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authorBernd Schmidt <bernd.schmidt@analog.com>2006-02-16 01:26:54 +0000
committerBernd Schmidt <bernds@gcc.gnu.org>2006-02-16 01:26:54 +0000
commit1929b9988c98e9a806b57e73fd3a9885b63643e0 (patch)
treee96a023be74a5ca6ea77c495571a180f659e446a /gcc/local-alloc.c
parentf42f0a3c34a3028bbd7f39863fd73d92f2ab8514 (diff)
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re PR rtl-optimization/25636 (opts.c is being miscompiled, write to read only memory)
PR rtl-optimization/25636 * local-alloc.c (update_equiv_regs): Lose a bogus rtx_equal_p test when deciding whether an insn is an initializing insn. From-SVN: r111129
Diffstat (limited to 'gcc/local-alloc.c')
-rw-r--r--gcc/local-alloc.c6
1 files changed, 3 insertions, 3 deletions
diff --git a/gcc/local-alloc.c b/gcc/local-alloc.c
index d22e9e7..820e0b6 100644
--- a/gcc/local-alloc.c
+++ b/gcc/local-alloc.c
@@ -1,6 +1,7 @@
/* Allocate registers within a basic block, for GNU compiler.
Copyright (C) 1987, 1988, 1991, 1993, 1994, 1995, 1996, 1997, 1998,
- 1999, 2000, 2001, 2002, 2003, 2004, 2005 Free Software Foundation, Inc.
+ 1999, 2000, 2001, 2002, 2003, 2004, 2005, 2006 Free Software Foundation,
+ Inc.
This file is part of GCC.
@@ -962,8 +963,7 @@ update_equiv_regs (void)
/* If we haven't done so, record for reload that this is an
equivalencing insn. */
- if (!reg_equiv[regno].is_arg_equivalence
- && (!MEM_P (x) || rtx_equal_p (src, x)))
+ if (!reg_equiv[regno].is_arg_equivalence)
reg_equiv_init[regno]
= gen_rtx_INSN_LIST (VOIDmode, insn, reg_equiv_init[regno]);