[all-commits] [llvm/llvm-project] 2f1261: [RISCV][RVV] Add Uses = [FRM] and mayRaiseFPExcept...

[ShihPo Hung via All-commits]

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: 2f1261abe4b704781ed1504065072d34d506f984
      https://github.com/llvm/llvm-project/commit/2f1261abe4b704781ed1504065072d34d506f984
  Author: ShihPo Hung <shihpo.hung at sifive.com>
  Date:   2022-03-31 (Thu, 31 Mar 2022)

  Changed paths:
    M llvm/lib/Target/RISCV/RISCVInstrInfoV.td
    M llvm/lib/Target/RISCV/RISCVInstrInfoVPseudos.td

  Log Message:
  -----------
  [RISCV][RVV] Add Uses = [FRM] and mayRaiseFPException = true to RVV instructions

This patch adds Uses = [FRM] and mayRaiseFPException = true to following
instructions:

VFADD, VFSUB, VFRSUB, VFMUL, VFDIV, VFRDIV
VFWADD, VFWSUB, VFWMUL
VFMADD, VFMACC, VFMSAC, VFMSUB
VFNMADD, VFNMACC, VFNMSAC, VVFNMSUB
VFWMACC, VFWMSAC,
VFWNMACC, VFWNMSAC
VFSQRT, VFREC7
VFREDOSUM, VFREDUSUM,
VFWREDOSUM, VFWREDUSUM
and only adds mayRaiseFPException = true to following instructions:

VFRSQRT7,
VFMIN, VFMAX, VFREDMIN, VFREDMAX
VMFEQ, VMFNE, VMFLT,VMFLE, VMFGT, VMFGE

Reviewed By: rogfer01

Differential Revision: https://reviews.llvm.org/D121087