[llvm-dev] Wide load/store optimization question

陳韋任 via llvm-dev llvm-dev at lists.llvm.org
Fri Jun 16 14:43:45 PDT 2017

2017-06-17 4:36 GMT+08:00 upcfrost <upcfrost at gmail.com>:

> Hi,
> Same here, my backend only has 64bit load/store. But i still use 64bit
> virt regs and expand/declare missing instructions by myself.
> I'll try looking into sparc backend, thanks. Also, only after writing this
> post I found a bunch of built-in transforms. Still trying to understand how
> to use those.
> By the way, constraint-wise (alignment), is there any difference between
> virt regclass and regtuple?

​I guess no. ​Tom?

Wei-Ren Chen (陳韋任)
Homepage: https://people.cs.nctu.edu.tw/~chenwj
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