[ARM] Implement support for ACLE Coprocessor MCRR and MRRC intrinsics

[ARM] Implement support for ACLE Coprocessor MCRR and MRRC intrinsics

gcc/ChangeLog:
2017-01-06  Andre Vieira  <andre.simoesdiasvieira@arm.com>

	* config/arm/arm.md (<mcrr>): New.
	(<mrrc>): New.
	* config/arm/arm.c (arm_arch5te): New.
	(arm_option_override): Set arm_arch5te.
	(arm_coproc_builtin_available): Add support for mcrr, mcrr2, mrrc
	and mrrc2.
	* config/arm/arm-builtins.c (MCRR_QUALIFIERS): Define to...
	(arm_mcrr_qualifiers): ... this. New.
	(MRRC_QUALIFIERS): Define to...
	(arm_mrrc_qualifiers): ... this. New.
	* config/arm/arm_acle.h (__arm_mcrr, __arm_mcrr2, __arm_mrrc,
	__arm_mrrc2): New.
	* config/arm/arm_acle_builtins.def (mcrr, mcrr2, mrrc, mrrc2): New.
	* config/arm/iterators.md (MCRRI, mcrr, MCRR): New.
	(MRRCI, mrrc, MRRC): New.
	* config/arm/unspecs.md (VUNSPEC_MCRR, VUNSPEC_MCRR2, VUNSPEC_MRRC,
	VUNSPEC_MRRC2): New.

gcc/testsuite/ChangeLog:
2017-01-06  Andre Vieira  <andre.simoesdiasvieira@arm.com>

	* gcc.target/arm/acle/mcrr: New.
	* gcc.target/arm/acle/mcrr2: New.
	* gcc.target/arm/acle/mrrc: New.
	* gcc.target/arm/acle/mrrc2: New.

From-SVN: r244175