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Re: [coldfire-gnu-discuss] Toolchain, asm parameters numbering and optimisation flags


  • To: fred@xxxxxxxxxxxx
  • Subject: Re: [coldfire-gnu-discuss] Toolchain, asm parameters numbering and optimisation flags
  • From: Daniel Jacobowitz <dan@xxxxxxxxxxxxxxxx>
  • Date: Tue, 5 Dec 2006 18:14:39 -0500

On Wed, Dec 06, 2006 at 12:14:57AM +0100, fred@xxxxxxxxxxxx wrote:
> for example :
> C source :
> move.l (%[X])+, %[tmp1];
> move.l (%[Y])+, %[tmp2];

What are the constraints for tmp1 and tmp2?

> I really don't understand why it nicelly works with -O0 and not
> with -O2.

You're probably just getting luckier at -O0.

-- 
Daniel Jacobowitz
CodeSourcery