[Bug tree-optimization/29333] Jump threading getting in the way of PHI-OPT

2006-10-05 Thread roberto dot costa at st dot com
--- Comment #3 from roberto dot costa at st dot com 2006-10-05 08:15 --- I tested what happens if the first PHI-OPT pass is moved right before the first VRP pass in gcc/passes.c It looks like PHI-OPT should be run both before and after VRP and DOM. The example reported shows that

[Bug tree-optimization/29333] Generation of MAX_EXPRs and MIN_EXPRs missed by phiopt

2006-10-03 Thread roberto dot costa at st dot com
--- Comment #1 from roberto dot costa at st dot com 2006-10-03 16:05 --- Created an attachment (id=12378) --> (http://gcc.gnu.org/bugzilla/attachment.cgi?id=12378&action=view) Source code of the example -- http://gcc.gnu.org/bugzilla/show_bug.cgi?id=29333

[Bug tree-optimization/29333] New: Generation of MAX_EXPRs and MIN_EXPRs missed by phiopt

2006-10-03 Thread roberto dot costa at st dot com
ary: Generation of MAX_EXPRs and MIN_EXPRs missed by phiopt Product: gcc Version: 4.2.0 Status: UNCONFIRMED Severity: normal Priority: P3 Component: tree-optimization AssignedTo: unassigned at gcc dot gnu dot org ReportedBy: