optimization/6822: GCC 3.1.1 - Internal compiler error in extract_insn, at recog.c:2132

[Eric Botcazou]

> The problem is that +128 is not a valid QImode constant.
> It should have been rendered as -128.  This should have
> happened during the conversion to rtl, not in the tree
> folding code that Eric touched.
> 
> That's not to say that his patch didn't expose a latent bug...

I'll try to investigate this issue tomorrow.

--
Eric Botcazou
ebotcazou@multimania.com