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[Bug rtl-optimization/25514] [4.0/4.1 regression] internal consistency failure
- From: "rsandifo at gcc dot gnu dot org" <gcc-bugzilla at gcc dot gnu dot org>
- To: gcc-bugs at gcc dot gnu dot org
- Date: 6 Jan 2007 14:27:10 -0000
- Subject: [Bug rtl-optimization/25514] [4.0/4.1 regression] internal consistency failure
- References: <bug-25514-11770@http.gcc.gnu.org/bugzilla/>
- Reply-to: gcc-bugzilla at gcc dot gnu dot org
------- Comment #23 from rsandifo at gcc dot gnu dot org 2007-01-06 14:27 -------
Subject: Bug 25514
Author: rsandifo
Date: Sat Jan 6 14:26:58 2007
New Revision: 120526
URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=120526
Log:
gcc/
Backport:
2006-05-23 Richard Sandiford <richard@codesourcery.com>
PR rtl-optimization/27736
* combine.c (replaced_rhs_value): New variable.
(combine_instructions): Set it.
(distribute_notes): When distributing a note in replaced_rhs_insn,
check whether the value was used in replaced_rhs_value.
2006-05-22 Richard Sandiford <richard@codesourcery.com>
PR rtl-optimization/25514
* combine.c (replaced_rhs_insn): New variable.
(combine_instructions): Set replaced_rhs_insn when trying to replace
a SET_SRC with a REG_EQUAL note.
(distribute_notes): Use replaced_rhs_insn when determining the live
range of a REG_DEAD register.
gcc/testsuite/
2006-05-22 Richard Sandiford <richard@codesourcery.com>
PR rtl-optimization/25514
* gcc.c-torture/compile/pr25514.c: New test.
Added:
branches/gcc-4_1-branch/gcc/testsuite/gcc.c-torture/compile/pr25514.c
Modified:
branches/gcc-4_1-branch/gcc/ChangeLog
branches/gcc-4_1-branch/gcc/combine.c
branches/gcc-4_1-branch/gcc/testsuite/ChangeLog
--
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=25514