[all-commits] [llvm/llvm-project] 2a086d: [RISCV][MC] Add support for hardcode encoding of ....

[Yingwei Zheng via All-commits]

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: 2a086dce691e3cc34a2fc27f4fb255bb2cbbfac9
      https://github.com/llvm/llvm-project/commit/2a086dce691e3cc34a2fc27f4fb255bb2cbbfac9
  Author: Yingwei Zheng <dtcxzyw2333 at gmail.com>
  Date:   2024-07-10 (Wed, 10 Jul 2024)

  Changed paths:
    M llvm/lib/Target/RISCV/AsmParser/RISCVAsmParser.cpp
    M llvm/lib/Target/RISCV/MCTargetDesc/RISCVBaseInfo.h
    M llvm/lib/Target/RISCV/RISCVInstrInfo.td
    M llvm/lib/Target/RISCV/RISCVInstrInfoC.td
    M llvm/test/MC/RISCV/insn-invalid.s
    M llvm/test/MC/RISCV/insn.s
    M llvm/test/MC/RISCV/insn_c-invalid.s
    M llvm/test/MC/RISCV/insn_c.s

  Log Message:
  -----------
  [RISCV][MC] Add support for hardcode encoding of .insn directive (#98030)

This patch adds support for the following two hardcode encodings of
.insn directive:
```
.insn <insn-length>, <value>
.insn <value>
```

See also gas's patch
https://github.com/bminor/binutils-gdb/commit/a262b82fdbf4cda3b0648b1adc32245ca3f78b7a
NOTE: This patch doesn't support long instructions. 

Closes https://github.com/llvm/llvm-project/issues/97498.



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