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[RISCV] Support .option rvc and norvc assembler directives
authorAlex Bradbury <asb@lowrisc.org>
Fri, 11 May 2018 17:30:28 +0000 (17:30 +0000)
committerAlex Bradbury <asb@lowrisc.org>
Fri, 11 May 2018 17:30:28 +0000 (17:30 +0000)
commit0d102410ca83b11f90d4835d5cb1380d2d8818e7
tree2a3c6f33e30b74ee3de0ce886a1d843b84d62fcf
parentd2bdcd6f8aeb29245a9771871ba26e5a02887c13
[RISCV] Support .option rvc and norvc assembler directives

These directives allow the 'C' (compressed) extension to be enabled/disabled
within a single file.

Differential Revision: https://reviews.llvm.org/D45864
Patch by Kito Cheng

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@332107 91177308-0d34-0410-b5e6-96231b3b80d8
lib/Target/RISCV/AsmParser/RISCVAsmParser.cpp
lib/Target/RISCV/MCTargetDesc/RISCVELFStreamer.cpp
lib/Target/RISCV/MCTargetDesc/RISCVELFStreamer.h
lib/Target/RISCV/MCTargetDesc/RISCVMCTargetDesc.cpp
lib/Target/RISCV/MCTargetDesc/RISCVTargetStreamer.cpp
lib/Target/RISCV/MCTargetDesc/RISCVTargetStreamer.h
test/CodeGen/RISCV/option-norvc.ll [new file with mode: 0644]
test/CodeGen/RISCV/option-rvc.ll [new file with mode: 0644]
test/MC/RISCV/option-invalid.s [new file with mode: 0644]
test/MC/RISCV/option-rvc.s [new file with mode: 0644]