[Bug rtl-optimization/78038] [5 Regression] internal compiler error: in get_sub_rtx, at ree.c:655
ktkachov at gcc dot gnu.org
gcc-bugzilla@gcc.gnu.org
Fri Dec 2 12:23:00 GMT 2016
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 <kyrylo.tkachov@arm.com>
Backport from mainline
2016-10-21 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
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
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