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From: "zsojka at seznam dot cz" <gcc-bugzilla@gcc.gnu.org>
To: gcc-bugs@gcc.gnu.org
Subject: [Bug rtl-optimization/41862] [4.5 Regression] -fgcse-sm causes bootstrap comparison failures
Date: Fri, 27 Nov 2009 11:23:00 -0000 [thread overview]
Message-ID: <20091127112321.31655.qmail@sourceware.org> (raw)
In-Reply-To: <bug-41862-14164@http.gcc.gnu.org/bugzilla/>
------- Comment #7 from zsojka at seznam dot cz 2009-11-27 11:23 -------
My fault for not using -fgcse-sm in BOOT_CFLAGS. With that, it gets worse:
$ nice -n 19 make -j3 BOOT_CFLAGS="-O2 -fgcse-sm"
Comparing stages 2 and 3
warning: gcc/cc1plus-checksum.o differs
warning: gcc/cc1-checksum.o differs
Bootstrap comparison failure!
gcc/cp/pt.o differs
gcc/explow.o differs
gcc/tree-into-ssa.o differs
gcc/bitmap.o differs
gcc/dwarf2out.o differs
gcc/double-int.o differs
gcc/ipa-prop.o differs
gcc/stor-layout.o differs
libdecnumber/decimal128.o differs
libdecnumber/decimal32.o differs
libdecnumber/decimal64.o differs
libdecnumber/decNumber.o differs
x86_64-unknown-linux-gnu/32/libgcc/trunctfxf2_s.o differs
x86_64-unknown-linux-gnu/32/libgcc/multf3_s.o differs
x86_64-unknown-linux-gnu/32/libgcc/multf3.o differs
x86_64-unknown-linux-gnu/32/libgcc/fixtfsi_s.o differs
x86_64-unknown-linux-gnu/32/libgcc/bid128_div.o differs
--
zsojka at seznam dot cz changed:
What |Removed |Added
----------------------------------------------------------------------------
Summary|valgrind warns about using |[4.5 Regression] -fgcse-sm
|uninitialized variable with |causes bootstrap comparison
|-fgcse-sm |failures
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=41862
next prev parent reply other threads:[~2009-11-27 11:23 UTC|newest]
Thread overview: 20+ messages / expand[flat|nested] mbox.gz Atom feed top
2009-10-29 0:03 [Bug rtl-optimization/41862] New: valgrind warns about using uninitialized variable with -fgcse-sm zsojka at seznam dot cz
2009-10-29 0:04 ` [Bug rtl-optimization/41862] " zsojka at seznam dot cz
2009-10-29 0:06 ` zsojka at seznam dot cz
2009-10-29 10:25 ` rguenth at gcc dot gnu dot org
2009-10-29 10:58 ` steven at gcc dot gnu dot org
2009-11-17 18:34 ` zsojka at seznam dot cz
2009-11-25 10:45 ` zsojka at seznam dot cz
2009-11-27 11:23 ` zsojka at seznam dot cz [this message]
2009-12-04 14:25 ` [Bug rtl-optimization/41862] [4.5 Regression] -fgcse-sm causes bootstrap comparison failures rguenth at gcc dot gnu dot org
2009-12-24 13:12 ` steven at gcc dot gnu dot org
2009-12-24 20:24 ` zsojka at seznam dot cz
2009-12-24 20:35 ` zsojka at seznam dot cz
2010-01-02 15:57 ` rguenth at gcc dot gnu dot org
2010-01-03 17:15 ` steven at gcc dot gnu dot org
2010-01-03 17:23 ` steven at gcc dot gnu dot org
2010-01-03 18:25 ` rguenth at gcc dot gnu dot org
2010-01-03 20:03 ` [Bug rtl-optimization/41862] [4.5 Regression] -fgcse-sm causes bootstrap-debug " steven at gcc dot gnu dot org
2010-01-03 22:33 ` rguenth at gcc dot gnu dot org
2010-01-03 22:42 ` steven at gcc dot gnu dot org
2010-01-03 22:46 ` steven at gcc dot gnu dot org
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