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Re: [RFA] Don't coerce arrays if they're vectors.


Elena Zannoni wrote:
> 
> Michael Snyder writes:
> 
> Which problem does this fix? i.e. which call(s) of value_cast?
> 
> Elena

It gets called when I do "print foo(vec_arg)".

> 
>  >
>  > This seem reasonable to you vector-savvy folk?
>  >
>  > Michael
>  >
>  > 2002-05-16  Michael Snyder  <msnyder@redhat.com>
>  >
>  >      * valops.c (value_cast): Don't coerce arrays if they're vectors.
>  >
>  > Index: valops.c
>  > ===================================================================
>  > RCS file: /cvs/src/src/gdb/valops.c,v
>  > retrieving revision 1.59
>  > diff -p -r1.59 valops.c
>  > *** valops.c 13 May 2002 14:00:36 -0000      1.59
>  > --- valops.c 16 May 2002 22:32:40 -0000
>  > *************** value_cast (struct type *type, struct va
>  > *** 210,217 ****
>  >      }
>  >       }
>  >
>  >     if (current_language->c_style_arrays
>  > !       && TYPE_CODE (type2) == TYPE_CODE_ARRAY)
>  >       arg2 = value_coerce_array (arg2);
>  >
>  >     if (TYPE_CODE (type2) == TYPE_CODE_FUNC)
>  > --- 210,221 ----
>  >      }
>  >       }
>  >
>  > +   /* Arrays are coerced to pointers to their first element, unless
>  > +      they are vectors, in which case we want to leave them alone,
>  > +      because they are passed by value.  */
>  >     if (current_language->c_style_arrays
>  > !       && TYPE_CODE (type2) == TYPE_CODE_ARRAY
>  > !       && !TYPE_VECTOR (type2))
>  >       arg2 = value_coerce_array (arg2);
>  >
>  >     if (TYPE_CODE (type2) == TYPE_CODE_FUNC)


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