Re: [Qemu-devel] [PATCH] disas/microblaze: Remove unused code

["Edgar E. Iglesias" <edgar.iglesias@gmail.com>]

On Sat, Aug 29, 2015 at 09:44:33AM +0200, Stefan Weil wrote:
> Signed-off-by: Stefan Weil <sw@weilnetz.de>

Reviewed-by: Edgar E. Iglesias <edgar.iglesias@xilinx.com>


> ---
>  disas/microblaze.c | 150 -----------------------------------------------------
>  1 file changed, 150 deletions(-)
> 
> diff --git a/disas/microblaze.c b/disas/microblaze.c
> index c14ab89..3588235 100644
> --- a/disas/microblaze.c
> +++ b/disas/microblaze.c
> @@ -604,25 +604,6 @@ char * get_field_special (long instr, struct op_code_struct * op);
>  unsigned long read_insn_microblaze (bfd_vma memaddr, 
>  		      struct disassemble_info *info,
>  		      struct op_code_struct **opr);
> -enum microblaze_instr get_insn_microblaze (long inst,
> -  		     bfd_boolean *isunsignedimm,
> -  		     enum microblaze_instr_type *insn_type,
> -  		     short *delay_slots);
> -short get_delay_slots_microblaze (long inst);
> -enum microblaze_instr microblaze_decode_insn (long insn,
> -		        int *rd, 
> -			int *ra, 
> -			int *rb, 
> -			int *imm);
> -unsigned long
> -microblaze_get_target_address (long inst,
> -			       bfd_boolean immfound,
> -			       int immval,
> -			       long pcval,
> -			       long r1val,
> -			       long r2val,
> -			       bfd_boolean *targetvalid,
> -			       bfd_boolean *unconditionalbranch);
>  
>  static char *
>  get_field (long instr, long mask, unsigned short low)
> @@ -968,134 +949,3 @@ print_insn_microblaze (bfd_vma memaddr, struct disassemble_info * info)
>    /* Say how many bytes we consumed? */
>    return 4;
>  }
> -
> -enum microblaze_instr
> -get_insn_microblaze (long inst,
> -  		     bfd_boolean *isunsignedimm,
> -  		     enum microblaze_instr_type *insn_type,
> -  		     short *delay_slots)
> -{
> -  struct op_code_struct * op;
> -  *isunsignedimm = FALSE;
> -
> -  /* Just a linear search of the table.  */
> -  for (op = opcodes; op->name != 0; op ++)
> -    if (op->bit_sequence == (inst & op->opcode_mask))
> -      break;
> -
> -  if (op->name == 0)
> -    return invalid_inst;
> -  else {
> -    *isunsignedimm = (op->inst_type == INST_TYPE_RD_R1_UNSIGNED_IMM);
> -    *insn_type = op->instr_type;
> -    *delay_slots = op->delay_slots;
> -    return op->instr;
> -  }
> -}
> -
> -short
> -get_delay_slots_microblaze (long inst)
> -{
> -  bfd_boolean isunsignedimm;
> -  enum microblaze_instr_type insn_type;
> -  enum microblaze_instr op;
> -  short delay_slots;
> -
> -  op = get_insn_microblaze( inst, &isunsignedimm, &insn_type, &delay_slots);
> -  if (op == invalid_inst)
> -    return 0;
> -  else 
> -    return delay_slots;
> -}
> -
> -enum microblaze_instr
> -microblaze_decode_insn (long insn,
> -		        int *rd, 
> -			int *ra, 
> -			int *rb, 
> -			int *imm)
> -{
> -  enum microblaze_instr op;
> -  bfd_boolean t1;
> -  enum microblaze_instr_type t2;
> -  short t3;
> -
> -  op = get_insn_microblaze(insn, &t1, &t2, &t3);
> -  *rd = (insn & RD_MASK) >> RD_LOW;
> -  *ra = (insn & RA_MASK) >> RA_LOW;
> -  *rb = (insn & RB_MASK) >> RB_LOW;
> -  t3 = (insn & IMM_MASK) >> IMM_LOW;
> -  *imm = (int) t3;
> -  return (op);
> -}
> -
> -unsigned long
> -microblaze_get_target_address (long inst,
> -			       bfd_boolean immfound,
> -			       int immval,
> -			       long pcval,
> -			       long r1val,
> -			       long r2val,
> -			       bfd_boolean *targetvalid,
> -			       bfd_boolean *unconditionalbranch)
> -{
> -  struct op_code_struct * op;
> -  long targetaddr = 0;
> -
> -  *unconditionalbranch = FALSE;
> -  /* Just a linear search of the table.  */
> -  for (op = opcodes; op->name != 0; op ++)
> -    if (op->bit_sequence == (inst & op->opcode_mask))
> -      break;
> -
> -  if (op->name == 0) {
> -    *targetvalid = FALSE;
> -  } else if (op->instr_type == branch_inst) {
> -    switch (op->inst_type) {
> -    case INST_TYPE_R2:
> -      *unconditionalbranch = TRUE;
> -      /* fallthru */
> -    case INST_TYPE_RD_R2:
> -    case INST_TYPE_R1_R2:
> -      targetaddr = r2val;
> -      *targetvalid = TRUE;
> -      if (op->inst_offset_type == INST_PC_OFFSET)
> -	targetaddr += pcval;
> -      break;
> -    case INST_TYPE_IMM:
> -      *unconditionalbranch = TRUE;
> -      /* fallthru */
> -    case INST_TYPE_RD_IMM:
> -    case INST_TYPE_R1_IMM:
> -      if (immfound) {
> -	targetaddr = (immval << 16) & 0xffff0000;
> -	targetaddr |= (get_int_field_imm(inst) & 0x0000ffff);
> -      } else {
> -	targetaddr = get_int_field_imm(inst);
> -	if (targetaddr & 0x8000)
> -	  targetaddr |= 0xFFFF0000;
> -      }
> -      if (op->inst_offset_type == INST_PC_OFFSET)
> -	targetaddr += pcval;
> -      *targetvalid = TRUE;
> -      break;
> -    default:
> -      *targetvalid = FALSE;
> -      break;
> -    }
> -  } else if (op->instr_type == return_inst) {
> -      if (immfound) {
> -	targetaddr = (immval << 16) & 0xffff0000;
> -	targetaddr |= (get_int_field_imm(inst) & 0x0000ffff);
> -      } else {
> -	targetaddr = get_int_field_imm(inst);
> -	if (targetaddr & 0x8000)
> -	  targetaddr |= 0xFFFF0000;
> -      }
> -      targetaddr += r1val;
> -      *targetvalid = TRUE;
> -  } else {
> -    *targetvalid = FALSE;
> -  }
> -  return targetaddr;
> -}
> -- 
> 2.1.4
>