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-stable@libav.org
2016-08-09 14:17:15 +02:00 · 2016-08-09 14:17:15 +02:00 · 75d98e30af
parent 1d6c76e11f
commit 75d98e30af
1 changed files with 1 additions and 1 deletions
--- 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