Messages in this thread | | | Subject | Re: egcs 1.0.1 miscompiles Linux 2.0.33 | Date | Mon, 09 Mar 1998 11:04:33 -0700 | From | Jeffrey A Law <> |
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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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