arm instructions used by gcc

[Ian Lance Taylor]

Shakthi Kannan <shakstux@yahoo.com> writes:

> The big picture: I am trying to write an ARM
> instruction set simulator using Qt. I am using lex and
> yacc for lexical and syntax analysis. This will
> generate an intermediate output that will be parsed by
> Qt.
> 
> I would like to know the ARM assembly instructions
> that are used in gcc for generating ARM code.
> 
> I did look at the gcc internals and hardware
> description from here:
> 
> http://gcc.gnu.org/onlinedocs/gccint/Machine-Desc.html#Machine-Desc
> 
> As a newbie, I am not able to interpret the arm.md
> file in gcc/config/arm. Is there any other
> documentation with numerous examples to illustrate the
> inner working of gcc and its code generation process?
> 
> Any links/pointers in this regard is appreciated.

gcc doesn't document instruction set details.  For details on the ARM
instruction set, you need to head over to http://arm.com/.  The last
time I looked, there was a way to sign up for them to send you a CD
with all the details.

Ian