__attribute__ ((regparm(...))) in function declaration and gcc 3.4.0

[Nicholas Nethercote]

On Sun, 29 Feb 2004, Serge Belyshev wrote:

> Why this fails to compile with gcc 3.4.0 (i686-pc-linux-gnu, 20030229)?
>
> $ cat > test.h
> int plus (int a, int b)  __attribute__ ((regparm (2)));
> $ cat > test.c
> #include "test.h"
>
> int plus (int a, int b)
> {
> 	return a + b;
> }
> $ gcc -c test.c
> test.c:4: error: conflicting types for 'plus'
> test.h:1: error: previous declaration of 'plus' was here
> test.c:4: error: conflicting types for 'plus'
> test.h:1: error: previous declaration of 'plus' was here

Try adding the __attribute__((regparm(2))) to the function definition as
well.  It seems this behaviour is new with 3.4.0.

N