Module: libav
Branch: release/11
Commit: 3792f8c5599a2c0bddd88da21df97e424c138851
Author: Anton Khirnov <an...@khirnov.net>
Committer: Anton Khirnov <an...@khirnov.net>
Date: Tue Aug 9 14:17:15 2016 +0200
audiodsp/x86: clear the high bits of the order parameter on 64bit
Also change shl to add, since it can be faster on some CPUs.
CC: libav-sta...@libav.org
(cherry picked from commit 75d98e30afab61542faab3c0f11880834653bd6b)
Signed-off-by: Anton Khirnov <an...@khirnov.net>
---
libavcodec/x86/audiodsp.asm | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/libavcodec/x86/audiodsp.asm b/libavcodec/x86/audiodsp.asm
index 51afbd9..6b02193 100644
--- a/libavcodec/x86/audiodsp.asm
+++ b/libavcodec/x86/audiodsp.asm
@@ -26,7 +26,7 @@ SECTION_TEXT
%macro SCALARPRODUCT 0
; int ff_scalarproduct_int16(int16_t *v1, int16_t *v2, int order)
cglobal scalarproduct_int16, 3,3,3, v1, v2, order
- shl orderq, 1
+ add orderd, orderd
add v1q, orderq
add v2q, orderq
neg orderq
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