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...on > 64 bit > platforms. Of course it could also be a compiler bug. You got this from > compiling Fortran with dragonegg, right? What was the original code? > I got this from C code compiled by llvm-gcc. There is a consistent prototype for the function TypHandle Cyclotomic ( hdRes, n, m ) TypHandle hdRes; long n, m; the call looks as follows, hdI = ProdCyc( hdI, Cyclotomic( HdResult, n, 1 ) ); which is basically Cyclotomic( HdResult, n, 1 ); The problem is the fact that it interprets 1 as an int32 instead of an int64. And later converts...

Hi Arushi, > When it asks for the castOpcode, it assumes both types are unsigned(indicated by > the false arguments). > > Is it correct to assume this? yes, because the behaviour of the original code was undefined. Ciao, Duncan. PS: This is the sort of thing that happens when a function is declared with a prototype such as void *Cyclotomic(void *, long, int) but the function

Hi Arushi, > I got this from C code compiled by llvm-gcc. > > There is a consistent prototype for the function > > TypHandle Cyclotomic ( hdRes, n, m ) > TypHandle hdRes; > long n, m; I just remembered that Kernighan and Ritchie style declarations like this don't have the semantics you might expect. In particular this is not equivalent to saying TypHandle Cyclotomic ( TypHandle hdRes...

Hi Arushi, > I got this from C code compiled by llvm-gcc. > > There is a consistent prototype for the function > > TypHandle Cyclotomic ( hdRes, n, m ) > TypHandle hdRes; > long n, m; > > the call looks as follows, > hdI = ProdCyc( hdI, Cyclotomic( HdResult, n, 1 ) ); I bet the call occurs before the function is defined. In this case C treats the callee as being a varargs function (......

On Wed, Apr 6, 2011 at 8:35 AM, Duncan Sands <baldrick at free.fr> wrote: > Hi Arushi, > > > I got this from C code compiled by llvm-gcc. >> >> There is a consistent prototype for the function >> >> TypHandle Cyclotomic ( hdRes, n, m ) >> TypHandle hdRes; >> long n, m; >> >> the call looks as follows, >> hdI = ProdCyc( hdI, Cyclotomic( HdResult, n, 1 ) ); >> > > I bet the call occurs before the function is defined. In this case C > treats &gt...