static CGEN_INSN_LIST *
hash_insn_list (CGEN_CPU_DESC cd,
const CGEN_INSN_LIST *insns,
CGEN_INSN_LIST **htable,
CGEN_INSN_LIST *hentbuf)
{
int big_p = CGEN_CPU_ENDIAN (cd) == CGEN_ENDIAN_BIG;
const CGEN_INSN_LIST *ilist;
for (ilist = insns; ilist != NULL; ilist = ilist->next, ++ hentbuf)
{
unsigned int hash;
char buf[4];
unsigned long value;
if (! (* cd->dis_hash_p) (ilist->insn))
continue;
/* We don't know whether the target uses the buffer or the base insn
to hash on, so set both up. */
value = CGEN_INSN_BASE_VALUE (ilist->insn);
bfd_put_bits((bfd_vma) value,
buf,
CGEN_INSN_MASK_BITSIZE (ilist->insn),
big_p);
hash = (* cd->dis_hash) (buf, value);
add_insn_to_hash_chain (hentbuf, ilist->insn, htable, hash);
}
return hentbuf;
}
void
cgen_put_insn_value (CGEN_CPU_DESC cd,
unsigned char *buf,
int length,
CGEN_INSN_INT value)
{
int big_p = (cd->insn_endian == CGEN_ENDIAN_BIG);
int insn_chunk_bitsize = cd->insn_chunk_bitsize;
if (insn_chunk_bitsize != 0 && insn_chunk_bitsize < length)
{
/* We need to divide up the incoming value into insn_chunk_bitsize-length
segments, and endian-convert them, one at a time. */
int i;
/* Enforce divisibility. */
if ((length % insn_chunk_bitsize) != 0)
abort ();
for (i = 0; i < length; i += insn_chunk_bitsize) /* NB: i == bits */
{
int bit_index;
bit_index = (length - insn_chunk_bitsize - i); /* NB: not dependent on endianness! */
bfd_put_bits ((bfd_vma) value, & buf[bit_index / 8], insn_chunk_bitsize, big_p);
value >>= insn_chunk_bitsize;
}
}
static CGEN_INSN_LIST *
hash_insn_array (CGEN_CPU_DESC cd,
const CGEN_INSN * insns,
int count,
int entsize ATTRIBUTE_UNUSED,
CGEN_INSN_LIST ** htable,
CGEN_INSN_LIST * hentbuf)
{
int big_p = CGEN_CPU_ENDIAN (cd) == CGEN_ENDIAN_BIG;
int i;
for (i = count - 1; i >= 0; --i, ++hentbuf)
{
unsigned int hash;
char buf [4];
unsigned long value;
const CGEN_INSN *insn = &insns[i];
if (! (* cd->dis_hash_p) (insn))
continue;
/* We don't know whether the target uses the buffer or the base insn
to hash on, so set both up. */
value = CGEN_INSN_BASE_VALUE (insn);
bfd_put_bits ((bfd_vma) value,
buf,
CGEN_INSN_MASK_BITSIZE (insn),
big_p);
hash = (* cd->dis_hash) (buf, value);
add_insn_to_hash_chain (hentbuf, insn, htable, hash);
}
return hentbuf;
}
