This is the mail archive of the
gcc-patches@gcc.gnu.org
mailing list for the GCC project.
Re: [RFC][PATCH][AArch64] Cleanup frame pointer usage
- From: Wilco Dijkstra <Wilco dot Dijkstra at arm dot com>
- To: James Greenhalgh <James dot Greenhalgh at arm dot com>
- Cc: GCC Patches <gcc-patches at gcc dot gnu dot org>, nd <nd at arm dot com>, Jiong Wang <Jiong dot Wang at arm dot com>, Richard Earnshaw <Richard dot Earnshaw at arm dot com>, "Marcus Shawcroft" <Marcus dot Shawcroft at arm dot com>
- Date: Wed, 14 Jun 2017 15:49:19 +0000
- Subject: Re: [RFC][PATCH][AArch64] Cleanup frame pointer usage
- Authentication-results: sourceware.org; auth=none
- Authentication-results: gcc.gnu.org; dkim=none (message not signed) header.d=none;gcc.gnu.org; dmarc=none action=none header.from=arm.com;
- Nodisclaimer: True
- References: <AM5PR0802MB2610BED9F306047D9D3F0AD783AE0@AM5PR0802MB2610.eurprd08.prod.outlook.com>,<20170614145109.GF8010@arm.com>
- Spamdiagnosticmetadata: NSPM
- Spamdiagnosticoutput: 1:99
James Greenhalgh wrote:
> I note this is still marked as an RFC, are you now proposing it as a
> patch to be merged to trunk?
Absolutely. It was marked as an RFC to get some comments - I thought it
may be controversial to separate the frame pointer and frame chain concept.
And this fixes the long standing bugs caused by changing the global frame
pointer option to an incorrect value for the leaf function optimization.
Wilco