source/scale_neon64.cc - Issue 2093913004: rounding for arm filter

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Unified Diff: source/scale_neon64.cc

Issue 2093913004: rounding for arm filter (Closed) Base URL: https://chromium.googlesource.com/libyuv/libyuv@master

Patch Set: arm or aarch64 Created 4 years, 6 months ago

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Index: source/scale_neon64.cc

diff --git a/source/scale_neon64.cc b/source/scale_neon64.cc

index 3a62db5b8d569b52901b539a8c0e98ccba3e4742..ff277f26ff6e46fa829965c4a7d4021725781b3e 100644

--- a/source/scale_neon64.cc

+++ b/source/scale_neon64.cc

@@ -626,8 +626,8 @@ void ScaleFilterCols_NEON(uint8* dst_ptr, const uint8* src_ptr,

"ushll2 v6.4s, v6.8h, #0 \n"

"mul v16.4s, v16.4s, v7.4s \n"

"mul v17.4s, v17.4s, v6.4s \n"

- "shrn v6.4h, v16.4s, #16 \n"

- "shrn2 v6.8h, v17.4s, #16 \n"

+ "rshrn v6.4h, v16.4s, #16 \n"

+ "rshrn2 v6.8h, v17.4s, #16 \n"

"add v4.8h, v4.8h, v6.8h \n"

"xtn v4.8b, v4.8h \n"

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