PR11867, bignum operations

Richard Sandiford rdsandiford@googlemail.com
Mon Aug 2 21:38:00 GMT 2010


"H.J. Lu" <hjl.tools@gmail.com> writes:
> On Mon, Aug 2, 2010 at 6:18 AM, Alan Modra <amodra@gmail.com> wrote:
>> gas only supports the unary '-', '~', and '!' operators for bignums,
>> and all three were broken.  '!' gave the logical inverse of the proper
>> result, and the other two ignored any leading zeros.
>>
>>        PR gas/11867
>>        * expr.c (operand <'-' and '~'>): Widen bignums.
>>        (operand <'!'>): Correct bignum result and convert to O_constant.
>>        * read.c (emit_expr): Don't assert on .byte bignum.  Don't display
>>        bignum truncated warning for sign extended bignums.
>>
>
> I checked in this testcase.

> +Contents of section .data:
> + 0000 00000000 fa448607 00000000 fdffffff  .....D..........

Doesn't this need a big-endian alternative?

Richard



More information about the Binutils mailing list