[parisc-linux] Re: 64-bit long double support.

[Mike Frysinger]

On Friday 17 November 2006 00:35, John David Anglin wrote:
> > http://gcc.gnu.org/PR29114
>
> This has nothing to do with the discussion about long double support.

i didnt say it does ... i responding to the "testing NPTL in distros" comment

> From the PR, this only occurs in a cross from 64-bit host to 32-bit target.
> There's no 64-bit parisc-linux host...

i said that in my e-mail:
"plus, it makes it hard doing cross-compiles when my 64bit hosts"

> It would appear that the adddi3 expander in pa.md isn't used for some
> reason in the initial code expansion as it would reject the insn.  You
> are in the best position to determine where the insn is being emitted from.
> It could be being emitted from the generic code or the PA backend.  Try
> breaks on emit_move_sequence, emit_insn, emit_insn_after or
> emit_insn_before and see if you can find where the insn is being emitted.

erm, i've never debugged gcc before ... my experience involves producing 
reduced test cases and getting others to verify/fix gcc :)

but if it'll be of help to people ...
-mike
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