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RE: [avr-gcc-list] Clobber list isn't working

From: Eric Weddington
Subject: RE: [avr-gcc-list] Clobber list isn't working
Date: Thu, 26 Jul 2007 11:30:53 -0600

> -----Original Message-----
> From:
> address@hidden
> [mailto:address@hidden
> org] On Behalf Of Joerg Wunsch
> Sent: Wednesday, July 25, 2007 11:13 PM
> To: address@hidden
> Subject: Re: [avr-gcc-list] Clobber list isn't working
> Eric Weddington <address@hidden> wrote:
> > True, but you said yourself that it was an absurd test
> > case. Obviously a nop doesn't clobber any registers.
> But the compiler doesn't know that, because it cannot "look inside"
> the inline asm statement: it has to trust the developer that they
> specified the correct constraint.

Point! :-)


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