[Pixman] [PATCH] Make sure iwMMXt is only detected on ARM

Matt Turner mattst88 at gmail.com
Thu Oct 6 09:14:44 PDT 2011

On Thu, Oct 6, 2011 at 7:44 AM, Toms Miks <barvins.test at gmail.com> wrote:
>>accepting -march=iwmmxt on x86 is a bug in GCC
> "-march" just tells gcc for what processor it has to generate the code. It
> does not matter what processor the computer actually has. I mean, it's ok to
> compile code for ARM on x86 computer, or the other way around.

That's not true.

$ gcc -march=iwmmxt -c iwmmxt.c
iwmmxt.c:1:0: error: bad value (iwmmxt) for -march= switch


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