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[Bug rtl-optimization/37397] IRA performance impact on SPEC CPU 2K/2006
- 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: 14 Nov 2008 16:43:44 -0000
- Subject: [Bug rtl-optimization/37397] IRA performance impact on SPEC CPU 2K/2006
- References: <bug-37397-682@http.gcc.gnu.org/bugzilla/>
- Reply-to: gcc-bugzilla at gcc dot gnu dot org
------- Comment #3 from vmakarov at gcc dot gnu dot org 2008-11-14 16:43 -------
Subject: Bug 37397
Author: vmakarov
Date: Fri Nov 14 16:41:56 2008
New Revision: 141860
URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=141860
Log:
2008-11-14 Vladimir Makarov <vmakarov@redhat.com>
PR rtl-optimization/37397
* ira-int.h (struct ira_allocno): New member bad_spill_p.
(ALLOCNO_BAD_SPILL_P): New macro.
* ira-color.c (push_allocnos_to_stack): Check ALLOCNO_BAD_SPILL_P.
* ira-build.c (ira_create_allocno): Initialize
ALLOCNO_BAD_SPILL_P.
(create_cap_allocno, propagate_allocno_info,
remove_unnecessary_allocnos): Set up or update
ALLOCNO_BAD_SPILL_P.
(update_bad_spill_attribute): New function.
(ira_build): Call it.
* ira-costs.c (record_reg_classes): Set up ALLOCNO_BAD_SPILL_P.
Modified:
trunk/gcc/ChangeLog
trunk/gcc/ira-build.c
trunk/gcc/ira-color.c
trunk/gcc/ira-costs.c
trunk/gcc/ira-int.h
--
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=37397