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vp9_reconintra_neon_asm/tm: simplify above_left load

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use vld1.8 {d0[]}, [r0] rather than ldrb+vdup; mildly faster

Change-Id: I5c24d49a90c2855c94395184774b289da8e9d5a7
This commit is contained in:
James Zern 2015-05-29 18:56:16 -07:00
parent 7544e766e4
commit b337c54cc4
1 changed files with 6 additions and 9 deletions
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15
vp9/common/arm/neon/vp9_reconintra_neon_asm.asm
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@ -345,8 +345,7 @@ loop_h
|vp9_tm_predictor_8x8_neon| PROC
; Load ytop_left = above[-1];
sub r12, r2, #1
ldrb r12, [r12]
vdup.u8 d0, r12
vld1.8 {d0[]}, [r12]
; preload 8 left
vld1.8 {d30}, [r3]
@ -418,8 +417,7 @@ loop_h
|vp9_tm_predictor_16x16_neon| PROC
; Load ytop_left = above[-1];
sub r12, r2, #1
ldrb r12, [r12]
vdup.u8 q0, r12
vld1.8 {d0[]}, [r12]
; Load above 8 pixels
vld1.8 {q1}, [r2]
@ -429,7 +427,7 @@ loop_h
; Compute above - ytop_left
vsubl.u8 q2, d2, d0
vsubl.u8 q3, d3, d1
vsubl.u8 q3, d3, d0
vmovl.u8 q10, d18
@ -512,8 +510,7 @@ loop_16x16_neon
|vp9_tm_predictor_32x32_neon| PROC
; Load ytop_left = above[-1];
sub r12, r2, #1
ldrb r12, [r12]
vdup.u8 q0, r12
vld1.8 {d0[]}, [r12]
; Load above 32 pixels
vld1.8 {q1}, [r2]!
@ -524,9 +521,9 @@ loop_16x16_neon
; Compute above - ytop_left
vsubl.u8 q8, d2, d0
vsubl.u8 q9, d3, d1
vsubl.u8 q9, d3, d0
vsubl.u8 q10, d4, d0
vsubl.u8 q11, d5, d1
vsubl.u8 q11, d5, d0
vmovl.u8 q3, d26