[Bug tree-optimization/80218] [6/7 Regression] tree-call-cdce does not update block frequencies

2017-03-27 Thread rsandifo at gcc dot gnu.org 
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=80218

rsandifo at gcc dot gnu.org  changed:

   What|Removed |Added

 Status|UNCONFIRMED |ASSIGNED
   Last reconfirmed||2017-03-27
   Assignee|unassigned at gcc dot gnu.org  |rsandifo at gcc dot 
gnu.org
 Ever confirmed|0   |1

--- Comment #1 from rsandifo at gcc dot gnu.org  
---
Testing a patch.

[Bug tree-optimization/80218] [6/7 Regression] tree-call-cdce does not update block frequencies

2017-03-27 Thread rsandifo at gcc dot gnu.org 
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=80218

--- Comment #2 from rsandifo at gcc dot gnu.org  
---
A simple test case is:

#include 

void
f (float *x)
{
  x[0] = sqrtf (x[0]);
}

which ought to spill x only when a call to sqrtf is needed.

[Bug tree-optimization/80218] [6/7 Regression] tree-call-cdce does not update block frequencies

2017-03-27 Thread rguenth at gcc dot gnu.org 
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=80218

Richard Biener  changed:

   What|Removed |Added

   Keywords||missed-optimization
   Priority|P3  |P2
   Target Milestone|--- |6.4

[Bug tree-optimization/80218] [6/7 Regression] tree-call-cdce does not update block frequencies

2017-03-28 Thread law at gcc dot gnu.org 
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=80218

--- Comment #3 from Jeffrey A. Law  ---
Author: law
Date: Tue Mar 28 15:14:36 2017
New Revision: 246538

URL: https://gcc.gnu.org/viewcvs?rev=246538&root=gcc&view=rev
Log:
gcc/
PR tree-optimization/80218
* tree-call-cdce.c (shrink_wrap_one_built_in_call_with_conds):
Update block frequencies and counts.

gcc/testsuite/
PR tree-optimization/80218
* gcc.dg/pr80218.c: New test.

Added:
trunk/gcc/testsuite/gcc.dg/pr80218.c
Modified:
trunk/gcc/ChangeLog
trunk/gcc/testsuite/ChangeLog
trunk/gcc/tree-call-cdce.c