5 0 */
- por_r2r (mm4, mm7); /* 4 ; y7 y6 y5 y4 */
+ /* ---------- */
+ movq_r2r (mm0, mm5); /* 5 ; x5 x1 x4 x0 */
+ punpckldq_r2r (mm0, mm0); /* x4 x0 x4 x0 */
+ movq_m2r (*(tab_i_01234567 + 4), mm4); /* 4 ; w07 w05 w03 w01 */
+ punpckhwd_r2r (mm1, mm2); /* 1 ; x7 x3 x6 x2 */
+ pmaddwd_r2r (mm0, mm3); /* x4*w06+x0*w04 x4*w02+x0*w00 */
+ movq_r2r (mm2, mm6); /* 6 ; x7 x3 x6 x2 */
+ movq_m2r (*(tab_i_01234567 + 16), mm1); /* 1 ; w22 w20 w18 w16 */
+ punpckldq_r2r (mm2, mm2); /* x6 x2 x6 x2 */
+ pmaddwd_r2r (mm2, mm4); /* x6*w07+x2*w05 x6*w03+x2*w01 */
+ punpckhdq_r2r (mm5, mm5); /* x5 x1 x5 x1 */
+ pmaddwd_m2r (*(tab_i_01234567 + 8), mm0); /* x4*w14+x0*w12 x4*w10+x0*w08 */
+ punpckhdq_r2r (mm6, mm6); /* x7 x3 x7 x3 */
+ movq_m2r (*(tab_i_01234567 + 20), mm7); /* 7 ; w23 w21 w19 w17 */
+ pmaddwd_r2r (mm5, mm1); /* x5*w22+x1*w20 x5*w18+x1*w16 */
+ paddd_m2r (*(r_inv_row), mm3); /* +rounder */
+ pmaddwd_r2r (mm6, mm7); /* x7*w23+x3*w21 x7*w19+x3*w17 */
+ pmaddwd_m2r (*(tab_i_01234567 + 12), mm2); /* x6*w15+x2*w13 x6*w11+x2*w09 */
+ paddd_r2r (mm4, mm3); /* 4 ; a1=sum(even1) a0=sum(even0) */
+ pmaddwd_m2r (*(tab_i_01234567 + 24), mm5); /* x5*w30+x1*w28 x5*w26+x1*w24 */
+ movq_r2r (mm3, mm4); /* 4 ; a1 a0 */
+ pmaddwd_m2r (*(tab_i_01234567 + 28), mm6); /* x7*w31+x3*w29 x7*w27+x3*w25 */
+ paddd_r2r (mm7, mm1); /* 7 ; b1=sum(odd1) b0=sum(odd0) */
+ paddd_m2r (*(r_inv_row), mm0); /* +rounder */
+ psubd_r2r (mm1, mm3); /* a1-b1 a0-b0 */
+ psrad_i2r (SHIFT_INV_ROW, mm3); /* y6=a1-b1 y7=a0-b0 */
+ paddd_r2r (mm4, mm1); /* 4 ; a1+b1 a0+b0 */
+ paddd_r2r (mm2, mm0); /* 2 ; a3=sum(even3) a2=sum(even2) */
+ psrad_i2r (SHIFT_INV_ROW, mm1); /* y1=a1+b1 y0=a0+b0 */
+ paddd_r2r (mm6, mm5); /* 6 ; b3=sum(odd3) b2=sum(odd2) */
+ movq_r2r (mm0, mm4); /* 4 ; a3 a2 */
+ paddd_r2r (mm5, mm0); /* a3+b3 a2+b2 */
+ psubd_r2r (mm5, mm4); /* 5 ; a3-b3 a2-b2 */
+ psrad_i2r (SHIFT_INV_ROW, mm4); /* y4=a3-b3 y5=a2-b2 */
+ psrad_i2r (SHIFT_INV_ROW, mm0); /* y3=a3+b3 y2=a2+b2 */
+ packssdw_r2r (mm3, mm4); /* 3 ; y6 y7 y4 y5 */
+ packssdw_r2r (mm0, mm1); /* 0 ; y3 y2 y1 y0 */
+ movq_r2r (mm4, mm7); /* 7 ; y6 y7 y4 y5 */
+ psrld_i2r (16, mm4); /* 0 y6 0 y4 */
+ movq_r2m (mm1, *(out)); /* 1 ; save y3 y2 y1 y0 */
+ pslld_i2r (16, mm7); /* y7 0 y5 0 */
+ por_r2r (mm4, mm7); /* 4 ; y7 y6 y5 y4 */
- /* begin processing row 1 */
- movq_r2m (mm7, *(out + 4)); /* 7 ; save y7 y6 y5 y4 */
+ /* begin processing row 1 */
+ movq_r2m (mm7, *(out + 4)); /* 7 ; save y7 y6 y5 y4 */
inptr += 8;
out += 8;
}
@@ -477,31 +477,31 @@ idct_mmx32_rows (short *blk)
out = &qwTemp[0];
movq_m2r (*(out + ROW_STRIDE * 0), mm0);
movq_m2r (*(out + ROW_STRIDE * 1), mm1);
- movq_r2r (mm0, mm4); /* mm4 = copy of row1[A B C D] */
+ movq_r2r (mm0, mm4); /* mm4 = copy of row1[A B C D] */
movq_m2r (*(out + ROW_STRIDE * 2), mm2);
- punpcklwd_r2r (mm1, mm0); /* mm0 = [ 0 4 1 5] */
+ punpcklwd_r2r (mm1, mm0); /* mm0 = [ 0 4 1 5] */
movq_m2r (*(out + ROW_STRIDE * 3), mm3);
- punpckhwd_r2r (mm1, mm4); /* mm4 = [ 2 6 3 7] */
+ punpckhwd_r2r (mm1, mm4); /* mm4 = [ 2 6 3 7] */
movq_r2r (mm2, mm6);
- punpcklwd_r2r (mm3, mm2); /* mm2 = [ 8 12 9 13] */
- punpckhwd_r2r (mm3, mm6); /* mm6 = 10 14 11 15] */
- movq_r2r (mm0, mm1); /* mm1 = [ 0 4 1 5] */
+ punpcklwd_r2r (mm3, mm2); /* mm2 = [ 8 12 9 13] */
+ punpckhwd_r2r (mm3, mm6); /* mm6 = 10 14 11 15] */
+ movq_r2r (mm0, mm1); /* mm1 = [ 0 4 1 5] */
inptr = blk;
- punpckldq_r2r (mm2, mm0); /* final result mm0 = row1 [0 4 8 12] */
- movq_r2r (mm4, mm3); /* mm3 = [ 2 6 3 7] */
- punpckhdq_r2r (mm2, mm1); /* mm1 = final result mm1 = row2 [1 5 9 13] */
- movq_r2m (mm0, *(inptr + ROW_STRIDE * 0)); /* store row 1 */
- punpckldq_r2r (mm6, mm4); /* final result mm4 = row3 [2 6 10 14] */
+ punpckldq_r2r (mm2, mm0); /* final result mm0 = row1 [0 4 8 12] */
+ movq_r2r (mm4, mm3); /* mm3 = [ 2 6 3 7] */
+ punpckhdq_r2r (mm2, mm1); /* mm1 = final result mm1 = row2 [1 5 9 13] */
+ movq_r2m (mm0, *(inptr + ROW_STRIDE * 0)); /* store row 1 */
+ punpckldq_r2r (mm6, mm4); /* final result mm4 = row3 [2 6 10 14] */
/* begin reading next quadrant (lower-right) */
movq_m2r (*(out + ROW_STRIDE * 4 + 4), mm0);
- punpckhdq_r2r (mm6, mm3); /* final result mm3 = row4 [3 7 11 15] */
- movq_r2m (mm4, *(inptr + ROW_STRIDE * 2)); /* store row 3 */
- movq_r2r (mm0, mm4); /* mm4 = copy of row1[A B C D] */
- movq_r2m (mm1, *(inptr + ROW_STRIDE * 1)); /* store row 2 */
+ punpckhdq_r2r (mm6, mm3); /* final result mm3 = row4 [3 7 11 15] */
+ movq_r2m (mm4, *(inptr + ROW_STRIDE * 2)); /* store row 3 */
+ movq_r2r (mm0, mm4); /* mm4 = copy of row1[A B C D] */
+ movq_r2m (mm1, *(inptr + ROW_STRIDE * 1)); /* store row 2 */
movq_m2r (*(out + ROW_STRIDE * 5 + 4), mm1);
- movq_r2m (mm3, *(inptr + ROW_STRIDE * 3)); /* store row 4 */
- punpcklwd_r2r (mm1, mm0); /* mm0 = [ 0 4 1 5] */
+ movq_r2m (mm3, *(inptr + ROW_STRIDE * 3)); /* store row 4 */
+ punpcklwd_r2r (mm1, mm0); /* mm0 = [ 0 4 1 5] */
/* 2) transpose lower-right quadrant */
@@ -512,28 +512,28 @@ idct_mmx32_rows (short *blk)
movq_m2r (*(out + ROW_STRIDE * 6 + 4), mm2);
/* punpcklwd mm0, mm1; // mm0 = [ 0 4 1 5] */
- punpckhwd_r2r (mm1, mm4); /* mm4 = [ 2 6 3 7] */
+ punpckhwd_r2r (mm1, mm4); /* mm4 = [ 2 6 3 7] */
movq_m2r (*(out + ROW_STRIDE * 7 + 4), mm3);
movq_r2r (mm2, mm6);
- punpcklwd_r2r (mm3, mm2); /* mm2 = [ 8 12 9 13] */
- movq_r2r (mm0, mm1); /* mm1 = [ 0 4 1 5] */
- punpckhwd_r2r (mm3, mm6); /* mm6 = 10 14 11 15] */
- movq_r2r (mm4, mm3); /* mm3 = [ 2 6 3 7] */
- punpckldq_r2r (mm2, mm0); /* final result mm0 = row1 [0 4 8 12] */
- punpckhdq_r2r (mm2, mm1); /* mm1 = final result mm1 = row2 [1 5 9 13] */
- ; /* slot */
- movq_r2m (mm0, *(inptr + ROW_STRIDE * 4 + 4)); /* store row 1 */
- punpckldq_r2r (mm6, mm4); /* final result mm4 = row3 [2 6 10 14] */
+ punpcklwd_r2r (mm3, mm2); /* mm2 = [ 8 12 9 13] */
+ movq_r2r (mm0, mm1); /* mm1 = [ 0 4 1 5] */
+ punpckhwd_r2r (mm3, mm6); /* mm6 = 10 14 11 15] */
+ movq_r2r (mm4, mm3); /* mm3 = [ 2 6 3 7] */
+ punpckldq_r2r (mm2, mm0); /* final result mm0 = row1 [0 4 8 12] */
+ punpckhdq_r2r (mm2, mm1); /* mm1 = final result mm1 = row2 [1 5 9 13] */
+ ; /* slot */
+ movq_r2m (mm0, *(inptr + ROW_STRIDE * 4 + 4)); /* store row 1 */
+ punpckldq_r2r (mm6, mm4); /* final result mm4 = row3 [2 6 10 14] */
movq_m2r (*(out + ROW_STRIDE * 4), mm0);
- punpckhdq_r2r (mm6, mm3); /* final result mm3 = row4 [3 7 11 15] */
- movq_r2m (mm4, *(inptr + ROW_STRIDE * 6 + 4)); /* store row 3 */
- movq_r2r (mm0, mm4); /* mm4 = copy of row1[A B C D] */
- movq_r2m (mm1, *(inptr + ROW_STRIDE * 5 + 4)); /* store row 2 */
- ; /* slot */
+ punpckhdq_r2r (mm6, mm3); /* final result mm3 = row4 [3 7 11 15] */
+ movq_r2m (mm4, *(inptr + ROW_STRIDE * 6 + 4)); /* store row 3 */
+ movq_r2r (mm0, mm4); /* mm4 = copy of row1[A B C D] */
+ movq_r2m (mm1, *(inptr + ROW_STRIDE * 5 + 4)); /* store row 2 */
+ ; /* slot */
movq_m2r (*(out + ROW_STRIDE * 5), mm1);
- ; /* slot */
- movq_r2m (mm3, *(inptr + ROW_STRIDE * 7 + 4)); /* store row 4 */
- punpcklwd_r2r (mm1, mm0); /* mm0 = [ 0 4 1 5] */
+ ; /* slot */
+ movq_r2m (mm3, *(inptr + ROW_STRIDE * 7 + 4)); /* store row 4 */
+ punpcklwd_r2r (mm1, mm0); /* mm0 = [ 0 4 1 5] */
/* 3) transpose lower-left */
/* movq mm0, qword ptr [OUT + ROW_STRIDE * 4 ] */
@@ -543,28 +543,28 @@ idct_mmx32_rows (short *blk)
movq_m2r (*(out + ROW_STRIDE * 6), mm2);
/* punpcklwd mm0, mm1; // mm0 = [ 0 4 1 5] */
- punpckhwd_r2r (mm1, mm4); /* mm4 = [ 2 6 3 7] */
+ punpckhwd_r2r (mm1, mm4); /* mm4 = [ 2 6 3 7] */
movq_m2r (*(out + ROW_STRIDE * 7), mm3);
movq_r2r (mm2, mm6);
- punpcklwd_r2r (mm3, mm2); /* mm2 = [ 8 12 9 13] */
- movq_r2r (mm0, mm1); /* mm1 = [ 0 4 1 5] */
- punpckhwd_r2r (mm3, mm6); /* mm6 = 10 14 11 15] */
- movq_r2r (mm4, mm3); /* mm3 = [ 2 6 3 7] */
- punpckldq_r2r (mm2, mm0); /* final result mm0 = row1 [0 4 8 12] */
- punpckhdq_r2r (mm2, mm1); /* mm1 = final result mm1 = row2 [1 5 9 13] */
- ; /*slot */
- movq_r2m (mm0, *(inptr + ROW_STRIDE * 0 + 4)); /* store row 1 */
- punpckldq_r2r (mm6, mm4); /* final result mm4 = row3 [2 6 10 14] */
+ punpcklwd_r2r (mm3, mm2); /* mm2 = [ 8 12 9 13] */
+ movq_r2r (mm0, mm1); /* mm1 = [ 0 4 1 5] */
+ punpckhwd_r2r (mm3, mm6); /* mm6 = 10 14 11 15] */
+ movq_r2r (mm4, mm3); /* mm3 = [ 2 6 3 7] */
+ punpckldq_r2r (mm2, mm0); /* final result mm0 = row1 [0 4 8 12] */
+ punpckhdq_r2r (mm2, mm1); /* mm1 = final result mm1 = row2 [1 5 9 13] */
+ ; /*slot */
+ movq_r2m (mm0, *(inptr + ROW_STRIDE * 0 + 4)); /* store row 1 */
+ punpckldq_r2r (mm6, mm4); /* final result mm4 = row3 [2 6 10 14] */
/* begin reading next quadrant (upper-right) */
movq_m2r (*(out + ROW_STRIDE * 0 + 4), mm0);
- punpckhdq_r2r (mm6, mm3); /* final result mm3 = row4 [3 7 11 15] */
- movq_r2m (mm4, *(inptr + ROW_STRIDE * 2 + 4)); /* store row 3 */
- movq_r2r (mm0, mm4); /* mm4 = copy of row1[A B C D] */
- movq_r2m (mm1, *(inptr + ROW_STRIDE * 1 + 4)); /* store row 2 */
+ punpckhdq_r2r (mm6, mm3); /* final result mm3 = row4 [3 7 11 15] */
+ movq_r2m (mm4, *(inptr + ROW_STRIDE * 2 + 4)); /* store row 3 */
+ movq_r2r (mm0, mm4); /* mm4 = copy of row1[A B C D] */
+ movq_r2m (mm1, *(inptr + ROW_STRIDE * 1 + 4)); /* store row 2 */
movq_m2r (*(out + ROW_STRIDE * 1 + 4), mm1);
- movq_r2m (mm3, *(inptr + ROW_STRIDE * 3 + 4)); /* store row 4 */
- punpcklwd_r2r (mm1, mm0); /* mm0 = [ 0 4 1 5] */
+ movq_r2m (mm3, *(inptr + ROW_STRIDE * 3 + 4)); /* store row 4 */
+ punpcklwd_r2r (mm1, mm0); /* mm0 = [ 0 4 1 5] */
/* 2) transpose lower-right quadrant */
@@ -575,28 +575,28 @@ idct_mmx32_rows (short *blk)
movq_m2r (*(out + ROW_STRIDE * 2 + 4), mm2);
/* punpcklwd mm0, mm1; // mm0 = [ 0 4 1 5] */
- punpckhwd_r2r (mm1, mm4); /* mm4 = [ 2 6 3 7] */
+ punpckhwd_r2r (mm1, mm4); /* mm4 = [ 2 6 3 7] */
movq_m2r (*(out + ROW_STRIDE * 3 + 4), mm3);
movq_r2r (mm2, mm6);
- punpcklwd_r2r (mm3, mm2); /* mm2 = [ 8 12 9 13] */
- movq_r2r (mm0, mm1); /* mm1 = [ 0 4 1 5] */
- punpckhwd_r2r (mm3, mm6); /* mm6 = 10 14 11 15] */
- movq_r2r (mm4, mm3); /* mm3 = [ 2 6 3 7] */
- punpckldq_r2r (mm2, mm0); /* final result mm0 = row1 [0 4 8 12] */
- punpckhdq_r2r (mm2, mm1); /* mm1 = final result mm1 = row2 [1 5 9 13] */
- ; /* slot */
- movq_r2m (mm0, *(inptr + ROW_STRIDE * 4)); /* store row 1 */
- punpckldq_r2r (mm6, mm4); /* final result mm4 = row3 [2 6 10 14] */
- movq_r2m (mm1, *(inptr + ROW_STRIDE * 5)); /* store row 2 */
- punpckhdq_r2r (mm6, mm3); /* final result mm3 = row4 [3 7 11 15] */
- movq_r2m (mm4, *(inptr + ROW_STRIDE * 6)); /* store row 3 */
- ; /* slot */
- movq_r2m (mm3, *(inptr + ROW_STRIDE * 7)); /* store row 4 */
- ; /* slot */
+ punpcklwd_r2r (mm3, mm2); /* mm2 = [ 8 12 9 13] */
+ movq_r2r (mm0, mm1); /* mm1 = [ 0 4 1 5] */
+ punpckhwd_r2r (mm3, mm6); /* mm6 = 10 14 11 15] */
+ movq_r2r (mm4, mm3); /* mm3 = [ 2 6 3 7] */
+ punpckldq_r2r (mm2, mm0); /* final result mm0 = row1 [0 4 8 12] */
+ punpckhdq_r2r (mm2, mm1); /* mm1 = final result mm1 = row2 [1 5 9 13] */
+ ; /* slot */
+ movq_r2m (mm0, *(inptr + ROW_STRIDE * 4)); /* store row 1 */
+ punpckldq_r2r (mm6, mm4); /* final result mm4 = row3 [2 6 10 14] */
+ movq_r2m (mm1, *(inptr + ROW_STRIDE * 5)); /* store row 2 */
+ punpckhdq_r2r (mm6, mm3); /* final result mm3 = row4 [3 7 11 15] */
+ movq_r2m (mm4, *(inptr + ROW_STRIDE * 6)); /* store row 3 */
+ ; /* slot */
+ movq_r2m (mm3, *(inptr + ROW_STRIDE * 7)); /* store row 4 */
+ ; /* slot */
}
static void
idct_mmx32_cols (short *blk)
-{ /* transform all 8 cols of 8x8 iDCT block */
+{ /* transform all 8 cols of 8x8 iDCT block */
int x;
short *inptr = blk;
@@ -612,58 +612,58 @@ idct_mmx32_cols (short *blk)
/* */
/* 2) transpose the matrix (which was stored in qwTemp[]) */
/* qwTemp[] -> [8x8 matrix transpose] -> blk[] */
- for (x = 0; x < 8; x++) { /* transform one row per iteration */
- movq_m2r (*(inptr), mm0); /* 0 ; x3 x2 x1 x0 */
- movq_m2r (*(inptr + 4), mm1); /* 1 ; x7 x6 x5 x4 */
- movq_r2r (mm0, mm2); /* 2 ; x3 x2 x1 x0 */
- movq_m2r (*(tab_i_01234567), mm3); /* 3 ; w06 w04 w02 w00 */
- punpcklwd_r2r (mm1, mm0); /* x5 x1 x4 x0 */
+ for (x = 0; x < 8; x++) { /* transform one row per iteration */
+ movq_m2r (*(inptr), mm0); /* 0 ; x3 x2 x1 x0 */
+ movq_m2r (*(inptr + 4), mm1); /* 1 ; x7 x6 x5 x4 */
+ movq_r2r (mm0, mm2); /* 2 ; x3 x2 x1 x0 */
+ movq_m2r (*(tab_i_01234567), mm3); /* 3 ; w06 w04 w02 w00 */
+ punpcklwd_r2r (mm1, mm0); /* x5 x1 x4 x0 */
/* ---------- */
- movq_r2r (mm0, mm5); /* 5 ; x5 x1 x4 x0 */
- punpckldq_r2r (mm0, mm0); /* x4 x0 x4 x0 */
- movq_m2r (*(tab_i_01234567 + 4), mm4); /* 4 ; w07 w05 w03 w01 */
- punpckhwd_r2r (mm1, mm2); /* 1 ; x7 x3 x6 x2 */
- pmaddwd_r2r (mm0, mm3); /* x4*w06+x0*w04 x4*w02+x0*w00 */
- movq_r2r (mm2, mm6); /* 6 ; x7 x3 x6 x2 */
- movq_m2r (*(tab_i_01234567 + 16), mm1); /* 1 ; w22 w20 w18 w16 */
- punpckldq_r2r (mm2, mm2); /* x6 x2 x6 x2 */
- pmaddwd_r2r (mm2, mm4); /* x6*w07+x2*w05 x6*w03+x2*w01 */
- punpckhdq_r2r (mm5, mm5); /* x5 x1 x5 x1 */
- pmaddwd_m2r (*(tab_i_01234567 + 8), mm0); /* x4*w14+x0*w12 x4*w10+x0*w08 */
- punpckhdq_r2r (mm6, mm6); /* x7 x3 x7 x3 */
- movq_m2r (*(tab_i_01234567 + 20), mm7); /* 7 ; w23 w21 w19 w17 */
- pmaddwd_r2r (mm5, mm1); /* x5*w22+x1*w20 x5*w18+x1*w16 */
- paddd_m2r (*(r_inv_col), mm3); /* +rounder */
- pmaddwd_r2r (mm6, mm7); /* x7*w23+x3*w21 x7*w19+x3*w17 */
- pmaddwd_m2r (*(tab_i_01234567 + 12), mm2); /* x6*w15+x2*w13 x6*w11+x2*w09 */
- paddd_r2r (mm4, mm3); /* 4 ; a1=sum(even1) a0=sum(even0) */
- pmaddwd_m2r (*(tab_i_01234567 + 24), mm5); /* x5*w30+x1*w28 x5*w26+x1*w24 */
- movq_r2r (mm3, mm4); /* 4 ; a1 a0 */
- pmaddwd_m2r (*(tab_i_01234567 + 28), mm6); /* x7*w31+x3*w29 x7*w27+x3*w25 */
- paddd_r2r (mm7, mm1); /* 7 ; b1=sum(odd1) b0=sum(odd0) */
- paddd_m2r (*(r_inv_col), mm0); /* +rounder */
- psubd_r2r (mm1, mm3); /* a1-b1 a0-b0 */
- psrad_i2r (SHIFT_INV_COL, mm3); /* y6=a1-b1 y7=a0-b0 */
- paddd_r2r (mm4, mm1); /* 4 ; a1+b1 a0+b0 */
- paddd_r2r (mm2, mm0); /* 2 ; a3=sum(even3) a2=sum(even2) */
- psrad_i2r (SHIFT_INV_COL, mm1); /* y1=a1+b1 y0=a0+b0 */
- paddd_r2r (mm6, mm5); /* 6 ; b3=sum(odd3) b2=sum(odd2) */
- movq_r2r (mm0, mm4); /* 4 ; a3 a2 */
- paddd_r2r (mm5, mm0); /* a3+b3 a2+b2 */
- psubd_r2r (mm5, mm4); /* 5 ; a3-b3 a2-b2 */
- psrad_i2r (SHIFT_INV_COL, mm4); /* y4=a3-b3 y5=a2-b2 */
- psrad_i2r (SHIFT_INV_COL, mm0); /* y3=a3+b3 y2=a2+b2 */
- packssdw_r2r (mm3, mm4); /* 3 ; y6 y7 y4 y5 */
- packssdw_r2r (mm0, mm1); /* 0 ; y3 y2 y1 y0 */
- movq_r2r (mm4, mm7); /* 7 ; y6 y7 y4 y5 */
- psrld_i2r (16, mm4); /* 0 y6 0 y4 */
- movq_r2m (mm1, *(inptr)); /* 1 ; save y3 y2 y1 y0 */
- pslld_i2r (16, mm7); /* y7 0 y5 0 */
- por_r2r (mm4, mm7); /* 4 ; y7 y6 y5 y4 */
+ movq_r2r (mm0, mm5); /* 5 ; x5 x1 x4 x0 */
+ punpckldq_r2r (mm0, mm0); /* x4 x0 x4 x0 */
+ movq_m2r (*(tab_i_01234567 + 4), mm4); /* 4 ; w07 w05 w03 w01 */
+ punpckhwd_r2r (mm1, mm2); /* 1 ; x7 x3 x6 x2 */
+ pmaddwd_r2r (mm0, mm3); /* x4*w06+x0*w04 x4*w02+x0*w00 */
+ movq_r2r (mm2, mm6); /* 6 ; x7 x3 x6 x2 */
+ movq_m2r (*(tab_i_01234567 + 16), mm1); /* 1 ; w22 w20 w18 w16 */
+ punpckldq_r2r (mm2, mm2); /* x6 x2 x6 x2 */
+ pmaddwd_r2r (mm2, mm4); /* x6*w07+x2*w05 x6*w03+x2*w01 */
+ punpckhdq_r2r (mm5, mm5); /* x5 x1 x5 x1 */
+ pmaddwd_m2r (*(tab_i_01234567 + 8), mm0); /* x4*w14+x0*w12 x4*w10+x0*w08 */
+ punpckhdq_r2r (mm6, mm6); /* x7 x3 x7 x3 */
+ movq_m2r (*(tab_i_01234567 + 20), mm7); /* 7 ; w23 w21 w19 w17 */
+ pmaddwd_r2r (mm5, mm1); /* x5*w22+x1*w20 x5*w18+x1*w16 */
+ paddd_m2r (*(r_inv_col), mm3); /* +rounder */
+ pmaddwd_r2r (mm6, mm7); /* x7*w23+x3*w21 x7*w19+x3*w17 */
+ pmaddwd_m2r (*(tab_i_01234567 + 12), mm2); /* x6*w15+x2*w13 x6*w11+x2*w09 */
+ paddd_r2r (mm4, mm3); /* 4 ; a1=sum(even1) a0=sum(even0) */
+ pmaddwd_m2r (*(tab_i_01234567 + 24), mm5); /* x5*w30+x1*w28 x5*w26+x1*w24 */
+ movq_r2r (mm3, mm4); /* 4 ; a1 a0 */
+ pmaddwd_m2r (*(tab_i_01234567 + 28), mm6); /* x7*w31+x3*w29 x7*w27+x3*w25 */
+ paddd_r2r (mm7, mm1); /* 7 ; b1=sum(odd1) b0=sum(odd0) */
+ paddd_m2r (*(r_inv_col), mm0); /* +rounder */
+ psubd_r2r (mm1, mm3); /* a1-b1 a0-b0 */
+ psrad_i2r (SHIFT_INV_COL, mm3); /* y6=a1-b1 y7=a0-b0 */
+ paddd_r2r (mm4, mm1); /* 4 ; a1+b1 a0+b0 */
+ paddd_r2r (mm2, mm0); /* 2 ; a3=sum(even3) a2=sum(even2) */
+ psrad_i2r (SHIFT_INV_COL, mm1); /* y1=a1+b1 y0=a0+b0 */
+ paddd_r2r (mm6, mm5); /* 6 ; b3=sum(odd3) b2=sum(odd2) */
+ movq_r2r (mm0, mm4); /* 4 ; a3 a2 */
+ paddd_r2r (mm5, mm0); /* a3+b3 a2+b2 */
+ psubd_r2r (mm5, mm4); /* 5 ; a3-b3 a2-b2 */
+ psrad_i2r (SHIFT_INV_COL, mm4); /* y4=a3-b3 y5=a2-b2 */
+ psrad_i2r (SHIFT_INV_COL, mm0); /* y3=a3+b3 y2=a2+b2 */
+ packssdw_r2r (mm3, mm4); /* 3 ; y6 y7 y4 y5 */
+ packssdw_r2r (mm0, mm1); /* 0 ; y3 y2 y1 y0 */
+ movq_r2r (mm4, mm7); /* 7 ; y6 y7 y4 y5 */
+ psrld_i2r (16, mm4); /* 0 y6 0 y4 */
+ movq_r2m (mm1, *(inptr)); /* 1 ; save y3 y2 y1 y0 */
+ pslld_i2r (16, mm7); /* y7 0 y5 0 */
+ por_r2r (mm4, mm7); /* 4 ; y7 y6 y5 y4 */
- /* begin processing row 1 */
- movq_r2m (mm7, *(inptr + 4)); /* 7 ; save y7 y6 y5 y4 */
+ /* begin processing row 1 */
+ movq_r2m (mm7, *(inptr + 4)); /* 7 ; save y7 y6 y5 y4 */
inptr += 8;
}
@@ -679,10 +679,12 @@ gst_idct_mmx32_idct (short *blk)
{
/* 1) iDCT row transformation */
- idct_mmx32_rows (blk); /* 1) transform iDCT row, and transpose */
+ idct_mmx32_rows (blk); /* 1) transform iDCT row, and transpose */
/* 2) iDCT column transformation */
- idct_mmx32_cols (blk); /* 2) transform iDCT row, and transpose */
- emms (); /* restore processor state */
+ idct_mmx32_cols (blk); /* 2) transform iDCT row, and transpose */
+ emms (); /* restore processor state */
/* all done */
-}
+}
+
+
generated by cgit v1.2.1 (git 2.18.0) at 2025-01-13 09:11:10 +0000