> On 03 Aug 2017, at 11:02, Olivier Hainque <hain...@adacore.com> wrote:
> The attached patch is a proposal to fix this by setting MEM_VOLATILE_P on
> the store destination mem instead of setting RTX_FRAME_RELATED_P on the insn,
> which alleviates the .cfi complications and is as effective in preventing
> the store removal by DSE
Forgot the ChangeLog, here it is:
2017-08-03 Olivier Hainque <hain...@adacore.com>
* config/arm/arm.c (arm_set_return_address): Use MEM_VOLATILE_P
on the target mem instead of RTX_FRAME_RELATED_P on the insn to
prevent DSE.
(thumb_set_return_address): Likewise.
> OK to commit ?
>
> Thanks much in advance for your feedback,
>
> With Kind Regards,
>
> Olivier
