+/* DO NOT EDIT! -*- buffer-read-only: t -*- vi:set ro: */
/* Instruction building/extraction support for lm32. -*- C -*-
THIS FILE IS MACHINE GENERATED WITH CGEN: Cpu tools GENerator.
- the resultant file is machine generated, cgen-ibld.in isn't
- Copyright 1996, 1997, 1998, 1999, 2000, 2001, 2005, 2006, 2007,
- 2008 Free Software Foundation, Inc.
+ Copyright (C) 1996-2021 Free Software Foundation, Inc.
This file is part of libopcodes.
#include "symcat.h"
#include "lm32-desc.h"
#include "lm32-opc.h"
+#include "cgen/basic-modes.h"
#include "opintl.h"
#include "safe-ctype.h"
int word_length,
unsigned char *bufp)
{
- unsigned long x,mask;
+ unsigned long x, mask;
int shift;
- x = cgen_get_insn_value (cd, bufp, word_length);
+ x = cgen_get_insn_value (cd, bufp, word_length, cd->endian);
/* Written this way to avoid undefined behaviour. */
- mask = (((1L << (length - 1)) - 1) << 1) | 1;
+ mask = (1UL << (length - 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);
+ cgen_put_insn_value (cd, bufp, word_length, (bfd_vma) x, cd->endian);
}
#endif /* ! CGEN_INT_INSN_P */
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;
+ unsigned long mask;
/* If LENGTH is zero, this operand doesn't contribute to the value. */
if (length == 0)
return NULL;
- if (word_length > 32)
+ /* Written this way to avoid undefined behaviour. */
+ mask = (1UL << (length - 1) << 1) - 1;
+
+ if (word_length > 8 * sizeof (CGEN_INSN_INT))
abort ();
/* For architectures with insns smaller than the base-insn-bitsize,
/* Ensure VALUE will fit. */
if (CGEN_BOOL_ATTR (attrs, CGEN_IFLD_SIGN_OPT))
{
- long minval = - (1L << (length - 1));
+ long minval = - (1UL << (length - 1));
unsigned long maxval = mask;
-
+
if ((value > 0 && (unsigned long) value > maxval)
|| value < minval)
{
{
if (! cgen_signed_overflow_ok_p (cd))
{
- long minval = - (1L << (length - 1));
- long maxval = (1L << (length - 1)) - 1;
-
+ long minval = - (1UL << (length - 1));
+ long maxval = (1UL << (length - 1)) - 1;
+
if (value < minval || value > maxval)
{
sprintf
#if CGEN_INT_INSN_P
{
- int shift;
+ 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 = (word_offset + start + 1) - length;
+ shift_within_word = start + 1 - length;
else
- shift = total_length - (word_offset + start + length);
+ 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_put_insn_value (cd, buffer, min ((unsigned) cd->base_insn_bitsize,
- (unsigned) CGEN_FIELDS_BITSIZE (fields)),
- value);
+ (unsigned) CGEN_FIELDS_BITSIZE (fields)),
+ value, cd->insn_endian);
#endif /* ! CGEN_INT_INSN_P */
{
int shift = insn_length - length;
/* Written this way to avoid undefined behaviour. */
- CGEN_INSN_INT mask = (((1L << (length - 1)) - 1) << 1) | 1;
+ CGEN_INSN_INT mask = length == 0 ? 0 : (1UL << (length - 1) << 1) - 1;
*buf = (*buf & ~(mask << shift)) | ((value & mask) << shift);
}
unsigned long x;
int shift;
- x = cgen_get_insn_value (cd, bufp, word_length);
+ x = cgen_get_insn_value (cd, bufp, word_length, cd->endian);
if (CGEN_INSN_LSB0_P)
shift = (start + 1) - length;
return 1;
}
- if (word_length > 32)
+ if (word_length > 8 * sizeof (CGEN_INSN_INT))
abort ();
/* For architectures with insns smaller than the insn-base-bitsize,
{
unsigned char *bufp = ex_info->insn_bytes + word_offset / 8;
- if (word_length > 32)
+ 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;
+ {
+ *valuep = 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;
+ mask = (1UL << (length - 1) << 1) - 1;
value &= mask;
/* sign extend? */
if (CGEN_BOOL_ATTR (attrs, CGEN_IFLD_SIGNED)
- && (value & (1L << (length - 1))))
+ && (value & (1UL << (length - 1))))
value |= ~mask;
*valuep = value;
case LM32_OPERAND_BRANCH :
{
long value = fields->f_branch;
- value = ((int) (((value) - (pc))) >> (2));
+ value = ((SI) (((value) - (pc))) >> (2));
errmsg = insert_normal (cd, value, 0|(1<<CGEN_IFLD_SIGNED)|(1<<CGEN_IFLD_PCREL_ADDR), 0, 15, 16, 32, total_length, buffer);
}
break;
case LM32_OPERAND_CALL :
{
long value = fields->f_call;
- value = ((int) (((value) - (pc))) >> (2));
+ value = ((SI) (((value) - (pc))) >> (2));
errmsg = insert_normal (cd, value, 0|(1<<CGEN_IFLD_SIGNED)|(1<<CGEN_IFLD_PCREL_ADDR), 0, 25, 26, 32, total_length, buffer);
}
break;
default :
/* xgettext:c-format */
- fprintf (stderr, _("Unrecognized field %d while building insn.\n"),
- opindex);
+ opcodes_error_handler
+ (_("internal error: unrecognized field %d while building insn"),
+ opindex);
abort ();
}
{
long value;
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);
- value = ((pc) + (((int) (((value) << (16))) >> (14))));
+ value = ((pc) + (((((((((value) & (65535))) << (2))) ^ (131072))) - (131072))));
fields->f_branch = value;
}
break;
{
long value;
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);
- value = ((pc) + (((int) (((value) << (6))) >> (4))));
+ value = ((pc) + (((((((((value) & (67108863))) << (2))) ^ (134217728))) - (134217728))));
fields->f_call = value;
}
break;
default :
/* xgettext:c-format */
- fprintf (stderr, _("Unrecognized field %d while decoding insn.\n"),
- opindex);
+ opcodes_error_handler
+ (_("internal error: unrecognized field %d while decoding insn"),
+ opindex);
abort ();
}
return length;
}
-cgen_insert_fn * const lm32_cgen_insert_handlers[] =
+cgen_insert_fn * const lm32_cgen_insert_handlers[] =
{
insert_insn_normal,
};
-cgen_extract_fn * const lm32_cgen_extract_handlers[] =
+cgen_extract_fn * const lm32_cgen_extract_handlers[] =
{
extract_insn_normal,
};
default :
/* xgettext:c-format */
- fprintf (stderr, _("Unrecognized field %d while getting int operand.\n"),
- opindex);
+ opcodes_error_handler
+ (_("internal error: unrecognized field %d while getting int operand"),
+ opindex);
abort ();
}
default :
/* xgettext:c-format */
- fprintf (stderr, _("Unrecognized field %d while getting vma operand.\n"),
- opindex);
+ opcodes_error_handler
+ (_("internal error: unrecognized field %d while getting vma operand"),
+ opindex);
abort ();
}
default :
/* xgettext:c-format */
- fprintf (stderr, _("Unrecognized field %d while setting int operand.\n"),
- opindex);
+ opcodes_error_handler
+ (_("internal error: unrecognized field %d while setting int operand"),
+ opindex);
abort ();
}
}
default :
/* xgettext:c-format */
- fprintf (stderr, _("Unrecognized field %d while setting vma operand.\n"),
- opindex);
+ opcodes_error_handler
+ (_("internal error: unrecognized field %d while setting vma operand"),
+ opindex);
abort ();
}
}
projects / thirdparty / binutils-gdb.git / blobdiff