/* Instruction building/extraction support for epiphany. -*- C -*-

THIS FILE IS MACHINE GENERATED WITH CGEN: Cpu tools GENerator.

- the resultant file is machine generated, cgen-ibld.in isn't

Copyright (C) 1996-2016 Free Software Foundation, Inc.

This file is part of libopcodes.

This library is free software; you can redistribute it and/or modify

it under the terms of the GNU General Public License as published by

the Free Software Foundation; either version 3, or (at your option)

any later version.

It is distributed in the hope that it will be useful, but WITHOUT

ANY WARRANTY; without even the implied warranty of MERCHANTABILITY

or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public

License for more details.

You should have received a copy of the GNU General Public License

along with this program; if not, write to the Free Software Foundation, Inc.,

51 Franklin Street - Fifth Floor, Boston, MA 02110-1301, USA. */

/* ??? Eventually more and more of this stuff can go to cpu-independent files.

Keep that in mind. */

#include "sysdep.h"

#include <stdio.h>

#include "ansidecl.h"

#include "dis-asm.h"

#include "bfd.h"

#include "symcat.h"

#include "epiphany-desc.h"

#include "epiphany-opc.h"

#include "cgen/basic-modes.h"

#include "opintl.h"

#include "safe-ctype.h"

#undef min

#define min(a,b) ((a) < (b) ? (a) : (b))

#undef max

#define max(a,b) ((a) > (b) ? (a) : (b))

/* Used by the ifield rtx function. */

#define FLD(f) (fields->f)

static const char * insert_normal

(CGEN_CPU_DESC, long, unsigned int, unsigned int, unsigned int,

unsigned int, unsigned int, unsigned int, CGEN_INSN_BYTES_PTR);

static const char * insert_insn_normal

(CGEN_CPU_DESC, const CGEN_INSN *,

CGEN_FIELDS *, CGEN_INSN_BYTES_PTR, bfd_vma);

static int extract_normal

(CGEN_CPU_DESC, CGEN_EXTRACT_INFO *, CGEN_INSN_INT,

unsigned int, unsigned int, unsigned int, unsigned int,

unsigned int, unsigned int, bfd_vma, long *);

static int extract_insn_normal

(CGEN_CPU_DESC, const CGEN_INSN *, CGEN_EXTRACT_INFO *,

CGEN_INSN_INT, CGEN_FIELDS *, bfd_vma);

#if CGEN_INT_INSN_P

static void put_insn_int_value

(CGEN_CPU_DESC, CGEN_INSN_BYTES_PTR, int, int, CGEN_INSN_INT);

#endif

#if ! CGEN_INT_INSN_P

static CGEN_INLINE void insert_1

(CGEN_CPU_DESC, unsigned long, int, int, int, unsigned char *);

static CGEN_INLINE int fill_cache

(CGEN_CPU_DESC, CGEN_EXTRACT_INFO *, int, int, bfd_vma);

static CGEN_INLINE long extract_1

(CGEN_CPU_DESC, CGEN_EXTRACT_INFO *, int, int, int, unsigned char *, bfd_vma);

#endif



/* Operand insertion. */

#if ! CGEN_INT_INSN_P

/* Subroutine of insert_normal. */

static CGEN_INLINE void

insert_1 (CGEN_CPU_DESC cd,

unsigned char *bufp)

{

unsigned long x,mask;

int shift;

x = cgen_get_insn_value (cd, bufp, word_length);

/* Written this way to avoid undefined behaviour. */

mask = (((1L << (length - 1)) - 1) << 1) | 1;

if (CGEN_INSN_LSB0_P)

shift = (start + 1) - length;

else

shift = (word_length - (start + length));

x = (x & ~(mask << shift)) | ((value & mask) << shift);

cgen_put_insn_value (cd, bufp, word_length, (bfd_vma) x);

}

#endif /* ! CGEN_INT_INSN_P */

/* Default insertion routine.

ATTRS is a mask of the boolean attributes.

WORD_OFFSET is the offset in bits from the start of the insn of the value.

WORD_LENGTH is the length of the word in bits in which the value resides.

START is the starting bit number in the word, architecture origin.

LENGTH is the length of VALUE in bits.

TOTAL_LENGTH is the total length of the insn in bits.

The result is an error message or NULL if success. */

/* ??? This duplicates functionality with bfd's howto table and

bfd_install_relocation. */

/* ??? This doesn't handle bfd_vma's. Create another function when

necessary. */

static const char *

insert_normal (CGEN_CPU_DESC cd,

CGEN_INSN_BYTES_PTR buffer)

{

static char errbuf[100];

/* Written this way to avoid undefined behaviour. */

unsigned long mask = (((1L << (length - 1)) - 1) << 1) | 1;

/* If LENGTH is zero, this operand doesn't contribute to the value. */

if (length == 0)

return NULL;

if (word_length > 8 * sizeof (CGEN_INSN_INT))

abort ();

/* For architectures with insns smaller than the base-insn-bitsize,

word_length may be too big. */

if (cd->min_insn_bitsize < cd->base_insn_bitsize)

{

if (word_offset == 0

&& word_length > total_length)

word_length = total_length;

}

/* Ensure VALUE will fit. */

if (CGEN_BOOL_ATTR (attrs, CGEN_IFLD_SIGN_OPT))

{

long minval = - (1L << (length - 1));

unsigned long maxval = mask;

if ((value > 0 && (unsigned long) value > maxval)

|| value < minval)

{

/* xgettext:c-format */

sprintf (errbuf,

_("operand out of range (%ld not between %ld and %lu)"),

value, minval, maxval);

return errbuf;

}

}

else if (! CGEN_BOOL_ATTR (attrs, CGEN_IFLD_SIGNED))

{

unsigned long maxval = mask;

unsigned long val = (unsigned long) value;

/* For hosts with a word size > 32 check to see if value has been sign

extended beyond 32 bits. If so then ignore these higher sign bits

as the user is attempting to store a 32-bit signed value into an

unsigned 32-bit field which is allowed. */

if (sizeof (unsigned long) > 4 && ((value >> 32) == -1))

val &= 0xFFFFFFFF;

if (val > maxval)

{

/* xgettext:c-format */

sprintf (errbuf,

_("operand out of range (0x%lx not between 0 and 0x%lx)"),

val, maxval);

return errbuf;

}

}

else

{

if (! cgen_signed_overflow_ok_p (cd))

{

long minval = - (1L << (length - 1));

long maxval = (1L << (length - 1)) - 1;

if (value < minval || value > maxval)

{

sprintf

/* xgettext:c-format */

(errbuf, _("operand out of range (%ld not between %ld and %ld)"),

value, minval, maxval);

return errbuf;

}

}

}

#if CGEN_INT_INSN_P

{

int shift_within_word, shift_to_word, shift;

/* How to shift the value to BIT0 of the word. */

shift_to_word = total_length - (word_offset + word_length);

/* How to shift the value to the field within the word. */

if (CGEN_INSN_LSB0_P)

shift_within_word = start + 1 - length;

else

shift_within_word = word_length - start - length;

/* The total SHIFT, then mask in the value. */

shift = shift_to_word + shift_within_word;

*buffer = (*buffer & ~(mask << shift)) | ((value & mask) << shift);

}

#else /* ! CGEN_INT_INSN_P */

{

unsigned char *bufp = (unsigned char *) buffer + word_offset / 8;

insert_1 (cd, value, start, length, word_length, bufp);

}

#endif /* ! CGEN_INT_INSN_P */

return NULL;

}

/* Default insn builder (insert handler).

The instruction is recorded in CGEN_INT_INSN_P byte order (meaning

that if CGEN_INSN_BYTES_PTR is an int * and thus, the value is

recorded in host byte order, otherwise BUFFER is an array of bytes

and the value is recorded in target byte order).

The result is an error message or NULL if success. */

static const char *

insert_insn_normal (CGEN_CPU_DESC cd,

bfd_vma pc)

{

const CGEN_SYNTAX *syntax = CGEN_INSN_SYNTAX (insn);

unsigned long value;

const CGEN_SYNTAX_CHAR_TYPE * syn;

CGEN_INIT_INSERT (cd);

value = CGEN_INSN_BASE_VALUE (insn);

/* If we're recording insns as numbers (rather than a string of bytes),

target byte order handling is deferred until later. */

#if CGEN_INT_INSN_P

put_insn_int_value (cd, buffer, cd->base_insn_bitsize,

CGEN_FIELDS_BITSIZE (fields), value);

#else

cgen_put_insn_value (cd, buffer, min ((unsigned) cd->base_insn_bitsize,

(unsigned) CGEN_FIELDS_BITSIZE (fields)),

value);

#endif /* ! CGEN_INT_INSN_P */

/* ??? It would be better to scan the format's fields.

Still need to be able to insert a value based on the operand though;

e.g. storing a branch displacement that got resolved later.

Needs more thought first. */

for (syn = CGEN_SYNTAX_STRING (syntax); * syn; ++ syn)

{

const char *errmsg;

if (CGEN_SYNTAX_CHAR_P (* syn))

continue;

errmsg = (* cd->insert_operand) (cd, CGEN_SYNTAX_FIELD (*syn),

fields, buffer, pc);

if (errmsg)

return errmsg;

}

return NULL;

}

#if CGEN_INT_INSN_P

/* Cover function to store an insn value into an integral insn. Must go here

because it needs <prefix>-desc.h for CGEN_INT_INSN_P. */

static void

put_insn_int_value (CGEN_CPU_DESC cd ATTRIBUTE_UNUSED,

CGEN_INSN_INT value)

{

/* For architectures with insns smaller than the base-insn-bitsize,

length may be too big. */

if (length > insn_length)

*buf = value;

else

{

int shift = insn_length - length;

/* Written this way to avoid undefined behaviour. */

CGEN_INSN_INT mask = (((1L << (length - 1)) - 1) << 1) | 1;

*buf = (*buf & ~(mask << shift)) | ((value & mask) << shift);

}

}

#endif



/* Operand extraction. */

#if ! CGEN_INT_INSN_P

/* Subroutine of extract_normal.

Ensure sufficient bytes are cached in EX_INFO.

OFFSET is the offset in bytes from the start of the insn of the value.

BYTES is the length of the needed value.

Returns 1 for success, 0 for failure. */

static CGEN_INLINE int

fill_cache (CGEN_CPU_DESC cd ATTRIBUTE_UNUSED,

bfd_vma pc)

{

/* It's doubtful that the middle part has already been fetched so

we don't optimize that case. kiss. */

unsigned int mask;

disassemble_info *info = (disassemble_info *) ex_info->dis_info;

/* First do a quick check. */

mask = (1 << bytes) - 1;

if (((ex_info->valid >> offset) & mask) == mask)

return 1;

/* Search for the first byte we need to read. */

for (mask = 1 << offset; bytes > 0; --bytes, ++offset, mask <<= 1)

if (! (mask & ex_info->valid))

break;

if (bytes)

{

int status;

pc += offset;

status = (*info->read_memory_func)

(pc, ex_info->insn_bytes + offset, bytes, info);

if (status != 0)

{

(*info->memory_error_func) (status, pc, info);

return 0;

}

ex_info->valid |= ((1 << bytes) - 1) << offset;

}

return 1;

}

/* Subroutine of extract_normal. */

static CGEN_INLINE long

extract_1 (CGEN_CPU_DESC cd,

bfd_vma pc ATTRIBUTE_UNUSED)

{

unsigned long x;

int shift;

x = cgen_get_insn_value (cd, bufp, word_length);

if (CGEN_INSN_LSB0_P)

shift = (start + 1) - length;

else

shift = (word_length - (start + length));

return x >> shift;

}

#endif /* ! CGEN_INT_INSN_P */

/* Default extraction routine.

INSN_VALUE is the first base_insn_bitsize bits of the insn in host order,

or sometimes less for cases like the m32r where the base insn size is 32

but some insns are 16 bits.

ATTRS is a mask of the boolean attributes. We only need `SIGNED',

but for generality we take a bitmask of all of them.

WORD_OFFSET is the offset in bits from the start of the insn of the value.

WORD_LENGTH is the length of the word in bits in which the value resides.

START is the starting bit number in the word, architecture origin.

LENGTH is the length of VALUE in bits.

TOTAL_LENGTH is the total length of the insn in bits.

Returns 1 for success, 0 for failure. */

/* ??? The return code isn't properly used. wip. */

/* ??? This doesn't handle bfd_vma's. Create another function when

necessary. */

static int

extract_normal (CGEN_CPU_DESC cd,

long *valuep)

{

long value, mask;

/* If LENGTH is zero, this operand doesn't contribute to the value

so give it a standard value of zero. */

if (length == 0)

{

*valuep = 0;

return 1;

}

if (word_length > 8 * sizeof (CGEN_INSN_INT))

abort ();

/* For architectures with insns smaller than the insn-base-bitsize,

word_length may be too big. */

if (cd->min_insn_bitsize < cd->base_insn_bitsize)

{

if (word_offset + word_length > total_length)

word_length = total_length - word_offset;

}

/* Does the value reside in INSN_VALUE, and at the right alignment? */

if (CGEN_INT_INSN_P || (word_offset == 0 && word_length == total_length))

{

if (CGEN_INSN_LSB0_P)

value = insn_value >> ((word_offset + start + 1) - length);

else

value = insn_value >> (total_length - ( word_offset + start + length));

}

#if ! CGEN_INT_INSN_P

else

{

unsigned char *bufp = ex_info->insn_bytes + word_offset / 8;

if (word_length > 8 * sizeof (CGEN_INSN_INT))

abort ();

if (fill_cache (cd, ex_info, word_offset / 8, word_length / 8, pc) == 0)

return 0;

value = extract_1 (cd, ex_info, start, length, word_length, bufp, pc);

}

#endif /* ! CGEN_INT_INSN_P */

/* Written this way to avoid undefined behaviour. */

mask = (((1L << (length - 1)) - 1) << 1) | 1;

value &= mask;

/* sign extend? */

if (CGEN_BOOL_ATTR (attrs, CGEN_IFLD_SIGNED)

&& (value & (1L << (length - 1))))

value |= ~mask;

*valuep = value;

return 1;

}

/* Default insn extractor.

INSN_VALUE is the first base_insn_bitsize bits, translated to host order.

The extracted fields are stored in FIELDS.

EX_INFO is used to handle reading variable length insns.

Return the length of the insn in bits, or 0 if no match,

or -1 if an error occurs fetching data (memory_error_func will have

been called). */

static int

extract_insn_normal (CGEN_CPU_DESC cd,

bfd_vma pc)

{

const CGEN_SYNTAX *syntax = CGEN_INSN_SYNTAX (insn);

const CGEN_SYNTAX_CHAR_TYPE *syn;

CGEN_FIELDS_BITSIZE (fields) = CGEN_INSN_BITSIZE (insn);

CGEN_INIT_EXTRACT (cd);

for (syn = CGEN_SYNTAX_STRING (syntax); *syn; ++syn)

{

int length;

if (CGEN_SYNTAX_CHAR_P (*syn))

continue;

length = (* cd->extract_operand) (cd, CGEN_SYNTAX_FIELD (*syn),

ex_info, insn_value, fields, pc);

if (length <= 0)

return length;

}

/* We recognized and successfully extracted this insn. */

return CGEN_INSN_BITSIZE (insn);

}



/* Machine generated code added here. */

const char * epiphany_cgen_insert_operand

(CGEN_CPU_DESC, int, CGEN_FIELDS *, CGEN_INSN_BYTES_PTR, bfd_vma);

/* Main entry point for operand insertion.

This function is basically just a big switch statement. Earlier versions

used tables to look up the function to use, but

- if the table contains both assembler and disassembler functions then

the disassembler contains much of the assembler and vice-versa,

- there's a lot of inlining possibilities as things grow,

- using a switch statement avoids the function call overhead.

This function could be moved into `parse_insn_normal', but keeping it

separate makes clear the interface between `parse_insn_normal' and each of

the handlers. It's also needed by GAS to insert operands that couldn't be

resolved during parsing. */

const char *

epiphany_cgen_insert_operand (CGEN_CPU_DESC cd,

bfd_vma pc ATTRIBUTE_UNUSED)

{

const char * errmsg = NULL;

unsigned int total_length = CGEN_FIELDS_BITSIZE (fields);

switch (opindex)

{

case EPIPHANY_OPERAND_DIRECTION :

errmsg = insert_normal (cd, fields->f_addsubx, 0, 0, 20, 1, 32, total_length, buffer);

break;

case EPIPHANY_OPERAND_DISP11 :

{

{

FLD (f_disp8) = ((((UINT) (FLD (f_disp11)) >> (3))) & (255));

FLD (f_disp3) = ((FLD (f_disp11)) & (7));

}

errmsg = insert_normal (cd, fields->f_disp3, 0, 0, 9, 3, 32, total_length, buffer);

if (errmsg)

break;

errmsg = insert_normal (cd, fields->f_disp8, 0, 0, 23, 8, 32, total_length, buffer);

if (errmsg)

break;

}

break;

case EPIPHANY_OPERAND_DISP3 :

errmsg = insert_normal (cd, fields->f_disp3, 0, 0, 9, 3, 32, total_length, buffer);

break;

case EPIPHANY_OPERAND_DPMI :

errmsg = insert_normal (cd, fields->f_subd, 0, 0, 24, 1, 32, total_length, buffer);

break;

case EPIPHANY_OPERAND_FRD :

errmsg = insert_normal (cd, fields->f_rd, 0, 0, 15, 3, 32, total_length, buffer);

break;

case EPIPHANY_OPERAND_FRD6 :

{

{

FLD (f_rd) = ((FLD (f_rd6)) & (7));

FLD (f_rd_x) = ((UINT) (FLD (f_rd6)) >> (3));

}

errmsg = insert_normal (cd, fields->f_rd_x, 0, 0, 31, 3, 32, total_length, buffer);

if (errmsg)

break;

errmsg = insert_normal (cd, fields->f_rd, 0, 0, 15, 3, 32, total_length, buffer);

if (errmsg)

break;

}

break;

case EPIPHANY_OPERAND_FRM :

errmsg = insert_normal (cd, fields->f_rm, 0, 0, 9, 3, 32, total_length, buffer);

break;

case EPIPHANY_OPERAND_FRM6 :

{

{

FLD (f_rm) = ((FLD (f_rm6)) & (7));

FLD (f_rm_x) = ((UINT) (FLD (f_rm6)) >> (3));

}

errmsg = insert_normal (cd, fields->f_rm_x, 0, 0, 25, 3, 32, total_length, buffer);

if (errmsg)

break;

errmsg = insert_normal (cd, fields->f_rm, 0, 0, 9, 3, 32, total_length, buffer);

if (errmsg)

break;

}

break;

case EPIPHANY_OPERAND_FRN :

errmsg = insert_normal (cd, fields->f_rn, 0, 0, 12, 3, 32, total_length, buffer);

break;

case EPIPHANY_OPERAND_FRN6 :

{

{

FLD (f_rn) = ((FLD (f_rn6)) & (7));

FLD (f_rn_x) = ((UINT) (FLD (f_rn6)) >> (3));

}

errmsg = insert_normal (cd, fields->f_rn_x, 0, 0, 28, 3, 32, total_length, buffer);

if (errmsg)

break;

errmsg = insert_normal (cd, fields->f_rn, 0, 0, 12, 3, 32, total_length, buffer);

if (errmsg)

break;

}

break;

case EPIPHANY_OPERAND_IMM16 :

{

{

FLD (f_imm8) = ((FLD (f_imm16)) & (255));

FLD (f_imm_27_8) = ((UINT) (FLD (f_imm16)) >> (8));

}

errmsg = insert_normal (cd, fields->f_imm8, 0, 0, 12, 8, 32, total_length, buffer);

if (errmsg)

break;

errmsg = insert_normal (cd, fields->f_imm_27_8, 0, 0, 27, 8, 32, total_length, buffer);

if (errmsg)

break;

}

break;

case EPIPHANY_OPERAND_IMM8 :

errmsg = insert_normal (cd, fields->f_imm8, 0, 0, 12, 8, 32, total_length, buffer);

break;

case EPIPHANY_OPERAND_RD :

errmsg = insert_normal (cd, fields->f_rd, 0, 0, 15, 3, 32, total_length, buffer);

break;

case EPIPHANY_OPERAND_RD6 :

{

{

FLD (f_rd) = ((FLD (f_rd6)) & (7));

FLD (f_rd_x) = ((UINT) (FLD (f_rd6)) >> (3));

}

errmsg = insert_normal (cd, fields->f_rd_x, 0, 0, 31, 3, 32, total_length, buffer);

if (errmsg)

break;

errmsg = insert_normal (cd, fields->f_rd, 0, 0, 15, 3, 32, total_length, buffer);

if (errmsg)

break;

}

break;

case EPIPHANY_OPERAND_RM :

errmsg = insert_normal (cd, fields->f_rm, 0, 0, 9, 3, 32, total_length, buffer);

break;

case EPIPHANY_OPERAND_RM6 :

{

{

FLD (f_rm) = ((FLD (f_rm6)) & (7));

FLD (f_rm_x) = ((UINT) (FLD (f_rm6)) >> (3));

}

errmsg = insert_normal (cd, fields->f_rm_x, 0, 0, 25, 3, 32, total_length, buffer);

if (errmsg)

break;

errmsg = insert_normal (cd, fields->f_rm, 0, 0, 9, 3, 32, total_length, buffer);

if (errmsg)

break;

}

break;

case EPIPHANY_OPERAND_RN :

errmsg = insert_normal (cd, fields->f_rn, 0, 0, 12, 3, 32, total_length, buffer);

break;

case EPIPHANY_OPERAND_RN6 :

{

{

FLD (f_rn) = ((FLD (f_rn6)) & (7));

FLD (f_rn_x) = ((UINT) (FLD (f_rn6)) >> (3));

}

errmsg = insert_normal (cd, fields->f_rn_x, 0, 0, 28, 3, 32, total_length, buffer);

if (errmsg)

break;

errmsg = insert_normal (cd, fields->f_rn, 0, 0, 12, 3, 32, total_length, buffer);

if (errmsg)

break;

}

break;

case EPIPHANY_OPERAND_SD :

errmsg = insert_normal (cd, fields->f_sd, 0, 0, 15, 3, 32, total_length, buffer);

break;

case EPIPHANY_OPERAND_SD6 :

{

{

FLD (f_sd) = ((FLD (f_sd6)) & (7));

FLD (f_sd_x) = ((UINT) (FLD (f_sd6)) >> (3));

}

errmsg = insert_normal (cd, fields->f_sd_x, 0, 0, 31, 3, 32, total_length, buffer);

if (errmsg)

break;

errmsg = insert_normal (cd, fields->f_sd, 0, 0, 15, 3, 32, total_length, buffer);

if (errmsg)

break;

}

break;

case EPIPHANY_OPERAND_SDDMA :

{

{

FLD (f_sd) = ((FLD (f_sd6)) & (7));

FLD (f_sd_x) = ((UINT) (FLD (f_sd6)) >> (3));

}

errmsg = insert_normal (cd, fields->f_sd_x, 0, 0, 31, 3, 32, total_length, buffer);

if (errmsg)

break;

errmsg = insert_normal (cd, fields->f_sd, 0, 0, 15, 3, 32, total_length, buffer);

if (errmsg)

break;

}

break;

case EPIPHANY_OPERAND_SDMEM :

{

{

FLD (f_sd) = ((FLD (f_sd6)) & (7));

FLD (f_sd_x) = ((UINT) (FLD (f_sd6)) >> (3));

}

errmsg = insert_normal (cd, fields->f_sd_x, 0, 0, 31, 3, 32, total_length, buffer);

if (errmsg)

break;

errmsg = insert_normal (cd, fields->f_sd, 0, 0, 15, 3, 32, total_length, buffer);

if (errmsg)

break;

}

break;

case EPIPHANY_OPERAND_SDMESH :

{

{

FLD (f_sd) = ((FLD (f_sd6)) & (7));

FLD (f_sd_x) = ((UINT) (FLD (f_sd6)) >> (3));

}

errmsg = insert_normal (cd, fields->f_sd_x, 0, 0, 31, 3, 32, total_length, buffer);

if (errmsg)

break;

errmsg = insert_normal (cd, fields->f_sd, 0, 0, 15, 3, 32, total_length, buffer);

if (errmsg)

break;

}

break;

case EPIPHANY_OPERAND_SHIFT :

errmsg = insert_normal (cd, fields->f_shift, 0, 0, 9, 5, 32, total_length, buffer);

break;

case EPIPHANY_OPERAND_SIMM11 :

{

{

FLD (f_disp8) = ((255) & (((USI) (FLD (f_sdisp11)) >> (3))));

FLD (f_disp3) = ((FLD (f_sdisp11)) & (7));

}

errmsg = insert_normal (cd, fields->f_disp3, 0, 0, 9, 3, 32, total_length, buffer);

if (errmsg)

break;

errmsg = insert_normal (cd, fields->f_disp8, 0, 0, 23, 8, 32, total_length, buffer);

if (errmsg)

break;

}

break;

case EPIPHANY_OPERAND_SIMM24 :

{

long value = fields->f_simm24;

value = ((SI) (((value) - (pc))) >> (1));

errmsg = insert_normal (cd, value, 0|(1<<CGEN_IFLD_SIGNED)|(1<<CGEN_IFLD_RELOC)|(1<<CGEN_IFLD_PCREL_ADDR), 0, 31, 24, 32, total_length, buffer);

}

break;

case EPIPHANY_OPERAND_SIMM3 :

errmsg = insert_normal (cd, fields->f_sdisp3, 0|(1<<CGEN_IFLD_SIGNED), 0, 9, 3, 32, total_length, buffer);

break;

case EPIPHANY_OPERAND_SIMM8 :

{

long value = fields->f_simm8;

value = ((SI) (((value) - (pc))) >> (1));

errmsg = insert_normal (cd, value, 0|(1<<CGEN_IFLD_SIGNED)|(1<<CGEN_IFLD_RELOC)|(1<<CGEN_IFLD_PCREL_ADDR), 0, 15, 8, 32, total_length, buffer);

}

break;

case EPIPHANY_OPERAND_SN :

errmsg = insert_normal (cd, fields->f_sn, 0, 0, 12, 3, 32, total_length, buffer);

break;

case EPIPHANY_OPERAND_SN6 :

{

{

FLD (f_sn) = ((FLD (f_sn6)) & (7));

FLD (f_sn_x) = ((UINT) (FLD (f_sn6)) >> (3));

}

errmsg = insert_normal (cd, fields->f_sn_x, 0, 0, 28, 3, 32, total_length, buffer);

if (errmsg)

break;

errmsg = insert_normal (cd, fields->f_sn, 0, 0, 12, 3, 32, total_length, buffer);

if (errmsg)

break;

}

break;

case EPIPHANY_OPERAND_SNDMA :

{

{

FLD (f_sn) = ((FLD (f_sn6)) & (7));

FLD (f_sn_x) = ((UINT) (FLD (f_sn6)) >> (3));

}

errmsg = insert_normal (cd, fields->f_sn_x, 0, 0, 28, 3, 32, total_length, buffer);

if (errmsg)

break;

errmsg = insert_normal (cd, fields->f_sn, 0, 0, 12, 3, 32, total_length, buffer);

if (errmsg)

break;

}

break;

case EPIPHANY_OPERAND_SNMEM :

{

{

FLD (f_sn) = ((FLD (f_sn6)) & (7));

FLD (f_sn_x) = ((UINT) (FLD (f_sn6)) >> (3));

}

errmsg = insert_normal (cd, fields->f_sn_x, 0, 0, 28, 3, 32, total_length, buffer);

if (errmsg)

break;

errmsg = insert_normal (cd, fields->f_sn, 0, 0, 12, 3, 32, total_length, buffer);

if (errmsg)

break;

}

break;

case EPIPHANY_OPERAND_SNMESH :

{

{

FLD (f_sn) = ((FLD (f_sn6)) & (7));

FLD (f_sn_x) = ((UINT) (FLD (f_sn6)) >> (3));

}

errmsg = insert_normal (cd, fields->f_sn_x, 0, 0, 28, 3, 32, total_length, buffer);

if (errmsg)

break;

errmsg = insert_normal (cd, fields->f_sn, 0, 0, 12, 3, 32, total_length, buffer);

if (errmsg)

break;

}

break;

case EPIPHANY_OPERAND_SWI_NUM :

errmsg = insert_normal (cd, fields->f_trap_num, 0, 0, 15, 6, 32, total_length, buffer);

break;

case EPIPHANY_OPERAND_TRAPNUM6 :

errmsg = insert_normal (cd, fields->f_trap_num, 0, 0, 15, 6, 32, total_length, buffer);

break;

default :

/* xgettext:c-format */

fprintf (stderr, _("Unrecognized field %d while building insn.\n"),

opindex);

abort ();

}

return errmsg;

}

int epiphany_cgen_extract_operand

(CGEN_CPU_DESC, int, CGEN_EXTRACT_INFO *, CGEN_INSN_INT, CGEN_FIELDS *, bfd_vma);

/* Main entry point for operand extraction.

The result is <= 0 for error, >0 for success.

??? Actual values aren't well defined right now.

This function is basically just a big switch statement. Earlier versions

used tables to look up the function to use, but

- if the table contains both assembler and disassembler functions then

the disassembler contains much of the assembler and vice-versa,

- there's a lot of inlining possibilities as things grow,

- using a switch statement avoids the function call overhead.

This function could be moved into `print_insn_normal', but keeping it

separate makes clear the interface between `print_insn_normal' and each of

the handlers. */

int

epiphany_cgen_extract_operand (CGEN_CPU_DESC cd,

bfd_vma pc)

{

/* Assume success (for those operands that are nops). */

int length = 1;

unsigned int total_length = CGEN_FIELDS_BITSIZE (fields);

switch (opindex)

{

case EPIPHANY_OPERAND_DIRECTION :

length = extract_normal (cd, ex_info, insn_value, 0, 0, 20, 1, 32, total_length, pc, & fields->f_addsubx);

break;

case EPIPHANY_OPERAND_DISP11 :

{

length = extract_normal (cd, ex_info, insn_value, 0, 0, 9, 3, 32, total_length, pc, & fields->f_disp3);

if (length <= 0) break;

length = extract_normal (cd, ex_info, insn_value, 0, 0, 23, 8, 32, total_length, pc, & fields->f_disp8);

if (length <= 0) break;

{

FLD (f_disp11) = ((((FLD (f_disp8)) << (3))) | (FLD (f_disp3)));

}

}

break;

case EPIPHANY_OPERAND_DISP3 :

length = extract_normal (cd, ex_info, insn_value, 0, 0, 9, 3, 32, total_length, pc, & fields->f_disp3);

break;

case EPIPHANY_OPERAND_DPMI :

length = extract_normal (cd, ex_info, insn_value, 0, 0, 24, 1, 32, total_length, pc, & fields->f_subd);

break;

case EPIPHANY_OPERAND_FRD :

length = extract_normal (cd, ex_info, insn_value, 0, 0, 15, 3, 32, total_length, pc, & fields->f_rd);

break;

case EPIPHANY_OPERAND_FRD6 :

{

length = extract_normal (cd, ex_info, insn_value, 0, 0, 31, 3, 32, total_length, pc, & fields->f_rd_x);

if (length <= 0) break;

length = extract_normal (cd, ex_info, insn_value, 0, 0, 15, 3, 32, total_length, pc, & fields->f_rd);

if (length <= 0) break;

{

FLD (f_rd6) = ((((FLD (f_rd_x)) << (3))) | (FLD (f_rd)));

}

}

break;

case EPIPHANY_OPERAND_FRM :

length = extract_normal (cd, ex_info, insn_value, 0, 0, 9, 3, 32, total_length, pc, & fields->f_rm);

break;

case EPIPHANY_OPERAND_FRM6 :

{

length = extract_normal (cd, ex_info, insn_value, 0, 0, 25, 3, 32, total_length, pc, & fields->f_rm_x);

if (length <= 0) break;

length = extract_normal (cd, ex_info, insn_value, 0, 0, 9, 3, 32, total_length, pc, & fields->f_rm);

if (length <= 0) break;

{

FLD (f_rm6) = ((((FLD (f_rm_x)) << (3))) | (FLD (f_rm)));

}

}

break;

case EPIPHANY_OPERAND_FRN :

length = extract_normal (cd, ex_info, insn_value, 0, 0, 12, 3, 32, total_length, pc, & fields->f_rn);

break;

case EPIPHANY_OPERAND_FRN6 :

{

length = extract_normal (cd, ex_info, insn_value, 0, 0, 28, 3, 32, total_length, pc, & fields->f_rn_x);

if (length <= 0) break;

length = extract_normal (cd, ex_info, insn_value, 0, 0, 12, 3, 32, total_length, pc, & fields->f_rn);

if (length <= 0) break;

{

FLD (f_rn6) = ((((FLD (f_rn_x)) << (3))) | (FLD (f_rn)));

}

}

break;

case EPIPHANY_OPERAND_IMM16 :

{

length = extract_normal (cd, ex_info, insn_value, 0, 0, 12, 8, 32, total_length, pc, & fields->f_imm8);

if (length <= 0) break;

length = extract_normal (cd, ex_info, insn_value, 0, 0, 27, 8, 32, total_length, pc, & fields->f_imm_27_8);

if (length <= 0) break;

{

FLD (f_imm16) = ((((FLD (f_imm_27_8)) << (8))) | (FLD (f_imm8)));

}

}

break;

case EPIPHANY_OPERAND_IMM8 :

length = extract_normal (cd, ex_info, insn_value, 0, 0, 12, 8, 32, total_length, pc, & fields->f_imm8);

break;

case EPIPHANY_OPERAND_RD :

length = extract_normal (cd, ex_info, insn_value, 0, 0, 15, 3, 32, total_length, pc, & fields->f_rd);

break;

case EPIPHANY_OPERAND_RD6 :

{

length = extract_normal (cd, ex_info, insn_value, 0, 0, 31, 3, 32, total_length, pc, & fields->f_rd_x);

if (length <= 0) break;