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commit 8bea614d987e481c5e912588c50dbdc9920f87f7 Author: Andreas Rheinhardt <[email protected]> AuthorDate: Sat Jul 11 09:43:26 2026 +0200 Commit: Andreas Rheinhardt <[email protected]> CommitDate: Tue Jul 14 10:01:08 2026 +0200 avcodec/x86/sbcdsp: Avoid shift Signed-off-by: Andreas Rheinhardt <[email protected]> --- libavcodec/x86/sbcdsp.asm | 11 ++++------- 1 file changed, 4 insertions(+), 7 deletions(-) diff --git a/libavcodec/x86/sbcdsp.asm b/libavcodec/x86/sbcdsp.asm index 7742d6d316..a76c6b981e 100644 --- a/libavcodec/x86/sbcdsp.asm +++ b/libavcodec/x86/sbcdsp.asm @@ -39,13 +39,10 @@ SECTION .text mov%6 %4, [inq+%5+mmsize] %if %5 == 0 pcmpeqd m0, m0 - psrld m0, 31 + pslld m0, 15 ; -1 << (SBC_PROTO_FIXED_SCALE - 1) as dword %endif pmaddwd %3, [constsq+%5] pmaddwd %4, [constsq+%5+mmsize] -%if %5 == 0 - pslld m0, 15 ; 1 << (SBC_PROTO_FIXED_SCALE - 1) as dword -%endif NIDN paddd, %1, %3 NIDN paddd, %2, %4 %endmacro @@ -58,7 +55,7 @@ cglobal sbc_analyze_4, 3, 3, 5, in, out, consts ANALYZE_MAC m1, m2, m1, m2, 0, u ANALYZE_MAC m1, m2, m3, m4, 32, u movu m3, [inq+64] - paddd m1, m0 + psubd m1, m0 pmaddwd m3, [constsq+64] paddd m1, m2 paddd m1, m3 @@ -83,10 +80,10 @@ INIT_XMM sse2 cglobal sbc_analyze_8, 3, 3, 6, in, out, consts ANALYZE_MAC m1, m2, m1, m2, 0, a ANALYZE_MAC m1, m2, m3, m4, 32, a - paddd m1, m0 + psubd m1, m0 ANALYZE_MAC m1, m2, m3, m4, 64, a ANALYZE_MAC m1, m2, m3, m4, 96, a - paddd m2, m0 + psubd m2, m0 ANALYZE_MAC m1, m2, m3, m4, 128, a psrad m1, 16 _______________________________________________ ffmpeg-cvslog mailing list -- [email protected] To unsubscribe send an email to [email protected]
