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

Kenneth Zadeck zadeck@naturalbridge.com
Wed Mar 27 14:23:00 GMT 2013


On 03/27/2013 10:18 AM, Richard Biener wrote:
> 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.
i do not believe that in the end, those two ended up getting used.    i 
can remove them if you want.

kenny
>
> Richard.



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