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Re: more ia32 bugs (unrolling)
- To: Toon Moene <moene at knmi dot nl>
- Subject: Re: more ia32 bugs (unrolling)
- From: Jeffrey A Law <law at cygnus dot com>
- Date: Wed, 23 Jun 1999 00:35:30 -0600
- cc: egcs-bugs at egcs dot cygnus dot com
- Reply-To: law at cygnus dot com
In message <37707D5F.84F1B9AD@knmi.nl>you write:
> Yep, it also probably has nothing to do with loop unrolling (I got the
> same error yesterday when trying an ordinary bootstrap, which uses flags
> -O2 -g). Unfortunately, I was too tired to track it down; I agree that
> the real error must be that the JUMP_LABEL is null; at least, it doesn't
> seem like a useful construct to me: a jump without a label.
Just to clarify -- there are cases where a jump can have a null JUMP_LABEL
(consider a table jump, or a return).
But for any normal conditional or unconditional jump we should have
a suitable JUMP_LABEL. And in Mike's example all I saw were normal jumps.
jeff