Reid Kleckner f2cdc0b1e9 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.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@217173 91177308-0d34-0410-b5e6-96231b3b80d8

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

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