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
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This archive was generated by hypermail 2b29 : Thu Nov 15 2001 - 21:00:25 EST