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Implement xgetbv and xsetbv.

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Patch by Jai Menon.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@126165 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Rafael Espindola
2011-02-22 00:35:18 +00:00
parent f8597eb0d9
commit 87ca0e077d
6 changed files with 26 additions and 1 deletions
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lib/Target/X86/X86InstrSystem.td
+5
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@@ -388,3 +388,8 @@ def CPUID : I<0xA2, RawFrm, (outs), (ins), "cpuid", []>, TB;
def INVD : I<0x08, RawFrm, (outs), (ins), "invd", []>, TB;
def WBINVD : I<0x09, RawFrm, (outs), (ins), "wbinvd", []>, TB;
let Defs = [RDX, RAX], Uses = [RCX] in
def XGETBV : I<0x01, MRM_D0, (outs), (ins), "xgetbv", []>, TB;
let Uses = [RDX, RAX, RCX] in
def XSETBV : I<0x01, MRM_D1, (outs), (ins), "xsetbv", []>, TB;