gfc_offset question (32 vs. 64 bits)

[Tobias Schlüter]

Steven Bosscher wrote:
> On Tuesday 14 December 2004 23:03, Steve Ellcey wrote:
> 
>>That certainly looks interesting.  What do people think about an
>>environment variable to control this?  gfc_offset would get set just
>>like it does now but you could set an environment variable
>>GFORTRAN_RECORD_OFFSET_SIZE to either 32 or 64.
> 
> 
> I think this would be a significant performance hit, which, frankly,
> I wouldn't accept for ia64.

Care to explain why? Checking one global variable during a read/write
shouldn't make much of a difference. The environment is parsed at program startup.

- Tobi