Messages in this thread | | | Date | Tue, 24 Jul 2007 23:24:55 -0700 | From | Jeremy Fitzhardinge <> | Subject | Re: [PATCH][RFC] getting rid of stupid loop in BUG() |
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H. Peter Anvin wrote: > INT 6 is #UD, so the __builtin_trap() replaces the ud2a as well as the loop. >
__builtin_trap() emits an actual ud2a; the effect is an int 6, of course.
> How far back was __builtin_trap() supported?
I think its relatively recent, but it might be within our supported compiler window.
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