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avcodec/x86/hpeldsp: Don't use saturated addition when unnecessary

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The numbers here are small (sums of values unpacked from bytes).

Signed-off-by: Andreas Rheinhardt <andreas.rheinhardt@outlook.com>
This commit is contained in:
Andreas Rheinhardt
2025-10-30 10:44:41 +01:00
parent 2be1b2ea96
commit c5e94a564c
1 changed files with 24 additions and 24 deletions
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48
libavcodec/x86/hpeldsp.asm
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@@ -423,11 +423,11 @@ cglobal %1%3_pixels8_xy2, 4,5,5
punpcklbw m0, m1
pmaddubsw m0, m4
%ifidn %3, _no_rnd
paddusw m2, m3
paddusw m2, m0
paddw m2, m3
paddw m2, m0
psrlw m2, 2
%else
paddusw m2, m0
paddw m2, m0
pmulhrsw m2, m3
%endif
%ifidn %1, avg
@@ -445,11 +445,11 @@ cglobal %1%3_pixels8_xy2, 4,5,5
punpcklbw m2, m1
pmaddubsw m2, m4
%ifidn %3, _no_rnd
paddusw m0, m3
paddusw m0, m2
paddw m0, m3
paddw m0, m2
psrlw m0, 2
%else
paddusw m0, m2
paddw m0, m2
pmulhrsw m0, m3
%endif
%ifidn %1, avg
@@ -485,8 +485,8 @@ cglobal %1%3_pixels16_xy2, 4,5,8
punpcklbw m4, m7
punpckhbw m1, m7
punpckhbw m5, m7
paddusw m4, m0
paddusw m5, m1
paddw m4, m0
paddw m5, m1
xor r4, r4
add r1, r2
.loop:
@@ -498,12 +498,12 @@ cglobal %1%3_pixels16_xy2, 4,5,8
punpcklbw m2, m7
punpckhbw m1, m7
punpckhbw m3, m7
paddusw m0, m2
paddusw m1, m3
paddusw m4, m6
paddusw m5, m6
paddusw m4, m0
paddusw m5, m1
paddw m0, m2
paddw m1, m3
paddw m4, m6
paddw m5, m6
paddw m4, m0
paddw m5, m1
psrlw m4, 2
psrlw m5, 2
%ifidn %1, avg
@@ -524,12 +524,12 @@ cglobal %1%3_pixels16_xy2, 4,5,8
punpcklbw m4, m7
punpckhbw m3, m7
punpckhbw m5, m7
paddusw m4, m2
paddusw m5, m3
paddusw m0, m6
paddusw m1, m6
paddusw m0, m4
paddusw m1, m5
paddw m4, m2
paddw m5, m3
paddw m0, m6
paddw m1, m6
paddw m0, m4
paddw m1, m5
psrlw m0, 2
psrlw m1, 2
%ifidn %1, avg
@@ -567,8 +567,8 @@ cglobal %1_pixels16_xy2, 4,5,%2
movu m3, [r1+r4+1]
pmaddubsw m2, m5
pmaddubsw m3, m5
paddusw m0, m2
paddusw m1, m3
paddw m0, m2
paddw m1, m3
pmulhrsw m0, [pw_8192]
pmulhrsw m1, [pw_8192]
%ifidn %1, avg
@@ -587,8 +587,8 @@ cglobal %1_pixels16_xy2, 4,5,%2
movu m1, [r1+r4+1]
pmaddubsw m0, m5
pmaddubsw m1, m5
paddusw m2, m0
paddusw m3, m1
paddw m2, m0
paddw m3, m1
pmulhrsw m2, [pw_8192]
pmulhrsw m3, [pw_8192]
%ifidn %1, avg