* config/i386/i386-options.c (ix86_omp_device_kind_arch_isa): Don't
	change sse4.2 to sse4_2 and sse4.1 to sse4.1.
	* config/i386/t-omp-device (omp-device-properties-i386): Likewise.

	* c-c++-common/gomp/declare-variant-11.c: Add "sse4.2" and "sse4.1"
	test.

From-SVN: r278205