Enable gcc support for UINTR

Enable gcc support for UINTR

2020-05-20  Hongtao Liu  <hongtao.liu@intel.com>

gcc/
	* common/config/i386/cpuinfo.h (get_available_features):
	Detect UINTR.
	* common/config/i386/i386-common.c (OPTION_MASK_ISA2_UINTR_SET
	OPTION_MASK_ISA2_UINTR_UNSET): New.
	(ix86_handle_option): Handle -muintr.
	* common/config/i386/i386-cpuinfo.h (enum processor_features):
	Add FEATURE_UINTR.
	* common/config/i386/i386-isas.h: Add ISA_NAMES_TABLE_ENTRY
	for uintr.
	* config.gcc: Add uintrintrin.h to extra_headers.
	* config/i386/uintrintrin.h: New.
	* config/i386/cpuid.h (bit_UINTR): New.
	* config/i386/i386-builtin-types.def: Add new types.
	* config/i386/i386-builtin.def: Add new builtins.
	* config/i386/i386-builtins.c (ix86_init_mmx_sse_builtins): Add
	__builtin_ia32_testui.
	* config/i386/i386-builtins.h (ix86_builtins): Add
	IX86_BUILTIN_TESTUI.
	* config/i386/i386-c.c (ix86_target_macros_internal): Define
	__UINTR__.
	* config/i386/i386-expand.c (ix86_expand_special_args_builtin):
	Handle UINT8_FTYPE_VOID.
	(ix86_expand_builtin): Handle IX86_BUILTIN_TESTUI.
	* config/i386/i386-options.c (isa2_opts): Add -muintr.
	(ix86_valid_target_attribute_inner_p): Handle UINTR.
	(ix86_option_override_internal): Add TARGET_64BIT check for UINTR.
	* config/i386/i386.h (TARGET_UINTR, TARGET_UINTR_P, PTA_UINTR): New.
	(PTA_SAPPHIRRAPIDS): Add PTA_UINTR.
	* config/i386/i386.opt: Add -muintr.
	* config/i386/i386.md
	(define_int_iterator UINTR_UNSPECV): New.
	(define_int_attr uintr_unspecv): New.
	(uintr_<uintr_unspecv>, uintr_senduipi, testui):
	New define_insn patterns.
	* config/i386/x86gprintrin.h: Include uintrintrin.h
	* doc/invoke.texi: Document -muintr.
	* doc/extend.texi: Document uintr.

gcc/testsuite/

	* gcc.target/i386/funcspec-56.inc: Add new target attribute.
	* gcc.target/i386/uintr-1.c: New test.
	* gcc.target/i386/uintr-2.c: Ditto.
	* gcc.target/i386/uintr-3.c: Ditto.
	* gcc.target/i386/uintr-4.c: Ditto.
	* gcc.target/i386/uintr-5.c: Ditto.
	* gcc.target/i386/x86gprintrin-1.c: Add -muintr for 64bit target.
	* gcc.target/i386/x86gprintrin-2.c: Ditto.
	* gcc.target/i386/x86gprintrin-3.c: Ditto.
	* gcc.target/i386/x86gprintrin-4.c: Add muintr for 64bit target.
	* gcc.target/i386/x86gprintrin-5.c: Ditto.