Re: [PATCH] take 2 of the tr-based current

[Benjamin LaHaise <bcrl@redhat.com>]

On Sun, Nov 11, 2001 at 11:01:08AM +1100, Anton Blanchard wrote:
> static inline struct Paca *get_paca(void) __attribute__ ((pure));
> static inline struct Paca *get_paca(void)
> {
> 	struct Paca *rval;
> 	__asm__ ("mfspr %0,0x113" : "=r" (rval));
> 	return rval;
> }
> 
> Alan Modra came to the rescue and found that gcc was optimising too much
> and since the function did not touch any global variables, it would
> upgrade the pure to const. This was on gcc 3.0.X.

Hmmm.  Would adding a fake global input help with that?  Something like a 
"g" (aligned_data) input.

		-ben
-- 
Fish.