SS-Lab/prg5.txt at main · manjesh2022/SS-Lab · GitHub

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#include<stdio.h>
#include<stdlib.h>

char op[2],arg1[5],arg2[5],result[5];

void main()

{
FILE *fp1,*fp2;
fp1=fopen("input.txt","r");
fp2=fopen("output.txt","w");

while(!feof(fp1))
{
	fscanf(fp1,"%s%s%s%s",result,arg1,op,arg2);
	if(feof(fp1))
	break;

if(strcmp(op,"+")==0)
{
	fprintf(fp2,"\nMOV R0,%s",arg1);
	fprintf(fp2,"\nADD R0,%s",arg2);
	fprintf(fp2,"\nMOV %s,R0",result);
}

if(strcmp(op,"*")==0)
{
	fprintf(fp2,"\nMOV R0,%s",arg1);
	fprintf(fp2,"\nMUL R0,%s",arg2);
	fprintf(fp2,"\nMOV %s,R0",result);
}

if(strcmp(op,"-")==0)
{
	fprintf(fp2,"\nMOV R0,%s",arg1);
	fprintf(fp2,"\nSUB R0,%s",arg2);
	fprintf(fp2,"\nMOV %s,R0",result);
}

if(strcmp(op,"/")==0)
{
	fprintf(fp2,"\nMOV R0,%s",arg1);
	fprintf(fp2,"\nDIV R0,%s",arg2);
	fprintf(fp2,"\nMOV %s,R0",result);
}

if(strcmp(op,"=")==0)
{
	fprintf(fp2,"\nMOV R0,%s",arg1);
	fprintf(fp2,"\nMOV %s,R0",result);
}
}
fclose(fp1);
fclose(fp2);
}

************************************************************************************************
. c program

/*Design, develop and implement a C/Java program to generate the machine code using Triples for the
statement A = -B * (C +D) whose intermediate code in three-address form:
T1 = -B
T2 = C + D
T3 = T1 * T2
A = T3
*/