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Re: c++ and loop unrolling
- To: Jason Moxham <jlm at maths dot soton dot ac dot uk>
- Subject: Re: c++ and loop unrolling
- From: Jeffrey A Law <law at cygnus dot com>
- Date: Sun, 29 Aug 1999 14:04:44 -0600
- cc: gcc-bugs at gcc dot gnu dot org
- Reply-To: law at cygnus dot com
In message <199908291732.SAA03299@malone.maths.soton.ac.uk>you write:
>
>
> For Gcc-2.95.1 on the info pages it states that C++ and loop-unrolling
> may have bugs in it
> On the gcc web page there is no mention of thic C++ and loop unrolling
> bug
>
> So has it been fixed ?
Some bugs have been fixed. Others have not.
> If not is it a incorrect code bug (BAD) or a compile time bug (so if my
> program compiles then it is OK) ?
Both. :-) The original bug which lead to that note was a compile time problem,
but there are some known bugs with unrolling and exception handling which can
cause the compiler to generate incorrect code.
jeff