x86: proresdsp: improve SIGNEXTEND macro comments

13 years ago · 03737412a3
parent 81905088a1
commit 03737412a3
1 changed files with 3 additions and 3 deletions
--- a/libavcodec/x86/proresdsp.asm
+++ b/libavcodec/x86/proresdsp.asm
@ -405,12 +405,12 @@ cglobal prores_idct_put_10, 4, 4, %1
    RET
 %endmacro

-%macro SIGNEXTEND 2-3 ; dstlow, dsthigh, tmp
-%if cpuflag(sse4)
+%macro SIGNEXTEND 2-3
+%if cpuflag(sse4) ; dstlow, dsthigh
    movhlps     %2,  %1
    pmovsxwd    %1,  %1
    pmovsxwd    %2,  %2
-%else ; sse2
+%elif cpuflag(sse2) ; dstlow, dsthigh, tmp
    pxor        %3,  %3
    pcmpgtw     %3,  %1
    mova        %2,  %1