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Re: Possible bug when optimizing function using branch_if / branch_if_no
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From: |
Aleksey Demakov |
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Subject: |
Re: Possible bug when optimizing function using branch_if / branch_if_not |
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Date: |
Tue, 14 Jun 2022 07:53:51 +0300 |
Hi,
Thanks for the report. I will take a look one of these days.
Regards,
Aleksey
On Fri, Jun 10, 2022 at 3:54 PM Fabrice Leal <fabrice.leal.ch@gmail.com> wrote:
>
> I think i hit a possible bug in the_jit_block_clean_cfg(jit_function_t)
> function.
>
> At http://git.savannah.gnu.org/cgit/libjit.git/tree/jit/jit-block.c#n948
> opcode may be 126 (JIT_OP_BR_IFALSE) or 127 (JIT_OP_BR_ITRUE) and this call
> will crash the function compilation
> (http://git.savannah.gnu.org/cgit/libjit.git/tree/jit/jit-block.c#n821).
>
> For reference it is crashing with this function:
>
> https://pastebin.com/aHQ5mNLw
>
> but if i exchange .L0 and .L1 it works well:
>
> https://pastebin.com/L42fKbqg
>