Re: -freg-struct-return?

From: Jeremy Fitzhardinge
Date: Thu Feb 22 2007 - 12:39:24 EST

H. Peter Anvin wrote:
> Sometimes returning small structures is really nice. If you can pass
> them in registers, it's often generates the fastest possible code;
> much better than using a pointer.

Yes, but specifically, are there any pieces of assembler which return
structures? It appears there are none (since Ingo got a booting
kernel), but there might be something obscure in some corner.

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