`/* Implementation of the EOSHIFT intrinsic
- Copyright 2002, 2005 Free Software Foundation, Inc.
+ Copyright 2002, 2005, 2007 Free Software Foundation, Inc.
Contributed by Paul Brook <paul@nowt.org>
This file is part of the GNU Fortran 95 runtime library (libgfortran).
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., 59 Temple Place - Suite 330,
-Boston, MA 02111-1307, USA. */
+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"'
-include(iparm.m4)dnl
+#include <string.h>'
-static const char zeros[16] =
- {0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0};
+include(iparm.m4)dnl
-extern void eoshift1_`'atype_kind (const gfc_array_char *,
- const gfc_array_char *,
- const atype *, const char *,
- const atype_name *);
-export_proto(eoshift1_`'atype_kind);
+`#if defined (HAVE_'atype_name`)
-void
-eoshift1_`'atype_kind (const gfc_array_char *ret,
- const gfc_array_char *array,
- const atype *h, const char *pbound,
- const atype_name *pwhich)
+static void
+eoshift1 (gfc_array_char * const restrict ret,
+ const gfc_array_char * const restrict array,
+ const 'atype` * const restrict h,
+ const char * const restrict pbound,
+ const 'atype_name` * const restrict pwhich,
+ index_type size, char filler)
{
/* r.* indicates the return array. */
index_type rstride[GFC_MAX_DIMENSIONS];
index_type soffset;
const char *sptr;
const char *src;
-` /* h.* indicates the shift array. */'
+ /* h.* indicates the shift array. */
index_type hstride[GFC_MAX_DIMENSIONS];
index_type hstride0;
- const atype_name *hptr;
+ const 'atype_name` *hptr;
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;
+ 'atype_name` sh;
+ 'atype_name` delta;
/* The compiler cannot figure out that these are set, initialize
them to avoid warnings. */
else
which = 0;
- if (!pbound)
- pbound = zeros;
-
- size = GFC_DESCRIPTOR_SIZE (ret);
-
extent[0] = 1;
count[0] = 0;
- size = GFC_DESCRIPTOR_SIZE (array);
+
+ 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;
+ }
+ }
+
n = 0;
for (dim = 0; dim < GFC_DESCRIPTOR_RANK (array); dim++)
{
while (rptr)
{
-` /* Do the shift for this dimension. */'
+ /* 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, pbound, size);
- dest += roffset;
- }
+ if (pbound)
+ while (n--)
+ {
+ memcpy (dest, pbound, size);
+ dest += roffset;
+ }
+ else
+ while (n--)
+ {
+ memset (dest, filler, size);
+ dest += roffset;
+ }
/* Advance to the next section. */
rptr += rstride0;
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];
sptr -= sstride[n] * extent[n];
hptr -= hstride[n] * extent[n];
}
}
}
+
+void eoshift1_'atype_kind` (gfc_array_char * const restrict,
+ const gfc_array_char * const restrict,
+ const 'atype` * const restrict, const char * const restrict,
+ const 'atype_name` * const restrict);
+export_proto(eoshift1_'atype_kind`);
+
+void
+eoshift1_'atype_kind` (gfc_array_char * const restrict ret,
+ const gfc_array_char * const restrict array,
+ const 'atype` * const restrict h,
+ const char * const restrict pbound,
+ const 'atype_name` * const restrict pwhich)
+{
+ eoshift1 (ret, array, h, pbound, pwhich, GFC_DESCRIPTOR_SIZE (array), 0);
+}
+
+void eoshift1_'atype_kind`_char (gfc_array_char * const restrict,
+ GFC_INTEGER_4,
+ const gfc_array_char * const restrict,
+ const 'atype` * const restrict,
+ const char * const restrict,
+ const 'atype_name` * const restrict,
+ GFC_INTEGER_4, GFC_INTEGER_4);
+export_proto(eoshift1_'atype_kind`_char);
+
+void
+eoshift1_'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 char * const restrict pbound,
+ const 'atype_name` * const restrict pwhich,
+ GFC_INTEGER_4 array_length,
+ GFC_INTEGER_4 bound_length __attribute__((unused)))
+{
+ eoshift1 (ret, array, h, pbound, pwhich, array_length, ''` ''`);
+}
+
+#endif'
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