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Re: maximize register allocation
- From: Tim Prince <tprince at computer dot org>
- To: Giorgio Alfarano <nakkore at libero dot it>, gcc at gnu dot org
- Date: Fri, 13 Sep 2002 06:02:38 -0700
- Subject: Re: maximize register allocation
- References: <3D8214CD.9010403@libero.it>
- Reply-to: tprince at computer dot org
On Friday 13 September 2002 09:39, Giorgio Alfarano wrote:
> Hi,
> i would like to know how to maximize the number of registers used to
> compile a c function.
> i.e. if i have a bank of 200 registers i'd like that gcc use the maximum
> number of register (without using unuseful reg move) to code that function
> no matter how many pushes are made in the stack.
> if anyone has some idea or suggestion please let me know.
> Thankx in advance
>
> Giorgio
-frename-registers may be useful on a pipelined machine without hardware
register renaming. It may also be buggy.
--
Tim Prince