[PATCH] D54685: [AArch64] Allow -mattr=use_el[1|2|3] and -mattr=use_sp_for_tp

[Ryan Klugman via Phabricator via llvm-commits]

ryank created this revision.
ryank added reviewers: t.p.northover, phosek, mcrosier.
Herald added subscribers: llvm-commits, kristof.beyls, javed.absar.

Added subtarget features for AArch64 to generate access to ELn registers and enable the use TPIDR_EL[1|2|3] or SP_EL[1|2] for TLS.


Repository:
  rL LLVM

https://reviews.llvm.org/D54685

Files:
  lib/Target/AArch64/AArch64.td
  lib/Target/AArch64/AArch64ExpandPseudoInsts.cpp
  lib/Target/AArch64/AArch64Subtarget.h
  test/CodeGen/AArch64/arm64-builtins-linux.ll

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