EGCS optimizer bug?

A.J. Rossini rossini@biostat.washington.edu
25 Oct 1998 20:38:55 -0800


Peter Dalgaard BSA <p.dalgaard@biostat.ku.dk> writes:

> The current development version dies in qbeta() when compiled with
> egcs -O, egcs 1.0.2 and glibc 2.0.7 (RedHat versions). Since this also
> kill the F and t distributions, it doesn't exactly do wonders for R's
> usefulness...
> 
> Anyone else seeing this or has my setup just gone out of whack? It
> does look pretty much like a clear compiler bug when inlining math
> functions (storing temporaries offset from %ebx, but no setting of
> %ebx register to anything useful...)

At what optimization?  I've had various problems with older versions
of EGCS (and have gone back to gcc 2.7.2 except when I must have
reasonable c++ features)

best,
-tony

--
A.J. Rossini			
Rsrch Asst. Professor				Senior Biostatistician
Biostatistics, University of Washington		Epimetrics Corporation
Center for AIDS Research
rossini@biostat.washington.edu			rossini@epimetrics.com
http://www.biostat.washington.edu/~rossini/	http://www.epimetrics.com/
-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-
r-devel mailing list -- Read http://www.ci.tuwien.ac.at/~hornik/R/R-FAQ.html
Send "info", "help", or "[un]subscribe"
(in the "body", not the subject !)  To: r-devel-request@stat.math.ethz.ch
_._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._