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x86/vp9lpf: remove braindead double pxor.

This commit is contained in:
Clément Bœsch 2014-02-05 07:21:11 +01:00
parent 9a3b05b0a9
commit 97dde561de
1 changed files with 5 additions and 5 deletions
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10
libavcodec/x86/vp9lpf.asm
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@ -59,8 +59,10 @@ SECTION .text
%endmacro %endmacro
; %1 = %1<=%2 ; %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 pxor %1, %4
%endif
pcmpgtb %3, %2, %1 ; cmp > src? pcmpgtb %3, %2, %1 ; cmp > src?
pcmpeqb %1, %2 ; cmp == src? XXX: avoid this with a -1/+1 well placed? pcmpeqb %1, %2 ; cmp == src? XXX: avoid this with a -1/+1 well placed?
por %1, %3 ; cmp >= src? por %1, %3 ; cmp >= src?
@ -480,15 +482,13 @@ SECTION .text
pxor m7, m8 pxor m7, m8
pxor m4, m8 pxor m4, m8
pcmpgtb m0, m4, m7 ; abs(p1 - p0) > H (1/2 hev condition) pcmpgtb m0, m4, m7 ; abs(p1 - p0) > H (1/2 hev condition)
pxor m4, m8 CMP_LTE m4, m6, m5 ; abs(p1 - p0) <= 1
CMP_LTE m4, m6, m5, m8 ; abs(p1 - p0) <= 1
pand m2, m4 ; (flat8in) pand m2, m4 ; (flat8in)
ABSSUB m4, m13, m12, m1 ; abs(q1 - q0) ABSSUB m4, m13, m12, m1 ; abs(q1 - q0)
pxor m4, m8 pxor m4, m8
pcmpgtb m5, m4, m7 ; abs(q1 - q0) > H (2/2 hev condition) pcmpgtb m5, m4, m7 ; abs(q1 - q0) > H (2/2 hev condition)
por m0, m5 ; hev final value por m0, m5 ; hev final value
pxor m4, m8 CMP_LTE m4, m6, m5 ; abs(q1 - q0) <= 1
CMP_LTE m4, m6, m5, m8 ; abs(q1 - q0) <= 1
pand m2, m4 ; (flat8in) pand m2, m4 ; (flat8in)
ABSSUB_CMP m1, m14, m12, m6, m4, m5, m8 ; abs(q2 - q0) <= 1 ABSSUB_CMP m1, m14, m12, m6, m4, m5, m8 ; abs(q2 - q0) <= 1
pand m2, m1 pand m2, m1