[LLVMdev] Re: Newbie questions
vadve at cs.uiuc.edu
Wed Apr 26 21:10:49 PDT 2006
On Apr 26, 2006, at 11:02 PM, Chris Lattner wrote:
>> By reordering two instructions that could throw exceptions.
> One of us is confused. The approach above never has instructions
> that throw exceptions.
I think we're talking about different cases. What you say is true
about Tom's first approach (explicit comparisons before each
potentially trapping instruction). I was talking about the second
approach (taking a signal and converting that to an exception). That
could be broken by reordering two such instructions.
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