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Date: | Thu, 5 Aug 1999 18:01:23 +0300 (IDT) |
From: | Eli Zaretskii <eliz AT is DOT elta DOT co DOT il> |
X-Sender: | eliz AT is |
To: | Laurynas Biveinis <lauras AT softhome DOT net> |
cc: | djgpp-workers AT delorie DOT com |
Subject: | Re: CPU ID program, second version |
In-Reply-To: | <37A96C09.95FC9A2@softhome.net> |
Message-ID: | <Pine.SUN.3.91.990805175845.16775A-100000@is> |
MIME-Version: | 1.0 |
Reply-To: | djgpp-workers AT delorie DOT com |
X-Mailing-List: | djgpp-workers AT delorie DOT com |
X-Unsubscribes-To: | listserv AT delorie DOT com |
On Thu, 5 Aug 1999, Laurynas Biveinis wrote: > > Also, your switch statement is incomplete -- add a default case and > > call it "ix86" or something like that. > > It currently handles all cases - first CPU's with CPUID instruction > are 486 and Pentiums. And currently there is no CPU which reports > bigger value in "instruction family" field than 0x6 (for i686). Nevertheless, switch statements with no default are generally a bad idea. A library function shouldn't have undefined behavior in unforseen circumstances. I think returning i486 as the default in the last switch is good enough. Do you agree?
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