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Re: [bug #23996] arithmetic overflow when using -used
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From: |
James Youngman |
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Subject: |
Re: [bug #23996] arithmetic overflow when using -used |
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Date: |
Mon, 1 Sep 2008 02:11:07 +0100 |
On Sun, Aug 24, 2008 at 12:01 AM, Andreas Schwab <address@hidden> wrote:
> A good compiler (like gcc 4.3) will optimize this to 0, effectively
> removing the overflow check. Checking for overflow after the fact is
> not possible in C.
I'd welcome an alternative patch for the subtraction operation.
James.
- [bug #23996] arithmetic overflow when using -used, anonymous, 2008/08/04
- [bug #23996] arithmetic overflow when using -used, James Youngman, 2008/08/04
- [bug #23996] arithmetic overflow when using -used, Andreas Schwab, 2008/08/08
- [bug #23996] arithmetic overflow when using -used, James Youngman, 2008/08/23
- [bug #23996] arithmetic overflow when using -used, James Youngman, 2008/08/23
- Re: [bug #23996] arithmetic overflow when using -used, Andreas Schwab, 2008/08/23
- Re: [bug #23996] arithmetic overflow when using -used, James Youngman, 2008/08/23
- Re: [bug #23996] arithmetic overflow when using -used, Andreas Schwab, 2008/08/24
- Re: [bug #23996] arithmetic overflow when using -used, James Youngman, 2008/08/24
- Re: [bug #23996] arithmetic overflow when using -used, Andreas Schwab, 2008/08/24
- Re: [bug #23996] arithmetic overflow when using -used,
James Youngman <=