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authorDiego Biurrun <diego@biurrun.de>2005-12-22 01:10:11 +0000
committerDiego Biurrun <diego@biurrun.de>2005-12-22 01:10:11 +0000
commitbb270c0896b39e1ae9277355e3c120ed3feb64a3 (patch)
treefc2fc2b1216d19acb3879abb6ea5a3b400f43fe4 /libavcodec/i386/idct_mmx.c
parent50827fcf44f34521df4708cdb633809b56fb9df3 (diff)
downloadffmpeg-bb270c0896b39e1ae9277355e3c120ed3feb64a3.tar.gz
COSMETICS: tabs --> spaces, some prettyprinting
Originally committed as revision 4764 to svn://svn.ffmpeg.org/ffmpeg/trunk
Diffstat (limited to 'libavcodec/i386/idct_mmx.c')
-rw-r--r--libavcodec/i386/idct_mmx.c514
1 files changed, 257 insertions, 257 deletions
diff --git a/libavcodec/i386/idct_mmx.c b/libavcodec/i386/idct_mmx.c
index d1a84549d0..2b884fd832 100644
--- a/libavcodec/i386/idct_mmx.c
+++ b/libavcodec/i386/idct_mmx.c
@@ -38,7 +38,7 @@
#if 0
/* C row IDCT - its 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;
@@ -77,241 +77,241 @@ static inline void idct_row (int16_t * row, int offset,
/* 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, 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 (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, const 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, 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 (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, const 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
}
@@ -403,132 +403,132 @@ static inline void idct_col (int16_t * col, int offset)
/* column code adapted from peter gubanov */
/* http://www.elecard.com/peter/idct.shtml */
- movq_m2r (*_T1, mm0); // mm0 = T1
+ movq_m2r (*_T1, 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, 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, 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
+ 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_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, 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
@@ -540,61 +540,61 @@ static const int32_t rounder0[] ATTR_ALIGN(8) =
rounder ((1 << (COL_SHIFT - 1)) - 0.5);
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 */
+ 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 */
+ rounder (-0.25); /* C1*(C7/C4+C7-C1)/2 */
static const int32_t rounder2[] ATTR_ALIGN(8) =
- rounder (0.60355339059); /* C2 * (C6+C2)/2 */
+ rounder (0.60355339059); /* C2 * (C6+C2)/2 */
static const int32_t rounder6[] ATTR_ALIGN(8) =
- rounder (-0.25); /* C2 * (C6-C2)/2 */
+ rounder (-0.25); /* C2 * (C6-C2)/2 */
static const int32_t rounder3[] ATTR_ALIGN(8) =
- rounder (0.087788325588); /* C3*(-C3/C4+C3+C5)/2 */
+ 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 */
+ 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 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); \
+#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)
+ mmx_row_head, mmx_row, mmx_row_tail, mmx_row_mid)