[PATCH] D68675: [9.0 branch][ARM] VFPv2 only supports 16 D registers.

[Eli Friedman via Phabricator via llvm-commits]

efriedma created this revision.
efriedma added reviewers: t.p.northover, tstellar.
Herald added subscribers: kristina, hiraditya, kristof.beyls.
Herald added a project: LLVM.

Patch for 9.0.1.

Simplified version of r372186/r372187: fix the meaning of the "vfpv2" and "vfpv2sp" features, but keep around the useless "vfp2d16" and "vfp2d16sp" features, to reduce the risk on the release branch.

Fixes https://bugs.llvm.org/show_bug.cgi?id=43365


Repository:
  rL LLVM

https://reviews.llvm.org/D68675

Files:
  clang/test/CodeGen/arm-target-features.c
  llvm/lib/Support/ARMTargetParser.cpp
  llvm/lib/Target/ARM/ARM.td
  llvm/test/MC/ARM/vfp-aliases-diagnostics.s

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