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2005-01-19 Fred Fish <fnf@specifixinc.com> 

* mips.h (struct mips_opcode): Add new pinfo2 member.
	(INSN_ALIAS): New define for opcode table entries that are
	specific instances of another entry, such as 'move' for an 'or'
	with a zero operand.
	(INSN_READ_MDMX_ACC): Redefine from 0 to 0x2.
	(INSN_WRITE_MDMX_ACC): Redefine from 0 to 0x4.
This commit is contained in:
Fred Fish 2005-01-19 23:29:12 +00:00
parent f693170ab3
commit 1a0b5b8e6c
2 changed files with 21 additions and 4 deletions
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9
include/opcode/ChangeLog
View File

@ -1,3 +1,12 @@
2005-01-19 Fred Fish <fnf@specifixinc.com>
* mips.h (struct mips_opcode): Add new pinfo2 member.
(INSN_ALIAS): New define for opcode table entries that are
specific instances of another entry, such as 'move' for an 'or'
with a zero operand.
(INSN_READ_MDMX_ACC): Redefine from 0 to 0x2.
(INSN_WRITE_MDMX_ACC): Redefine from 0 to 0x4.
2004-12-09 Ian Lance Taylor <ian@wasabisystems.com>
* mips.h (CPU_RM9000): Define.

16
include/opcode/mips.h
View File

@ -192,6 +192,8 @@ struct mips_opcode
of bits describing the instruction, notably any relevant hazard
information. */
unsigned long pinfo;
/* A collection of additional bits describing the instruction. */
unsigned long pinfo2;
/* A collection of bits describing the instruction sets of which this
instruction or macro is a member. */
unsigned long membership;
@ -376,10 +378,16 @@ struct mips_opcode
#define INSN_MULT 0x40000000
/* Instruction synchronize shared memory. */
#define INSN_SYNC 0x80000000
/* Instruction reads MDMX accumulator. XXX FIXME: No bits left! */
#define INSN_READ_MDMX_ACC 0
/* Instruction writes MDMX accumulator. XXX FIXME: No bits left! */
#define INSN_WRITE_MDMX_ACC 0
/* These are the bits which may be set in the pinfo2 field of an
instruction. */
/* Instruction is a simple alias (I.E. "move" for daddu/addu/or) */
#define INSN_ALIAS 0x00000001
/* Instruction reads MDMX accumulator. */
#define INSN_READ_MDMX_ACC 0x00000002
/* Instruction writes MDMX accumulator. */
#define INSN_WRITE_MDMX_ACC 0x00000004
/* Instruction is actually a macro. It should be ignored by the
disassembler, and requires special treatment by the assembler. */