[PATCH] D103313: [RISCV][Clang] Implement support for zmmul-experimental

[ksyx via Phabricator via cfe-commits]

ksyx created this revision.
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This patch implements recently merged extension Zmmul <https://github.com/riscv/riscv-isa-manual/pull/648>, a subextension of M (Integer Multiplication and Division) consisting only multiplication part of it.


Repository:
  rG LLVM Github Monorepo

https://reviews.llvm.org/D103313

Files:
  clang/lib/Basic/Targets/RISCV.cpp
  clang/lib/Basic/Targets/RISCV.h
  clang/lib/Driver/ToolChains/Arch/RISCV.cpp
  llvm/lib/Target/RISCV/RISCV.td
  llvm/lib/Target/RISCV/RISCVISelLowering.cpp
  llvm/lib/Target/RISCV/RISCVInstrInfoM.td
  llvm/lib/Target/RISCV/RISCVSubtarget.h
  llvm/test/CodeGen/RISCV/zmmul.ll
  llvm/test/MC/RISCV/rv32i-invalid.s
  llvm/test/MC/RISCV/rv32zmmul-invaild.s
  llvm/test/MC/RISCV/rv32zmmul-valid.s
  llvm/test/MC/RISCV/rv64zmmul-invalid.s
  llvm/test/MC/RISCV/rv64zmmul-valid.s

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