`/* Implementation of the EOSHIFT intrinsic
- Copyright 2002 Free Software Foundation, Inc.
+ Copyright 2002, 2005 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.)
+
+Libgfortran 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 <stdlib.h>
#include "libgfortran.h"'
include(iparm.m4)dnl
-static const char zeros[16] =
- {0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0};
-
-extern void eoshift3_`'atype_kind (gfc_array_char *, gfc_array_char *,
- atype *, const gfc_array_char *,
- atype_name *);
-export_proto(eoshift3_`'atype_kind);
+`#if defined (HAVE_'atype_name`)'
-void
-eoshift3_`'atype_kind (gfc_array_char *ret, gfc_array_char *array,
- atype *h, const gfc_array_char *bound,
- atype_name *pwhich)
+static void
+eoshift3 (gfc_array_char * const restrict ret,
+ const gfc_array_char * const restrict array,
+ const atype * const restrict h,
+ const gfc_array_char * const restrict bound,
+ const atype_name * const restrict pwhich,
+ index_type size, char filler)
{
/* r.* indicates the return array. */
- index_type rstride[GFC_MAX_DIMENSIONS - 1];
+ index_type rstride[GFC_MAX_DIMENSIONS];
index_type rstride0;
index_type roffset;
char *rptr;
char *dest;
/* s.* indicates the source array. */
- index_type sstride[GFC_MAX_DIMENSIONS - 1];
+ index_type sstride[GFC_MAX_DIMENSIONS];
index_type sstride0;
index_type soffset;
const char *sptr;
const char *src;
` /* h.* indicates the shift array. */'
- index_type hstride[GFC_MAX_DIMENSIONS - 1];
+ index_type hstride[GFC_MAX_DIMENSIONS];
index_type hstride0;
const atype_name *hptr;
/* b.* indicates the bound array. */
- index_type bstride[GFC_MAX_DIMENSIONS - 1];
+ index_type bstride[GFC_MAX_DIMENSIONS];
index_type bstride0;
const char *bptr;
- index_type count[GFC_MAX_DIMENSIONS - 1];
- index_type extent[GFC_MAX_DIMENSIONS - 1];
+ index_type count[GFC_MAX_DIMENSIONS];
+ index_type extent[GFC_MAX_DIMENSIONS];
index_type dim;
- index_type size;
index_type len;
index_type n;
int which;
atype_name sh;
atype_name delta;
+ /* The compiler cannot figure out that these are set, initialize
+ them to avoid warnings. */
+ len = 0;
+ soffset = 0;
+ roffset = 0;
+
if (pwhich)
which = *pwhich - 1;
else
which = 0;
- size = GFC_DESCRIPTOR_SIZE (ret);
+ if (ret->data == NULL)
+ {
+ int i;
+
+ ret->data = internal_malloc_size (size * size0 ((array_t *)array));
+ ret->offset = 0;
+ ret->dtype = array->dtype;
+ for (i = 0; i < GFC_DESCRIPTOR_RANK (array); i++)
+ {
+ ret->dim[i].lbound = 0;
+ ret->dim[i].ubound = array->dim[i].ubound - array->dim[i].lbound;
+
+ if (i == 0)
+ ret->dim[i].stride = 1;
+ else
+ ret->dim[i].stride = (ret->dim[i-1].ubound + 1) * ret->dim[i-1].stride;
+ }
+ }
+
extent[0] = 1;
count[0] = 0;
- size = GFC_DESCRIPTOR_SIZE (array);
n = 0;
for (dim = 0; dim < GFC_DESCRIPTOR_RANK (array); dim++)
{
hstride[n] = h->dim[n].stride;
if (bound)
- bstride[n] = bound->dim[n].stride;
+ bstride[n] = bound->dim[n].stride * size;
else
bstride[n] = 0;
n++;
if (bound)
bptr = bound->data;
else
- bptr = zeros;
+ bptr = NULL;
while (rptr)
{
` /* Do the shift for this dimension. */'
sh = *hptr;
- delta = (sh >= 0) ? sh: -sh;
+ if (( sh >= 0 ? sh : -sh ) > len)
+ {
+ delta = len;
+ sh = len;
+ }
+ else
+ delta = (sh >= 0) ? sh: -sh;
+
if (sh > 0)
{
src = &sptr[delta * soffset];
dest = rptr;
n = delta;
- while (n--)
- {
- memcpy (dest, bptr, size);
- dest += roffset;
- }
+ if (bptr)
+ while (n--)
+ {
+ memcpy (dest, bptr, size);
+ dest += roffset;
+ }
+ else
+ while (n--)
+ {
+ memset (dest, filler, size);
+ dest += roffset;
+ }
/* Advance to the next section. */
rptr += rstride0;
}
}
}
+
+extern void eoshift3_`'atype_kind (gfc_array_char * const restrict,
+ const gfc_array_char * const restrict,
+ const atype * const restrict,
+ const gfc_array_char * const restrict,
+ const atype_name *);
+export_proto(eoshift3_`'atype_kind);
+
+void
+eoshift3_`'atype_kind (gfc_array_char * const restrict ret,
+ const gfc_array_char * const restrict array,
+ const atype * const restrict h,
+ const gfc_array_char * const restrict bound,
+ const atype_name * const restrict pwhich)
+{
+ eoshift3 (ret, array, h, bound, pwhich, GFC_DESCRIPTOR_SIZE (array), 0);
+}
+
+extern void eoshift3_`'atype_kind`'_char (gfc_array_char * const restrict,
+ GFC_INTEGER_4,
+ const gfc_array_char * const restrict,
+ const atype * const restrict,
+ const gfc_array_char * const restrict,
+ const atype_name * const restrict,
+ GFC_INTEGER_4, GFC_INTEGER_4);
+export_proto(eoshift3_`'atype_kind`'_char);
+
+void
+eoshift3_`'atype_kind`'_char (gfc_array_char * const restrict ret,
+ GFC_INTEGER_4 ret_length __attribute__((unused)),
+ const gfc_array_char * const restrict array,
+ const atype * const restrict h,
+ const gfc_array_char * const restrict bound,
+ const atype_name * const restrict pwhich,
+ GFC_INTEGER_4 array_length,
+ GFC_INTEGER_4 bound_length __attribute__((unused)))
+{
+ eoshift3 (ret, array, h, bound, pwhich, array_length, ' ');
+}
+
+#endif
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