aarch64.md (<optab>_trunc><vf><GPI:mode>2): New pattern.

aarch64.md (<optab>_trunc><vf><GPI:mode>2): New pattern.

2017-10-26  Michael Collison  <michael.collison@arm.com>

	* config/aarch64/aarch64.md(<optab>_trunc><vf><GPI:mode>2):
	New pattern.
	(<optab>_trunchf<GPI:mode>2: New pattern.
	(<optab>_trunc<vgp><GPI:mode>2: New pattern.
	* config/aarch64/iterators.md (wv): New mode attribute.
	(vf, VF): New mode attributes.
	(vgp, VGP): New mode attributes.
	(s): Update attribute with SImode and DImode prefixes.
	* testsuite/gcc.target/aarch64/fix_trunc1.c: New testcase.
	* testsuite/gcc.target/aarch64/vect-vcvt.c: Fix scan-assembler
	directives to allow float or integer destination registers for
	fcvtz[su].

From-SVN: r254133