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Re: Need advice on bounds checking approaches
- To: law at cygnus dot com
- Subject: Re: Need advice on bounds checking approaches
- From: Michael Hayes <m dot hayes at elec dot canterbury dot ac dot nz>
- Date: Tue, 28 Mar 2000 15:23:17 +1200 (NZST)
- Cc: Greg McGary <gkm at eng dot ascend dot com>, Geoff Keating <geoffk at cygnus dot com>,gcc at gcc dot gnu dot org
- References: <"ms8zz4rr51.fsf"@gkm-dsl-194.ascend.com> <7112.954195778@upchuck>
Jeffrey A Law writes:
>
> In message <ms8zz4rr51.fsf@gkm-dsl-194.ascend.com>you write:
> > > I can't think of any support on ppc for this that isn't already
> > > represented in the machine description through the TRAP RTXs.
> >
> > Conditional traps aren't widely available (only i960, m68k, powerpc,
> > sparc), so that approach doesn't help all that much for portability.
> > Is there something more that I'm missing?
> The PA has conditional traps. We've just never bothered adding them
> the MD file.
Ditto C3x/C4x.
Michael.