{ OPERAND_TYPE_REGYMM, "rYMM" },
{ OPERAND_TYPE_REGZMM, "rZMM" },
{ OPERAND_TYPE_REGMASK, "Mask reg" },
- { OPERAND_TYPE_ESSEG, "es" },
};
static void
{
expressionS *exp;
- if ((i.tm.cpu_flags.bitfield.cpusse3 || i.tm.cpu_flags.bitfield.cpusvme)
- && i.operands > 0)
- {
- /* MONITOR/MWAIT as well as SVME instructions have fixed operands
- with an opcode suffix which is coded in the same place as an
- 8-bit immediate field would be.
- Here we check those operands and remove them afterwards. */
- unsigned int x;
-
- for (x = 0; x < i.operands; x++)
- if (register_number (i.op[x].regs) != x)
- as_bad (_("can't use register '%s%s' as operand %d in '%s'."),
- register_prefix, i.op[x].regs->reg_name, x + 1,
- i.tm.name);
-
- i.operands = 0;
- }
-
- if (i.tm.cpu_flags.bitfield.cpumwaitx && i.operands > 0)
- {
- /* MONITORX/MWAITX instructions have fixed operands with an opcode
- suffix which is coded in the same place as an 8-bit immediate
- field would be.
- Here we check those operands and remove them afterwards. */
- unsigned int x;
-
- if (i.operands != 3)
- abort();
-
- for (x = 0; x < 2; x++)
- if (register_number (i.op[x].regs) != x)
- goto bad_register_operand;
-
- /* Check for third operand for mwaitx/monitorx insn. */
- if (register_number (i.op[x].regs)
- != (x + (i.tm.extension_opcode == 0xfb)))
- {
-bad_register_operand:
- as_bad (_("can't use register '%s%s' as operand %d in '%s'."),
- register_prefix, i.op[x].regs->reg_name, x+1,
- i.tm.name);
- }
-
- i.operands = 0;
- }
-
/* These AMD 3DNow! and SSE2 instructions have an opcode suffix
which is coded in the same place as an 8-bit immediate field
would be. Here we fake an 8-bit immediate operand from the
}
/* Check string instruction segment overrides. */
- if (i.tm.opcode_modifier.isstring && i.mem_operands != 0)
+ if (i.tm.opcode_modifier.isstring >= IS_STRING_ES_OP0)
{
+ gas_assert (i.mem_operands);
if (!check_string ())
return;
i.disp_operands = 0;
static int
check_string (void)
{
- unsigned int mem_op = i.flags[0] & Operand_Mem ? 0 : 1;
+ unsigned int es_op = i.tm.opcode_modifier.isstring - IS_STRING_ES_OP0;
+ unsigned int op = i.tm.operand_types[0].bitfield.baseindex ? es_op : 0;
- if (i.tm.operand_types[mem_op].bitfield.esseg)
- {
- if (i.seg[0] != NULL && i.seg[0] != &es)
- {
- as_bad (_("`%s' operand %d must use `%ses' segment"),
- i.tm.name,
- intel_syntax ? i.tm.operands - mem_op : mem_op + 1,
- register_prefix);
- return 0;
- }
- /* There's only ever one segment override allowed per instruction.
- This instruction possibly has a legal segment override on the
- second operand, so copy the segment to where non-string
- instructions store it, allowing common code. */
- i.seg[0] = i.seg[1];
- }
- else if (i.tm.operand_types[mem_op + 1].bitfield.esseg)
+ if (i.seg[op] != NULL && i.seg[op] != &es)
{
- if (i.seg[1] != NULL && i.seg[1] != &es)
- {
- as_bad (_("`%s' operand %d must use `%ses' segment"),
- i.tm.name,
- intel_syntax ? i.tm.operands - mem_op - 1 : mem_op + 2,
- register_prefix);
- return 0;
- }
+ as_bad (_("`%s' operand %u must use `%ses' segment"),
+ i.tm.name,
+ intel_syntax ? i.tm.operands - es_op : es_op + 1,
+ register_prefix);
+ return 0;
}
+
+ /* There's only ever one segment override allowed per instruction.
+ This instruction possibly has a legal segment override on the
+ second operand, so copy the segment to where non-string
+ instructions store it, allowing common code. */
+ i.seg[op] = i.seg[1];
+
return 1;
}
if (i.reg_operands > 0
&& i.types[0].bitfield.class == Reg
&& i.tm.opcode_modifier.addrprefixopreg
- && (i.tm.opcode_modifier.immext
+ && (i.tm.operand_types[0].bitfield.instance == Accum
|| i.operands == 1))
{
/* The address size override prefix changes the size of the
if (i.reg_operands != 0
&& i.operands > 1
&& i.tm.opcode_modifier.addrprefixopreg
- && !i.tm.opcode_modifier.immext)
+ && i.tm.operand_types[0].bitfield.instance != Accum)
{
/* Check invalid register operand when the address size override
prefix changes the size of register operands. */
if (current_templates->start->opcode_modifier.repprefixok)
{
- i386_operand_type type = current_templates->end[-1].operand_types[0];
+ int es_op = current_templates->end[-1].opcode_modifier.isstring
+ - IS_STRING_ES_OP0;
+ int op = 0;
- if (!type.bitfield.baseindex
+ if (!current_templates->end[-1].operand_types[0].bitfield.baseindex
|| ((!i.mem_operands != !intel_syntax)
&& current_templates->end[-1].operand_types[1]
.bitfield.baseindex))
- type = current_templates->end[-1].operand_types[1];
- expected_reg = hash_find (reg_hash,
- di_si[addr_mode][type.bitfield.esseg]);
-
+ op = 1;
+ expected_reg = hash_find (reg_hash, di_si[addr_mode][op == es_op]);
}
else
expected_reg = hash_find (reg_hash, bx[addr_mode]);
projects / binutils-gdb.git / blobdiff