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Re: [Patch AArch64] Turn on -fasynchronous-unwind-tables and -funwind-tables by default.
- From: James Greenhalgh <james dot greenhalgh at arm dot com>
- To: Ramana Radhakrishnan <ramana dot radhakrishnan at foss dot arm dot com>
- Cc: GCC Patches <gcc-patches at gcc dot gnu dot org>, <nd at arm dot com>
- Date: Mon, 19 Mar 2018 12:12:38 +0000
- Subject: Re: [Patch AArch64] Turn on -fasynchronous-unwind-tables and -funwind-tables by default.
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- References: <7b28c03a-c032-6cec-c127-1c12cbe98eeb@foss.arm.com>
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On Tue, Mar 13, 2018 at 01:35:56PM +0000, Ramana Radhakrishnan wrote:
> Jakub commented here that
> https://gcc.gnu.org/ml/gcc-patches/2018-02/msg01325.html we don't turn
> on fasynchronous-unwind-tables for AArch64. I note that x86_64 turns on
> funwind-tables as well. Thus this patch turns on both.
>
> Note that this doesn't increase code size but will likely increase
> binary size because we now have a lot more eh_frame / debug_frame
> information being spat out. We probably need to do get the clang /llvm
> guys to do the same but I'll prod them separately.
>
> Bootstrapped and regression tested on aarch64-none-linux-gnu.
>
> Ok ?
OK.
Thanks,
James