1 /* Assembler interface for targets using CGEN. -*- C -*-
2 CGEN: Cpu tools GENerator
4 THIS FILE IS MACHINE GENERATED WITH CGEN.
5 - the resultant file is machine generated, cgen-asm.in isn't
7 Copyright 1996, 1997, 1998, 1999, 2000, 2001 Free Software Foundation, Inc.
9 This file is part of the GNU Binutils and GDB, the GNU debugger.
11 This program is free software; you can redistribute it and/or modify
12 it under the terms of the GNU General Public License as published by
13 the Free Software Foundation; either version 2, or (at your option)
16 This program is distributed in the hope that it will be useful,
17 but WITHOUT ANY WARRANTY; without even the implied warranty of
18 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
19 GNU General Public License for more details.
21 You should have received a copy of the GNU General Public License
22 along with this program; if not, write to the Free Software Foundation, Inc.,
23 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */
25 /* ??? Eventually more and more of this stuff can go to cpu-independent files.
33 #include "iq2000-desc.h"
34 #include "iq2000-opc.h"
37 #include "libiberty.h"
38 #include "safe-ctype.h"
41 #define min(a,b) ((a) < (b) ? (a) : (b))
43 #define max(a,b) ((a) > (b) ? (a) : (b))
45 static const char * parse_insn_normal
46 (CGEN_CPU_DESC, const CGEN_INSN *, const char **, CGEN_FIELDS *);
48 /* -- assembler routines inserted here. */
51 static const char * parse_mimm PARAMS ((CGEN_CPU_DESC, const char **, int, long *));
52 static const char * parse_imm PARAMS ((CGEN_CPU_DESC, const char **, int, unsigned long *));
53 static const char * parse_hi16 PARAMS ((CGEN_CPU_DESC, const char **, int, unsigned long *));
54 static const char * parse_lo16 PARAMS ((CGEN_CPU_DESC, const char **, int, long *));
56 /* Special check to ensure that instruction exists for given machine */
58 iq2000_cgen_insn_supported (cd, insn)
62 int machs = cd->machs;
64 return ((CGEN_INSN_ATTR_VALUE (insn, CGEN_INSN_MACH) & machs) != 0);
67 static int iq2000_cgen_isa_register (strp)
72 if (**strp == 'r' || **strp == 'R')
78 if ('0' <= ch1 && ch1 <= '9')
85 if (('1' <= ch1 && ch1 <= '2') && ('0' <= ch2 && ch2 <= '9'))
87 if ('3' == ch1 && (ch2 == '0' || ch2 == '1'))
91 if (**strp == '%' && tolower((*strp)[1]) != 'l' && tolower((*strp)[1]) != 'h')
96 /* Handle negated literal. */
99 parse_mimm (cd, strp, opindex, valuep)
108 /* Verify this isn't a register */
109 if (iq2000_cgen_isa_register (strp))
110 errmsg = _("immediate value cannot be register");
115 errmsg = cgen_parse_signed_integer (cd, strp, opindex, & value);
118 long x = (-value) & 0xFFFF0000;
119 if (x != 0 && x != 0xFFFF0000)
120 errmsg = _("immediate value out of range");
122 *valuep = (-value & 0xFFFF);
128 /* Handle signed/unsigned literal. */
131 parse_imm (cd, strp, opindex, valuep)
135 unsigned long *valuep;
140 if (iq2000_cgen_isa_register (strp))
141 errmsg = _("immediate value cannot be register");
146 errmsg = cgen_parse_signed_integer (cd, strp, opindex, & value);
149 long x = value & 0xFFFF0000;
150 if (x != 0 && x != 0xFFFF0000)
151 errmsg = _("immediate value out of range");
153 *valuep = (value & 0xFFFF);
159 /* Handle iq10 21-bit jmp offset. */
162 parse_jtargq10 (cd, strp, opindex, reloc, type_addr, valuep)
167 enum cgen_parse_operand_result *type_addr;
168 unsigned long *valuep;
172 enum cgen_parse_operand_result result_type = CGEN_PARSE_OPERAND_RESULT_NUMBER;
174 errmsg = cgen_parse_address (cd, strp, opindex, BFD_RELOC_IQ2000_OFFSET_21,
175 &result_type, &value);
176 if (errmsg == NULL && result_type == CGEN_PARSE_OPERAND_RESULT_NUMBER)
178 /* check value is within 23-bits (remembering that 2-bit shift right will occur) */
179 if (value > 0x7fffff)
180 return _("21-bit offset out of range");
182 *valuep = (value & 0x7FFFFF);
189 parse_hi16 (cd, strp, opindex, valuep)
193 unsigned long *valuep;
195 if (strncasecmp (*strp, "%hi(", 4) == 0)
197 enum cgen_parse_operand_result result_type;
202 errmsg = cgen_parse_address (cd, strp, opindex, BFD_RELOC_HI16,
203 &result_type, &value);
205 return _("missing `)'");
209 && result_type == CGEN_PARSE_OPERAND_RESULT_NUMBER)
211 /* if value has top-bit of %lo on, then it will
212 sign-propagate and so we compensate by adding
213 1 to the resultant %hi value */
223 /* we add %uhi in case a user just wants the high 16-bits or is using
224 an insn like ori for %lo which does not sign-propagate */
225 if (strncasecmp (*strp, "%uhi(", 5) == 0)
227 enum cgen_parse_operand_result result_type;
232 errmsg = cgen_parse_address (cd, strp, opindex, BFD_RELOC_IQ2000_UHI16,
233 &result_type, &value);
235 return _("missing `)'");
239 && result_type == CGEN_PARSE_OPERAND_RESULT_NUMBER)
248 return parse_imm (cd, strp, opindex, valuep);
251 /* Handle %lo in a signed context.
252 The signedness of the value doesn't matter to %lo(), but this also
253 handles the case where %lo() isn't present. */
256 parse_lo16 (cd, strp, opindex, valuep)
262 if (strncasecmp (*strp, "%lo(", 4) == 0)
265 enum cgen_parse_operand_result result_type;
269 errmsg = cgen_parse_address (cd, strp, opindex, BFD_RELOC_LO16,
270 &result_type, &value);
272 return _("missing `)'");
275 && result_type == CGEN_PARSE_OPERAND_RESULT_NUMBER)
281 return parse_imm (cd, strp, opindex, valuep);
284 /* Handle %lo in a negated signed context.
285 The signedness of the value doesn't matter to %lo(), but this also
286 handles the case where %lo() isn't present. */
289 parse_mlo16 (cd, strp, opindex, valuep)
295 if (strncasecmp (*strp, "%lo(", 4) == 0)
298 enum cgen_parse_operand_result result_type;
302 errmsg = cgen_parse_address (cd, strp, opindex, BFD_RELOC_LO16,
303 &result_type, &value);
305 return _("missing `)'");
308 && result_type == CGEN_PARSE_OPERAND_RESULT_NUMBER)
309 value = (-value) & 0xffff;
314 return parse_mimm (cd, strp, opindex, valuep);
319 const char * iq2000_cgen_parse_operand
320 PARAMS ((CGEN_CPU_DESC, int, const char **, CGEN_FIELDS *));
322 /* Main entry point for operand parsing.
324 This function is basically just a big switch statement. Earlier versions
325 used tables to look up the function to use, but
326 - if the table contains both assembler and disassembler functions then
327 the disassembler contains much of the assembler and vice-versa,
328 - there's a lot of inlining possibilities as things grow,
329 - using a switch statement avoids the function call overhead.
331 This function could be moved into `parse_insn_normal', but keeping it
332 separate makes clear the interface between `parse_insn_normal' and each of
336 iq2000_cgen_parse_operand (cd, opindex, strp, fields)
340 CGEN_FIELDS * fields;
342 const char * errmsg = NULL;
343 /* Used by scalar operands that still need to be parsed. */
344 long junk ATTRIBUTE_UNUSED;
348 case IQ2000_OPERAND_BASE :
349 errmsg = cgen_parse_keyword (cd, strp, & iq2000_cgen_opval_gr_names, & fields->f_rs);
351 case IQ2000_OPERAND_BASEOFF :
354 errmsg = cgen_parse_address (cd, strp, IQ2000_OPERAND_BASEOFF, 0, NULL, & value);
355 fields->f_imm = value;
358 case IQ2000_OPERAND_BITNUM :
359 errmsg = cgen_parse_unsigned_integer (cd, strp, IQ2000_OPERAND_BITNUM, &fields->f_rt);
361 case IQ2000_OPERAND_BYTECOUNT :
362 errmsg = cgen_parse_unsigned_integer (cd, strp, IQ2000_OPERAND_BYTECOUNT, &fields->f_bytecount);
364 case IQ2000_OPERAND_CAM_Y :
365 errmsg = cgen_parse_unsigned_integer (cd, strp, IQ2000_OPERAND_CAM_Y, &fields->f_cam_y);
367 case IQ2000_OPERAND_CAM_Z :
368 errmsg = cgen_parse_unsigned_integer (cd, strp, IQ2000_OPERAND_CAM_Z, &fields->f_cam_z);
370 case IQ2000_OPERAND_CM_3FUNC :
371 errmsg = cgen_parse_unsigned_integer (cd, strp, IQ2000_OPERAND_CM_3FUNC, &fields->f_cm_3func);
373 case IQ2000_OPERAND_CM_3Z :
374 errmsg = cgen_parse_unsigned_integer (cd, strp, IQ2000_OPERAND_CM_3Z, &fields->f_cm_3z);
376 case IQ2000_OPERAND_CM_4FUNC :
377 errmsg = cgen_parse_unsigned_integer (cd, strp, IQ2000_OPERAND_CM_4FUNC, &fields->f_cm_4func);
379 case IQ2000_OPERAND_CM_4Z :
380 errmsg = cgen_parse_unsigned_integer (cd, strp, IQ2000_OPERAND_CM_4Z, &fields->f_cm_4z);
382 case IQ2000_OPERAND_COUNT :
383 errmsg = cgen_parse_unsigned_integer (cd, strp, IQ2000_OPERAND_COUNT, &fields->f_count);
385 case IQ2000_OPERAND_EXECODE :
386 errmsg = cgen_parse_unsigned_integer (cd, strp, IQ2000_OPERAND_EXECODE, &fields->f_excode);
388 case IQ2000_OPERAND_F_INDEX :
389 errmsg = cgen_parse_unsigned_integer (cd, strp, IQ2000_OPERAND_F_INDEX, &fields->f_index);
391 case IQ2000_OPERAND_HI16 :
392 errmsg = parse_hi16 (cd, strp, IQ2000_OPERAND_HI16, &fields->f_imm);
394 case IQ2000_OPERAND_IMM :
395 errmsg = parse_imm (cd, strp, IQ2000_OPERAND_IMM, &fields->f_imm);
397 case IQ2000_OPERAND_JMPTARG :
400 errmsg = cgen_parse_address (cd, strp, IQ2000_OPERAND_JMPTARG, 0, NULL, & value);
401 fields->f_jtarg = value;
404 case IQ2000_OPERAND_JMPTARGQ10 :
407 errmsg = parse_jtargq10 (cd, strp, IQ2000_OPERAND_JMPTARGQ10, 0, NULL, & value);
408 fields->f_jtargq10 = value;
411 case IQ2000_OPERAND_LO16 :
412 errmsg = parse_lo16 (cd, strp, IQ2000_OPERAND_LO16, &fields->f_imm);
414 case IQ2000_OPERAND_MASK :
415 errmsg = cgen_parse_unsigned_integer (cd, strp, IQ2000_OPERAND_MASK, &fields->f_mask);
417 case IQ2000_OPERAND_MASKL :
418 errmsg = cgen_parse_unsigned_integer (cd, strp, IQ2000_OPERAND_MASKL, &fields->f_maskl);
420 case IQ2000_OPERAND_MASKQ10 :
421 errmsg = cgen_parse_unsigned_integer (cd, strp, IQ2000_OPERAND_MASKQ10, &fields->f_maskq10);
423 case IQ2000_OPERAND_MASKR :
424 errmsg = cgen_parse_unsigned_integer (cd, strp, IQ2000_OPERAND_MASKR, &fields->f_rs);
426 case IQ2000_OPERAND_MLO16 :
427 errmsg = parse_mlo16 (cd, strp, IQ2000_OPERAND_MLO16, &fields->f_imm);
429 case IQ2000_OPERAND_OFFSET :
432 errmsg = cgen_parse_address (cd, strp, IQ2000_OPERAND_OFFSET, 0, NULL, & value);
433 fields->f_offset = value;
436 case IQ2000_OPERAND_RD :
437 errmsg = cgen_parse_keyword (cd, strp, & iq2000_cgen_opval_gr_names, & fields->f_rd);
439 case IQ2000_OPERAND_RD_RS :
440 errmsg = cgen_parse_keyword (cd, strp, & iq2000_cgen_opval_gr_names, & fields->f_rd_rs);
442 case IQ2000_OPERAND_RD_RT :
443 errmsg = cgen_parse_keyword (cd, strp, & iq2000_cgen_opval_gr_names, & fields->f_rd_rt);
445 case IQ2000_OPERAND_RS :
446 errmsg = cgen_parse_keyword (cd, strp, & iq2000_cgen_opval_gr_names, & fields->f_rs);
448 case IQ2000_OPERAND_RT :
449 errmsg = cgen_parse_keyword (cd, strp, & iq2000_cgen_opval_gr_names, & fields->f_rt);
451 case IQ2000_OPERAND_RT_RS :
452 errmsg = cgen_parse_keyword (cd, strp, & iq2000_cgen_opval_gr_names, & fields->f_rt_rs);
454 case IQ2000_OPERAND_SHAMT :
455 errmsg = cgen_parse_unsigned_integer (cd, strp, IQ2000_OPERAND_SHAMT, &fields->f_shamt);
459 /* xgettext:c-format */
460 fprintf (stderr, _("Unrecognized field %d while parsing.\n"), opindex);
467 cgen_parse_fn * const iq2000_cgen_parse_handlers[] =
473 iq2000_cgen_init_asm (cd)
476 iq2000_cgen_init_opcode_table (cd);
477 iq2000_cgen_init_ibld_table (cd);
478 cd->parse_handlers = & iq2000_cgen_parse_handlers[0];
479 cd->parse_operand = iq2000_cgen_parse_operand;
484 /* Regex construction routine.
486 This translates an opcode syntax string into a regex string,
487 by replacing any non-character syntax element (such as an
488 opcode) with the pattern '.*'
490 It then compiles the regex and stores it in the opcode, for
491 later use by iq2000_cgen_assemble_insn
493 Returns NULL for success, an error message for failure. */
496 iq2000_cgen_build_insn_regex (CGEN_INSN *insn)
498 CGEN_OPCODE *opc = (CGEN_OPCODE *) CGEN_INSN_OPCODE (insn);
499 const char *mnem = CGEN_INSN_MNEMONIC (insn);
500 char rxbuf[CGEN_MAX_RX_ELEMENTS];
502 const CGEN_SYNTAX_CHAR_TYPE *syn;
505 syn = CGEN_SYNTAX_STRING (CGEN_OPCODE_SYNTAX (opc));
507 /* Mnemonics come first in the syntax string. */
508 if (! CGEN_SYNTAX_MNEMONIC_P (* syn))
509 return _("missing mnemonic in syntax string");
512 /* Generate a case sensitive regular expression that emulates case
513 insensitive matching in the "C" locale. We cannot generate a case
514 insensitive regular expression because in Turkish locales, 'i' and 'I'
515 are not equal modulo case conversion. */
517 /* Copy the literal mnemonic out of the insn. */
518 for (; *mnem; mnem++)
533 /* Copy any remaining literals from the syntax string into the rx. */
534 for(; * syn != 0 && rx <= rxbuf + (CGEN_MAX_RX_ELEMENTS - 7 - 4); ++syn)
536 if (CGEN_SYNTAX_CHAR_P (* syn))
538 char c = CGEN_SYNTAX_CHAR (* syn);
542 /* Escape any regex metacharacters in the syntax. */
543 case '.': case '[': case '\\':
544 case '*': case '^': case '$':
546 #ifdef CGEN_ESCAPE_EXTENDED_REGEX
547 case '?': case '{': case '}':
548 case '(': case ')': case '*':
549 case '|': case '+': case ']':
570 /* Replace non-syntax fields with globs. */
576 /* Trailing whitespace ok. */
583 /* But anchor it after that. */
587 CGEN_INSN_RX (insn) = xmalloc (sizeof (regex_t));
588 reg_err = regcomp ((regex_t *) CGEN_INSN_RX (insn), rxbuf, REG_NOSUB);
596 regerror (reg_err, (regex_t *) CGEN_INSN_RX (insn), msg, 80);
597 regfree ((regex_t *) CGEN_INSN_RX (insn));
598 free (CGEN_INSN_RX (insn));
599 (CGEN_INSN_RX (insn)) = NULL;
605 /* Default insn parser.
607 The syntax string is scanned and operands are parsed and stored in FIELDS.
608 Relocs are queued as we go via other callbacks.
610 ??? Note that this is currently an all-or-nothing parser. If we fail to
611 parse the instruction, we return 0 and the caller will start over from
612 the beginning. Backtracking will be necessary in parsing subexpressions,
613 but that can be handled there. Not handling backtracking here may get
614 expensive in the case of the m68k. Deal with later.
616 Returns NULL for success, an error message for failure. */
619 parse_insn_normal (CGEN_CPU_DESC cd,
620 const CGEN_INSN *insn,
624 /* ??? Runtime added insns not handled yet. */
625 const CGEN_SYNTAX *syntax = CGEN_INSN_SYNTAX (insn);
626 const char *str = *strp;
629 const CGEN_SYNTAX_CHAR_TYPE * syn;
630 #ifdef CGEN_MNEMONIC_OPERANDS
635 /* For now we assume the mnemonic is first (there are no leading operands).
636 We can parse it without needing to set up operand parsing.
637 GAS's input scrubber will ensure mnemonics are lowercase, but we may
638 not be called from GAS. */
639 p = CGEN_INSN_MNEMONIC (insn);
640 while (*p && TOLOWER (*p) == TOLOWER (*str))
644 return _("unrecognized instruction");
646 #ifndef CGEN_MNEMONIC_OPERANDS
647 if (* str && ! ISSPACE (* str))
648 return _("unrecognized instruction");
651 CGEN_INIT_PARSE (cd);
652 cgen_init_parse_operand (cd);
653 #ifdef CGEN_MNEMONIC_OPERANDS
657 /* We don't check for (*str != '\0') here because we want to parse
658 any trailing fake arguments in the syntax string. */
659 syn = CGEN_SYNTAX_STRING (syntax);
661 /* Mnemonics come first for now, ensure valid string. */
662 if (! CGEN_SYNTAX_MNEMONIC_P (* syn))
669 /* Non operand chars must match exactly. */
670 if (CGEN_SYNTAX_CHAR_P (* syn))
672 /* FIXME: While we allow for non-GAS callers above, we assume the
673 first char after the mnemonic part is a space. */
674 /* FIXME: We also take inappropriate advantage of the fact that
675 GAS's input scrubber will remove extraneous blanks. */
676 if (TOLOWER (*str) == TOLOWER (CGEN_SYNTAX_CHAR (* syn)))
678 #ifdef CGEN_MNEMONIC_OPERANDS
679 if (CGEN_SYNTAX_CHAR(* syn) == ' ')
687 /* Syntax char didn't match. Can't be this insn. */
688 static char msg [80];
690 /* xgettext:c-format */
691 sprintf (msg, _("syntax error (expected char `%c', found `%c')"),
692 CGEN_SYNTAX_CHAR(*syn), *str);
697 /* Ran out of input. */
698 static char msg [80];
700 /* xgettext:c-format */
701 sprintf (msg, _("syntax error (expected char `%c', found end of instruction)"),
702 CGEN_SYNTAX_CHAR(*syn));
708 /* We have an operand of some sort. */
709 errmsg = cd->parse_operand (cd, CGEN_SYNTAX_FIELD (*syn),
714 /* Done with this operand, continue with next one. */
718 /* If we're at the end of the syntax string, we're done. */
721 /* FIXME: For the moment we assume a valid `str' can only contain
722 blanks now. IE: We needn't try again with a longer version of
723 the insn and it is assumed that longer versions of insns appear
724 before shorter ones (eg: lsr r2,r3,1 vs lsr r2,r3). */
725 while (ISSPACE (* str))
729 return _("junk at end of line"); /* FIXME: would like to include `str' */
734 /* We couldn't parse it. */
735 return _("unrecognized instruction");
739 This routine is called for each instruction to be assembled.
740 STR points to the insn to be assembled.
741 We assume all necessary tables have been initialized.
742 The assembled instruction, less any fixups, is stored in BUF.
743 Remember that if CGEN_INT_INSN_P then BUF is an int and thus the value
744 still needs to be converted to target byte order, otherwise BUF is an array
745 of bytes in target byte order.
746 The result is a pointer to the insn's entry in the opcode table,
747 or NULL if an error occured (an error message will have already been
750 Note that when processing (non-alias) macro-insns,
751 this function recurses.
753 ??? It's possible to make this cpu-independent.
754 One would have to deal with a few minor things.
755 At this point in time doing so would be more of a curiosity than useful
756 [for example this file isn't _that_ big], but keeping the possibility in
757 mind helps keep the design clean. */
760 iq2000_cgen_assemble_insn (CGEN_CPU_DESC cd,
763 CGEN_INSN_BYTES_PTR buf,
767 CGEN_INSN_LIST *ilist;
768 const char *parse_errmsg = NULL;
769 const char *insert_errmsg = NULL;
770 int recognized_mnemonic = 0;
772 /* Skip leading white space. */
773 while (ISSPACE (* str))
776 /* The instructions are stored in hashed lists.
777 Get the first in the list. */
778 ilist = CGEN_ASM_LOOKUP_INSN (cd, str);
780 /* Keep looking until we find a match. */
782 for ( ; ilist != NULL ; ilist = CGEN_ASM_NEXT_INSN (ilist))
784 const CGEN_INSN *insn = ilist->insn;
785 recognized_mnemonic = 1;
787 #ifdef CGEN_VALIDATE_INSN_SUPPORTED
788 /* Not usually needed as unsupported opcodes
789 shouldn't be in the hash lists. */
790 /* Is this insn supported by the selected cpu? */
791 if (! iq2000_cgen_insn_supported (cd, insn))
794 /* If the RELAXED attribute is set, this is an insn that shouldn't be
795 chosen immediately. Instead, it is used during assembler/linker
796 relaxation if possible. */
797 if (CGEN_INSN_ATTR_VALUE (insn, CGEN_INSN_RELAXED) != 0)
802 /* Skip this insn if str doesn't look right lexically. */
803 if (CGEN_INSN_RX (insn) != NULL &&
804 regexec ((regex_t *) CGEN_INSN_RX (insn), str, 0, NULL, 0) == REG_NOMATCH)
807 /* Allow parse/insert handlers to obtain length of insn. */
808 CGEN_FIELDS_BITSIZE (fields) = CGEN_INSN_BITSIZE (insn);
810 parse_errmsg = CGEN_PARSE_FN (cd, insn) (cd, insn, & str, fields);
811 if (parse_errmsg != NULL)
814 /* ??? 0 is passed for `pc'. */
815 insert_errmsg = CGEN_INSERT_FN (cd, insn) (cd, insn, fields, buf,
817 if (insert_errmsg != NULL)
820 /* It is up to the caller to actually output the insn and any
826 static char errbuf[150];
827 #ifdef CGEN_VERBOSE_ASSEMBLER_ERRORS
828 const char *tmp_errmsg;
830 /* If requesting verbose error messages, use insert_errmsg.
831 Failing that, use parse_errmsg. */
832 tmp_errmsg = (insert_errmsg ? insert_errmsg :
833 parse_errmsg ? parse_errmsg :
834 recognized_mnemonic ?
835 _("unrecognized form of instruction") :
836 _("unrecognized instruction"));
838 if (strlen (start) > 50)
839 /* xgettext:c-format */
840 sprintf (errbuf, "%s `%.50s...'", tmp_errmsg, start);
842 /* xgettext:c-format */
843 sprintf (errbuf, "%s `%.50s'", tmp_errmsg, start);
845 if (strlen (start) > 50)
846 /* xgettext:c-format */
847 sprintf (errbuf, _("bad instruction `%.50s...'"), start);
849 /* xgettext:c-format */
850 sprintf (errbuf, _("bad instruction `%.50s'"), start);
858 #if 0 /* This calls back to GAS which we can't do without care. */
860 /* Record each member of OPVALS in the assembler's symbol table.
861 This lets GAS parse registers for us.
862 ??? Interesting idea but not currently used. */
864 /* Record each member of OPVALS in the assembler's symbol table.
865 FIXME: Not currently used. */
868 iq2000_cgen_asm_hash_keywords (CGEN_CPU_DESC cd, CGEN_KEYWORD *opvals)
870 CGEN_KEYWORD_SEARCH search = cgen_keyword_search_init (opvals, NULL);
871 const CGEN_KEYWORD_ENTRY * ke;
873 while ((ke = cgen_keyword_search_next (& search)) != NULL)
875 #if 0 /* Unnecessary, should be done in the search routine. */
876 if (! iq2000_cgen_opval_supported (ke))
879 cgen_asm_record_register (cd, ke->name, ke->value);