[llvm-dev] Wide load/store optimization question

陳韋任 via llvm-dev llvm-dev at lists.llvm.org
Sat Jun 17 00:31:27 PDT 2017

> That question makes no sense.
> - Every virtual register has a register class assigned.
> - You can construct special register classes that represent register
> tuples so that when the allocator chooses an entry from that register class
> it really has choosen a tuple of machine registers (even though it looks
> like a single register with funny aliasing as far as llvm codegen is
> concerned).

​And we still have to lower load i64 to load v2i32, right?​

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