diff options
Diffstat (limited to 'ARMeilleure/CodeGen/X86/CodeGenerator.cs')
| -rw-r--r-- | ARMeilleure/CodeGen/X86/CodeGenerator.cs | 25 |
1 files changed, 13 insertions, 12 deletions
diff --git a/ARMeilleure/CodeGen/X86/CodeGenerator.cs b/ARMeilleure/CodeGen/X86/CodeGenerator.cs index 8b5a3fc5..e7179b51 100644 --- a/ARMeilleure/CodeGen/X86/CodeGenerator.cs +++ b/ARMeilleure/CodeGen/X86/CodeGenerator.cs @@ -249,10 +249,9 @@ namespace ARMeilleure.CodeGen.X86 case IntrinsicType.Mxcsr: { Operand offset = operation.GetSource(0); - Operand bits = operation.GetSource(1); - Debug.Assert(offset.Kind == OperandKind.Constant && bits.Kind == OperandKind.Constant); - Debug.Assert(offset.Type == OperandType.I32 && bits.Type == OperandType.I32); + Debug.Assert(offset.Kind == OperandKind.Constant); + Debug.Assert(offset.Type == OperandType.I32); int offs = offset.AsInt32() + context.CallArgsRegionSize; @@ -261,21 +260,23 @@ namespace ARMeilleure.CodeGen.X86 Debug.Assert(HardwareCapabilities.SupportsSse || HardwareCapabilities.SupportsVexEncoding); - context.Assembler.Stmxcsr(memOp); - - if (operation.Intrinsic == Intrinsic.X86Mxcsrmb) + if (operation.Intrinsic == Intrinsic.X86Ldmxcsr) { - context.Assembler.Or(memOp, bits, OperandType.I32); + Operand bits = operation.GetSource(1); + Debug.Assert(bits.Type == OperandType.I32); + + context.Assembler.Mov(memOp, bits, OperandType.I32); + context.Assembler.Ldmxcsr(memOp); } - else /* if (intrinOp.Intrinsic == Intrinsic.X86Mxcsrub) */ + else if (operation.Intrinsic == Intrinsic.X86Stmxcsr) { - Operand notBits = Const(~bits.AsInt32()); + Operand dest = operation.Destination; + Debug.Assert(dest.Type == OperandType.I32); - context.Assembler.And(memOp, notBits, OperandType.I32); + context.Assembler.Stmxcsr(memOp); + context.Assembler.Mov(dest, memOp, OperandType.I32); } - context.Assembler.Ldmxcsr(memOp); - break; } |