new update

arjundastp · Dec 16, 2023 · 3e0cbf0 · 3e0cbf0
1 parent 15a9ec5
commit 3e0cbf0
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diff --git a/compilerbackend/a.out b/compilerbackend/a.out
diff --git a/compilerbackend/backend.c b/compilerbackend/backend.c
@@ -0,0 +1,33 @@
+#include<stdio.h>
+#include<string.h>
+
+void main(){
+char icode[10][30],str[20],opr[10];
+int i=0;
+printf("\n Enter the set of intermediate code (Terminated by exit): \n");
+do{
+scanf("%s",icode[i]);
+}while(strcmp(icode[i++],"exit")!=0);
+printf("\n \n Target code Generation");
+printf("\n ********************");
+i=0;
+do{
+strcpy(str,icode[i]);
+switch(str[3]){
+case '+':strcpy(opr,"ADD ");
+break;
+case '-':strcpy(opr,"SUB ");
+break;
+case '*':strcpy(opr,"MUL ");
+break;
+case '/':strcpy(opr,"DIV ");
+break;
+}
+
+
+printf("\n\tMOV %c,R%d\n",str[2],i);
+printf("\n\t%s%c,R%d\n",opr,str[4],i);
+printf("\n\tMOV R%d,%c\n",i,str[0]);
+}while(strcmp(icode[++i],"exit")!=0);
+
+}