[Bug tree-optimization/69783] New: [6 Regression] Loop is not vectorized after r233212
ysrumyan at gmail dot com
gcc-bugzilla@gcc.gnu.org
Fri Feb 12 11:49:00 GMT 2016
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=69783
Bug ID: 69783
Summary: [6 Regression] Loop is not vectorized after r233212
Product: gcc
Version: 6.0
Status: UNCONFIRMED
Severity: normal
Priority: P3
Component: tree-optimization
Assignee: unassigned at gcc dot gnu.org
Reporter: ysrumyan at gmail dot com
Target Milestone: ---
After changes in vect_prune_runtime_alias_test_list() a number of merging
ranges was significantly decreased:
Before fix
improved number of alias checks from 50 to 3
After fix
improved number of alias checks from 50 to 22
and loop is not vectorized since
number of versioning for alias run-time tests exceeds 10
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