* 64-bit on A64 running 32-bit
@ 2005-07-12 20:59 David Rasmussen
2005-07-12 21:13 ` Richard Henderson
2005-07-12 21:23 ` Adam Wood
0 siblings, 2 replies; 3+ messages in thread
From: David Rasmussen @ 2005-07-12 20:59 UTC (permalink / raw)
To: gcc
If I am running Windows XP or some regular 32-bit Linux distribution,
can I still use gcc 3.4.x to compile a 64-bit A64 version of my code?
I have a program that uses 64-bit integers heavily, and I would like it
to utilize 64-bit mode in A64, even if this A64 is running a 32-bit OS.
Is this possible? Or is 32-bit and 64-bit entirely different "modes" on A64?
/David
^ permalink raw reply [flat|nested] 3+ messages in thread
* Re: 64-bit on A64 running 32-bit
2005-07-12 20:59 64-bit on A64 running 32-bit David Rasmussen
@ 2005-07-12 21:13 ` Richard Henderson
2005-07-12 21:23 ` Adam Wood
1 sibling, 0 replies; 3+ messages in thread
From: Richard Henderson @ 2005-07-12 21:13 UTC (permalink / raw)
To: David Rasmussen; +Cc: gcc
On Tue, Jul 12, 2005 at 10:58:17PM +0200, David Rasmussen wrote:
> Is this possible? Or is 32-bit and 64-bit entirely different "modes" on A64?
No it isn't possible. Yes, they are different modes.
r~
^ permalink raw reply [flat|nested] 3+ messages in thread
* Re: 64-bit on A64 running 32-bit
2005-07-12 20:59 64-bit on A64 running 32-bit David Rasmussen
2005-07-12 21:13 ` Richard Henderson
@ 2005-07-12 21:23 ` Adam Wood
1 sibling, 0 replies; 3+ messages in thread
From: Adam Wood @ 2005-07-12 21:23 UTC (permalink / raw)
To: David Rasmussen; +Cc: gcc
On 12 Jul 2005, at 21:58, David Rasmussen wrote:
> If I am running Windows XP or some regular 32-bit Linux
> distribution, can I still use gcc 3.4.x to compile a 64-bit A64
> version of my code?
>
> I have a program that uses 64-bit integers heavily, and I would
> like it to utilize 64-bit mode in A64, even if this A64 is running
> a 32-bit OS.
>
> Is this possible? Or is 32-bit and 64-bit entirely different
> "modes" on A64?
>
> /David
>
They are different modes -- you need an OS that can transition to the
64 bit modes, so that's Windows 64 bit or a 64-bit Linux
distribution, for example.
--
Adam
^ permalink raw reply [flat|nested] 3+ messages in thread
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2005-07-12 20:59 64-bit on A64 running 32-bit David Rasmussen
2005-07-12 21:13 ` Richard Henderson
2005-07-12 21:23 ` Adam Wood
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