From mboxrd@z Thu Jan 1 00:00:00 1970 Message-ID: <775b8d190512132001k41f4f6b2rc41deabb4180720a@mail.gmail.com> Date: Wed, 14 Dec 2005 15:01:31 +1100 From: Bruce Ellis To: Fans of the OS Plan 9 from Bell Labs <9fans@cse.psu.edu> Subject: Re: [9fans] MS Research reinvents Inferno? In-Reply-To: MIME-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: quoted-printable Content-Disposition: inline References: Topicbox-Message-UUID: c48adb92-ead0-11e9-9d60-3106f5b1d025 Both ozinferno and guido do bounds checking. It's not hard. It chews a few cycles under emu but for guido it's just a bucket of gates. brucee On 12/14/05, Charles Forsyth wrote: > > when Inferno is jitting, it doesn't > > insert bounds checks on array references, so it can crash easily too. > > as it happens, we've added those checks. ok, ok, they're currently wierd= ly optional, > and i'd need to check which jits have had them added so far, > but probably the default will change once we've a better idea of the cost= . > it saves a lot of unpleasantness.