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| author | Craig Topper <craig.topper@gmail.com> | 2015-02-07 23:36:51 +0000 |
|---|---|---|
| committer | Craig Topper <craig.topper@gmail.com> | 2015-02-07 23:36:51 +0000 |
| commit | e169c57188b3d560c3a4cd843e8e87a80cbf3b1f (patch) | |
| tree | c1b5b6a5c3b45cf18257f4eeecebd16678ce2a9e /llvm/lib/Target/X86/X86InstrSystem.td | |
| parent | 1d472db8cc99cdec5a912e30ae703b604a41d3bc (diff) | |
| download | bcm5719-llvm-e169c57188b3d560c3a4cd843e8e87a80cbf3b1f.tar.gz bcm5719-llvm-e169c57188b3d560c3a4cd843e8e87a80cbf3b1f.zip | |
[X86] Add register use/def for wrmsr and rdmsr.
llvm-svn: 228515
Diffstat (limited to 'llvm/lib/Target/X86/X86InstrSystem.td')
| -rw-r--r-- | llvm/lib/Target/X86/X86InstrSystem.td | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/llvm/lib/Target/X86/X86InstrSystem.td b/llvm/lib/Target/X86/X86InstrSystem.td index c2b593ac70b..0350566f8b9 100644 --- a/llvm/lib/Target/X86/X86InstrSystem.td +++ b/llvm/lib/Target/X86/X86InstrSystem.td @@ -438,7 +438,9 @@ def LLDT16m : I<0x00, MRM2m, (outs), (ins i16mem:$src), //===----------------------------------------------------------------------===// // Specialized register support let SchedRW = [WriteSystem] in { +let Uses = [EAX, ECX, EDX] in def WRMSR : I<0x30, RawFrm, (outs), (ins), "wrmsr", [], IIC_WRMSR>, TB; +let Defs = [EAX, EDX], Uses = [ECX] in def RDMSR : I<0x32, RawFrm, (outs), (ins), "rdmsr", [], IIC_RDMSR>, TB; let Defs = [RAX, RDX], Uses = [ECX] in |
