patch to fix constant math - second small patch -patch ping for next stage 1

Richard Biener richard.guenther@gmail.com
Wed Mar 27 14:18:00 GMT 2013


On Wed, Feb 27, 2013 at 1:27 AM, Kenneth Zadeck
<zadeck@naturalbridge.com> wrote:
> Here is the second of my wide int patches with the patch rot removed.
>
> I would like to get these pre approved for the next stage 1.
> On 10/05/2012 06:48 PM, Kenneth Zadeck wrote:
>>
>> This patch adds machinery to genmodes.c so that largest possible sizes of
>> various data structures can be determined at gcc build time. These functions
>> create 3 symbols that are available in insn-modes.h:
>> MAX_BITSIZE_MODE_INT - the bitsize of the largest int.
>> MAX_BITSIZE_MODE_PARTIAL_INT - the bitsize of the largest partial int.
>> MAX_BITSIZE_MODE_ANY_INT - the largest bitsize of any kind of int.

I remember we have discussed about the need to special-case/handle partial
integer modes.  Do further patches use the _INT and _PARTIAL_INT sizes
at all?  I'm fine with providing MAX_BITSIZE_MODE_ANY_INT.

Richard.



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