Commit 75c9527e authored by Aurelien Jarno's avatar Aurelien Jarno
Browse files

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



The inner loop should only change the current bit of the result, instead
of the whole result.

Reviewed-by: default avatarRichard Henderson <rth@twiddle.net>
Signed-off-by: default avatarAurelien Jarno <aurelien@aurel32.net>
parent b27a6cac

target-i386/ops_sse.h

+3 −2
Original line number Diff line number Diff line
@@ -2036,10 +2036,11 @@ static inline unsigned pcmpxstrx(CPUX86State *env, Reg *d, Reg *s, 
    case 3:

        for (j = valids - validd; j >= 0; j--) {

            res <<= 1;

            res |= 1;

            v = 1;

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

                res &= (pcmp_val(s, ctrl, i + j) == pcmp_val(d, ctrl, i));

                v &= (pcmp_val(s, ctrl, i + j) == pcmp_val(d, ctrl, i));

            }

            res |= v;

        }

        break;

    }