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Unified Diff: source/libvpx/vp8/encoder/arm/armv6/vp8_sad16x16_armv6.asm

Issue 7671004: Update libvpx snapshot to v0.9.7-p1 (Cayuga). (Closed) Base URL: svn://chrome-svn/chrome/trunk/deps/third_party/libvpx/
Patch Set: '' Created 9 years, 4 months ago
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Index: source/libvpx/vp8/encoder/arm/armv6/vp8_sad16x16_armv6.asm
===================================================================
--- source/libvpx/vp8/encoder/arm/armv6/vp8_sad16x16_armv6.asm (revision 96967)
+++ source/libvpx/vp8/encoder/arm/armv6/vp8_sad16x16_armv6.asm (working copy)
@@ -24,6 +24,12 @@
; stack max_sad (not used)
|vp8_sad16x16_armv6| PROC
stmfd sp!, {r4-r12, lr}
+
+ pld [r0, r1, lsl #0]
+ pld [r2, r3, lsl #0]
+ pld [r0, r1, lsl #1]
+ pld [r2, r3, lsl #1]
+
mov r4, #0 ; sad = 0;
mov r5, #8 ; loop count
@@ -45,6 +51,9 @@
add r0, r0, r1 ; set src pointer to next row
add r2, r2, r3 ; set dst pointer to next row
+ pld [r0, r1, lsl #1]
+ pld [r2, r3, lsl #1]
+
usada8 r4, r10, r12, r4 ; calculate sad for 4 pixels
usada8 r8, r11, lr, r8 ; calculate sad for 4 pixels
@@ -70,6 +79,9 @@
usada8 r4, r10, r12, r4 ; calculate sad for 4 pixels
usada8 r8, r11, lr, r8 ; calculate sad for 4 pixels
+ pld [r0, r1, lsl #1]
+ pld [r2, r3, lsl #1]
+
subs r5, r5, #1 ; decrement loop counter
add r4, r4, r8 ; add partial sad values

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