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Diffstat (limited to 'ChocolArm64/Instructions/InstEmitMemory.cs')
| -rw-r--r-- | ChocolArm64/Instructions/InstEmitMemory.cs | 241 |
1 files changed, 0 insertions, 241 deletions
diff --git a/ChocolArm64/Instructions/InstEmitMemory.cs b/ChocolArm64/Instructions/InstEmitMemory.cs deleted file mode 100644 index 1328f393..00000000 --- a/ChocolArm64/Instructions/InstEmitMemory.cs +++ /dev/null @@ -1,241 +0,0 @@ -using ChocolArm64.Decoders; -using ChocolArm64.Translation; -using System.Reflection.Emit; - -using static ChocolArm64.Instructions.InstEmitMemoryHelper; - -namespace ChocolArm64.Instructions -{ - static partial class InstEmit - { - public static void Adr(ILEmitterCtx context) - { - OpCodeAdr64 op = (OpCodeAdr64)context.CurrOp; - - context.EmitLdc_I(op.Position + op.Imm); - context.EmitStintzr(op.Rd); - } - - public static void Adrp(ILEmitterCtx context) - { - OpCodeAdr64 op = (OpCodeAdr64)context.CurrOp; - - context.EmitLdc_I((op.Position & ~0xfffL) + (op.Imm << 12)); - context.EmitStintzr(op.Rd); - } - - public static void Ldr(ILEmitterCtx context) => EmitLdr(context, false); - public static void Ldrs(ILEmitterCtx context) => EmitLdr(context, true); - - private static void EmitLdr(ILEmitterCtx context, bool signed) - { - OpCodeMem64 op = (OpCodeMem64)context.CurrOp; - - EmitLoadAddress(context); - - if (signed && op.Extend64) - { - EmitReadSx64Call(context, op.Size); - } - else if (signed) - { - EmitReadSx32Call(context, op.Size); - } - else - { - EmitReadZxCall(context, op.Size); - } - - if (op is IOpCodeSimd64) - { - context.EmitStvec(op.Rt); - } - else - { - context.EmitStintzr(op.Rt); - } - - EmitWBackIfNeeded(context); - } - - public static void Ldr_Literal(ILEmitterCtx context) - { - IOpCodeLit64 op = (IOpCodeLit64)context.CurrOp; - - if (op.Prefetch) - { - return; - } - - context.EmitLdc_I8(op.Imm); - - if (op.Signed) - { - EmitReadSx64Call(context, op.Size); - } - else - { - EmitReadZxCall(context, op.Size); - } - - if (op is IOpCodeSimd64) - { - context.EmitStvec(op.Rt); - } - else - { - context.EmitStint(op.Rt); - } - } - - public static void Ldp(ILEmitterCtx context) - { - OpCodeMemPair64 op = (OpCodeMemPair64)context.CurrOp; - - void EmitReadAndStore(int rt) - { - if (op.Extend64) - { - EmitReadSx64Call(context, op.Size); - } - else - { - EmitReadZxCall(context, op.Size); - } - - if (op is IOpCodeSimd64) - { - context.EmitStvec(rt); - } - else - { - context.EmitStintzr(rt); - } - } - - EmitLoadAddress(context); - - EmitReadAndStore(op.Rt); - - context.EmitLdtmp(); - context.EmitLdc_I8(1 << op.Size); - - context.Emit(OpCodes.Add); - - EmitReadAndStore(op.Rt2); - - EmitWBackIfNeeded(context); - } - - public static void Str(ILEmitterCtx context) - { - OpCodeMem64 op = (OpCodeMem64)context.CurrOp; - - EmitLoadAddress(context); - - if (op is IOpCodeSimd64) - { - context.EmitLdvec(op.Rt); - } - else - { - context.EmitLdintzr(op.Rt); - } - - EmitWriteCall(context, op.Size); - - EmitWBackIfNeeded(context); - } - - public static void Stp(ILEmitterCtx context) - { - OpCodeMemPair64 op = (OpCodeMemPair64)context.CurrOp; - - EmitLoadAddress(context); - - if (op is IOpCodeSimd64) - { - context.EmitLdvec(op.Rt); - } - else - { - context.EmitLdintzr(op.Rt); - } - - EmitWriteCall(context, op.Size); - - context.EmitLdtmp(); - context.EmitLdc_I8(1 << op.Size); - - context.Emit(OpCodes.Add); - - if (op is IOpCodeSimd64) - { - context.EmitLdvec(op.Rt2); - } - else - { - context.EmitLdintzr(op.Rt2); - } - - EmitWriteCall(context, op.Size); - - EmitWBackIfNeeded(context); - } - - private static void EmitLoadAddress(ILEmitterCtx context) - { - switch (context.CurrOp) - { - case OpCodeMemImm64 op: - context.EmitLdint(op.Rn); - - if (!op.PostIdx) - { - // Pre-indexing. - context.EmitLdc_I(op.Imm); - - context.Emit(OpCodes.Add); - } - break; - - case OpCodeMemReg64 op: - context.EmitLdint(op.Rn); - context.EmitLdintzr(op.Rm); - context.EmitCast(op.IntType); - - if (op.Shift) - { - context.EmitLsl(op.Size); - } - - context.Emit(OpCodes.Add); - break; - } - - // Save address to Scratch var since the register value may change. - context.Emit(OpCodes.Dup); - - context.EmitSttmp(); - } - - private static void EmitWBackIfNeeded(ILEmitterCtx context) - { - // Check whenever the current OpCode has post-indexed write back, if so write it. - // Note: AOpCodeMemPair inherits from AOpCodeMemImm, so this works for both. - if (context.CurrOp is OpCodeMemImm64 op && op.WBack) - { - context.EmitLdtmp(); - - if (op.PostIdx) - { - context.EmitLdc_I(op.Imm); - - context.Emit(OpCodes.Add); - } - - context.EmitStint(op.Rn); - } - } - } -}
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