[Bug tree-optimization/95855] A missing ifcvt optimization to generate fcsel

2021-05-30 Thread pinskia at gcc dot gnu.org via Gcc-bugs 
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=95855

Andrew Pinski  changed:

   What|Removed |Added

   Target Milestone|--- |11.0
 Status|UNCONFIRMED |RESOLVED
 Resolution|--- |FIXED

--- Comment #2 from Andrew Pinski  ---
Fixed.

[Bug tree-optimization/95855] A missing ifcvt optimization to generate fcsel

2020-06-30 Thread cvs-commit at gcc dot gnu.org 
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=95855

--- Comment #1 from CVS Commits  ---
The master branch has been updated by Richard Biener :

https://gcc.gnu.org/g:33d114f570b4a3583421c700396fd5945acebc28

commit r11-1731-g33d114f570b4a3583421c700396fd5945acebc28
Author: Yang Yang 
Date:   Tue Jun 30 18:04:31 2020 +0800

tree-optimization/95855 - Add checks to avoid spoiling if-conversion if

Add some checks in pass_splits_paths, so that pass_split_paths can
recognize the missed if-conversion opportunity and do not duplicate the
corresponding block.

2020-06-30 Yang Yang 

gcc/ChangeLog:

PR tree-optimization/95855
* gimple-ssa-split-paths.c (is_feasible_trace): Add extra
checks to recognize a missed if-conversion opportunity when
judging whether to duplicate a block.

gcc/testsuite/ChangeLog

PR tree-optimization/95855
* gcc.dg/tree-ssa/split-path-12.c: New testcase.