[Top][All Lists]
[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]
Re: bug in check for stack growth direction in _AC_LIBOBJ_ALLOCA
From: |
Ralf Wildenhues |
Subject: |
Re: bug in check for stack growth direction in _AC_LIBOBJ_ALLOCA |
Date: |
Tue, 21 Jun 2011 21:43:49 +0200 |
* Paul Eggert wrote on Tue, Jun 21, 2011 at 12:19:25AM CEST:
> Testing this is not something for the fainthearted, as it requires
> access to all sorts of strange hosts. However, it does seem to
> defeat GCC 4.6.0's tail-recursion optimization (-O0 through -O4)
> on my platform, which is what is wanted.
It would be good to make sure GCC 4.6 whole program/link time
optimization doesn't defeat this (I haven't checked).
Thanks,
Ralf