ref: cddbdeabd00e212d5eb3b67c9d09f40e499163d2
parent: c38d0490b3ecfa4f9a6c4613490ff8ce76569df6
parent: 8f9d94ec17eea893ce35188416a9492317119d77
author: Yunqing Wang <yunqingwang@google.com>
date: Mon Dec 8 08:34:53 EST 2014
Merge "SSSE3 Optimization for Atom processors using new instruction selection and ordering"
--- a/vp9/common/x86/vp9_subpixel_8t_ssse3.asm
+++ b/vp9/common/x86/vp9_subpixel_8t_ssse3.asm
@@ -765,40 +765,50 @@
movq xmm0, [rsi - 3] ;load src data
movq xmm4, [rsi + 5]
- movq xmm7, [rsi + 13]
+ movq xmm6, [rsi + 13]
punpcklqdq xmm0, xmm4
- punpcklqdq xmm4, xmm7
+ punpcklqdq xmm4, xmm6
+ movdqa xmm7, xmm0
+
+ punpcklbw xmm7, xmm7
+ punpckhbw xmm0, xmm0
movdqa xmm1, xmm0
movdqa xmm2, xmm0
movdqa xmm3, xmm0
- movdqa xmm5, xmm4
- movdqa xmm6, xmm4
- movdqa xmm7, xmm4
- pshufb xmm0, [GLOBAL(shuf_t0t1)]
- pshufb xmm1, [GLOBAL(shuf_t2t3)]
- pshufb xmm2, [GLOBAL(shuf_t4t5)]
- pshufb xmm3, [GLOBAL(shuf_t6t7)]
- pshufb xmm4, [GLOBAL(shuf_t0t1)]
- pshufb xmm5, [GLOBAL(shuf_t2t3)]
- pshufb xmm6, [GLOBAL(shuf_t4t5)]
- pshufb xmm7, [GLOBAL(shuf_t6t7)]
-
+ palignr xmm0, xmm7, 1
+ palignr xmm1, xmm7, 5
pmaddubsw xmm0, k0k1
+ palignr xmm2, xmm7, 9
pmaddubsw xmm1, k2k3
+ palignr xmm3, xmm7, 13
+
pmaddubsw xmm2, k4k5
pmaddubsw xmm3, k6k7
- pmaddubsw xmm4, k0k1
- pmaddubsw xmm5, k2k3
- pmaddubsw xmm6, k4k5
- pmaddubsw xmm7, k6k7
-
paddsw xmm0, xmm3
+
+ movdqa xmm3, xmm4
+ punpcklbw xmm3, xmm3
+ punpckhbw xmm4, xmm4
+
+ movdqa xmm5, xmm4
+ movdqa xmm6, xmm4
+ movdqa xmm7, xmm4
+
+ palignr xmm4, xmm3, 1
+ palignr xmm5, xmm3, 5
+ palignr xmm6, xmm3, 9
+ palignr xmm7, xmm3, 13
+
movdqa xmm3, xmm1
+ pmaddubsw xmm4, k0k1
pmaxsw xmm1, xmm2
+ pmaddubsw xmm5, k2k3
pminsw xmm2, xmm3
+ pmaddubsw xmm6, k4k5
paddsw xmm0, xmm2
+ pmaddubsw xmm7, k6k7
paddsw xmm0, xmm1
paddsw xmm4, xmm7
--
⑨