[Bug tree-optimization/86925] [9 Regression] ICE in get_predictor_value, at predict.c:2551

2018-08-15 Thread marxin at gcc dot gnu.org 
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=86925

Martin Liška  changed:

   What|Removed |Added

 Status|ASSIGNED|RESOLVED
 Resolution|--- |FIXED

--- Comment #5 from Martin Liška  ---
Fixed now.

[Bug tree-optimization/86925] [9 Regression] ICE in get_predictor_value, at predict.c:2551

2018-08-15 Thread marxin at gcc dot gnu.org 
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=86925

--- Comment #4 from Martin Liška  ---
Author: marxin
Date: Wed Aug 15 08:55:15 2018
New Revision: 263552

URL: https://gcc.gnu.org/viewcvs?rev=263552=gcc=rev
Log:
Fix merging of 2 predictors (PR tree-optimization/86925).

2018-08-15  Martin Liska  

PR tree-optimization/86925
* predict.c (expr_expected_value_1): When taking
later predictor, assign also probability.
Use fold_build2_initializer_loc in order to fold
the expression in -frounding-math.
2018-08-15  Martin Liska  

PR tree-optimization/86925
* gcc.dg/predict-20.c: New test.
* gcc.dg/predict-21.c: New test.

Added:
trunk/gcc/testsuite/gcc.dg/predict-20.c
trunk/gcc/testsuite/gcc.dg/predict-21.c
Modified:
trunk/gcc/ChangeLog
trunk/gcc/predict.c
trunk/gcc/testsuite/ChangeLog