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[Bug middle-end/37535] [4.4 Regression] gcc/libgcc2.c:404: internal compiler error: Floating point exception
- From: "vmakarov at gcc dot gnu dot org" <gcc-bugzilla at gcc dot gnu dot org>
- To: gcc-bugs at gcc dot gnu dot org
- Date: 16 Oct 2008 00:53:06 -0000
- Subject: [Bug middle-end/37535] [4.4 Regression] gcc/libgcc2.c:404: internal compiler error: Floating point exception
- References: <bug-37535-276@http.gcc.gnu.org/bugzilla/>
- Reply-to: gcc-bugzilla at gcc dot gnu dot org
------- Comment #19 from vmakarov at gcc dot gnu dot org 2008-10-16 00:53 -------
Subject: Bug 37535
Author: vmakarov
Date: Thu Oct 16 00:51:34 2008
New Revision: 141160
URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=141160
Log:
2008-10-15 Vladimir Makarov <vmakarov@redhat.com>
PR middle-end/37535
* ira-lives.c (mark_early_clobbers): Remove.
(make_pseudo_conflict, check_and_make_def_use_conflicts,
check_and_make_def_conflicts,
make_early_clobber_and_input_conflicts,
mark_hard_reg_early_clobbers): New functions.
(process_bb_node_lives): Call
make_early_clobber_and_input_conflicts and
mark_hard_reg_early_clobbers. Make hard register inputs live
again.
* doc/rtl.texi (clobber): Change descriotion of RA behaviour for
early clobbers of pseudo-registers.
Modified:
trunk/gcc/ChangeLog
trunk/gcc/doc/rtl.texi
trunk/gcc/ira-lives.c
--
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=37535