i386.c (get_builtin_code_for_version): Add support for BMI and BMI2 multiversion...

i386.c (get_builtin_code_for_version): Add support for BMI and BMI2 multiversion functions.

gcc/ChangeLog:

	* config/i386/i386.c (get_builtin_code_for_version): Add
	support for BMI and BMI2 multiversion functions.
	(fold_builtin_cpu): Add F_BMI and F_BMI2.

libgcc/ChangeLog:

	* config/i386/cpuinfo.c (enum processor_features): Add FEATURE_BMI and
	FEATURE_BMI2.
	(get_available_features): Detect FEATURE_BMI and FEATURE_BMI2.

testsuite/ChangeLog:

	* gcc.target/i386/funcspec-5.c: Test new multiversion targets.
	* g++.dg/ext/mv17.C: Test BMI/BMI2 multiversion dispatcher.

Co-Authored-By: Uros Bizjak <ubizjak@gmail.com>
From-SVN: r220095