[AArch64] Rewrite vca<ge, gt, le, lt> Neon patterns in C.

gcc/
	* config/aarch64/arm_neon.h
	(vac<ge, gt><sd>_f<32, 64>): Rename to...
	(vca<ge, gt><sd>_f<32, 64>): ...this, reimpliment in C.
	(vca<ge, gt, lt, le><q>_f<32, 64>): Reimpliment in C.



git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@198495 138bc75d-0d04-0410-961f-82ee72b054a4
[AArch64] Add testcases for FAC, FCM changes.

gcc/testsuite/
	* gcc.target/aarch64/scalar-vca.c: New.
	* gcc.target/aarch64/vect-vca.c: Likewise.



git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@198496 138bc75d-0d04-0410-961f-82ee72b054a4