Re: [PATCH] Fix reassoc bit test optimization (PR tree-optimization/65418)

2015-03-14 Thread Richard Biener
On March 14, 2015 10:10:34 AM GMT+01:00, Jakub Jelinek wrote: >Hi! > >The first testcase shows a bug in my bit test reassoc optimization, >extract_bit_test_mask is (intentionally) stripping nops, but was >setting >*totallowp and operating with tbias in the type of unstripped >expression, >which th

[PATCH] Fix reassoc bit test optimization (PR tree-optimization/65418)

2015-03-14 Thread Jakub Jelinek
Hi! The first testcase shows a bug in my bit test reassoc optimization, extract_bit_test_mask is (intentionally) stripping nops, but was setting *totallowp and operating with tbias in the type of unstripped expression, which then results in different signedness of types used and confusing the opti