r234931 - in /branches/gcc-4_9-branch/gcc: Chan...

Wed Apr 13 08:24:00 GMT 2016

Author: ktkachov
Date: Wed Apr 13 08:24:43 2016
New Revision: 234931

URL: https://gcc.gnu.org/viewcvs?rev=234931&root=gcc&view=rev
Log:
[ARM] PR target/70566 Check that condition register is dead in tst-imm -> lsls-imm Thumb2 peepholes

	Backport from mainline
	2016-04-08  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>

	PR target/70566
	* config/arm/thumb2.md (tst + branch-> lsls + branch
	peephole below *orsi_not_shiftsi_si): Require that condition
	register is dead after the peephole.
	(second peephole after the above): Likewise.

	* gcc.c-torture/execute/pr70566.c: New test.


Added:
    branches/gcc-4_9-branch/gcc/testsuite/gcc.c-torture/execute/pr70566.c
Modified:
    branches/gcc-4_9-branch/gcc/ChangeLog
    branches/gcc-4_9-branch/gcc/config/arm/thumb2.md
    branches/gcc-4_9-branch/gcc/testsuite/ChangeLog