diff options
Diffstat (limited to 'include')
| -rw-r--r-- | include/opcode/txvu.h | 19 |
1 files changed, 10 insertions, 9 deletions
diff --git a/include/opcode/txvu.h b/include/opcode/txvu.h index c4924ba..4f7a6ed 100644 --- a/include/opcode/txvu.h +++ b/include/opcode/txvu.h @@ -22,8 +22,8 @@ Boston, MA 02111-1307, USA. */ /* Type to denote a TXVU instruction (at least a 32 bit unsigned int). */ typedef unsigned int TXVU_INSN; -/* Maximum number of operands an instruction can have. */ -#define TXVU_MAX_OPERANDS 8 +/* Maximum number of operands and syntax chars an instruction can have. */ +#define TXVU_MAX_OPERANDS 16 struct txvu_opcode { char *mnemonic; @@ -94,8 +94,8 @@ struct txvu_operand { /* This operand is a long immediate value. */ #define TXVU_OPERAND_LIMM 0x10 -/* This operand takes signed values. */ -#define TXVU_OPERAND_SIGNED 0x20 +/* This operand takes unsigned values (default is signed). */ +#define TXVU_OPERAND_UNSIGNED 0x20 /* This operand takes signed values, but also accepts a full positive range of values. That is, if bits is 16, it takes any value from @@ -191,12 +191,13 @@ struct txvu_operand { /* Given an operand entry, return the table index. */ #define TXVU_OPERAND_INDEX(op) ((op) - 128) -/* Positions and masks of various fields. */ +/* Positions, masks, and values of various fields used in multiple places + (the opcode table, the disassembler, GAS). */ #define TXVU_SHIFT_DEST 21 -#define TXVU_SHIFT_FTREG 16 -#define TXVU_SHIFT_FSREG 11 -#define TXVU_SHIFT_FDREG 6 -#define TXVU_MASK_VFREG 31 +#define TXVU_SHIFT_TREG 16 +#define TXVU_SHIFT_SREG 11 +#define TXVU_SHIFT_DREG 6 +#define TXVU_MASK_REG 31 #define TXVU_DEST_X 8 #define TXVU_DEST_Y 4 #define TXVU_DEST_Z 2 |