[PATCH] D152205: [Aarch64][SVE]SVE2] Enable tbl, tbl2 for shuffle lowering for fixed vector types.
Dinar Temirbulatov via Phabricator via llvm-commits
llvm-commits at lists.llvm.org
Fri Aug 18 07:15:49 PDT 2023
dtemirbulatov marked an inline comment as done.
dtemirbulatov added inline comments.
================
Comment at: llvm/lib/Target/AArch64/AArch64ISelLowering.cpp:25745-25749
+ // Filling up the remaining positions of the mask with 255 because for one
+ // byte per element and maximum possible 2048-bits register size this is the
+ // last range value.
+ else if (IsUndefOrZero && Offset >= NumElts)
+ Offset = 255;
----------------
sdesmalen wrote:
> What should happen if the vector type is `<256 x i8>` and IsUndefOrZero is `false` ?
I think
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https://reviews.llvm.org/D152205/new/
https://reviews.llvm.org/D152205
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