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Re: -funsafe-loop-optimizations
- From: Robert Dewar <dewar at adacore dot com>
- To: Daniel Berlin <dberlin at dberlin dot org>
- Cc: Richard Henderson <rth at redhat dot com>,Zdenek Dvorak <rakdver at atrey dot karlin dot mff dot cuni dot cz>, gcc at gcc dot gnu dot org,dje at gcc dot gnu dot org
- Date: Sat, 01 Jan 2005 01:48:49 -0500
- Subject: Re: -funsafe-loop-optimizations
- References: <20041231211409.GA22814@atrey.karlin.mff.cuni.cz> <Pine.LNX.4.60.0412311649170.6844@dberlin.org> <20041231232501.GA16663@redhat.com> <Pine.LNX.4.60.0412311912410.11338@dberlin.org>
Daniel Berlin wrote:
Who actually uses unsigned variable overflow to accomplish infinite
loops, except as a bug?
Well certainly any thorough test suite will have this construct. It
is a bit worrisome to me to decide to make optimization have the result
of the compiler being non-conformant.