Commit c2ebd862 authored by Peter Maydell's avatar Peter Maydell
Browse files

target-arm: A64: Avoid signed shifts in disas_ldst_pair() 



Avoid shifting potentially negative signed offset values in
disas_ldst_pair() by keeping the offset in a uint64_t rather
than an int64_t.

Signed-off-by: default avatarPeter Maydell <peter.maydell@linaro.org>
Message-id: 1423233250-15853-5-git-send-email-peter.maydell@linaro.org
parent 037e1d00

target-arm/translate-a64.c

+1 −1
Original line number Diff line number Diff line
@@ -1917,7 +1917,7 @@ static void disas_ldst_pair(DisasContext *s, uint32_t insn) 
    int rt = extract32(insn, 0, 5);

    int rn = extract32(insn, 5, 5);

    int rt2 = extract32(insn, 10, 5);

    int64_t offset = sextract32(insn, 15, 7);

    uint64_t offset = sextract64(insn, 15, 7);

    int index = extract32(insn, 23, 2);

    bool is_vector = extract32(insn, 26, 1);

    bool is_load = extract32(insn, 22, 1);