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

Benjamin LaHaise
2001-11-11T01:01:38Z

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.