r206529 - in /trunk/gcc: ChangeLog config/aarch...

[rearnsha@gcc.gnu.org]

Author: rearnsha
Date: Fri Jan 10 15:12:03 2014
New Revision: 206529

URL: http://gcc.gnu.org/viewcvs?rev=206529&root=gcc&view=rev
Log:
	PR target/9744

gcc:
	* aarch64-modes.def (CC_Zmode): New flags mode.
	* aarch64.c (aarch64_select_cc_mode): Only allow NEG when the condition
	represents an equality.
	(aarch64_get_condition_code0): Handle CC_Zmode.
	* aarch64.md (compare_neg<mode>): Restrict to equality operations.

gcc/testsuite:
	* gcc.target/aarch64/cmn-neg.c: Use equality comparisons.
	* gcc.target/aarch64/cmn-neg2.c: New test.


Added:
    trunk/gcc/testsuite/gcc.target/aarch64/cmn-neg2.c
Modified:
    trunk/gcc/ChangeLog
    trunk/gcc/config/aarch64/aarch64-modes.def
    trunk/gcc/config/aarch64/aarch64.c
    trunk/gcc/config/aarch64/aarch64.md
    trunk/gcc/testsuite/ChangeLog
    trunk/gcc/testsuite/gcc.target/aarch64/cmn-neg.c