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* [Bug middle-end/47598] New: -fgraphite-identity at -O2 breaks profiledbootstrap
@ 2011-02-03 15:01 howarth at nitro dot med.uc.edu
  2011-02-03 15:06 ` [Bug middle-end/47598] " 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 @ 2011-02-03 15:01 UTC (permalink / raw)
  To: gcc-bugs

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=47598

           Summary: -fgraphite-identity at -O2 breaks profiledbootstrap
           Product: gcc
           Version: 4.6.0
            Status: UNCONFIRMED
          Severity: normal
          Priority: P3
         Component: middle-end
        AssignedTo: unassigned@gcc.gnu.org
        ReportedBy: howarth@nitro.med.uc.edu


Enabling -fgraphite at -O2 with...

Index: gcc/opts.c
===================================================================
--- gcc/opts.c    (revision 169776)
+++ gcc/opts.c    (working copy)
@@ -459,6 +459,9 @@ static const struct default_options defa
     { OPT_LEVELS_1_PLUS, OPT_fcompare_elim, 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 },

breaks the profiledbootstrap at...

/sw/src/fink.build/gcc46-4.6.0-1000/darwin_objdir/./prev-gcc/xgcc
-B/sw/src/fink.build/gcc46-4.6.0-1000/darwin_objdir/./prev-gcc/
-B/sw/lib/gcc4.6/x86_64-apple-darwin10.7.0/bin/
-B/sw/lib/gcc4.6/x86_64-apple-darwin10.7.0/bin/
-B/sw/lib/gcc4.6/x86_64-apple-darwin10.7.0/lib/ -isystem
/sw/lib/gcc4.6/x86_64-apple-darwin10.7.0/include -isystem
/sw/lib/gcc4.6/x86_64-apple-darwin10.7.0/sys-include    -c -DHAVE_CONFIG_H -g
-O2 -mdynamic-no-pic -flto=jobserver -frandom-seed=1 -fprofile-use  -I.
-I../../gcc-4.6-20110202/libiberty/../include  -W -Wall -Wwrite-strings
-Wc++-compat -Wstrict-prototypes -pedantic 
../../gcc-4.6-20110202/libiberty/cp-demangle.c -o cp-demangle.o
../../gcc-4.6-20110202/libiberty/cp-demangle.c: In function 'd_print_comp':
../../gcc-4.6-20110202/libiberty/cp-demangle.c:4350:1: error: insn does not
satisfy its constraints:
(insn 1855 310 311 39 (parallel [
            (set (reg/f:DI 4 si [orig:719 dpi_17(D)->modifiers ] [719])
                (plus:DI (reg:DI 4 si [486])
                    (plus:DI (reg/f:DI 7 sp)
                        (const_int 0 [0]))))
            (clobber (reg:CC 17 flags))
        ]) ../../gcc-4.6-20110202/libiberty/cp-demangle.c:3611 253 {*adddi_1}
     (nil))
../../gcc-4.6-20110202/libiberty/cp-demangle.c:4350:1: internal compiler error:
in reload_cse_simplify_operands, at postreload.c:401


^ permalink raw reply	[flat|nested] 8+ messages in thread
end of thread, other threads:[~2015-10-09 16:28 UTC | newest]

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-- links below jump to the message on this page --
2011-02-03 15:01 [Bug middle-end/47598] New: -fgraphite-identity at -O2 breaks profiledbootstrap howarth at nitro dot med.uc.edu
2011-02-03 15:06 ` [Bug middle-end/47598] " howarth at nitro dot med.uc.edu
2011-02-03 15:18 ` howarth at nitro dot med.uc.edu
2011-02-03 15:37 ` howarth at nitro dot med.uc.edu
2011-02-03 15:53 ` hjl.tools at gmail dot com
2011-02-03 16:25 ` howarth at nitro dot med.uc.edu
2011-02-03 23:54 ` howarth at nitro dot med.uc.edu
2015-10-09 16:28 ` spop at gcc dot gnu.org

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