1 /* Instruction building/extraction support for or1k. -*- C -*-
3 THIS FILE IS MACHINE GENERATED WITH CGEN: Cpu tools GENerator.
4 - the resultant file is machine generated, cgen-ibld.in isn't
6 Copyright (C) 1996-2016 Free Software Foundation, Inc.
8 This file is part of libopcodes.
10 This library is free software; you can redistribute it and/or modify
11 it under the terms of the GNU General Public License as published by
12 the Free Software Foundation; either version 3, or (at your option)
15 It is distributed in the hope that it will be useful, but WITHOUT
16 ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
17 or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public
18 License for more details.
20 You should have received a copy of the GNU General Public License
21 along with this program; if not, write to the Free Software Foundation, Inc.,
22 51 Franklin Street - Fifth Floor, Boston, MA 02110-1301, USA. */
24 /* ??? Eventually more and more of this stuff can go to cpu-independent files.
33 #include "or1k-desc.h"
35 #include "cgen/basic-modes.h"
37 #include "safe-ctype.h"
40 #define min(a,b) ((a) < (b) ? (a) : (b))
42 #define max(a,b) ((a) > (b) ? (a) : (b))
44 /* Used by the ifield rtx function. */
45 #define FLD(f) (fields->f)
47 static const char * insert_normal
48 (CGEN_CPU_DESC, long, unsigned int, unsigned int, unsigned int,
49 unsigned int, unsigned int, unsigned int, CGEN_INSN_BYTES_PTR);
50 static const char * insert_insn_normal
51 (CGEN_CPU_DESC, const CGEN_INSN *,
52 CGEN_FIELDS *, CGEN_INSN_BYTES_PTR, bfd_vma);
53 static int extract_normal
54 (CGEN_CPU_DESC, CGEN_EXTRACT_INFO *, CGEN_INSN_INT,
55 unsigned int, unsigned int, unsigned int, unsigned int,
56 unsigned int, unsigned int, bfd_vma, long *);
57 static int extract_insn_normal
58 (CGEN_CPU_DESC, const CGEN_INSN *, CGEN_EXTRACT_INFO *,
59 CGEN_INSN_INT, CGEN_FIELDS *, bfd_vma);
61 static void put_insn_int_value
62 (CGEN_CPU_DESC, CGEN_INSN_BYTES_PTR, int, int, CGEN_INSN_INT);
65 static CGEN_INLINE void insert_1
66 (CGEN_CPU_DESC, unsigned long, int, int, int, unsigned char *);
67 static CGEN_INLINE int fill_cache
68 (CGEN_CPU_DESC, CGEN_EXTRACT_INFO *, int, int, bfd_vma);
69 static CGEN_INLINE long extract_1
70 (CGEN_CPU_DESC, CGEN_EXTRACT_INFO *, int, int, int, unsigned char *, bfd_vma);
73 /* Operand insertion. */
77 /* Subroutine of insert_normal. */
79 static CGEN_INLINE void
80 insert_1 (CGEN_CPU_DESC cd,
90 x = cgen_get_insn_value (cd, bufp, word_length);
92 /* Written this way to avoid undefined behaviour. */
93 mask = (((1L << (length - 1)) - 1) << 1) | 1;
95 shift = (start + 1) - length;
97 shift = (word_length - (start + length));
98 x = (x & ~(mask << shift)) | ((value & mask) << shift);
100 cgen_put_insn_value (cd, bufp, word_length, (bfd_vma) x);
103 #endif /* ! CGEN_INT_INSN_P */
105 /* Default insertion routine.
107 ATTRS is a mask of the boolean attributes.
108 WORD_OFFSET is the offset in bits from the start of the insn of the value.
109 WORD_LENGTH is the length of the word in bits in which the value resides.
110 START is the starting bit number in the word, architecture origin.
111 LENGTH is the length of VALUE in bits.
112 TOTAL_LENGTH is the total length of the insn in bits.
114 The result is an error message or NULL if success. */
116 /* ??? This duplicates functionality with bfd's howto table and
117 bfd_install_relocation. */
118 /* ??? This doesn't handle bfd_vma's. Create another function when
122 insert_normal (CGEN_CPU_DESC cd,
125 unsigned int word_offset,
128 unsigned int word_length,
129 unsigned int total_length,
130 CGEN_INSN_BYTES_PTR buffer)
132 static char errbuf[100];
133 /* Written this way to avoid undefined behaviour. */
134 unsigned long mask = (((1L << (length - 1)) - 1) << 1) | 1;
136 /* If LENGTH is zero, this operand doesn't contribute to the value. */
140 if (word_length > 8 * sizeof (CGEN_INSN_INT))
143 /* For architectures with insns smaller than the base-insn-bitsize,
144 word_length may be too big. */
145 if (cd->min_insn_bitsize < cd->base_insn_bitsize)
148 && word_length > total_length)
149 word_length = total_length;
152 /* Ensure VALUE will fit. */
153 if (CGEN_BOOL_ATTR (attrs, CGEN_IFLD_SIGN_OPT))
155 long minval = - (1L << (length - 1));
156 unsigned long maxval = mask;
158 if ((value > 0 && (unsigned long) value > maxval)
161 /* xgettext:c-format */
163 _("operand out of range (%ld not between %ld and %lu)"),
164 value, minval, maxval);
168 else if (! CGEN_BOOL_ATTR (attrs, CGEN_IFLD_SIGNED))
170 unsigned long maxval = mask;
171 unsigned long val = (unsigned long) value;
173 /* For hosts with a word size > 32 check to see if value has been sign
174 extended beyond 32 bits. If so then ignore these higher sign bits
175 as the user is attempting to store a 32-bit signed value into an
176 unsigned 32-bit field which is allowed. */
177 if (sizeof (unsigned long) > 4 && ((value >> 32) == -1))
182 /* xgettext:c-format */
184 _("operand out of range (0x%lx not between 0 and 0x%lx)"),
191 if (! cgen_signed_overflow_ok_p (cd))
193 long minval = - (1L << (length - 1));
194 long maxval = (1L << (length - 1)) - 1;
196 if (value < minval || value > maxval)
199 /* xgettext:c-format */
200 (errbuf, _("operand out of range (%ld not between %ld and %ld)"),
201 value, minval, maxval);
212 if (CGEN_INSN_LSB0_P)
213 shift = (word_offset + start + 1) - length;
215 shift = total_length - (word_offset + start + length);
216 *buffer = (*buffer & ~(mask << shift)) | ((value & mask) << shift);
219 #else /* ! CGEN_INT_INSN_P */
222 unsigned char *bufp = (unsigned char *) buffer + word_offset / 8;
224 insert_1 (cd, value, start, length, word_length, bufp);
227 #endif /* ! CGEN_INT_INSN_P */
232 /* Default insn builder (insert handler).
233 The instruction is recorded in CGEN_INT_INSN_P byte order (meaning
234 that if CGEN_INSN_BYTES_PTR is an int * and thus, the value is
235 recorded in host byte order, otherwise BUFFER is an array of bytes
236 and the value is recorded in target byte order).
237 The result is an error message or NULL if success. */
240 insert_insn_normal (CGEN_CPU_DESC cd,
241 const CGEN_INSN * insn,
242 CGEN_FIELDS * fields,
243 CGEN_INSN_BYTES_PTR buffer,
246 const CGEN_SYNTAX *syntax = CGEN_INSN_SYNTAX (insn);
248 const CGEN_SYNTAX_CHAR_TYPE * syn;
250 CGEN_INIT_INSERT (cd);
251 value = CGEN_INSN_BASE_VALUE (insn);
253 /* If we're recording insns as numbers (rather than a string of bytes),
254 target byte order handling is deferred until later. */
258 put_insn_int_value (cd, buffer, cd->base_insn_bitsize,
259 CGEN_FIELDS_BITSIZE (fields), value);
263 cgen_put_insn_value (cd, buffer, min ((unsigned) cd->base_insn_bitsize,
264 (unsigned) CGEN_FIELDS_BITSIZE (fields)),
267 #endif /* ! CGEN_INT_INSN_P */
269 /* ??? It would be better to scan the format's fields.
270 Still need to be able to insert a value based on the operand though;
271 e.g. storing a branch displacement that got resolved later.
272 Needs more thought first. */
274 for (syn = CGEN_SYNTAX_STRING (syntax); * syn; ++ syn)
278 if (CGEN_SYNTAX_CHAR_P (* syn))
281 errmsg = (* cd->insert_operand) (cd, CGEN_SYNTAX_FIELD (*syn),
291 /* Cover function to store an insn value into an integral insn. Must go here
292 because it needs <prefix>-desc.h for CGEN_INT_INSN_P. */
295 put_insn_int_value (CGEN_CPU_DESC cd ATTRIBUTE_UNUSED,
296 CGEN_INSN_BYTES_PTR buf,
301 /* For architectures with insns smaller than the base-insn-bitsize,
302 length may be too big. */
303 if (length > insn_length)
307 int shift = insn_length - length;
308 /* Written this way to avoid undefined behaviour. */
309 CGEN_INSN_INT mask = (((1L << (length - 1)) - 1) << 1) | 1;
311 *buf = (*buf & ~(mask << shift)) | ((value & mask) << shift);
316 /* Operand extraction. */
318 #if ! CGEN_INT_INSN_P
320 /* Subroutine of extract_normal.
321 Ensure sufficient bytes are cached in EX_INFO.
322 OFFSET is the offset in bytes from the start of the insn of the value.
323 BYTES is the length of the needed value.
324 Returns 1 for success, 0 for failure. */
326 static CGEN_INLINE int
327 fill_cache (CGEN_CPU_DESC cd ATTRIBUTE_UNUSED,
328 CGEN_EXTRACT_INFO *ex_info,
333 /* It's doubtful that the middle part has already been fetched so
334 we don't optimize that case. kiss. */
336 disassemble_info *info = (disassemble_info *) ex_info->dis_info;
338 /* First do a quick check. */
339 mask = (1 << bytes) - 1;
340 if (((ex_info->valid >> offset) & mask) == mask)
343 /* Search for the first byte we need to read. */
344 for (mask = 1 << offset; bytes > 0; --bytes, ++offset, mask <<= 1)
345 if (! (mask & ex_info->valid))
353 status = (*info->read_memory_func)
354 (pc, ex_info->insn_bytes + offset, bytes, info);
358 (*info->memory_error_func) (status, pc, info);
362 ex_info->valid |= ((1 << bytes) - 1) << offset;
368 /* Subroutine of extract_normal. */
370 static CGEN_INLINE long
371 extract_1 (CGEN_CPU_DESC cd,
372 CGEN_EXTRACT_INFO *ex_info ATTRIBUTE_UNUSED,
377 bfd_vma pc ATTRIBUTE_UNUSED)
382 x = cgen_get_insn_value (cd, bufp, word_length);
384 if (CGEN_INSN_LSB0_P)
385 shift = (start + 1) - length;
387 shift = (word_length - (start + length));
391 #endif /* ! CGEN_INT_INSN_P */
393 /* Default extraction routine.
395 INSN_VALUE is the first base_insn_bitsize bits of the insn in host order,
396 or sometimes less for cases like the m32r where the base insn size is 32
397 but some insns are 16 bits.
398 ATTRS is a mask of the boolean attributes. We only need `SIGNED',
399 but for generality we take a bitmask of all of them.
400 WORD_OFFSET is the offset in bits from the start of the insn of the value.
401 WORD_LENGTH is the length of the word in bits in which the value resides.
402 START is the starting bit number in the word, architecture origin.
403 LENGTH is the length of VALUE in bits.
404 TOTAL_LENGTH is the total length of the insn in bits.
406 Returns 1 for success, 0 for failure. */
408 /* ??? The return code isn't properly used. wip. */
410 /* ??? This doesn't handle bfd_vma's. Create another function when
414 extract_normal (CGEN_CPU_DESC cd,
415 #if ! CGEN_INT_INSN_P
416 CGEN_EXTRACT_INFO *ex_info,
418 CGEN_EXTRACT_INFO *ex_info ATTRIBUTE_UNUSED,
420 CGEN_INSN_INT insn_value,
422 unsigned int word_offset,
425 unsigned int word_length,
426 unsigned int total_length,
427 #if ! CGEN_INT_INSN_P
430 bfd_vma pc ATTRIBUTE_UNUSED,
436 /* If LENGTH is zero, this operand doesn't contribute to the value
437 so give it a standard value of zero. */
444 if (word_length > 8 * sizeof (CGEN_INSN_INT))
447 /* For architectures with insns smaller than the insn-base-bitsize,
448 word_length may be too big. */
449 if (cd->min_insn_bitsize < cd->base_insn_bitsize)
451 if (word_offset + word_length > total_length)
452 word_length = total_length - word_offset;
455 /* Does the value reside in INSN_VALUE, and at the right alignment? */
457 if (CGEN_INT_INSN_P || (word_offset == 0 && word_length == total_length))
459 if (CGEN_INSN_LSB0_P)
460 value = insn_value >> ((word_offset + start + 1) - length);
462 value = insn_value >> (total_length - ( word_offset + start + length));
465 #if ! CGEN_INT_INSN_P
469 unsigned char *bufp = ex_info->insn_bytes + word_offset / 8;
471 if (word_length > 8 * sizeof (CGEN_INSN_INT))
474 if (fill_cache (cd, ex_info, word_offset / 8, word_length / 8, pc) == 0)
477 value = extract_1 (cd, ex_info, start, length, word_length, bufp, pc);
480 #endif /* ! CGEN_INT_INSN_P */
482 /* Written this way to avoid undefined behaviour. */
483 mask = (((1L << (length - 1)) - 1) << 1) | 1;
487 if (CGEN_BOOL_ATTR (attrs, CGEN_IFLD_SIGNED)
488 && (value & (1L << (length - 1))))
496 /* Default insn extractor.
498 INSN_VALUE is the first base_insn_bitsize bits, translated to host order.
499 The extracted fields are stored in FIELDS.
500 EX_INFO is used to handle reading variable length insns.
501 Return the length of the insn in bits, or 0 if no match,
502 or -1 if an error occurs fetching data (memory_error_func will have
506 extract_insn_normal (CGEN_CPU_DESC cd,
507 const CGEN_INSN *insn,
508 CGEN_EXTRACT_INFO *ex_info,
509 CGEN_INSN_INT insn_value,
513 const CGEN_SYNTAX *syntax = CGEN_INSN_SYNTAX (insn);
514 const CGEN_SYNTAX_CHAR_TYPE *syn;
516 CGEN_FIELDS_BITSIZE (fields) = CGEN_INSN_BITSIZE (insn);
518 CGEN_INIT_EXTRACT (cd);
520 for (syn = CGEN_SYNTAX_STRING (syntax); *syn; ++syn)
524 if (CGEN_SYNTAX_CHAR_P (*syn))
527 length = (* cd->extract_operand) (cd, CGEN_SYNTAX_FIELD (*syn),
528 ex_info, insn_value, fields, pc);
533 /* We recognized and successfully extracted this insn. */
534 return CGEN_INSN_BITSIZE (insn);
537 /* Machine generated code added here. */
539 const char * or1k_cgen_insert_operand
540 (CGEN_CPU_DESC, int, CGEN_FIELDS *, CGEN_INSN_BYTES_PTR, bfd_vma);
542 /* Main entry point for operand insertion.
544 This function is basically just a big switch statement. Earlier versions
545 used tables to look up the function to use, but
546 - if the table contains both assembler and disassembler functions then
547 the disassembler contains much of the assembler and vice-versa,
548 - there's a lot of inlining possibilities as things grow,
549 - using a switch statement avoids the function call overhead.
551 This function could be moved into `parse_insn_normal', but keeping it
552 separate makes clear the interface between `parse_insn_normal' and each of
553 the handlers. It's also needed by GAS to insert operands that couldn't be
554 resolved during parsing. */
557 or1k_cgen_insert_operand (CGEN_CPU_DESC cd,
559 CGEN_FIELDS * fields,
560 CGEN_INSN_BYTES_PTR buffer,
561 bfd_vma pc ATTRIBUTE_UNUSED)
563 const char * errmsg = NULL;
564 unsigned int total_length = CGEN_FIELDS_BITSIZE (fields);
568 case OR1K_OPERAND_DISP26 :
570 long value = fields->f_disp26;
571 value = ((SI) (((value) - (pc))) >> (2));
572 errmsg = insert_normal (cd, value, 0|(1<<CGEN_IFLD_SIGNED)|(1<<CGEN_IFLD_PCREL_ADDR), 0, 25, 26, 32, total_length, buffer);
575 case OR1K_OPERAND_RA :
576 errmsg = insert_normal (cd, fields->f_r2, 0, 0, 20, 5, 32, total_length, buffer);
578 case OR1K_OPERAND_RADF :
579 errmsg = insert_normal (cd, fields->f_r1, 0, 0, 25, 5, 32, total_length, buffer);
581 case OR1K_OPERAND_RASF :
582 errmsg = insert_normal (cd, fields->f_r2, 0, 0, 20, 5, 32, total_length, buffer);
584 case OR1K_OPERAND_RB :
585 errmsg = insert_normal (cd, fields->f_r3, 0, 0, 15, 5, 32, total_length, buffer);
587 case OR1K_OPERAND_RBDF :
588 errmsg = insert_normal (cd, fields->f_r1, 0, 0, 25, 5, 32, total_length, buffer);
590 case OR1K_OPERAND_RBSF :
591 errmsg = insert_normal (cd, fields->f_r3, 0, 0, 15, 5, 32, total_length, buffer);
593 case OR1K_OPERAND_RD :
594 errmsg = insert_normal (cd, fields->f_r1, 0, 0, 25, 5, 32, total_length, buffer);
596 case OR1K_OPERAND_RDDF :
597 errmsg = insert_normal (cd, fields->f_r1, 0, 0, 25, 5, 32, total_length, buffer);
599 case OR1K_OPERAND_RDSF :
600 errmsg = insert_normal (cd, fields->f_r1, 0, 0, 25, 5, 32, total_length, buffer);
602 case OR1K_OPERAND_SIMM16 :
603 errmsg = insert_normal (cd, fields->f_simm16, 0|(1<<CGEN_IFLD_SIGNED)|(1<<CGEN_IFLD_SIGN_OPT), 0, 15, 16, 32, total_length, buffer);
605 case OR1K_OPERAND_SIMM16_SPLIT :
608 FLD (f_imm16_25_5) = ((((INT) (FLD (f_simm16_split)) >> (11))) & (31));
609 FLD (f_imm16_10_11) = ((FLD (f_simm16_split)) & (2047));
611 errmsg = insert_normal (cd, fields->f_imm16_25_5, 0, 0, 25, 5, 32, total_length, buffer);
614 errmsg = insert_normal (cd, fields->f_imm16_10_11, 0, 0, 10, 11, 32, total_length, buffer);
619 case OR1K_OPERAND_UIMM16 :
620 errmsg = insert_normal (cd, fields->f_uimm16, 0, 0, 15, 16, 32, total_length, buffer);
622 case OR1K_OPERAND_UIMM16_SPLIT :
625 FLD (f_imm16_25_5) = ((((UINT) (FLD (f_uimm16_split)) >> (11))) & (31));
626 FLD (f_imm16_10_11) = ((FLD (f_uimm16_split)) & (2047));
628 errmsg = insert_normal (cd, fields->f_imm16_25_5, 0, 0, 25, 5, 32, total_length, buffer);
631 errmsg = insert_normal (cd, fields->f_imm16_10_11, 0, 0, 10, 11, 32, total_length, buffer);
636 case OR1K_OPERAND_UIMM6 :
637 errmsg = insert_normal (cd, fields->f_uimm6, 0, 0, 5, 6, 32, total_length, buffer);
641 /* xgettext:c-format */
642 fprintf (stderr, _("Unrecognized field %d while building insn.\n"),
650 int or1k_cgen_extract_operand
651 (CGEN_CPU_DESC, int, CGEN_EXTRACT_INFO *, CGEN_INSN_INT, CGEN_FIELDS *, bfd_vma);
653 /* Main entry point for operand extraction.
654 The result is <= 0 for error, >0 for success.
655 ??? Actual values aren't well defined right now.
657 This function is basically just a big switch statement. Earlier versions
658 used tables to look up the function to use, but
659 - if the table contains both assembler and disassembler functions then
660 the disassembler contains much of the assembler and vice-versa,
661 - there's a lot of inlining possibilities as things grow,
662 - using a switch statement avoids the function call overhead.
664 This function could be moved into `print_insn_normal', but keeping it
665 separate makes clear the interface between `print_insn_normal' and each of
669 or1k_cgen_extract_operand (CGEN_CPU_DESC cd,
671 CGEN_EXTRACT_INFO *ex_info,
672 CGEN_INSN_INT insn_value,
673 CGEN_FIELDS * fields,
676 /* Assume success (for those operands that are nops). */
678 unsigned int total_length = CGEN_FIELDS_BITSIZE (fields);
682 case OR1K_OPERAND_DISP26 :
685 length = extract_normal (cd, ex_info, insn_value, 0|(1<<CGEN_IFLD_SIGNED)|(1<<CGEN_IFLD_PCREL_ADDR), 0, 25, 26, 32, total_length, pc, & value);
686 value = ((((value) << (2))) + (pc));
687 fields->f_disp26 = value;
690 case OR1K_OPERAND_RA :
691 length = extract_normal (cd, ex_info, insn_value, 0, 0, 20, 5, 32, total_length, pc, & fields->f_r2);
693 case OR1K_OPERAND_RADF :
694 length = extract_normal (cd, ex_info, insn_value, 0, 0, 25, 5, 32, total_length, pc, & fields->f_r1);
696 case OR1K_OPERAND_RASF :
697 length = extract_normal (cd, ex_info, insn_value, 0, 0, 20, 5, 32, total_length, pc, & fields->f_r2);
699 case OR1K_OPERAND_RB :
700 length = extract_normal (cd, ex_info, insn_value, 0, 0, 15, 5, 32, total_length, pc, & fields->f_r3);
702 case OR1K_OPERAND_RBDF :
703 length = extract_normal (cd, ex_info, insn_value, 0, 0, 25, 5, 32, total_length, pc, & fields->f_r1);
705 case OR1K_OPERAND_RBSF :
706 length = extract_normal (cd, ex_info, insn_value, 0, 0, 15, 5, 32, total_length, pc, & fields->f_r3);
708 case OR1K_OPERAND_RD :
709 length = extract_normal (cd, ex_info, insn_value, 0, 0, 25, 5, 32, total_length, pc, & fields->f_r1);
711 case OR1K_OPERAND_RDDF :
712 length = extract_normal (cd, ex_info, insn_value, 0, 0, 25, 5, 32, total_length, pc, & fields->f_r1);
714 case OR1K_OPERAND_RDSF :
715 length = extract_normal (cd, ex_info, insn_value, 0, 0, 25, 5, 32, total_length, pc, & fields->f_r1);
717 case OR1K_OPERAND_SIMM16 :
718 length = extract_normal (cd, ex_info, insn_value, 0|(1<<CGEN_IFLD_SIGNED)|(1<<CGEN_IFLD_SIGN_OPT), 0, 15, 16, 32, total_length, pc, & fields->f_simm16);
720 case OR1K_OPERAND_SIMM16_SPLIT :
722 length = extract_normal (cd, ex_info, insn_value, 0, 0, 25, 5, 32, total_length, pc, & fields->f_imm16_25_5);
723 if (length <= 0) break;
724 length = extract_normal (cd, ex_info, insn_value, 0, 0, 10, 11, 32, total_length, pc, & fields->f_imm16_10_11);
725 if (length <= 0) break;
726 FLD (f_simm16_split) = ((HI) (UINT) (((((FLD (f_imm16_25_5)) << (11))) | (FLD (f_imm16_10_11)))));
729 case OR1K_OPERAND_UIMM16 :
730 length = extract_normal (cd, ex_info, insn_value, 0, 0, 15, 16, 32, total_length, pc, & fields->f_uimm16);
732 case OR1K_OPERAND_UIMM16_SPLIT :
734 length = extract_normal (cd, ex_info, insn_value, 0, 0, 25, 5, 32, total_length, pc, & fields->f_imm16_25_5);
735 if (length <= 0) break;
736 length = extract_normal (cd, ex_info, insn_value, 0, 0, 10, 11, 32, total_length, pc, & fields->f_imm16_10_11);
737 if (length <= 0) break;
738 FLD (f_uimm16_split) = ((UHI) (UINT) (((((FLD (f_imm16_25_5)) << (11))) | (FLD (f_imm16_10_11)))));
741 case OR1K_OPERAND_UIMM6 :
742 length = extract_normal (cd, ex_info, insn_value, 0, 0, 5, 6, 32, total_length, pc, & fields->f_uimm6);
746 /* xgettext:c-format */
747 fprintf (stderr, _("Unrecognized field %d while decoding insn.\n"),
755 cgen_insert_fn * const or1k_cgen_insert_handlers[] =
760 cgen_extract_fn * const or1k_cgen_extract_handlers[] =
765 int or1k_cgen_get_int_operand (CGEN_CPU_DESC, int, const CGEN_FIELDS *);
766 bfd_vma or1k_cgen_get_vma_operand (CGEN_CPU_DESC, int, const CGEN_FIELDS *);
768 /* Getting values from cgen_fields is handled by a collection of functions.
769 They are distinguished by the type of the VALUE argument they return.
770 TODO: floating point, inlining support, remove cases where result type
774 or1k_cgen_get_int_operand (CGEN_CPU_DESC cd ATTRIBUTE_UNUSED,
776 const CGEN_FIELDS * fields)
782 case OR1K_OPERAND_DISP26 :
783 value = fields->f_disp26;
785 case OR1K_OPERAND_RA :
786 value = fields->f_r2;
788 case OR1K_OPERAND_RADF :
789 value = fields->f_r1;
791 case OR1K_OPERAND_RASF :
792 value = fields->f_r2;
794 case OR1K_OPERAND_RB :
795 value = fields->f_r3;
797 case OR1K_OPERAND_RBDF :
798 value = fields->f_r1;
800 case OR1K_OPERAND_RBSF :
801 value = fields->f_r3;
803 case OR1K_OPERAND_RD :
804 value = fields->f_r1;
806 case OR1K_OPERAND_RDDF :
807 value = fields->f_r1;
809 case OR1K_OPERAND_RDSF :
810 value = fields->f_r1;
812 case OR1K_OPERAND_SIMM16 :
813 value = fields->f_simm16;
815 case OR1K_OPERAND_SIMM16_SPLIT :
816 value = fields->f_simm16_split;
818 case OR1K_OPERAND_UIMM16 :
819 value = fields->f_uimm16;
821 case OR1K_OPERAND_UIMM16_SPLIT :
822 value = fields->f_uimm16_split;
824 case OR1K_OPERAND_UIMM6 :
825 value = fields->f_uimm6;
829 /* xgettext:c-format */
830 fprintf (stderr, _("Unrecognized field %d while getting int operand.\n"),
839 or1k_cgen_get_vma_operand (CGEN_CPU_DESC cd ATTRIBUTE_UNUSED,
841 const CGEN_FIELDS * fields)
847 case OR1K_OPERAND_DISP26 :
848 value = fields->f_disp26;
850 case OR1K_OPERAND_RA :
851 value = fields->f_r2;
853 case OR1K_OPERAND_RADF :
854 value = fields->f_r1;
856 case OR1K_OPERAND_RASF :
857 value = fields->f_r2;
859 case OR1K_OPERAND_RB :
860 value = fields->f_r3;
862 case OR1K_OPERAND_RBDF :
863 value = fields->f_r1;
865 case OR1K_OPERAND_RBSF :
866 value = fields->f_r3;
868 case OR1K_OPERAND_RD :
869 value = fields->f_r1;
871 case OR1K_OPERAND_RDDF :
872 value = fields->f_r1;
874 case OR1K_OPERAND_RDSF :
875 value = fields->f_r1;
877 case OR1K_OPERAND_SIMM16 :
878 value = fields->f_simm16;
880 case OR1K_OPERAND_SIMM16_SPLIT :
881 value = fields->f_simm16_split;
883 case OR1K_OPERAND_UIMM16 :
884 value = fields->f_uimm16;
886 case OR1K_OPERAND_UIMM16_SPLIT :
887 value = fields->f_uimm16_split;
889 case OR1K_OPERAND_UIMM6 :
890 value = fields->f_uimm6;
894 /* xgettext:c-format */
895 fprintf (stderr, _("Unrecognized field %d while getting vma operand.\n"),
903 void or1k_cgen_set_int_operand (CGEN_CPU_DESC, int, CGEN_FIELDS *, int);
904 void or1k_cgen_set_vma_operand (CGEN_CPU_DESC, int, CGEN_FIELDS *, bfd_vma);
906 /* Stuffing values in cgen_fields is handled by a collection of functions.
907 They are distinguished by the type of the VALUE argument they accept.
908 TODO: floating point, inlining support, remove cases where argument type
912 or1k_cgen_set_int_operand (CGEN_CPU_DESC cd ATTRIBUTE_UNUSED,
914 CGEN_FIELDS * fields,
919 case OR1K_OPERAND_DISP26 :
920 fields->f_disp26 = value;
922 case OR1K_OPERAND_RA :
923 fields->f_r2 = value;
925 case OR1K_OPERAND_RADF :
926 fields->f_r1 = value;
928 case OR1K_OPERAND_RASF :
929 fields->f_r2 = value;
931 case OR1K_OPERAND_RB :
932 fields->f_r3 = value;
934 case OR1K_OPERAND_RBDF :
935 fields->f_r1 = value;
937 case OR1K_OPERAND_RBSF :
938 fields->f_r3 = value;
940 case OR1K_OPERAND_RD :
941 fields->f_r1 = value;
943 case OR1K_OPERAND_RDDF :
944 fields->f_r1 = value;
946 case OR1K_OPERAND_RDSF :
947 fields->f_r1 = value;
949 case OR1K_OPERAND_SIMM16 :
950 fields->f_simm16 = value;
952 case OR1K_OPERAND_SIMM16_SPLIT :
953 fields->f_simm16_split = value;
955 case OR1K_OPERAND_UIMM16 :
956 fields->f_uimm16 = value;
958 case OR1K_OPERAND_UIMM16_SPLIT :
959 fields->f_uimm16_split = value;
961 case OR1K_OPERAND_UIMM6 :
962 fields->f_uimm6 = value;
966 /* xgettext:c-format */
967 fprintf (stderr, _("Unrecognized field %d while setting int operand.\n"),
974 or1k_cgen_set_vma_operand (CGEN_CPU_DESC cd ATTRIBUTE_UNUSED,
976 CGEN_FIELDS * fields,
981 case OR1K_OPERAND_DISP26 :
982 fields->f_disp26 = value;
984 case OR1K_OPERAND_RA :
985 fields->f_r2 = value;
987 case OR1K_OPERAND_RADF :
988 fields->f_r1 = value;
990 case OR1K_OPERAND_RASF :
991 fields->f_r2 = value;
993 case OR1K_OPERAND_RB :
994 fields->f_r3 = value;
996 case OR1K_OPERAND_RBDF :
997 fields->f_r1 = value;
999 case OR1K_OPERAND_RBSF :
1000 fields->f_r3 = value;
1002 case OR1K_OPERAND_RD :
1003 fields->f_r1 = value;
1005 case OR1K_OPERAND_RDDF :
1006 fields->f_r1 = value;
1008 case OR1K_OPERAND_RDSF :
1009 fields->f_r1 = value;
1011 case OR1K_OPERAND_SIMM16 :
1012 fields->f_simm16 = value;
1014 case OR1K_OPERAND_SIMM16_SPLIT :
1015 fields->f_simm16_split = value;
1017 case OR1K_OPERAND_UIMM16 :
1018 fields->f_uimm16 = value;
1020 case OR1K_OPERAND_UIMM16_SPLIT :
1021 fields->f_uimm16_split = value;
1023 case OR1K_OPERAND_UIMM6 :
1024 fields->f_uimm6 = value;
1028 /* xgettext:c-format */
1029 fprintf (stderr, _("Unrecognized field %d while setting vma operand.\n"),
1035 /* Function to call before using the instruction builder tables. */
1038 or1k_cgen_init_ibld_table (CGEN_CPU_DESC cd)
1040 cd->insert_handlers = & or1k_cgen_insert_handlers[0];
1041 cd->extract_handlers = & or1k_cgen_extract_handlers[0];
1043 cd->insert_operand = or1k_cgen_insert_operand;
1044 cd->extract_operand = or1k_cgen_extract_operand;
1046 cd->get_int_operand = or1k_cgen_get_int_operand;
1047 cd->set_int_operand = or1k_cgen_set_int_operand;
1048 cd->get_vma_operand = or1k_cgen_get_vma_operand;
1049 cd->set_vma_operand = or1k_cgen_set_vma_operand;