Subject: Re: I want to rid ugly float load/stores used only for data movement
To: David Edelsohn <email@example.com>
From: Jason R Thorpe <firstname.lastname@example.org>
Date: 02/22/2003 16:42:39
On Sat, Feb 22, 2003 at 06:09:13PM -0500, David Edelsohn wrote:
> MLR> Would anyone point me in the correct direction?
> Your intent cannot be implemented safely in GCC. If GCC knows it
> has FPRs and FPRs hold 64-bit values (which they must), it will use them
> for 64-bit moves. Cannot be avoided safely.
That's kind of a bummer. I seem to recall the idea of "no-implicit-fp"
coming up on the GCC mailing list recently, too. The reason people want
is to eliminate unpredictable context switch times and/or speed up context
-- Jason R. Thorpe <email@example.com>