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authorClément Bœsch <u@pkh.me>2014-02-05 07:21:11 +0100
committerClément Bœsch <u@pkh.me>2014-02-05 07:21:11 +0100
commit97dde561dec0d5d8ba5c3da2264298191d500ead (patch)
tree18afaeb92b7708da77cc930dd65c6fb0c8c36ddd
parent9a3b05b0a98952f13125fe45a4c0f68464b5942f (diff)
downloadffmpeg-97dde561dec0d5d8ba5c3da2264298191d500ead.tar.gz
x86/vp9lpf: remove braindead double pxor.
-rw-r--r--libavcodec/x86/vp9lpf.asm10
1 files changed, 5 insertions, 5 deletions
diff --git a/libavcodec/x86/vp9lpf.asm b/libavcodec/x86/vp9lpf.asm
index 8702f59f53..230583237c 100644
--- a/libavcodec/x86/vp9lpf.asm
+++ b/libavcodec/x86/vp9lpf.asm
@@ -59,8 +59,10 @@ SECTION .text
%endmacro
; %1 = %1<=%2
-%macro CMP_LTE 4 ; src/dst, cmp, tmp, pb_80
+%macro CMP_LTE 3-4 ; src/dst, cmp, tmp, pb_80
+%if %0 == 4
pxor %1, %4
+%endif
pcmpgtb %3, %2, %1 ; cmp > src?
pcmpeqb %1, %2 ; cmp == src? XXX: avoid this with a -1/+1 well placed?
por %1, %3 ; cmp >= src?
@@ -480,15 +482,13 @@ SECTION .text
pxor m7, m8
pxor m4, m8
pcmpgtb m0, m4, m7 ; abs(p1 - p0) > H (1/2 hev condition)
- pxor m4, m8
- CMP_LTE m4, m6, m5, m8 ; abs(p1 - p0) <= 1
+ CMP_LTE m4, m6, m5 ; abs(p1 - p0) <= 1
pand m2, m4 ; (flat8in)
ABSSUB m4, m13, m12, m1 ; abs(q1 - q0)
pxor m4, m8
pcmpgtb m5, m4, m7 ; abs(q1 - q0) > H (2/2 hev condition)
por m0, m5 ; hev final value
- pxor m4, m8
- CMP_LTE m4, m6, m5, m8 ; abs(q1 - q0) <= 1
+ CMP_LTE m4, m6, m5 ; abs(q1 - q0) <= 1
pand m2, m4 ; (flat8in)
ABSSUB_CMP m1, m14, m12, m6, m4, m5, m8 ; abs(q2 - q0) <= 1
pand m2, m1