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-rw-r--r--bfd/cpu-ia64-opc.c586
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diff --git a/bfd/cpu-ia64-opc.c b/bfd/cpu-ia64-opc.c
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+/* Copyright (C) 1998, 1999 Free Software Foundation, Inc.
+ Contributed by David Mosberger-Tang <davidm@hpl.hp.com>
+
+This file is part of BFD, the Binary File Descriptor library.
+
+This program is free software; you can redistribute it and/or modify
+it under the terms of the GNU General Public License as published by
+the Free Software Foundation; either version 2 of the License, or
+(at your option) any later version.
+
+This program is distributed in the hope that it will be useful,
+but WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+GNU General Public License for more details.
+
+You should have received a copy of the GNU General Public License
+along with this program; if not, write to the Free Software
+Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */
+
+
+/* Logically, this code should be part of libopcode but since some of
+ the operand insertion/extraction functions help bfd to implement
+ relocations, this code is included as part of elf64-ia64.c. This
+ avoids circular dependencies between libopcode and libbfd and also
+ obviates the need for applications to link in libopcode when all
+ they really want is libbfd.
+
+ --davidm Mon Apr 13 22:14:02 1998 */
+
+#include "../opcodes/ia64-opc.h"
+
+#define NELEMS(a) ((int) (sizeof (a) / sizeof ((a)[0])))
+
+static const char*
+ins_rsvd (const struct ia64_operand *self, ia64_insn value, ia64_insn *code)
+{
+ return "internal error---this shouldn't happen";
+}
+
+static const char*
+ext_rsvd (const struct ia64_operand *self, ia64_insn code, ia64_insn *valuep)
+{
+ return "internal error---this shouldn't happen";
+}
+
+static const char*
+ins_const (const struct ia64_operand *self, ia64_insn value, ia64_insn *code)
+{
+ return 0;
+}
+
+static const char*
+ext_const (const struct ia64_operand *self, ia64_insn code, ia64_insn *valuep)
+{
+ return 0;
+}
+
+static const char*
+ins_reg (const struct ia64_operand *self, ia64_insn value, ia64_insn *code)
+{
+ if (value >= 1u << self->field[0].bits)
+ return "register number out of range";
+
+ *code |= value << self->field[0].shift;
+ return 0;
+}
+
+static const char*
+ext_reg (const struct ia64_operand *self, ia64_insn code, ia64_insn *valuep)
+{
+ *valuep = ((code >> self->field[0].shift)
+ & ((1u << self->field[0].bits) - 1));
+ return 0;
+}
+
+static const char*
+ins_immu (const struct ia64_operand *self, ia64_insn value, ia64_insn *code)
+{
+ ia64_insn new = 0;
+ int i;
+
+ for (i = 0; i < NELEMS (self->field) && self->field[i].bits; ++i)
+ {
+ new |= ((value & ((((ia64_insn) 1) << self->field[i].bits) - 1))
+ << self->field[i].shift);
+ value >>= self->field[i].bits;
+ }
+ if (value)
+ return "integer operand out of range";
+
+ *code |= new;
+ return 0;
+}
+
+static const char*
+ext_immu (const struct ia64_operand *self, ia64_insn code, ia64_insn *valuep)
+{
+ BFD_HOST_U_64_BIT value = 0;
+ int i, bits = 0, total = 0;
+
+ for (i = 0; i < NELEMS (self->field) && self->field[i].bits; ++i)
+ {
+ bits = self->field[i].bits;
+ value |= ((code >> self->field[i].shift)
+ & ((((BFD_HOST_U_64_BIT) 1) << bits) - 1)) << total;
+ total += bits;
+ }
+ *valuep = value;
+ return 0;
+}
+
+static const char*
+ins_immus8 (const struct ia64_operand *self, ia64_insn value, ia64_insn *code)
+{
+ if (value & 0x7)
+ return "value not an integer multiple of 8";
+ return ins_immu (self, value >> 3, code);
+}
+
+static const char*
+ext_immus8 (const struct ia64_operand *self, ia64_insn code, ia64_insn *valuep)
+{
+ const char *result;
+
+ result = ext_immu (self, code, valuep);
+ if (result)
+ return result;
+
+ *valuep = *valuep << 3;
+ return 0;
+}
+
+static const char*
+ins_imms_scaled (const struct ia64_operand *self, ia64_insn value,
+ ia64_insn *code, int scale)
+{
+ BFD_HOST_64_BIT svalue = value, sign_bit;
+ ia64_insn new = 0;
+ int i;
+
+ svalue >>= scale;
+
+ for (i = 0; i < NELEMS (self->field) && self->field[i].bits; ++i)
+ {
+ new |= ((svalue & ((((ia64_insn) 1) << self->field[i].bits) - 1))
+ << self->field[i].shift);
+ sign_bit = (svalue >> (self->field[i].bits - 1)) & 1;
+ svalue >>= self->field[i].bits;
+ }
+ if ((!sign_bit && svalue != 0) || (sign_bit && svalue != -1))
+ return "integer operand out of range";
+
+ *code |= new;
+ return 0;
+}
+
+static const char*
+ext_imms_scaled (const struct ia64_operand *self, ia64_insn code,
+ ia64_insn *valuep, int scale)
+{
+ int i, bits = 0, total = 0, shift;
+ BFD_HOST_64_BIT val = 0;
+
+ for (i = 0; i < NELEMS (self->field) && self->field[i].bits; ++i)
+ {
+ bits = self->field[i].bits;
+ val |= ((code >> self->field[i].shift)
+ & ((((BFD_HOST_U_64_BIT) 1) << bits) - 1)) << total;
+ total += bits;
+ }
+ /* sign extend: */
+ shift = 8*sizeof (val) - total;
+ val = (val << shift) >> shift;
+
+ *valuep = (val << scale);
+ return 0;
+}
+
+static const char*
+ins_imms (const struct ia64_operand *self, ia64_insn value, ia64_insn *code)
+{
+ return ins_imms_scaled (self, value, code, 0);
+}
+
+static const char*
+ins_immsu4 (const struct ia64_operand *self, ia64_insn value, ia64_insn *code)
+{
+ if (value == (BFD_HOST_U_64_BIT) 0x100000000)
+ value = 0;
+ else
+ value = (((BFD_HOST_64_BIT)value << 32) >> 32);
+
+ return ins_imms_scaled (self, value, code, 0);
+}
+
+static const char*
+ext_imms (const struct ia64_operand *self, ia64_insn code, ia64_insn *valuep)
+{
+ return ext_imms_scaled (self, code, valuep, 0);
+}
+
+static const char*
+ins_immsm1 (const struct ia64_operand *self, ia64_insn value, ia64_insn *code)
+{
+ --value;
+ return ins_imms_scaled (self, value, code, 0);
+}
+
+static const char*
+ins_immsm1u4 (const struct ia64_operand *self, ia64_insn value,
+ ia64_insn *code)
+{
+ if (value == (BFD_HOST_U_64_BIT) 0x100000000)
+ value = 0;
+ else
+ value = (((BFD_HOST_64_BIT)value << 32) >> 32);
+
+ --value;
+ return ins_imms_scaled (self, value, code, 0);
+}
+
+static const char*
+ext_immsm1 (const struct ia64_operand *self, ia64_insn code, ia64_insn *valuep)
+{
+ const char *res = ext_imms_scaled (self, code, valuep, 0);
+
+ ++*valuep;
+ return res;
+}
+
+static const char*
+ins_imms1 (const struct ia64_operand *self, ia64_insn value, ia64_insn *code)
+{
+ return ins_imms_scaled (self, value, code, 1);
+}
+
+static const char*
+ext_imms1 (const struct ia64_operand *self, ia64_insn code, ia64_insn *valuep)
+{
+ return ext_imms_scaled (self, code, valuep, 1);
+}
+
+static const char*
+ins_imms4 (const struct ia64_operand *self, ia64_insn value, ia64_insn *code)
+{
+ return ins_imms_scaled (self, value, code, 4);
+}
+
+static const char*
+ext_imms4 (const struct ia64_operand *self, ia64_insn code, ia64_insn *valuep)
+{
+ return ext_imms_scaled (self, code, valuep, 4);
+}
+
+static const char*
+ins_imms16 (const struct ia64_operand *self, ia64_insn value, ia64_insn *code)
+{
+ return ins_imms_scaled (self, value, code, 16);
+}
+
+static const char*
+ext_imms16 (const struct ia64_operand *self, ia64_insn code, ia64_insn *valuep)
+{
+ return ext_imms_scaled (self, code, valuep, 16);
+}
+
+static const char*
+ins_cimmu (const struct ia64_operand *self, ia64_insn value, ia64_insn *code)
+{
+ ia64_insn mask = (((ia64_insn) 1) << self->field[0].bits) - 1;
+ return ins_immu (self, value ^ mask, code);
+}
+
+static const char*
+ext_cimmu (const struct ia64_operand *self, ia64_insn code, ia64_insn *valuep)
+{
+ const char *result;
+ ia64_insn mask;
+
+ mask = (((ia64_insn) 1) << self->field[0].bits) - 1;
+ result = ext_immu (self, code, valuep);
+ if (!result)
+ {
+ mask = (((ia64_insn) 1) << self->field[0].bits) - 1;
+ *valuep ^= mask;
+ }
+ return result;
+}
+
+static const char*
+ins_cnt (const struct ia64_operand *self, ia64_insn value, ia64_insn *code)
+{
+ --value;
+ if (value >= ((BFD_HOST_U_64_BIT) 1) << self->field[0].bits)
+ return "count out of range";
+
+ *code |= value << self->field[0].shift;
+ return 0;
+}
+
+static const char*
+ext_cnt (const struct ia64_operand *self, ia64_insn code, ia64_insn *valuep)
+{
+ *valuep = ((code >> self->field[0].shift)
+ & ((((BFD_HOST_U_64_BIT) 1) << self->field[0].bits) - 1)) + 1;
+ return 0;
+}
+
+static const char*
+ins_cnt2b (const struct ia64_operand *self, ia64_insn value, ia64_insn *code)
+{
+ --value;
+
+ if (value > 2)
+ return "count must be in range 1..3";
+
+ *code |= value << self->field[0].shift;
+ return 0;
+}
+
+static const char*
+ext_cnt2b (const struct ia64_operand *self, ia64_insn code, ia64_insn *valuep)
+{
+ *valuep = ((code >> self->field[0].shift) & 0x3) + 1;
+ return 0;
+}
+
+static const char*
+ins_cnt2c (const struct ia64_operand *self, ia64_insn value, ia64_insn *code)
+{
+ switch (value)
+ {
+ case 0: value = 0; break;
+ case 7: value = 1; break;
+ case 15: value = 2; break;
+ case 16: value = 3; break;
+ default: return "count must be 0, 7, 15, or 16";
+ }
+ *code |= value << self->field[0].shift;
+ return 0;
+}
+
+static const char*
+ext_cnt2c (const struct ia64_operand *self, ia64_insn code, ia64_insn *valuep)
+{
+ ia64_insn value;
+
+ value = (code >> self->field[0].shift) & 0x3;
+ switch (value)
+ {
+ case 0: value = 0; break;
+ case 1: value = 7; break;
+ case 2: value = 15; break;
+ case 3: value = 16; break;
+ }
+ *valuep = value;
+ return 0;
+}
+
+static const char*
+ins_inc3 (const struct ia64_operand *self, ia64_insn value, ia64_insn *code)
+{
+ BFD_HOST_64_BIT val = value;
+ BFD_HOST_U_64_BIT sign = 0;
+
+ if (val < 0)
+ {
+ sign = 0x4;
+ value = -value;
+ }
+ switch (value)
+ {
+ case 1: value = 3; break;
+ case 4: value = 2; break;
+ case 8: value = 1; break;
+ case 16: value = 0; break;
+ default: return "count must be +/- 1, 4, 8, or 16";
+ }
+ *code |= (sign | value) << self->field[0].shift;
+ return 0;
+}
+
+static const char*
+ext_inc3 (const struct ia64_operand *self, ia64_insn code, ia64_insn *valuep)
+{
+ BFD_HOST_64_BIT val;
+ int negate;
+
+ val = (code >> self->field[0].shift) & 0x7;
+ negate = val & 0x4;
+ switch (val & 0x3)
+ {
+ case 0: val = 16; break;
+ case 1: val = 8; break;
+ case 2: val = 4; break;
+ case 3: val = 1; break;
+ }
+ if (negate)
+ val = -val;
+
+ *valuep = val;
+ return 0;
+}
+
+#define CST IA64_OPND_CLASS_CST
+#define REG IA64_OPND_CLASS_REG
+#define IND IA64_OPND_CLASS_IND
+#define ABS IA64_OPND_CLASS_ABS
+#define REL IA64_OPND_CLASS_REL
+
+#define SDEC IA64_OPND_FLAG_DECIMAL_SIGNED
+#define UDEC IA64_OPND_FLAG_DECIMAL_UNSIGNED
+
+const struct ia64_operand elf64_ia64_operands[IA64_OPND_COUNT] =
+ {
+ /* constants: */
+ { CST, ins_const, ext_const, "NIL", {{ 0, }}, 0, "<none>" },
+ { CST, ins_const, ext_const, "ar.ccv", {{ 0, }}, 0, "ar.ccv" },
+ { CST, ins_const, ext_const, "ar.pfs", {{ 0, }}, 0, "ar.pfs" },
+ { CST, ins_const, ext_const, "1", {{ 0, }}, 0, "1" },
+ { CST, ins_const, ext_const, "8", {{ 0, }}, 0, "1" },
+ { CST, ins_const, ext_const, "16", {{ 0, }}, 0, "16" },
+ { CST, ins_const, ext_const, "r0", {{ 0, }}, 0, "r0" },
+ { CST, ins_const, ext_const, "ip", {{ 0, }}, 0, "ip" },
+ { CST, ins_const, ext_const, "pr", {{ 0, }}, 0, "pr" },
+ { CST, ins_const, ext_const, "pr.rot", {{ 0, }}, 0, "pr.rot" },
+ { CST, ins_const, ext_const, "psr", {{ 0, }}, 0, "psr" },
+ { CST, ins_const, ext_const, "psr.l", {{ 0, }}, 0, "psr.l" },
+ { CST, ins_const, ext_const, "psr.um", {{ 0, }}, 0, "psr.um" },
+
+ /* register operands: */
+ { REG, ins_reg, ext_reg, "ar", {{ 7, 20}}, 0, /* AR3 */
+ "an application register" },
+ { REG, ins_reg, ext_reg, "b", {{ 3, 6}}, 0, /* B1 */
+ "a branch register" },
+ { REG, ins_reg, ext_reg, "b", {{ 3, 13}}, 0, /* B2 */
+ "a branch register"},
+ { REG, ins_reg, ext_reg, "cr", {{ 7, 20}}, 0, /* CR */
+ "a control register"},
+ { REG, ins_reg, ext_reg, "f", {{ 7, 6}}, 0, /* F1 */
+ "a floating-point register" },
+ { REG, ins_reg, ext_reg, "f", {{ 7, 13}}, 0, /* F2 */
+ "a floating-point register" },
+ { REG, ins_reg, ext_reg, "f", {{ 7, 20}}, 0, /* F3 */
+ "a floating-point register" },
+ { REG, ins_reg, ext_reg, "f", {{ 7, 27}}, 0, /* F4 */
+ "a floating-point register" },
+ { REG, ins_reg, ext_reg, "p", {{ 6, 6}}, 0, /* P1 */
+ "a predicate register" },
+ { REG, ins_reg, ext_reg, "p", {{ 6, 27}}, 0, /* P2 */
+ "a predicate register" },
+ { REG, ins_reg, ext_reg, "r", {{ 7, 6}}, 0, /* R1 */
+ "a general register" },
+ { REG, ins_reg, ext_reg, "r", {{ 7, 13}}, 0, /* R2 */
+ "a general register" },
+ { REG, ins_reg, ext_reg, "r", {{ 7, 20}}, 0, /* R3 */
+ "a general register" },
+ { REG, ins_reg, ext_reg, "r", {{ 2, 20}}, 0, /* R3_2 */
+ "a general register r0-r3" },
+
+ /* indirect operands: */
+ { IND, ins_reg, ext_reg, "cpuid", {{7, 20}}, 0, /* CPUID_R3 */
+ "a cpuid register" },
+ { IND, ins_reg, ext_reg, "dbr", {{7, 20}}, 0, /* DBR_R3 */
+ "a dbr register" },
+ { IND, ins_reg, ext_reg, "dtr", {{7, 20}}, 0, /* DTR_R3 */
+ "a dtr register" },
+ { IND, ins_reg, ext_reg, "itr", {{7, 20}}, 0, /* ITR_R3 */
+ "an itr register" },
+ { IND, ins_reg, ext_reg, "ibr", {{7, 20}}, 0, /* IBR_R3 */
+ "an ibr register" },
+ { IND, ins_reg, ext_reg, "", {{7, 20}}, 0, /* MR3 */
+ "an indirect memory address" },
+ { IND, ins_reg, ext_reg, "msr", {{7, 20}}, 0, /* MSR_R3 */
+ "an msr register" },
+ { IND, ins_reg, ext_reg, "pkr", {{7, 20}}, 0, /* PKR_R3 */
+ "a pkr register" },
+ { IND, ins_reg, ext_reg, "pmc", {{7, 20}}, 0, /* PMC_R3 */
+ "a pmc register" },
+ { IND, ins_reg, ext_reg, "pmd", {{7, 20}}, 0, /* PMD_R3 */
+ "a pmd register" },
+ { IND, ins_reg, ext_reg, "rr", {{7, 20}}, 0, /* RR_R3 */
+ "an rr register" },
+
+ /* immediate operands: */
+ { ABS, ins_cimmu, ext_cimmu, 0, {{ 5, 20 }}, UDEC, /* CCNT5 */
+ "a 5-bit count (0-31)" },
+ { ABS, ins_cnt, ext_cnt, 0, {{ 2, 27 }}, UDEC, /* CNT2a */
+ "a 2-bit count (1-4)" },
+ { ABS, ins_cnt2b, ext_cnt2b, 0, {{ 2, 27 }}, UDEC, /* CNT2b */
+ "a 2-bit count (1-3)" },
+ { ABS, ins_cnt2c, ext_cnt2c, 0, {{ 2, 30 }}, UDEC, /* CNT2c */
+ "a count (0, 7, 15, or 16)" },
+ { ABS, ins_immu, ext_immu, 0, {{ 5, 14}}, UDEC, /* CNT5 */
+ "a 5-bit count (0-31)" },
+ { ABS, ins_immu, ext_immu, 0, {{ 6, 27}}, UDEC, /* CNT6 */
+ "a 6-bit count (0-63)" },
+ { ABS, ins_cimmu, ext_cimmu, 0, {{ 6, 20}}, UDEC, /* CPOS6a */
+ "a 6-bit bit pos (0-63)" },
+ { ABS, ins_cimmu, ext_cimmu, 0, {{ 6, 14}}, UDEC, /* CPOS6b */
+ "a 6-bit bit pos (0-63)" },
+ { ABS, ins_cimmu, ext_cimmu, 0, {{ 6, 31}}, UDEC, /* CPOS6c */
+ "a 6-bit bit pos (0-63)" },
+ { ABS, ins_imms, ext_imms, 0, {{ 1, 36}}, SDEC, /* IMM1 */
+ "a 1-bit integer (-1, 0)" },
+ { ABS, ins_immu, ext_immu, 0, {{ 2, 13}}, UDEC, /* IMMU2 */
+ "a 2-bit unsigned (0-3)" },
+ { ABS, ins_immu, ext_immu, 0, {{ 7, 13}}, 0, /* IMMU7a */
+ "a 7-bit unsigned (0-127)" },
+ { ABS, ins_immu, ext_immu, 0, {{ 7, 20}}, 0, /* IMMU7b */
+ "a 7-bit unsigned (0-127)" },
+ { ABS, ins_immu, ext_immu, 0, {{ 7, 13}}, UDEC, /* SOF */
+ "a frame size (register count)" },
+ { ABS, ins_immu, ext_immu, 0, {{ 7, 20}}, UDEC, /* SOL */
+ "a local register count" },
+ { ABS, ins_immus8,ext_immus8,0, {{ 4, 27}}, UDEC, /* SOR */
+ "a rotating register count (integer multiple of 8)" },
+ { ABS, ins_imms, ext_imms, 0, /* IMM8 */
+ {{ 7, 13}, { 1, 36}}, SDEC,
+ "an 8-bit integer (-128-127)" },
+ { ABS, ins_immsu4, ext_imms, 0, /* IMM8U4 */
+ {{ 7, 13}, { 1, 36}}, SDEC,
+ "an 8-bit signed integer for 32-bit unsigned compare (-128-127)" },
+ { ABS, ins_immsm1, ext_immsm1, 0, /* IMM8M1 */
+ {{ 7, 13}, { 1, 36}}, SDEC,
+ "an 8-bit integer (-127-128)" },
+ { ABS, ins_immsm1u4, ext_immsm1, 0, /* IMM8M1U4 */
+ {{ 7, 13}, { 1, 36}}, SDEC,
+ "an 8-bit integer for 32-bit unsigned compare (-127-(-1),1-128,0x100000000)" },
+ { ABS, ins_immsm1, ext_immsm1, 0, /* IMM8M1U8 */
+ {{ 7, 13}, { 1, 36}}, SDEC,
+ "an 8-bit integer for 64-bit unsigned compare (-127-(-1),1-128,0x10000000000000000)" },
+ { ABS, ins_immu, ext_immu, 0, {{ 2, 33}, { 7, 20}}, 0, /* IMMU9 */
+ "a 9-bit unsigned (0-511)" },
+ { ABS, ins_imms, ext_imms, 0, /* IMM9a */
+ {{ 7, 6}, { 1, 27}, { 1, 36}}, SDEC,
+ "a 9-bit integer (-256-255)" },
+ { ABS, ins_imms, ext_imms, 0, /* IMM9b */
+ {{ 7, 13}, { 1, 27}, { 1, 36}}, SDEC,
+ "a 9-bit integer (-256-255)" },
+ { ABS, ins_imms, ext_imms, 0, /* IMM14 */
+ {{ 7, 13}, { 6, 27}, { 1, 36}}, SDEC,
+ "a 14-bit integer (-8192-8191)" },
+ { ABS, ins_imms1, ext_imms1, 0, /* IMM17 */
+ {{ 7, 6}, { 8, 24}, { 1, 36}}, 0,
+ "a 17-bit integer (-65536-65535)" },
+ { ABS, ins_immu, ext_immu, 0, {{20, 6}, { 1, 36}}, 0, /* IMMU21 */
+ "a 21-bit unsigned" },
+ { ABS, ins_imms, ext_imms, 0, /* IMM22 */
+ {{ 7, 13}, { 9, 27}, { 5, 22}, { 1, 36}}, SDEC,
+ "a 22-bit integer" },
+ { ABS, ins_immu, ext_immu, 0, /* IMMU24 */
+ {{21, 6}, { 2, 31}, { 1, 36}}, 0,
+ "a 24-bit unsigned" },
+ { ABS, ins_imms16,ext_imms16,0, {{27, 6}, { 1, 36}}, 0, /* IMM44 */
+ "a 44-bit unsigned (least 16 bits ignored/zeroes)" },
+ { ABS, ins_rsvd, ext_rsvd, 0, {{0, 0}}, 0, /* IMMU62 */
+ "a 62-bit unsigned" },
+ { ABS, ins_rsvd, ext_rsvd, 0, {{0, 0}}, 0, /* IMMU64 */
+ "a 64-bit unsigned" },
+ { ABS, ins_inc3, ext_inc3, 0, {{ 3, 13}}, SDEC, /* INC3 */
+ "an increment (+/- 1, 4, 8, or 16)" },
+ { ABS, ins_cnt, ext_cnt, 0, {{ 4, 27}}, UDEC, /* LEN4 */
+ "a 4-bit length (1-16)" },
+ { ABS, ins_cnt, ext_cnt, 0, {{ 6, 27}}, UDEC, /* LEN6 */
+ "a 6-bit length (1-64)" },
+ { ABS, ins_immu, ext_immu, 0, {{ 4, 20}}, 0, /* MBTYPE4 */
+ "a mix type (@rev, @mix, @shuf, @alt, or @brcst)" },
+ { ABS, ins_immu, ext_immu, 0, {{ 8, 20}}, 0, /* MBTYPE8 */
+ "an 8-bit mix type" },
+ { ABS, ins_immu, ext_immu, 0, {{ 6, 14}}, UDEC, /* POS6 */
+ "a 6-bit bit pos (0-63)" },
+ { REL, ins_imms4, ext_imms4, 0, {{ 7, 6}, { 2, 33}}, 0, /* TAG13 */
+ "a branch tag" },
+ { REL, ins_imms4, ext_imms4, 0, {{ 9, 24}}, 0, /* TAG13b */
+ "a branch tag" },
+ { REL, ins_imms4, ext_imms4, 0, {{20, 6}, { 1, 36}}, 0, /* TGT25 */
+ "a branch target" },
+ { REL, ins_imms4, ext_imms4, 0, /* TGT25b */
+ {{ 7, 6}, {13, 20}, { 1, 36}}, 0,
+ "a branch target" },
+ { REL, ins_imms4, ext_imms4, 0, {{20, 13}, { 1, 36}}, 0, /* TGT25c */
+ "a branch target" },
+ { REL, ins_rsvd, ext_rsvd, 0, {{0, 0}}, 0, /* TGT64 */
+ "a branch target" },
+ };