[PATCH] D125506: [PowerPC] Implement XL compat __fnabs and __fnabss builtins.

[Amy Kwan via Phabricator via llvm-commits]

amyk created this revision.
amyk added reviewers: PowerPC, power-llvm-team, nemanjai, lei.
amyk added a project: LLVM.
Herald added subscribers: shchenz, hiraditya.
Herald added a project: All.
amyk requested review of this revision.
Herald added a project: clang.
Herald added a subscriber: cfe-commits.

This patch implements the following floating point negative absolute value
builtins that required for compatibility with the XL compiler:

  double __fnabs(double);
  float __fnabss(float);


Repository:
  rG LLVM Github Monorepo

https://reviews.llvm.org/D125506

Files:
  clang/include/clang/Basic/BuiltinsPPC.def
  clang/lib/Basic/Targets/PPC.cpp
  clang/test/CodeGen/PowerPC/builtins-ppc-xlcompat-fnabs.c
  llvm/include/llvm/IR/IntrinsicsPowerPC.td
  llvm/lib/Target/PowerPC/P10InstrResources.td
  llvm/lib/Target/PowerPC/P9InstrResources.td
  llvm/lib/Target/PowerPC/PPCBack2BackFusion.def
  llvm/lib/Target/PowerPC/PPCInstrInfo.td
  llvm/lib/Target/PowerPC/PPCInstrVSX.td
  llvm/test/CodeGen/PowerPC/builtins-ppc-xlcompat-fnabs.ll

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