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Recent questions tagged three-address-code

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31

MadeEasy Test Series 2018: Compiler - Code Optimization
Given the 3-address code for a basic block: The number of registers that are needed to allocate this basic block with no spills are ________.? My doubt here is : Is there any difference in question asking for minimum ... ask for minimum number of variables required in three address code, Only then should we optimize the code before counting?

Shivam Kasat asked in Compiler Design Dec 23, 2018

by Shivam Kasat

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32

self_doubt
what will be the three address code for x=A[i][j] Given A[M][N] and w is word size; t1=i*N; t2=t1+j; t3=t2*w; t4=base address of array A[M][N] t5=t4+t3; x=t5; My doubt here: Is there any need of t4 variable for storing the base address of arrary or we can directly do it as t4=A[t3]; x=t4;

Shivam Kasat asked in Compiler Design Dec 22, 2018

by Shivam Kasat

354 views

2 votes

1 answer

33

3 address code
The minimum number of variables required in 3 address code of the given expression are:______ a * b * c + d - a + e * f - g + h Order of precedence: * > + > - ; with * as left associative and +,- as right associative.

Sambhrant Maurya asked in Compiler Design Nov 1, 2018

by Sambhrant Maurya

3.5k views

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1 answer

34

made easy test series

Chetan28kumar asked in Compiler Design Oct 19, 2018

by Chetan28kumar

239 views

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1 answer

35

made easy online test
For question like :- Find minimum number of variable required to solve the expression in three address code. (not SSA) Do we need to consider the given variable also? Example:- q + r/3 + s – t * 5 + u * v/w how many variable required?

sardendu asked in Compiler Design Sep 29, 2018

194 views

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2 answers

36

Shivangi Parashar 2 asked in Compiler Design Sep 19, 2018

by Shivangi Parashar 2

601 views

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1 answer

37

Doubt in Compiler
Three address codes can be implemented by (a) indirect triples (b) direct triples (c) quadruples (d) none of the above

goluabhinan asked in Compiler Design Sep 16, 2018

1.2k views

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38

Test series
$\text{What is three address code representation of this ?}$ -a+b|c^d^e*f|g

Nikhil Patil asked in Compiler Design Feb 18, 2018

by Nikhil Patil

349 views

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2 answers

39

test series
Consider the following statements: S1 : Three-address code is a linearized representation of syntax tree. S2 : The syntax tree not depicts the natural hierarchical structure of source program. Which of the following is true? plz explain s1 statement

92komal asked in Compiler Design Dec 23, 2017

2.0k views

7 votes

1 answer

40

No of Temporary Variable required
Consider the following $3-$address code. $t_1=t+e$ $t_2=g+a$ $t_3=t_1+t_2$ $t_4=t_2+t_2$ $t_5=t_4+t_3$ There are five temporary variables in above code. The minimum number of temporary variables that can be used in the equivalent optimised $3-$address code of above code are ______________. Can anyone Confirm How many temporary variables required here.? I got 3 .

junaid ahmad asked in Compiler Design Oct 5, 2017

by junaid ahmad

443 views

1 vote

1 answer

41

3 address representation
In 3 address code format can LHS be repeated ? For eg if we have expression a + b*c then t1 = a t2 = b*c t1 = t1 + t2 or t3 = t1 + t2 which one is correct?

Xylene asked in Compiler Design Aug 29, 2017

by Xylene

227 views

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1 answer

42

doubt
why x=a[i][j] and x=f(a,b) are not three address code..

firki lama asked in Compiler Design Jan 5, 2017

415 views

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1 answer

43

compilation
Which of the following class of statement usually produces no executable codes when compiled? Assignment Declaration Input and output statement Structural statements

vaishali jhalani asked in Compiler Design Nov 22, 2016

by vaishali jhalani

369 views

0 votes

1 answer

44

Three address code

thor asked in Compiler Design Nov 17, 2016

by thor

764 views

2 votes

1 answer

45

ME-Single Static Assignment
Do I have to define variables(a,b,c,d,e) in temp variable before use? Ans is 6 or 11??

KISHALAY DAS asked in Compiler Design Oct 21, 2016

by KISHALAY DAS

402 views

1 vote

1 answer

46

Aman Jha asked in Compiler Design Oct 14, 2016

199 views

2 votes

2 answers

47

Write Quadruples,Triples, and indirect Triples for the expression
Write Quadruples,Triples, and indirect Triples for the expression : (a+b) * (c+d) - (a+b+c)

LavTheRawkstar asked in Compiler Design Jun 25, 2016

by LavTheRawkstar

25.4k views

3 votes

1 answer

48

Three address code invloves
Three address code invloves exactly 3 addresses at most 3 addresses at least 3 addresses No unary opeartors

sh!va asked in Compiler Design Jun 23, 2016

by sh!va

12.3k views

5 votes

4 answers

49

Find number of variables in optimized code
Consider following 3 address code t1 = t+e t2 = g+a t3 = t1*t2 t4 = t2+t2 t5 = t4+t3 The minimum number of temporary variables that can be used in equivalent 3-address code of above code is Approach: t = t+e, g = g+a, t = t*g, g = g+g,t = t+g. Hence 4 temporary variables are needed. Is this right?

Kitty Kat asked in Compiler Design Oct 12, 2015

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Recent questions tagged three-address-code