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Subject: Re: Simple quad-opteron test

Author: Gerd Isenberg

Date: 10:48:31 12/04/03

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>Can you already inspect the generated code? Does int (32-bit)-functions use
>"ret eax" or the one byte prefixed "ret rax"?

The is only ret instruction.
The question was intended how the caller use the register result of an 32-bit
int function, eax or already sign extended rax?

>I guess, after the bsr/bsf,
>shorter 32-bit instructions are fine, specially if unsigned (due to the signed
>int index penalty).



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