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 LGPL. See COPYING for details.
+dnl This file is part of the GNU Fortran Runtime Library (libgfortran)
+dnl Distributed under the GNU GPL with exception. See COPYING for details.
dnl
dnl Pass the implementation for a single section as the parameter to
dnl {MASK_}ARRAY_FUNCTION.
dnl You should not return or break from the inner loop of the implementation.
dnl Care should also be taken to avoid using the names defined in iparm.m4
define(START_ARRAY_FUNCTION,
-`void
-`__'name`'rtype_qual`_'atype_code (rtype * retarray, atype *array, index_type *pdim)
+`
+extern void name`'rtype_qual`_'atype_code (rtype * const restrict,
+ atype * const restrict, const index_type * const restrict);
+export_proto(name`'rtype_qual`_'atype_code);
+
+void
+name`'rtype_qual`_'atype_code (rtype * const restrict retarray,
+ atype * const restrict array,
+ const index_type * const restrict pdim)
{
- index_type count[GFC_MAX_DIMENSIONS - 1];
- index_type extent[GFC_MAX_DIMENSIONS - 1];
- index_type sstride[GFC_MAX_DIMENSIONS - 1];
- index_type dstride[GFC_MAX_DIMENSIONS - 1];
- atype_name *base;
- rtype_name *dest;
+ index_type count[GFC_MAX_DIMENSIONS];
+ index_type extent[GFC_MAX_DIMENSIONS];
+ index_type sstride[GFC_MAX_DIMENSIONS];
+ index_type dstride[GFC_MAX_DIMENSIONS];
+ const atype_name * restrict base;
+ rtype_name * restrict dest;
index_type rank;
index_type n;
index_type len;
index_type delta;
index_type dim;
+ int continue_loop;
/* Make dim zero based to avoid confusion. */
dim = (*pdim) - 1;
rank = GFC_DESCRIPTOR_RANK (array) - 1;
- assert (rank == GFC_DESCRIPTOR_RANK (retarray));
- if (array->dim[0].stride == 0)
- array->dim[0].stride = 1;
- if (retarray->dim[0].stride == 0)
- retarray->dim[0].stride = 1;
- len = array->dim[dim].ubound + 1 - array->dim[dim].lbound;
- delta = array->dim[dim].stride;
+ len = GFC_DESCRIPTOR_EXTENT(array,dim);
+ if (len < 0)
+ len = 0;
+ delta = GFC_DESCRIPTOR_STRIDE(array,dim);
for (n = 0; n < dim; n++)
{
- sstride[n] = array->dim[n].stride;
- extent[n] = array->dim[n].ubound + 1 - array->dim[n].lbound;
+ sstride[n] = GFC_DESCRIPTOR_STRIDE(array,n);
+ extent[n] = GFC_DESCRIPTOR_EXTENT(array,n);
+
+ if (extent[n] < 0)
+ extent[n] = 0;
}
for (n = dim; n < rank; n++)
{
- sstride[n] = array->dim[n + 1].stride;
- extent[n] =
- array->dim[n + 1].ubound + 1 - array->dim[n + 1].lbound;
+ sstride[n] = GFC_DESCRIPTOR_STRIDE(array, n + 1);
+ extent[n] = GFC_DESCRIPTOR_EXTENT(array, n + 1);
+
+ if (extent[n] < 0)
+ extent[n] = 0;
+ }
+
+ if (retarray->data == NULL)
+ {
+ size_t alloc_size, str;
+
+ for (n = 0; n < rank; n++)
+ {
+ if (n == 0)
+ str = 1;
+ else
+ str = GFC_DESCRIPTOR_STRIDE(retarray,n-1) * extent[n-1];
+
+ GFC_DIMENSION_SET(retarray->dim[n], 0, extent[n] - 1, str);
+
+ }
+
+ retarray->offset = 0;
+ retarray->dtype = (array->dtype & ~GFC_DTYPE_RANK_MASK) | rank;
+
+ alloc_size = sizeof (rtype_name) * GFC_DESCRIPTOR_STRIDE(retarray,rank-1)
+ * extent[rank-1];
+
+ retarray->data = internal_malloc_size (alloc_size);
+ if (alloc_size == 0)
+ {
+ /* Make sure we have a zero-sized array. */
+ GFC_DIMENSION_SET(retarray->dim[0], 0, -1, 1);
+ return;
+
+ }
+ }
+ else
+ {
+ if (rank != GFC_DESCRIPTOR_RANK (retarray))
+ runtime_error ("rank of return array incorrect in"
+ " u_name intrinsic: is %ld, should be %ld",
+ (long int) (GFC_DESCRIPTOR_RANK (retarray)),
+ (long int) rank);
+
+ if (unlikely (compile_options.bounds_check))
+ bounds_ifunction_return ((array_t *) retarray, extent,
+ "return value", "u_name");
}
for (n = 0; n < rank; n++)
{
count[n] = 0;
- dstride[n] = retarray->dim[n].stride;
+ dstride[n] = GFC_DESCRIPTOR_STRIDE(retarray,n);
if (extent[n] <= 0)
- len = 0;
+ return;
}
base = array->data;
dest = retarray->data;
- while (base)
+ continue_loop = 1;
+ while (continue_loop)
{
- atype_name *src;
+ const atype_name * restrict src;
rtype_name result;
src = base;
{
')dnl
define(START_ARRAY_BLOCK,
-` if (len <= 0)
+` if (len <= 0)
*dest = '$1`;
else
{
{
')dnl
define(FINISH_ARRAY_FUNCTION,
- ` }
+` }
+ '$1`
*dest = result;
}
}
dest += dstride[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];
- dest -= dstride[n] * extent[n];
- n++;
- if (n == rank)
- {
- /* Break out of the look. */
- base = NULL;
- break;
- }
- else
- {
- count[n]++;
- base += sstride[n];
- dest += dstride[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 probably not worth it. */
+ base -= sstride[n] * extent[n];
+ dest -= dstride[n] * extent[n];
+ n++;
+ if (n == rank)
+ {
+ /* Break out of the look. */
+ continue_loop = 0;
+ break;
+ }
+ else
+ {
+ count[n]++;
+ base += sstride[n];
+ dest += dstride[n];
+ }
+ }
}
}')dnl
define(START_MASKED_ARRAY_FUNCTION,
-`void
-`__m'name`'rtype_qual`_'atype_code (rtype * retarray, atype * array, index_type *pdim, gfc_array_l4 * mask)
+`
+extern void `m'name`'rtype_qual`_'atype_code (rtype * const restrict,
+ atype * const restrict, const index_type * const restrict,
+ gfc_array_l1 * 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,
+ const index_type * const restrict pdim,
+ gfc_array_l1 * const restrict mask)
{
- index_type count[GFC_MAX_DIMENSIONS - 1];
- index_type extent[GFC_MAX_DIMENSIONS - 1];
- index_type sstride[GFC_MAX_DIMENSIONS - 1];
- index_type dstride[GFC_MAX_DIMENSIONS - 1];
- index_type mstride[GFC_MAX_DIMENSIONS - 1];
- rtype_name *dest;
- atype_name *base;
- GFC_LOGICAL_4 *mbase;
+ index_type count[GFC_MAX_DIMENSIONS];
+ index_type extent[GFC_MAX_DIMENSIONS];
+ index_type sstride[GFC_MAX_DIMENSIONS];
+ index_type dstride[GFC_MAX_DIMENSIONS];
+ index_type mstride[GFC_MAX_DIMENSIONS];
+ rtype_name * restrict dest;
+ const atype_name * restrict base;
+ const GFC_LOGICAL_1 * restrict mbase;
int rank;
int dim;
index_type n;
index_type len;
index_type delta;
index_type mdelta;
+ int mask_kind;
dim = (*pdim) - 1;
rank = GFC_DESCRIPTOR_RANK (array) - 1;
- assert (rank == GFC_DESCRIPTOR_RANK (retarray));
- if (array->dim[0].stride == 0)
- array->dim[0].stride = 1;
- if (retarray->dim[0].stride == 0)
- retarray->dim[0].stride = 1;
- len = array->dim[dim].ubound + 1 - array->dim[dim].lbound;
+ len = GFC_DESCRIPTOR_EXTENT(array,dim);
if (len <= 0)
return;
- delta = array->dim[dim].stride;
- mdelta = mask->dim[dim].stride;
+
+ mbase = mask->data;
+
+ mask_kind = GFC_DESCRIPTOR_SIZE (mask);
+
+ if (mask_kind == 1 || mask_kind == 2 || mask_kind == 4 || mask_kind == 8
+#ifdef HAVE_GFC_LOGICAL_16
+ || mask_kind == 16
+#endif
+ )
+ mbase = GFOR_POINTER_TO_L1 (mbase, mask_kind);
+ else
+ runtime_error ("Funny sized logical array");
+
+ delta = GFC_DESCRIPTOR_STRIDE(array,dim);
+ mdelta = GFC_DESCRIPTOR_STRIDE_BYTES(mask,dim);
for (n = 0; n < dim; n++)
{
- sstride[n] = array->dim[n].stride;
- mstride[n] = mask->dim[n].stride;
- extent[n] = array->dim[n].ubound + 1 - array->dim[n].lbound;
+ sstride[n] = GFC_DESCRIPTOR_STRIDE(array,n);
+ mstride[n] = GFC_DESCRIPTOR_STRIDE_BYTES(mask,n);
+ extent[n] = GFC_DESCRIPTOR_EXTENT(array,n);
+
+ if (extent[n] < 0)
+ extent[n] = 0;
+
}
for (n = dim; n < rank; n++)
{
- sstride[n] = array->dim[n + 1].stride;
- mstride[n] = mask->dim[n + 1].stride;
- extent[n] =
- array->dim[n + 1].ubound + 1 - array->dim[n + 1].lbound;
+ sstride[n] = GFC_DESCRIPTOR_STRIDE(array,n + 1);
+ mstride[n] = GFC_DESCRIPTOR_STRIDE_BYTES(mask, n + 1);
+ extent[n] = GFC_DESCRIPTOR_EXTENT(array, n + 1);
+
+ if (extent[n] < 0)
+ extent[n] = 0;
+ }
+
+ if (retarray->data == NULL)
+ {
+ size_t alloc_size, str;
+
+ for (n = 0; n < rank; n++)
+ {
+ if (n == 0)
+ str = 1;
+ else
+ str= GFC_DESCRIPTOR_STRIDE(retarray,n-1) * extent[n-1];
+
+ GFC_DIMENSION_SET(retarray->dim[n], 0, extent[n] - 1, str);
+
+ }
+
+ alloc_size = sizeof (rtype_name) * GFC_DESCRIPTOR_STRIDE(retarray,rank-1)
+ * extent[rank-1];
+
+ retarray->offset = 0;
+ retarray->dtype = (array->dtype & ~GFC_DTYPE_RANK_MASK) | rank;
+
+ if (alloc_size == 0)
+ {
+ /* Make sure we have a zero-sized array. */
+ GFC_DIMENSION_SET(retarray->dim[0], 0, -1, 1);
+ return;
+ }
+ else
+ retarray->data = internal_malloc_size (alloc_size);
+
+ }
+ else
+ {
+ if (rank != GFC_DESCRIPTOR_RANK (retarray))
+ runtime_error ("rank of return array incorrect in u_name intrinsic");
+
+ if (unlikely (compile_options.bounds_check))
+ {
+ bounds_ifunction_return ((array_t *) retarray, extent,
+ "return value", "u_name");
+ bounds_equal_extents ((array_t *) mask, (array_t *) array,
+ "MASK argument", "u_name");
+ }
}
for (n = 0; n < rank; n++)
{
count[n] = 0;
- dstride[n] = retarray->dim[n].stride;
+ dstride[n] = GFC_DESCRIPTOR_STRIDE(retarray,n);
if (extent[n] <= 0)
- return;
+ return;
}
dest = retarray->data;
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;
- mdelta <<= 1;
- mbase = (GFOR_POINTER_L8_TO_L4 (mbase));
- }
while (base)
{
- atype_name *src;
- GFC_LOGICAL_4 *msrc;
+ const atype_name * restrict src;
+ const GFC_LOGICAL_1 * restrict msrc;
rtype_name result;
src = base;
msrc = mbase;
{
')dnl
define(START_MASKED_ARRAY_BLOCK,
-` if (len <= 0)
+` if (len <= 0)
*dest = '$1`;
else
{
{
')dnl
define(FINISH_MASKED_ARRAY_FUNCTION,
-` }
+` }
*dest = result;
}
}
dest += dstride[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];
- dest -= dstride[n] * extent[n];
- n++;
- if (n == rank)
- {
- /* Break out of the look. */
- base = NULL;
- break;
- }
- else
- {
- count[n]++;
- base += sstride[n];
- mbase += mstride[n];
- dest += dstride[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 probably not worth it. */
+ base -= sstride[n] * extent[n];
+ mbase -= mstride[n] * extent[n];
+ dest -= dstride[n] * extent[n];
+ n++;
+ if (n == rank)
+ {
+ /* Break out of the look. */
+ base = NULL;
+ break;
+ }
+ else
+ {
+ count[n]++;
+ base += sstride[n];
+ mbase += mstride[n];
+ dest += dstride[n];
+ }
+ }
+ }
+}')dnl
+define(SCALAR_ARRAY_FUNCTION,
+`
+extern void `s'name`'rtype_qual`_'atype_code (rtype * const restrict,
+ atype * const restrict, const index_type * const restrict,
+ GFC_LOGICAL_4 *);
+export_proto(`s'name`'rtype_qual`_'atype_code);
+
+void
+`s'name`'rtype_qual`_'atype_code (rtype * const restrict retarray,
+ atype * const restrict array,
+ const index_type * const restrict pdim,
+ GFC_LOGICAL_4 * mask)
+{
+ index_type count[GFC_MAX_DIMENSIONS];
+ index_type extent[GFC_MAX_DIMENSIONS];
+ index_type dstride[GFC_MAX_DIMENSIONS];
+ rtype_name * restrict dest;
+ index_type rank;
+ index_type n;
+ index_type dim;
+
+
+ if (*mask)
+ {
+ name`'rtype_qual`_'atype_code (retarray, array, pdim);
+ return;
+ }
+ /* Make dim zero based to avoid confusion. */
+ dim = (*pdim) - 1;
+ rank = GFC_DESCRIPTOR_RANK (array) - 1;
+
+ for (n = 0; n < dim; n++)
+ {
+ extent[n] = GFC_DESCRIPTOR_EXTENT(array,n);
+
+ if (extent[n] <= 0)
+ extent[n] = 0;
+ }
+
+ for (n = dim; n < rank; n++)
+ {
+ extent[n] =
+ GFC_DESCRIPTOR_EXTENT(array,n + 1);
+
+ if (extent[n] <= 0)
+ extent[n] = 0;
+ }
+
+ if (retarray->data == NULL)
+ {
+ size_t alloc_size, str;
+
+ for (n = 0; n < rank; n++)
+ {
+ if (n == 0)
+ str = 1;
+ else
+ str = GFC_DESCRIPTOR_STRIDE(retarray,n-1) * extent[n-1];
+
+ GFC_DIMENSION_SET(retarray->dim[n], 0, extent[n] - 1, str);
+
+ }
+
+ retarray->offset = 0;
+ retarray->dtype = (array->dtype & ~GFC_DTYPE_RANK_MASK) | rank;
+
+ alloc_size = sizeof (rtype_name) * GFC_DESCRIPTOR_STRIDE(retarray,rank-1)
+ * extent[rank-1];
+
+ if (alloc_size == 0)
+ {
+ /* Make sure we have a zero-sized array. */
+ GFC_DIMENSION_SET(retarray->dim[0], 0, -1, 1);
+ return;
+ }
+ else
+ retarray->data = internal_malloc_size (alloc_size);
+ }
+ else
+ {
+ if (rank != GFC_DESCRIPTOR_RANK (retarray))
+ runtime_error ("rank of return array incorrect in"
+ " u_name intrinsic: is %ld, should be %ld",
+ (long int) (GFC_DESCRIPTOR_RANK (retarray)),
+ (long int) rank);
+
+ if (unlikely (compile_options.bounds_check))
+ {
+ for (n=0; n < rank; n++)
+ {
+ index_type ret_extent;
+
+ ret_extent = GFC_DESCRIPTOR_EXTENT(retarray,n);
+ if (extent[n] != ret_extent)
+ runtime_error ("Incorrect extent in return value of"
+ " u_name intrinsic in dimension %ld:"
+ " is %ld, should be %ld", (long int) n + 1,
+ (long int) ret_extent, (long int) extent[n]);
+ }
+ }
+ }
+
+ for (n = 0; n < rank; n++)
+ {
+ count[n] = 0;
+ dstride[n] = GFC_DESCRIPTOR_STRIDE(retarray,n);
+ }
+
+ dest = retarray->data;
+
+ while(1)
+ {
+ *dest = '$1`;
+ count[0]++;
+ dest += dstride[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 probably not worth it. */
+ dest -= dstride[n] * extent[n];
+ n++;
+ if (n == rank)
+ return;
+ else
+ {
+ count[n]++;
+ dest += dstride[n];
+ }
+ }
}
}')dnl
define(ARRAY_FUNCTION,
$2
START_ARRAY_BLOCK($1)
$3
-FINISH_ARRAY_FUNCTION')dnl
+FINISH_ARRAY_FUNCTION($4)')dnl
define(MASKED_ARRAY_FUNCTION,
`START_MASKED_ARRAY_FUNCTION
$2