AVX-512.

AVX-512.

AVX-512. Add missing features to cpuinfo.c
gcc/
	* config/i386/i386.c (processor_features): Add F_AVX512VBMI,
	F_AVX512IFMA.
	(isa_names_table): Handle F_AVX512VBMI and F_AVX512IFMA.
libgcc/
	* config/i386/cpuinfo.c (processor_features): Add
	FEATURE_AVX512VBMI and FEATURE_AVX512VBMI.
testsuite/
	* gcc.target/i386/builtin_target.c: Handle "avx512ifma"
	and "avx512vbmi".

From-SVN: r228399