r219848 - in /trunk/gcc: ChangeLog c-family/Cha...

[marxin@gcc.gnu.org]

Author: marxin
Date: Mon Jan 19 15:20:16 2015
New Revision: 219848

URL: https://gcc.gnu.org/viewcvs?rev=219848&root=gcc&view=rev
Log:
IPA ICF: add no_icf attribute.

	* c-common.c (handle_noicf_attribute): New function.
	* 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.dg/ipa/ipa-icf-33.c: New test.


Added:
    trunk/gcc/testsuite/gcc.dg/ipa/ipa-icf-33.c
Modified:
    trunk/gcc/ChangeLog
    trunk/gcc/c-family/ChangeLog
    trunk/gcc/c-family/c-common.c
    trunk/gcc/doc/extend.texi
    trunk/gcc/ipa-icf.c
    trunk/gcc/testsuite/ChangeLog