[PATCH][arm] build fix for gcc-6 -Werror=shift-negative-value

[Andreas Schwab]

Szabolcs Nagy <szabolcs.nagy@arm.com> writes:

> -		    /* Is ``imm'' a negative number?  */
> +		    /* Is ``imm'' a negative number?  Then sign-extend it.  */
>  		    if (imm & 0x40)
> -		      imm |= (-1 << 7);
> +		      imm |= ~0x7f;

                    imm = (imm ^ 0x40) - 0x40;

Andreas.

-- 
Andreas Schwab, SUSE Labs, schwab@suse.de
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