[Bug tree-optimization/32533] [4.2 regression] miscompilation at -O3 -ffast-math -ftree-vectorize -march=native

2007-06-29 Thread jv244 at cam dot ac dot uk
--- Comment #3 from jv244 at cam dot ac dot uk 2007-06-29 07:13 --- I'm wondering if it is still required to turn fortran testcases in the equivalent C testcase in order to mark this kind of bugs as P1. This does seem a bit of a waste of time... and just think about the engineers using

[Bug tree-optimization/32533] [4.2 regression] miscompilation at -O3 -ffast-math -ftree-vectorize -march=native

2007-06-28 Thread ubizjak at gmail dot com
--- Comment #1 from ubizjak at gmail dot com 2007-06-28 08:13 --- Looks like problems in tree ifcvt pass. Before ifcvt, we have: M.2_16 = (int4) D.1257_15; if (M.2_16 1) goto L7; else goto L9; L7:; if (M.2_16 20) goto L10; else goto L9; # M.2_64 = PHI M.2_16(6), 1(5); L9:;

[Bug tree-optimization/32533] [4.2 regression] miscompilation at -O3 -ffast-math -ftree-vectorize -march=native

2007-06-28 Thread ubizjak at gmail dot com
--- Comment #2 from ubizjak at gmail dot com 2007-06-28 08:14 --- (In reply to comment #1) This bug could be hidden in 4.3.0 as we use MIN_EXPR and MAX_EXPR here. To clear the typo - we use MIN_EXPR and MAX_EXPR in 4.3.0. -- http://gcc.gnu.org/bugzilla/show_bug.cgi?id=32533

[Bug tree-optimization/32533] [4.2 regression] miscompilation at -O3 -ffast-math -ftree-vectorize -march=native

2007-06-28 Thread rguenth at gcc dot gnu dot org
-- rguenth at gcc dot gnu dot org changed: What|Removed |Added CC||rguenth at gcc dot gnu dot |