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, 2005, 2007, 2008, 2010
8 Free Software Foundation, Inc.
10 This file is part of libopcodes.
12 This library is free software; you can redistribute it and/or modify
13 it under the terms of the GNU General Public License as published by
14 the Free Software Foundation; either version 3, or (at your option)
17 It is distributed in the hope that it will be useful, but WITHOUT
18 ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
19 or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public
20 License for more details.
22 You should have received a copy of the GNU General Public License
23 along with this program; if not, write to the Free Software Foundation, Inc.,
24 51 Franklin Street - Fifth Floor, Boston, MA 02110-1301, USA. */
27 /* ??? Eventually more and more of this stuff can go to cpu-independent files.
35 #include "epiphany-desc.h"
36 #include "epiphany-opc.h"
39 #include "libiberty.h"
40 #include "safe-ctype.h"
43 #define min(a,b) ((a) < (b) ? (a) : (b))
45 #define max(a,b) ((a) > (b) ? (a) : (b))
47 static const char * parse_insn_normal
48 (CGEN_CPU_DESC, const CGEN_INSN *, const char **, CGEN_FIELDS *);
50 /* -- assembler routines inserted here. */
54 parse_shortregs (CGEN_CPU_DESC cd,
56 CGEN_KEYWORD * keywords,
62 errmsg = cgen_parse_keyword (cd, strp, keywords, regno);
68 errmsg = _("register unavailable for short instructions");
73 static const char * parse_simm_not_reg (CGEN_CPU_DESC, const char **, int,
77 parse_uimm_not_reg (CGEN_CPU_DESC cd,
80 unsigned long * valuep)
82 long * svalp = (void *) valuep;
83 return parse_simm_not_reg (cd, strp, opindex, svalp);
86 /* Handle simm3/simm11/imm3/imm12. */
89 parse_simm_not_reg (CGEN_CPU_DESC cd,
101 case EPIPHANY_OPERAND_SIMM3:
102 sign = 1; bits = 3; break;
103 case EPIPHANY_OPERAND_SIMM11:
104 sign = 1; bits = 11; break;
105 case EPIPHANY_OPERAND_DISP3:
106 sign = 0; bits = 3; break;
107 case EPIPHANY_OPERAND_DISP11:
108 /* Load/store displacement is a sign-magnitude 12 bit value. */
109 sign = 0; bits = 11; break;
112 /* First try to parse as a register name and reject the operand. */
113 errmsg = cgen_parse_keyword (cd, strp, & epiphany_cgen_opval_gr_names,valuep);
115 return _("register name used as immediate value");
117 errmsg = (sign ? cgen_parse_signed_integer (cd, strp, opindex, valuep)
118 : cgen_parse_unsigned_integer (cd, strp, opindex,
119 (unsigned long *) valuep));
124 errmsg = cgen_validate_signed_integer (*valuep,
125 -((1L << bits) - 1), (1 << (bits - 1)) - 1);
127 errmsg = cgen_validate_unsigned_integer (*valuep, 0, (1L << bits) - 1);
133 parse_postindex (CGEN_CPU_DESC cd ATTRIBUTE_UNUSED,
135 int opindex ATTRIBUTE_UNUSED,
139 ++*strp; /* Skip leading hashes. */
146 else if (**strp == '+')
158 parse_imm8 (CGEN_CPU_DESC cd,
161 bfd_reloc_code_real_type code,
162 enum cgen_parse_operand_result * result_type,
166 enum cgen_parse_operand_result rt;
172 code = BFD_RELOC_NONE;
174 if (!cgen_parse_keyword (cd, strp, &epiphany_cgen_opval_gr_names, &dummyval)
175 || !cgen_parse_keyword (cd, strp, &epiphany_cgen_opval_cr_names,
177 /* Don't treat "mov ip,ip" as a move-immediate. */
178 return _("register source in immediate move");
180 errmsg = cgen_parse_address (cd, strp, opindex, code, result_type, valuep);
184 if (*result_type == CGEN_PARSE_OPERAND_RESULT_NUMBER)
185 errmsg = cgen_validate_unsigned_integer (*valuep, 0, 0xff);
187 errmsg = _("byte relocation unsupported");
193 static const char * MISSING_CLOSE_PARENTHESIS = N_("missing `)'");
196 parse_imm16 (CGEN_CPU_DESC cd,
199 bfd_reloc_code_real_type code ATTRIBUTE_UNUSED,
200 enum cgen_parse_operand_result * result_type,
204 enum cgen_parse_operand_result rt;
210 if (strncasecmp (*strp, "%high(", 6) == 0)
213 errmsg = cgen_parse_address (cd, strp, opindex, BFD_RELOC_EPIPHANY_HIGH,
214 result_type, valuep);
216 return MISSING_CLOSE_PARENTHESIS;
220 else if (strncasecmp (*strp, "%low(", 5) == 0)
223 errmsg = cgen_parse_address (cd, strp, opindex, BFD_RELOC_EPIPHANY_LOW,
224 result_type, valuep);
226 return MISSING_CLOSE_PARENTHESIS;
229 else if (!cgen_parse_keyword (cd, strp, &epiphany_cgen_opval_gr_names,
231 || !cgen_parse_keyword (cd, strp, &epiphany_cgen_opval_cr_names,
233 /* Don't treat "mov ip,ip" as a move-immediate. */
234 return _("register source in immediate move");
236 errmsg = cgen_parse_address (cd, strp, opindex, BFD_RELOC_16,
237 result_type, valuep);
239 if (!errmsg && result_type == CGEN_PARSE_OPERAND_RESULT_NUMBER)
240 errmsg = cgen_validate_unsigned_integer (*valuep, 0, 0xffff);
247 parse_branch_addr (CGEN_CPU_DESC cd,
250 int opinfo ATTRIBUTE_UNUSED,
251 enum cgen_parse_operand_result * resultp ATTRIBUTE_UNUSED,
252 unsigned long * valuep ATTRIBUTE_UNUSED)
255 enum cgen_parse_operand_result result_type;
256 bfd_reloc_code_real_type code = BFD_RELOC_NONE;
261 case EPIPHANY_OPERAND_SIMM24:
262 code = BFD_RELOC_EPIPHANY_SIMM24;
265 case EPIPHANY_OPERAND_SIMM8:
266 code = BFD_RELOC_EPIPHANY_SIMM8;
270 errmsg = _("ABORT: unknown operand");
274 errmsg = cgen_parse_address (cd, strp, opindex, code,
275 &result_type, &value);
278 if (result_type == CGEN_PARSE_OPERAND_RESULT_NUMBER)
280 /* Act as if we had done a PC-relative branch, ala .+num. */
282 const char * bufp = (const char *) buf;
284 sprintf (buf, ".+%ld", value);
285 errmsg = cgen_parse_address (cd, &bufp, opindex, code, &result_type,
289 if (result_type == CGEN_PARSE_OPERAND_RESULT_QUEUED)
291 /* This will happen for things like (s2-s1) where s2 and s1
293 /* Nothing further to be done. */
296 errmsg = _("Not a pc-relative address.");
303 const char * epiphany_cgen_parse_operand
304 (CGEN_CPU_DESC, int, const char **, CGEN_FIELDS *);
306 /* Main entry point for operand parsing.
308 This function is basically just a big switch statement. Earlier versions
309 used tables to look up the function to use, but
310 - if the table contains both assembler and disassembler functions then
311 the disassembler contains much of the assembler and vice-versa,
312 - there's a lot of inlining possibilities as things grow,
313 - using a switch statement avoids the function call overhead.
315 This function could be moved into `parse_insn_normal', but keeping it
316 separate makes clear the interface between `parse_insn_normal' and each of
320 epiphany_cgen_parse_operand (CGEN_CPU_DESC cd,
323 CGEN_FIELDS * fields)
325 const char * errmsg = NULL;
326 /* Used by scalar operands that still need to be parsed. */
327 long junk ATTRIBUTE_UNUSED;
331 case EPIPHANY_OPERAND_DIRECTION :
332 errmsg = parse_postindex (cd, strp, EPIPHANY_OPERAND_DIRECTION, (unsigned long *) (& fields->f_addsubx));
334 case EPIPHANY_OPERAND_DISP11 :
335 errmsg = parse_uimm_not_reg (cd, strp, EPIPHANY_OPERAND_DISP11, (unsigned long *) (& fields->f_disp11));
337 case EPIPHANY_OPERAND_DISP3 :
338 errmsg = cgen_parse_unsigned_integer (cd, strp, EPIPHANY_OPERAND_DISP3, (unsigned long *) (& fields->f_disp3));
340 case EPIPHANY_OPERAND_DPMI :
341 errmsg = parse_postindex (cd, strp, EPIPHANY_OPERAND_DPMI, (unsigned long *) (& fields->f_subd));
343 case EPIPHANY_OPERAND_FRD :
344 errmsg = parse_shortregs (cd, strp, & epiphany_cgen_opval_gr_names, & fields->f_rd);
346 case EPIPHANY_OPERAND_FRD6 :
347 errmsg = cgen_parse_keyword (cd, strp, & epiphany_cgen_opval_gr_names, & fields->f_rd6);
349 case EPIPHANY_OPERAND_FRM :
350 errmsg = parse_shortregs (cd, strp, & epiphany_cgen_opval_gr_names, & fields->f_rm);
352 case EPIPHANY_OPERAND_FRM6 :
353 errmsg = cgen_parse_keyword (cd, strp, & epiphany_cgen_opval_gr_names, & fields->f_rm6);
355 case EPIPHANY_OPERAND_FRN :
356 errmsg = parse_shortregs (cd, strp, & epiphany_cgen_opval_gr_names, & fields->f_rn);
358 case EPIPHANY_OPERAND_FRN6 :
359 errmsg = cgen_parse_keyword (cd, strp, & epiphany_cgen_opval_gr_names, & fields->f_rn6);
361 case EPIPHANY_OPERAND_IMM16 :
364 errmsg = parse_imm16 (cd, strp, EPIPHANY_OPERAND_IMM16, 0, NULL, & value);
365 fields->f_imm16 = value;
368 case EPIPHANY_OPERAND_IMM8 :
371 errmsg = parse_imm8 (cd, strp, EPIPHANY_OPERAND_IMM8, 0, NULL, & value);
372 fields->f_imm8 = value;
375 case EPIPHANY_OPERAND_RD :
376 errmsg = parse_shortregs (cd, strp, & epiphany_cgen_opval_gr_names, & fields->f_rd);
378 case EPIPHANY_OPERAND_RD6 :
379 errmsg = cgen_parse_keyword (cd, strp, & epiphany_cgen_opval_gr_names, & fields->f_rd6);
381 case EPIPHANY_OPERAND_RM :
382 errmsg = parse_shortregs (cd, strp, & epiphany_cgen_opval_gr_names, & fields->f_rm);
384 case EPIPHANY_OPERAND_RM6 :
385 errmsg = cgen_parse_keyword (cd, strp, & epiphany_cgen_opval_gr_names, & fields->f_rm6);
387 case EPIPHANY_OPERAND_RN :
388 errmsg = parse_shortregs (cd, strp, & epiphany_cgen_opval_gr_names, & fields->f_rn);
390 case EPIPHANY_OPERAND_RN6 :
391 errmsg = cgen_parse_keyword (cd, strp, & epiphany_cgen_opval_gr_names, & fields->f_rn6);
393 case EPIPHANY_OPERAND_SD :
394 errmsg = parse_shortregs (cd, strp, & epiphany_cgen_opval_cr_names, & fields->f_sd);
396 case EPIPHANY_OPERAND_SD6 :
397 errmsg = cgen_parse_keyword (cd, strp, & epiphany_cgen_opval_cr_names, & fields->f_sd6);
399 case EPIPHANY_OPERAND_SDDMA :
400 errmsg = cgen_parse_keyword (cd, strp, & epiphany_cgen_opval_crdma_names, & fields->f_sd6);
402 case EPIPHANY_OPERAND_SDMEM :
403 errmsg = cgen_parse_keyword (cd, strp, & epiphany_cgen_opval_crmem_names, & fields->f_sd6);
405 case EPIPHANY_OPERAND_SDMESH :
406 errmsg = cgen_parse_keyword (cd, strp, & epiphany_cgen_opval_crmesh_names, & fields->f_sd6);
408 case EPIPHANY_OPERAND_SHIFT :
409 errmsg = cgen_parse_unsigned_integer (cd, strp, EPIPHANY_OPERAND_SHIFT, (unsigned long *) (& fields->f_shift));
411 case EPIPHANY_OPERAND_SIMM11 :
412 errmsg = parse_simm_not_reg (cd, strp, EPIPHANY_OPERAND_SIMM11, (long *) (& fields->f_sdisp11));
414 case EPIPHANY_OPERAND_SIMM24 :
417 errmsg = parse_branch_addr (cd, strp, EPIPHANY_OPERAND_SIMM24, 0, NULL, & value);
418 fields->f_simm24 = value;
421 case EPIPHANY_OPERAND_SIMM3 :
422 errmsg = parse_simm_not_reg (cd, strp, EPIPHANY_OPERAND_SIMM3, (long *) (& fields->f_sdisp3));
424 case EPIPHANY_OPERAND_SIMM8 :
427 errmsg = parse_branch_addr (cd, strp, EPIPHANY_OPERAND_SIMM8, 0, NULL, & value);
428 fields->f_simm8 = value;
431 case EPIPHANY_OPERAND_SN :
432 errmsg = parse_shortregs (cd, strp, & epiphany_cgen_opval_cr_names, & fields->f_sn);
434 case EPIPHANY_OPERAND_SN6 :
435 errmsg = cgen_parse_keyword (cd, strp, & epiphany_cgen_opval_cr_names, & fields->f_sn6);
437 case EPIPHANY_OPERAND_SNDMA :
438 errmsg = cgen_parse_keyword (cd, strp, & epiphany_cgen_opval_crdma_names, & fields->f_sn6);
440 case EPIPHANY_OPERAND_SNMEM :
441 errmsg = cgen_parse_keyword (cd, strp, & epiphany_cgen_opval_crmem_names, & fields->f_sn6);
443 case EPIPHANY_OPERAND_SNMESH :
444 errmsg = cgen_parse_keyword (cd, strp, & epiphany_cgen_opval_crmesh_names, & fields->f_sn6);
446 case EPIPHANY_OPERAND_SWI_NUM :
447 errmsg = parse_uimm_not_reg (cd, strp, EPIPHANY_OPERAND_SWI_NUM, (unsigned long *) (& fields->f_trap_num));
449 case EPIPHANY_OPERAND_TRAPNUM6 :
450 errmsg = cgen_parse_unsigned_integer (cd, strp, EPIPHANY_OPERAND_TRAPNUM6, (unsigned long *) (& fields->f_trap_num));
454 /* xgettext:c-format */
455 fprintf (stderr, _("Unrecognized field %d while parsing.\n"), opindex);
462 cgen_parse_fn * const epiphany_cgen_parse_handlers[] =
468 epiphany_cgen_init_asm (CGEN_CPU_DESC cd)
470 epiphany_cgen_init_opcode_table (cd);
471 epiphany_cgen_init_ibld_table (cd);
472 cd->parse_handlers = & epiphany_cgen_parse_handlers[0];
473 cd->parse_operand = epiphany_cgen_parse_operand;
474 #ifdef CGEN_ASM_INIT_HOOK
481 /* Regex construction routine.
483 This translates an opcode syntax string into a regex string,
484 by replacing any non-character syntax element (such as an
485 opcode) with the pattern '.*'
487 It then compiles the regex and stores it in the opcode, for
488 later use by epiphany_cgen_assemble_insn
490 Returns NULL for success, an error message for failure. */
493 epiphany_cgen_build_insn_regex (CGEN_INSN *insn)
495 CGEN_OPCODE *opc = (CGEN_OPCODE *) CGEN_INSN_OPCODE (insn);
496 const char *mnem = CGEN_INSN_MNEMONIC (insn);
497 char rxbuf[CGEN_MAX_RX_ELEMENTS];
499 const CGEN_SYNTAX_CHAR_TYPE *syn;
502 syn = CGEN_SYNTAX_STRING (CGEN_OPCODE_SYNTAX (opc));
504 /* Mnemonics come first in the syntax string. */
505 if (! CGEN_SYNTAX_MNEMONIC_P (* syn))
506 return _("missing mnemonic in syntax string");
509 /* Generate a case sensitive regular expression that emulates case
510 insensitive matching in the "C" locale. We cannot generate a case
511 insensitive regular expression because in Turkish locales, 'i' and 'I'
512 are not equal modulo case conversion. */
514 /* Copy the literal mnemonic out of the insn. */
515 for (; *mnem; mnem++)
530 /* Copy any remaining literals from the syntax string into the rx. */
531 for(; * syn != 0 && rx <= rxbuf + (CGEN_MAX_RX_ELEMENTS - 7 - 4); ++syn)
533 if (CGEN_SYNTAX_CHAR_P (* syn))
535 char c = CGEN_SYNTAX_CHAR (* syn);
539 /* Escape any regex metacharacters in the syntax. */
540 case '.': case '[': case '\\':
541 case '*': case '^': case '$':
543 #ifdef CGEN_ESCAPE_EXTENDED_REGEX
544 case '?': case '{': case '}':
545 case '(': case ')': case '*':
546 case '|': case '+': case ']':
567 /* Replace non-syntax fields with globs. */
573 /* Trailing whitespace ok. */
580 /* But anchor it after that. */
584 CGEN_INSN_RX (insn) = xmalloc (sizeof (regex_t));
585 reg_err = regcomp ((regex_t *) CGEN_INSN_RX (insn), rxbuf, REG_NOSUB);
593 regerror (reg_err, (regex_t *) CGEN_INSN_RX (insn), msg, 80);
594 regfree ((regex_t *) CGEN_INSN_RX (insn));
595 free (CGEN_INSN_RX (insn));
596 (CGEN_INSN_RX (insn)) = NULL;
602 /* Default insn parser.
604 The syntax string is scanned and operands are parsed and stored in FIELDS.
605 Relocs are queued as we go via other callbacks.
607 ??? Note that this is currently an all-or-nothing parser. If we fail to
608 parse the instruction, we return 0 and the caller will start over from
609 the beginning. Backtracking will be necessary in parsing subexpressions,
610 but that can be handled there. Not handling backtracking here may get
611 expensive in the case of the m68k. Deal with later.
613 Returns NULL for success, an error message for failure. */
616 parse_insn_normal (CGEN_CPU_DESC cd,
617 const CGEN_INSN *insn,
621 /* ??? Runtime added insns not handled yet. */
622 const CGEN_SYNTAX *syntax = CGEN_INSN_SYNTAX (insn);
623 const char *str = *strp;
626 const CGEN_SYNTAX_CHAR_TYPE * syn;
627 #ifdef CGEN_MNEMONIC_OPERANDS
632 /* For now we assume the mnemonic is first (there are no leading operands).
633 We can parse it without needing to set up operand parsing.
634 GAS's input scrubber will ensure mnemonics are lowercase, but we may
635 not be called from GAS. */
636 p = CGEN_INSN_MNEMONIC (insn);
637 while (*p && TOLOWER (*p) == TOLOWER (*str))
641 return _("unrecognized instruction");
643 #ifndef CGEN_MNEMONIC_OPERANDS
644 if (* str && ! ISSPACE (* str))
645 return _("unrecognized instruction");
648 CGEN_INIT_PARSE (cd);
649 cgen_init_parse_operand (cd);
650 #ifdef CGEN_MNEMONIC_OPERANDS
654 /* We don't check for (*str != '\0') here because we want to parse
655 any trailing fake arguments in the syntax string. */
656 syn = CGEN_SYNTAX_STRING (syntax);
658 /* Mnemonics come first for now, ensure valid string. */
659 if (! CGEN_SYNTAX_MNEMONIC_P (* syn))
666 /* Non operand chars must match exactly. */
667 if (CGEN_SYNTAX_CHAR_P (* syn))
669 /* FIXME: While we allow for non-GAS callers above, we assume the
670 first char after the mnemonic part is a space. */
671 /* FIXME: We also take inappropriate advantage of the fact that
672 GAS's input scrubber will remove extraneous blanks. */
673 if (TOLOWER (*str) == TOLOWER (CGEN_SYNTAX_CHAR (* syn)))
675 #ifdef CGEN_MNEMONIC_OPERANDS
676 if (CGEN_SYNTAX_CHAR(* syn) == ' ')
684 /* Syntax char didn't match. Can't be this insn. */
685 static char msg [80];
687 /* xgettext:c-format */
688 sprintf (msg, _("syntax error (expected char `%c', found `%c')"),
689 CGEN_SYNTAX_CHAR(*syn), *str);
694 /* Ran out of input. */
695 static char msg [80];
697 /* xgettext:c-format */
698 sprintf (msg, _("syntax error (expected char `%c', found end of instruction)"),
699 CGEN_SYNTAX_CHAR(*syn));
705 #ifdef CGEN_MNEMONIC_OPERANDS
706 (void) past_opcode_p;
708 /* We have an operand of some sort. */
709 errmsg = cd->parse_operand (cd, CGEN_SYNTAX_FIELD (*syn), &str, fields);
713 /* Done with this operand, continue with next one. */
717 /* If we're at the end of the syntax string, we're done. */
720 /* FIXME: For the moment we assume a valid `str' can only contain
721 blanks now. IE: We needn't try again with a longer version of
722 the insn and it is assumed that longer versions of insns appear
723 before shorter ones (eg: lsr r2,r3,1 vs lsr r2,r3). */
724 while (ISSPACE (* str))
728 return _("junk at end of line"); /* FIXME: would like to include `str' */
733 /* We couldn't parse it. */
734 return _("unrecognized instruction");
738 This routine is called for each instruction to be assembled.
739 STR points to the insn to be assembled.
740 We assume all necessary tables have been initialized.
741 The assembled instruction, less any fixups, is stored in BUF.
742 Remember that if CGEN_INT_INSN_P then BUF is an int and thus the value
743 still needs to be converted to target byte order, otherwise BUF is an array
744 of bytes in target byte order.
745 The result is a pointer to the insn's entry in the opcode table,
746 or NULL if an error occured (an error message will have already been
749 Note that when processing (non-alias) macro-insns,
750 this function recurses.
752 ??? It's possible to make this cpu-independent.
753 One would have to deal with a few minor things.
754 At this point in time doing so would be more of a curiosity than useful
755 [for example this file isn't _that_ big], but keeping the possibility in
756 mind helps keep the design clean. */
759 epiphany_cgen_assemble_insn (CGEN_CPU_DESC cd,
762 CGEN_INSN_BYTES_PTR buf,
766 CGEN_INSN_LIST *ilist;
767 const char *parse_errmsg = NULL;
768 const char *insert_errmsg = NULL;
769 int recognized_mnemonic = 0;
771 /* Skip leading white space. */
772 while (ISSPACE (* str))
775 /* The instructions are stored in hashed lists.
776 Get the first in the list. */
777 ilist = CGEN_ASM_LOOKUP_INSN (cd, str);
779 /* Keep looking until we find a match. */
781 for ( ; ilist != NULL ; ilist = CGEN_ASM_NEXT_INSN (ilist))
783 const CGEN_INSN *insn = ilist->insn;
784 recognized_mnemonic = 1;
786 #ifdef CGEN_VALIDATE_INSN_SUPPORTED
787 /* Not usually needed as unsupported opcodes
788 shouldn't be in the hash lists. */
789 /* Is this insn supported by the selected cpu? */
790 if (! epiphany_cgen_insn_supported (cd, insn))
793 /* If the RELAXED attribute is set, this is an insn that shouldn't be
794 chosen immediately. Instead, it is used during assembler/linker
795 relaxation if possible. */
796 if (CGEN_INSN_ATTR_VALUE (insn, CGEN_INSN_RELAXED) != 0)
801 /* Skip this insn if str doesn't look right lexically. */
802 if (CGEN_INSN_RX (insn) != NULL &&
803 regexec ((regex_t *) CGEN_INSN_RX (insn), str, 0, NULL, 0) == REG_NOMATCH)
806 /* Allow parse/insert handlers to obtain length of insn. */
807 CGEN_FIELDS_BITSIZE (fields) = CGEN_INSN_BITSIZE (insn);
809 parse_errmsg = CGEN_PARSE_FN (cd, insn) (cd, insn, & str, fields);
810 if (parse_errmsg != NULL)
813 /* ??? 0 is passed for `pc'. */
814 insert_errmsg = CGEN_INSERT_FN (cd, insn) (cd, insn, fields, buf,
816 if (insert_errmsg != NULL)
819 /* It is up to the caller to actually output the insn and any
825 static char errbuf[150];
826 const char *tmp_errmsg;
827 #ifdef CGEN_VERBOSE_ASSEMBLER_ERRORS
835 /* If requesting verbose error messages, use insert_errmsg.
836 Failing that, use parse_errmsg. */
837 tmp_errmsg = (insert_errmsg ? insert_errmsg :
838 parse_errmsg ? parse_errmsg :
839 recognized_mnemonic ?
840 _("unrecognized form of instruction") :
841 _("unrecognized instruction"));
843 if (strlen (start) > 50)
844 /* xgettext:c-format */
845 sprintf (errbuf, "%s `%.50s...'", tmp_errmsg, start);
847 /* xgettext:c-format */
848 sprintf (errbuf, "%s `%.50s'", tmp_errmsg, start);
852 if (strlen (start) > 50)
853 /* xgettext:c-format */
854 sprintf (errbuf, _("bad instruction `%.50s...'"), start);
856 /* xgettext:c-format */
857 sprintf (errbuf, _("bad instruction `%.50s'"), start);