arm: vp9lpf: Use orrs instead of orr+cmp

Signed-off-by: Martin Storsjö <martin@martin.st>
8 years ago · 435cd7bc99
parent e1f9de86f4
commit 435cd7bc99
1 changed files with 4 additions and 8 deletions
--- a/libavcodec/arm/vp9lpf_neon.S
+++ b/libavcodec/arm/vp9lpf_neon.S
@ -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