diff options
Diffstat (limited to 'ARMeilleure/Instructions/InstEmitMemoryHelper.cs')
| -rw-r--r-- | ARMeilleure/Instructions/InstEmitMemoryHelper.cs | 42 |
1 files changed, 41 insertions, 1 deletions
diff --git a/ARMeilleure/Instructions/InstEmitMemoryHelper.cs b/ARMeilleure/Instructions/InstEmitMemoryHelper.cs index 2877d53e..f97e395c 100644 --- a/ARMeilleure/Instructions/InstEmitMemoryHelper.cs +++ b/ARMeilleure/Instructions/InstEmitMemoryHelper.cs @@ -123,6 +123,41 @@ namespace ARMeilleure.Instructions context.CurrOp is OpCodeSimdMemSs); } + public static Operand EmitReadInt(ArmEmitterContext context, Operand address, int size) + { + Operand temp = context.AllocateLocal(size == 3 ? OperandType.I64 : OperandType.I32); + + Operand lblSlowPath = Label(); + Operand lblEnd = Label(); + + Operand physAddr = EmitPtPointerLoad(context, address, lblSlowPath, write: false, size); + + Operand value = default; + + switch (size) + { + case 0: value = context.Load8 (physAddr); break; + case 1: value = context.Load16(physAddr); break; + case 2: value = context.Load (OperandType.I32, physAddr); break; + case 3: value = context.Load (OperandType.I64, physAddr); break; + } + + context.Copy(temp, value); + + if (!context.Memory.Type.IsHostMapped()) + { + context.Branch(lblEnd); + + context.MarkLabel(lblSlowPath, BasicBlockFrequency.Cold); + + context.Copy(temp, EmitReadIntFallback(context, address, size)); + + context.MarkLabel(lblEnd); + } + + return temp; + } + private static void EmitReadInt(ArmEmitterContext context, Operand address, int rt, int size) { Operand lblSlowPath = Label(); @@ -420,6 +455,11 @@ namespace ARMeilleure.Instructions private static void EmitReadIntFallback(ArmEmitterContext context, Operand address, int rt, int size) { + SetInt(context, rt, EmitReadIntFallback(context, address, size)); + } + + private static Operand EmitReadIntFallback(ArmEmitterContext context, Operand address, int size) + { MethodInfo info = null; switch (size) @@ -430,7 +470,7 @@ namespace ARMeilleure.Instructions case 3: info = typeof(NativeInterface).GetMethod(nameof(NativeInterface.ReadUInt64)); break; } - SetInt(context, rt, context.Call(info, address)); + return context.Call(info, address); } private static void EmitReadVectorFallback( |