Re: Internal compiler error in gcc3.0.2 for ppc403

[Dan Kegel <dkegel at ixiacom dot com>]

Dan Kegel wrote:
> I've been using gcc3.0.2 built for ppc403 (patched to
> support ppc405; see http://www.kegel.com/xgcc3/ )
> for about a year with no trouble, but compiling kaffe
> exposed an internal compiler error.  Since updating
> to a new compiler is a somewhat major effort, I thought
> I'd post details about it here, and see if anyone knows
> what version of gcc (if any) fixes this problem before
> I start trying versions at random.  Here's the compiler
> error when building kaffe:
>
> ../../../kaffe-1.0.7-libtool1.4e/kaffe/kaffevm/support.c:1051: Insn does 
> not satisfy its constraints:
> (insn 1003 1000 533 (set (reg/v:DF 40 f8 [77])
>         (mem:DF (plus:SI (reg/f:SI 31 r31)
>                 (const_int 8 [0x8])) 0)) 293 {*movdf_softfloat32} (nil)
>     (nil))
> ../../../kaffe-1.0.7-libtool1.4e/kaffe/kaffevm/support.c:1051: Internal 
> compiler error in reload_cse_simplify_operands, at reload1.c:8364


This probably has to do with the fact that Kaffe is doing
floating point stuff, but the ppc405 doesn't have floating
point support:

http://www.kaffe.org/pipermail/kaffe/2002-October/009100.html

Sigh.  I guess I should do a better job with google before I post!
I'm still interested in whether there's a good way to
make gcc output a more sensible error, if that's all it is.
- Dan