[PATCH] D81339: [ARM] MVE VCVT lowering for f16->f32 extends
Dave Green via Phabricator via llvm-commits
llvm-commits at lists.llvm.org
Sun Jun 7 04:13:10 PDT 2020
dmgreen created this revision.
dmgreen added reviewers: efriedma, samparker, SjoerdMeijer, simon_tatham, ostannard.
Herald added subscribers: danielkiss, hiraditya, kristof.beyls.
Herald added a project: LLVM.
This adds code to lower f16 to f32 fp_exts's using an MVE VCVT instructions, similar to D81139 <https://reviews.llvm.org/D81139>. Again it goes through the lowering of a BUILD_VECTOR, but is slightly simpler only having to deal with interleaved indices. It adds a VCVTL node to lower to, similar to VCVTN.
https://reviews.llvm.org/D81339
Files:
llvm/lib/Target/ARM/ARMISelLowering.cpp
llvm/lib/Target/ARM/ARMISelLowering.h
llvm/lib/Target/ARM/ARMInstrMVE.td
llvm/test/CodeGen/Thumb2/mve-fp16convertloops.ll
llvm/test/CodeGen/Thumb2/mve-shuffleext.ll
llvm/test/CodeGen/Thumb2/mve-vcvt16.ll
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