On Mon, 19 Aug 2019 at 22:38, Richard Henderson
<richard.hender...@linaro.org> wrote:
>
> Signed-off-by: Richard Henderson <richard.hender...@linaro.org>
> ---
> target/arm/translate.c | 560 ++++++++++++++++++++++-------------------
> target/arm/a32.decode | 48 ++++
> target/arm/t32.decode | 46 ++++
> 3 files changed, 396 insertions(+), 258 deletions(-)
> +static bool trans_STREXD_a32(DisasContext *s, arg_STREX *a)
> +{
> + if (!ENABLE_ARCH_6K || (a->rt & 1)) {
> + return false;
> + }
> + a->rt2 = a->rt + 1;
> + return op_strex(s, a, MO_64, false);
> +}
I've just noticed that there's a bug in these checks -- the
M-profile CPUs don't have the V6K feature, but they should
still have STREXB/STREXH/STREXD, and with this test they'll
incorrectly UNDEF them.
thanks
-- PMM
