ref: 05d2081d38da99dabcf8c0b9b99d2e2edb421990
parent: cacea00facd93087ec9c65c603b7d5024309e3b4
author: hkuang <hkuang@google.com>
date: Sun Jan 26 05:37:06 EST 2014
Fix the vp9_tm_predictor_8x8_neon. Change-Id: I832cf83871044bfee7b7e57dbd31bae05cbd53e9
--- a/vp9/common/arm/neon/vp9_reconintra_neon.asm
+++ b/vp9/common/arm/neon/vp9_reconintra_neon.asm
@@ -347,29 +347,32 @@
ldrb r12, [r12]
vdup.u8 d0, r12
+ ; preload 8 left
+ vld1.8 d30, [r3]
+
; Load above 8 pixels
vld1.64 {d2}, [r2]+ vmovl.u8 q10, d30
+
; Compute above - ytop_left
vsubl.u8 q3, d2, d0
; Load left row by row and compute left + (above - ytop_left)
- vld1.u8 {d6}, [r3]-
; 1st row and 2nd row
- vdup.u8 d0, d6[0]
- vdup.u8 d1, d6[1]
- vaddw.s16 q1, q3, d0
- vaddw.s16 q2, q3, d1
+ vdup.16 q0, d20[0]
+ vdup.16 q1, d20[1]
+ vadd.s16 q0, q3, q0
+ vadd.s16 q1, q3, q1
; 3rd row and 4th row
- vdup.u8 d0, d6[2]
- vdup.u8 d1, d6[3]
- vaddw.s16 q8, q3, d0
- vaddw.s16 q9, q3, d1
+ vdup.16 q8, d20[2]
+ vdup.16 q9, d20[3]
+ vadd.s16 q8, q3, q8
+ vadd.s16 q9, q3, q9
- vqshrun.s16 d0, q1, #0
- vqshrun.s16 d1, q2, #0
+ vqshrun.s16 d0, q0, #0
+ vqshrun.s16 d1, q1, #0
vqshrun.s16 d2, q8, #0
vqshrun.s16 d3, q9, #0
@@ -379,19 +382,19 @@
vst1.64 {d3}, [r0], r1; 5th row and 6th row
- vdup.u8 d0, d6[4]
- vdup.u8 d1, d6[5]
- vaddw.s16 q1, q3, d0
- vaddw.s16 q2, q3, d1
+ vdup.16 q0, d21[0]
+ vdup.16 q1, d21[1]
+ vadd.s16 q0, q3, q0
+ vadd.s16 q1, q3, q1
- ; 7rd row and 8th row
- vdup.u8 d0, d6[6]
- vdup.u8 d1, d6[7]
- vaddw.s16 q8, q3, d0
- vaddw.s16 q9, q3, d1
+ ; 7th row and 8th row
+ vdup.16 q8, d21[2]
+ vdup.16 q9, d21[3]
+ vadd.s16 q8, q3, q8
+ vadd.s16 q9, q3, q9
- vqshrun.s16 d0, q1, #0
- vqshrun.s16 d1, q2, #0
+ vqshrun.s16 d0, q0, #0
+ vqshrun.s16 d1, q1, #0
vqshrun.s16 d2, q8, #0
vqshrun.s16 d3, q9, #0
--
⑨