* v850-opc.c (v850_operansd): 3-bit immediate for bit insns
[deliverable/binutils-gdb.git] / opcodes / v850-opc.c
CommitLineData
6d1e1ee8
C
1#include "ansidecl.h"
2#include "opcode/v850.h"
3
4f235110
C
4/* Local insertion and extraction functions. */
5static unsigned long insert_d9 PARAMS ((unsigned long, long, const char **));
6static long extract_d9 PARAMS ((unsigned long, int *));
7
6d1e1ee8
C
8/* regular opcode */
9#define OP(x) ((x & 0x3f) << 5)
10#define OP_MASK OP(0x3f)
11
12/* conditional branch opcode */
13#define BOP(x) ((0x0b << 7) | (x & 0x0f))
14#define BOP_MASK ((0x0b << 7) | 0x0f)
15
16/* one-word opcodes */
17#define one(x) ((unsigned int) (x))
18
19/* two-word opcodes */
20#define two(x,y) ((unsigned int) (y) | ((unsigned int) (x) << 16))
21
22
23\f
24const struct v850_operand v850_operands[] = {
25#define UNUSED 0
69463cbb 26 { 0, 0, 0, 0, 0 },
6d1e1ee8
C
27
28/* The R1 field in a format 1, 6, 7, or 9 insn. */
29#define R1 (UNUSED+1)
69463cbb 30 { 5, 0, 0, 0, V850_OPERAND_REG },
6d1e1ee8
C
31
32/* The R2 field in a format 1, 2, 4, 5, 6, 7, 9 insn. */
33#define R2 (R1+1)
69463cbb 34 { 5, 11, 0, 0, V850_OPERAND_REG },
6d1e1ee8
C
35
36/* The IMM5 field in a format 2 insn. */
37#define I5 (R2+1)
dbc6a8f6
C
38 { 5, 0, 0, 0, V850_OPERAND_SIGNED },
39
40#define I5U (I5+1)
41 { 5, 0, 0, 0, 0 },
6d1e1ee8 42
4f235110 43/* The IMM16 field in a format 6 insn. */
dbc6a8f6 44#define I16 (I5U+1)
69463cbb 45 { 16, 0, 0, 0, 0 },
6d1e1ee8
C
46
47/* The DISP6 field in a format 4 insn. */
48#define D6 (I16+1)
69463cbb 49 { 6, 1, 0, 0, 0 },
6d1e1ee8 50
4f235110
C
51/* The DISP9 field in a format 3 insn. */
52#define D9 (D6+1)
dbc6a8f6 53 { 0, 0, insert_d9, extract_d9, V850_OPERAND_SIGNED },
6d1e1ee8
C
54
55/* The DISP16 field in a format 6 insn. */
4f235110 56#define D16 (D9+1)
dbc6a8f6 57 { 16, 0, 0, 0, V850_OPERAND_SIGNED },
6d1e1ee8
C
58
59/* The DISP22 field in a format 4 insn. */
60#define D22 (D16+1)
69463cbb 61 { 16, 0, 0, 0, 0 },
7c8157dd
JL
62
63#define B3 (D22+1)
64/* The 3 bit immediate field in format 8 insn. */
3c72ab70 65 { 3, 11, 0, 0, 0 },
69463cbb
C
66
67#define CCCC (B3+1)
68/* The 4 bit condition code in a setf instruction */
69 { 4, 0, 0, 0, V850_OPERAND_CC }
6d1e1ee8
C
70} ;
71
72\f
73/* reg-reg instruction format (Format I) */
74#define IF1 {R1, R2}
75
76/* imm-reg instruction format (Format II) */
77#define IF2 {I5, R2}
78
79/* conditional branch instruction format (Format III) */
4f235110 80#define IF3 {D9}
6d1e1ee8
C
81
82/* 16-bit load/store instruction (Format IV) */
e89a42c1
C
83#define IF4A {D6, R2}
84#define IF4B {R2, D6}
6d1e1ee8
C
85
86/* Jump instruction (Format V) */
87#define IF5 {D22}
88
89/* 3 operand instruction (Format VI) */
e89a42c1 90#define IF6 {I16, R1, R2}
6d1e1ee8
C
91
92/* 32-bit load/store instruction (Format VII) */
e89a42c1
C
93#define IF7A {D16, R1, R2}
94#define IF7B {R2, D16, R1}
6d1e1ee8 95
b10e29f4 96/* Bit manipulation function. */
6d1e1ee8
C
97
98
99\f
100/* The opcode table.
101
102 The format of the opcode table is:
103
104 NAME OPCODE MASK { OPERANDS }
105
106 NAME is the name of the instruction.
107 OPCODE is the instruction opcode.
108 MASK is the opcode mask; this is used to tell the disassembler
109 which bits in the actual opcode must match OPCODE.
110 OPERANDS is the list of operands.
111
112 The disassembler reads the table in order and prints the first
113 instruction which matches, so this table is sorted to put more
114 specific instructions before more general instructions. It is also
115 sorted by major opcode. */
116
117const struct v850_opcode v850_opcodes[] = {
118/* load/store instructions */
e89a42c1
C
119{ "sld.b", OP(0x00), OP_MASK, IF4A },
120{ "sld.h", OP(0x00), OP_MASK, IF4A },
121{ "sld.w", OP(0x00), OP_MASK, IF4A },
122{ "sst.b", OP(0x00), OP_MASK, IF4B },
cc6e50b5 123{ "sst.h", OP(0x00), OP_MASK, IF4B },
e89a42c1 124{ "sst.w", OP(0x00), OP_MASK, IF4B },
e89a42c1
C
125
126{ "ld.b", OP(0x00), OP_MASK, IF7A },
127{ "ld.h", OP(0x00), OP_MASK, IF7A },
128{ "ld.w", OP(0x00), OP_MASK, IF7A },
129{ "st.b", OP(0x00), OP_MASK, IF7B },
130{ "st.h", OP(0x00), OP_MASK, IF7B },
131{ "st.w", OP(0x00), OP_MASK, IF7B },
6d1e1ee8
C
132
133/* arithmetic operation instructions */
6bc33c7f
C
134{ "mov", OP(0x00), OP_MASK, IF1 },
135{ "mov", OP(0x08), OP_MASK, IF2 },
136{ "movea", OP(0x31), OP_MASK, IF6 },
137{ "movhi", OP(0x31), OP_MASK, IF6 },
6d1e1ee8
C
138{ "add", OP(0x0e), OP_MASK, IF1 },
139{ "add", OP(0x12), OP_MASK, IF2 },
140{ "addi", OP(0x30), OP_MASK, IF6 },
141{ "sub", OP(0x0d), OP_MASK, IF1 },
142{ "subr", OP(0x0c), OP_MASK, IF1 },
143{ "mulh", OP(0x07), OP_MASK, IF1 },
144{ "mulh", OP(0x17), OP_MASK, IF2 },
145{ "mulhi", OP(0x37), OP_MASK, IF6 },
146{ "divh", OP(0x02), OP_MASK, IF1 },
147{ "cmp", OP(0x0f), OP_MASK, IF1 },
148{ "cmp", OP(0x13), OP_MASK, IF2 },
69463cbb 149{ "setf", two(0x0000,0x0000), two(0x0000,0xffff), {CCCC,R2} },
6d1e1ee8
C
150
151/* saturated operation instructions */
152{ "satadd", OP(0x06), OP_MASK, IF1 },
153{ "satadd", OP(0x11), OP_MASK, IF2 },
154{ "satsub", OP(0x05), OP_MASK, IF1 },
155{ "satsubi", OP(0x33), OP_MASK, IF6 },
156{ "satsubr", OP(0x04), OP_MASK, IF1 },
157
158/* logical operation instructions */
159{ "tst", OP(0x0b), OP_MASK, IF1 },
160{ "or", OP(0x08), OP_MASK, IF1 },
161{ "ori", OP(0x34), OP_MASK, IF6 },
162{ "and", OP(0x0a), OP_MASK, IF1 },
163{ "andi", OP(0x36), OP_MASK, IF6 },
164{ "xor", OP(0x09), OP_MASK, IF1 },
165{ "xori", OP(0x35), OP_MASK, IF6 },
166{ "not", OP(0x01), OP_MASK, IF1 },
dbc6a8f6 167{ "sar", OP(0x15), OP_MASK, {I5U, R2} },
6d1e1ee8 168{ "sar", two(0x07e0,0x00a0), two(0x07e0,0xffff), {R1,R2} },
dbc6a8f6 169{ "shl", OP(0x16), OP_MASK, {I5U, R2} },
6d1e1ee8 170{ "shl", two(0x07e0,0x00c0), two(0x07e0,0xffff), {R1,R2} },
dbc6a8f6 171{ "shr", OP(0x14), OP_MASK, {I5U, R2} },
6d1e1ee8
C
172{ "shr", two(0x07e0,0x0080), two(0x07e0,0xffff), {R1,R2} },
173
174/* branch instructions */
6bc33c7f
C
175 /* signed integer */
176{ "bgt", BOP(0xf), BOP_MASK, IF3 },
177{ "bge", BOP(0xe), BOP_MASK, IF3 },
178{ "blt", BOP(0x6), BOP_MASK, IF3 },
179{ "ble", BOP(0x7), BOP_MASK, IF3 },
180 /* unsigned integer */
181{ "bh", BOP(0xb), BOP_MASK, IF3 },
182{ "bnh", BOP(0x3), BOP_MASK, IF3 },
6d1e1ee8 183{ "bl", BOP(0x1), BOP_MASK, IF3 },
6d1e1ee8 184{ "bnl", BOP(0x9), BOP_MASK, IF3 },
6bc33c7f 185 /* common */
6d1e1ee8 186{ "be", BOP(0x2), BOP_MASK, IF3 },
6d1e1ee8 187{ "bne", BOP(0xa), BOP_MASK, IF3 },
6bc33c7f
C
188 /* others */
189{ "bv", BOP(0x0), BOP_MASK, IF3 },
190{ "bnv", BOP(0x8), BOP_MASK, IF3 },
6d1e1ee8
C
191{ "bn", BOP(0x4), BOP_MASK, IF3 },
192{ "bp", BOP(0xc), BOP_MASK, IF3 },
6bc33c7f
C
193{ "bc", BOP(0x1), BOP_MASK, IF3 },
194{ "bnc", BOP(0x9), BOP_MASK, IF3 },
195{ "bz", BOP(0x2), BOP_MASK, IF3 },
196{ "bnz", BOP(0xa), BOP_MASK, IF3 },
197{ "br", BOP(0x5), BOP_MASK, IF3 },
6d1e1ee8 198{ "bsa", BOP(0xd), BOP_MASK, IF3 },
6d1e1ee8 199
fed1d21f 200{ "jmp", one(0x0060), one(0xffe0), R1 },
e89a42c1 201{ "jarl", one(0x0780), one(0xf83f), { D22, R2 } },
6d1e1ee8
C
202{ "jr", one(0x0780), one(0xffe0), { D22 } },
203
6d1e1ee8 204/* bit manipulation instructions */
0bdf3144
JL
205{ "set1", two(0x07c0,0x0000), two(0xc7e0,0x0000), {B3, D16, R1} },
206{ "not1", two(0x47c0,0x0000), two(0xc7e0,0x0000), {B3, D16, R1} },
207{ "clr1", two(0x87c0,0x0000), two(0xc7e0,0x0000), {B3, D16, R1} },
208{ "tst1", two(0xc7c0,0x0000), two(0xc7e0,0x0000), {B3, D16, R1} },
6d1e1ee8
C
209
210/* special instructions */
211{ "di", two(0x07e0,0x0160), two(0xffff,0xffff), {0} },
212{ "ei", two(0x87e0,0x0160), two(0xffff,0xffff), {0} },
213{ "halt", two(0x07e0,0x0120), two(0xffff,0xffff), {0} },
214{ "reti", two(0x07e0,0x0140), two(0xffff,0xffff), {0} },
6d1e1ee8 215{ "trap", two(0x07e0,0x0100), two(0xffe0,0xffff), {I5} },
6d1e1ee8
C
216{ "ldsr", two(0x07e0,0x0020), two(0x07e0,0xffff), {0} },
217{ "stsr", two(0x07e0,0x0040), two(0x07e0,0xffff), {0} },
218{ "nop", one(0x00), one(0xff), {0} },
219
220} ;
221
222const int v850_num_opcodes =
223 sizeof (v850_opcodes) / sizeof (v850_opcodes[0]);
224
4f235110
C
225\f
226/* The functions used to insert and extract complicated operands. */
227
228static unsigned long
229insert_d9 (insn, value, errmsg)
230 unsigned long insn;
231 long value;
232 const char **errmsg;
233{
234 if (value > 511 || value <= -512)
235 *errmsg = "value out of range";
236
237 return (insn | ((value & 0x1f0) << 7) | ((value & 0x0e) << 3));
238}
239
240static long
241extract_d9 (insn, invalid)
242 unsigned long insn;
243 int *invalid;
244{
245 long ret = ((insn & 0xf800) >> 7) | ((insn & 0x0070) >> 3);
246
247 if ((insn & 0x8000) != 0)
248 ret -= 0x0200;
249
250 return ret;
251}
This page took 0.043146 seconds and 4 git commands to generate.