1 /* tc-i386.c -- Assemble Intel syntax code for ix86/x86-64
3 Free Software Foundation, Inc.
5 This file is part of GAS, the GNU Assembler.
7 GAS is free software; you can redistribute it and/or modify
8 it under the terms of the GNU General Public License as published by
9 the Free Software Foundation; either version 3, or (at your option)
12 GAS is distributed in the hope that it will be useful,
13 but WITHOUT ANY WARRANTY; without even the implied warranty of
14 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15 GNU General Public License for more details.
17 You should have received a copy of the GNU General Public License
18 along with GAS; see the file COPYING. If not, write to the Free
19 Software Foundation, 51 Franklin Street - Fifth Floor, Boston, MA
24 operatorT op_modifier; /* Operand modifier. */
25 int is_mem; /* 1 if operand is memory reference. */
26 int is_indirect; /* 1 if operand is indirect reference. */
27 int has_offset; /* 1 if operand has offset. */
28 unsigned int in_offset; /* >=1 if processing operand of offset. */
29 unsigned int in_bracket; /* >=1 if processing operand in brackets. */
30 unsigned int in_scale; /* >=1 if processing multipication operand
32 i386_operand_type reloc_types; /* Value obtained from lex_got(). */
33 const reg_entry *base; /* Base register (if any). */
34 const reg_entry *index; /* Index register (if any). */
35 offsetT scale_factor; /* Accumulated scale factor. */
40 /* offset X_add_symbol */
41 #define O_offset O_md32
42 /* offset X_add_symbol */
43 #define O_short O_md31
44 /* near ptr X_add_symbol */
45 #define O_near_ptr O_md30
46 /* far ptr X_add_symbol */
47 #define O_far_ptr O_md29
48 /* byte ptr X_add_symbol */
49 #define O_byte_ptr O_md28
50 /* word ptr X_add_symbol */
51 #define O_word_ptr O_md27
52 /* dword ptr X_add_symbol */
53 #define O_dword_ptr O_md26
54 /* qword ptr X_add_symbol */
55 #define O_qword_ptr O_md25
56 /* oword ptr X_add_symbol */
57 #define O_oword_ptr O_md24
58 /* fword ptr X_add_symbol */
59 #define O_fword_ptr O_md23
60 /* tbyte ptr X_add_symbol */
61 #define O_tbyte_ptr O_md22
62 /* xmmword ptr X_add_symbol */
63 #define O_xmmword_ptr O_md21
64 /* ymmword ptr X_add_symbol */
65 #define O_ymmword_ptr O_md20
66 /* zmmword ptr X_add_symbol */
67 #define O_zmmword_ptr O_md19
73 unsigned int operands;
75 const i386_operators[] =
77 { "and", O_bit_and, 2 },
83 { "mod", O_modulus, 2 },
85 { "not", O_bit_not, 1 },
86 { "offset", O_offset, 1 },
87 { "or", O_bit_inclusive_or, 2 },
88 { "shl", O_left_shift, 2 },
89 { "short", O_short, 1 },
90 { "shr", O_right_shift, 2 },
91 { "xor", O_bit_exclusive_or, 2 },
92 { NULL, O_illegal, 0 }
103 #define I386_TYPE(t, n) { #t, O_##t##_ptr, { n, n, n } }
109 I386_TYPE(tbyte, 10),
110 I386_TYPE(oword, 16),
111 I386_TYPE(xmmword, 16),
112 I386_TYPE(ymmword, 32),
113 I386_TYPE(zmmword, 64),
115 { "near", O_near_ptr, { 0xff04, 0xff02, 0xff08 } },
116 { "far", O_far_ptr, { 0xff06, 0xff05, 0xff06 } },
117 { NULL, O_illegal, { 0, 0, 0 } }
120 operatorT i386_operator (const char *name, unsigned int operands, char *pc)
131 switch (*input_line_pointer)
134 ++input_line_pointer;
137 ++input_line_pointer;
140 if (this_operand >= 0 && i.reloc[this_operand] == NO_RELOC)
143 char *gotfree_input_line = lex_got (&i.reloc[this_operand],
145 &intel_state.reloc_types,
146 (i.bnd_prefix != NULL
149 if (!gotfree_input_line)
151 free (gotfree_input_line);
152 *input_line_pointer++ = '+';
153 memset (input_line_pointer, '0', adjust - 1);
154 input_line_pointer[adjust - 1] = ' ';
162 for (j = 0; i386_operators[j].name; ++j)
163 if (strcasecmp (i386_operators[j].name, name) == 0)
165 if (i386_operators[j].operands
166 && i386_operators[j].operands != operands)
168 return i386_operators[j].op;
171 for (j = 0; i386_types[j].name; ++j)
172 if (strcasecmp (i386_types[j].name, name) == 0)
174 if (i386_types[j].name && *pc == ' ')
176 char *pname = ++input_line_pointer;
177 char c = get_symbol_end ();
179 if (strcasecmp (pname, "ptr") == 0)
183 if (intel_syntax > 0 || operands != 1)
185 return i386_types[j].op;
188 *input_line_pointer = c;
189 input_line_pointer = pname - 1;
195 static int i386_intel_parse_name (const char *name, expressionS *e)
199 if (! strcmp (name, "$"))
201 current_location (e);
205 for (j = 0; i386_types[j].name; ++j)
206 if (strcasecmp(i386_types[j].name, name) == 0)
208 e->X_op = O_constant;
209 e->X_add_number = i386_types[j].sz[flag_code];
210 e->X_add_symbol = NULL;
211 e->X_op_symbol = NULL;
218 static INLINE int i386_intel_check (const reg_entry *rreg,
219 const reg_entry *base,
220 const reg_entry *iindex)
222 if ((this_operand >= 0
223 && rreg != i.op[this_operand].regs)
224 || base != intel_state.base
225 || iindex != intel_state.index)
227 as_bad (_("invalid use of register"));
233 static INLINE void i386_intel_fold (expressionS *e, symbolS *sym)
235 expressionS *exp = symbol_get_value_expression (sym);
236 if (S_GET_SEGMENT (sym) == absolute_section)
238 offsetT val = e->X_add_number;
241 e->X_add_number += val;
245 if (exp->X_op == O_symbol
246 && strcmp (S_GET_NAME (exp->X_add_symbol),
247 GLOBAL_OFFSET_TABLE_NAME) == 0)
248 sym = exp->X_add_symbol;
249 e->X_add_symbol = sym;
250 e->X_op_symbol = NULL;
256 i386_intel_simplify_register (expressionS *e)
260 if (this_operand < 0 || intel_state.in_offset)
262 as_bad (_("invalid use of register"));
266 if (e->X_op == O_register)
267 reg_num = e->X_add_number;
269 reg_num = e->X_md - 1;
271 if (!intel_state.in_bracket)
273 if (i.op[this_operand].regs)
275 as_bad (_("invalid use of register"));
278 if (i386_regtab[reg_num].reg_type.bitfield.sreg3
279 && i386_regtab[reg_num].reg_num == RegFlat)
281 as_bad (_("invalid use of pseudo-register"));
284 i.op[this_operand].regs = i386_regtab + reg_num;
286 else if (!intel_state.index
287 && (i386_regtab[reg_num].reg_type.bitfield.regxmm
288 || i386_regtab[reg_num].reg_type.bitfield.regymm
289 || i386_regtab[reg_num].reg_type.bitfield.regzmm))
290 intel_state.index = i386_regtab + reg_num;
291 else if (!intel_state.base && !intel_state.in_scale)
292 intel_state.base = i386_regtab + reg_num;
293 else if (!intel_state.index)
295 if (intel_state.in_scale
296 || i386_regtab[reg_num].reg_type.bitfield.baseindex)
297 intel_state.index = i386_regtab + reg_num;
300 /* Convert base to index and make ESP/RSP the base. */
301 intel_state.index = intel_state.base;
302 intel_state.base = i386_regtab + reg_num;
307 /* esp is invalid as index */
308 intel_state.index = i386_regtab + REGNAM_EAX + ESP_REG_NUM;
313 static int i386_intel_simplify (expressionS *);
315 static INLINE int i386_intel_simplify_symbol(symbolS *sym)
317 int ret = i386_intel_simplify (symbol_get_value_expression (sym));
321 S_SET_SEGMENT(sym, absolute_section);
327 static int i386_intel_simplify (expressionS *e)
329 const reg_entry *the_reg = (this_operand >= 0
330 ? i.op[this_operand].regs : NULL);
331 const reg_entry *base = intel_state.base;
332 const reg_entry *state_index = intel_state.index;
343 if (!i386_intel_simplify_symbol (e->X_add_symbol)
344 || !i386_intel_check(the_reg, intel_state.base,
348 if (!intel_state.in_offset)
349 ++intel_state.in_bracket;
350 ret = i386_intel_simplify_symbol (e->X_op_symbol);
351 if (!intel_state.in_offset)
352 --intel_state.in_bracket;
358 i386_intel_fold (e, e->X_op_symbol);
362 intel_state.has_offset = 1;
363 ++intel_state.in_offset;
364 ret = i386_intel_simplify_symbol (e->X_add_symbol);
365 --intel_state.in_offset;
366 if (!ret || !i386_intel_check(the_reg, base, state_index))
368 i386_intel_fold (e, e->X_add_symbol);
383 if (intel_state.op_modifier == O_absent)
384 intel_state.op_modifier = e->X_op;
387 if (symbol_get_value_expression (e->X_add_symbol)->X_op
390 as_bad (_("invalid use of register"));
393 if (!i386_intel_simplify_symbol (e->X_add_symbol))
395 i386_intel_fold (e, e->X_add_symbol);
399 if (symbol_get_value_expression (e->X_op_symbol)->X_op
402 as_bad (_("invalid use of register"));
405 if (!i386_intel_simplify_symbol (e->X_op_symbol)
406 || !i386_intel_check(the_reg, intel_state.base,
409 if (!intel_state.in_offset)
410 intel_state.seg = e->X_add_symbol;
411 i386_intel_fold (e, e->X_op_symbol);
415 if (this_operand >= 0 && intel_state.in_bracket)
417 expressionS *scale = NULL;
419 if (intel_state.index)
422 if (!intel_state.in_scale++)
423 intel_state.scale_factor = 1;
425 ret = i386_intel_simplify_symbol (e->X_add_symbol);
426 if (ret && !scale && intel_state.index)
427 scale = symbol_get_value_expression (e->X_op_symbol);
430 ret = i386_intel_simplify_symbol (e->X_op_symbol);
431 if (ret && !scale && intel_state.index)
432 scale = symbol_get_value_expression (e->X_add_symbol);
434 if (ret && scale && (scale + 1))
436 resolve_expression (scale);
437 if (scale->X_op != O_constant
438 || intel_state.index->reg_type.bitfield.reg16)
439 scale->X_add_number = 0;
440 intel_state.scale_factor *= scale->X_add_number;
443 --intel_state.in_scale;
447 if (!intel_state.in_scale)
448 switch (intel_state.scale_factor)
451 i.log2_scale_factor = 0;
454 i.log2_scale_factor = 1;
457 i.log2_scale_factor = 2;
460 i.log2_scale_factor = 3;
463 /* esp is invalid as index */
464 intel_state.index = i386_regtab + REGNAM_EAX + ESP_REG_NUM;
473 ret = i386_intel_simplify_register (e);
476 gas_assert (e->X_add_number < (unsigned short) -1);
477 e->X_md = (unsigned short) e->X_add_number + 1;
478 e->X_op = O_constant;
485 return i386_intel_simplify_register (e);
491 && !i386_intel_simplify_symbol (e->X_add_symbol))
493 if (e->X_op == O_add || e->X_op == O_subtract)
495 base = intel_state.base;
496 state_index = intel_state.index;
498 if (!i386_intel_check (the_reg, base, state_index)
500 && !i386_intel_simplify_symbol (e->X_op_symbol))
501 || !i386_intel_check (the_reg,
503 ? base : intel_state.base),
505 ? state_index : intel_state.index)))
510 if (this_operand >= 0
511 && e->X_op == O_symbol
512 && !intel_state.in_offset)
514 segT seg = S_GET_SEGMENT (e->X_add_symbol);
516 if (seg != absolute_section
517 && seg != reg_section
518 && seg != expr_section)
519 intel_state.is_mem |= 2 - !intel_state.in_bracket;
525 int i386_need_index_operator (void)
527 return intel_syntax < 0;
531 i386_intel_operand (char *operand_string, int got_a_float)
533 char *saved_input_line_pointer, *buf;
535 expressionS exp, *expP;
539 /* Handle vector immediates. */
540 if (RC_SAE_immediate (operand_string))
543 /* Initialize state structure. */
544 intel_state.op_modifier = O_absent;
545 intel_state.is_mem = 0;
546 intel_state.is_indirect = 0;
547 intel_state.has_offset = 0;
548 intel_state.base = NULL;
549 intel_state.index = NULL;
550 intel_state.seg = NULL;
551 operand_type_set (&intel_state.reloc_types, ~0);
552 gas_assert (!intel_state.in_offset);
553 gas_assert (!intel_state.in_bracket);
554 gas_assert (!intel_state.in_scale);
556 saved_input_line_pointer = input_line_pointer;
557 input_line_pointer = buf = xstrdup (operand_string);
560 memset (&exp, 0, sizeof(exp));
561 exp_seg = expression (&exp);
562 ret = i386_intel_simplify (&exp);
567 /* Handle vector operations. */
568 if (*input_line_pointer == '{')
570 char *end = check_VecOperations (input_line_pointer, NULL);
572 input_line_pointer = end;
577 if (!is_end_of_line[(unsigned char) *input_line_pointer])
579 as_bad (_("junk `%s' after expression"), input_line_pointer);
582 else if (exp.X_op == O_illegal || exp.X_op == O_absent)
584 as_bad (_("invalid expression"));
587 else if (!intel_state.has_offset
588 && input_line_pointer > buf
589 && *(input_line_pointer - 1) == ']')
591 intel_state.is_mem |= 1;
592 intel_state.is_indirect = 1;
595 input_line_pointer = saved_input_line_pointer;
598 gas_assert (!intel_state.in_offset);
599 gas_assert (!intel_state.in_bracket);
600 gas_assert (!intel_state.in_scale);
605 if (intel_state.op_modifier != O_absent
606 && current_templates->start->base_opcode != 0x8d /* lea */)
608 i.types[this_operand].bitfield.unspecified = 0;
610 switch (intel_state.op_modifier)
613 i.types[this_operand].bitfield.byte = 1;
614 suffix = BYTE_MNEM_SUFFIX;
618 i.types[this_operand].bitfield.word = 1;
619 if ((current_templates->start->name[0] == 'l'
620 && current_templates->start->name[2] == 's'
621 && current_templates->start->name[3] == 0)
622 || current_templates->start->base_opcode == 0x62 /* bound */)
623 suffix = BYTE_MNEM_SUFFIX; /* so it will cause an error */
624 else if (got_a_float == 2) /* "fi..." */
625 suffix = SHORT_MNEM_SUFFIX;
627 suffix = WORD_MNEM_SUFFIX;
631 i.types[this_operand].bitfield.dword = 1;
632 if ((current_templates->start->name[0] == 'l'
633 && current_templates->start->name[2] == 's'
634 && current_templates->start->name[3] == 0)
635 || current_templates->start->base_opcode == 0x62 /* bound */)
636 suffix = WORD_MNEM_SUFFIX;
637 else if (flag_code == CODE_16BIT
638 && (current_templates->start->opcode_modifier.jump
639 || current_templates->start->opcode_modifier.jumpdword))
640 suffix = LONG_DOUBLE_MNEM_SUFFIX;
641 else if (got_a_float == 1) /* "f..." */
642 suffix = SHORT_MNEM_SUFFIX;
644 suffix = LONG_MNEM_SUFFIX;
648 i.types[this_operand].bitfield.fword = 1;
649 if (current_templates->start->name[0] == 'l'
650 && current_templates->start->name[2] == 's'
651 && current_templates->start->name[3] == 0)
652 suffix = LONG_MNEM_SUFFIX;
653 else if (!got_a_float)
655 if (flag_code == CODE_16BIT)
656 add_prefix (DATA_PREFIX_OPCODE);
657 suffix = LONG_DOUBLE_MNEM_SUFFIX;
660 suffix = BYTE_MNEM_SUFFIX; /* so it will cause an error */
664 i.types[this_operand].bitfield.qword = 1;
665 if (current_templates->start->base_opcode == 0x62 /* bound */
666 || got_a_float == 1) /* "f..." */
667 suffix = LONG_MNEM_SUFFIX;
669 suffix = QWORD_MNEM_SUFFIX;
673 i.types[this_operand].bitfield.tbyte = 1;
674 if (got_a_float == 1)
675 suffix = LONG_DOUBLE_MNEM_SUFFIX;
677 suffix = BYTE_MNEM_SUFFIX; /* so it will cause an error */
682 i.types[this_operand].bitfield.xmmword = 1;
683 suffix = XMMWORD_MNEM_SUFFIX;
687 i.types[this_operand].bitfield.ymmword = 1;
688 suffix = YMMWORD_MNEM_SUFFIX;
692 i.types[this_operand].bitfield.zmmword = 1;
693 suffix = ZMMWORD_MNEM_SUFFIX;
697 suffix = LONG_DOUBLE_MNEM_SUFFIX;
700 if (!current_templates->start->opcode_modifier.jump
701 && !current_templates->start->opcode_modifier.jumpdword)
702 suffix = got_a_float /* so it will cause an error */
704 : LONG_DOUBLE_MNEM_SUFFIX;
708 BAD_CASE (intel_state.op_modifier);
714 else if (i.suffix != suffix)
716 as_bad (_("conflicting operand size modifiers"));
721 /* Operands for jump/call need special consideration. */
722 if (current_templates->start->opcode_modifier.jump
723 || current_templates->start->opcode_modifier.jumpdword
724 || current_templates->start->opcode_modifier.jumpintersegment)
726 if (i.op[this_operand].regs
729 || intel_state.is_mem > 1)
730 i.types[this_operand].bitfield.jumpabsolute = 1;
732 switch (intel_state.op_modifier)
736 i.types[this_operand].bitfield.jumpabsolute = 1;
738 intel_state.is_mem = 1;
742 if (!intel_state.seg)
744 intel_state.is_mem = 1;
745 if (intel_state.op_modifier == O_absent)
747 if (intel_state.is_indirect == 1)
748 i.types[this_operand].bitfield.jumpabsolute = 1;
751 as_bad (_("cannot infer the segment part of the operand"));
754 else if (S_GET_SEGMENT (intel_state.seg) == reg_section)
755 i.types[this_operand].bitfield.jumpabsolute = 1;
758 i386_operand_type types;
760 if (i.imm_operands >= MAX_IMMEDIATE_OPERANDS)
762 as_bad (_("at most %d immediate operands are allowed"),
763 MAX_IMMEDIATE_OPERANDS);
766 expP = &im_expressions[i.imm_operands++];
767 memset (expP, 0, sizeof(*expP));
768 expP->X_op = O_symbol;
769 expP->X_add_symbol = intel_state.seg;
770 i.op[this_operand].imms = expP;
772 resolve_expression (expP);
773 operand_type_set (&types, ~0);
774 if (!i386_finalize_immediate (S_GET_SEGMENT (intel_state.seg),
775 expP, types, operand_string))
777 if (i.operands < MAX_OPERANDS)
779 this_operand = i.operands++;
780 i.types[this_operand].bitfield.unspecified = 1;
782 if (suffix == LONG_DOUBLE_MNEM_SUFFIX)
784 intel_state.seg = NULL;
785 intel_state.is_mem = 0;
789 i.types[this_operand].bitfield.jumpabsolute = 1;
792 if (i.types[this_operand].bitfield.jumpabsolute)
793 intel_state.is_mem |= 1;
795 else if (intel_state.seg)
796 intel_state.is_mem |= 1;
798 if (i.op[this_operand].regs)
800 i386_operand_type temp;
802 /* Register operand. */
803 if (intel_state.base || intel_state.index || intel_state.seg)
805 as_bad (_("invalid operand"));
809 temp = i.op[this_operand].regs->reg_type;
810 temp.bitfield.baseindex = 0;
811 i.types[this_operand] = operand_type_or (i.types[this_operand],
813 i.types[this_operand].bitfield.unspecified = 0;
816 else if (intel_state.base
819 || intel_state.is_mem)
821 /* Memory operand. */
822 if ((int) i.mem_operands
823 >= 2 - !current_templates->start->opcode_modifier.isstring)
827 call 0x9090,0x90909090
828 lcall 0x9090,0x90909090
829 jmp 0x9090,0x90909090
830 ljmp 0x9090,0x90909090
833 if ((current_templates->start->opcode_modifier.jumpintersegment
834 || current_templates->start->opcode_modifier.jumpdword
835 || current_templates->start->opcode_modifier.jump)
837 && intel_state.seg == NULL
838 && i.mem_operands == 1
839 && i.disp_operands == 1
840 && intel_state.op_modifier == O_absent)
842 /* Try to process the first operand as immediate, */
844 if (i386_finalize_immediate (exp_seg, i.op[0].imms,
845 intel_state.reloc_types,
849 expP = &im_expressions[0];
850 i.op[this_operand].imms = expP;
853 /* Try to process the second operand as immediate, */
854 if (i386_finalize_immediate (exp_seg, expP,
855 intel_state.reloc_types,
861 i.types[0].bitfield.mem = 0;
862 i.types[0].bitfield.disp16 = 0;
863 i.types[0].bitfield.disp32 = 0;
864 i.types[0].bitfield.disp32s = 0;
870 as_bad (_("too many memory references for `%s'"),
871 current_templates->start->name);
875 expP = &disp_expressions[i.disp_operands];
876 memcpy (expP, &exp, sizeof(exp));
877 resolve_expression (expP);
879 if (expP->X_op != O_constant
880 || expP->X_add_number
881 || (!intel_state.base
882 && !intel_state.index))
884 i.op[this_operand].disps = expP;
887 if (flag_code == CODE_64BIT)
889 i.types[this_operand].bitfield.disp32 = 1;
890 if (!i.prefix[ADDR_PREFIX])
892 i.types[this_operand].bitfield.disp64 = 1;
893 i.types[this_operand].bitfield.disp32s = 1;
896 else if (!i.prefix[ADDR_PREFIX] ^ (flag_code == CODE_16BIT))
897 i.types[this_operand].bitfield.disp32 = 1;
899 i.types[this_operand].bitfield.disp16 = 1;
901 #if defined (OBJ_AOUT) || defined (OBJ_MAYBE_AOUT)
903 * exp_seg is used only for verification in
904 * i386_finalize_displacement, and we can end up seeing reg_section
905 * here - but we know we removed all registers from the expression
906 * (or error-ed on any remaining ones) in i386_intel_simplify. I
907 * consider the check in i386_finalize_displacement bogus anyway, in
908 * particular because it doesn't allow for expr_section, so I'd
909 * rather see that check (and the similar one in
910 * i386_finalize_immediate) use SEG_NORMAL(), but not being an a.out
911 * expert I can't really say whether that would have other bad side
914 if (OUTPUT_FLAVOR == bfd_target_aout_flavour
915 && exp_seg == reg_section)
916 exp_seg = expP->X_op != O_constant ? undefined_section
920 if (!i386_finalize_displacement (exp_seg, expP,
921 intel_state.reloc_types,
926 if (intel_state.base || intel_state.index)
927 i.types[this_operand].bitfield.baseindex = 1;
933 expP = symbol_get_value_expression (intel_state.seg);
934 if (expP->X_op != O_full_ptr)
936 intel_state.seg = expP->X_add_symbol;
938 if (expP->X_op != O_register)
940 as_bad (_("segment register name expected"));
943 if (!i386_regtab[expP->X_add_number].reg_type.bitfield.sreg2
944 && !i386_regtab[expP->X_add_number].reg_type.bitfield.sreg3)
946 as_bad (_("invalid use of register"));
949 switch (i386_regtab[expP->X_add_number].reg_num)
951 case 0: i.seg[i.mem_operands] = &es; break;
952 case 1: i.seg[i.mem_operands] = &cs; break;
953 case 2: i.seg[i.mem_operands] = &ss; break;
954 case 3: i.seg[i.mem_operands] = &ds; break;
955 case 4: i.seg[i.mem_operands] = &fs; break;
956 case 5: i.seg[i.mem_operands] = &gs; break;
957 case RegFlat: i.seg[i.mem_operands] = NULL; break;
961 /* Swap base and index in 16-bit memory operands like
962 [si+bx]. Since i386_index_check is also used in AT&T
963 mode we have to do that here. */
966 && intel_state.base->reg_type.bitfield.reg16
967 && intel_state.index->reg_type.bitfield.reg16
968 && intel_state.base->reg_num >= 6
969 && intel_state.index->reg_num < 6)
971 i.base_reg = intel_state.index;
972 i.index_reg = intel_state.base;
976 i.base_reg = intel_state.base;
977 i.index_reg = intel_state.index;
980 if (!i386_index_check (operand_string))
983 i.types[this_operand].bitfield.mem = 1;
989 if (i.imm_operands >= MAX_IMMEDIATE_OPERANDS)
991 as_bad (_("at most %d immediate operands are allowed"),
992 MAX_IMMEDIATE_OPERANDS);
996 expP = &im_expressions[i.imm_operands++];
997 i.op[this_operand].imms = expP;
1000 return i386_finalize_immediate (exp_seg, expP, intel_state.reloc_types,