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* [Bug bootstrap/47044] New: bootstrap comparison failure when -O2 defaults on -fgraphite-identity
@ 2010-12-22 19:08 howarth at nitro dot med.uc.edu
2010-12-22 19:53 ` [Bug bootstrap/47044] " howarth at nitro dot med.uc.edu
` (6 more replies)
0 siblings, 7 replies; 8+ messages in thread
From: howarth at nitro dot med.uc.edu @ 2010-12-22 19:08 UTC (permalink / raw)
To: gcc-bugs
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=47044
Summary: bootstrap comparison failure when -O2 defaults on
-fgraphite-identity
Product: gcc
Version: 4.6.0
Status: UNCONFIRMED
Severity: normal
Priority: P3
Component: bootstrap
AssignedTo: unassigned@gcc.gnu.org
ReportedBy: howarth@nitro.med.uc.edu
On x86_64-apple-darwin10 at r168176 with...
Index: gcc/opts.c
===================================================================
--- gcc/opts.c (revision 168176)
+++ gcc/opts.c (working copy)
@@ -458,6 +458,9 @@
{ OPT_LEVELS_1_PLUS, OPT_fcombine_stack_adjustments, NULL, 1 },
/* -O2 optimizations. */
+#ifdef HAVE_cloog
+ { OPT_LEVELS_2_PLUS, OPT_fgraphite_identity, NULL, 1 },
+#endif
{ OPT_LEVELS_2_PLUS, OPT_finline_small_functions, NULL, 1 },
{ OPT_LEVELS_2_PLUS, OPT_findirect_inlining, NULL, 1 },
{ OPT_LEVELS_2_PLUS, OPT_fpartial_inlining, NULL, 1 },
applied to default on -fgraphite-identity at -O2, a bootstrap comparison
failure occurs...
Comparing stages 2 and 3
warning: gcc/cc1-checksum.o differs
warning: gcc/cc1obj-checksum.o differs
warning: gcc/cc1objplus-checksum.o differs
warning: gcc/cc1plus-checksum.o differs
Bootstrap comparison failure!
gcc/alias.o differs
gcc/attribs.o differs
gcc/bb-reorder.o differs
gcc/bitmap.o differs
gcc/bt-load.o differs
gcc/build/genattrtab.o differs
gcc/build/genautomata.o differs
gcc/build/genflags.o differs
gcc/build/gengenrtl.o differs
gcc/build/gengtype-lex.o differs
gcc/build/gengtype-state.o differs
...
This problem did not occur at r167670.
http://gcc.gnu.org/ml/gcc-testresults/2010-12/msg00852.html
../gcc-4.6-20101222/configure --prefix=/sw --prefix=/sw/lib/gcc4.6
--mandir=/sw/share/man --infodir=/sw/lib/gcc4.6/info
--enable-languages=c,c++,fortran,objc,obj-c++,java --with-gmp=/sw
--with-libiconv-prefix=/sw --with-ppl=/sw --with-cloog=/sw --with-mpc=/sw
--with-system-zlib --x-includes=/usr/X11R6/include --x-libraries=/usr/X11R6/lib
--program-suffix=-fsf-4.6 --enable-checking=yes --enable-cloog-backend=isl
--enable-build-with-cxx
^ permalink raw reply [flat|nested] 8+ messages in thread* [Bug bootstrap/47044] bootstrap comparison failure when -O2 defaults on -fgraphite-identity 2010-12-22 19:08 [Bug bootstrap/47044] New: bootstrap comparison failure when -O2 defaults on -fgraphite-identity howarth at nitro dot med.uc.edu @ 2010-12-22 19:53 ` howarth at nitro dot med.uc.edu 2010-12-23 4:15 ` [Bug bootstrap/47044] bootstrap comparison failure when -O2 defaults on -fgraphite-identity and --enable-build-with-cxx howarth at nitro dot med.uc.edu ` (5 subsequent siblings) 6 siblings, 0 replies; 8+ messages in thread From: howarth at nitro dot med.uc.edu @ 2010-12-22 19:53 UTC (permalink / raw) To: gcc-bugs http://gcc.gnu.org/bugzilla/show_bug.cgi?id=47044 --- Comment #1 from Jack Howarth <howarth at nitro dot med.uc.edu> 2010-12-22 19:53:23 UTC --- The trigger appears to be the use of --enable-build-with-cxx with -O2 defaulted to -fgraphite-identity. Removing that configure option eliminates the bootstrap comparison failures. ^ permalink raw reply [flat|nested] 8+ messages in thread
* [Bug bootstrap/47044] bootstrap comparison failure when -O2 defaults on -fgraphite-identity and --enable-build-with-cxx 2010-12-22 19:08 [Bug bootstrap/47044] New: bootstrap comparison failure when -O2 defaults on -fgraphite-identity howarth at nitro dot med.uc.edu 2010-12-22 19:53 ` [Bug bootstrap/47044] " howarth at nitro dot med.uc.edu @ 2010-12-23 4:15 ` howarth at nitro dot med.uc.edu 2010-12-23 5:09 ` howarth at nitro dot med.uc.edu ` (4 subsequent siblings) 6 siblings, 0 replies; 8+ messages in thread From: howarth at nitro dot med.uc.edu @ 2010-12-23 4:15 UTC (permalink / raw) To: gcc-bugs http://gcc.gnu.org/bugzilla/show_bug.cgi?id=47044 --- Comment #2 from Jack Howarth <howarth at nitro dot med.uc.edu> 2010-12-23 04:14:44 UTC --- Same bootstrap comparison failure obtained with unpatched r168197 using... make -j 8 BOOT_CFLAGS="-g -O2 -fgraphite-identity" with --enable-build-with-cxx on x86_64-apple-darwin10. ^ permalink raw reply [flat|nested] 8+ messages in thread
* [Bug bootstrap/47044] bootstrap comparison failure when -O2 defaults on -fgraphite-identity and --enable-build-with-cxx 2010-12-22 19:08 [Bug bootstrap/47044] New: bootstrap comparison failure when -O2 defaults on -fgraphite-identity howarth at nitro dot med.uc.edu 2010-12-22 19:53 ` [Bug bootstrap/47044] " howarth at nitro dot med.uc.edu 2010-12-23 4:15 ` [Bug bootstrap/47044] bootstrap comparison failure when -O2 defaults on -fgraphite-identity and --enable-build-with-cxx howarth at nitro dot med.uc.edu @ 2010-12-23 5:09 ` howarth at nitro dot med.uc.edu 2011-01-28 11:00 ` fxcoudert at gcc dot gnu.org ` (3 subsequent siblings) 6 siblings, 0 replies; 8+ messages in thread From: howarth at nitro dot med.uc.edu @ 2010-12-23 5:09 UTC (permalink / raw) To: gcc-bugs http://gcc.gnu.org/bugzilla/show_bug.cgi?id=47044 --- Comment #3 from Jack Howarth <howarth at nitro dot med.uc.edu> 2010-12-23 05:09:28 UTC --- Same bootstrap comparison failure can be reproduced on x86_64 Fedora10 with... ../gcc/configure --with-gmp=/usr --with-mpfr=/usr --with-mpc=/usr --prefix=/home/howarth/dist --enable-languages=c,c++ --enable-checking=yes --enable-build-with-cxx make -j 8 BOOT_CFLAGS="-g -O2 -fgraphite-identity" ^ permalink raw reply [flat|nested] 8+ messages in thread
* [Bug bootstrap/47044] bootstrap comparison failure when -O2 defaults on -fgraphite-identity and --enable-build-with-cxx 2010-12-22 19:08 [Bug bootstrap/47044] New: bootstrap comparison failure when -O2 defaults on -fgraphite-identity howarth at nitro dot med.uc.edu ` (2 preceding siblings ...) 2010-12-23 5:09 ` howarth at nitro dot med.uc.edu @ 2011-01-28 11:00 ` fxcoudert at gcc dot gnu.org 2011-02-02 15:08 ` howarth at nitro dot med.uc.edu ` (2 subsequent siblings) 6 siblings, 0 replies; 8+ messages in thread From: fxcoudert at gcc dot gnu.org @ 2011-01-28 11:00 UTC (permalink / raw) To: gcc-bugs http://gcc.gnu.org/bugzilla/show_bug.cgi?id=47044 Francois-Xavier Coudert <fxcoudert at gcc dot gnu.org> changed: What |Removed |Added ---------------------------------------------------------------------------- Target|x86_64-apple-darwin10 | Status|UNCONFIRMED |NEW Keywords| |build Last reconfirmed| |2011.01.28 10:36:30 CC| |fxcoudert at gcc dot | |gnu.org Host|x86_64-apple-darwin10 | Ever Confirmed|0 |1 Build|x86_64-apple-darwin10 | ^ permalink raw reply [flat|nested] 8+ messages in thread
* [Bug bootstrap/47044] bootstrap comparison failure when -O2 defaults on -fgraphite-identity and --enable-build-with-cxx 2010-12-22 19:08 [Bug bootstrap/47044] New: bootstrap comparison failure when -O2 defaults on -fgraphite-identity howarth at nitro dot med.uc.edu ` (3 preceding siblings ...) 2011-01-28 11:00 ` fxcoudert at gcc dot gnu.org @ 2011-02-02 15:08 ` howarth at nitro dot med.uc.edu 2011-02-02 15:52 ` spop at gcc dot gnu.org 2011-02-02 15:54 ` spop at gcc dot gnu.org 6 siblings, 0 replies; 8+ messages in thread From: howarth at nitro dot med.uc.edu @ 2011-02-02 15:08 UTC (permalink / raw) To: gcc-bugs http://gcc.gnu.org/bugzilla/show_bug.cgi?id=47044 --- Comment #4 from Jack Howarth <howarth at nitro dot med.uc.edu> 2011-02-02 15:08:33 UTC --- This issue appears to be resolved at r169520 with http://gcc.gnu.org/ml/gcc-patches/2011-02/msg00070.html (omitting the TODO_update_address_taken part) and http://gcc.gnu.org/ml/gcc-patches/2011-02/msg00095.html. ^ permalink raw reply [flat|nested] 8+ messages in thread
* [Bug bootstrap/47044] bootstrap comparison failure when -O2 defaults on -fgraphite-identity and --enable-build-with-cxx 2010-12-22 19:08 [Bug bootstrap/47044] New: bootstrap comparison failure when -O2 defaults on -fgraphite-identity howarth at nitro dot med.uc.edu ` (4 preceding siblings ...) 2011-02-02 15:08 ` howarth at nitro dot med.uc.edu @ 2011-02-02 15:52 ` spop at gcc dot gnu.org 2011-02-02 15:54 ` spop at gcc dot gnu.org 6 siblings, 0 replies; 8+ messages in thread From: spop at gcc dot gnu.org @ 2011-02-02 15:52 UTC (permalink / raw) To: gcc-bugs http://gcc.gnu.org/bugzilla/show_bug.cgi?id=47044 --- Comment #5 from Sebastian Pop <spop at gcc dot gnu.org> 2011-02-02 15:52:27 UTC --- Author: spop Date: Wed Feb 2 15:52:21 2011 New Revision: 169531 URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=169531 Log: Fix PR40979 and PR47044: after LIM call copy_prop and DCE to clean up. 2011-02-02 Sebastian Pop <sebastian.pop@amd.com> Richard Guenther <rguenther@suse.de> PR tree-optimization/40979 PR bootstrap/47044 * passes.c (init_optimization_passes): After LIM call copy_prop and DCE to clean up. * tree-ssa-loop.c (pass_graphite_transforms): Add TODO_dump_func. * gcc.dg/graphite/graphite.exp (DEFAULT_VECTCFLAGS): Add -ffast-math. * gcc.dg/graphite/pr35356-2.c: Adjust pattern. * gfortran.dg/graphite/graphite.exp: Run vect_files conditionally to check_vect_support_and_set_flags. * gfortran.dg/graphite/vect-pr40979.f90: New. Added: trunk/gcc/testsuite/gfortran.dg/graphite/vect-pr40979.f90 Modified: trunk/gcc/ChangeLog trunk/gcc/passes.c trunk/gcc/testsuite/ChangeLog trunk/gcc/testsuite/gcc.dg/graphite/graphite.exp trunk/gcc/testsuite/gcc.dg/graphite/pr35356-2.c trunk/gcc/testsuite/gfortran.dg/graphite/graphite.exp trunk/gcc/tree-ssa-loop.c ^ permalink raw reply [flat|nested] 8+ messages in thread
* [Bug bootstrap/47044] bootstrap comparison failure when -O2 defaults on -fgraphite-identity and --enable-build-with-cxx 2010-12-22 19:08 [Bug bootstrap/47044] New: bootstrap comparison failure when -O2 defaults on -fgraphite-identity howarth at nitro dot med.uc.edu ` (5 preceding siblings ...) 2011-02-02 15:52 ` spop at gcc dot gnu.org @ 2011-02-02 15:54 ` spop at gcc dot gnu.org 6 siblings, 0 replies; 8+ messages in thread From: spop at gcc dot gnu.org @ 2011-02-02 15:54 UTC (permalink / raw) To: gcc-bugs http://gcc.gnu.org/bugzilla/show_bug.cgi?id=47044 Sebastian Pop <spop at gcc dot gnu.org> changed: What |Removed |Added ---------------------------------------------------------------------------- Status|NEW |RESOLVED Resolution| |FIXED --- Comment #6 from Sebastian Pop <spop at gcc dot gnu.org> 2011-02-02 15:54:17 UTC --- Fixed. ^ permalink raw reply [flat|nested] 8+ messages in thread
end of thread, other threads:[~2011-02-02 15:54 UTC | newest] Thread overview: 8+ messages (download: mbox.gz / follow: Atom feed) -- links below jump to the message on this page -- 2010-12-22 19:08 [Bug bootstrap/47044] New: bootstrap comparison failure when -O2 defaults on -fgraphite-identity howarth at nitro dot med.uc.edu 2010-12-22 19:53 ` [Bug bootstrap/47044] " howarth at nitro dot med.uc.edu 2010-12-23 4:15 ` [Bug bootstrap/47044] bootstrap comparison failure when -O2 defaults on -fgraphite-identity and --enable-build-with-cxx howarth at nitro dot med.uc.edu 2010-12-23 5:09 ` howarth at nitro dot med.uc.edu 2011-01-28 11:00 ` fxcoudert at gcc dot gnu.org 2011-02-02 15:08 ` howarth at nitro dot med.uc.edu 2011-02-02 15:52 ` spop at gcc dot gnu.org 2011-02-02 15:54 ` spop at gcc dot gnu.org
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