Re: [PR69123] fix VTA dataflow oscillation

2016-01-11 Thread Alexandre Oliva
On Jan 9, 2016, Alexandre Oliva wrote: > for gcc/testsuite/ChangeLog > PR bootstrap/69123 > * gcc.dg/pr69123.c: New. Doh, it doesn't work to install a C++ testcase as C. Here's the patch with testcase that I actually tested successfully and checked in. [PR69123] fix handling of

Re: [PR69123] fix VTA dataflow oscillation

2016-01-08 Thread Jakub Jelinek
On Sat, Jan 09, 2016 at 02:08:51AM -0200, Alexandre Oliva wrote: > Here are two patches related with PR69123, an infinite dataflow loop in > VTA. > > The first non-comment hunk in var-tracking.c:drop_overlapping_mem_locs > is what fixes the problem, but the other changes in the first patch fix > s

Re: [PR69123] fix VTA dataflow oscillation

2016-01-08 Thread Richard Biener
On January 9, 2016 5:08:51 AM GMT+01:00, Alexandre Oliva wrote: >Here are two patches related with PR69123, an infinite dataflow loop in >VTA. > >The first non-comment hunk in var-tracking.c:drop_overlapping_mem_locs >is what fixes the problem, but the other changes in the first patch fix >simila

[PR69123] fix VTA dataflow oscillation

2016-01-08 Thread Alexandre Oliva
Here are two patches related with PR69123, an infinite dataflow loop in VTA. The first non-comment hunk in var-tracking.c:drop_overlapping_mem_locs is what fixes the problem, but the other changes in the first patch fix similar problems that might cause other such oscillations. The second patch a