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r241735 - in /branches/gcc-6-branch/gcc: Change...
- From: ktkachov at gcc dot gnu dot org
- To: gcc-cvs at gcc dot gnu dot org
- Date: Tue, 01 Nov 2016 10:29:41 -0000
- Subject: r241735 - in /branches/gcc-6-branch/gcc: Change...
Author: ktkachov
Date: Tue Nov 1 10:29:40 2016
New Revision: 241735
URL: https://gcc.gnu.org/viewcvs?rev=241735&root=gcc&view=rev
Log:
[ree] PR rtl-optimization/78038: Handle global register dataflow definitions in ree
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-6-branch/gcc/testsuite/gcc.target/aarch64/pr78038.c
Modified:
branches/gcc-6-branch/gcc/ChangeLog
branches/gcc-6-branch/gcc/ree.c
branches/gcc-6-branch/gcc/testsuite/ChangeLog