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Subject: Re: gcc 4.1.1 poor optimization
From: Greg Smith <gsmith@nc.rr.com>
To: Ian Lance Taylor <iant@google.com>
Cc: gcc-help@gcc.gnu.org
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Date: Thu, 18 Jan 2007 04:26:00 -0000
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>         movl    %edx, 56(%esp)
>         movl    36(%ebp), %eax
>         andl    %edi, %eax
>         movl    %eax, 60(%esp)
>         movb    $4, 42(%ebp)
>         movl    56(%esp), %edi
>         testl   $3, %edi 

Oh, here's one I missed.  %edx is stored into 56(%esp) then %edi is
loaded from 56(%esp) for the testl but %edx is still unchanged.

Greg Smith