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On Thu, Jul 11, 2019 at 10:21 PM Tim Northover <t.p.northover at gmail.com> wrote: > On Thu, 11 Jul 2019 at 17:16, Reshabh Sharma <reshabhsh at gmail.com> wrote: > > We thought LUI and ADDI pair will be good to store the values in a i32 > register. > > With you so far, I think. To be explicit, to materialize a full 64-bit > pointer you'd need 4 instructions: > > lui rLO32, addr:MO_LO32_LO > addi...

On Thu, Jul 11, 2019 at 10:42 PM Tim Northover <t.p.northover at gmail.com> wrote: > On Thu, 11 Jul 2019 at 18:03, Reshabh Sharma <reshabhsh at gmail.com> wrote: > > Ah now I could see it more clearly. I was not sure that should I add > them (MO_LO32_LO and MO_LO32_HI), btw this was backup plan. Probably for > now we are going with this. I implemented them today and they seem to work > well. > > By the way, I pro...

> > I don't think there's a real shortage of those, but I confess I'm not > sure why that's related. You'd need a representation for the LUI and > ADDI after instruction selection anyway. Yeah at the end we need a representation for LUI and ADDI. We were trying to break the 64 bit address from GlobalAddress node into two i32 register. We will add custom load/store

> > Hi Reshabh, and congratulations on being selected for GSoC. I haven't > looked at supporting larger than native-width pointers on a target > before. I'd thought that AVR might be relevant (given it uses 16-bit > pointers but has 8-bit GPRs). See the description here > <http://lists.llvm.org/pipermail/llvm-dev/2019-January/129089.html>. > Many thanks Alex,

Hello everyone, I wanted to attach a node without affecting the present nodes in any way. I tried to use MVT::Glue for that but I think I'm missing something as I could not achieve the below state. LUI LUI | | ADDI ----GLUE---- ADDI | store I've few question about this and Glue node in general, I'll be happy to get some help on