[PATCH] D117795: [AArch64] Fixes for strict FP vector instructions

John Brawn via Phabricator via llvm-commits llvm-commits at lists.llvm.org
Thu Jan 20 08:48:22 PST 2022


john.brawn created this revision.
john.brawn added reviewers: kpn, cameron.mcinally, dmgreen, t.p.northover.
Herald added subscribers: hiraditya, kristof.beyls.
john.brawn requested review of this revision.
Herald added projects: clang, LLVM.
Herald added a subscriber: cfe-commits.

Fix several things so that vector instructions work correctly with strict FP:

- In clang generate fcmps when appropriate for neon intrinsics
- Fix legalization of scalarized strict FP vector operations
- Add some missing strict FP handling to AArch64TargetLowering
- Adjust the aarch64-neon-intrinsics-constrained.c clang test to expect the right output and un-XFAIL it.


Repository:
  rG LLVM Github Monorepo

https://reviews.llvm.org/D117795

Files:
  clang/lib/CodeGen/CGBuiltin.cpp
  clang/test/CodeGen/aarch64-neon-intrinsics-constrained.c
  llvm/lib/CodeGen/SelectionDAG/LegalizeVectorTypes.cpp
  llvm/lib/Target/AArch64/AArch64ISelLowering.cpp

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