[Bug rtl-optimization/78038] [5 Regression] internal compiler error: in get_sub_rtx, at ree.c:655

[ktkachov at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=78038

ktkachov at gcc dot gnu.org changed:

   What|Removed |Added

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

--- Comment #13 from ktkachov at gcc dot gnu.org ---
Fixed on all active branches

[Bug rtl-optimization/78038] [5 Regression] internal compiler error: in get_sub_rtx, at ree.c:655

[ktkachov at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=78038

--- Comment #12 from ktkachov at gcc dot gnu.org ---
Author: ktkachov
Date: Fri Dec  2 12:22:54 2016
New Revision: 243175

URL: https://gcc.gnu.org/viewcvs?rev=243175&root=gcc&view=rev
Log:
[ree] PR rtl-optimization/78038: Handle global register dataflow definitions in
ree

2016-12-02  Kyrylo Tkachov  

Backport from mainline
2016-10-21  Kyrylo Tkachov  

PR rtl-optimization/78038
* ree.c (get_defs): Return NULL if a defining insn for REG cannot
be deduced to set REG through the RTL structure.
(make_defs_and_copies_lists): Return false on a failing get_defs call.

* gcc.target/aarch64/pr78038.c: New test.


Added:
branches/gcc-5-branch/gcc/testsuite/gcc.target/aarch64/pr78038.c
Modified:
branches/gcc-5-branch/gcc/ChangeLog
branches/gcc-5-branch/gcc/ree.c
branches/gcc-5-branch/gcc/testsuite/ChangeLog

[Bug rtl-optimization/78038] [5 Regression] internal compiler error: in get_sub_rtx, at ree.c:655

[rguenth at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=78038

Richard Biener  changed:

   What|Removed |Added

   Priority|P3  |P2
  Known to work||6.2.1
Summary|[5/6 Regression] internal   |[5 Regression] internal
   |compiler error: in  |compiler error: in
   |get_sub_rtx, at ree.c:655   |get_sub_rtx, at ree.c:655
  Known to fail||6.2.0