Missed optimisation case - internal use of STCin
Iain Buclaw via Digitalmars-d
digitalmars-d at puremagic.com
Sat Apr 19 04:03:19 PDT 2014
On Saturday, 19 April 2014 at 10:49:22 UTC, Iain Buclaw wrote:
> Hi,
>
> I'm currently testing out a GCC optimisation that allows you to
> set call argument flags. The current assumptions being:
>
> in parameters => Assume no escape, no clobber (read-only).
> ref parameters, classes and pointers => Assume worst case.
> default => Assume no escape.
>
That should read:
ref parameters, inout parameters, classes and pointers.
The default of assuming no escape is an experiment - I may limit
this to only scalar types, and parameters marked as 'scope' (So
long as no one plans on deprecating it soon :)
More information about the Digitalmars-d
mailing list