source: dev/trunk/abdev/BasicCompiler32/Compile_Calc_PushVar.cpp@ 225

Last change on this file since 225 was 225, checked in by dai_9181, 17 years ago

CodeGeneratorクラスのベースを実装
File size: 6.9 KB
Line 
1#include "stdafx.h"
2
3#include <Compiler.h>
4
5#include "../BasicCompiler_Common/common.h"
6#include "Opcode.h"
7
8void SetReg_RealVariable(int type,RELATIVE_VAR *pRelativeVar){
9 if(pRelativeVar->dwKind==VAR_GLOBAL){
10 if(pRelativeVar->bOffsetOffset){
11 //fld ptr[ecx+offset]
12 compiler.codeGenerator.op_fld_base_offset(type,REG_ECX,(int)pRelativeVar->offset);
13 obp-=sizeof(long);
14 pobj_GlobalVarSchedule->add();
15 obp+=sizeof(long);
16 }
17 else{
18 //mov ecx,offset
19 compiler.codeGenerator.op_mov_RV(REG_ECX,(int)pRelativeVar->offset);
20 obp-=sizeof(long);
21 pobj_GlobalVarSchedule->add();
22 obp+=sizeof(long);
23
24 //fld ptr[ecx]
25 compiler.codeGenerator.op_fld_basereg(type,REG_ECX);
26 }
27 }
28 else if(pRelativeVar->dwKind==VAR_REFGLOBAL){
29 SetError(300,NULL,cp);
30 }
31 else if(pRelativeVar->dwKind==VAR_LOCAL){
32 if(pRelativeVar->bOffsetOffset){
33 //fld ptr[ebp+ecx+offset]
34 compiler.codeGenerator.op_fld_base_offset_ex(type,REG_EBP,REG_ECX,(int)pRelativeVar->offset,USE_OFFSET);
35 obp-=sizeof(long);
36 AddLocalVarAddrSchedule();
37 obp+=sizeof(long);
38 }
39 else{
40 //fld ptr[ebp+offset]
41 compiler.codeGenerator.op_fld_base_offset(type,REG_EBP,(int)pRelativeVar->offset);
42 obp-=sizeof(long);
43 AddLocalVarAddrSchedule();
44 obp+=sizeof(long);
45 }
46 }
47 else if(pRelativeVar->dwKind==VAR_REFLOCAL){
48 if(pRelativeVar->bOffsetOffset){
49 //add ecx,qword ptr[ebp+offset]
50 compiler.codeGenerator.op_add_RM(sizeof(long),REG_ECX,REG_EBP,(int)pRelativeVar->offset,MOD_BASE_DISP32);
51 obp-=sizeof(long);
52 AddLocalVarAddrSchedule();
53 obp+=sizeof(long);
54 }
55 else{
56 //mov ecx,qword ptr[ebp+offset]
57 compiler.codeGenerator.op_mov_RM(sizeof(long),REG_ECX,REG_EBP,(int)pRelativeVar->offset,MOD_BASE_DISP32);
58 obp-=sizeof(long);
59 AddLocalVarAddrSchedule();
60 obp+=sizeof(long);
61 }
62
63 goto directmem;
64 }
65 else if(pRelativeVar->dwKind==VAR_DIRECTMEM){
66directmem:
67 //fld ptr[ecx]
68 compiler.codeGenerator.op_fld_basereg(type,REG_ECX);
69 }
70}
71void SetReg_WholeVariable(int type,RELATIVE_VAR *pRelativeVar,int reg, bool is64Head){
72 int varSize;
73
74 varSize=GetTypeSize(type,-1);
75
76 if(varSize==sizeof(_int64)){
77 //64ビットの場合はedx:eaxにロード
78 if(reg!=REG_EAX){
79 SetError(300,NULL,cp);
80 return;
81 }
82
83 //下位32ビットをeaxにロード
84 SetReg_WholeVariable(DEF_LONG,pRelativeVar,REG_EAX);
85
86 //上位32ビットをedxにロード
87 SetReg_WholeVariable(DEF_LONG,pRelativeVar,REG_EDX, true);
88
89 return;
90 }
91
92 int offsetOf64Head = 0;
93 if( is64Head ){
94 offsetOf64Head = sizeof(long);
95 }
96
97 if(pRelativeVar->dwKind==VAR_GLOBAL){
98 if(pRelativeVar->bOffsetOffset){
99 //mov reg, ptr[ecx+offset]
100 compiler.codeGenerator.op_mov_RM(varSize,reg,REG_ECX,(int)pRelativeVar->offset + offsetOf64Head,MOD_BASE_DISP32);
101 }
102 else{
103 //mov reg, ptr[offset]
104 compiler.codeGenerator.op_mov_RM(varSize,reg,0,(int)pRelativeVar->offset + offsetOf64Head,MOD_DISP32);
105 }
106 obp-=sizeof(long);
107 pobj_GlobalVarSchedule->add();
108 obp+=sizeof(long);
109 }
110 else if(pRelativeVar->dwKind==VAR_REFGLOBAL){
111 if(pRelativeVar->bOffsetOffset){
112 //add ecx,qword ptr[offset]
113 compiler.codeGenerator.op_add_RM(varSize,REG_ECX,REG_NON,(int)pRelativeVar->offset,MOD_DISP32);
114 }
115 else{
116 //mov ecx,qword ptr[offset]
117 compiler.codeGenerator.op_mov_RM(varSize,REG_ECX,REG_NON,(int)pRelativeVar->offset,MOD_DISP32);
118 }
119 obp-=sizeof(long);
120 pobj_GlobalVarSchedule->add();
121 obp+=sizeof(long);
122
123 goto directmem;
124 }
125 else if(pRelativeVar->dwKind==VAR_LOCAL){
126 if(pRelativeVar->bOffsetOffset){
127 //mov reg, ptr[ebp+ecx+offset]
128 compiler.codeGenerator.op_mov_RM_ex(varSize,reg,REG_EBP,REG_ECX,(int)pRelativeVar->offset + offsetOf64Head,USE_OFFSET);
129 }
130 else{
131 //mov reg, ptr[ebp+offset]
132 compiler.codeGenerator.op_mov_RM(varSize,reg,REG_EBP,(int)pRelativeVar->offset + offsetOf64Head,MOD_BASE_DISP32);
133 }
134 obp-=sizeof(long);
135 AddLocalVarAddrSchedule();
136 obp+=sizeof(long);
137 }
138 else if(pRelativeVar->dwKind==VAR_REFLOCAL){
139 if(pRelativeVar->bOffsetOffset){
140 //add ecx,qword ptr[ebp+offset]
141 compiler.codeGenerator.op_add_RM(varSize,REG_ECX,REG_EBP,(int)pRelativeVar->offset,MOD_BASE_DISP32);
142 }
143 else{
144 //mov ecx,qword ptr[ebp+offset]
145 compiler.codeGenerator.op_mov_RM(varSize,REG_ECX,REG_EBP,(int)pRelativeVar->offset,MOD_BASE_DISP32);
146 }
147 obp-=sizeof(long);
148 AddLocalVarAddrSchedule();
149 obp+=sizeof(long);
150
151 goto directmem;
152 }
153 else if(pRelativeVar->dwKind==VAR_DIRECTMEM){
154directmem:
155 if( is64Head ){
156 //mov reg, ptr[ecx]
157 compiler.codeGenerator.op_mov_RM(varSize,reg,REG_ECX,offsetOf64Head,MOD_BASE_DISP8);
158 }
159 else{
160 //mov reg, ptr[ecx]
161 compiler.codeGenerator.op_mov_RM(varSize,reg,REG_ECX,0,MOD_BASE);
162 }
163 }
164}
165
166
167
168void PushLongVariable(RELATIVE_VAR *pRelativeVar){
169 if(pRelativeVar->dwKind==VAR_GLOBAL){
170 if(pRelativeVar->bOffsetOffset){
171 //push dword ptr[ecx+offset]
172 OpBuffer[obp++]=(char)0xFF;
173 OpBuffer[obp++]=(char)0xB1;
174 *((long *)(OpBuffer+obp))=pRelativeVar->offset;
175 pobj_GlobalVarSchedule->add();
176 obp+=sizeof(long);
177 }
178 else{
179 //push dword ptr[offset]
180 OpBuffer[obp++]=(char)0xFF;
181 OpBuffer[obp++]=(char)0x35;
182 *((long *)(OpBuffer+obp))=pRelativeVar->offset;
183 pobj_GlobalVarSchedule->add();
184 obp+=sizeof(long);
185 }
186 }
187 else if(pRelativeVar->dwKind==VAR_REFGLOBAL){
188 //mov eax,dword ptr[offset]
189 compiler.codeGenerator.op_mov_RM( sizeof(long), REG_EAX, REG_NON, (int)pRelativeVar->offset, MOD_DISP32 );
190 obp-=sizeof(long);
191 pobj_GlobalVarSchedule->add();
192 obp+=sizeof(long);
193
194 if(pRelativeVar->bOffsetOffset){
195 //add eax,ecx
196 compiler.codeGenerator.op_add_RR( REG_EAX, REG_ECX );
197 }
198
199 //push dword ptr[eax]
200 compiler.codeGenerator.op_push_M( REG_EAX );
201 }
202 else if(pRelativeVar->dwKind==VAR_LOCAL){
203 if(pRelativeVar->bOffsetOffset){
204 //add ecx,offset
205 OpBuffer[obp++]=(char)0x81;
206 OpBuffer[obp++]=(char)0xC1;
207 *((long *)(OpBuffer+obp))=pRelativeVar->offset;
208 AddLocalVarAddrSchedule();
209 obp+=sizeof(long);
210
211 //push dword ptr[ebp+ecx]
212 compiler.codeGenerator.PutOld(
213 (char)0xFF,
214 (char)0x74,
215 (char)0x0D,
216 (char)0x00
217 );
218 }
219 else{
220 //push dword ptr[ebp+offset]
221 OpBuffer[obp++]=(char)0xFF;
222 OpBuffer[obp++]=(char)0xB5;
223 *((long *)(OpBuffer+obp))=pRelativeVar->offset;
224 AddLocalVarAddrSchedule();
225 obp+=sizeof(long);
226 }
227 }
228 else if(pRelativeVar->dwKind==VAR_REFLOCAL){
229 //mov eax,dword ptr[ebp+offset]
230 OpBuffer[obp++]=(char)0x8B;
231 OpBuffer[obp++]=(char)0x85;
232 *((long *)(OpBuffer+obp))=pRelativeVar->offset;
233 AddLocalVarAddrSchedule();
234 obp+=sizeof(long);
235
236 if(pRelativeVar->bOffsetOffset){
237 //add eax,ecx
238 compiler.codeGenerator.op_add_RR( REG_EAX, REG_ECX );
239 }
240
241 //push dword ptr[eax]
242 compiler.codeGenerator.op_push_M( REG_EAX );
243 }
244 else if(pRelativeVar->dwKind==VAR_DIRECTMEM){
245 //push dword ptr[ecx]
246 compiler.codeGenerator.op_push_M( REG_ECX );
247 }
248}
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