On Mon, Jun 13, 2016 at 11:57 AM, Bin Cheng <bin.ch...@arm.com> wrote: > Hi, > This patch partially reverts part of r235513 to fix PR71347, the original > patch is to improve compilation time for a small amount. Root cause as > analyzed in bugzilla PR is that we can't skip computing cost for sub iv_use > if it has different position to the first use in group. The patch also > includes a new test. > > Bootstrap and test on x86_64. Is it OK?
Ok. Richard. > Thanks, > bin > > 2016-05-31 Bin Cheng <bin.ch...@arm.com> > > PR tree-optimization/71347 > * tree-ssa-loop-ivopts.c (determine_group_iv_cost_address): Compute > cost for all uses in group. > > gcc/testsuite/ChangeLog > 2016-05-31 Bin Cheng <bin.ch...@arm.com> > > PR tree-optimization/71347 > * gcc.dg/tree-ssa/pr71347.c: New test.
