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[Bug tree-optimization/54013] New: Loop with control flow not vectorized
- 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: Wed, 18 Jul 2012 11:09:04 +0000
- Subject: [Bug tree-optimization/54013] New: Loop with control flow not vectorized
- Auto-submitted: auto-generated
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=54013
Bug #: 54013
Summary: Loop with control flow not vectorized
Classification: Unclassified
Product: gcc
Version: 4.8.0
Status: UNCONFIRMED
Keywords: missed-optimization
Severity: enhancement
Priority: P3
Component: tree-optimization
AssignedTo: unassigned@gcc.gnu.org
ReportedBy: rguenth@gcc.gnu.org
Blocks: 53947
ICC manages to vectorize the following loop which happens in Polyhedron
mp_prop_design.
int foo (float x, float *tab)
{
int i;
for (i = 2; i < 45; ++i)
if (x < tab[i])
break;
return i - 1;
}