Re: egcs 1.0.1 miscompiles Linux 2.0.33
Jeffrey A Law (law@hurl.cygnus.com)
Mon, 09 Mar 1998 11:04:33 -0700
In message <199803091514.PAA20382@phal.cygnus.co.uk>you write:
> > Note that even with that fix, this asm is still has the potential to
> > cause problems, especially when compiling with -fno-strength-reduce.
>
> You most likely mean -fno-omit-frame-pointer here.
> (This is probably obvious to experienced gcc hackers,
> but others might get confused.)
No, I meant -fno-strength-reduce.
Because of the old strength-reduction problem, the Linux kernel is
set up to build with -fno-strength-reduce. Turning off strength
reduction tends to create the indexed addressing modes which are
causing the problems.
Jeff
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