Reid Kleckner aedf0d705f X86: cpuid and xgetbv write to 32-bit registers, not 64-bit ...

This fixes an issue where MS inline assembly containing xgetbv wouldn't
be marked as clobbering EAX:EDX. Test for that forthcoming on the Clang
side.

llvm-svn: 217173

2014-09-04 16:58:25 +00:00

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