1 /* DO NOT EDIT! -*- buffer-read-only: t -*- vi:set ro: */
2 /* Instruction building/extraction support for iq2000. -*- C -*-
4 THIS FILE IS MACHINE GENERATED WITH CGEN: Cpu tools GENerator.
5 - the resultant file is machine generated, cgen-ibld.in isn't
7 Copyright (C) 1996-2023 Free Software Foundation, Inc.
9 This file is part of libopcodes.
11 This library 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 3, or (at your option)
16 It is distributed in the hope that it will be useful, but WITHOUT
17 ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
18 or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public
19 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 51 Franklin Street - Fifth Floor, Boston, MA 02110-1301, USA. */
25 /* ??? Eventually more and more of this stuff can go to cpu-independent files.
34 #include "iq2000-desc.h"
35 #include "iq2000-opc.h"
36 #include "cgen/basic-modes.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 /* Used by the ifield rtx function. */
46 #define FLD(f) (fields->f)
48 static const char * insert_normal
49 (CGEN_CPU_DESC
, long, unsigned int, unsigned int, unsigned int,
50 unsigned int, unsigned int, unsigned int, CGEN_INSN_BYTES_PTR
);
51 static const char * insert_insn_normal
52 (CGEN_CPU_DESC
, const CGEN_INSN
*,
53 CGEN_FIELDS
*, CGEN_INSN_BYTES_PTR
, bfd_vma
);
54 static int extract_normal
55 (CGEN_CPU_DESC
, CGEN_EXTRACT_INFO
*, CGEN_INSN_INT
,
56 unsigned int, unsigned int, unsigned int, unsigned int,
57 unsigned int, unsigned int, bfd_vma
, long *);
58 static int extract_insn_normal
59 (CGEN_CPU_DESC
, const CGEN_INSN
*, CGEN_EXTRACT_INFO
*,
60 CGEN_INSN_INT
, CGEN_FIELDS
*, bfd_vma
);
62 static void put_insn_int_value
63 (CGEN_CPU_DESC
, CGEN_INSN_BYTES_PTR
, int, int, CGEN_INSN_INT
);
66 static CGEN_INLINE
void insert_1
67 (CGEN_CPU_DESC
, unsigned long, int, int, int, unsigned char *);
68 static CGEN_INLINE
int fill_cache
69 (CGEN_CPU_DESC
, CGEN_EXTRACT_INFO
*, int, int, bfd_vma
);
70 static CGEN_INLINE
long extract_1
71 (CGEN_CPU_DESC
, CGEN_EXTRACT_INFO
*, int, int, int, unsigned char *, bfd_vma
);
74 /* Operand insertion. */
78 /* Subroutine of insert_normal. */
80 static CGEN_INLINE
void
81 insert_1 (CGEN_CPU_DESC cd
,
88 unsigned long x
, mask
;
91 x
= cgen_get_insn_value (cd
, bufp
, word_length
, cd
->endian
);
93 /* Written this way to avoid undefined behaviour. */
94 mask
= (1UL << (length
- 1) << 1) - 1;
96 shift
= (start
+ 1) - length
;
98 shift
= (word_length
- (start
+ length
));
99 x
= (x
& ~(mask
<< shift
)) | ((value
& mask
) << shift
);
101 cgen_put_insn_value (cd
, bufp
, word_length
, (bfd_vma
) x
, cd
->endian
);
104 #endif /* ! CGEN_INT_INSN_P */
106 /* Default insertion routine.
108 ATTRS is a mask of the boolean attributes.
109 WORD_OFFSET is the offset in bits from the start of the insn of the value.
110 WORD_LENGTH is the length of the word in bits in which the value resides.
111 START is the starting bit number in the word, architecture origin.
112 LENGTH is the length of VALUE in bits.
113 TOTAL_LENGTH is the total length of the insn in bits.
115 The result is an error message or NULL if success. */
117 /* ??? This duplicates functionality with bfd's howto table and
118 bfd_install_relocation. */
119 /* ??? This doesn't handle bfd_vma's. Create another function when
123 insert_normal (CGEN_CPU_DESC cd
,
126 unsigned int word_offset
,
129 unsigned int word_length
,
130 unsigned int total_length
,
131 CGEN_INSN_BYTES_PTR buffer
)
133 static char errbuf
[100];
136 /* If LENGTH is zero, this operand doesn't contribute to the value. */
140 /* Written this way to avoid undefined behaviour. */
141 mask
= (1UL << (length
- 1) << 1) - 1;
143 if (word_length
> 8 * sizeof (CGEN_INSN_INT
))
146 /* For architectures with insns smaller than the base-insn-bitsize,
147 word_length may be too big. */
148 if (cd
->min_insn_bitsize
< cd
->base_insn_bitsize
)
151 && word_length
> total_length
)
152 word_length
= total_length
;
155 /* Ensure VALUE will fit. */
156 if (CGEN_BOOL_ATTR (attrs
, CGEN_IFLD_SIGN_OPT
))
158 long minval
= - (1UL << (length
- 1));
159 unsigned long maxval
= mask
;
161 if ((value
> 0 && (unsigned long) value
> maxval
)
164 /* xgettext:c-format */
166 _("operand out of range (%ld not between %ld and %lu)"),
167 value
, minval
, maxval
);
171 else if (! CGEN_BOOL_ATTR (attrs
, CGEN_IFLD_SIGNED
))
173 unsigned long maxval
= mask
;
174 unsigned long val
= (unsigned long) value
;
176 /* For hosts with a word size > 32 check to see if value has been sign
177 extended beyond 32 bits. If so then ignore these higher sign bits
178 as the user is attempting to store a 32-bit signed value into an
179 unsigned 32-bit field which is allowed. */
180 if (sizeof (unsigned long) > 4 && ((value
>> 32) == -1))
185 /* xgettext:c-format */
187 _("operand out of range (0x%lx not between 0 and 0x%lx)"),
194 if (! cgen_signed_overflow_ok_p (cd
))
196 long minval
= - (1UL << (length
- 1));
197 long maxval
= (1UL << (length
- 1)) - 1;
199 if (value
< minval
|| value
> maxval
)
202 /* xgettext:c-format */
203 (errbuf
, _("operand out of range (%ld not between %ld and %ld)"),
204 value
, minval
, maxval
);
213 int shift_within_word
, shift_to_word
, shift
;
215 /* How to shift the value to BIT0 of the word. */
216 shift_to_word
= total_length
- (word_offset
+ word_length
);
218 /* How to shift the value to the field within the word. */
219 if (CGEN_INSN_LSB0_P
)
220 shift_within_word
= start
+ 1 - length
;
222 shift_within_word
= word_length
- start
- length
;
224 /* The total SHIFT, then mask in the value. */
225 shift
= shift_to_word
+ shift_within_word
;
226 *buffer
= (*buffer
& ~(mask
<< shift
)) | ((value
& mask
) << shift
);
229 #else /* ! CGEN_INT_INSN_P */
232 unsigned char *bufp
= (unsigned char *) buffer
+ word_offset
/ 8;
234 insert_1 (cd
, value
, start
, length
, word_length
, bufp
);
237 #endif /* ! CGEN_INT_INSN_P */
242 /* Default insn builder (insert handler).
243 The instruction is recorded in CGEN_INT_INSN_P byte order (meaning
244 that if CGEN_INSN_BYTES_PTR is an int * and thus, the value is
245 recorded in host byte order, otherwise BUFFER is an array of bytes
246 and the value is recorded in target byte order).
247 The result is an error message or NULL if success. */
250 insert_insn_normal (CGEN_CPU_DESC cd
,
251 const CGEN_INSN
* insn
,
252 CGEN_FIELDS
* fields
,
253 CGEN_INSN_BYTES_PTR buffer
,
256 const CGEN_SYNTAX
*syntax
= CGEN_INSN_SYNTAX (insn
);
258 const CGEN_SYNTAX_CHAR_TYPE
* syn
;
260 CGEN_INIT_INSERT (cd
);
261 value
= CGEN_INSN_BASE_VALUE (insn
);
263 /* If we're recording insns as numbers (rather than a string of bytes),
264 target byte order handling is deferred until later. */
268 put_insn_int_value (cd
, buffer
, cd
->base_insn_bitsize
,
269 CGEN_FIELDS_BITSIZE (fields
), value
);
273 cgen_put_insn_value (cd
, buffer
, min ((unsigned) cd
->base_insn_bitsize
,
274 (unsigned) CGEN_FIELDS_BITSIZE (fields
)),
275 value
, cd
->insn_endian
);
277 #endif /* ! CGEN_INT_INSN_P */
279 /* ??? It would be better to scan the format's fields.
280 Still need to be able to insert a value based on the operand though;
281 e.g. storing a branch displacement that got resolved later.
282 Needs more thought first. */
284 for (syn
= CGEN_SYNTAX_STRING (syntax
); * syn
; ++ syn
)
288 if (CGEN_SYNTAX_CHAR_P (* syn
))
291 errmsg
= (* cd
->insert_operand
) (cd
, CGEN_SYNTAX_FIELD (*syn
),
301 /* Cover function to store an insn value into an integral insn. Must go here
302 because it needs <prefix>-desc.h for CGEN_INT_INSN_P. */
305 put_insn_int_value (CGEN_CPU_DESC cd ATTRIBUTE_UNUSED
,
306 CGEN_INSN_BYTES_PTR buf
,
311 /* For architectures with insns smaller than the base-insn-bitsize,
312 length may be too big. */
313 if (length
> insn_length
)
317 int shift
= insn_length
- length
;
318 /* Written this way to avoid undefined behaviour. */
319 CGEN_INSN_INT mask
= length
== 0 ? 0 : (1UL << (length
- 1) << 1) - 1;
321 *buf
= (*buf
& ~(mask
<< shift
)) | ((value
& mask
) << shift
);
326 /* Operand extraction. */
328 #if ! CGEN_INT_INSN_P
330 /* Subroutine of extract_normal.
331 Ensure sufficient bytes are cached in EX_INFO.
332 OFFSET is the offset in bytes from the start of the insn of the value.
333 BYTES is the length of the needed value.
334 Returns 1 for success, 0 for failure. */
336 static CGEN_INLINE
int
337 fill_cache (CGEN_CPU_DESC cd ATTRIBUTE_UNUSED
,
338 CGEN_EXTRACT_INFO
*ex_info
,
343 /* It's doubtful that the middle part has already been fetched so
344 we don't optimize that case. kiss. */
346 disassemble_info
*info
= (disassemble_info
*) ex_info
->dis_info
;
348 /* First do a quick check. */
349 mask
= (1 << bytes
) - 1;
350 if (((ex_info
->valid
>> offset
) & mask
) == mask
)
353 /* Search for the first byte we need to read. */
354 for (mask
= 1 << offset
; bytes
> 0; --bytes
, ++offset
, mask
<<= 1)
355 if (! (mask
& ex_info
->valid
))
363 status
= (*info
->read_memory_func
)
364 (pc
, ex_info
->insn_bytes
+ offset
, bytes
, info
);
368 (*info
->memory_error_func
) (status
, pc
, info
);
372 ex_info
->valid
|= ((1 << bytes
) - 1) << offset
;
378 /* Subroutine of extract_normal. */
380 static CGEN_INLINE
long
381 extract_1 (CGEN_CPU_DESC cd
,
382 CGEN_EXTRACT_INFO
*ex_info ATTRIBUTE_UNUSED
,
387 bfd_vma pc ATTRIBUTE_UNUSED
)
392 x
= cgen_get_insn_value (cd
, bufp
, word_length
, cd
->endian
);
394 if (CGEN_INSN_LSB0_P
)
395 shift
= (start
+ 1) - length
;
397 shift
= (word_length
- (start
+ length
));
401 #endif /* ! CGEN_INT_INSN_P */
403 /* Default extraction routine.
405 INSN_VALUE is the first base_insn_bitsize bits of the insn in host order,
406 or sometimes less for cases like the m32r where the base insn size is 32
407 but some insns are 16 bits.
408 ATTRS is a mask of the boolean attributes. We only need `SIGNED',
409 but for generality we take a bitmask of all of them.
410 WORD_OFFSET is the offset in bits from the start of the insn of the value.
411 WORD_LENGTH is the length of the word in bits in which the value resides.
412 START is the starting bit number in the word, architecture origin.
413 LENGTH is the length of VALUE in bits.
414 TOTAL_LENGTH is the total length of the insn in bits.
416 Returns 1 for success, 0 for failure. */
418 /* ??? The return code isn't properly used. wip. */
420 /* ??? This doesn't handle bfd_vma's. Create another function when
424 extract_normal (CGEN_CPU_DESC cd
,
425 #if ! CGEN_INT_INSN_P
426 CGEN_EXTRACT_INFO
*ex_info
,
428 CGEN_EXTRACT_INFO
*ex_info ATTRIBUTE_UNUSED
,
430 CGEN_INSN_INT insn_value
,
432 unsigned int word_offset
,
435 unsigned int word_length
,
436 unsigned int total_length
,
437 #if ! CGEN_INT_INSN_P
440 bfd_vma pc ATTRIBUTE_UNUSED
,
446 /* If LENGTH is zero, this operand doesn't contribute to the value
447 so give it a standard value of zero. */
454 if (word_length
> 8 * sizeof (CGEN_INSN_INT
))
457 /* For architectures with insns smaller than the insn-base-bitsize,
458 word_length may be too big. */
459 if (cd
->min_insn_bitsize
< cd
->base_insn_bitsize
)
461 if (word_offset
+ word_length
> total_length
)
462 word_length
= total_length
- word_offset
;
465 /* Does the value reside in INSN_VALUE, and at the right alignment? */
467 if (CGEN_INT_INSN_P
|| (word_offset
== 0 && word_length
== total_length
))
469 if (CGEN_INSN_LSB0_P
)
470 value
= insn_value
>> ((word_offset
+ start
+ 1) - length
);
472 value
= insn_value
>> (total_length
- ( word_offset
+ start
+ length
));
475 #if ! CGEN_INT_INSN_P
479 unsigned char *bufp
= ex_info
->insn_bytes
+ word_offset
/ 8;
481 if (word_length
> 8 * sizeof (CGEN_INSN_INT
))
484 if (fill_cache (cd
, ex_info
, word_offset
/ 8, word_length
/ 8, pc
) == 0)
490 value
= extract_1 (cd
, ex_info
, start
, length
, word_length
, bufp
, pc
);
493 #endif /* ! CGEN_INT_INSN_P */
495 /* Written this way to avoid undefined behaviour. */
496 mask
= (1UL << (length
- 1) << 1) - 1;
500 if (CGEN_BOOL_ATTR (attrs
, CGEN_IFLD_SIGNED
)
501 && (value
& (1UL << (length
- 1))))
509 /* Default insn extractor.
511 INSN_VALUE is the first base_insn_bitsize bits, translated to host order.
512 The extracted fields are stored in FIELDS.
513 EX_INFO is used to handle reading variable length insns.
514 Return the length of the insn in bits, or 0 if no match,
515 or -1 if an error occurs fetching data (memory_error_func will have
519 extract_insn_normal (CGEN_CPU_DESC cd
,
520 const CGEN_INSN
*insn
,
521 CGEN_EXTRACT_INFO
*ex_info
,
522 CGEN_INSN_INT insn_value
,
526 const CGEN_SYNTAX
*syntax
= CGEN_INSN_SYNTAX (insn
);
527 const CGEN_SYNTAX_CHAR_TYPE
*syn
;
529 CGEN_FIELDS_BITSIZE (fields
) = CGEN_INSN_BITSIZE (insn
);
531 CGEN_INIT_EXTRACT (cd
);
533 for (syn
= CGEN_SYNTAX_STRING (syntax
); *syn
; ++syn
)
537 if (CGEN_SYNTAX_CHAR_P (*syn
))
540 length
= (* cd
->extract_operand
) (cd
, CGEN_SYNTAX_FIELD (*syn
),
541 ex_info
, insn_value
, fields
, pc
);
546 /* We recognized and successfully extracted this insn. */
547 return CGEN_INSN_BITSIZE (insn
);
550 /* Machine generated code added here. */
552 const char * iq2000_cgen_insert_operand
553 (CGEN_CPU_DESC
, int, CGEN_FIELDS
*, CGEN_INSN_BYTES_PTR
, bfd_vma
);
555 /* Main entry point for operand insertion.
557 This function is basically just a big switch statement. Earlier versions
558 used tables to look up the function to use, but
559 - if the table contains both assembler and disassembler functions then
560 the disassembler contains much of the assembler and vice-versa,
561 - there's a lot of inlining possibilities as things grow,
562 - using a switch statement avoids the function call overhead.
564 This function could be moved into `parse_insn_normal', but keeping it
565 separate makes clear the interface between `parse_insn_normal' and each of
566 the handlers. It's also needed by GAS to insert operands that couldn't be
567 resolved during parsing. */
570 iq2000_cgen_insert_operand (CGEN_CPU_DESC cd
,
572 CGEN_FIELDS
* fields
,
573 CGEN_INSN_BYTES_PTR buffer
,
574 bfd_vma pc ATTRIBUTE_UNUSED
)
576 const char * errmsg
= NULL
;
577 unsigned int total_length
= CGEN_FIELDS_BITSIZE (fields
);
581 case IQ2000_OPERAND__INDEX
:
582 errmsg
= insert_normal (cd
, fields
->f_index
, 0, 0, 8, 9, 32, total_length
, buffer
);
584 case IQ2000_OPERAND_BASE
:
585 errmsg
= insert_normal (cd
, fields
->f_rs
, 0, 0, 25, 5, 32, total_length
, buffer
);
587 case IQ2000_OPERAND_BASEOFF
:
588 errmsg
= insert_normal (cd
, fields
->f_imm
, 0, 0, 15, 16, 32, total_length
, buffer
);
590 case IQ2000_OPERAND_BITNUM
:
591 errmsg
= insert_normal (cd
, fields
->f_rt
, 0, 0, 20, 5, 32, total_length
, buffer
);
593 case IQ2000_OPERAND_BYTECOUNT
:
594 errmsg
= insert_normal (cd
, fields
->f_bytecount
, 0, 0, 7, 8, 32, total_length
, buffer
);
596 case IQ2000_OPERAND_CAM_Y
:
597 errmsg
= insert_normal (cd
, fields
->f_cam_y
, 0, 0, 2, 3, 32, total_length
, buffer
);
599 case IQ2000_OPERAND_CAM_Z
:
600 errmsg
= insert_normal (cd
, fields
->f_cam_z
, 0, 0, 5, 3, 32, total_length
, buffer
);
602 case IQ2000_OPERAND_CM_3FUNC
:
603 errmsg
= insert_normal (cd
, fields
->f_cm_3func
, 0, 0, 5, 3, 32, total_length
, buffer
);
605 case IQ2000_OPERAND_CM_3Z
:
606 errmsg
= insert_normal (cd
, fields
->f_cm_3z
, 0, 0, 1, 2, 32, total_length
, buffer
);
608 case IQ2000_OPERAND_CM_4FUNC
:
609 errmsg
= insert_normal (cd
, fields
->f_cm_4func
, 0, 0, 5, 4, 32, total_length
, buffer
);
611 case IQ2000_OPERAND_CM_4Z
:
612 errmsg
= insert_normal (cd
, fields
->f_cm_4z
, 0, 0, 2, 3, 32, total_length
, buffer
);
614 case IQ2000_OPERAND_COUNT
:
615 errmsg
= insert_normal (cd
, fields
->f_count
, 0, 0, 15, 7, 32, total_length
, buffer
);
617 case IQ2000_OPERAND_EXECODE
:
618 errmsg
= insert_normal (cd
, fields
->f_excode
, 0, 0, 25, 20, 32, total_length
, buffer
);
620 case IQ2000_OPERAND_HI16
:
621 errmsg
= insert_normal (cd
, fields
->f_imm
, 0, 0, 15, 16, 32, total_length
, buffer
);
623 case IQ2000_OPERAND_IMM
:
624 errmsg
= insert_normal (cd
, fields
->f_imm
, 0, 0, 15, 16, 32, total_length
, buffer
);
626 case IQ2000_OPERAND_JMPTARG
:
628 long value
= fields
->f_jtarg
;
629 value
= ((USI
) (((value
) & (262143))) >> (2));
630 errmsg
= insert_normal (cd
, value
, 0|(1<<CGEN_IFLD_ABS_ADDR
), 0, 15, 16, 32, total_length
, buffer
);
633 case IQ2000_OPERAND_JMPTARGQ10
:
635 long value
= fields
->f_jtargq10
;
636 value
= ((USI
) (((value
) & (8388607))) >> (2));
637 errmsg
= insert_normal (cd
, value
, 0|(1<<CGEN_IFLD_ABS_ADDR
), 0, 20, 21, 32, total_length
, buffer
);
640 case IQ2000_OPERAND_LO16
:
641 errmsg
= insert_normal (cd
, fields
->f_imm
, 0, 0, 15, 16, 32, total_length
, buffer
);
643 case IQ2000_OPERAND_MASK
:
644 errmsg
= insert_normal (cd
, fields
->f_mask
, 0, 0, 9, 4, 32, total_length
, buffer
);
646 case IQ2000_OPERAND_MASKL
:
647 errmsg
= insert_normal (cd
, fields
->f_maskl
, 0, 0, 4, 5, 32, total_length
, buffer
);
649 case IQ2000_OPERAND_MASKQ10
:
650 errmsg
= insert_normal (cd
, fields
->f_maskq10
, 0, 0, 10, 5, 32, total_length
, buffer
);
652 case IQ2000_OPERAND_MASKR
:
653 errmsg
= insert_normal (cd
, fields
->f_rs
, 0, 0, 25, 5, 32, total_length
, buffer
);
655 case IQ2000_OPERAND_MLO16
:
656 errmsg
= insert_normal (cd
, fields
->f_imm
, 0, 0, 15, 16, 32, total_length
, buffer
);
658 case IQ2000_OPERAND_OFFSET
:
660 long value
= fields
->f_offset
;
661 value
= ((SI
) (((value
) - (pc
))) >> (2));
662 errmsg
= insert_normal (cd
, value
, 0|(1<<CGEN_IFLD_SIGNED
)|(1<<CGEN_IFLD_PCREL_ADDR
), 0, 15, 16, 32, total_length
, buffer
);
665 case IQ2000_OPERAND_RD
:
666 errmsg
= insert_normal (cd
, fields
->f_rd
, 0, 0, 15, 5, 32, total_length
, buffer
);
668 case IQ2000_OPERAND_RD_RS
:
671 FLD (f_rd
) = FLD (f_rd_rs
);
672 FLD (f_rs
) = FLD (f_rd_rs
);
674 errmsg
= insert_normal (cd
, fields
->f_rd
, 0, 0, 15, 5, 32, total_length
, buffer
);
677 errmsg
= insert_normal (cd
, fields
->f_rs
, 0, 0, 25, 5, 32, total_length
, buffer
);
682 case IQ2000_OPERAND_RD_RT
:
685 FLD (f_rd
) = FLD (f_rd_rt
);
686 FLD (f_rt
) = FLD (f_rd_rt
);
688 errmsg
= insert_normal (cd
, fields
->f_rd
, 0, 0, 15, 5, 32, total_length
, buffer
);
691 errmsg
= insert_normal (cd
, fields
->f_rt
, 0, 0, 20, 5, 32, total_length
, buffer
);
696 case IQ2000_OPERAND_RS
:
697 errmsg
= insert_normal (cd
, fields
->f_rs
, 0, 0, 25, 5, 32, total_length
, buffer
);
699 case IQ2000_OPERAND_RT
:
700 errmsg
= insert_normal (cd
, fields
->f_rt
, 0, 0, 20, 5, 32, total_length
, buffer
);
702 case IQ2000_OPERAND_RT_RS
:
705 FLD (f_rt
) = FLD (f_rt_rs
);
706 FLD (f_rs
) = FLD (f_rt_rs
);
708 errmsg
= insert_normal (cd
, fields
->f_rt
, 0, 0, 20, 5, 32, total_length
, buffer
);
711 errmsg
= insert_normal (cd
, fields
->f_rs
, 0, 0, 25, 5, 32, total_length
, buffer
);
716 case IQ2000_OPERAND_SHAMT
:
717 errmsg
= insert_normal (cd
, fields
->f_shamt
, 0, 0, 10, 5, 32, total_length
, buffer
);
721 /* xgettext:c-format */
722 opcodes_error_handler
723 (_("internal error: unrecognized field %d while building insn"),
731 int iq2000_cgen_extract_operand
732 (CGEN_CPU_DESC
, int, CGEN_EXTRACT_INFO
*, CGEN_INSN_INT
, CGEN_FIELDS
*, bfd_vma
);
734 /* Main entry point for operand extraction.
735 The result is <= 0 for error, >0 for success.
736 ??? Actual values aren't well defined right now.
738 This function is basically just a big switch statement. Earlier versions
739 used tables to look up the function to use, but
740 - if the table contains both assembler and disassembler functions then
741 the disassembler contains much of the assembler and vice-versa,
742 - there's a lot of inlining possibilities as things grow,
743 - using a switch statement avoids the function call overhead.
745 This function could be moved into `print_insn_normal', but keeping it
746 separate makes clear the interface between `print_insn_normal' and each of
750 iq2000_cgen_extract_operand (CGEN_CPU_DESC cd
,
752 CGEN_EXTRACT_INFO
*ex_info
,
753 CGEN_INSN_INT insn_value
,
754 CGEN_FIELDS
* fields
,
757 /* Assume success (for those operands that are nops). */
759 unsigned int total_length
= CGEN_FIELDS_BITSIZE (fields
);
763 case IQ2000_OPERAND__INDEX
:
764 length
= extract_normal (cd
, ex_info
, insn_value
, 0, 0, 8, 9, 32, total_length
, pc
, & fields
->f_index
);
766 case IQ2000_OPERAND_BASE
:
767 length
= extract_normal (cd
, ex_info
, insn_value
, 0, 0, 25, 5, 32, total_length
, pc
, & fields
->f_rs
);
769 case IQ2000_OPERAND_BASEOFF
:
770 length
= extract_normal (cd
, ex_info
, insn_value
, 0, 0, 15, 16, 32, total_length
, pc
, & fields
->f_imm
);
772 case IQ2000_OPERAND_BITNUM
:
773 length
= extract_normal (cd
, ex_info
, insn_value
, 0, 0, 20, 5, 32, total_length
, pc
, & fields
->f_rt
);
775 case IQ2000_OPERAND_BYTECOUNT
:
776 length
= extract_normal (cd
, ex_info
, insn_value
, 0, 0, 7, 8, 32, total_length
, pc
, & fields
->f_bytecount
);
778 case IQ2000_OPERAND_CAM_Y
:
779 length
= extract_normal (cd
, ex_info
, insn_value
, 0, 0, 2, 3, 32, total_length
, pc
, & fields
->f_cam_y
);
781 case IQ2000_OPERAND_CAM_Z
:
782 length
= extract_normal (cd
, ex_info
, insn_value
, 0, 0, 5, 3, 32, total_length
, pc
, & fields
->f_cam_z
);
784 case IQ2000_OPERAND_CM_3FUNC
:
785 length
= extract_normal (cd
, ex_info
, insn_value
, 0, 0, 5, 3, 32, total_length
, pc
, & fields
->f_cm_3func
);
787 case IQ2000_OPERAND_CM_3Z
:
788 length
= extract_normal (cd
, ex_info
, insn_value
, 0, 0, 1, 2, 32, total_length
, pc
, & fields
->f_cm_3z
);
790 case IQ2000_OPERAND_CM_4FUNC
:
791 length
= extract_normal (cd
, ex_info
, insn_value
, 0, 0, 5, 4, 32, total_length
, pc
, & fields
->f_cm_4func
);
793 case IQ2000_OPERAND_CM_4Z
:
794 length
= extract_normal (cd
, ex_info
, insn_value
, 0, 0, 2, 3, 32, total_length
, pc
, & fields
->f_cm_4z
);
796 case IQ2000_OPERAND_COUNT
:
797 length
= extract_normal (cd
, ex_info
, insn_value
, 0, 0, 15, 7, 32, total_length
, pc
, & fields
->f_count
);
799 case IQ2000_OPERAND_EXECODE
:
800 length
= extract_normal (cd
, ex_info
, insn_value
, 0, 0, 25, 20, 32, total_length
, pc
, & fields
->f_excode
);
802 case IQ2000_OPERAND_HI16
:
803 length
= extract_normal (cd
, ex_info
, insn_value
, 0, 0, 15, 16, 32, total_length
, pc
, & fields
->f_imm
);
805 case IQ2000_OPERAND_IMM
:
806 length
= extract_normal (cd
, ex_info
, insn_value
, 0, 0, 15, 16, 32, total_length
, pc
, & fields
->f_imm
);
808 case IQ2000_OPERAND_JMPTARG
:
811 length
= extract_normal (cd
, ex_info
, insn_value
, 0|(1<<CGEN_IFLD_ABS_ADDR
), 0, 15, 16, 32, total_length
, pc
, & value
);
812 value
= ((((pc
) & (0xf0000000))) | (((value
) << (2))));
813 fields
->f_jtarg
= value
;
816 case IQ2000_OPERAND_JMPTARGQ10
:
819 length
= extract_normal (cd
, ex_info
, insn_value
, 0|(1<<CGEN_IFLD_ABS_ADDR
), 0, 20, 21, 32, total_length
, pc
, & value
);
820 value
= ((((pc
) & (0xf0000000))) | (((value
) << (2))));
821 fields
->f_jtargq10
= value
;
824 case IQ2000_OPERAND_LO16
:
825 length
= extract_normal (cd
, ex_info
, insn_value
, 0, 0, 15, 16, 32, total_length
, pc
, & fields
->f_imm
);
827 case IQ2000_OPERAND_MASK
:
828 length
= extract_normal (cd
, ex_info
, insn_value
, 0, 0, 9, 4, 32, total_length
, pc
, & fields
->f_mask
);
830 case IQ2000_OPERAND_MASKL
:
831 length
= extract_normal (cd
, ex_info
, insn_value
, 0, 0, 4, 5, 32, total_length
, pc
, & fields
->f_maskl
);
833 case IQ2000_OPERAND_MASKQ10
:
834 length
= extract_normal (cd
, ex_info
, insn_value
, 0, 0, 10, 5, 32, total_length
, pc
, & fields
->f_maskq10
);
836 case IQ2000_OPERAND_MASKR
:
837 length
= extract_normal (cd
, ex_info
, insn_value
, 0, 0, 25, 5, 32, total_length
, pc
, & fields
->f_rs
);
839 case IQ2000_OPERAND_MLO16
:
840 length
= extract_normal (cd
, ex_info
, insn_value
, 0, 0, 15, 16, 32, total_length
, pc
, & fields
->f_imm
);
842 case IQ2000_OPERAND_OFFSET
:
845 length
= extract_normal (cd
, ex_info
, insn_value
, 0|(1<<CGEN_IFLD_SIGNED
)|(1<<CGEN_IFLD_PCREL_ADDR
), 0, 15, 16, 32, total_length
, pc
, & value
);
846 value
= ((((value
) * (4))) + (((pc
) + (4))));
847 fields
->f_offset
= value
;
850 case IQ2000_OPERAND_RD
:
851 length
= extract_normal (cd
, ex_info
, insn_value
, 0, 0, 15, 5, 32, total_length
, pc
, & fields
->f_rd
);
853 case IQ2000_OPERAND_RD_RS
:
855 length
= extract_normal (cd
, ex_info
, insn_value
, 0, 0, 15, 5, 32, total_length
, pc
, & fields
->f_rd
);
856 if (length
<= 0) break;
857 length
= extract_normal (cd
, ex_info
, insn_value
, 0, 0, 25, 5, 32, total_length
, pc
, & fields
->f_rs
);
858 if (length
<= 0) break;
860 FLD (f_rd_rs
) = FLD (f_rs
);
864 case IQ2000_OPERAND_RD_RT
:
866 length
= extract_normal (cd
, ex_info
, insn_value
, 0, 0, 15, 5, 32, total_length
, pc
, & fields
->f_rd
);
867 if (length
<= 0) break;
868 length
= extract_normal (cd
, ex_info
, insn_value
, 0, 0, 20, 5, 32, total_length
, pc
, & fields
->f_rt
);
869 if (length
<= 0) break;
871 FLD (f_rd_rt
) = FLD (f_rt
);
875 case IQ2000_OPERAND_RS
:
876 length
= extract_normal (cd
, ex_info
, insn_value
, 0, 0, 25, 5, 32, total_length
, pc
, & fields
->f_rs
);
878 case IQ2000_OPERAND_RT
:
879 length
= extract_normal (cd
, ex_info
, insn_value
, 0, 0, 20, 5, 32, total_length
, pc
, & fields
->f_rt
);
881 case IQ2000_OPERAND_RT_RS
:
883 length
= extract_normal (cd
, ex_info
, insn_value
, 0, 0, 20, 5, 32, total_length
, pc
, & fields
->f_rt
);
884 if (length
<= 0) break;
885 length
= extract_normal (cd
, ex_info
, insn_value
, 0, 0, 25, 5, 32, total_length
, pc
, & fields
->f_rs
);
886 if (length
<= 0) break;
888 FLD (f_rd_rs
) = FLD (f_rs
);
892 case IQ2000_OPERAND_SHAMT
:
893 length
= extract_normal (cd
, ex_info
, insn_value
, 0, 0, 10, 5, 32, total_length
, pc
, & fields
->f_shamt
);
897 /* xgettext:c-format */
898 opcodes_error_handler
899 (_("internal error: unrecognized field %d while decoding insn"),
907 cgen_insert_fn
* const iq2000_cgen_insert_handlers
[] =
912 cgen_extract_fn
* const iq2000_cgen_extract_handlers
[] =
917 int iq2000_cgen_get_int_operand (CGEN_CPU_DESC
, int, const CGEN_FIELDS
*);
918 bfd_vma
iq2000_cgen_get_vma_operand (CGEN_CPU_DESC
, int, const CGEN_FIELDS
*);
920 /* Getting values from cgen_fields is handled by a collection of functions.
921 They are distinguished by the type of the VALUE argument they return.
922 TODO: floating point, inlining support, remove cases where result type
926 iq2000_cgen_get_int_operand (CGEN_CPU_DESC cd ATTRIBUTE_UNUSED
,
928 const CGEN_FIELDS
* fields
)
934 case IQ2000_OPERAND__INDEX
:
935 value
= fields
->f_index
;
937 case IQ2000_OPERAND_BASE
:
938 value
= fields
->f_rs
;
940 case IQ2000_OPERAND_BASEOFF
:
941 value
= fields
->f_imm
;
943 case IQ2000_OPERAND_BITNUM
:
944 value
= fields
->f_rt
;
946 case IQ2000_OPERAND_BYTECOUNT
:
947 value
= fields
->f_bytecount
;
949 case IQ2000_OPERAND_CAM_Y
:
950 value
= fields
->f_cam_y
;
952 case IQ2000_OPERAND_CAM_Z
:
953 value
= fields
->f_cam_z
;
955 case IQ2000_OPERAND_CM_3FUNC
:
956 value
= fields
->f_cm_3func
;
958 case IQ2000_OPERAND_CM_3Z
:
959 value
= fields
->f_cm_3z
;
961 case IQ2000_OPERAND_CM_4FUNC
:
962 value
= fields
->f_cm_4func
;
964 case IQ2000_OPERAND_CM_4Z
:
965 value
= fields
->f_cm_4z
;
967 case IQ2000_OPERAND_COUNT
:
968 value
= fields
->f_count
;
970 case IQ2000_OPERAND_EXECODE
:
971 value
= fields
->f_excode
;
973 case IQ2000_OPERAND_HI16
:
974 value
= fields
->f_imm
;
976 case IQ2000_OPERAND_IMM
:
977 value
= fields
->f_imm
;
979 case IQ2000_OPERAND_JMPTARG
:
980 value
= fields
->f_jtarg
;
982 case IQ2000_OPERAND_JMPTARGQ10
:
983 value
= fields
->f_jtargq10
;
985 case IQ2000_OPERAND_LO16
:
986 value
= fields
->f_imm
;
988 case IQ2000_OPERAND_MASK
:
989 value
= fields
->f_mask
;
991 case IQ2000_OPERAND_MASKL
:
992 value
= fields
->f_maskl
;
994 case IQ2000_OPERAND_MASKQ10
:
995 value
= fields
->f_maskq10
;
997 case IQ2000_OPERAND_MASKR
:
998 value
= fields
->f_rs
;
1000 case IQ2000_OPERAND_MLO16
:
1001 value
= fields
->f_imm
;
1003 case IQ2000_OPERAND_OFFSET
:
1004 value
= fields
->f_offset
;
1006 case IQ2000_OPERAND_RD
:
1007 value
= fields
->f_rd
;
1009 case IQ2000_OPERAND_RD_RS
:
1010 value
= fields
->f_rd_rs
;
1012 case IQ2000_OPERAND_RD_RT
:
1013 value
= fields
->f_rd_rt
;
1015 case IQ2000_OPERAND_RS
:
1016 value
= fields
->f_rs
;
1018 case IQ2000_OPERAND_RT
:
1019 value
= fields
->f_rt
;
1021 case IQ2000_OPERAND_RT_RS
:
1022 value
= fields
->f_rt_rs
;
1024 case IQ2000_OPERAND_SHAMT
:
1025 value
= fields
->f_shamt
;
1029 /* xgettext:c-format */
1030 opcodes_error_handler
1031 (_("internal error: unrecognized field %d while getting int operand"),
1040 iq2000_cgen_get_vma_operand (CGEN_CPU_DESC cd ATTRIBUTE_UNUSED
,
1042 const CGEN_FIELDS
* fields
)
1048 case IQ2000_OPERAND__INDEX
:
1049 value
= fields
->f_index
;
1051 case IQ2000_OPERAND_BASE
:
1052 value
= fields
->f_rs
;
1054 case IQ2000_OPERAND_BASEOFF
:
1055 value
= fields
->f_imm
;
1057 case IQ2000_OPERAND_BITNUM
:
1058 value
= fields
->f_rt
;
1060 case IQ2000_OPERAND_BYTECOUNT
:
1061 value
= fields
->f_bytecount
;
1063 case IQ2000_OPERAND_CAM_Y
:
1064 value
= fields
->f_cam_y
;
1066 case IQ2000_OPERAND_CAM_Z
:
1067 value
= fields
->f_cam_z
;
1069 case IQ2000_OPERAND_CM_3FUNC
:
1070 value
= fields
->f_cm_3func
;
1072 case IQ2000_OPERAND_CM_3Z
:
1073 value
= fields
->f_cm_3z
;
1075 case IQ2000_OPERAND_CM_4FUNC
:
1076 value
= fields
->f_cm_4func
;
1078 case IQ2000_OPERAND_CM_4Z
:
1079 value
= fields
->f_cm_4z
;
1081 case IQ2000_OPERAND_COUNT
:
1082 value
= fields
->f_count
;
1084 case IQ2000_OPERAND_EXECODE
:
1085 value
= fields
->f_excode
;
1087 case IQ2000_OPERAND_HI16
:
1088 value
= fields
->f_imm
;
1090 case IQ2000_OPERAND_IMM
:
1091 value
= fields
->f_imm
;
1093 case IQ2000_OPERAND_JMPTARG
:
1094 value
= fields
->f_jtarg
;
1096 case IQ2000_OPERAND_JMPTARGQ10
:
1097 value
= fields
->f_jtargq10
;
1099 case IQ2000_OPERAND_LO16
:
1100 value
= fields
->f_imm
;
1102 case IQ2000_OPERAND_MASK
:
1103 value
= fields
->f_mask
;
1105 case IQ2000_OPERAND_MASKL
:
1106 value
= fields
->f_maskl
;
1108 case IQ2000_OPERAND_MASKQ10
:
1109 value
= fields
->f_maskq10
;
1111 case IQ2000_OPERAND_MASKR
:
1112 value
= fields
->f_rs
;
1114 case IQ2000_OPERAND_MLO16
:
1115 value
= fields
->f_imm
;
1117 case IQ2000_OPERAND_OFFSET
:
1118 value
= fields
->f_offset
;
1120 case IQ2000_OPERAND_RD
:
1121 value
= fields
->f_rd
;
1123 case IQ2000_OPERAND_RD_RS
:
1124 value
= fields
->f_rd_rs
;
1126 case IQ2000_OPERAND_RD_RT
:
1127 value
= fields
->f_rd_rt
;
1129 case IQ2000_OPERAND_RS
:
1130 value
= fields
->f_rs
;
1132 case IQ2000_OPERAND_RT
:
1133 value
= fields
->f_rt
;
1135 case IQ2000_OPERAND_RT_RS
:
1136 value
= fields
->f_rt_rs
;
1138 case IQ2000_OPERAND_SHAMT
:
1139 value
= fields
->f_shamt
;
1143 /* xgettext:c-format */
1144 opcodes_error_handler
1145 (_("internal error: unrecognized field %d while getting vma operand"),
1153 void iq2000_cgen_set_int_operand (CGEN_CPU_DESC
, int, CGEN_FIELDS
*, int);
1154 void iq2000_cgen_set_vma_operand (CGEN_CPU_DESC
, int, CGEN_FIELDS
*, bfd_vma
);
1156 /* Stuffing values in cgen_fields is handled by a collection of functions.
1157 They are distinguished by the type of the VALUE argument they accept.
1158 TODO: floating point, inlining support, remove cases where argument type
1162 iq2000_cgen_set_int_operand (CGEN_CPU_DESC cd ATTRIBUTE_UNUSED
,
1164 CGEN_FIELDS
* fields
,
1169 case IQ2000_OPERAND__INDEX
:
1170 fields
->f_index
= value
;
1172 case IQ2000_OPERAND_BASE
:
1173 fields
->f_rs
= value
;
1175 case IQ2000_OPERAND_BASEOFF
:
1176 fields
->f_imm
= value
;
1178 case IQ2000_OPERAND_BITNUM
:
1179 fields
->f_rt
= value
;
1181 case IQ2000_OPERAND_BYTECOUNT
:
1182 fields
->f_bytecount
= value
;
1184 case IQ2000_OPERAND_CAM_Y
:
1185 fields
->f_cam_y
= value
;
1187 case IQ2000_OPERAND_CAM_Z
:
1188 fields
->f_cam_z
= value
;
1190 case IQ2000_OPERAND_CM_3FUNC
:
1191 fields
->f_cm_3func
= value
;
1193 case IQ2000_OPERAND_CM_3Z
:
1194 fields
->f_cm_3z
= value
;
1196 case IQ2000_OPERAND_CM_4FUNC
:
1197 fields
->f_cm_4func
= value
;
1199 case IQ2000_OPERAND_CM_4Z
:
1200 fields
->f_cm_4z
= value
;
1202 case IQ2000_OPERAND_COUNT
:
1203 fields
->f_count
= value
;
1205 case IQ2000_OPERAND_EXECODE
:
1206 fields
->f_excode
= value
;
1208 case IQ2000_OPERAND_HI16
:
1209 fields
->f_imm
= value
;
1211 case IQ2000_OPERAND_IMM
:
1212 fields
->f_imm
= value
;
1214 case IQ2000_OPERAND_JMPTARG
:
1215 fields
->f_jtarg
= value
;
1217 case IQ2000_OPERAND_JMPTARGQ10
:
1218 fields
->f_jtargq10
= value
;
1220 case IQ2000_OPERAND_LO16
:
1221 fields
->f_imm
= value
;
1223 case IQ2000_OPERAND_MASK
:
1224 fields
->f_mask
= value
;
1226 case IQ2000_OPERAND_MASKL
:
1227 fields
->f_maskl
= value
;
1229 case IQ2000_OPERAND_MASKQ10
:
1230 fields
->f_maskq10
= value
;
1232 case IQ2000_OPERAND_MASKR
:
1233 fields
->f_rs
= value
;
1235 case IQ2000_OPERAND_MLO16
:
1236 fields
->f_imm
= value
;
1238 case IQ2000_OPERAND_OFFSET
:
1239 fields
->f_offset
= value
;
1241 case IQ2000_OPERAND_RD
:
1242 fields
->f_rd
= value
;
1244 case IQ2000_OPERAND_RD_RS
:
1245 fields
->f_rd_rs
= value
;
1247 case IQ2000_OPERAND_RD_RT
:
1248 fields
->f_rd_rt
= value
;
1250 case IQ2000_OPERAND_RS
:
1251 fields
->f_rs
= value
;
1253 case IQ2000_OPERAND_RT
:
1254 fields
->f_rt
= value
;
1256 case IQ2000_OPERAND_RT_RS
:
1257 fields
->f_rt_rs
= value
;
1259 case IQ2000_OPERAND_SHAMT
:
1260 fields
->f_shamt
= value
;
1264 /* xgettext:c-format */
1265 opcodes_error_handler
1266 (_("internal error: unrecognized field %d while setting int operand"),
1273 iq2000_cgen_set_vma_operand (CGEN_CPU_DESC cd ATTRIBUTE_UNUSED
,
1275 CGEN_FIELDS
* fields
,
1280 case IQ2000_OPERAND__INDEX
:
1281 fields
->f_index
= value
;
1283 case IQ2000_OPERAND_BASE
:
1284 fields
->f_rs
= value
;
1286 case IQ2000_OPERAND_BASEOFF
:
1287 fields
->f_imm
= value
;
1289 case IQ2000_OPERAND_BITNUM
:
1290 fields
->f_rt
= value
;
1292 case IQ2000_OPERAND_BYTECOUNT
:
1293 fields
->f_bytecount
= value
;
1295 case IQ2000_OPERAND_CAM_Y
:
1296 fields
->f_cam_y
= value
;
1298 case IQ2000_OPERAND_CAM_Z
:
1299 fields
->f_cam_z
= value
;
1301 case IQ2000_OPERAND_CM_3FUNC
:
1302 fields
->f_cm_3func
= value
;
1304 case IQ2000_OPERAND_CM_3Z
:
1305 fields
->f_cm_3z
= value
;
1307 case IQ2000_OPERAND_CM_4FUNC
:
1308 fields
->f_cm_4func
= value
;
1310 case IQ2000_OPERAND_CM_4Z
:
1311 fields
->f_cm_4z
= value
;
1313 case IQ2000_OPERAND_COUNT
:
1314 fields
->f_count
= value
;
1316 case IQ2000_OPERAND_EXECODE
:
1317 fields
->f_excode
= value
;
1319 case IQ2000_OPERAND_HI16
:
1320 fields
->f_imm
= value
;
1322 case IQ2000_OPERAND_IMM
:
1323 fields
->f_imm
= value
;
1325 case IQ2000_OPERAND_JMPTARG
:
1326 fields
->f_jtarg
= value
;
1328 case IQ2000_OPERAND_JMPTARGQ10
:
1329 fields
->f_jtargq10
= value
;
1331 case IQ2000_OPERAND_LO16
:
1332 fields
->f_imm
= value
;
1334 case IQ2000_OPERAND_MASK
:
1335 fields
->f_mask
= value
;
1337 case IQ2000_OPERAND_MASKL
:
1338 fields
->f_maskl
= value
;
1340 case IQ2000_OPERAND_MASKQ10
:
1341 fields
->f_maskq10
= value
;
1343 case IQ2000_OPERAND_MASKR
:
1344 fields
->f_rs
= value
;
1346 case IQ2000_OPERAND_MLO16
:
1347 fields
->f_imm
= value
;
1349 case IQ2000_OPERAND_OFFSET
:
1350 fields
->f_offset
= value
;
1352 case IQ2000_OPERAND_RD
:
1353 fields
->f_rd
= value
;
1355 case IQ2000_OPERAND_RD_RS
:
1356 fields
->f_rd_rs
= value
;
1358 case IQ2000_OPERAND_RD_RT
:
1359 fields
->f_rd_rt
= value
;
1361 case IQ2000_OPERAND_RS
:
1362 fields
->f_rs
= value
;
1364 case IQ2000_OPERAND_RT
:
1365 fields
->f_rt
= value
;
1367 case IQ2000_OPERAND_RT_RS
:
1368 fields
->f_rt_rs
= value
;
1370 case IQ2000_OPERAND_SHAMT
:
1371 fields
->f_shamt
= value
;
1375 /* xgettext:c-format */
1376 opcodes_error_handler
1377 (_("internal error: unrecognized field %d while setting vma operand"),
1383 /* Function to call before using the instruction builder tables. */
1386 iq2000_cgen_init_ibld_table (CGEN_CPU_DESC cd
)
1388 cd
->insert_handlers
= & iq2000_cgen_insert_handlers
[0];
1389 cd
->extract_handlers
= & iq2000_cgen_extract_handlers
[0];
1391 cd
->insert_operand
= iq2000_cgen_insert_operand
;
1392 cd
->extract_operand
= iq2000_cgen_extract_operand
;
1394 cd
->get_int_operand
= iq2000_cgen_get_int_operand
;
1395 cd
->set_int_operand
= iq2000_cgen_set_int_operand
;
1396 cd
->get_vma_operand
= iq2000_cgen_get_vma_operand
;
1397 cd
->set_vma_operand
= iq2000_cgen_set_vma_operand
;