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arm: vp9lpf: Use orrs instead of orr+cmp

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This is cherrypicked from libav commit
435cd7bc99.

Signed-off-by: Martin Storsjö <martin@martin.st>
This commit is contained in:
Martin Storsjö 2017-01-13 23:42:28 +02:00
parent f0ecbb13cf
commit 92ab8374b1
1 changed files with 4 additions and 8 deletions
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12
libavcodec/arm/vp9lpf_neon.S
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@ -78,8 +78,7 @@
vdup.u8 d3, r3 @ H
vmov r2, r3, d4
orr r2, r2, r3
cmp r2, #0
orrs r2, r2, r3
@ If no pixels need filtering, just exit as soon as possible
beq 9f
@ -192,8 +191,7 @@
.if \wd >= 8
vmov r2, r3, d6
orr r2, r2, r3
cmp r2, #0
orrs r2, r2, r3
@ If no pixels need flat8in, jump to flat8out
@ (or to a writeout of the inner 4 pixels, for wd=8)
beq 6f
@ -248,14 +246,12 @@
6:
vorr d2, d6, d7
vmov r2, r3, d2
orr r2, r2, r3
cmp r2, #0
orrs r2, r2, r3
@ If no pixels needed flat8in nor flat8out, jump to a
@ writeout of the inner 4 pixels
beq 7f
vmov r2, r3, d7
orr r2, r2, r3
cmp r2, #0
orrs r2, r2, r3
@ If no pixels need flat8out, jump to a writeout of the inner 6 pixels
beq 8f