-/* Generic implementation of the RESHAPE intrinsic
- Copyright 2002 Free Software Foundation, Inc.
+/* Generic implementation of the UNPACK intrinsic
+ Copyright 2002, 2003, 2004, 2005, 2007 Free Software Foundation, Inc.
Contributed by Paul Brook <paul@nowt.org>
-This file is part of the GNU Fortran 95 runtime library (libgfor).
+This file is part of the GNU Fortran 95 runtime library (libgfortran).
-Libgfor is free software; you can redistribute it and/or
-modify it under the terms of the GNU Lesser General Public
+Libgfortran 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 2.1 of the License, or (at your option) any later version.
+version 2 of the License, or (at your option) any later version.
-Ligbfor is distributed in the hope that it will be useful,
+In addition to the permissions in the GNU General Public License, the
+Free Software Foundation gives you unlimited permission to link the
+compiled version of this file into combinations with other programs,
+and to distribute those combinations without any restriction coming
+from the use of this file. (The General Public License restrictions
+do apply in other respects; for example, they cover modification of
+the file, and distribution when not linked into a combine
+executable.)
+
+Ligbfortran 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 Lesser General Public License for more details.
+GNU General Public License for more details.
-You should have received a copy of the GNU Lesser General Public
-License along with libgfor; see the file COPYING.LIB. If not,
-write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
-Boston, MA 02111-1307, USA. */
+You should have received a copy of the GNU General Public
+License along with libgfortran; see the file COPYING. If not,
+write to the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
+Boston, MA 02110-1301, USA. */
-#include "config.h"
+#include "libgfortran.h"
#include <stdlib.h>
#include <assert.h>
#include <string.h>
-#include "libgfortran.h"
-void
-__unpack1 (const gfc_array_char * ret, const gfc_array_char * vector,
- const gfc_array_l4 * mask, const gfc_array_char * field)
+static void
+unpack_internal (gfc_array_char *ret, const gfc_array_char *vector,
+ const gfc_array_l1 *mask, const gfc_array_char *field,
+ index_type size, index_type fsize)
{
/* r.* indicates the return array. */
index_type rstride[GFC_MAX_DIMENSIONS];
index_type rstride0;
+ index_type rs;
char *rptr;
/* v.* indicates the vector array. */
index_type vstride0;
/* m.* indicates the mask array. */
index_type mstride[GFC_MAX_DIMENSIONS];
index_type mstride0;
- const GFC_LOGICAL_4 *mptr;
+ const GFC_LOGICAL_1 *mptr;
index_type count[GFC_MAX_DIMENSIONS];
index_type extent[GFC_MAX_DIMENSIONS];
index_type n;
index_type dim;
- index_type size;
- index_type fsize;
- size = GFC_DESCRIPTOR_SIZE (ret);
- /* A field element size of 0 actually means this is a scalar. */
- fsize = GFC_DESCRIPTOR_SIZE (field);
- dim = GFC_DESCRIPTOR_RANK (ret);
- for (n = 0; n < dim; n++)
+ int empty;
+ int mask_kind;
+
+ empty = 0;
+
+ mptr = mask->data;
+
+ /* Use the same loop for all logical types, by using GFC_LOGICAL_1
+ and using shifting to address size and endian issues. */
+
+ 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
+ )
+ {
+ /* Don't convert a NULL pointer as we use test for NULL below. */
+ if (mptr)
+ mptr = GFOR_POINTER_TO_L1 (mptr, mask_kind);
+ }
+ else
+ runtime_error ("Funny sized logical array");
+
+ if (ret->data == NULL)
{
- count[n] = 0;
- extent[n] = ret->dim[n].ubound + 1 - ret->dim[n].lbound;
- rstride[n] = ret->dim[n].stride * size;
- fstride[n] = field->dim[n].stride * fsize;
- mstride[n] = mask->dim[n].stride;
+ /* The front end has signalled that we need to populate the
+ return array descriptor. */
+ dim = GFC_DESCRIPTOR_RANK (mask);
+ rs = 1;
+ for (n = 0; n < dim; n++)
+ {
+ count[n] = 0;
+ ret->dim[n].stride = rs;
+ ret->dim[n].lbound = 0;
+ ret->dim[n].ubound = mask->dim[n].ubound - mask->dim[n].lbound;
+ extent[n] = ret->dim[n].ubound + 1;
+ empty = empty || extent[n] <= 0;
+ rstride[n] = ret->dim[n].stride * size;
+ fstride[n] = field->dim[n].stride * fsize;
+ mstride[n] = mask->dim[n].stride * mask_kind;
+ rs *= extent[n];
+ }
+ ret->offset = 0;
+ ret->data = internal_malloc_size (rs * size);
+ }
+ else
+ {
+ dim = GFC_DESCRIPTOR_RANK (ret);
+ for (n = 0; n < dim; n++)
+ {
+ count[n] = 0;
+ extent[n] = ret->dim[n].ubound + 1 - ret->dim[n].lbound;
+ empty = empty || extent[n] <= 0;
+ rstride[n] = ret->dim[n].stride * size;
+ fstride[n] = field->dim[n].stride * fsize;
+ mstride[n] = mask->dim[n].stride * mask_kind;
+ }
+ if (rstride[0] == 0)
+ rstride[0] = size;
}
- if (rstride[0] == 0)
- rstride[0] = size;
+
+ if (empty)
+ return;
+
if (fstride[0] == 0)
fstride[0] = fsize;
if (mstride[0] == 0)
mstride0 = mstride[0];
rptr = ret->data;
fptr = field->data;
- mptr = mask->data;
vptr = vector->data;
-
- /* Use the same loop for both logical types. */
- if (GFC_DESCRIPTOR_SIZE (mask) != 4)
- {
- if (GFC_DESCRIPTOR_SIZE (mask) != 8)
- runtime_error ("Funny sized logical array");
- for (n = 0; n < dim; n++)
- mstride[n] <<= 1;
- mstride0 <<= 1;
- mptr = GFOR_POINTER_L8_TO_L4 (mptr);
- }
-
while (rptr)
{
if (*mptr)
the next dimension. */
count[n] = 0;
/* We could precalculate these products, but this is a less
- frequently used path so proabably not worth it. */
+ frequently used path so probably not worth it. */
rptr -= rstride[n] * extent[n];
fptr -= fstride[n] * extent[n];
mptr -= mstride[n] * extent[n];
}
}
+extern void unpack1 (gfc_array_char *, const gfc_array_char *,
+ const gfc_array_l1 *, const gfc_array_char *);
+export_proto(unpack1);
+
+void
+unpack1 (gfc_array_char *ret, const gfc_array_char *vector,
+ const gfc_array_l1 *mask, const gfc_array_char *field)
+{
+ index_type type_size;
+ index_type size;
+
+ type_size = GFC_DTYPE_TYPE_SIZE (vector);
+ size = GFC_DESCRIPTOR_SIZE (vector);
+
+ switch(type_size)
+ {
+ case GFC_DTYPE_LOGICAL_1:
+ case GFC_DTYPE_INTEGER_1:
+ case GFC_DTYPE_DERIVED_1:
+ unpack1_i1 ((gfc_array_i1 *) ret, (gfc_array_i1 *) vector,
+ mask, (gfc_array_i1 *) field);
+ return;
+
+ case GFC_DTYPE_LOGICAL_2:
+ case GFC_DTYPE_INTEGER_2:
+ unpack1_i2 ((gfc_array_i2 *) ret, (gfc_array_i2 *) vector,
+ mask, (gfc_array_i2 *) field);
+ return;
+
+ case GFC_DTYPE_LOGICAL_4:
+ case GFC_DTYPE_INTEGER_4:
+ unpack1_i4 ((gfc_array_i4 *) ret, (gfc_array_i4 *) vector,
+ mask, (gfc_array_i4 *) field);
+ return;
+
+ case GFC_DTYPE_LOGICAL_8:
+ case GFC_DTYPE_INTEGER_8:
+ unpack1_i8 ((gfc_array_i8 *) ret, (gfc_array_i8 *) vector,
+ mask, (gfc_array_i8 *) field);
+ return;
+
+#ifdef HAVE_GFC_INTEGER_16
+ case GFC_DTYPE_LOGICAL_16:
+ case GFC_DTYPE_INTEGER_16:
+ unpack1_i16 ((gfc_array_i16 *) ret, (gfc_array_i16 *) vector,
+ mask, (gfc_array_i16 *) field);
+ return;
+#endif
+ case GFC_DTYPE_REAL_4:
+ unpack1_r4 ((gfc_array_r4 *) ret, (gfc_array_r4 *) vector,
+ mask, (gfc_array_r4 *) field);
+ return;
+
+ case GFC_DTYPE_REAL_8:
+ unpack1_r8 ((gfc_array_r8 *) ret, (gfc_array_r8 *) vector,
+ mask, (gfc_array_r8 *) field);
+ return;
+
+#ifdef HAVE_GFC_REAL_10
+ case GFC_DTYPE_REAL_10:
+ unpack1_r10 ((gfc_array_r10 *) ret, (gfc_array_r10 *) vector,
+ mask, (gfc_array_r10 *) field);
+ return;
+#endif
+
+#ifdef HAVE_GFC_REAL_16
+ case GFC_DTYPE_REAL_16:
+ unpack1_r16 ((gfc_array_r16 *) ret, (gfc_array_r16 *) vector,
+ mask, (gfc_array_r16 *) field);
+ return;
+#endif
+
+ case GFC_DTYPE_COMPLEX_4:
+ unpack1_c4 ((gfc_array_c4 *) ret, (gfc_array_c4 *) vector,
+ mask, (gfc_array_c4 *) field);
+ return;
+
+ case GFC_DTYPE_COMPLEX_8:
+ unpack1_c8 ((gfc_array_c8 *) ret, (gfc_array_c8 *) vector,
+ mask, (gfc_array_c8 *) field);
+ return;
+
+#ifdef HAVE_GFC_COMPLEX_10
+ case GFC_DTYPE_COMPLEX_10:
+ unpack1_c10 ((gfc_array_c10 *) ret, (gfc_array_c10 *) vector,
+ mask, (gfc_array_c10 *) field);
+ return;
+#endif
+
+#ifdef HAVE_GFC_COMPLEX_16
+ case GFC_DTYPE_COMPLEX_16:
+ unpack1_c16 ((gfc_array_c16 *) ret, (gfc_array_c16 *) vector,
+ mask, (gfc_array_c16 *) field);
+ return;
+#endif
+
+ case GFC_DTYPE_DERIVED_2:
+ if (GFC_UNALIGNED_2(ret->data) || GFC_UNALIGNED_2(vector->data)
+ || GFC_UNALIGNED_2(field->data))
+ break;
+ else
+ {
+ unpack1_i2 ((gfc_array_i2 *) ret, (gfc_array_i2 *) vector,
+ mask, (gfc_array_i2 *) field);
+ return;
+ }
+
+ case GFC_DTYPE_DERIVED_4:
+ if (GFC_UNALIGNED_4(ret->data) || GFC_UNALIGNED_4(vector->data)
+ || GFC_UNALIGNED_4(field->data))
+ break;
+ else
+ {
+ unpack1_i4 ((gfc_array_i4 *) ret, (gfc_array_i4 *) vector,
+ mask, (gfc_array_i4 *) field);
+ return;
+ }
+
+ case GFC_DTYPE_DERIVED_8:
+ if (GFC_UNALIGNED_8(ret->data) || GFC_UNALIGNED_8(vector->data)
+ || GFC_UNALIGNED_8(field->data))
+ break;
+ else
+ {
+ unpack1_i8 ((gfc_array_i8 *) ret, (gfc_array_i8 *) vector,
+ mask, (gfc_array_i8 *) field);
+ return;
+ }
+
+#ifdef HAVE_GFC_INTEGER_16
+ case GFC_DTYPE_DERIVED_16:
+ if (GFC_UNALIGNED_16(ret->data) || GFC_UNALIGNED_16(vector->data)
+ || GFC_UNALIGNED_16(field->data))
+ break;
+ else
+ {
+ unpack1_i16 ((gfc_array_i16 *) ret, (gfc_array_i16 *) vector,
+ mask, (gfc_array_i16 *) field);
+ return;
+ }
+#endif
+ }
+
+ unpack_internal (ret, vector, mask, field, size,
+ GFC_DESCRIPTOR_SIZE (field));
+}
+
+
+extern void unpack1_char (gfc_array_char *, GFC_INTEGER_4,
+ const gfc_array_char *, const gfc_array_l1 *,
+ const gfc_array_char *, GFC_INTEGER_4,
+ GFC_INTEGER_4);
+export_proto(unpack1_char);
+
+void
+unpack1_char (gfc_array_char *ret,
+ GFC_INTEGER_4 ret_length __attribute__((unused)),
+ const gfc_array_char *vector, const gfc_array_l1 *mask,
+ const gfc_array_char *field, GFC_INTEGER_4 vector_length,
+ GFC_INTEGER_4 field_length)
+{
+ unpack_internal (ret, vector, mask, field, vector_length, field_length);
+}
+
+
+extern void unpack1_char4 (gfc_array_char *, GFC_INTEGER_4,
+ const gfc_array_char *, const gfc_array_l1 *,
+ const gfc_array_char *, GFC_INTEGER_4,
+ GFC_INTEGER_4);
+export_proto(unpack1_char4);
+
+void
+unpack1_char4 (gfc_array_char *ret,
+ GFC_INTEGER_4 ret_length __attribute__((unused)),
+ const gfc_array_char *vector, const gfc_array_l1 *mask,
+ const gfc_array_char *field, GFC_INTEGER_4 vector_length,
+ GFC_INTEGER_4 field_length)
+{
+ unpack_internal (ret, vector, mask, field,
+ vector_length * sizeof (gfc_char4_t),
+ field_length * sizeof (gfc_char4_t));
+}
+
+
+extern void unpack0 (gfc_array_char *, const gfc_array_char *,
+ const gfc_array_l1 *, char *);
+export_proto(unpack0);
+
+void
+unpack0 (gfc_array_char *ret, const gfc_array_char *vector,
+ const gfc_array_l1 *mask, char *field)
+{
+ gfc_array_char tmp;
+
+ index_type type_size;
+ index_type size;
+
+ type_size = GFC_DTYPE_TYPE_SIZE (vector);
+ size = GFC_DESCRIPTOR_SIZE (vector);
+
+ switch(type_size)
+ {
+ case GFC_DTYPE_LOGICAL_1:
+ case GFC_DTYPE_INTEGER_1:
+ case GFC_DTYPE_DERIVED_1:
+ unpack0_i1 ((gfc_array_i1 *) ret, (gfc_array_i1 *) vector,
+ mask, (GFC_INTEGER_1 *) field);
+ return;
+
+ case GFC_DTYPE_LOGICAL_2:
+ case GFC_DTYPE_INTEGER_2:
+ unpack0_i2 ((gfc_array_i2 *) ret, (gfc_array_i2 *) vector,
+ mask, (GFC_INTEGER_2 *) field);
+ return;
+
+ case GFC_DTYPE_LOGICAL_4:
+ case GFC_DTYPE_INTEGER_4:
+ unpack0_i4 ((gfc_array_i4 *) ret, (gfc_array_i4 *) vector,
+ mask, (GFC_INTEGER_4 *) field);
+ return;
+
+ case GFC_DTYPE_LOGICAL_8:
+ case GFC_DTYPE_INTEGER_8:
+ unpack0_i8 ((gfc_array_i8 *) ret, (gfc_array_i8 *) vector,
+ mask, (GFC_INTEGER_8 *) field);
+ return;
+
+#ifdef HAVE_GFC_INTEGER_16
+ case GFC_DTYPE_LOGICAL_16:
+ case GFC_DTYPE_INTEGER_16:
+ unpack0_i16 ((gfc_array_i16 *) ret, (gfc_array_i16 *) vector,
+ mask, (GFC_INTEGER_16 *) field);
+ return;
+#endif
+ case GFC_DTYPE_REAL_4:
+ unpack0_r4 ((gfc_array_r4 *) ret, (gfc_array_r4 *) vector,
+ mask, (GFC_REAL_4 *) field);
+ return;
+
+ case GFC_DTYPE_REAL_8:
+ unpack0_r8 ((gfc_array_r8 *) ret, (gfc_array_r8*) vector,
+ mask, (GFC_REAL_8 *) field);
+ return;
+
+#ifdef HAVE_GFC_REAL_10
+ case GFC_DTYPE_REAL_10:
+ unpack0_r10 ((gfc_array_r10 *) ret, (gfc_array_r10 *) vector,
+ mask, (GFC_REAL_10 *) field);
+ return;
+#endif
+
+#ifdef HAVE_GFC_REAL_16
+ case GFC_DTYPE_REAL_16:
+ unpack0_r16 ((gfc_array_r16 *) ret, (gfc_array_r16 *) vector,
+ mask, (GFC_REAL_16 *) field);
+ return;
+#endif
+
+ case GFC_DTYPE_COMPLEX_4:
+ unpack0_c4 ((gfc_array_c4 *) ret, (gfc_array_c4 *) vector,
+ mask, (GFC_COMPLEX_4 *) field);
+ return;
+
+ case GFC_DTYPE_COMPLEX_8:
+ unpack0_c8 ((gfc_array_c8 *) ret, (gfc_array_c8 *) vector,
+ mask, (GFC_COMPLEX_8 *) field);
+ return;
+
+#ifdef HAVE_GFC_COMPLEX_10
+ case GFC_DTYPE_COMPLEX_10:
+ unpack0_c10 ((gfc_array_c10 *) ret, (gfc_array_c10 *) vector,
+ mask, (GFC_COMPLEX_10 *) field);
+ return;
+#endif
+
+#ifdef HAVE_GFC_COMPLEX_16
+ case GFC_DTYPE_COMPLEX_16:
+ unpack0_c16 ((gfc_array_c16 *) ret, (gfc_array_c16 *) vector,
+ mask, (GFC_COMPLEX_16 *) field);
+ return;
+#endif
+ case GFC_DTYPE_DERIVED_2:
+ if (GFC_UNALIGNED_2(ret->data) || GFC_UNALIGNED_2(vector->data)
+ || GFC_UNALIGNED_2(field))
+ break;
+ else
+ {
+ unpack0_i2 ((gfc_array_i2 *) ret, (gfc_array_i2 *) vector,
+ mask, (GFC_INTEGER_2 *) field);
+ return;
+ }
+
+ case GFC_DTYPE_DERIVED_4:
+ if (GFC_UNALIGNED_4(ret->data) || GFC_UNALIGNED_4(vector->data)
+ || GFC_UNALIGNED_4(field))
+ break;
+ else
+ {
+ unpack0_i4 ((gfc_array_i4 *) ret, (gfc_array_i4 *) vector,
+ mask, (GFC_INTEGER_4 *) field);
+ return;
+ }
+
+ case GFC_DTYPE_DERIVED_8:
+ if (GFC_UNALIGNED_8(ret->data) || GFC_UNALIGNED_8(vector->data)
+ || GFC_UNALIGNED_8(field))
+ break;
+ else
+ {
+ unpack0_i8 ((gfc_array_i8 *) ret, (gfc_array_i8 *) vector,
+ mask, (GFC_INTEGER_8 *) field);
+ return;
+ }
+#ifdef HAVE_GFC_INTEGER_16
+ case GFC_DTYPE_DERIVED_16:
+ if (GFC_UNALIGNED_16(ret->data) || GFC_UNALIGNED_16(vector->data)
+ || GFC_UNALIGNED_16(field))
+ break;
+ else
+ {
+ unpack0_i16 ((gfc_array_i16 *) ret, (gfc_array_i16 *) vector,
+ mask, (GFC_INTEGER_16 *) field);
+ return;
+ }
+#endif
+ }
+
+ memset (&tmp, 0, sizeof (tmp));
+ tmp.dtype = 0;
+ tmp.data = field;
+ unpack_internal (ret, vector, mask, &tmp, GFC_DESCRIPTOR_SIZE (vector), 0);
+}
+
+
+extern void unpack0_char (gfc_array_char *, GFC_INTEGER_4,
+ const gfc_array_char *, const gfc_array_l1 *,
+ char *, GFC_INTEGER_4, GFC_INTEGER_4);
+export_proto(unpack0_char);
+
void
-__unpack0 (const gfc_array_char * ret, const gfc_array_char * vector,
- const gfc_array_l4 * mask, char * field)
+unpack0_char (gfc_array_char *ret,
+ GFC_INTEGER_4 ret_length __attribute__((unused)),
+ const gfc_array_char *vector, const gfc_array_l1 *mask,
+ char *field, GFC_INTEGER_4 vector_length,
+ GFC_INTEGER_4 field_length __attribute__((unused)))
{
gfc_array_char tmp;
+ memset (&tmp, 0, sizeof (tmp));
tmp.dtype = 0;
tmp.data = field;
- __unpack1 (ret, vector, mask, &tmp);
+ unpack_internal (ret, vector, mask, &tmp, vector_length, 0);
}
+
+extern void unpack0_char4 (gfc_array_char *, GFC_INTEGER_4,
+ const gfc_array_char *, const gfc_array_l1 *,
+ char *, GFC_INTEGER_4, GFC_INTEGER_4);
+export_proto(unpack0_char4);
+
+void
+unpack0_char4 (gfc_array_char *ret,
+ GFC_INTEGER_4 ret_length __attribute__((unused)),
+ const gfc_array_char *vector, const gfc_array_l1 *mask,
+ char *field, GFC_INTEGER_4 vector_length,
+ GFC_INTEGER_4 field_length __attribute__((unused)))
+{
+ gfc_array_char tmp;
+
+ memset (&tmp, 0, sizeof (tmp));
+ tmp.dtype = 0;
+ tmp.data = field;
+ unpack_internal (ret, vector, mask, &tmp,
+ vector_length * sizeof (gfc_char4_t), 0);
+}
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