Peter Osterlund wrote:
>> mov <mem1>,eax
>> mov eax,<mem2>
>> mov <mem1>,eax ; eax already contains mem1 you stupid compiler
>> ret
>
> Not necessarily if mem2 == mem1 + 2. Consider this code:
I realized after sending that last that I should have added that there
were no volatiles and no aliasing possible. This was the kernel code:
return conf->last_used = new_disk;
(new_disk is a local variable, conf is a function arg.)
------
Chuck
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This archive was generated by hypermail 2b29 : Wed May 07 2003 - 22:00:15 EST