From: Joern Wolfgang Rennecke <gnu@amylaar.uk>
To: Claudiu Zissulescu <Claudiu.Zissulescu@synopsys.com>,
gcc-patches@gcc.gnu.org
Cc: Francois.Bedard@synopsys.com, jeremy.bennett@embecosm.com
Subject: Re: [PATCH][ARC] Refurbish emitting DWARF2 for epilogue.
Date: Thu, 03 Dec 2015 21:59:00 -0000 [thread overview]
Message-ID: <5660BB51.6000304@amylaar.uk> (raw)
In-Reply-To: <1448632380-7353-1-git-send-email-claziss@synopsys.com>
On 27/11/15 13:53, Claudiu Zissulescu wrote:
>
> @@ -2502,11 +2540,18 @@ arc_expand_epilogue (int sibcall_p)
> /* Restore any saved registers. */
> if (frame_pointer_needed)
> {
> - rtx addr = gen_rtx_POST_INC (Pmode, stack_pointer_rtx);
> + insn = emit_insn (gen_blockage ());
Is this actually part of the patch to fix cfi generation?
It looks to me like it is working around an alias.c issue - namely, that
alias.c does
not consider stack and frame pointer based addresses to alias.
https://gcc.gnu.org/ml/gcc/2011-07/msg00461.html
https://github.com/adapteva/epiphany-gcc/commit/6d1194a563e05dfa826ab4635514477af1f7a2b0
next prev parent reply other threads:[~2015-12-03 21:59 UTC|newest]
Thread overview: 11+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-11-27 14:02 Claudiu Zissulescu
2015-12-03 21:59 ` Joern Wolfgang Rennecke [this message]
2015-12-07 9:19 ` Claudiu Zissulescu
2015-12-09 4:44 ` Joern Wolfgang Rennecke
2015-12-09 4:52 ` Joern Wolfgang Rennecke
2015-12-09 15:34 ` Claudiu Zissulescu
2015-12-09 18:48 ` Joern Wolfgang Rennecke
2015-12-10 14:47 ` Claudiu Zissulescu
2015-12-11 10:29 ` Claudiu Zissulescu
2015-12-12 14:49 ` Joern Wolfgang Rennecke
2015-12-14 10:07 ` Claudiu Zissulescu
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