[PATCH] D54302: [RISCV] Define and use the new CA instruction format

[Luís Marques via Phabricator via llvm-commits]

luismarques created this revision.
luismarques added a reviewer: asb.
Herald added subscribers: llvm-commits, jocewei, PkmX, rkruppe, the_o, brucehoult, MartinMosbeck, rogfer01, mgrang, edward-jones, zzheng, jrtc27, shiva0217, kito-cheng, niosHD, sabuasal, apazos, simoncook, johnrusso, rbar.

The RISC-V ISA manual was updated on 2018-11-07 (commit 00557c3) to define a new compressed instruction format, RVC format CA (no actual instruction encodings were changed). This patch updates the RISC-V backend to define the new format, and to use it in the relevant instructions.


Repository:
  rL LLVM

https://reviews.llvm.org/D54302

Files:
  lib/Target/RISCV/RISCVInstrFormats.td
  lib/Target/RISCV/RISCVInstrFormatsC.td
  lib/Target/RISCV/RISCVInstrInfoC.td
  lib/Target/RISCV/Utils/RISCVBaseInfo.h

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