scarlett/compiler-the-translators
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final submission

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This commit is contained in:
Meyer Simon
2025-05-06 23:49:01 -04:00
parent a95930c0e5
commit cfb3d9d08e
2 changed files with 35 additions and 13 deletions
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38
src/codegen.c
View File

@ -588,7 +588,7 @@ int generateCondGoto(Instruction *inst) {
int generateIfTrue(Instruction *inst) { int generateIfTrue(Instruction *inst) {
TNodeOrConst *op1 = getOperand1(inst); TNodeOrConst *op1 = getOperand1(inst);
if (op1 == NULL) { if (op1 == NULL) {
printdebug("%sgenerateIfTrue failed, NULL operand", COLOR_RED); printdebug("%sgenerateIfTrue failed, NULL operand", COLOR_RED);
return -1; return -1;
@ -606,7 +606,7 @@ int generateIfTrue(Instruction *inst) {
int generateIfFalse(Instruction *inst) { int generateIfFalse(Instruction *inst) {
TNodeOrConst *op1 = getOperand1(inst); TNodeOrConst *op1 = getOperand1(inst);
if (op1 == NULL) { if (op1 == NULL) {
printdebug("%sgenerateIfFalse failed, NULL operand", COLOR_RED); printdebug("%sgenerateIfFalse failed, NULL operand", COLOR_RED);
return -1; return -1;
@ -618,7 +618,7 @@ int generateIfFalse(Instruction *inst) {
return -1; return -1;
} }
fprintf(cg_flag, "\tcmpl\t$0, %d(%%rbp)\t#if false start\n", getAddress(cg)); fprintf(cg_flag, "\tcmpb\t$0, %d(%%rbp)\t#if false start\n", getAddress(cg));
fprintf(cg_flag, "\tje\t.L%d\t\t#if false end\n", getLabel(inst)); fprintf(cg_flag, "\tje\t.L%d\t\t#if false end\n", getLabel(inst));
} }
@ -690,9 +690,31 @@ int generateEqualTo(Instruction *inst) {
printdebug("generateLessThan failed, %s is not initialized/in CG", getName(getTN(op2))); printdebug("generateLessThan failed, %s is not initialized/in CG", getName(getTN(op2)));
return -1; return -1;
} }
char *movtype;
char *reg;
char *cmptype;
TableNode *typetn = getTypeEntry(getTN(op1));
if (typetn == integ) {
movtype = "movl";
fprintf(cg_flag, "\tmovl\t%d(%%rbp), %%eax\t#equal to start\n", getAddress(op1CG)); cmptype = "cmpl";
fprintf(cg_flag, "\tcmpl\t%d(%%rbp), %%eax\n", getAddress(op2CG)); reg = "%eax";
} else if (typetn == boo) {
cmptype = "cmpb";
movtype = "movb";
reg = "%al";
} else if (typetn == chara) {
cmptype = "cmpb";
movtype = "movb";
reg = "%al";
} else {
cmptype = "cmpq";
movtype = "movq";
reg = "%rax";
}
fprintf(cg_flag, "\t%s\t%d(%%rbp), %s\t#equal to start\n", movtype, getAddress(op1CG), reg);
fprintf(cg_flag, "\t%s\t%d(%%rbp), %s\n", cmptype, getAddress(op2CG), reg);
fprintf(cg_flag, "\tsete\t%%al\n"); fprintf(cg_flag, "\tsete\t%%al\n");
fprintf(cg_flag, "\tmovb\t$0, %d(%%rbp)\n", getAddress(cg)); fprintf(cg_flag, "\tmovb\t$0, %d(%%rbp)\n", getAddress(cg));
fprintf(cg_flag, "\tmovb\t%%al, %d(%%rbp)\t#equal to end\n", getAddress(cg)); fprintf(cg_flag, "\tmovb\t%%al, %d(%%rbp)\t#equal to end\n", getAddress(cg));
@ -734,7 +756,7 @@ int generateCall(Instruction *inst) {
// } // }
//now for the return //now for the return
CGNode *cg = findCG(getResult(inst)); CGNode *cg = findCG(getResult(inst));
if (cg == NULL) { if (cg == NULL) {
cg = addCG(getResult(inst), offset); cg = addCG(getResult(inst), offset);
} }
@ -757,7 +779,7 @@ int generateReturn(Instruction *inst) {
printdebug("generateReturn failed, trying to return %s not in CGList", getName(getTN(op1))); printdebug("generateReturn failed, trying to return %s not in CGList", getName(getTN(op1)));
return -1; return -1;
} }
if (table_lookup(getAncestor(cur), getName(getTN(op1))) != undefined) { if (table_lookup(getAncestor(cur), getName(getTN(op1))) != undefined) {
fprintf(cg_flag, "\tmovl\t$%s,%%eax\t#return a function\n", getName(getTN(op1))); fprintf(cg_flag, "\tmovl\t$%s,%%eax\t#return a function\n", getName(getTN(op1)));
} else { } else {
fprintf(cg_flag, "\tmovl\t%d(%%rbp), %%eax\t#return %s\n", getAddress(cg), getName(getTN(op1))); fprintf(cg_flag, "\tmovl\t%d(%%rbp), %%eax\t#return %s\n", getAddress(cg), getName(getTN(op1)));
@ -812,7 +834,7 @@ int generateParam(Instruction *inst) {
default: default:
align(getTN(op1)); align(getTN(op1));
offset += getPrimSize(getTypeEntry(getTN(op1))); 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%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)))); fprintf(cg_flag, "\tmovl\t%%eax, %d(%%rbp)\t#adding param end\n", offset - getPrimSize(getTypeEntry(getTN(op1))));
} }
return 0; return 0;

10
tests/programs/sp3_if_else_sse.alpha
View File

@ -15,9 +15,9 @@ bar (r,s) := {
*) *)
entry (arg) := { entry (arg) := {
[ Boolean:x ; Boolean:y ; Boolean:z ; Boolean:t; integer: c] [ Boolean:x ; Boolean:y ; Boolean:z ; Boolean:t; integer: c]
x := true; x := false;
y := true; y := false;
if ( x | y ) then { if ( (x | y) | !( y = x ) ) then {
(* (*
if ( x<y & !(x=y) ) then { if ( x<y & !(x=y) ) then {
@ -27,10 +27,10 @@ entry (arg) := {
*) *)
z := 1 < 2; z := 1 < 2;
c := printBoolean(true); c := printBoolean(z);
} else { } else {
y := false; (* bar('c', 7); *) y := false; (* bar('c', 7); *)
c := printBoolean(false); c := printBoolean(y);
} }
return 0; return 0;
} }