[Bug regression/56738] [4.9 Regression] ICE in c-c++-common/torture/vshuf-v4di.c

dominiq at lps dot ens.fr gcc-bugzilla@gcc.gnu.org
Tue Mar 26 12:43:00 GMT 2013


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=56738

Dominique d'Humieres <dominiq at lps dot ens.fr> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Target|arm-none-eabi               |arm-none-eabi powerpc-*-*
             Status|UNCONFIRMED                 |NEW
   Last reconfirmed|                            |2013-03-26
            Summary|ICE in                      |[4.9 Regression] ICE in
                   |c-c++-common/torture/vshuf- |c-c++-common/torture/vshuf-
                   |v4di.c                      |v4di.c
     Ever Confirmed|0                           |1

--- Comment #3 from Dominique d'Humieres <dominiq at lps dot ens.fr> 2013-03-26 12:43:49 UTC ---
> Are you seeing the ICE at the same location? (df-scan.c).

Yes:

In file included from
/opt/gcc/work/gcc/testsuite/g++.dg/torture/vshuf-v2di.C:18:0:
/opt/gcc/work/gcc/testsuite/g++.dg/torture/vshuf-main.inc: In function 'int
main()':
/opt/gcc/work/gcc/testsuite/g++.dg/torture/vshuf-main.inc:29:1: internal
compiler error: in df_insn_delete, at df-scan.c:1162
 }


> Also, from the testresults page you linked I don't see an ICE for -O2 or -O3.
> Do those run successfully?

Yes.

The tests compile with revision 197004, but not with revision 197010. It is
likely revision 197005.



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