[Bug tree-optimization/95308] [10/11 Regression] ICE: in maybe_canonicalize_mem_ref_addr with -O3 -march=skylake-avx512 since r10-4203-g97c146036750e7cb

2020-05-25 Thread cvs-commit at gcc dot gnu.org 
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=95308

--- Comment #4 from CVS Commits  ---
The master branch has been updated by Richard Biener :

https://gcc.gnu.org/g:a0c623f58198d3c8f767a181574537720386b468

commit r11-606-ga0c623f58198d3c8f767a181574537720386b468
Author: Richard Biener 
Date:   Mon May 25 09:44:50 2020 +0200

tree-optimization/95308 - really avoid forward propagating of &TMR

This fixes a hole that still allowed forwarding of TARGET_MEM_REF
addresses.

2020-05-25  Richard Biener  

PR tree-optimization/95308
* tree-ssa-forwprop.c (pass_forwprop::execute): Generalize
test for TARGET_MEM_REFs.

* g++.dg/torture/pr95308.C: New testcase.

[Bug tree-optimization/95308] [10/11 Regression] ICE: in maybe_canonicalize_mem_ref_addr with -O3 -march=skylake-avx512 since r10-4203-g97c146036750e7cb

2020-05-25 Thread marxin at gcc dot gnu.org 
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=95308

Martin Liška  changed:

   What|Removed |Added

  Known to fail||10.1.0, 11.0
Summary|ICE: in |[10/11 Regression] ICE: in
   |maybe_canonicalize_mem_ref_ |maybe_canonicalize_mem_ref_
   |addr with -O3   |addr with -O3
   |-march=skylake-avx512   |-march=skylake-avx512 since
   ||r10-4203-g97c146036750e7cb
 CC||avieira at gcc dot gnu.org,
   ||marxin at gcc dot gnu.org
  Known to work||9.3.0

--- Comment #3 from Martin Liška  ---
Using --param=vect-epilogues-nomask=1 it started with
r10-4203-g97c146036750e7cb.