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SubjectRe: GCC proposal for "@" asm constraint
> I read the asm produced by some of some of my testcases.  The current spinlock
> implementation seems to do exactly the _right_ thing in practice and nothing
> more. "memory" was instead causing reloads of constant addresses into registers
> and stuff that shouldn't be necessary (I was infact wondering about the reason
> of those suprious loads also in my first email).

What version of gcc? Recently some work was done to improve the handling
of constant memory.

-- John
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