[PATCH] RISC-V: Use `xlen' on ADDIW address sequence

[Tsukasa OI]

This patch is postponed because I will merge this into a larger patchset
with general core disassembler improvements.

Thanks,
Tsukasa

On 2022/07/13 12:51, Tsukasa OI wrote:
> Because XLEN for the disassembler is computed and stored in the `xlen'
> variable, this commit replaces uses of `info->mach' with `xlen'
> (testing for ADDIW / C.ADDIW address sequence).
> 
> opcodes/ChangeLog:
> 
> 	* riscv-dis.c (print_insn_args): Use `xlen' to determine whether
> 	XLEN is larger than 32.
> ---
>  opcodes/riscv-dis.c | 4 ++--
>  1 file changed, 2 insertions(+), 2 deletions(-)
> 
> diff --git a/opcodes/riscv-dis.c b/opcodes/riscv-dis.c
> index 164fd209dbd..3f69756606e 100644
> --- a/opcodes/riscv-dis.c
> +++ b/opcodes/riscv-dis.c
> @@ -235,7 +235,7 @@ print_insn_args (const char *oparg, insn_t l, bfd_vma pc, disassemble_info *info
>  	    case 'j':
>  	      if (((l & MASK_C_ADDI) == MATCH_C_ADDI) && rd != 0)
>  		maybe_print_address (pd, rd, EXTRACT_CITYPE_IMM (l), 0);
> -	      if (info->mach == bfd_mach_riscv64
> +	      if (xlen > 32
>  		  && ((l & MASK_C_ADDIW) == MATCH_C_ADDIW) && rd != 0)
>  		maybe_print_address (pd, rd, EXTRACT_CITYPE_IMM (l), 1);
>  	      print (info->stream, dis_style_immediate, "%d",
> @@ -433,7 +433,7 @@ print_insn_args (const char *oparg, insn_t l, bfd_vma pc, disassemble_info *info
>  	  if (((l & MASK_ADDI) == MATCH_ADDI && rs1 != 0)
>  	      || (l & MASK_JALR) == MATCH_JALR)
>  	    maybe_print_address (pd, rs1, EXTRACT_ITYPE_IMM (l), 0);
> -	  if (info->mach == bfd_mach_riscv64
> +	  if (xlen > 32
>  	      && ((l & MASK_ADDIW) == MATCH_ADDIW) && rs1 != 0)
>  	    maybe_print_address (pd, rs1, EXTRACT_ITYPE_IMM (l), 1);
>  	  print (info->stream, dis_style_immediate, "%d",
> 
> base-commit: dd4c046506cd4da46b439a2b4f8b6d933ecbb961