Commit 655b0264 authored by Richard Henderson's avatar Richard Henderson Committed by Peter Maydell
Browse files

target/arm: Do not reject rt == rt2 for strexd 



There was too much cut and paste between ldrexd and strexd,
as ldrexd does prohibit two output registers the same.

Fixes: af288228
Reported-by: default avatarMichael Goffioul <michael.goffioul@gmail.com>
Signed-off-by: default avatarRichard Henderson <richard.henderson@linaro.org>
Message-id: 20191117090621.32425-2-richard.henderson@linaro.org
Reviewed-by: default avatarRobert Foley <robert.foley@linaro.org>
Reviewed-by: default avatarPeter Maydell <peter.maydell@linaro.org>
Signed-off-by: default avatarPeter Maydell <peter.maydell@linaro.org>
parent 6623d214

target/arm/translate.c

+1 −1
Original line number Diff line number Diff line
@@ -8934,7 +8934,7 @@ static bool op_strex(DisasContext *s, arg_STREX *a, MemOp mop, bool rel) 
        || (s->thumb && (a->rd == 13 || a->rt == 13))

        || (mop == MO_64

            && (a->rt2 == 15

                || a->rd == a->rt2 || a->rt == a->rt2

                || a->rd == a->rt2

                || (s->thumb && a->rt2 == 13)))) {

        unallocated_encoding(s);

        return true;