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SubjectRe: [RFT] Port 0x80 I/O speed
> "=A" works on 32-bit systems (only), obviously, and gcc will generally 
> produce slightly better code as a result (gcc could really use a
> register renaming/copy propagation step *after* multi-register entities

I believe gcc 4.3 (or maybe 4.2) does that already -- it splits them much
earlier.

-Andi


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