Re: having trouble with define_split

2009-01-10 Thread Denis Chertykov
2009/1/9 Sean D'Epagnier : > Hi, > > I am currently working on adding native fixed-point support to the avr > backend. A lot of stuff is working, but there are a few things left, > one of them is conversions from fixed point to floating point. > > I have conversions between all integer and fixed p

Help understanding gcc alias analysis

2009-01-10 Thread Raoul Gough
I've been investigating a code-reordering question to do with g++ strict alias analysis, and I suspect there is a deficiency in the way type-based alias analysis works. I realise that's unlikely to be the case, so I'll try to present a concise demonstration which uses (I think) well-defined C c

Re: Help understanding gcc alias analysis

2009-01-10 Thread Richard Guenther
On Sat, Jan 10, 2009 at 12:19 PM, Raoul Gough wrote: > I've been investigating a code-reordering question to do with g++ strict > alias analysis, and I suspect there is a deficiency in the way type-based > alias analysis works. I realise that's unlikely to be the case, so I'll try > to present a c

Re: Help understanding gcc alias analysis

2009-01-10 Thread Richard Guenther
On Sat, Jan 10, 2009 at 12:55 PM, Richard Guenther wrote: > On Sat, Jan 10, 2009 at 12:19 PM, Raoul Gough wrote: >> I've been investigating a code-reordering question to do with g++ strict >> alias analysis, and I suspect there is a deficiency in the way type-based >> alias analysis works. I real

Re: This is a Cygwin failure yeah?

2009-01-10 Thread Bernd Roesch
Hello Dave On 09.01.09, you wrote: > > You can't assume that actually was a stack overflow just because the > stack ended up corrupted. > yes thats the problem, because a assert give this message too.maybe the program do assert. maybe theres a way that cygwin print out the assert text earlier

-frtl-abstract-sequences broken?

2009-01-10 Thread Laurent GUERBY
Hi, It looks like the tests for -frtl-abstract-sequences are either skipped or xfailed for a long list of platforms: http://gcc.gnu.org/bugzilla/show_bug.cgi?id=33642 "unrecognizable insn for -frtl-abstract-sequences" << Almost any source file compiled for any of a large number of targets (powerp

Re: -frtl-abstract-sequences broken?

2009-01-10 Thread Richard Guenther
On Sat, Jan 10, 2009 at 3:33 PM, Laurent GUERBY wrote: > Hi, > > It looks like the tests for -frtl-abstract-sequences are either skipped > or xfailed for a long list of platforms: > > http://gcc.gnu.org/bugzilla/show_bug.cgi?id=33642 > "unrecognizable insn for -frtl-abstract-sequences" > << > Almo

Re: -frtl-abstract-sequences broken?

2009-01-10 Thread Laurent GUERBY
On Sat, 2009-01-10 at 15:56 +0100, Richard Guenther wrote: > On Sat, Jan 10, 2009 at 3:33 PM, Laurent GUERBY wrote: > > Hi, > > > > It looks like the tests for -frtl-abstract-sequences are either skipped > > or xfailed for a long list of platforms: > > > > http://gcc.gnu.org/bugzilla/show_bug.cgi?

Steve Kargle and Daniel Franke - reviewers.

2009-01-10 Thread Toon Moene
L.S., I have kept this under wraps for some weeks because I wanted to be sure all Steering Committee members had a chance to review this request - in spite of the holiday season. Now, however, I want to congratulate Daniel Franke and Steve Kargle (who has been a GNU Fortran maintainer before