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Subject: [Bug rtl-optimization/42631] [4.5 Regression] "-fcompare-debug failure" with "-O1 -funroll-loops"
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------- Comment #13 from aoliva at gcc dot gnu dot org  2010-01-09 14:42 -------
Subject: Bug 42631

Author: aoliva
Date: Sat Jan  9 14:41:51 2010
New Revision: 155765

URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=155765
Log:
gcc/ChangeLog:
PR debug/42631
* web.c (union_defs): Add used argument, to combine uses of
uninitialized regs.
(entry_register): Adjust type and tests of used argument.
(web_main): Widen used for new use.  Pass it to union_defs.
* df.h (union_defs): Adjust prototype.
gcc/testsuite/ChangeLog:
PR debug/42631
* gcc.dg/pr42631.c: New.

Added:
    trunk/gcc/testsuite/gcc.dg/pr42631.c
Modified:
    trunk/gcc/ChangeLog
    trunk/gcc/df.h
    trunk/gcc/testsuite/ChangeLog
    trunk/gcc/web.c


-- 


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=42631