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Re: RFA: Use .opt files for the m68k port
On Fri, Apr 15, 2005 at 06:51:22PM +0200, Andreas Schwab wrote:
> Gunther Nikl <gni@gecko.de> writes:
>
> > I just had another look at the m68k change and I noticed that
> > TARGET_DEFAULT_TARGET_FLAGS contains MASK_STRICT_ALIGNMENT. I must
> > admit that I never noticed the strange old defintions for it. Do
> > I read that correctly that this is the old default value?
>
> Yes, that was the old default, except that m68k-linux overrides
> STRICT_ALIGNMENT to be always zero, effectively ignoring -mstrict-align.
I noticed that when I grepped for "STRICT_ALIGNMENT". What is the reason
for this decision? I know the 68020 and later can do mis-aligned accesses
but these are supposed to be slow.
Gunther