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Re: [PATCH] IPA ICF: add no_icf attribute for a function

From: Jeff Law <law at redhat dot com>
To: Martin LiÅka <mliska at suse dot cz>, "gcc-patch >> GCC Patches" <gcc-patches at gcc dot gnu dot org>
Cc: "hubicka@ >> Jan Hubicka" <hubicka at ucw dot cz>
Date: Fri, 16 Jan 2015 09:30:16 -0700
Subject: Re: [PATCH] IPA ICF: add no_icf attribute for a function
Authentication-results: sourceware.org; auth=none
References: <54B9287B dot 7060705 at suse dot cz>

On 01/16/15 08:04, Martin LiÅka wrote:

Hello.

This patch adds support for __attribute__((no_icf)) that prevents a
function
being merged with a different one.

Tested on x86_64-linux-pc.

Ready for trunk?
Thanks,
Martin

0001-IPA-ICF-add-no_icf-attribute.patch


 From 234fc8018f9810e2adf6d975d6d0051631ef8c02 Mon Sep 17 00:00:00 2001
From: mliska<mliska@suse.cz>
Date: Fri, 16 Jan 2015 14:35:23 +0100
Subject: [PATCH] IPA ICF: add no_icf attribute.

gcc/c-family/ChangeLog:

2015-01-16  Martin Liska<mliska@suse.cz>

	* c-common.c (handle_noicf_attribute): New function.

gcc/ChangeLog:

2015-01-16  Martin Liska<mliska@suse.cz>

	* doc/extend.texi (no_icf): Add new attribute description.
	* ipa-icf.c (sem_item_optimizer::merge_classes): Handle cases
	where the pass attempts to merge a function with no_icf attribute.

gcc/testsuite/ChangeLog:

2015-01-16  Martin Liska<mliska@suse.cz>

	* gcc.dg/ipa/ipa-icf-33.c: New test.

OK.
jeff

Follow-Ups:
- Re: [PATCH] IPA ICF: add no_icf attribute for a function
  - From: Jan Hubicka

References:
- [PATCH] IPA ICF: add no_icf attribute for a function
  - From: Martin LiÅka

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