64acfd9910
2005-11-27 Janne Blomqvist <jb@gcc.gnu.org> * m4/*: Add const restrict to function arguments. * generated/*.c: Regenerate. From-SVN: r107573
251 lines
6.6 KiB
Plaintext
251 lines
6.6 KiB
Plaintext
dnl Support macro file for intrinsic functions.
|
|
dnl Contains the generic sections of the array functions.
|
|
dnl This file is part of the GNU Fortran 95 Runtime Library (libgfortran)
|
|
dnl Distributed under the GNU GPL with exception. See COPYING for details.
|
|
define(START_FOREACH_FUNCTION,
|
|
`
|
|
extern void name`'rtype_qual`_'atype_code (rtype * const restrict retarray,
|
|
atype * const restrict array);
|
|
export_proto(name`'rtype_qual`_'atype_code);
|
|
|
|
void
|
|
name`'rtype_qual`_'atype_code (rtype * const restrict retarray,
|
|
atype * const restrict array)
|
|
{
|
|
index_type count[GFC_MAX_DIMENSIONS];
|
|
index_type extent[GFC_MAX_DIMENSIONS];
|
|
index_type sstride[GFC_MAX_DIMENSIONS];
|
|
index_type dstride;
|
|
const atype_name *base;
|
|
rtype_name *dest;
|
|
index_type rank;
|
|
index_type n;
|
|
|
|
rank = GFC_DESCRIPTOR_RANK (array);
|
|
if (rank <= 0)
|
|
runtime_error ("Rank of array needs to be > 0");
|
|
|
|
if (retarray->data == NULL)
|
|
{
|
|
retarray->dim[0].lbound = 0;
|
|
retarray->dim[0].ubound = rank-1;
|
|
retarray->dim[0].stride = 1;
|
|
retarray->dtype = (retarray->dtype & ~GFC_DTYPE_RANK_MASK) | 1;
|
|
retarray->offset = 0;
|
|
retarray->data = internal_malloc_size (sizeof (rtype_name) * rank);
|
|
}
|
|
else
|
|
{
|
|
if (GFC_DESCRIPTOR_RANK (retarray) != 1)
|
|
runtime_error ("rank of return array does not equal 1");
|
|
|
|
if (retarray->dim[0].ubound + 1 - retarray->dim[0].lbound != rank)
|
|
runtime_error ("dimension of return array incorrect");
|
|
|
|
if (retarray->dim[0].stride == 0)
|
|
retarray->dim[0].stride = 1;
|
|
}
|
|
|
|
/* TODO: It should be a front end job to correctly set the strides. */
|
|
|
|
if (array->dim[0].stride == 0)
|
|
array->dim[0].stride = 1;
|
|
|
|
dstride = retarray->dim[0].stride;
|
|
dest = retarray->data;
|
|
for (n = 0; n < rank; n++)
|
|
{
|
|
sstride[n] = array->dim[n].stride;
|
|
extent[n] = array->dim[n].ubound + 1 - array->dim[n].lbound;
|
|
count[n] = 0;
|
|
if (extent[n] <= 0)
|
|
{
|
|
/* Set the return value. */
|
|
for (n = 0; n < rank; n++)
|
|
dest[n * dstride] = 0;
|
|
return;
|
|
}
|
|
}
|
|
|
|
base = array->data;
|
|
|
|
/* Initialize the return value. */
|
|
for (n = 0; n < rank; n++)
|
|
dest[n * dstride] = 1;
|
|
{
|
|
')dnl
|
|
define(START_FOREACH_BLOCK,
|
|
` while (base)
|
|
{
|
|
{
|
|
/* Implementation start. */
|
|
')dnl
|
|
define(FINISH_FOREACH_FUNCTION,
|
|
` /* Implementation end. */
|
|
}
|
|
/* Advance to the next element. */
|
|
count[0]++;
|
|
base += sstride[0];
|
|
n = 0;
|
|
while (count[n] == extent[n])
|
|
{
|
|
/* When we get to the end of a dimension, reset it and increment
|
|
the next dimension. */
|
|
count[n] = 0;
|
|
/* We could precalculate these products, but this is a less
|
|
frequently used path so proabably not worth it. */
|
|
base -= sstride[n] * extent[n];
|
|
n++;
|
|
if (n == rank)
|
|
{
|
|
/* Break out of the loop. */
|
|
base = NULL;
|
|
break;
|
|
}
|
|
else
|
|
{
|
|
count[n]++;
|
|
base += sstride[n];
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}')dnl
|
|
define(START_MASKED_FOREACH_FUNCTION,
|
|
`
|
|
extern void `m'name`'rtype_qual`_'atype_code (rtype * const restrict,
|
|
atype * const restrict, gfc_array_l4 * const restrict);
|
|
export_proto(`m'name`'rtype_qual`_'atype_code);
|
|
|
|
void
|
|
`m'name`'rtype_qual`_'atype_code (rtype * const restrict retarray,
|
|
atype * const restrict array,
|
|
gfc_array_l4 * const restrict mask)
|
|
{
|
|
index_type count[GFC_MAX_DIMENSIONS];
|
|
index_type extent[GFC_MAX_DIMENSIONS];
|
|
index_type sstride[GFC_MAX_DIMENSIONS];
|
|
index_type mstride[GFC_MAX_DIMENSIONS];
|
|
index_type dstride;
|
|
rtype_name *dest;
|
|
const atype_name *base;
|
|
GFC_LOGICAL_4 *mbase;
|
|
int rank;
|
|
index_type n;
|
|
|
|
rank = GFC_DESCRIPTOR_RANK (array);
|
|
if (rank <= 0)
|
|
runtime_error ("Rank of array needs to be > 0");
|
|
|
|
if (retarray->data == NULL)
|
|
{
|
|
retarray->dim[0].lbound = 0;
|
|
retarray->dim[0].ubound = rank-1;
|
|
retarray->dim[0].stride = 1;
|
|
retarray->dtype = (retarray->dtype & ~GFC_DTYPE_RANK_MASK) | 1;
|
|
retarray->offset = 0;
|
|
retarray->data = internal_malloc_size (sizeof (rtype_name) * rank);
|
|
}
|
|
else
|
|
{
|
|
if (GFC_DESCRIPTOR_RANK (retarray) != 1)
|
|
runtime_error ("rank of return array does not equal 1");
|
|
|
|
if (retarray->dim[0].ubound + 1 - retarray->dim[0].lbound != rank)
|
|
runtime_error ("dimension of return array incorrect");
|
|
|
|
if (retarray->dim[0].stride == 0)
|
|
retarray->dim[0].stride = 1;
|
|
}
|
|
|
|
/* TODO: It should be a front end job to correctly set the strides. */
|
|
|
|
if (array->dim[0].stride == 0)
|
|
array->dim[0].stride = 1;
|
|
|
|
if (mask->dim[0].stride == 0)
|
|
mask->dim[0].stride = 1;
|
|
|
|
dstride = retarray->dim[0].stride;
|
|
dest = retarray->data;
|
|
for (n = 0; n < rank; n++)
|
|
{
|
|
sstride[n] = array->dim[n].stride;
|
|
mstride[n] = mask->dim[n].stride;
|
|
extent[n] = array->dim[n].ubound + 1 - array->dim[n].lbound;
|
|
count[n] = 0;
|
|
if (extent[n] <= 0)
|
|
{
|
|
/* Set the return value. */
|
|
for (n = 0; n < rank; n++)
|
|
dest[n * dstride] = 0;
|
|
return;
|
|
}
|
|
}
|
|
|
|
base = array->data;
|
|
mbase = mask->data;
|
|
|
|
if (GFC_DESCRIPTOR_SIZE (mask) != 4)
|
|
{
|
|
/* This allows the same loop to be used for all logical types. */
|
|
assert (GFC_DESCRIPTOR_SIZE (mask) == 8);
|
|
for (n = 0; n < rank; n++)
|
|
mstride[n] <<= 1;
|
|
mbase = (GFOR_POINTER_L8_TO_L4 (mbase));
|
|
}
|
|
|
|
|
|
/* Initialize the return value. */
|
|
for (n = 0; n < rank; n++)
|
|
dest[n * dstride] = 1;
|
|
{
|
|
')dnl
|
|
define(START_MASKED_FOREACH_BLOCK, `START_FOREACH_BLOCK')dnl
|
|
define(FINISH_MASKED_FOREACH_FUNCTION,
|
|
` /* Implementation end. */
|
|
}
|
|
/* Advance to the next element. */
|
|
count[0]++;
|
|
base += sstride[0];
|
|
mbase += mstride[0];
|
|
n = 0;
|
|
while (count[n] == extent[n])
|
|
{
|
|
/* When we get to the end of a dimension, reset it and increment
|
|
the next dimension. */
|
|
count[n] = 0;
|
|
/* We could precalculate these products, but this is a less
|
|
frequently used path so proabably not worth it. */
|
|
base -= sstride[n] * extent[n];
|
|
mbase -= mstride[n] * extent[n];
|
|
n++;
|
|
if (n == rank)
|
|
{
|
|
/* Break out of the loop. */
|
|
base = NULL;
|
|
break;
|
|
}
|
|
else
|
|
{
|
|
count[n]++;
|
|
base += sstride[n];
|
|
mbase += mstride[n];
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}')dnl
|
|
define(FOREACH_FUNCTION,
|
|
`START_FOREACH_FUNCTION
|
|
$1
|
|
START_FOREACH_BLOCK
|
|
$2
|
|
FINISH_FOREACH_FUNCTION')dnl
|
|
define(MASKED_FOREACH_FUNCTION,
|
|
`START_MASKED_FOREACH_FUNCTION
|
|
$1
|
|
START_MASKED_FOREACH_BLOCK
|
|
$2
|
|
FINISH_MASKED_FOREACH_FUNCTION')dnl
|