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Conversion of C code into RTL Code

 
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Conversion of C code into RTL Code
nikki123
28 Sep, 2008 - 12:04 AM
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What is RTL code.How can we convert a given C file into RTL code.
i have an assignment of conversion of C code into RTL code using C++.but i do not know anything about RTL code.if anyone knows about the RTL code,please help me.
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Satan.inc
RE: Conversion Of C Code Into RTL Code
28 Sep, 2008 - 04:16 AM
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QUOTE(nikki123 @ 28 Sep, 2008 - 01:04 AM) *

What is RTL code.How can we convert a given C file into RTL code.
i have an assignment of conversion of C code into RTL code using C++.but i do not know anything about RTL code.if anyone knows about the RTL code,please help me.




Hey nikki ! just WIKI yar!! biggrin.gif

"In computer science, register transfer language (RTL) is a term used to describe a kind of intermediate representation (IR) that is very close to assembly language, such as that which is used in a compiler. Academic papers and textbooks also often use a form of RTL as an architecture-neutral assembly language. RTL is also the name of a specific IR used in the GNU Compiler Collection, and several other compilers, such as Zephyr"

RTL code is just an generic assebly representation of any code rolleyes.gif Good enough to write theories!!! smile.gif
For example consider GCC's RTL is usually written in a form which looks like a Lisp S-expression:

(set:SI (reg:SI 140) (plus:SI (reg:SI 138) (reg:SI 139)))
This "side-effect expression" says "add the contents of register 138 to the contents of register 139 and store the result in register 140."
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