Explain common sub expression elimination, Computer Engineering

Assignment Help:

Explain briefly Common sub expression elimination of the commonly used code optimization techniques.

Common sub expression elimination:

In given expression as "(a+b)-(a+b)/4", in such "common sub-expression" termed to the duplicated "(a+b)". Compilers implementing such technique realize that "(a+b)" would not modify, and by itself, only compute its value once and use similar value next time.


Related Discussions:- Explain common sub expression elimination

What is basic analog design, What is basic Analog Design? Analog design...

What is basic Analog Design? Analog design is rather challenging than digital design as analog circuits are sensitive to noise, operating voltages, loading circumstances and ot

Queueing process, explain in detail about queueing process

explain in detail about queueing process

Convert a JK flipflop to T type flipflop, With the help of a suitable diagr...

With the help of a suitable diagram, explain how do you convert a JK flipflop to T type flipflop. Ans. As here flip flop is JK flip flop and it is required to convert JK in T.

8259 PIC, plz expalain interfacing of 8259 with 8085 step wise

plz expalain interfacing of 8259 with 8085 step wise

What is event-driven control, What is event-driven control? Control res...

What is event-driven control? Control resides within a dispatcher or monitors that language, subsystem or OS provider. Developers attach application process to events and dispa

Explain variable-partition contiguous storage allocation, Explain the conce...

Explain the concept of variable-partition contiguous storage allocation. Suppose that we have 1024K main memory available in that 128K is occupied through operating system pro

Explain level of a node, Level of a node The root is at level zero and ...

Level of a node The root is at level zero and the level of the node is 1 more than the level of its parent

Use of arrays in assembly, An array is referencing using a base array value...

An array is referencing using a base array value as well as an index. To simplify addressing in arrays 8086 has provided two index registers for mathematical computations viz. BP a

What is the use and function of file transfer protocol, What is the use and...

What is the use and function of File Transfer Protocol? FTP : File Transfer Protocol (FTP) is the protocol used upon the Internet for sending files and is usually used fo

Write Your Message!

Captcha
Free Assignment Quote

Assured A++ Grade

Get guaranteed satisfaction & time on delivery in every assignment order you paid with us! We ensure premium quality solution document along with free turntin report!

All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd