svn commit: r288099 - head/contrib/binutils/opcodes
Slawa Olhovchenkov
slw at zxy.spb.ru
Tue Sep 22 09:43:05 UTC 2015
On Tue, Sep 22, 2015 at 09:35:35AM +0000, Dimitry Andric wrote:
> Author: dim
> Date: Tue Sep 22 09:35:35 2015
> New Revision: 288099
> URL: https://svnweb.freebsd.org/changeset/base/288099
>
> Log:
> In binutils' arm-dis.c, avoid left-shifting a negative number.
>
> Submitted by: dan.mcgregor_usask.ca (Dan McGregor)
> MFC after: 3 days
> Differential Revision: https://reviews.freebsd.org/D3376
>
> Modified:
> head/contrib/binutils/opcodes/arm-dis.c
>
> Modified: head/contrib/binutils/opcodes/arm-dis.c
> ==============================================================================
> --- head/contrib/binutils/opcodes/arm-dis.c Tue Sep 22 07:40:55 2015 (r288098)
> +++ head/contrib/binutils/opcodes/arm-dis.c Tue Sep 22 09:35:35 2015 (r288099)
> @@ -1767,7 +1767,7 @@ print_insn_coprocessor (bfd_vma pc, stru
>
> /* Is ``imm'' a negative number? */
> if (imm & 0x40)
> - imm |= (-1 << 7);
> + imm |= -(1 << 7);
May be (~0 << 7) is more simple to understund?
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