[PATCH] D43353: [X86] Add phony registers for high halves of E[A-D]X, E[SD]I, E[BS]P and EIP

Craig Topper via Phabricator via llvm-commits llvm-commits at lists.llvm.org
Sat Jun 30 13:12:50 PDT 2018

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craig.topper added a comment.

Sorry for the archaelogy here.

Why don't we need artificial registers covering bits 31:16 of https://reviews.llvm.org/source/libcxx/-R15? Or 15:8 of RBP/RSP/RSI/RDI/https://reviews.llvm.org/source/libcxx/-R15?


Repository:
  rL LLVM

https://reviews.llvm.org/D43353

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