Commit b27a6cac authored by Aurelien Jarno's avatar Aurelien Jarno
Browse files

target-i386: SSE4.2: fix pcmpXstrX instructions in "Equal each" mode 



pcmpXstrX instructions in "Equal each" mode force both invalid element
pair to true. It means (upper - MAX(valids, validd)) bits should be set
to 1, not (upper - MAX(valids, validd) + 1).

Reviewed-by: default avatarRichard Henderson <rth@twiddle.net>
Signed-off-by: default avatarAurelien Jarno <aurelien@aurel32.net>
parent 649ad05e

target-i386/ops_sse.h

+1 −1
Original line number Diff line number Diff line
@@ -2025,7 +2025,7 @@ static inline unsigned pcmpxstrx(CPUX86State *env, Reg *d, Reg *s, 
        }

        break;

    case 2:

        res = (2 << (upper - MAX(valids, validd))) - 1;

        res = (1 << (upper - MAX(valids, validd))) - 1;

        res <<= MAX(valids, validd) - MIN(valids, validd);

        for (i = MIN(valids, validd); i >= 0; i--) {

            res <<= 1;