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FUNCTION CALLS WORK WITH 6+ ENTRIES YIPPEEgit add .

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This commit is contained in:
Annie
2025-05-05 15:26:27 -04:00
parent 76f98b93ab
commit 1c5b7de5fd
4 changed files with 134 additions and 11 deletions
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70
src/codegen.c
View File

@ -2,7 +2,7 @@
/* The Translators - Spring 2025 */
#include "codegen.h"
int paramCount = 0;
int generate() {
offset = 0;
currentsp = 0;
@ -603,6 +603,7 @@ int generateEqualTo(Instruction *inst) {
return 0;
}
int generateCall(Instruction *inst) {
paramCount = 0;
TNodeOrConst *op1 = getOperand1(inst);
TNodeOrConst *op2 = getOperand2(inst);
if (op1 == NULL) {
@ -670,7 +671,7 @@ int generateAddressOf(Instruction *inst) {
int generateParam(Instruction *inst) {
TNodeOrConst *op1 = getOperand1(inst);
fprintf(stderr, "generate param reached\n");
if (op1 == NULL) {
printdebug("generateParam failed, NULL operand");
return -1;
@ -681,8 +682,31 @@ int generateParam(Instruction *inst) {
printdebug("generateParam failed, %s is not in CGlist", getName(getTN(op1)));
return -1;
}
fprintf(cg_flag, "\tmovl\t%d(%%rbp), %%edi\t#adding param start\n", getAddress(op1CG));
paramCount += 1;
switch(paramCount) {
case 1:
fprintf(cg_flag, "\tmovl\t%d(%%rbp), %s\t#adding param start\n", getAddress(op1CG), REG1);
break;
case 2:
fprintf(cg_flag, "\tmovl\t%d(%%rbp), %s\t#adding param start\n", getAddress(op1CG), REG2);
break;
case 3:
fprintf(cg_flag, "\tmovl\t%d(%%rbp), %s\t#adding param start\n", getAddress(op1CG), REG3);
break;
case 4:
fprintf(cg_flag, "\tmovl\t%d(%%rbp), %s\t#adding param start\n", getAddress(op1CG), REG4);
break;
case 5:
fprintf(cg_flag, "\tmovl\t%d(%%rbp), %s\t#adding param start\n", getAddress(op1CG), REG5);
break;
case 6:
fprintf(cg_flag, "\tmovl\t%d(%%rbp), %s\t#adding param start\n", getAddress(op1CG), REG6);
break;
default:
offset += getPrimSize(getTypeEntry(getTN(op1)));
fprintf(cg_flag, "\tmovl\t%d(%%rbp), %%eax\t#adding param start\n", getAddress(op1CG));
fprintf(cg_flag, "\tmovl\t%%eax, %d(%%rbp)\t#adding param end\n", offset - getPrimSize(getTypeEntry(getTN(op1))));
}
return 0;
}
@ -712,16 +736,40 @@ int generateFunctionStart(Instruction *inst) {
int paramOffset = 16;
TableNode *tnToAdd = getFirstEntry(st);
if (getAdInfoType(paramTN) != TYPE_RECORD_TYPE) {
CGNode *paramCG = addCG(tnToAdd, offset);
fprintf(cg_flag, "\tmovl\t%d(%%rbp), %%eax\t#FunctionStart1Param start\n", paramOffset);
fprintf(cg_flag, "\tmovl\t%%eax, %d(%%rbp)\t#FunctionStart1param end\n", getAddress(paramCG));
CGNode *paramCG = addCG(tnToAdd, offset);
paramOffset += getPrimSize(tnToAdd);
fprintf(cg_flag, "\tmovl\t%%edi, %d(%%rbp)\t#FunctionStart1param end\n", getAddress(paramCG));
} else {
int numParams = getRecLength(paramTN);
for (int i = 0; i < numParams; i++) {
for (int i = numParams; i > 0; i--) {
CGNode *paramCG = addCG(tnToAdd, offset);
fprintf(cg_flag, "\tmovl\t%d(%%rbp), %%eax\t#FunctionStart1Param start\n", paramOffset);
fprintf(cg_flag, "\tmovl\t%%eax, %d(%%rbp)\t#FunctionStart1param end\n", getAddress(paramCG));
paramOffset = getPrimSize(getTypeEntry(tnToAdd));
switch(i) {
case 1:
fprintf(cg_flag, "\tmovl\t%s, %d(%%rbp)\t#FunctionStart1param end\n", REG1, getAddress(paramCG));
break;
case 2:
fprintf(cg_flag, "\tmovl\t%s, %d(%%rbp)\t#FunctionStart1param end\n", REG2, getAddress(paramCG));
break;
case 3:
fprintf(cg_flag, "\tmovl\t%s, %d(%%rbp)\t#FunctionStart1param end\n", REG3, getAddress(paramCG));
break;
case 4:
fprintf(cg_flag, "\tmovl\t%s, %d(%%rbp)\t#FunctionStart1param end\n", REG4, getAddress(paramCG));
break;
case 5:
fprintf(cg_flag, "\tmovl\t%s, %d(%%rbp)\t#FunctionStart1param end\n", REG5, getAddress(paramCG));
break;
case 6:
fprintf(cg_flag, "\tmovl\t%s, %d(%%rbp)\t#FunctionStart1param end\n", REG6, getAddress(paramCG));
break;
default:
paramOffset += getPrimSize(getTypeEntry(tnToAdd));
offset += getPrimSize(getTypeEntry(tnToAdd));
fprintf(cg_flag, "\tmovl\t%d(%%rbp), %%eax\t#FunctionStart1Param start\n", paramOffset);
fprintf(cg_flag, "\tmovl\t%%eax, %d(%%rbp)\t#FunctionStart1param end\n", getAddress(paramCG));
}
tnToAdd = getNextEntry(tnToAdd);
}
}

7
src/codegen.h
View File

@ -13,6 +13,13 @@
#include "intermediate_code.h"
#include "symbol_table.h"
#define REG1 "%edi"
#define REG2 "%esi"
#define REG3 "%edx"
#define REG4 "%ecx"
#define REG5 "%r8d"
#define REG6 "%r9d"
extern FILE *cg_flag;
typedef struct CGNode {