On Thu, 8 May 2025 at 08:31, Michael Tokarev wrote:
>
> On 01.05.2025 15:55, Peter Maydell wrote:
> > If the guest code has an ISB or SB insn inside an IT block, we
> > generate incorrect code which trips a TCG assertion:
> Is this change applicable for older stable releases, besides 10.0
> (curr
On 01.05.2025 15:55, Peter Maydell wrote:
If the guest code has an ISB or SB insn inside an IT block, we
generate incorrect code which trips a TCG assertion:
qemu-system-arm: ../tcg/tcg-op.c:3343: void tcg_gen_goto_tb(unsigned int): Assertion
`(tcg_ctx->goto_tb_issue_mask & (1 << idx)) == 0' fa
On 5/1/25 05:55, Peter Maydell wrote:
(NB: the TCG optimizer doesn't optimize out the jump-to-next, but
we can't really avoid emitting it because we don't know at the
point we're emitting the handling for the condexec check whether
this insn is going to happen to be a nop for us or not.)
Heh.
If the guest code has an ISB or SB insn inside an IT block, we
generate incorrect code which trips a TCG assertion:
qemu-system-arm: ../tcg/tcg-op.c:3343: void tcg_gen_goto_tb(unsigned int):
Assertion `(tcg_ctx->goto_tb_issue_mask & (1 << idx)) == 0' failed.
This is because we call gen_goto_tb(d