-/*
- * Note: For libavcodec, this code can also be used under the LGPL license
- */
/*
* idct_mmx.c
* Copyright (C) 1999-2001 Aaron Holtzman <aholtzma@ess.engr.uvic.ca>
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ * along with mpeg2dec; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
-#include "../common.h"
-#include "../dsputil.h"
+#include "common.h"
+#include "dsputil.h"
#include "mmx.h"
#define rounder(bias) {round (bias), round (bias)}
#if 0
-/* C row IDCT - its just here to document the MMXEXT and MMX versions */
+/* C row IDCT - it is just here to document the MMXEXT and MMX versions */
static inline void idct_row (int16_t * row, int offset,
- int16_t * table, int32_t * rounder)
+ int16_t * table, int32_t * rounder)
{
int C1, C2, C3, C4, C5, C6, C7;
int a0, a1, a2, a3, b0, b1, b2, b3;
/* MMXEXT row IDCT */
-#define mmxext_table(c1,c2,c3,c4,c5,c6,c7) { c4, c2, -c4, -c2, \
- c4, c6, c4, c6, \
- c1, c3, -c1, -c5, \
- c5, c7, c3, -c7, \
- c4, -c6, c4, -c6, \
- -c4, c2, c4, -c2, \
- c5, -c1, c3, -c1, \
- c7, c3, c7, -c5 }
+#define mmxext_table(c1,c2,c3,c4,c5,c6,c7) { c4, c2, -c4, -c2, \
+ c4, c6, c4, c6, \
+ c1, c3, -c1, -c5, \
+ c5, c7, c3, -c7, \
+ c4, -c6, c4, -c6, \
+ -c4, c2, c4, -c2, \
+ c5, -c1, c3, -c1, \
+ c7, c3, c7, -c5 }
-static inline void mmxext_row_head (int16_t * row, int offset, int16_t * table)
+static inline void mmxext_row_head (int16_t * row, int offset, const int16_t * table)
{
- movq_m2r (*(row+offset), mm2); // mm2 = x6 x4 x2 x0
+ movq_m2r (*(row+offset), mm2); /* mm2 = x6 x4 x2 x0 */
- movq_m2r (*(row+offset+4), mm5); // mm5 = x7 x5 x3 x1
- movq_r2r (mm2, mm0); // mm0 = x6 x4 x2 x0
+ movq_m2r (*(row+offset+4), mm5); /* mm5 = x7 x5 x3 x1 */
+ movq_r2r (mm2, mm0); /* mm0 = x6 x4 x2 x0 */
- movq_m2r (*table, mm3); // mm3 = -C2 -C4 C2 C4
- movq_r2r (mm5, mm6); // mm6 = x7 x5 x3 x1
+ movq_m2r (*table, mm3); /* mm3 = -C2 -C4 C2 C4 */
+ movq_r2r (mm5, mm6); /* mm6 = x7 x5 x3 x1 */
- movq_m2r (*(table+4), mm4); // mm4 = C6 C4 C6 C4
- pmaddwd_r2r (mm0, mm3); // mm3 = -C4*x4-C2*x6 C4*x0+C2*x2
+ movq_m2r (*(table+4), mm4); /* mm4 = C6 C4 C6 C4 */
+ pmaddwd_r2r (mm0, mm3); /* mm3 = -C4*x4-C2*x6 C4*x0+C2*x2 */
- pshufw_r2r (mm2, mm2, 0x4e); // mm2 = x2 x0 x6 x4
+ pshufw_r2r (mm2, mm2, 0x4e); /* mm2 = x2 x0 x6 x4 */
}
-static inline void mmxext_row (int16_t * table, int32_t * rounder)
+static inline void mmxext_row (const int16_t * table, const int32_t * rounder)
{
- movq_m2r (*(table+8), mm1); // mm1 = -C5 -C1 C3 C1
- pmaddwd_r2r (mm2, mm4); // mm4 = C4*x0+C6*x2 C4*x4+C6*x6
+ movq_m2r (*(table+8), mm1); /* mm1 = -C5 -C1 C3 C1 */
+ pmaddwd_r2r (mm2, mm4); /* mm4 = C4*x0+C6*x2 C4*x4+C6*x6 */
- pmaddwd_m2r (*(table+16), mm0); // mm0 = C4*x4-C6*x6 C4*x0-C6*x2
- pshufw_r2r (mm6, mm6, 0x4e); // mm6 = x3 x1 x7 x5
+ pmaddwd_m2r (*(table+16), mm0); /* mm0 = C4*x4-C6*x6 C4*x0-C6*x2 */
+ pshufw_r2r (mm6, mm6, 0x4e); /* mm6 = x3 x1 x7 x5 */
- movq_m2r (*(table+12), mm7); // mm7 = -C7 C3 C7 C5
- pmaddwd_r2r (mm5, mm1); // mm1 = -C1*x5-C5*x7 C1*x1+C3*x3
+ movq_m2r (*(table+12), mm7); /* mm7 = -C7 C3 C7 C5 */
+ pmaddwd_r2r (mm5, mm1); /* mm1 = -C1*x5-C5*x7 C1*x1+C3*x3 */
- paddd_m2r (*rounder, mm3); // mm3 += rounder
- pmaddwd_r2r (mm6, mm7); // mm7 = C3*x1-C7*x3 C5*x5+C7*x7
+ paddd_m2r (*rounder, mm3); /* mm3 += rounder */
+ pmaddwd_r2r (mm6, mm7); /* mm7 = C3*x1-C7*x3 C5*x5+C7*x7 */
- pmaddwd_m2r (*(table+20), mm2); // mm2 = C4*x0-C2*x2 -C4*x4+C2*x6
- paddd_r2r (mm4, mm3); // mm3 = a1 a0 + rounder
+ pmaddwd_m2r (*(table+20), mm2); /* mm2 = C4*x0-C2*x2 -C4*x4+C2*x6 */
+ paddd_r2r (mm4, mm3); /* mm3 = a1 a0 + rounder */
- pmaddwd_m2r (*(table+24), mm5); // mm5 = C3*x5-C1*x7 C5*x1-C1*x3
- movq_r2r (mm3, mm4); // mm4 = a1 a0 + rounder
+ pmaddwd_m2r (*(table+24), mm5); /* mm5 = C3*x5-C1*x7 C5*x1-C1*x3 */
+ movq_r2r (mm3, mm4); /* mm4 = a1 a0 + rounder */
- pmaddwd_m2r (*(table+28), mm6); // mm6 = C7*x1-C5*x3 C7*x5+C3*x7
- paddd_r2r (mm7, mm1); // mm1 = b1 b0
+ pmaddwd_m2r (*(table+28), mm6); /* mm6 = C7*x1-C5*x3 C7*x5+C3*x7 */
+ paddd_r2r (mm7, mm1); /* mm1 = b1 b0 */
- paddd_m2r (*rounder, mm0); // mm0 += rounder
- psubd_r2r (mm1, mm3); // mm3 = a1-b1 a0-b0 + rounder
+ paddd_m2r (*rounder, mm0); /* mm0 += rounder */
+ psubd_r2r (mm1, mm3); /* mm3 = a1-b1 a0-b0 + rounder */
- psrad_i2r (ROW_SHIFT, mm3); // mm3 = y6 y7
- paddd_r2r (mm4, mm1); // mm1 = a1+b1 a0+b0 + rounder
+ psrad_i2r (ROW_SHIFT, mm3); /* mm3 = y6 y7 */
+ paddd_r2r (mm4, mm1); /* mm1 = a1+b1 a0+b0 + rounder */
- paddd_r2r (mm2, mm0); // mm0 = a3 a2 + rounder
- psrad_i2r (ROW_SHIFT, mm1); // mm1 = y1 y0
+ paddd_r2r (mm2, mm0); /* mm0 = a3 a2 + rounder */
+ psrad_i2r (ROW_SHIFT, mm1); /* mm1 = y1 y0 */
- paddd_r2r (mm6, mm5); // mm5 = b3 b2
- movq_r2r (mm0, mm4); // mm4 = a3 a2 + rounder
+ paddd_r2r (mm6, mm5); /* mm5 = b3 b2 */
+ movq_r2r (mm0, mm4); /* mm4 = a3 a2 + rounder */
- paddd_r2r (mm5, mm0); // mm0 = a3+b3 a2+b2 + rounder
- psubd_r2r (mm5, mm4); // mm4 = a3-b3 a2-b2 + rounder
+ paddd_r2r (mm5, mm0); /* mm0 = a3+b3 a2+b2 + rounder */
+ psubd_r2r (mm5, mm4); /* mm4 = a3-b3 a2-b2 + rounder */
}
static inline void mmxext_row_tail (int16_t * row, int store)
{
- psrad_i2r (ROW_SHIFT, mm0); // mm0 = y3 y2
+ psrad_i2r (ROW_SHIFT, mm0); /* mm0 = y3 y2 */
- psrad_i2r (ROW_SHIFT, mm4); // mm4 = y4 y5
+ psrad_i2r (ROW_SHIFT, mm4); /* mm4 = y4 y5 */
- packssdw_r2r (mm0, mm1); // mm1 = y3 y2 y1 y0
+ packssdw_r2r (mm0, mm1); /* mm1 = y3 y2 y1 y0 */
- packssdw_r2r (mm3, mm4); // mm4 = y6 y7 y4 y5
+ packssdw_r2r (mm3, mm4); /* mm4 = y6 y7 y4 y5 */
- movq_r2m (mm1, *(row+store)); // save y3 y2 y1 y0
- pshufw_r2r (mm4, mm4, 0xb1); // mm4 = y7 y6 y5 y4
+ movq_r2m (mm1, *(row+store)); /* save y3 y2 y1 y0 */
+ pshufw_r2r (mm4, mm4, 0xb1); /* mm4 = y7 y6 y5 y4 */
/* slot */
- movq_r2m (mm4, *(row+store+4)); // save y7 y6 y5 y4
+ movq_r2m (mm4, *(row+store+4)); /* save y7 y6 y5 y4 */
}
static inline void mmxext_row_mid (int16_t * row, int store,
- int offset, int16_t * table)
+ int offset, const int16_t * table)
{
- movq_m2r (*(row+offset), mm2); // mm2 = x6 x4 x2 x0
- psrad_i2r (ROW_SHIFT, mm0); // mm0 = y3 y2
+ movq_m2r (*(row+offset), mm2); /* mm2 = x6 x4 x2 x0 */
+ psrad_i2r (ROW_SHIFT, mm0); /* mm0 = y3 y2 */
- movq_m2r (*(row+offset+4), mm5); // mm5 = x7 x5 x3 x1
- psrad_i2r (ROW_SHIFT, mm4); // mm4 = y4 y5
+ movq_m2r (*(row+offset+4), mm5); /* mm5 = x7 x5 x3 x1 */
+ psrad_i2r (ROW_SHIFT, mm4); /* mm4 = y4 y5 */
- packssdw_r2r (mm0, mm1); // mm1 = y3 y2 y1 y0
- movq_r2r (mm5, mm6); // mm6 = x7 x5 x3 x1
+ packssdw_r2r (mm0, mm1); /* mm1 = y3 y2 y1 y0 */
+ movq_r2r (mm5, mm6); /* mm6 = x7 x5 x3 x1 */
- packssdw_r2r (mm3, mm4); // mm4 = y6 y7 y4 y5
- movq_r2r (mm2, mm0); // mm0 = x6 x4 x2 x0
+ packssdw_r2r (mm3, mm4); /* mm4 = y6 y7 y4 y5 */
+ movq_r2r (mm2, mm0); /* mm0 = x6 x4 x2 x0 */
- movq_r2m (mm1, *(row+store)); // save y3 y2 y1 y0
- pshufw_r2r (mm4, mm4, 0xb1); // mm4 = y7 y6 y5 y4
+ movq_r2m (mm1, *(row+store)); /* save y3 y2 y1 y0 */
+ pshufw_r2r (mm4, mm4, 0xb1); /* mm4 = y7 y6 y5 y4 */
- movq_m2r (*table, mm3); // mm3 = -C2 -C4 C2 C4
- movq_r2m (mm4, *(row+store+4)); // save y7 y6 y5 y4
+ movq_m2r (*table, mm3); /* mm3 = -C2 -C4 C2 C4 */
+ movq_r2m (mm4, *(row+store+4)); /* save y7 y6 y5 y4 */
- pmaddwd_r2r (mm0, mm3); // mm3 = -C4*x4-C2*x6 C4*x0+C2*x2
+ pmaddwd_r2r (mm0, mm3); /* mm3 = -C4*x4-C2*x6 C4*x0+C2*x2 */
- movq_m2r (*(table+4), mm4); // mm4 = C6 C4 C6 C4
- pshufw_r2r (mm2, mm2, 0x4e); // mm2 = x2 x0 x6 x4
+ movq_m2r (*(table+4), mm4); /* mm4 = C6 C4 C6 C4 */
+ pshufw_r2r (mm2, mm2, 0x4e); /* mm2 = x2 x0 x6 x4 */
}
/* MMX row IDCT */
-#define mmx_table(c1,c2,c3,c4,c5,c6,c7) { c4, c2, c4, c6, \
- c4, c6, -c4, -c2, \
- c1, c3, c3, -c7, \
- c5, c7, -c1, -c5, \
- c4, -c6, c4, -c2, \
- -c4, c2, c4, -c6, \
- c5, -c1, c7, -c5, \
- c7, c3, c3, -c1 }
+#define mmx_table(c1,c2,c3,c4,c5,c6,c7) { c4, c2, c4, c6, \
+ c4, c6, -c4, -c2, \
+ c1, c3, c3, -c7, \
+ c5, c7, -c1, -c5, \
+ c4, -c6, c4, -c2, \
+ -c4, c2, c4, -c6, \
+ c5, -c1, c7, -c5, \
+ c7, c3, c3, -c1 }
-static inline void mmx_row_head (int16_t * row, int offset, int16_t * table)
+static inline void mmx_row_head (int16_t * row, int offset, const int16_t * table)
{
- movq_m2r (*(row+offset), mm2); // mm2 = x6 x4 x2 x0
+ movq_m2r (*(row+offset), mm2); /* mm2 = x6 x4 x2 x0 */
- movq_m2r (*(row+offset+4), mm5); // mm5 = x7 x5 x3 x1
- movq_r2r (mm2, mm0); // mm0 = x6 x4 x2 x0
+ movq_m2r (*(row+offset+4), mm5); /* mm5 = x7 x5 x3 x1 */
+ movq_r2r (mm2, mm0); /* mm0 = x6 x4 x2 x0 */
- movq_m2r (*table, mm3); // mm3 = C6 C4 C2 C4
- movq_r2r (mm5, mm6); // mm6 = x7 x5 x3 x1
+ movq_m2r (*table, mm3); /* mm3 = C6 C4 C2 C4 */
+ movq_r2r (mm5, mm6); /* mm6 = x7 x5 x3 x1 */
- punpckldq_r2r (mm0, mm0); // mm0 = x2 x0 x2 x0
+ punpckldq_r2r (mm0, mm0); /* mm0 = x2 x0 x2 x0 */
- movq_m2r (*(table+4), mm4); // mm4 = -C2 -C4 C6 C4
- pmaddwd_r2r (mm0, mm3); // mm3 = C4*x0+C6*x2 C4*x0+C2*x2
+ movq_m2r (*(table+4), mm4); /* mm4 = -C2 -C4 C6 C4 */
+ pmaddwd_r2r (mm0, mm3); /* mm3 = C4*x0+C6*x2 C4*x0+C2*x2 */
- movq_m2r (*(table+8), mm1); // mm1 = -C7 C3 C3 C1
- punpckhdq_r2r (mm2, mm2); // mm2 = x6 x4 x6 x4
+ movq_m2r (*(table+8), mm1); /* mm1 = -C7 C3 C3 C1 */
+ punpckhdq_r2r (mm2, mm2); /* mm2 = x6 x4 x6 x4 */
}
-static inline void mmx_row (int16_t * table, int32_t * rounder)
+static inline void mmx_row (const int16_t * table, const int32_t * rounder)
{
- pmaddwd_r2r (mm2, mm4); // mm4 = -C4*x4-C2*x6 C4*x4+C6*x6
- punpckldq_r2r (mm5, mm5); // mm5 = x3 x1 x3 x1
+ pmaddwd_r2r (mm2, mm4); /* mm4 = -C4*x4-C2*x6 C4*x4+C6*x6 */
+ punpckldq_r2r (mm5, mm5); /* mm5 = x3 x1 x3 x1 */
- pmaddwd_m2r (*(table+16), mm0); // mm0 = C4*x0-C2*x2 C4*x0-C6*x2
- punpckhdq_r2r (mm6, mm6); // mm6 = x7 x5 x7 x5
+ pmaddwd_m2r (*(table+16), mm0); /* mm0 = C4*x0-C2*x2 C4*x0-C6*x2 */
+ punpckhdq_r2r (mm6, mm6); /* mm6 = x7 x5 x7 x5 */
- movq_m2r (*(table+12), mm7); // mm7 = -C5 -C1 C7 C5
- pmaddwd_r2r (mm5, mm1); // mm1 = C3*x1-C7*x3 C1*x1+C3*x3
+ movq_m2r (*(table+12), mm7); /* mm7 = -C5 -C1 C7 C5 */
+ pmaddwd_r2r (mm5, mm1); /* mm1 = C3*x1-C7*x3 C1*x1+C3*x3 */
- paddd_m2r (*rounder, mm3); // mm3 += rounder
- pmaddwd_r2r (mm6, mm7); // mm7 = -C1*x5-C5*x7 C5*x5+C7*x7
+ paddd_m2r (*rounder, mm3); /* mm3 += rounder */
+ pmaddwd_r2r (mm6, mm7); /* mm7 = -C1*x5-C5*x7 C5*x5+C7*x7 */
- pmaddwd_m2r (*(table+20), mm2); // mm2 = C4*x4-C6*x6 -C4*x4+C2*x6
- paddd_r2r (mm4, mm3); // mm3 = a1 a0 + rounder
+ pmaddwd_m2r (*(table+20), mm2); /* mm2 = C4*x4-C6*x6 -C4*x4+C2*x6 */
+ paddd_r2r (mm4, mm3); /* mm3 = a1 a0 + rounder */
- pmaddwd_m2r (*(table+24), mm5); // mm5 = C7*x1-C5*x3 C5*x1-C1*x3
- movq_r2r (mm3, mm4); // mm4 = a1 a0 + rounder
+ pmaddwd_m2r (*(table+24), mm5); /* mm5 = C7*x1-C5*x3 C5*x1-C1*x3 */
+ movq_r2r (mm3, mm4); /* mm4 = a1 a0 + rounder */
- pmaddwd_m2r (*(table+28), mm6); // mm6 = C3*x5-C1*x7 C7*x5+C3*x7
- paddd_r2r (mm7, mm1); // mm1 = b1 b0
+ pmaddwd_m2r (*(table+28), mm6); /* mm6 = C3*x5-C1*x7 C7*x5+C3*x7 */
+ paddd_r2r (mm7, mm1); /* mm1 = b1 b0 */
- paddd_m2r (*rounder, mm0); // mm0 += rounder
- psubd_r2r (mm1, mm3); // mm3 = a1-b1 a0-b0 + rounder
+ paddd_m2r (*rounder, mm0); /* mm0 += rounder */
+ psubd_r2r (mm1, mm3); /* mm3 = a1-b1 a0-b0 + rounder */
- psrad_i2r (ROW_SHIFT, mm3); // mm3 = y6 y7
- paddd_r2r (mm4, mm1); // mm1 = a1+b1 a0+b0 + rounder
+ psrad_i2r (ROW_SHIFT, mm3); /* mm3 = y6 y7 */
+ paddd_r2r (mm4, mm1); /* mm1 = a1+b1 a0+b0 + rounder */
- paddd_r2r (mm2, mm0); // mm0 = a3 a2 + rounder
- psrad_i2r (ROW_SHIFT, mm1); // mm1 = y1 y0
+ paddd_r2r (mm2, mm0); /* mm0 = a3 a2 + rounder */
+ psrad_i2r (ROW_SHIFT, mm1); /* mm1 = y1 y0 */
- paddd_r2r (mm6, mm5); // mm5 = b3 b2
- movq_r2r (mm0, mm7); // mm7 = a3 a2 + rounder
+ paddd_r2r (mm6, mm5); /* mm5 = b3 b2 */
+ movq_r2r (mm0, mm7); /* mm7 = a3 a2 + rounder */
- paddd_r2r (mm5, mm0); // mm0 = a3+b3 a2+b2 + rounder
- psubd_r2r (mm5, mm7); // mm7 = a3-b3 a2-b2 + rounder
+ paddd_r2r (mm5, mm0); /* mm0 = a3+b3 a2+b2 + rounder */
+ psubd_r2r (mm5, mm7); /* mm7 = a3-b3 a2-b2 + rounder */
}
static inline void mmx_row_tail (int16_t * row, int store)
{
- psrad_i2r (ROW_SHIFT, mm0); // mm0 = y3 y2
+ psrad_i2r (ROW_SHIFT, mm0); /* mm0 = y3 y2 */
- psrad_i2r (ROW_SHIFT, mm7); // mm7 = y4 y5
+ psrad_i2r (ROW_SHIFT, mm7); /* mm7 = y4 y5 */
- packssdw_r2r (mm0, mm1); // mm1 = y3 y2 y1 y0
+ packssdw_r2r (mm0, mm1); /* mm1 = y3 y2 y1 y0 */
- packssdw_r2r (mm3, mm7); // mm7 = y6 y7 y4 y5
+ packssdw_r2r (mm3, mm7); /* mm7 = y6 y7 y4 y5 */
- movq_r2m (mm1, *(row+store)); // save y3 y2 y1 y0
- movq_r2r (mm7, mm4); // mm4 = y6 y7 y4 y5
+ movq_r2m (mm1, *(row+store)); /* save y3 y2 y1 y0 */
+ movq_r2r (mm7, mm4); /* mm4 = y6 y7 y4 y5 */
- pslld_i2r (16, mm7); // mm7 = y7 0 y5 0
+ pslld_i2r (16, mm7); /* mm7 = y7 0 y5 0 */
- psrld_i2r (16, mm4); // mm4 = 0 y6 0 y4
+ psrld_i2r (16, mm4); /* mm4 = 0 y6 0 y4 */
- por_r2r (mm4, mm7); // mm7 = y7 y6 y5 y4
+ por_r2r (mm4, mm7); /* mm7 = y7 y6 y5 y4 */
/* slot */
- movq_r2m (mm7, *(row+store+4)); // save y7 y6 y5 y4
+ movq_r2m (mm7, *(row+store+4)); /* save y7 y6 y5 y4 */
}
static inline void mmx_row_mid (int16_t * row, int store,
- int offset, int16_t * table)
+ int offset, const int16_t * table)
{
- movq_m2r (*(row+offset), mm2); // mm2 = x6 x4 x2 x0
- psrad_i2r (ROW_SHIFT, mm0); // mm0 = y3 y2
+ movq_m2r (*(row+offset), mm2); /* mm2 = x6 x4 x2 x0 */
+ psrad_i2r (ROW_SHIFT, mm0); /* mm0 = y3 y2 */
- movq_m2r (*(row+offset+4), mm5); // mm5 = x7 x5 x3 x1
- psrad_i2r (ROW_SHIFT, mm7); // mm7 = y4 y5
+ movq_m2r (*(row+offset+4), mm5); /* mm5 = x7 x5 x3 x1 */
+ psrad_i2r (ROW_SHIFT, mm7); /* mm7 = y4 y5 */
- packssdw_r2r (mm0, mm1); // mm1 = y3 y2 y1 y0
- movq_r2r (mm5, mm6); // mm6 = x7 x5 x3 x1
+ packssdw_r2r (mm0, mm1); /* mm1 = y3 y2 y1 y0 */
+ movq_r2r (mm5, mm6); /* mm6 = x7 x5 x3 x1 */
- packssdw_r2r (mm3, mm7); // mm7 = y6 y7 y4 y5
- movq_r2r (mm2, mm0); // mm0 = x6 x4 x2 x0
+ packssdw_r2r (mm3, mm7); /* mm7 = y6 y7 y4 y5 */
+ movq_r2r (mm2, mm0); /* mm0 = x6 x4 x2 x0 */
- movq_r2m (mm1, *(row+store)); // save y3 y2 y1 y0
- movq_r2r (mm7, mm1); // mm1 = y6 y7 y4 y5
+ movq_r2m (mm1, *(row+store)); /* save y3 y2 y1 y0 */
+ movq_r2r (mm7, mm1); /* mm1 = y6 y7 y4 y5 */
- punpckldq_r2r (mm0, mm0); // mm0 = x2 x0 x2 x0
- psrld_i2r (16, mm7); // mm7 = 0 y6 0 y4
+ punpckldq_r2r (mm0, mm0); /* mm0 = x2 x0 x2 x0 */
+ psrld_i2r (16, mm7); /* mm7 = 0 y6 0 y4 */
- movq_m2r (*table, mm3); // mm3 = C6 C4 C2 C4
- pslld_i2r (16, mm1); // mm1 = y7 0 y5 0
+ movq_m2r (*table, mm3); /* mm3 = C6 C4 C2 C4 */
+ pslld_i2r (16, mm1); /* mm1 = y7 0 y5 0 */
- movq_m2r (*(table+4), mm4); // mm4 = -C2 -C4 C6 C4
- por_r2r (mm1, mm7); // mm7 = y7 y6 y5 y4
+ movq_m2r (*(table+4), mm4); /* mm4 = -C2 -C4 C6 C4 */
+ por_r2r (mm1, mm7); /* mm7 = y7 y6 y5 y4 */
- movq_m2r (*(table+8), mm1); // mm1 = -C7 C3 C3 C1
- punpckhdq_r2r (mm2, mm2); // mm2 = x6 x4 x6 x4
+ movq_m2r (*(table+8), mm1); /* mm1 = -C7 C3 C3 C1 */
+ punpckhdq_r2r (mm2, mm2); /* mm2 = x6 x4 x6 x4 */
- movq_r2m (mm7, *(row+store+4)); // save y7 y6 y5 y4
- pmaddwd_r2r (mm0, mm3); // mm3 = C4*x0+C6*x2 C4*x0+C2*x2
+ movq_r2m (mm7, *(row+store+4)); /* save y7 y6 y5 y4 */
+ pmaddwd_r2r (mm0, mm3); /* mm3 = C4*x0+C6*x2 C4*x0+C2*x2 */
}
#if 0
-// C column IDCT - its just here to document the MMXEXT and MMX versions
+/* C column IDCT - it is just here to document the MMXEXT and MMX versions */
static inline void idct_col (int16_t * col, int offset)
{
/* multiplication - as implemented on mmx */
#endif
-// MMX column IDCT
+/* MMX column IDCT */
static inline void idct_col (int16_t * col, int offset)
{
#define T1 13036
#define T3 43790
#define C4 23170
- static short _T1[] ATTR_ALIGN(8) = {T1,T1,T1,T1};
- static short _T2[] ATTR_ALIGN(8) = {T2,T2,T2,T2};
- static short _T3[] ATTR_ALIGN(8) = {T3,T3,T3,T3};
- static short _C4[] ATTR_ALIGN(8) = {C4,C4,C4,C4};
+ static const short t1_vector[] ATTR_ALIGN(8) = {T1,T1,T1,T1};
+ static const short t2_vector[] ATTR_ALIGN(8) = {T2,T2,T2,T2};
+ static const short t3_vector[] ATTR_ALIGN(8) = {T3,T3,T3,T3};
+ static const short c4_vector[] ATTR_ALIGN(8) = {C4,C4,C4,C4};
- /* column code adapted from peter gubanov */
+ /* column code adapted from Peter Gubanov */
/* http://www.elecard.com/peter/idct.shtml */
- movq_m2r (*_T1, mm0); // mm0 = T1
+ movq_m2r (*t1_vector, mm0); /* mm0 = T1 */
- movq_m2r (*(col+offset+1*8), mm1); // mm1 = x1
- movq_r2r (mm0, mm2); // mm2 = T1
+ movq_m2r (*(col+offset+1*8), mm1); /* mm1 = x1 */
+ movq_r2r (mm0, mm2); /* mm2 = T1 */
- movq_m2r (*(col+offset+7*8), mm4); // mm4 = x7
- pmulhw_r2r (mm1, mm0); // mm0 = T1*x1
+ movq_m2r (*(col+offset+7*8), mm4); /* mm4 = x7 */
+ pmulhw_r2r (mm1, mm0); /* mm0 = T1*x1 */
- movq_m2r (*_T3, mm5); // mm5 = T3
- pmulhw_r2r (mm4, mm2); // mm2 = T1*x7
+ movq_m2r (*t3_vector, mm5); /* mm5 = T3 */
+ pmulhw_r2r (mm4, mm2); /* mm2 = T1*x7 */
- movq_m2r (*(col+offset+5*8), mm6); // mm6 = x5
- movq_r2r (mm5, mm7); // mm7 = T3-1
+ movq_m2r (*(col+offset+5*8), mm6); /* mm6 = x5 */
+ movq_r2r (mm5, mm7); /* mm7 = T3-1 */
- movq_m2r (*(col+offset+3*8), mm3); // mm3 = x3
- psubsw_r2r (mm4, mm0); // mm0 = v17
+ movq_m2r (*(col+offset+3*8), mm3); /* mm3 = x3 */
+ psubsw_r2r (mm4, mm0); /* mm0 = v17 */
- movq_m2r (*_T2, mm4); // mm4 = T2
- pmulhw_r2r (mm3, mm5); // mm5 = (T3-1)*x3
+ movq_m2r (*t2_vector, mm4); /* mm4 = T2 */
+ pmulhw_r2r (mm3, mm5); /* mm5 = (T3-1)*x3 */
- paddsw_r2r (mm2, mm1); // mm1 = u17
- pmulhw_r2r (mm6, mm7); // mm7 = (T3-1)*x5
+ paddsw_r2r (mm2, mm1); /* mm1 = u17 */
+ pmulhw_r2r (mm6, mm7); /* mm7 = (T3-1)*x5 */
/* slot */
- movq_r2r (mm4, mm2); // mm2 = T2
- paddsw_r2r (mm3, mm5); // mm5 = T3*x3
+ movq_r2r (mm4, mm2); /* mm2 = T2 */
+ paddsw_r2r (mm3, mm5); /* mm5 = T3*x3 */
- pmulhw_m2r (*(col+offset+2*8), mm4);// mm4 = T2*x2
- paddsw_r2r (mm6, mm7); // mm7 = T3*x5
+ pmulhw_m2r (*(col+offset+2*8), mm4);/* mm4 = T2*x2 */
+ paddsw_r2r (mm6, mm7); /* mm7 = T3*x5 */
- psubsw_r2r (mm6, mm5); // mm5 = v35
- paddsw_r2r (mm3, mm7); // mm7 = u35
+ psubsw_r2r (mm6, mm5); /* mm5 = v35 */
+ paddsw_r2r (mm3, mm7); /* mm7 = u35 */
- movq_m2r (*(col+offset+6*8), mm3); // mm3 = x6
- movq_r2r (mm0, mm6); // mm6 = v17
+ movq_m2r (*(col+offset+6*8), mm3); /* mm3 = x6 */
+ movq_r2r (mm0, mm6); /* mm6 = v17 */
- pmulhw_r2r (mm3, mm2); // mm2 = T2*x6
- psubsw_r2r (mm5, mm0); // mm0 = b3
+ pmulhw_r2r (mm3, mm2); /* mm2 = T2*x6 */
+ psubsw_r2r (mm5, mm0); /* mm0 = b3 */
- psubsw_r2r (mm3, mm4); // mm4 = v26
- paddsw_r2r (mm6, mm5); // mm5 = v12
+ psubsw_r2r (mm3, mm4); /* mm4 = v26 */
+ paddsw_r2r (mm6, mm5); /* mm5 = v12 */
- movq_r2m (mm0, *(col+offset+3*8)); // save b3 in scratch0
- movq_r2r (mm1, mm6); // mm6 = u17
+ movq_r2m (mm0, *(col+offset+3*8)); /* save b3 in scratch0 */
+ movq_r2r (mm1, mm6); /* mm6 = u17 */
- paddsw_m2r (*(col+offset+2*8), mm2);// mm2 = u26
- paddsw_r2r (mm7, mm6); // mm6 = b0
+ paddsw_m2r (*(col+offset+2*8), mm2);/* mm2 = u26 */
+ paddsw_r2r (mm7, mm6); /* mm6 = b0 */
- psubsw_r2r (mm7, mm1); // mm1 = u12
- movq_r2r (mm1, mm7); // mm7 = u12
+ psubsw_r2r (mm7, mm1); /* mm1 = u12 */
+ movq_r2r (mm1, mm7); /* mm7 = u12 */
- movq_m2r (*(col+offset+0*8), mm3); // mm3 = x0
- paddsw_r2r (mm5, mm1); // mm1 = u12+v12
+ movq_m2r (*(col+offset+0*8), mm3); /* mm3 = x0 */
+ paddsw_r2r (mm5, mm1); /* mm1 = u12+v12 */
- movq_m2r (*_C4, mm0); // mm0 = C4/2
- psubsw_r2r (mm5, mm7); // mm7 = u12-v12
+ movq_m2r (*c4_vector, mm0); /* mm0 = C4/2 */
+ psubsw_r2r (mm5, mm7); /* mm7 = u12-v12 */
- movq_r2m (mm6, *(col+offset+5*8)); // save b0 in scratch1
- pmulhw_r2r (mm0, mm1); // mm1 = b1/2
+ movq_r2m (mm6, *(col+offset+5*8)); /* save b0 in scratch1 */
+ pmulhw_r2r (mm0, mm1); /* mm1 = b1/2 */
- movq_r2r (mm4, mm6); // mm6 = v26
- pmulhw_r2r (mm0, mm7); // mm7 = b2/2
+ movq_r2r (mm4, mm6); /* mm6 = v26 */
+ pmulhw_r2r (mm0, mm7); /* mm7 = b2/2 */
- movq_m2r (*(col+offset+4*8), mm5); // mm5 = x4
- movq_r2r (mm3, mm0); // mm0 = x0
+ movq_m2r (*(col+offset+4*8), mm5); /* mm5 = x4 */
+ movq_r2r (mm3, mm0); /* mm0 = x0 */
- psubsw_r2r (mm5, mm3); // mm3 = v04
- paddsw_r2r (mm5, mm0); // mm0 = u04
+ psubsw_r2r (mm5, mm3); /* mm3 = v04 */
+ paddsw_r2r (mm5, mm0); /* mm0 = u04 */
- paddsw_r2r (mm3, mm4); // mm4 = a1
- movq_r2r (mm0, mm5); // mm5 = u04
+ paddsw_r2r (mm3, mm4); /* mm4 = a1 */
+ movq_r2r (mm0, mm5); /* mm5 = u04 */
- psubsw_r2r (mm6, mm3); // mm3 = a2
- paddsw_r2r (mm2, mm5); // mm5 = a0
+ psubsw_r2r (mm6, mm3); /* mm3 = a2 */
+ paddsw_r2r (mm2, mm5); /* mm5 = a0 */
- paddsw_r2r (mm1, mm1); // mm1 = b1
- psubsw_r2r (mm2, mm0); // mm0 = a3
+ paddsw_r2r (mm1, mm1); /* mm1 = b1 */
+ psubsw_r2r (mm2, mm0); /* mm0 = a3 */
- paddsw_r2r (mm7, mm7); // mm7 = b2
- movq_r2r (mm3, mm2); // mm2 = a2
+ paddsw_r2r (mm7, mm7); /* mm7 = b2 */
+ movq_r2r (mm3, mm2); /* mm2 = a2 */
- movq_r2r (mm4, mm6); // mm6 = a1
- paddsw_r2r (mm7, mm3); // mm3 = a2+b2
+ movq_r2r (mm4, mm6); /* mm6 = a1 */
+ paddsw_r2r (mm7, mm3); /* mm3 = a2+b2 */
- psraw_i2r (COL_SHIFT, mm3); // mm3 = y2
- paddsw_r2r (mm1, mm4); // mm4 = a1+b1
+ psraw_i2r (COL_SHIFT, mm3); /* mm3 = y2 */
+ paddsw_r2r (mm1, mm4); /* mm4 = a1+b1 */
- psraw_i2r (COL_SHIFT, mm4); // mm4 = y1
- psubsw_r2r (mm1, mm6); // mm6 = a1-b1
+ psraw_i2r (COL_SHIFT, mm4); /* mm4 = y1 */
+ psubsw_r2r (mm1, mm6); /* mm6 = a1-b1 */
- movq_m2r (*(col+offset+5*8), mm1); // mm1 = b0
- psubsw_r2r (mm7, mm2); // mm2 = a2-b2
+ movq_m2r (*(col+offset+5*8), mm1); /* mm1 = b0 */
+ psubsw_r2r (mm7, mm2); /* mm2 = a2-b2 */
- psraw_i2r (COL_SHIFT, mm6); // mm6 = y6
- movq_r2r (mm5, mm7); // mm7 = a0
+ psraw_i2r (COL_SHIFT, mm6); /* mm6 = y6 */
+ movq_r2r (mm5, mm7); /* mm7 = a0 */
- movq_r2m (mm4, *(col+offset+1*8)); // save y1
- psraw_i2r (COL_SHIFT, mm2); // mm2 = y5
+ movq_r2m (mm4, *(col+offset+1*8)); /* save y1 */
+ psraw_i2r (COL_SHIFT, mm2); /* mm2 = y5 */
- movq_r2m (mm3, *(col+offset+2*8)); // save y2
- paddsw_r2r (mm1, mm5); // mm5 = a0+b0
+ movq_r2m (mm3, *(col+offset+2*8)); /* save y2 */
+ paddsw_r2r (mm1, mm5); /* mm5 = a0+b0 */
- movq_m2r (*(col+offset+3*8), mm4); // mm4 = b3
- psubsw_r2r (mm1, mm7); // mm7 = a0-b0
+ movq_m2r (*(col+offset+3*8), mm4); /* mm4 = b3 */
+ psubsw_r2r (mm1, mm7); /* mm7 = a0-b0 */
- psraw_i2r (COL_SHIFT, mm5); // mm5 = y0
- movq_r2r (mm0, mm3); // mm3 = a3
+ psraw_i2r (COL_SHIFT, mm5); /* mm5 = y0 */
+ movq_r2r (mm0, mm3); /* mm3 = a3 */
- movq_r2m (mm2, *(col+offset+5*8)); // save y5
- psubsw_r2r (mm4, mm3); // mm3 = a3-b3
+ movq_r2m (mm2, *(col+offset+5*8)); /* save y5 */
+ psubsw_r2r (mm4, mm3); /* mm3 = a3-b3 */
- psraw_i2r (COL_SHIFT, mm7); // mm7 = y7
- paddsw_r2r (mm0, mm4); // mm4 = a3+b3
+ psraw_i2r (COL_SHIFT, mm7); /* mm7 = y7 */
+ paddsw_r2r (mm0, mm4); /* mm4 = a3+b3 */
- movq_r2m (mm5, *(col+offset+0*8)); // save y0
- psraw_i2r (COL_SHIFT, mm3); // mm3 = y4
+ movq_r2m (mm5, *(col+offset+0*8)); /* save y0 */
+ psraw_i2r (COL_SHIFT, mm3); /* mm3 = y4 */
- movq_r2m (mm6, *(col+offset+6*8)); // save y6
- psraw_i2r (COL_SHIFT, mm4); // mm4 = y3
+ movq_r2m (mm6, *(col+offset+6*8)); /* save y6 */
+ psraw_i2r (COL_SHIFT, mm4); /* mm4 = y3 */
- movq_r2m (mm7, *(col+offset+7*8)); // save y7
+ movq_r2m (mm7, *(col+offset+7*8)); /* save y7 */
- movq_r2m (mm3, *(col+offset+4*8)); // save y4
+ movq_r2m (mm3, *(col+offset+4*8)); /* save y4 */
- movq_r2m (mm4, *(col+offset+3*8)); // save y3
+ movq_r2m (mm4, *(col+offset+3*8)); /* save y3 */
#undef T1
#undef T2
#undef C4
}
-static int32_t rounder0[] ATTR_ALIGN(8) =
+static const int32_t rounder0[] ATTR_ALIGN(8) =
rounder ((1 << (COL_SHIFT - 1)) - 0.5);
-static int32_t rounder4[] ATTR_ALIGN(8) = rounder (0);
-static int32_t rounder1[] ATTR_ALIGN(8) =
- rounder (1.25683487303); /* C1*(C1/C4+C1+C7)/2 */
-static int32_t rounder7[] ATTR_ALIGN(8) =
- rounder (-0.25); /* C1*(C7/C4+C7-C1)/2 */
-static int32_t rounder2[] ATTR_ALIGN(8) =
- rounder (0.60355339059); /* C2 * (C6+C2)/2 */
-static int32_t rounder6[] ATTR_ALIGN(8) =
- rounder (-0.25); /* C2 * (C6-C2)/2 */
-static int32_t rounder3[] ATTR_ALIGN(8) =
- rounder (0.087788325588); /* C3*(-C3/C4+C3+C5)/2 */
-static int32_t rounder5[] ATTR_ALIGN(8) =
- rounder (-0.441341716183); /* C3*(-C5/C4+C5-C3)/2 */
+static const int32_t rounder4[] ATTR_ALIGN(8) = rounder (0);
+static const int32_t rounder1[] ATTR_ALIGN(8) =
+ rounder (1.25683487303); /* C1*(C1/C4+C1+C7)/2 */
+static const int32_t rounder7[] ATTR_ALIGN(8) =
+ rounder (-0.25); /* C1*(C7/C4+C7-C1)/2 */
+static const int32_t rounder2[] ATTR_ALIGN(8) =
+ rounder (0.60355339059); /* C2 * (C6+C2)/2 */
+static const int32_t rounder6[] ATTR_ALIGN(8) =
+ rounder (-0.25); /* C2 * (C6-C2)/2 */
+static const int32_t rounder3[] ATTR_ALIGN(8) =
+ rounder (0.087788325588); /* C3*(-C3/C4+C3+C5)/2 */
+static const int32_t rounder5[] ATTR_ALIGN(8) =
+ rounder (-0.441341716183); /* C3*(-C5/C4+C5-C3)/2 */
#undef COL_SHIFT
#undef ROW_SHIFT
-#define declare_idct(idct,table,idct_row_head,idct_row,idct_row_tail,idct_row_mid) \
-void idct (int16_t * block) \
-{ \
- static int16_t table04[] ATTR_ALIGN(16) = \
- table (22725, 21407, 19266, 16384, 12873, 8867, 4520); \
- static int16_t table17[] ATTR_ALIGN(16) = \
- table (31521, 29692, 26722, 22725, 17855, 12299, 6270); \
- static int16_t table26[] ATTR_ALIGN(16) = \
- table (29692, 27969, 25172, 21407, 16819, 11585, 5906); \
- static int16_t table35[] ATTR_ALIGN(16) = \
- table (26722, 25172, 22654, 19266, 15137, 10426, 5315); \
- \
- idct_row_head (block, 0*8, table04); \
- idct_row (table04, rounder0); \
- idct_row_mid (block, 0*8, 4*8, table04); \
- idct_row (table04, rounder4); \
- idct_row_mid (block, 4*8, 1*8, table17); \
- idct_row (table17, rounder1); \
- idct_row_mid (block, 1*8, 7*8, table17); \
- idct_row (table17, rounder7); \
- idct_row_mid (block, 7*8, 2*8, table26); \
- idct_row (table26, rounder2); \
- idct_row_mid (block, 2*8, 6*8, table26); \
- idct_row (table26, rounder6); \
- idct_row_mid (block, 6*8, 3*8, table35); \
- idct_row (table35, rounder3); \
- idct_row_mid (block, 3*8, 5*8, table35); \
- idct_row (table35, rounder5); \
- idct_row_tail (block, 5*8); \
- \
- idct_col (block, 0); \
- idct_col (block, 4); \
+#define declare_idct(idct,table,idct_row_head,idct_row,idct_row_tail,idct_row_mid) \
+void idct (int16_t * block) \
+{ \
+ static const int16_t table04[] ATTR_ALIGN(16) = \
+ table (22725, 21407, 19266, 16384, 12873, 8867, 4520); \
+ static const int16_t table17[] ATTR_ALIGN(16) = \
+ table (31521, 29692, 26722, 22725, 17855, 12299, 6270); \
+ static const int16_t table26[] ATTR_ALIGN(16) = \
+ table (29692, 27969, 25172, 21407, 16819, 11585, 5906); \
+ static const int16_t table35[] ATTR_ALIGN(16) = \
+ table (26722, 25172, 22654, 19266, 15137, 10426, 5315); \
+ \
+ idct_row_head (block, 0*8, table04); \
+ idct_row (table04, rounder0); \
+ idct_row_mid (block, 0*8, 4*8, table04); \
+ idct_row (table04, rounder4); \
+ idct_row_mid (block, 4*8, 1*8, table17); \
+ idct_row (table17, rounder1); \
+ idct_row_mid (block, 1*8, 7*8, table17); \
+ idct_row (table17, rounder7); \
+ idct_row_mid (block, 7*8, 2*8, table26); \
+ idct_row (table26, rounder2); \
+ idct_row_mid (block, 2*8, 6*8, table26); \
+ idct_row (table26, rounder6); \
+ idct_row_mid (block, 6*8, 3*8, table35); \
+ idct_row (table35, rounder3); \
+ idct_row_mid (block, 3*8, 5*8, table35); \
+ idct_row (table35, rounder5); \
+ idct_row_tail (block, 5*8); \
+ \
+ idct_col (block, 0); \
+ idct_col (block, 4); \
}
void ff_mmx_idct(DCTELEM *block);
void ff_mmxext_idct(DCTELEM *block);
declare_idct (ff_mmxext_idct, mmxext_table,
- mmxext_row_head, mmxext_row, mmxext_row_tail, mmxext_row_mid)
+ mmxext_row_head, mmxext_row, mmxext_row_tail, mmxext_row_mid)
declare_idct (ff_mmx_idct, mmx_table,
- mmx_row_head, mmx_row, mmx_row_tail, mmx_row_mid)
-
-
-
-/* in/out: mma=mma+mmb, mmb=mmb-mma */
-#define SUMSUB_BA( a, b ) \
- "paddw "#b", "#a" \n\t"\
- "paddw "#b", "#b" \n\t"\
- "psubw "#a", "#b" \n\t"
-
-#define SUMSUB_BADC( a, b, c, d ) \
- "paddw "#b", "#a" \n\t"\
- "paddw "#d", "#c" \n\t"\
- "paddw "#b", "#b" \n\t"\
- "paddw "#d", "#d" \n\t"\
- "psubw "#a", "#b" \n\t"\
- "psubw "#c", "#d" \n\t"
-
-/* in: a,b out: a,s */
-#define SUMSUBD2_AB( a, b, t, s ) \
- "movq "#a", "#s" \n\t"\
- "movq "#b", "#t" \n\t"\
- "psraw $1 , "#b" \n\t"\
- "psraw $1 , "#s" \n\t"\
- "paddw "#b", "#a" \n\t"\
- "psubw "#t", "#s" \n\t"
-
-#define IDCT4_1D( s02, s13, d02, d13, t, u ) \
- SUMSUB_BA ( s02, d02 )\
- SUMSUBD2_AB( s13, d13, u, t )\
- SUMSUB_BADC( s13, s02, t, d02 )
-
-#define SBUTTERFLY( a, b, t, n ) \
- "movq "#a", "#t" \n\t" /* abcd */\
- "punpckl"#n" "#b", "#a" \n\t" /* aebf */\
- "punpckh"#n" "#b", "#t" \n\t" /* cgdh */
-
-#define TRANSPOSE4( a, b, c, d, t ) \
- SBUTTERFLY( a, b, t, wd ) /* a=aebf t=cgdh */\
- SBUTTERFLY( c, d, b, wd ) /* c=imjn b=kolp */\
- SBUTTERFLY( a, c, d, dq ) /* a=aeim d=bfjn */\
- SBUTTERFLY( t, b, c, dq ) /* t=cgko c=dhlp */
-
-#define STORE_DIFF_4P( p, t, pw32, z, dst ) \
- asm volatile(\
- "psraw $6, "#p" \n\t"\
- "movd (%0), "#t" \n\t"\
- "punpcklbw "#z", "#t" \n\t"\
- "paddsw "#t", "#p" \n\t"\
- "packuswb "#z", "#p" \n\t"\
- "movd "#p", (%0) \n\t" :: "r"(dst) )
-
-static const uint64_t ff_pw_32 attribute_used __attribute__ ((aligned(8))) = 0x0020002000200020ULL;
-
-void ff_h264_idct_add_mmx2(uint8_t *dst, int16_t *block, int stride)
-{
- /* Load dct coeffs */
- asm volatile(
- "movq (%0), %%mm0 \n\t"
- "movq 8(%0), %%mm1 \n\t"
- "movq 16(%0), %%mm2 \n\t"
- "movq 24(%0), %%mm3 \n\t"
- :: "r"(block) );
-
- asm volatile(
- /* mm1=s02+s13 mm2=s02-s13 mm4=d02+d13 mm0=d02-d13 */
- IDCT4_1D( %%mm2, %%mm1, %%mm0, %%mm3, %%mm4, %%mm5 )
-
- "movq ff_pw_32, %%mm6 \n\t"
- /* in: 1,4,0,2 out: 1,2,3,0 */
- TRANSPOSE4( %%mm1, %%mm4, %%mm0, %%mm2, %%mm3 )
+ mmx_row_head, mmx_row, mmx_row_tail, mmx_row_mid)
- "paddw %%mm6, %%mm1 \n\t"
-
- /* mm2=s02+s13 mm3=s02-s13 mm4=d02+d13 mm1=d02-d13 */
- IDCT4_1D( %%mm3, %%mm2, %%mm1, %%mm0, %%mm4, %%mm5 )
-
- /* in: 2,4,1,3 out: 2,3,0,1 */
- TRANSPOSE4( %%mm2, %%mm4, %%mm1, %%mm3, %%mm0 )
-
- "pxor %%mm7, %%mm7 \n\t"
- :: );
-
- STORE_DIFF_4P( %%mm2, %%mm4, %%mm6, %%mm7, &dst[0*stride] );
- STORE_DIFF_4P( %%mm3, %%mm4, %%mm6, %%mm7, &dst[1*stride] );
- STORE_DIFF_4P( %%mm0, %%mm4, %%mm6, %%mm7, &dst[2*stride] );
- STORE_DIFF_4P( %%mm1, %%mm4, %%mm6, %%mm7, &dst[3*stride] );
-}
projects / ffmpeg / blobdiff