From cfb3d9d08e46ee1e9e4e5f2adacad0c86313aab8 Mon Sep 17 00:00:00 2001
From: Meyer Simon <Maxsimongt3@gmail.com>
Date: Tue, 6 May 2025 23:49:01 -0400
Subject: [PATCH]  final submission

---
 src/codegen.c                        | 38 ++++++++++++++++++++++------
 tests/programs/sp3_if_else_sse.alpha | 10 ++++----
 2 files changed, 35 insertions(+), 13 deletions(-)

diff --git a/src/codegen.c b/src/codegen.c
index 67a625f..9baafd4 100644
--- a/src/codegen.c
+++ b/src/codegen.c
@@ -588,7 +588,7 @@ int generateCondGoto(Instruction *inst) {
 
 int generateIfTrue(Instruction *inst) {
     TNodeOrConst *op1 = getOperand1(inst);
-    
+
     if (op1 == NULL) {
         printdebug("%sgenerateIfTrue failed, NULL operand", COLOR_RED);
         return -1;
@@ -606,7 +606,7 @@ int generateIfTrue(Instruction *inst) {
 
 int generateIfFalse(Instruction *inst) {
     TNodeOrConst *op1 = getOperand1(inst);
-    
+
     if (op1 == NULL) {
         printdebug("%sgenerateIfFalse failed, NULL operand", COLOR_RED);
         return -1;
@@ -618,7 +618,7 @@ int generateIfFalse(Instruction *inst) {
         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));
 }
 
@@ -690,9 +690,31 @@ int generateEqualTo(Instruction *inst) {
         printdebug("generateLessThan failed, %s is not initialized/in CG", getName(getTN(op2)));
         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));
-    fprintf(cg_flag, "\tcmpl\t%d(%%rbp), %%eax\n", getAddress(op2CG));
+            cmptype = "cmpl";
+            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, "\tmovb\t$0, %d(%%rbp)\n", getAddress(cg));
     fprintf(cg_flag, "\tmovb\t%%al, %d(%%rbp)\t#equal to end\n", getAddress(cg));
@@ -734,7 +756,7 @@ int generateCall(Instruction *inst) {
             // }
     //now for the return
     CGNode *cg = findCG(getResult(inst));
-    
+
     if (cg == NULL) {
         cg = addCG(getResult(inst), offset);
     }
@@ -757,7 +779,7 @@ int generateReturn(Instruction *inst) {
         printdebug("generateReturn failed, trying to return %s not in CGList", getName(getTN(op1)));
         return -1;
     }
-    if (table_lookup(getAncestor(cur), getName(getTN(op1))) != undefined) { 
+    if (table_lookup(getAncestor(cur), getName(getTN(op1))) != undefined) {
         fprintf(cg_flag, "\tmovl\t$%s,%%eax\t#return a function\n", getName(getTN(op1)));
     } else {
         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:
         align(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))));
     }
     return 0;
diff --git a/tests/programs/sp3_if_else_sse.alpha b/tests/programs/sp3_if_else_sse.alpha
index c78ce35..b55f061 100644
--- a/tests/programs/sp3_if_else_sse.alpha
+++ b/tests/programs/sp3_if_else_sse.alpha
@@ -15,9 +15,9 @@ bar (r,s) := {
                 *)
 entry (arg) := {
  	[ Boolean:x ; Boolean:y ; Boolean:z ; Boolean:t; integer: c]
-        x := true;
-        y := true;
-        if ( x | y ) then {
+        x := false;
+        y := false;
+        if ( (x | y) | !( y = x ) ) then {
 
                 (*
                  if ( x<y & !(x=y) ) then {
@@ -27,10 +27,10 @@ entry (arg) := {
                 *)
 
                 z := 1 < 2;
-                c := printBoolean(true);
+                c := printBoolean(z);
         } else {
                 y := false; (* bar('c', 7); *)
-                c := printBoolean(false);
+                c := printBoolean(y);
         }
 	return 0;
 }