Displaying 2 results from an estimated 2 matches for "multov".
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2008 Dec 09
0
[LLVMdev] [PATH] Add sub.ovf/mul.ovf intrinsics
On Tue, Dec 9, 2008 at 6:11 AM, Zoltan Varga <vargaz at gmail.com> wrote:
>> It would be better to implement a target-independent check for
>> overflow for the "Legal" case (like how SADDO does). Hacker's > Delight
>> has some hints on how to do this. It's not easy for the signed case,
>> but is do-able.
>
> It can be lowered to a division +
2008 Dec 09
4
[LLVMdev] [PATH] Add sub.ovf/mul.ovf intrinsics
Hi,
Here is the next iteration of the patch. The only comment not
addressed is this one:
> It would be better to implement a target-independent check for
> overflow for the "Legal" case (like how SADDO does). Hacker's > Delight
> has some hints on how to do this. It's not easy for the signed case,
> but is do-able.
It can be lowered to a division + a branch,