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Re: gcc-4.1-20050709: alpha: "macro requires $at register while noat in effect" while compiling Linux kernel
On Mon, Jul 11, 2005 at 08:57:58AM +0200, Falk Hueffner wrote:
> The "ldbu" instruction is only available on ev56 and above, however,
> gcc4.1 emits ".arch ev5" because of "-mcpu=ev5", which overrides as's
> "-mev6". This used to work because 4.0 didn't output ".arch ev5"
> because it doesn't actually do anything important.
>
> I don't see any fault on gcc's side here. You could argue that the
> command line option for as should override the ".arch", but I think
> it's been like this forever. So you should probably just add ".arch
> ev6" inside the asm (annoyingly, gas doesn't seem to have ".arch any"
> or similar).
It'd probably be easier to go back to suppressing the .arch
in this case.
r~