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include/opcode/

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* mips.h (OP_OPTIONAL_REG): New mips_operand_type.
	(mips_optional_operand_p): New function.

opcodes/
	* mips-formats.h (OPTIONAL_REG, OPTIONAL_MAPPED_REG): New macros.
	* micromips-opc.c (decode_micromips_operand): Use OPTIONAL_REG
	and OPTIONAL_MAPPED_REG.
	* mips-opc.c (decode_mips_operand): Likewise.
	* mips16-opc.c (decode_mips16_operand): Likewise.
	* mips-dis.c (print_insn_arg): Handle OP_OPTIONAL_REG.

gas/
	* config/tc-mips.c (operand_reg_mask, match_operand): Handle
	OP_OPTIONAL_REG.
	(mips_ip, mips16_ip): Use mips_optional_operand_p to check
	for optional operands.
This commit is contained in:
Richard Sandiford 2013-08-19 18:56:59 +00:00
parent 651133f28d
commit 68eccfb465
2 changed files with 18 additions and 0 deletions
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5
include/opcode/ChangeLog
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@ -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> 2013-08-04 Jürgen Urban <JuergenUrban@gmx.de>
Richard Sandiford <rdsandiford@googlemail.com> Richard Sandiford <rdsandiford@googlemail.com>

13
include/opcode/mips.h
View File

@ -346,6 +346,10 @@ enum mips_operand_type {
/* Described by mips_reg_operand. */ /* Described by mips_reg_operand. */
OP_REG, 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. */ /* Described by mips_reg_pair_operand. */
OP_REG_PAIR, OP_REG_PAIR,
@ -574,6 +578,15 @@ struct mips_pcrel_operand
unsigned int flip_isa_bit : 1; 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 /* Return a version of INSN in which the field specified by OPERAND
has value UVAL. */ has value UVAL. */