* gcc.target/i386/avx-os-support.h (XCR_XFEATURE_ENABLED_MASK): New.
	(XSTATE_FP): Ditto.
	(XSTATE_SSE): Ditto.
	(XSTATE_YMM): Ditto.
	(avx_os_support): Use new defines.

From-SVN: r188275