i386 inline-asm string functions - some questions

[Zack Weinberg]

Denis Zaitsev <zzz@anda.ru> writes:

>> You could use the "X" constraint, which is supposed to mean "anything"
>> and by implication "unused", but it's normally only with scratch
>> registers, not memories, and the address reloads don't get deleted.
>  
> Yes, I've tried the "X" - there is no difference from the "m" - all
> the same unneded extra code (exactly).

I think the most constructive thing for you to do is find out _why_
all this unneeded extra code is being generated for "m" constraints
and then submit a patch to fix it.

zw