r239919 - in /trunk/gcc: ChangeLog config/aarch...

Thu Sep 1 09:03:00 GMT 2016

Author: ktkachov
Date: Thu Sep  1 09:03:52 2016
New Revision: 239919

URL: https://gcc.gnu.org/viewcvs?rev=239919&root=gcc&view=rev
Log:
[AArch64] Add ANDS pattern for CMP+ZERO_EXTEND

	* config/aarch64/aarch64.md (*ands<mode>_compare0): New pattern.
	* config/aarch64/aarch64.c (aarch64_select_cc_mode): Return CC_NZmode
	for comparisons of integer ZERO_EXTEND against zero.

	* gcc.target/aarch64/ands_3.c: New test.


Added:
    trunk/gcc/testsuite/gcc.target/aarch64/ands_3.c
Modified:
    trunk/gcc/ChangeLog
    trunk/gcc/config/aarch64/aarch64.c
    trunk/gcc/config/aarch64/aarch64.md
    trunk/gcc/testsuite/ChangeLog