/* Implementation of the EOSHIFT intrinsic
- Copyright 2002, 2005, 2007 Free Software Foundation, Inc.
+ Copyright 2002, 2005, 2007, 2009 Free Software Foundation, Inc.
Contributed by Paul Brook <paul@nowt.org>
This file is part of the GNU Fortran 95 runtime library (libgfortran).
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 of the License, or (at your option) any later version.
-
-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.)
+version 3 of the License, or (at your option) any later version.
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 General Public License for more details.
-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. */
+Under Section 7 of GPL version 3, you are granted additional
+permissions described in the GCC Runtime Library Exception, version
+3.1, as published by the Free Software Foundation.
+
+You should have received a copy of the GNU General Public License and
+a copy of the GCC Runtime Library Exception along with this program;
+see the files COPYING3 and COPYING.RUNTIME respectively. If not, see
+<http://www.gnu.org/licenses/>. */
#include "libgfortran.h"
#include <stdlib.h>
const gfc_array_i16 * const restrict h,
const char * const restrict pbound,
const GFC_INTEGER_16 * const restrict pwhich,
- index_type size, char filler)
+ const char * filler, index_type filler_len)
{
/* r.* indicates the return array. */
index_type rstride[GFC_MAX_DIMENSIONS];
index_type rstride0;
index_type roffset;
char *rptr;
- char *dest;
+ char * restrict dest;
/* s.* indicates the source array. */
index_type sstride[GFC_MAX_DIMENSIONS];
index_type sstride0;
index_type dim;
index_type len;
index_type n;
+ index_type size;
+ index_type arraysize;
int which;
GFC_INTEGER_16 sh;
GFC_INTEGER_16 delta;
soffset = 0;
roffset = 0;
+ size = GFC_DESCRIPTOR_SIZE(array);
+
if (pwhich)
which = *pwhich - 1;
else
extent[0] = 1;
count[0] = 0;
+ arraysize = size0 ((array_t *) array);
if (ret->data == NULL)
{
int i;
- ret->data = internal_malloc_size (size * size0 ((array_t *)array));
+ ret->data = internal_malloc_size (size * arraysize);
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;
+ index_type ub, str;
+
+ ub = GFC_DESCRIPTOR_EXTENT(array,i) - 1;
if (i == 0)
- ret->dim[i].stride = 1;
+ str = 1;
else
- ret->dim[i].stride = (ret->dim[i-1].ubound + 1) * ret->dim[i-1].stride;
+ str = GFC_DESCRIPTOR_EXTENT(ret,i-1)
+ * GFC_DESCRIPTOR_STRIDE(ret,i-1);
+
+ GFC_DIMENSION_SET(ret->dim[i], 0, ub, str);
+
}
+ if (arraysize > 0)
+ ret->data = internal_malloc_size (size * arraysize);
+ else
+ ret->data = internal_malloc_size (1);
+
+ }
+ else if (unlikely (compile_options.bounds_check))
+ {
+ bounds_equal_extents ((array_t *) ret, (array_t *) array,
+ "return value", "EOSHIFT");
}
+ if (unlikely (compile_options.bounds_check))
+ {
+ bounds_reduced_extents ((array_t *) h, (array_t *) array, which,
+ "SHIFT argument", "EOSHIFT");
+ }
+
+ if (arraysize == 0)
+ return;
+
n = 0;
for (dim = 0; dim < GFC_DESCRIPTOR_RANK (array); dim++)
{
if (dim == which)
{
- roffset = ret->dim[dim].stride * size;
+ roffset = GFC_DESCRIPTOR_STRIDE_BYTES(ret,dim);
if (roffset == 0)
roffset = size;
- soffset = array->dim[dim].stride * size;
+ soffset = GFC_DESCRIPTOR_STRIDE_BYTES(array,dim);
if (soffset == 0)
soffset = size;
- len = array->dim[dim].ubound + 1 - array->dim[dim].lbound;
+ len = GFC_DESCRIPTOR_EXTENT(array,dim);
}
else
{
count[n] = 0;
- extent[n] = array->dim[dim].ubound + 1 - array->dim[dim].lbound;
- rstride[n] = ret->dim[dim].stride * size;
- sstride[n] = array->dim[dim].stride * size;
+ extent[n] = GFC_DESCRIPTOR_EXTENT(array,dim);
+ rstride[n] = GFC_DESCRIPTOR_STRIDE_BYTES(ret,dim);
+ sstride[n] = GFC_DESCRIPTOR_STRIDE_BYTES(array,dim);
- hstride[n] = h->dim[n].stride;
+ hstride[n] = GFC_DESCRIPTOR_STRIDE(h,n);
n++;
}
}
else
while (n--)
{
- memset (dest, filler, size);
+ index_type i;
+
+ if (filler_len == 1)
+ memset (dest, filler[0], size);
+ else
+ for (i = 0; i < size; i += filler_len)
+ memcpy (&dest[i], filler, filler_len);
+
dest += roffset;
}
const char * const restrict pbound,
const GFC_INTEGER_16 * const restrict pwhich)
{
- eoshift1 (ret, array, h, pbound, pwhich, GFC_DESCRIPTOR_SIZE (array), 0);
+ eoshift1 (ret, array, h, pbound, pwhich, "\0", 1);
}
+
void eoshift1_16_char (gfc_array_char * const restrict,
GFC_INTEGER_4,
const gfc_array_char * const restrict,
const gfc_array_i16 * const restrict h,
const char * const restrict pbound,
const GFC_INTEGER_16 * const restrict pwhich,
- GFC_INTEGER_4 array_length,
+ GFC_INTEGER_4 array_length __attribute__((unused)),
+ GFC_INTEGER_4 bound_length __attribute__((unused)))
+{
+ eoshift1 (ret, array, h, pbound, pwhich, " ", 1);
+}
+
+
+void eoshift1_16_char4 (gfc_array_char * const restrict,
+ GFC_INTEGER_4,
+ const gfc_array_char * const restrict,
+ const gfc_array_i16 * const restrict,
+ const char * const restrict,
+ const GFC_INTEGER_16 * const restrict,
+ GFC_INTEGER_4, GFC_INTEGER_4);
+export_proto(eoshift1_16_char4);
+
+void
+eoshift1_16_char4 (gfc_array_char * const restrict ret,
+ GFC_INTEGER_4 ret_length __attribute__((unused)),
+ const gfc_array_char * const restrict array,
+ const gfc_array_i16 * const restrict h,
+ const char * const restrict pbound,
+ const GFC_INTEGER_16 * const restrict pwhich,
+ GFC_INTEGER_4 array_length __attribute__((unused)),
GFC_INTEGER_4 bound_length __attribute__((unused)))
{
- eoshift1 (ret, array, h, pbound, pwhich, array_length, ' ');
+ static const gfc_char4_t space = (unsigned char) ' ';
+ eoshift1 (ret, array, h, pbound, pwhich,
+ (const char *) &space, sizeof (gfc_char4_t));
}
#endif
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