[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>:
> 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)
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