x86/float_dsp: zero extend len from ff_butterflies_float_sse implicitly

Reviewed-by: Christophe Gisquet <christophe.gisquet@gmail.com> Signed-off-by: James Almer <jamrial@gmail.com>
2016-01-08 12:08:42 -03:00 · 2016-01-08 12:08:42 -03:00 · 4ee38ed7f9
parent 7f520524f6
commit 4ee38ed7f9
1 changed files with 1 additions and 4 deletions
--- a/libavutil/x86/float_dsp.asm
+++ b/libavutil/x86/float_dsp.asm
@ -359,10 +359,7 @@ cglobal scalarproduct_float, 3,3,2, v1, v2, offset
 ;-----------------------------------------------------------------------------
 INIT_XMM sse
 cglobal butterflies_float, 3,3,3, src0, src1, len
-%if ARCH_X86_64
-    movsxd    lenq, lend
-%endif
-    shl       lenq, 2
+    shl       lend, 2
    add      src0q, lenq
    add      src1q, lenq
    neg       lenq