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| author | Nick Clifton <nickc@redhat.com> | 1997-08-22 17:36:15 +0000 |
|---|---|---|
| committer | Nick Clifton <nickc@redhat.com> | 1997-08-22 17:36:15 +0000 |
| commit | b9792954bbfee0edca34f6dab1ed0a5af8347e63 (patch) | |
| tree | d6007ac2b7fb80c4447d7ffc5809dac47467ba6b | |
| parent | d87a1542821ef7fe70da4ad1331c628c75836c4e (diff) | |
| download | gdb-b9792954bbfee0edca34f6dab1ed0a5af8347e63.zip gdb-b9792954bbfee0edca34f6dab1ed0a5af8347e63.tar.gz gdb-b9792954bbfee0edca34f6dab1ed0a5af8347e63.tar.bz2 | |
Added new flag: V850_NOT_R0 to indicate that r0 is not a valid register for
this operand.
| -rw-r--r-- | include/opcode/ChangeLog | 8 | ||||
| -rw-r--r-- | include/opcode/v850.h | 35 |
2 files changed, 35 insertions, 8 deletions
diff --git a/include/opcode/ChangeLog b/include/opcode/ChangeLog index 327e56f..be09a38 100644 --- a/include/opcode/ChangeLog +++ b/include/opcode/ChangeLog @@ -1,3 +1,11 @@ +Fri Aug 22 10:38:29 1997 Nick Clifton <nickc@cygnus.com> + + * v850.h (V850_NOT_R0): New flag. + +Mon Aug 18 11:05:58 1997 Nick Clifton <nickc@cygnus.com> + + * v850.h (struct v850_opcode): Remove flags field. + start-sanitize-v850 Wed Aug 13 18:45:48 1997 Nick Clifton <nickc@cygnus.com> diff --git a/include/opcode/v850.h b/include/opcode/v850.h index e7965c2..58e7450 100644 --- a/include/opcode/v850.h +++ b/include/opcode/v850.h @@ -59,9 +59,11 @@ extern const int v850_num_opcodes; struct v850_operand { /* The number of bits in the operand. */ + /* If this value is -1 then the operand's bits are in a discontinous distribution in the instruction. */ int bits; - /* How far the operand is left shifted in the instruction. */ + /* (bits >= 0): How far the operand is left shifted in the instruction. */ + /* (bits == -1): Bit mask of the bits in the operand. */ int shift; /* Insertion function. This is used by the assembler. To insert an @@ -80,17 +82,16 @@ struct v850_operand string (the operand will be inserted in any case). If the operand value is legal, *ERRMSG will be unchanged (most operands can accept any value). */ - unsigned long (*insert) PARAMS ((unsigned long instruction, long op, - const char **errmsg)); + unsigned long (* insert) PARAMS ((unsigned long instruction, long op, + const char ** errmsg)); /* Extraction function. This is used by the disassembler. To extract this operand type from an instruction, check this field. If it is NULL, compute - op = ((i) >> o->shift) & ((1 << o->bits) - 1); - if ((o->flags & PPC_OPERAND_SIGNED) != 0 - && (op & (1 << (o->bits - 1))) != 0) - op -= 1 << o->bits; + op = o->bits == -1 ? ((i) & o->shift) : ((i) >> o->shift) & ((1 << o->bits) - 1); + if (o->flags & V850_OPERAND_SIGNED) + op = (op << (32 - o->bits)) >> (32 - o->bits); (i is the instruction, o is a pointer to this structure, and op is the result; this assumes twos complement arithmetic). @@ -100,7 +101,7 @@ struct v850_operand non-zero if this operand type can not actually be extracted from this operand (i.e., the instruction does not match). If the operand is valid, *INVALID will not be changed. */ - long (*extract) PARAMS ((unsigned long instruction, int *invalid)); + unsigned long (* extract) PARAMS ((unsigned long instruction, int * invalid)); /* One bit syntax flags. */ int flags; @@ -136,4 +137,22 @@ extern const struct v850_operand v850_operands[]; promoted operands on the mn10300?) */ #define V850_OPERAND_RELAX 0x40 +/* Whether this argument is a N-bit offset for a sst.{h,w}/sld.{h,w,hu} + instruction, and the addend needs to be shifted right one bit */ +#define V850_OPERAND_ADJUST_SHORT_MEMORY 0x80 + +/* The register specified must not be r0 */ +#define V850_NOT_R0 0x100 + +/* start-sanitize-v850e */ +/* push/pop type instruction, V850E specific. */ +#define V850E_PUSH_POP 0x200 + +/* 16 bit immediate follows instruction, V850E specific. */ +#define V850E_IMMEDIATE16 0x400 + +/* 32 bit immediate follows instruction, V850E specific. */ +#define V850E_IMMEDIATE32 0x800 +/* end-sanitize-v850e */ + #endif /* V850_H */ |