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avcodec/x86/me_cmp: Avoid unnecessary instruction

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Reviewed-by: Lynne <dev@lynne.ee>
Signed-off-by: Andreas Rheinhardt <andreas.rheinhardt@outlook.com>
This commit is contained in:
Andreas Rheinhardt
2025-11-02 17:43:10 +01:00
parent d058d5db10
commit 87cfbcb74a
1 changed files with 2 additions and 4 deletions
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6
libavcodec/x86/me_cmp.asm
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@@ -282,9 +282,6 @@ HADAMARD8_DIFF 9
%macro SUM_SQUARED_ERRORS 1 %macro SUM_SQUARED_ERRORS 1
cglobal sse%1, 5,5,8, v, pix1, pix2, lsize, h cglobal sse%1, 5,5,8, v, pix1, pix2, lsize, h
%if %1 == mmsize
shr hd, 1
%endif
pxor m0, m0 ; mm0 = 0 pxor m0, m0 ; mm0 = 0
pxor m7, m7 ; mm7 holds the sum pxor m7, m7 ; mm7 holds the sum
@@ -334,11 +331,12 @@ cglobal sse%1, 5,5,8, v, pix1, pix2, lsize, h
%if %1 == mmsize %if %1 == mmsize
lea pix1q, [pix1q + 2*lsizeq] lea pix1q, [pix1q + 2*lsizeq]
lea pix2q, [pix2q + 2*lsizeq] lea pix2q, [pix2q + 2*lsizeq]
sub hd, 2
%else %else
add pix1q, lsizeq add pix1q, lsizeq
add pix2q, lsizeq add pix2q, lsizeq
%endif
dec hd dec hd
%endif
jnz .next2lines jnz .next2lines
HADDD m7, m1 HADDD m7, m1