/* Implementation of the EOSHIFT intrinsic
- Copyright 2002, 2005, 2007, 2009 Free Software Foundation, Inc.
+ Copyright (C) 2002-2015 Free Software Foundation, Inc.
Contributed by Paul Brook <paul@nowt.org>
-This file is part of the GNU Fortran 95 runtime library (libgfortran).
+This file is part of the GNU Fortran runtime library (libgfortran).
Libgfortran is free software; you can redistribute it and/or
modify it under the terms of the GNU General Public
index_type len;
index_type n;
index_type size;
+ index_type arraysize;
int which;
GFC_INTEGER_8 sh;
GFC_INTEGER_8 delta;
extent[0] = 1;
count[0] = 0;
- if (ret->data == NULL)
+ arraysize = size0 ((array_t *) array);
+ if (ret->base_addr == 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++)
GFC_DIMENSION_SET(ret->dim[i], 0, ub, str);
}
+ /* xmallocarray allocates a single byte for zero size. */
+ ret->base_addr = xmallocarray (arraysize, size);
+
}
- else
+ 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))
{
- if (size0 ((array_t *) ret) == 0)
- return;
+ 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++)
{
rstride0 = rstride[0];
sstride0 = sstride[0];
hstride0 = hstride[0];
- rptr = ret->data;
- sptr = array->data;
- hptr = h->data;
+ rptr = ret->base_addr;
+ sptr = array->base_addr;
+ hptr = h->base_addr;
while (rptr)
{