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[Bug tree-optimization/54094] ICE in graphite-dependences.c:320 : isl_constraint.c:497: position out of bounds
- From: "rguenth at gcc dot gnu.org" <gcc-bugzilla at gcc dot gnu dot org>
- To: gcc-bugs at gcc dot gnu dot org
- Date: Thu, 06 Dec 2012 16:44:44 +0000
- Subject: [Bug tree-optimization/54094] ICE in graphite-dependences.c:320 : isl_constraint.c:497: position out of bounds
- Auto-submitted: auto-generated
- References: <bug-54094-4@http.gcc.gnu.org/bugzilla/>
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=54094
--- Comment #2 from Richard Biener <rguenth at gcc dot gnu.org> 2012-12-06 16:44:44 UTC ---
Reduced testcase:
void dwt_deinterleave_h(int *a, int *b, int dn, int sn, int cas)
{
int i;
for (i=0; i<sn; i++)
b[i]=a[2*i+cas];
for (i=0; i<dn; i++)
b[sn+i]=a[(2*i+1-cas)];
}
fails with -O2 -floop-parallelize-all -floop-nest-optimize