[PATCH] D88385: [TableGen][M68K] (Patch 1/8) Utilities for complex instruction addressing modes: CodeBeads and logical operand helper functions

Jessica Clarke via Phabricator via llvm-commits llvm-commits at lists.llvm.org
Wed Dec 30 12:51:59 PST 2020


jrtc27 added a comment.

I still don't understand what problem code beads are trying to solve that isn't already solved by existing backends like X86. Why can't you just assign operands to instruction encoding bits like a normal backend?


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