How do I compile GCC to generate MIPS code ?

Hi all,

I have recently started to study the MIPS architecture. For instance, I wanted to have GCC compile C code into MIPS assembly and run it in SPIM. (I have an Intel machine running Linux).

So I want to try something like this:

gcc -Wall -pedantic -S --march=mips1 test.c

in order to have it generate MIPS assembly.

It does not work. All I get is:

cc1: error: bad value (mips32) for -march= switch
cc1: error: bad value (mips32) for -mcpu= switch

Clearly, I need to recompile GCC so it has MIPS in its available architectures. Remark, this is not cross-compiling, because I want GCC to run on an i686 machine, it just generates MIPS code.

Can any one help me do this ?

Thank you
Leonel

There are these brand new services just out called Google and Wiki!!! You should try them out. They're revolutionary!! All kidding aside, go to:

http://www.linux-mips.org/

which is the main site. The link directly to the toolchains is:

http://www.linux-mips.org/wiki/index.php/Toolchains

more information about emulators/simulators is:

http://www.linux-mips.org/wiki/index.php/Emulators

All of the information that you are looking for will be there. Have lots of fun. Please feel free to ask questions after you have exhausted those resources.

-Steve

Cross compiling is the (black) art of building a compiler that runs on Arch X, but generates code for Arch Y. You definitely do not want to replace your system compiler (that is, i686-pc-linux-gnu-gcc) with a mips one, cause then you won't be able to rebuild i686 packages. You want a second compiler to be available capable of handling mips-unknown-linux-gnu.

--Kumba

"Such is oft the course of deeds that move the wheels of the world: small hands do them because they must, while the eyes of the great are elsewhere." --Elrond