I meant that a5 was used when I defined a pointer foo and it wasn't used
when I defined int y.
"Falk Hueffner"
<falk.hueffner@xxxxxxxxxxxxxx To: "Tal Agmon" <Tal.Agmon@xxxxxxx>
ebingen.de> cc: gcc-help@xxxxxxxxxxx, "Tomer Levi" <Tomer.Levi@xxxxxxx>
Subject: Re: Using local register variable
12/30/03 07:13 PM
"Tal Agmon" <Tal.Agmon@xxxxxxx> writes:
> The manual says:
> You can define a local register variable with a specified register like
> this:
> register int *foo asm ("a5");
>
> My question: is foo must be a pointer or can I define for example:
> register int y asm ("a5");
Both are legal.
> I'm asking this because in gcc-3.3.2 I saw (in a very simple program
> with no reason not the preserve a register) that a5 was not
> preserved for y, and when I defined it as in the first example, a5
> WAS preserved for foo.
I don't understand what you mean by "preserve", so I can't comment on
this...
>
--
Falk
