diff options
Diffstat (limited to 'contrib/llvm-project/llvm/lib/Target/X86/X86InstrSystem.td')
| -rw-r--r-- | contrib/llvm-project/llvm/lib/Target/X86/X86InstrSystem.td | 13 |
1 files changed, 7 insertions, 6 deletions
diff --git a/contrib/llvm-project/llvm/lib/Target/X86/X86InstrSystem.td b/contrib/llvm-project/llvm/lib/Target/X86/X86InstrSystem.td index 355ddf26e3bb..b4dd99d08a62 100644 --- a/contrib/llvm-project/llvm/lib/Target/X86/X86InstrSystem.td +++ b/contrib/llvm-project/llvm/lib/Target/X86/X86InstrSystem.td @@ -529,16 +529,17 @@ let SchedRW = [WriteSystem] in { //===----------------------------------------------------------------------===// // XSAVE instructions let SchedRW = [WriteSystem] in { -let Predicates = [HasXSAVE] in { +// NOTE: No HasXSAVE predicate so that these can be used with _xgetbv/_xsetbv +// on Windows without needing to enable the xsave feature to be compatible with +// MSVC. let Defs = [EDX, EAX], Uses = [ECX] in - def XGETBV : I<0x01, MRM_D0, (outs), (ins), "xgetbv", []>, PS; +def XGETBV : I<0x01, MRM_D0, (outs), (ins), "xgetbv", []>, PS; let Uses = [EDX, EAX, ECX] in - def XSETBV : I<0x01, MRM_D1, (outs), (ins), - "xsetbv", - [(int_x86_xsetbv ECX, EDX, EAX)]>, PS; +def XSETBV : I<0x01, MRM_D1, (outs), (ins), + "xsetbv", + [(int_x86_xsetbv ECX, EDX, EAX)]>, PS; -} // HasXSAVE let Uses = [EDX, EAX] in { def XSAVE : I<0xAE, MRM4m, (outs), (ins opaquemem:$dst), |