561 lines
15 KiB
C
561 lines
15 KiB
C
/* Generic implementation of the UNPACK intrinsic
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Copyright 2002, 2003, 2004, 2005, 2007, 2009 Free Software Foundation, Inc.
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Contributed by Paul Brook <paul@nowt.org>
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This file is part of the GNU Fortran 95 runtime library (libgfortran).
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Libgfortran is free software; you can redistribute it and/or
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modify it under the terms of the GNU General Public
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License as published by the Free Software Foundation; either
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version 3 of the License, or (at your option) any later version.
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Ligbfortran is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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Under Section 7 of GPL version 3, you are granted additional
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permissions described in the GCC Runtime Library Exception, version
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3.1, as published by the Free Software Foundation.
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You should have received a copy of the GNU General Public License and
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a copy of the GCC Runtime Library Exception along with this program;
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see the files COPYING3 and COPYING.RUNTIME respectively. If not, see
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<http://www.gnu.org/licenses/>. */
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#include "libgfortran.h"
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#include <stdlib.h>
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#include <assert.h>
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#include <string.h>
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static void
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unpack_internal (gfc_array_char *ret, const gfc_array_char *vector,
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const gfc_array_l1 *mask, const gfc_array_char *field,
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index_type size, index_type fsize)
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{
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/* r.* indicates the return array. */
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index_type rstride[GFC_MAX_DIMENSIONS];
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index_type rstride0;
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index_type rs;
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char * restrict rptr;
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/* v.* indicates the vector array. */
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index_type vstride0;
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char *vptr;
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/* f.* indicates the field array. */
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index_type fstride[GFC_MAX_DIMENSIONS];
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index_type fstride0;
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const char *fptr;
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/* m.* indicates the mask array. */
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index_type mstride[GFC_MAX_DIMENSIONS];
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index_type mstride0;
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const GFC_LOGICAL_1 *mptr;
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index_type count[GFC_MAX_DIMENSIONS];
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index_type extent[GFC_MAX_DIMENSIONS];
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index_type n;
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index_type dim;
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int empty;
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int mask_kind;
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empty = 0;
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mptr = mask->data;
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/* Use the same loop for all logical types, by using GFC_LOGICAL_1
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and using shifting to address size and endian issues. */
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mask_kind = GFC_DESCRIPTOR_SIZE (mask);
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if (mask_kind == 1 || mask_kind == 2 || mask_kind == 4 || mask_kind == 8
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#ifdef HAVE_GFC_LOGICAL_16
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|| mask_kind == 16
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#endif
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)
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{
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/* Don't convert a NULL pointer as we use test for NULL below. */
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if (mptr)
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mptr = GFOR_POINTER_TO_L1 (mptr, mask_kind);
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}
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else
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runtime_error ("Funny sized logical array");
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if (ret->data == NULL)
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{
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/* The front end has signalled that we need to populate the
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return array descriptor. */
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dim = GFC_DESCRIPTOR_RANK (mask);
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rs = 1;
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for (n = 0; n < dim; n++)
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{
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count[n] = 0;
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ret->dim[n].stride = rs;
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ret->dim[n].lbound = 0;
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ret->dim[n].ubound = mask->dim[n].ubound - mask->dim[n].lbound;
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extent[n] = ret->dim[n].ubound + 1;
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empty = empty || extent[n] <= 0;
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rstride[n] = ret->dim[n].stride * size;
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fstride[n] = field->dim[n].stride * fsize;
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mstride[n] = mask->dim[n].stride * mask_kind;
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rs *= extent[n];
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}
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ret->offset = 0;
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ret->data = internal_malloc_size (rs * size);
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}
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else
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{
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dim = GFC_DESCRIPTOR_RANK (ret);
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for (n = 0; n < dim; n++)
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{
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count[n] = 0;
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extent[n] = ret->dim[n].ubound + 1 - ret->dim[n].lbound;
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empty = empty || extent[n] <= 0;
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rstride[n] = ret->dim[n].stride * size;
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fstride[n] = field->dim[n].stride * fsize;
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mstride[n] = mask->dim[n].stride * mask_kind;
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}
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if (rstride[0] == 0)
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rstride[0] = size;
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}
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if (empty)
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return;
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if (fstride[0] == 0)
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fstride[0] = fsize;
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if (mstride[0] == 0)
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mstride[0] = 1;
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vstride0 = vector->dim[0].stride * size;
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if (vstride0 == 0)
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vstride0 = size;
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rstride0 = rstride[0];
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fstride0 = fstride[0];
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mstride0 = mstride[0];
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rptr = ret->data;
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fptr = field->data;
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vptr = vector->data;
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while (rptr)
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{
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if (*mptr)
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{
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/* From vector. */
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memcpy (rptr, vptr, size);
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vptr += vstride0;
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}
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else
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{
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/* From field. */
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memcpy (rptr, fptr, size);
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}
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/* Advance to the next element. */
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rptr += rstride0;
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fptr += fstride0;
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mptr += mstride0;
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count[0]++;
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n = 0;
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while (count[n] == extent[n])
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{
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/* When we get to the end of a dimension, reset it and increment
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the next dimension. */
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count[n] = 0;
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/* We could precalculate these products, but this is a less
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frequently used path so probably not worth it. */
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rptr -= rstride[n] * extent[n];
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fptr -= fstride[n] * extent[n];
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mptr -= mstride[n] * extent[n];
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n++;
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if (n >= dim)
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{
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/* Break out of the loop. */
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rptr = NULL;
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break;
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}
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else
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{
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count[n]++;
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rptr += rstride[n];
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fptr += fstride[n];
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mptr += mstride[n];
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}
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}
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}
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}
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extern void unpack1 (gfc_array_char *, const gfc_array_char *,
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const gfc_array_l1 *, const gfc_array_char *);
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export_proto(unpack1);
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void
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unpack1 (gfc_array_char *ret, const gfc_array_char *vector,
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const gfc_array_l1 *mask, const gfc_array_char *field)
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{
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index_type type_size;
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index_type size;
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type_size = GFC_DTYPE_TYPE_SIZE (vector);
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size = GFC_DESCRIPTOR_SIZE (vector);
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switch(type_size)
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{
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case GFC_DTYPE_LOGICAL_1:
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case GFC_DTYPE_INTEGER_1:
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case GFC_DTYPE_DERIVED_1:
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unpack1_i1 ((gfc_array_i1 *) ret, (gfc_array_i1 *) vector,
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mask, (gfc_array_i1 *) field);
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return;
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case GFC_DTYPE_LOGICAL_2:
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case GFC_DTYPE_INTEGER_2:
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unpack1_i2 ((gfc_array_i2 *) ret, (gfc_array_i2 *) vector,
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mask, (gfc_array_i2 *) field);
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return;
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case GFC_DTYPE_LOGICAL_4:
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case GFC_DTYPE_INTEGER_4:
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unpack1_i4 ((gfc_array_i4 *) ret, (gfc_array_i4 *) vector,
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mask, (gfc_array_i4 *) field);
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return;
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case GFC_DTYPE_LOGICAL_8:
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case GFC_DTYPE_INTEGER_8:
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unpack1_i8 ((gfc_array_i8 *) ret, (gfc_array_i8 *) vector,
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mask, (gfc_array_i8 *) field);
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return;
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#ifdef HAVE_GFC_INTEGER_16
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case GFC_DTYPE_LOGICAL_16:
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case GFC_DTYPE_INTEGER_16:
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unpack1_i16 ((gfc_array_i16 *) ret, (gfc_array_i16 *) vector,
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mask, (gfc_array_i16 *) field);
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return;
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#endif
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case GFC_DTYPE_REAL_4:
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unpack1_r4 ((gfc_array_r4 *) ret, (gfc_array_r4 *) vector,
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mask, (gfc_array_r4 *) field);
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return;
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case GFC_DTYPE_REAL_8:
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unpack1_r8 ((gfc_array_r8 *) ret, (gfc_array_r8 *) vector,
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mask, (gfc_array_r8 *) field);
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return;
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#ifdef HAVE_GFC_REAL_10
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case GFC_DTYPE_REAL_10:
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unpack1_r10 ((gfc_array_r10 *) ret, (gfc_array_r10 *) vector,
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mask, (gfc_array_r10 *) field);
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return;
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#endif
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#ifdef HAVE_GFC_REAL_16
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case GFC_DTYPE_REAL_16:
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unpack1_r16 ((gfc_array_r16 *) ret, (gfc_array_r16 *) vector,
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mask, (gfc_array_r16 *) field);
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return;
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#endif
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case GFC_DTYPE_COMPLEX_4:
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unpack1_c4 ((gfc_array_c4 *) ret, (gfc_array_c4 *) vector,
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mask, (gfc_array_c4 *) field);
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return;
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case GFC_DTYPE_COMPLEX_8:
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unpack1_c8 ((gfc_array_c8 *) ret, (gfc_array_c8 *) vector,
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mask, (gfc_array_c8 *) field);
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return;
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#ifdef HAVE_GFC_COMPLEX_10
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case GFC_DTYPE_COMPLEX_10:
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unpack1_c10 ((gfc_array_c10 *) ret, (gfc_array_c10 *) vector,
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mask, (gfc_array_c10 *) field);
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return;
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#endif
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#ifdef HAVE_GFC_COMPLEX_16
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case GFC_DTYPE_COMPLEX_16:
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unpack1_c16 ((gfc_array_c16 *) ret, (gfc_array_c16 *) vector,
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mask, (gfc_array_c16 *) field);
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return;
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#endif
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case GFC_DTYPE_DERIVED_2:
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if (GFC_UNALIGNED_2(ret->data) || GFC_UNALIGNED_2(vector->data)
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|| GFC_UNALIGNED_2(field->data))
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break;
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else
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{
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unpack1_i2 ((gfc_array_i2 *) ret, (gfc_array_i2 *) vector,
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mask, (gfc_array_i2 *) field);
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return;
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}
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case GFC_DTYPE_DERIVED_4:
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if (GFC_UNALIGNED_4(ret->data) || GFC_UNALIGNED_4(vector->data)
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|| GFC_UNALIGNED_4(field->data))
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break;
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else
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{
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unpack1_i4 ((gfc_array_i4 *) ret, (gfc_array_i4 *) vector,
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mask, (gfc_array_i4 *) field);
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return;
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}
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case GFC_DTYPE_DERIVED_8:
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if (GFC_UNALIGNED_8(ret->data) || GFC_UNALIGNED_8(vector->data)
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|| GFC_UNALIGNED_8(field->data))
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break;
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else
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{
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unpack1_i8 ((gfc_array_i8 *) ret, (gfc_array_i8 *) vector,
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mask, (gfc_array_i8 *) field);
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return;
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}
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#ifdef HAVE_GFC_INTEGER_16
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case GFC_DTYPE_DERIVED_16:
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if (GFC_UNALIGNED_16(ret->data) || GFC_UNALIGNED_16(vector->data)
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|| GFC_UNALIGNED_16(field->data))
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break;
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else
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{
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unpack1_i16 ((gfc_array_i16 *) ret, (gfc_array_i16 *) vector,
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mask, (gfc_array_i16 *) field);
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return;
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}
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#endif
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}
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unpack_internal (ret, vector, mask, field, size,
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GFC_DESCRIPTOR_SIZE (field));
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}
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extern void unpack1_char (gfc_array_char *, GFC_INTEGER_4,
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const gfc_array_char *, const gfc_array_l1 *,
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const gfc_array_char *, GFC_INTEGER_4,
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GFC_INTEGER_4);
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export_proto(unpack1_char);
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void
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unpack1_char (gfc_array_char *ret,
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GFC_INTEGER_4 ret_length __attribute__((unused)),
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const gfc_array_char *vector, const gfc_array_l1 *mask,
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const gfc_array_char *field, GFC_INTEGER_4 vector_length,
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GFC_INTEGER_4 field_length)
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{
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unpack_internal (ret, vector, mask, field, vector_length, field_length);
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}
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extern void unpack1_char4 (gfc_array_char *, GFC_INTEGER_4,
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const gfc_array_char *, const gfc_array_l1 *,
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const gfc_array_char *, GFC_INTEGER_4,
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GFC_INTEGER_4);
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export_proto(unpack1_char4);
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void
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unpack1_char4 (gfc_array_char *ret,
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GFC_INTEGER_4 ret_length __attribute__((unused)),
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const gfc_array_char *vector, const gfc_array_l1 *mask,
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const gfc_array_char *field, GFC_INTEGER_4 vector_length,
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GFC_INTEGER_4 field_length)
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{
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unpack_internal (ret, vector, mask, field,
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vector_length * sizeof (gfc_char4_t),
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field_length * sizeof (gfc_char4_t));
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}
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extern void unpack0 (gfc_array_char *, const gfc_array_char *,
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const gfc_array_l1 *, char *);
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export_proto(unpack0);
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void
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unpack0 (gfc_array_char *ret, const gfc_array_char *vector,
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const gfc_array_l1 *mask, char *field)
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{
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gfc_array_char tmp;
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index_type type_size;
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index_type size;
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type_size = GFC_DTYPE_TYPE_SIZE (vector);
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size = GFC_DESCRIPTOR_SIZE (vector);
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switch(type_size)
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{
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case GFC_DTYPE_LOGICAL_1:
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case GFC_DTYPE_INTEGER_1:
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case GFC_DTYPE_DERIVED_1:
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unpack0_i1 ((gfc_array_i1 *) ret, (gfc_array_i1 *) vector,
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mask, (GFC_INTEGER_1 *) field);
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return;
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case GFC_DTYPE_LOGICAL_2:
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case GFC_DTYPE_INTEGER_2:
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unpack0_i2 ((gfc_array_i2 *) ret, (gfc_array_i2 *) vector,
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mask, (GFC_INTEGER_2 *) field);
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return;
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case GFC_DTYPE_LOGICAL_4:
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case GFC_DTYPE_INTEGER_4:
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unpack0_i4 ((gfc_array_i4 *) ret, (gfc_array_i4 *) vector,
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mask, (GFC_INTEGER_4 *) field);
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return;
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case GFC_DTYPE_LOGICAL_8:
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case GFC_DTYPE_INTEGER_8:
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unpack0_i8 ((gfc_array_i8 *) ret, (gfc_array_i8 *) vector,
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mask, (GFC_INTEGER_8 *) field);
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return;
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#ifdef HAVE_GFC_INTEGER_16
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case GFC_DTYPE_LOGICAL_16:
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case GFC_DTYPE_INTEGER_16:
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unpack0_i16 ((gfc_array_i16 *) ret, (gfc_array_i16 *) vector,
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mask, (GFC_INTEGER_16 *) field);
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return;
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#endif
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case GFC_DTYPE_REAL_4:
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unpack0_r4 ((gfc_array_r4 *) ret, (gfc_array_r4 *) vector,
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mask, (GFC_REAL_4 *) field);
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return;
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case GFC_DTYPE_REAL_8:
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unpack0_r8 ((gfc_array_r8 *) ret, (gfc_array_r8*) vector,
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mask, (GFC_REAL_8 *) field);
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return;
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#ifdef HAVE_GFC_REAL_10
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case GFC_DTYPE_REAL_10:
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unpack0_r10 ((gfc_array_r10 *) ret, (gfc_array_r10 *) vector,
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mask, (GFC_REAL_10 *) field);
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return;
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#endif
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#ifdef HAVE_GFC_REAL_16
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case GFC_DTYPE_REAL_16:
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unpack0_r16 ((gfc_array_r16 *) ret, (gfc_array_r16 *) vector,
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mask, (GFC_REAL_16 *) field);
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return;
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#endif
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case GFC_DTYPE_COMPLEX_4:
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unpack0_c4 ((gfc_array_c4 *) ret, (gfc_array_c4 *) vector,
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mask, (GFC_COMPLEX_4 *) field);
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return;
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case GFC_DTYPE_COMPLEX_8:
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unpack0_c8 ((gfc_array_c8 *) ret, (gfc_array_c8 *) vector,
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mask, (GFC_COMPLEX_8 *) field);
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return;
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#ifdef HAVE_GFC_COMPLEX_10
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case GFC_DTYPE_COMPLEX_10:
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unpack0_c10 ((gfc_array_c10 *) ret, (gfc_array_c10 *) vector,
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mask, (GFC_COMPLEX_10 *) field);
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return;
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#endif
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#ifdef HAVE_GFC_COMPLEX_16
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case GFC_DTYPE_COMPLEX_16:
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unpack0_c16 ((gfc_array_c16 *) ret, (gfc_array_c16 *) vector,
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mask, (GFC_COMPLEX_16 *) field);
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return;
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#endif
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case GFC_DTYPE_DERIVED_2:
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if (GFC_UNALIGNED_2(ret->data) || GFC_UNALIGNED_2(vector->data)
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|| GFC_UNALIGNED_2(field))
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break;
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else
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{
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unpack0_i2 ((gfc_array_i2 *) ret, (gfc_array_i2 *) vector,
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mask, (GFC_INTEGER_2 *) field);
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return;
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}
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case GFC_DTYPE_DERIVED_4:
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if (GFC_UNALIGNED_4(ret->data) || GFC_UNALIGNED_4(vector->data)
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|| GFC_UNALIGNED_4(field))
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break;
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else
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{
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unpack0_i4 ((gfc_array_i4 *) ret, (gfc_array_i4 *) vector,
|
|
mask, (GFC_INTEGER_4 *) field);
|
|
return;
|
|
}
|
|
|
|
case GFC_DTYPE_DERIVED_8:
|
|
if (GFC_UNALIGNED_8(ret->data) || GFC_UNALIGNED_8(vector->data)
|
|
|| GFC_UNALIGNED_8(field))
|
|
break;
|
|
else
|
|
{
|
|
unpack0_i8 ((gfc_array_i8 *) ret, (gfc_array_i8 *) vector,
|
|
mask, (GFC_INTEGER_8 *) field);
|
|
return;
|
|
}
|
|
#ifdef HAVE_GFC_INTEGER_16
|
|
case GFC_DTYPE_DERIVED_16:
|
|
if (GFC_UNALIGNED_16(ret->data) || GFC_UNALIGNED_16(vector->data)
|
|
|| GFC_UNALIGNED_16(field))
|
|
break;
|
|
else
|
|
{
|
|
unpack0_i16 ((gfc_array_i16 *) ret, (gfc_array_i16 *) vector,
|
|
mask, (GFC_INTEGER_16 *) field);
|
|
return;
|
|
}
|
|
#endif
|
|
}
|
|
|
|
memset (&tmp, 0, sizeof (tmp));
|
|
tmp.dtype = 0;
|
|
tmp.data = field;
|
|
unpack_internal (ret, vector, mask, &tmp, GFC_DESCRIPTOR_SIZE (vector), 0);
|
|
}
|
|
|
|
|
|
extern void unpack0_char (gfc_array_char *, GFC_INTEGER_4,
|
|
const gfc_array_char *, const gfc_array_l1 *,
|
|
char *, GFC_INTEGER_4, GFC_INTEGER_4);
|
|
export_proto(unpack0_char);
|
|
|
|
void
|
|
unpack0_char (gfc_array_char *ret,
|
|
GFC_INTEGER_4 ret_length __attribute__((unused)),
|
|
const gfc_array_char *vector, const gfc_array_l1 *mask,
|
|
char *field, GFC_INTEGER_4 vector_length,
|
|
GFC_INTEGER_4 field_length __attribute__((unused)))
|
|
{
|
|
gfc_array_char tmp;
|
|
|
|
memset (&tmp, 0, sizeof (tmp));
|
|
tmp.dtype = 0;
|
|
tmp.data = field;
|
|
unpack_internal (ret, vector, mask, &tmp, vector_length, 0);
|
|
}
|
|
|
|
|
|
extern void unpack0_char4 (gfc_array_char *, GFC_INTEGER_4,
|
|
const gfc_array_char *, const gfc_array_l1 *,
|
|
char *, GFC_INTEGER_4, GFC_INTEGER_4);
|
|
export_proto(unpack0_char4);
|
|
|
|
void
|
|
unpack0_char4 (gfc_array_char *ret,
|
|
GFC_INTEGER_4 ret_length __attribute__((unused)),
|
|
const gfc_array_char *vector, const gfc_array_l1 *mask,
|
|
char *field, GFC_INTEGER_4 vector_length,
|
|
GFC_INTEGER_4 field_length __attribute__((unused)))
|
|
{
|
|
gfc_array_char tmp;
|
|
|
|
memset (&tmp, 0, sizeof (tmp));
|
|
tmp.dtype = 0;
|
|
tmp.data = field;
|
|
unpack_internal (ret, vector, mask, &tmp,
|
|
vector_length * sizeof (gfc_char4_t), 0);
|
|
}
|