[Bug rtl-optimization/71150] [7 Regression] ICE on valid code at -O1 and above in 64-bit mode on x86_64-linux-gnu in lra_eliminate_reg_if_possible, at lra-eliminations.c:1402

[mpolacek at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=71150

Marek Polacek <mpolacek at gcc dot gnu.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|UNCONFIRMED                 |NEW
   Last reconfirmed|                            |2016-05-16
                 CC|                            |mpolacek at gcc dot gnu.org
   Target Milestone|---                         |7.0
            Summary|ICE on valid code at -O1    |[7 Regression] ICE on valid
                   |and above in 64-bit mode on |code at -O1 and above in
                   |x86_64-linux-gnu in         |64-bit mode on
                   |lra_eliminate_reg_if_possib |x86_64-linux-gnu in
                   |le, at                      |lra_eliminate_reg_if_possib
                   |lra-eliminations.c:1402     |le, at
                   |                            |lra-eliminations.c:1402
     Ever confirmed|0                           |1

--- Comment #1 from Marek Polacek <mpolacek at gcc dot gnu.org> ---
Started with:

commit 4fe01ba94e99e792ebe9da2ccb3b071aa1bac388
Author: jiwang <jiwang@138bc75d-0d04-0410-961f-82ee72b054a4>
Date:   Thu May 12 17:00:52 2016 +0000

    [LRA] PR70904, relax the restriction on subreg reload for wide mode

    2016-05-12  Jiong Wang  <jiong.wang@arm.com>

    gcc/
      PR rtl-optimization/70904
      * lra-constraint.c (process_addr_reg): Relax the restriction on
      subreg reload for wide mode.



    git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@236181
138bc75d-0d04-0410-961f-82ee72b054a4