/* Generic implementation of the PACK intrinsic
- Copyright (C) 2002, 2004, 2005, 2006 Free Software Foundation, Inc.
+ Copyright (C) 2002, 2004, 2005, 2006, 2007 Free Software Foundation, Inc.
Contributed by Paul Brook <paul@nowt.org>
This file is part of the GNU Fortran 95 runtime library (libgfortran).
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"
/* PACK is specified as follows:
}
extern void pack (gfc_array_char *, const gfc_array_char *,
- const gfc_array_l4 *, const gfc_array_char *);
+ const gfc_array_l1 *, const gfc_array_char *);
export_proto(pack);
void
pack (gfc_array_char *ret, const gfc_array_char *array,
- const gfc_array_l4 *mask, const gfc_array_char *vector)
+ const gfc_array_l1 *mask, const gfc_array_char *vector)
{
- pack_internal (ret, array, mask, vector, GFC_DESCRIPTOR_SIZE (array));
+ index_type type_size;
+ index_type size;
+
+ type_size = GFC_DTYPE_TYPE_SIZE(array);
+
+ switch(type_size)
+ {
+ case GFC_DTYPE_LOGICAL_1:
+ case GFC_DTYPE_INTEGER_1:
+ case GFC_DTYPE_DERIVED_1:
+ pack_i1 ((gfc_array_i1 *) ret, (gfc_array_i1 *) array,
+ (gfc_array_l1 *) mask, (gfc_array_i1 *) vector);
+ return;
+
+ case GFC_DTYPE_LOGICAL_2:
+ case GFC_DTYPE_INTEGER_2:
+ pack_i2 ((gfc_array_i2 *) ret, (gfc_array_i2 *) array,
+ (gfc_array_l1 *) mask, (gfc_array_i2 *) vector);
+ return;
+
+ case GFC_DTYPE_LOGICAL_4:
+ case GFC_DTYPE_INTEGER_4:
+
+ pack_i4 ((gfc_array_i4 *) ret, (gfc_array_i4 *) array,
+ (gfc_array_l1 *) mask, (gfc_array_i4 *) vector);
+ return;
+
+ case GFC_DTYPE_LOGICAL_8:
+ case GFC_DTYPE_INTEGER_8:
+
+ pack_i8 ((gfc_array_i8 *) ret, (gfc_array_i8 *) array,
+ (gfc_array_l1 *) mask, (gfc_array_i8 *) vector);
+ return;
+
+#ifdef HAVE_GFC_INTEGER_16
+ case GFC_DTYPE_LOGICAL_16:
+ case GFC_DTYPE_INTEGER_16:
+
+ pack_i16 ((gfc_array_i16 *) ret, (gfc_array_i16 *) array,
+ (gfc_array_l1 *) mask, (gfc_array_i16 *) vector);
+ return;
+#endif
+ case GFC_DTYPE_REAL_4:
+ pack_r4 ((gfc_array_r4 *) ret, (gfc_array_r4 *) array,
+ (gfc_array_l1 *) mask, (gfc_array_r4 *) vector);
+ return;
+
+ case GFC_DTYPE_REAL_8:
+ pack_r8 ((gfc_array_r8 *) ret, (gfc_array_r8 *) array,
+ (gfc_array_l1 *) mask, (gfc_array_r8 *) vector);
+ return;
+
+#ifdef HAVE_GFC_REAL_10
+ case GFC_DTYPE_REAL_10:
+ pack_r10 ((gfc_array_r10 *) ret, (gfc_array_r10 *) array,
+ (gfc_array_l1 *) mask, (gfc_array_r10 *) vector);
+ return;
+#endif
+
+#ifdef HAVE_GFC_REAL_16
+ case GFC_DTYPE_REAL_16:
+ pack_r16 ((gfc_array_r16 *) ret, (gfc_array_r16 *) array,
+ (gfc_array_l1 *) mask, (gfc_array_r16 *) vector);
+ return;
+#endif
+ case GFC_DTYPE_COMPLEX_4:
+ pack_c4 ((gfc_array_c4 *) ret, (gfc_array_c4 *) array,
+ (gfc_array_l1 *) mask, (gfc_array_c4 *) vector);
+ return;
+
+ case GFC_DTYPE_COMPLEX_8:
+ pack_c8 ((gfc_array_c8 *) ret, (gfc_array_c8 *) array,
+ (gfc_array_l1 *) mask, (gfc_array_c8 *) vector);
+ return;
+
+#ifdef HAVE_GFC_COMPLEX_10
+ case GFC_DTYPE_COMPLEX_10:
+ pack_c10 ((gfc_array_c10 *) ret, (gfc_array_c10 *) array,
+ (gfc_array_l1 *) mask, (gfc_array_c10 *) vector);
+ return;
+#endif
+
+#ifdef HAVE_GFC_COMPLEX_16
+ case GFC_DTYPE_COMPLEX_16:
+ pack_c16 ((gfc_array_c16 *) ret, (gfc_array_c16 *) array,
+ (gfc_array_l1 *) mask, (gfc_array_c16 *) vector);
+ return;
+#endif
+
+ /* For derived types, let's check the actual alignment of the
+ data pointers. If they are aligned, we can safely call
+ the unpack functions. */
+
+ case GFC_DTYPE_DERIVED_2:
+ if (GFC_UNALIGNED_2(ret->data) || GFC_UNALIGNED_2(array->data)
+ || GFC_UNALIGNED_2(vector->data))
+ break;
+ else
+ {
+ pack_i2 ((gfc_array_i2 *) ret, (gfc_array_i2 *) array,
+ (gfc_array_l1 *) mask, (gfc_array_i2 *) vector);
+ return;
+ }
+
+ case GFC_DTYPE_DERIVED_4:
+ if (GFC_UNALIGNED_4(ret->data) || GFC_UNALIGNED_4(array->data)
+ || GFC_UNALIGNED_4(vector->data))
+ break;
+ else
+ {
+ pack_i4 ((gfc_array_i4 *) ret, (gfc_array_i4 *) array,
+ (gfc_array_l1 *) mask, (gfc_array_i4 *) vector);
+ return;
+ }
+
+ case GFC_DTYPE_DERIVED_8:
+ if (GFC_UNALIGNED_8(ret->data) || GFC_UNALIGNED_8(array->data)
+ || GFC_UNALIGNED_8(vector->data))
+ break;
+ else
+ {
+ pack_i8 ((gfc_array_i8 *) ret, (gfc_array_i8 *) array,
+ (gfc_array_l1 *) mask, (gfc_array_i8 *) vector);
+ }
+
+#ifdef HAVE_GFC_INTEGER_16
+ case GFC_DTYPE_DERIVED_16:
+ if (GFC_UNALIGNED_16(ret->data) || GFC_UNALIGNED_16(array->data)
+ || GFC_UNALIGNED_16(vector->data))
+ break;
+ else
+ {
+ pack_i16 ((gfc_array_i16 *) ret, (gfc_array_i16 *) array,
+ (gfc_array_l1 *) mask, (gfc_array_i16 *) vector);
+ return;
+ }
+#endif
+
+ }
+
+ size = GFC_DESCRIPTOR_SIZE (array);
+ pack_internal (ret, array, mask, vector, size);
}
+
extern void pack_char (gfc_array_char *, GFC_INTEGER_4, const gfc_array_char *,
- const gfc_array_l4 *, const gfc_array_char *,
+ const gfc_array_l1 *, const gfc_array_char *,
GFC_INTEGER_4, GFC_INTEGER_4);
export_proto(pack_char);
void
pack_char (gfc_array_char *ret,
GFC_INTEGER_4 ret_length __attribute__((unused)),
- const gfc_array_char *array, const gfc_array_l4 *mask,
+ const gfc_array_char *array, const gfc_array_l1 *mask,
const gfc_array_char *vector, GFC_INTEGER_4 array_length,
GFC_INTEGER_4 vector_length __attribute__((unused)))
{
pack_internal (ret, array, mask, vector, array_length);
}
+
+extern void pack_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(pack_char4);
+
+void
+pack_char4 (gfc_array_char *ret,
+ GFC_INTEGER_4 ret_length __attribute__((unused)),
+ const gfc_array_char *array, const gfc_array_l1 *mask,
+ const gfc_array_char *vector, GFC_INTEGER_4 array_length,
+ GFC_INTEGER_4 vector_length __attribute__((unused)))
+{
+ pack_internal (ret, array, mask, vector, array_length * sizeof (gfc_char4_t));
+}
+
+
static void
pack_s_internal (gfc_array_char *ret, const gfc_array_char *array,
const GFC_LOGICAL_4 *mask, const gfc_array_char *vector,
index_type dim;
index_type ssize;
index_type nelem;
+ index_type total;
dim = GFC_DESCRIPTOR_RANK (array);
ssize = 1;
{
count[n] = 0;
extent[n] = array->dim[n].ubound + 1 - array->dim[n].lbound;
+ if (extent[n] < 0)
+ extent[n] = 0;
+
sstride[n] = array->dim[n].stride * size;
ssize *= extent[n];
}
sstride[0] = size;
sstride0 = sstride[0];
- sptr = array->data;
+
+ if (ssize != 0)
+ sptr = array->data;
+ else
+ sptr = NULL;
if (ret->data == NULL)
{
/* Allocate the memory for the result. */
- int total;
if (vector != NULL)
{
/* The return array will have as many elements as there are
in vector. */
total = vector->dim[0].ubound + 1 - vector->dim[0].lbound;
+ if (total <= 0)
+ {
+ total = 0;
+ vector = NULL;
+ }
}
else
{
pack_s_internal (ret, array, mask, vector, GFC_DESCRIPTOR_SIZE (array));
}
+
extern void pack_s_char (gfc_array_char *ret, GFC_INTEGER_4,
const gfc_array_char *array, const GFC_LOGICAL_4 *,
const gfc_array_char *, GFC_INTEGER_4,
{
pack_s_internal (ret, array, mask, vector, array_length);
}
+
+
+extern void pack_s_char4 (gfc_array_char *ret, GFC_INTEGER_4,
+ const gfc_array_char *array, const GFC_LOGICAL_4 *,
+ const gfc_array_char *, GFC_INTEGER_4,
+ GFC_INTEGER_4);
+export_proto(pack_s_char4);
+
+void
+pack_s_char4 (gfc_array_char *ret,
+ GFC_INTEGER_4 ret_length __attribute__((unused)),
+ const gfc_array_char *array, const GFC_LOGICAL_4 *mask,
+ const gfc_array_char *vector, GFC_INTEGER_4 array_length,
+ GFC_INTEGER_4 vector_length __attribute__((unused)))
+{
+ pack_s_internal (ret, array, mask, vector,
+ array_length * sizeof (gfc_char4_t));
+}