diff --git a/src/codegen.c b/src/codegen.c
index 49748ce..9512929 100644
--- a/src/codegen.c
+++ b/src/codegen.c
@@ -7,6 +7,10 @@ int generate(){
     offset = 0;
     currentsp = 0;
     Instruction *i = begin;
+    
+    // temporary
+    fprintf(cg_flag, ".globl entry\n");
+
     while (i != NULL) {
         switch(getOp(i)) {
         case E_LABEL:
@@ -170,9 +174,8 @@ int generateAdd(Instruction *inst) {
         printdebug("generateAdd failed, %s is not initialized/in CG", getName(getTN(op2)));
         return -1;
     }
-    fprintf(cg_flag, "\tmovl\t%d(%%rbp), %%eax\t#addition start\n", getAddress(op1CG));
-    fprintf(cg_flag, "\tmovl\t%d(%%rbp), %%eax\n", getAddress(op2CG));
-    fprintf(cg_flag, "\taddl\t%%edx, %%eax\n");
+    fprintf(cg_flag, "\n\tmovl\t%d(%%rbp), %%eax\t#addition start\n", getAddress(op1CG));
+    fprintf(cg_flag, "\taddl\t%d(%%rbp), %%eax\n", getAddress(op2CG));
     fprintf(cg_flag, "\tmovl\t%%eax, %d(%%rbp)\t#addition end\n", getAddress(cg));
     return 0;
 }
@@ -629,7 +632,6 @@ int generateCall(Instruction *inst){
 
 
     fprintf(cg_flag, "\tcall %s\n", getName(getTN(op1)));
-    fprintf(cg_flag, "\taddq\t$%d, %%rsp\n", 8 + getConst(op1));
 
     //now for the return
     CGNode *cg = findCG(getResult(inst));
@@ -660,7 +662,7 @@ int generateReturn(Instruction *inst){
     }
 
     fprintf(cg_flag, "\tmovl\t%d(%%rbp), %%eax\t#return %s\n", getAddress(cg), getName(getTN(op1)));
-    fprintf(cg_flag, "\tpopq\t%%rbp\n");
+    fprintf(cg_flag, "\tleave\n");
     fprintf(cg_flag, "\tret\n");
     return 0;
 }
@@ -688,8 +690,7 @@ int generateParam(Instruction *inst){
         return -1;
     }
     
-    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", getPrimSize(getTypeEntry(getTN(op1))));
+    fprintf(cg_flag, "\tmovl\t%d(%%rbp), %%edi\t#adding param start\n", getAddress(op1CG)); 
     return 0;
 }
 
@@ -706,6 +707,7 @@ int generateFunctionStart(Instruction *inst) {
     fprintf(cg_flag, "%s:\n", getName(funDecTN));
     fprintf(cg_flag, "\tpushq\t%%rbp\n");
     fprintf(cg_flag, "\tmovq\t%%rsp, %%rbp\n");
+    fprintf(cg_flag, "\tsubq\t$%d, %%rsp\n", 128); // [CHANGE ME] 128 is a placeholder for the stack size
 
     //now we need to add the CGs of nodes to the CG list by doing assign from the
     // have function declararation node
diff --git a/tests/sprint4/test/sp4_cg_add.alpha b/tests/sprint4/test/sp4_cg_add.alpha
index 3344ed5..e3da55e 100644
--- a/tests/sprint4/test/sp4_cg_add.alpha
+++ b/tests/sprint4/test/sp4_cg_add.alpha
@@ -1,12 +1,35 @@
 (* TEST: [-asc -tc -cg -ir] *)
 
-type main: string -> integer
-function entry: main
+type string: 1 -> character
+type BooleanXBoolean: [Boolean: x; Boolean: y]
+type characterXcharacter: [character: x; character: y]
+type integerXinteger: [integer: x; integer: y]
+
+type Boolean2Boolean: Boolean -> Boolean
+type integer2integer: integer -> integer
+type character2integer: character -> integer
+type Boolean2integer0: Boolean -> integer
+type string2integer: string -> integer
+type integerXinteger2integer: integerXinteger -> integer
+type integerXinteger2Boolean: integerXinteger -> Boolean
+type characterXcharacter2Boolean: characterXcharacter -> Boolean
+type BooleanXBoolean2Boolean: BooleanXBoolean -> Boolean
+type integer2address: integer -> address
+type address2integer: address -> integer
+
+external function printInteger: integer2integer
+external function printCharacter: character2integer
+external function printBoolean: Boolean2integer
+
+function entry: string2integer
 	
 entry (arg) := {
-	[integer:x; integer:y]
+	[integer:x; integer:y; integer: result]
 	y := 1;
 	x := 3;
 	y := x + y;
+
+    result := printInteger(y);
+
 	return y;
 }
\ No newline at end of file