Support Intel RAO-INT

Support Intel RAO-INT

gcc/ChangeLog:

	* common/config/i386/cpuinfo.h (get_available_features):
	Detect raoint.
	* common/config/i386/i386-common.cc (OPTION_MASK_ISA2_RAOINT_SET,
	OPTION_MASK_ISA2_RAOINT_UNSET): New.
	(ix86_handle_option): Handle -mraoint.
	* common/config/i386/i386-cpuinfo.h (enum processor_features):
	Add FEATURE_RAOINT.
	* common/config/i386/i386-isas.h: Add ISA_NAME_TABLE_ENTRY for
	raoint.
	* config.gcc: Add raointintrin.h
	* config/i386/cpuid.h (bit_RAOINT): New.
	* config/i386/i386-builtin.def (BDESC): Add new builtins.
	* config/i386/i386-c.cc (ix86_target_macros_internal): Define
	__RAOINT__.
	* config/i386/i386-isa.def (RAOINT): Add DEF_PTA(RAOINT).
	* config/i386/i386-options.cc (ix86_valid_target_attribute_inner_p):
	Add -mraoint.
	* config/i386/sync.md (rao_a<raointop><mode>): New define insn.
	* config/i386/i386.opt: Add option -mraoint.
	* config/i386/x86gprintrin.h: Include raointintrin.h.
	* doc/extend.texi: Document raoint.
	* doc/invoke.texi: Document -mraoint.
	* doc/sourcebuild.texi: Document target raoint.
	* config/i386/raointintrin.h: New file.

gcc/testsuite/ChangeLog:

	* g++.dg/other/i386-2.C: Add -mraoint.
	* g++.dg/other/i386-3.C: Ditto.
	* gcc.target/i386/funcspec-56.inc: Add new target attribute.
	* gcc.target/i386/sse-12.c: Add -mraoint.
	* gcc.target/i386/sse-13.c: Ditto.
	* gcc.target/i386/sse-14.c: Ditto.
	* gcc.target/i386/sse-22.c: Add raoint target.
	* gcc.target/i386/sse-23.c: Ditto.
	* lib/target-supports.exp: Add check_effective_target_raoint.
	* gcc.target/i386/rao-helper.h: New test.
	* gcc.target/i386/raoint-1.c: Ditto.
	* gcc.target/i386/raoint-aadd-2.c: Ditto.
	* gcc.target/i386/raoint-aand-2.c: Ditto.
	* gcc.target/i386/raoint-aor-2.c: Ditto.
	* gcc.target/i386/raoint-axor-2.c: Ditto.
	* gcc.target/i386/x86gprintrin-1.c: Ditto.
	* gcc.target/i386/x86gprintrin-2.c: Ditto.
	* gcc.target/i386/x86gprintrin-3.c: Ditto.
	* gcc.target/i386/x86gprintrin-4.c: Ditto.
	* gcc.target/i386/x86gprintrin-5.c: Ditto.