diff options
| -rw-r--r-- | include/opcode/ChangeLog | 5 | ||||
| -rw-r--r-- | include/opcode/mips.h | 13 |
2 files changed, 18 insertions, 0 deletions
diff --git a/include/opcode/ChangeLog b/include/opcode/ChangeLog index cdf578add..19fd1b398 100644 --- a/include/opcode/ChangeLog +++ b/include/opcode/ChangeLog @@ -1,3 +1,8 @@ +2013-08-19 Richard Sandiford <rdsandiford@googlemail.com> + + * mips.h (OP_OPTIONAL_REG): New mips_operand_type. + (mips_optional_operand_p): New function. + 2013-08-04 Jürgen Urban <JuergenUrban@gmx.de> Richard Sandiford <rdsandiford@googlemail.com> diff --git a/include/opcode/mips.h b/include/opcode/mips.h index ae6983b1d..6860fa794 100644 --- a/include/opcode/mips.h +++ b/include/opcode/mips.h @@ -346,6 +346,10 @@ enum mips_operand_type { /* Described by mips_reg_operand. */ OP_REG, + /* Like OP_REG, but can be omitted if the register is the same as the + previous operand. */ + OP_OPTIONAL_REG, + /* Described by mips_reg_pair_operand. */ OP_REG_PAIR, @@ -574,6 +578,15 @@ struct mips_pcrel_operand unsigned int flip_isa_bit : 1; }; +/* Return true if the assembly syntax allows OPERAND to be omitted. */ + +static inline bfd_boolean +mips_optional_operand_p (const struct mips_operand *operand) +{ + return (operand->type == OP_OPTIONAL_REG + || operand->type == OP_REPEAT_PREV_REG); +} + /* Return a version of INSN in which the field specified by OPERAND has value UVAL. */ |