[PATCH] D25291: [AArch64] Optionally use the reciprocal estimation machinery

[Evandro Menezes via llvm-commits]

evandro created this revision.
evandro added reviewers: spatel, hfinkel.
evandro added subscribers: llvm-commits, n.bozhenov, echristo, jmolloy, t.p.northover.
evandro set the repository for this revision to rL LLVM.
Herald added subscribers: rengolin, aemerson.

This patch adds support for estimating the square root or its reciprocal and division or reciprocal using the combiner generic Newton series.


Repository:
  rL LLVM

https://reviews.llvm.org/D25291

Files:
  llvm/lib/Target/AArch64/AArch64.td
  llvm/lib/Target/AArch64/AArch64ISelLowering.cpp
  llvm/lib/Target/AArch64/AArch64ISelLowering.h
  llvm/lib/Target/AArch64/AArch64InstrInfo.td
  llvm/lib/Target/AArch64/AArch64Subtarget.h
  llvm/test/CodeGen/AArch64/recp-fastmath.ll
  llvm/test/CodeGen/AArch64/sqrt-fastmath.ll

-------------- next part --------------
A non-text attachment was scrubbed...
Name: D25291.73683.patch
Type: text/x-patch
Size: 19066 bytes
Desc: not available
URL: <http://lists.llvm.org/pipermail/llvm-commits/attachments/20161005/f5457a2b/attachment.bin>