[AArch64] Add support for the SPE-EEF feature
authorLucas Prates <lucas.prates@arm.com>
Fri, 20 Nov 2020 16:07:26 +0000 (16:07 +0000)
committerLucas Prates <lucas.prates@arm.com>
Fri, 18 Dec 2020 11:11:56 +0000 (11:11 +0000)
commit51fe17b0471a2b0a27ce038426e6b996218061a2
treec84b453789b590ca2d6a979ff65383b453a049a6
parentda21f7ec146e7e46a1622253f1cce8af3b290e23
[AArch64] Add support for the SPE-EEF feature

This is an addition to the existing Statistical Profiling extension, which
introduces an extra system register that is enabled by the new 'spe-eef'
subtarget feature.

Patch written by Simon Tatham.

Reviewed By: ostannard

Differential Revision: https://reviews.llvm.org/D92391
llvm/lib/Target/AArch64/AArch64.td
llvm/lib/Target/AArch64/AArch64InstrInfo.td
llvm/lib/Target/AArch64/AArch64Subtarget.h
llvm/lib/Target/AArch64/AArch64SystemOperands.td
llvm/test/MC/AArch64/spe.s [new file with mode: 0644]