#include "../BasicCompiler_Common/common.h"
#include "Opcode.h"

BOOL IsUse_r11(RELATIVE_VAR *pRelativeVar){
	if(pRelativeVar->bOffsetOffset||pRelativeVar->dwKind==VAR_DIRECTMEM) return 1;
	return 0;
}

void SetStructVariableFromRax(LONG_PTR lpVarIndex,int CalcType,LONG_PTR lpCalcIndex,RELATIVE_VAR *pRelativeVar,BOOL bUseHeap){
	int RightTermReg;
	pobj_reg=new CRegister(REG_RCX);

	//VarRegにオブジェクトポインタをコピー
	int VarReg;
	VarReg=pobj_reg->LockReg();
	SetVarPtrToReg(VarReg,pRelativeVar);

	//右辺
	if(IsRealNumberType(CalcType)){
		RightTermReg=pobj_reg->LockXmmReg();

		if(CalcType==DEF_DOUBLE){
			//movlsd RightTermReg,xmm0
			op_movsd_RR(RightTermReg,REG_XMM0);
		}
		else if(CalcType==DEF_SINGLE){
			//movlss RightTermReg,xmm0
			op_movss_RR(RightTermReg,REG_XMM0);
		}
	}
	else{
		RightTermReg=pobj_reg->LockReg();

		//mov RightTermReg,rax
		op_mov_RR(RightTermReg,REG_RAX);
	}

/*
	TODO: 消す
	///////////////////////////////////////////////////////////////////
	// オペレータ '=' のオーバーロード関数を呼ぶ
	///////////////////////////////////////////////////////////////////

	int type[10];
	LONG_PTR index_stack[10];
	BOOL array_bUseHeap[10];
	int sp=2;

	//左辺
	type[0]=DEF_OBJECT;
	index_stack[0]=lpVarIndex;
	array_bUseHeap[0]=0;

	//右辺
	type[1]=CalcType;
	index_stack[1]=lpCalcIndex;
	array_bUseHeap[1]=bUseHeap;


	int iRet;
	iRet=CallOperatorProc(CALC_SUBSITUATION,NULL,type,index_stack,array_bUseHeap,sp);
*/
	//右辺用レジスタを解除
	if(IsRealNumberType(CalcType)) pobj_reg->UnlockXmmReg();
	else pobj_reg->UnlockReg();

	//左辺用レジスタを解除
	pobj_reg->UnlockReg();

	//レジスタ管理オブジェクトを破棄
	delete pobj_reg;
	pobj_reg=0;


	if( CalcType == DEF_STRUCT ){
		CClass *pVarClass = (CClass *)lpVarIndex;
		CClass *pCalcClass = (CClass *)lpCalcIndex;

		if( pVarClass->IsEquals( pCalcClass ) ){			//等しい

				//双方のオブジェクト型が一致、または派生・継承関係にあるとき
				//※コピーを行う

				//mov rsi,RightTermReg
				op_mov_RR(REG_RSI,RightTermReg);

				//mov rdi,VarReg
				op_mov_RR(REG_RDI,VarReg);

				CClass *pClass = (CClass *)lpVarIndex;
				int object_size = pClass->GetSize();

				//mov rcx,object_size
				op_mov_RV(sizeof(_int64),REG_RCX,object_size);

				if(bUseHeap){
					//mov rax,rsi
					op_mov_RR(REG_RAX,REG_RSI);
				}

				//rep movs byte ptr[rdi],byte ptr[rsi]
				op_rep_movs(sizeof(BYTE));

				if(bUseHeap){
					//mov rcx,rax
					op_mov_RR(REG_RCX,REG_RAX);

					//call free
					extern SUBINFO *pSub_free;
					op_call(pSub_free);
				}

				return;
		}
	}

	SetError(1,NULL,cp);
}


void SetDoubleVariable(int type,RELATIVE_VAR *pRelative){
	//////////////////////////
	// Double型変数に書き込む
	//////////////////////////

	//xmm0に型変換
	ChangeTypeToXmm_Double(type,REG_XMM0,REG_RAX);

	if(pRelative->dwKind==VAR_GLOBAL){
		if(pRelative->bOffsetOffset){
			//movsd qword ptr[r11+offset],xmm0
			OpBuffer[obp++]=(char)0xF2;
			OpBuffer[obp++]=(char)0x41;
			OpBuffer[obp++]=(char)0x0F;
			OpBuffer[obp++]=(char)0x11;
			OpBuffer[obp++]=(char)0x83;
			*((long *)(OpBuffer+obp))=(int)pRelative->offset;
			pobj_GlobalVarSchedule->add();
			obp+=sizeof(long);
		}
		else{
			//movsd qword ptr[offset],xmm0
			OpBuffer[obp++]=(char)0xF2;
			OpBuffer[obp++]=(char)0x0F;
			OpBuffer[obp++]=(char)0x11;
			OpBuffer[obp++]=(char)0x04;
			OpBuffer[obp++]=(char)0x25;
			*((long *)(OpBuffer+obp))=(int)pRelative->offset;
			pobj_GlobalVarSchedule->add();
			obp+=sizeof(long);
		}
	}
	else if(pRelative->dwKind==VAR_REFGLOBAL){
		SetError(300,NULL,cp);
	}
	else if(pRelative->dwKind==VAR_LOCAL){
		if(pRelative->bOffsetOffset){
			//movsd qword ptr[rsp+r11+offset],xmm0
			OpBuffer[obp++]=(char)0xF2;
			OpBuffer[obp++]=(char)0x42;
			OpBuffer[obp++]=(char)0x0F;
			OpBuffer[obp++]=(char)0x11;
			OpBuffer[obp++]=(char)0x84;
			OpBuffer[obp++]=(char)0x1C;
			*((long *)(OpBuffer+obp))=(int)pRelative->offset;
			AddLocalVarAddrSchedule();
			obp+=sizeof(long);
		}
		else{
			//movsd qword ptr[rsp+offset],xmm0
			OpBuffer[obp++]=(char)0xF2;
			OpBuffer[obp++]=(char)0x0F;
			OpBuffer[obp++]=(char)0x11;
			OpBuffer[obp++]=(char)0x84;
			OpBuffer[obp++]=(char)0x24;
			*((long *)(OpBuffer+obp))=(int)pRelative->offset;
			AddLocalVarAddrSchedule();
			obp+=sizeof(long);
		}
	}
	else if( pRelative->dwKind == VAR_REFLOCAL ){
		if(pRelative->bOffsetOffset){
			//add r11,qword ptr[rsp+offset]
			OpBuffer[obp++]=(char)0x4C;
			OpBuffer[obp++]=(char)0x03;
			OpBuffer[obp++]=(char)0x9C;
			OpBuffer[obp++]=(char)0x24;
			*((long *)(OpBuffer+obp))=(int)pRelative->offset;
			AddLocalVarAddrSchedule();
			obp+=sizeof(long);
		}
		else{
			//mov r11,qword ptr[rsp+offset]
			op_mov_RM(sizeof(_int64),REG_R11,REG_RSP,(int)pRelative->offset,MOD_BASE_DISP32);
			obp-=sizeof(long);
			AddLocalVarAddrSchedule();
			obp+=sizeof(long);
		}

		goto directmem;
	}
	else if(pRelative->dwKind==VAR_DIRECTMEM){
directmem:
		//movsd qword ptr[r11],xmm0
		OpBuffer[obp++]=(char)0xF2;
		OpBuffer[obp++]=(char)0x41;
		OpBuffer[obp++]=(char)0x0F;
		OpBuffer[obp++]=(char)0x11;
		OpBuffer[obp++]=(char)0x03;
	}
}
void SetSingleVariable(int type,RELATIVE_VAR *pRelative){
	//////////////////////////
	// Single型変数に書き込む
	//////////////////////////

	//xmm0に型変換
	ChangeTypeToXmm_Single(type,REG_XMM0,REG_RAX);

	if(pRelative->dwKind==VAR_GLOBAL){
		if(pRelative->bOffsetOffset){
			//movss dword ptr[r11+offset],xmm0
			OpBuffer[obp++]=(char)0xF3;
			OpBuffer[obp++]=(char)0x41;
			OpBuffer[obp++]=(char)0x0F;
			OpBuffer[obp++]=(char)0x11;
			OpBuffer[obp++]=(char)0x83;
			*((long *)(OpBuffer+obp))=(int)pRelative->offset;
			pobj_GlobalVarSchedule->add();
			obp+=sizeof(long);
		}
		else{
			//movss dword ptr[offset],xmm0
			OpBuffer[obp++]=(char)0xF3;
			OpBuffer[obp++]=(char)0x0F;
			OpBuffer[obp++]=(char)0x11;
			OpBuffer[obp++]=(char)0x04;
			OpBuffer[obp++]=(char)0x25;
			*((long *)(OpBuffer+obp))=(int)pRelative->offset;
			pobj_GlobalVarSchedule->add();
			obp+=sizeof(long);
		}
	}
	else if(pRelative->dwKind==VAR_REFGLOBAL){
		SetError(300,NULL,cp);
	}
	else if(pRelative->dwKind==VAR_LOCAL){
		if(pRelative->bOffsetOffset){
			//movss dword ptr[rsp+r11+offset],xmm0
			OpBuffer[obp++]=(char)0xF3;
			OpBuffer[obp++]=(char)0x42;
			OpBuffer[obp++]=(char)0x0F;
			OpBuffer[obp++]=(char)0x11;
			OpBuffer[obp++]=(char)0x84;
			OpBuffer[obp++]=(char)0x1C;
			*((long *)(OpBuffer+obp))=(int)pRelative->offset;
			AddLocalVarAddrSchedule();
			obp+=sizeof(long);
		}
		else{
			//movss dword ptr[rsp+offset],xmm0
			OpBuffer[obp++]=(char)0xF3;
			OpBuffer[obp++]=(char)0x0F;
			OpBuffer[obp++]=(char)0x11;
			OpBuffer[obp++]=(char)0x84;
			OpBuffer[obp++]=(char)0x24;
			*((long *)(OpBuffer+obp))=(int)pRelative->offset;
			AddLocalVarAddrSchedule();
			obp+=sizeof(long);
		}
	}
	else if( pRelative->dwKind == VAR_REFLOCAL ){
		if(pRelative->bOffsetOffset){
			//add r11,qword ptr[rsp+offset]
			OpBuffer[obp++]=(char)0x4C;
			OpBuffer[obp++]=(char)0x03;
			OpBuffer[obp++]=(char)0x9C;
			OpBuffer[obp++]=(char)0x24;
			*((long *)(OpBuffer+obp))=(int)pRelative->offset;
			AddLocalVarAddrSchedule();
			obp+=sizeof(long);
		}
		else{
			//mov r11,qword ptr[rsp+offset]
			op_mov_RM(sizeof(_int64),REG_R11,REG_RSP,(int)pRelative->offset,MOD_BASE_DISP32);
			obp-=sizeof(long);
			AddLocalVarAddrSchedule();
			obp+=sizeof(long);
		}

		goto directmem;
	}
	else if(pRelative->dwKind==VAR_DIRECTMEM){
directmem:
		//movss dword ptr[r11],xmm0
		OpBuffer[obp++]=(char)0xF3;
		OpBuffer[obp++]=(char)0x41;
		OpBuffer[obp++]=(char)0x0F;
		OpBuffer[obp++]=(char)0x11;
		OpBuffer[obp++]=(char)0x03;
	}
}
void SetRealVariable(int VarType, int CalcType, RELATIVE_VAR *pRelativeVar){
	if(VarType==DEF_DOUBLE){
		//Double型変数へスタックの内容を格納する
		SetDoubleVariable(CalcType,pRelativeVar);
	}
	else if(VarType==DEF_SINGLE){
		//Single型変数へスタックの内容を格納する
		SetSingleVariable(CalcType,pRelativeVar);
	}
}
void SetBooleanVariable(int type,RELATIVE_VAR *pRelative){
	if(type==DEF_DOUBLE){
		//Double型

		//cvttsd2si rax,xmm0
		op_cvttsd2si_xmm(sizeof(_int64),REG_RAX,REG_XMM0);
	}
	else if(type==DEF_SINGLE){
		//Single型

		//cvttss2si rax,xmm0
		op_cvttss2si_xmm(sizeof(_int64),REG_RAX,REG_XMM0);
	}

	//cmp rax,0
	op_cmp_value(GetTypeSize(type,-1),REG_RAX,0);

	//setne al
	op_setne( REG_RAX );

	SetWholeVariable( sizeof(char), DEF_BYTE, pRelative);
}
void SetWholeVariable(int var_size,int type,RELATIVE_VAR *pRelative){
	if(type==DEF_DOUBLE){
		//Double型

		//cvttsd2si rax,xmm0
		op_cvttsd2si_xmm(sizeof(_int64),REG_RAX,REG_XMM0);
	}
	else if(type==DEF_SINGLE){
		//Single型

		//cvttss2si rax,xmm0
		op_cvttss2si_xmm(sizeof(_int64),REG_RAX,REG_XMM0);
	}
	else{
		//その他の整数

		if(var_size==sizeof(_int64)){
			//レジスタの値を64ビット（rax）に拡張する
			ExtendTypeTo64(type,REG_RAX);
		}
		else if(var_size==sizeof(long)){
			//レジスタの値を32ビット（eax）に拡張する
			ExtendTypeTo32(type,REG_RAX);
		}
		else if(var_size==sizeof(short)){
			//レジスタの値を16ビット（ax）に拡張する
			ExtendTypeTo16(type,REG_RAX);
		}
		//8ビットは拡張なし
	}

	if(pRelative->dwKind==VAR_GLOBAL){
		if(pRelative->bOffsetOffset){
			//mov ptr[r11+offset],rax/eax/ax/al
			op_mov_MR(var_size,REG_RAX,REG_R11,(int)pRelative->offset,MOD_BASE_DISP32);
			obp-=sizeof(long);
			pobj_GlobalVarSchedule->add();
			obp+=sizeof(long);
		}
		else{
			//mov ptr[offset],rax/eax/ax/al
			op_mov_MR(var_size,REG_RAX,0,(int)pRelative->offset,MOD_DISP32);
			obp-=sizeof(long);
			pobj_GlobalVarSchedule->add();
			obp+=sizeof(long);
		}
	}
	else if( pRelative->dwKind == VAR_REFGLOBAL ){
		if(pRelative->bOffsetOffset){
			//add r11,qword ptr[offset]
			op_add_RM( sizeof(_int64), REG_R11, REG_NON, (int)pRelative->offset, MOD_DISP32 );
			obp-=sizeof(long);
			pobj_GlobalVarSchedule->add();
			obp+=sizeof(long);
		}
		else{
			//mov r11,qword ptr[offset]
			op_mov_RM(sizeof(_int64),REG_R11,REG_NON,(int)pRelative->offset,MOD_DISP32);
			obp-=sizeof(long);
			pobj_GlobalVarSchedule->add();
			obp+=sizeof(long);
		}

		goto directmem;
	}
	else if(pRelative->dwKind==VAR_LOCAL){
		if(pRelative->bOffsetOffset){
			//mov ptr[rsp+r11+offset],rax/eax/ax/al
			op_mov_MR_ex(var_size,REG_RAX,REG_RSP,REG_R11,(int)pRelative->offset,USE_OFFSET);
			obp-=sizeof(long);
			AddLocalVarAddrSchedule();
			obp+=sizeof(long);
		}
		else{
			//mov ptr[rsp+offset],rax/eax/ax/al
			op_mov_MR(var_size,REG_RAX,REG_RSP,(int)pRelative->offset,MOD_BASE_DISP32);
			obp-=sizeof(long);
			AddLocalVarAddrSchedule();
			obp+=sizeof(long);
		}
	}
	else if( pRelative->dwKind == VAR_REFLOCAL ){
		if(pRelative->bOffsetOffset){
			//add r11,qword ptr[rsp+offset]
			op_add_RM( sizeof(_int64), REG_R11, REG_RSP, (int)pRelative->offset, MOD_BASE_DISP32 );
			obp-=sizeof(long);
			AddLocalVarAddrSchedule();
			obp+=sizeof(long);
		}
		else{
			//mov r11,qword ptr[rsp+offset]
			op_mov_RM(sizeof(_int64),REG_R11,REG_RSP,(int)pRelative->offset,MOD_BASE_DISP32);
			obp-=sizeof(long);
			AddLocalVarAddrSchedule();
			obp+=sizeof(long);
		}

		goto directmem;
	}
	else if(pRelative->dwKind==VAR_DIRECTMEM){
directmem:

		//mov ptr[r11],rax/eax/ax/al
		op_mov_MR(var_size,REG_RAX,REG_R11,0,MOD_BASE);
	}
}