Re: gcc optimisation breaks guile floating point

[Marius Vollmer]

Gary Houston <address@hidden> writes:

> > Under gcc, the following statement:
> > 
> >   asm volatile ("" : : : "memory");
> >
> > [...]
>
> This is good, it's similar to a previous work-around in libguile/throw.c.

I haven't checked with the standard, but it might be the case that a
compiler must assume that a pointer to char can alias any type.  Thus, 

  #define SCM_REAL_VALUE(x) (((scm_t_double *)((char *)SCM2PTR (x)))->real)

might work as well.

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