alpha-linux-x-mn10300-elf won't build libstdc++
Alexandre Oliva
aoliva@cygnus.com
Fri Apr 21 10:33:00 GMT 2000
On Apr 21, 2000, Richard Henderson <rth@cygnus.com> wrote:
> On Fri, Apr 21, 2000 at 06:50:28AM -0300, Alexandre Oliva wrote:
>> For some reason, this bug doesn't show up on x86 or sparc, but it
>> causes `movu' to be inappropriately used while building libstdc++ on
>> alpha-linux-x-mn10300-elf. Ok to install?
> No. You're papering over the code that's assuming 32-bit ints.
But target ints *are* 32-bits long. I can't see anything wrong with
the code, except that it's assuming val contains something meaningful
when it doesn't.
> You'll want to change the masks and tests to assume sign-extended
> values.
But the point is exactly not to have sign-extended values. More
significant bits don't matter here.
--
Alexandre Oliva Enjoy Guaraná, see http://www.ic.unicamp.br/~oliva/
Cygnus Solutions, a Red Hat company aoliva@{redhat, cygnus}.com
Free Software Developer and Evangelist CS PhD student at IC-Unicamp
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