[AArch64] Enable CCMP support for AArch64, PR64015 resolved

[AArch64] Enable CCMP support for AArch64, PR64015 resolved

gcc/
2015-01-16  Zhenqiang Chen  <zhenqiang.chen@arm.com>

	PR target/64015
	* ccmp.c (expand_ccmp_next): New function.
	(expand_ccmp_expr_1, expand_ccmp_expr): Handle operand insn sequence
	and compare insn sequence.
	* config/aarch64/aarch64.c (aarch64_code_to_ccmode,
	aarch64_gen_ccmp_first, aarch64_gen_ccmp_next): New functions.
	(TARGET_GEN_CCMP_FIRST, TARGET_GEN_CCMP_NEXT): New MICRO.
	* config/aarch64/aarch64.md (*ccmp_and): Changed to ccmp_and<mode>.
	(*ccmp_ior): Changed to ccmp_ior<mode>.
	(cmp<mode>): New pattern.
	* doc/tm.texi (TARGET_GEN_CCMP_FIRST, TARGET_GEN_CCMP_NEXT): Update
	parameters.
	* target.def (gen_ccmp_first, gen_ccmp_next): Update parameters.

gcc/testsuite/
2015-01-16  Zhenqiang Chen <zhenqiang.chen@arm.com>

	* gcc.dg/pr64015.c: New test.

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@219723 138bc75d-0d04-0410-961f-82ee72b054a4