[PATCH] D80769: [WebAssembly] Adding 64-bit versions of all load & store ops.
Heejin Ahn via Phabricator via llvm-commits
llvm-commits at lists.llvm.org
Sat Jun 13 09:38:29 PDT 2020
aheejin added inline comments.
================
Comment at: llvm/lib/Target/WebAssembly/WebAssemblyInstrMemory.td:371
"memory.size\t$dst, $flags", "memory.size\t$flags",
- 0x3f>,
- Requires<[HasAddr32]>;
+ 0x3f>;
----------------
tlively wrote:
> dschuff wrote:
> > Question for the tblgen experts maybe, if a def has both an instruction definition and a pattern as this one does, does the `Requires` field actually apply to the pattern? Or does `Requires` only work for freestanding patterns?
> I would have thought that `Requires` should apply to both kinds of patterns. In particular, inheriting it just sets the `Predicates` field in both `Instruction` and `Pattern`. But I read @aheejin's comment above to mean that this doesn't work after all, so perhaps I am wrong.
Yes not sure if it's an intended behavior or a bug of TableGen, but what I observed is predicates only work on patterns and not on definitions. Actually @dschuff confirmed that to me when I was confused and asked him :)
CHANGES SINCE LAST ACTION
https://reviews.llvm.org/D80769/new/
https://reviews.llvm.org/D80769
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