avcodec/x86/hevc_deblock: add %ifs to avoid "do nothing instructions"

cherry picked from commit f7843356253459e6010320292dbbc1e888a5249b Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
11 years ago · 500a0394d5
parent 7a4cf67117
commit 500a0394d5
1 changed files with 4 additions and 0 deletions
--- a/libavcodec/x86/hevc_deblock.asm
+++ b/libavcodec/x86/hevc_deblock.asm
@ -353,12 +353,16 @@ ALIGN 16

    ;beta calculations
    mov             r11, [betaq];
+%if %1 > 8
    shl             r11, %1 - 8
+%endif
    movd            m13, r11d; beta0
    add           betaq, 4;
    punpcklwd       m13, m13
    mov             r12, [betaq];
+%if %1 > 8
    shl             r12, %1 - 8
+%endif
    movd            m14, r12d; beta1
    punpcklwd       m14, m14
    pshufd          m13, m14, 0; beta0, beta1