Re: [PATCH] df: Keep return address register undefined until epilogue_completed

[Jeff Law]

On 08/29/2016 02:19 PM, Steven Bosscher wrote:
On Mon, Aug 29, 2016 at 6:50 PM, Segher Boessenkool wrote:
This patch changes that so that that def is only added after
epilogue_completed.
...
Does this work on all other targets?

Guessing: not for targets where INCOMING_RETURN_ADDR_RTX is the stack register?
That'd be at least h8300, rl78, and rx.
On those ports INCOMING_RETURN_ADDR_RTX is (mem (sp)), not plain (sp). 
So they're not materially different than x86.


Jeff