b6019ab18c
2018-01-30 Thomas Koenig <tkoenig@gcc.gnu.org> PR fortran/37577 * libgfortran.h: Remove GFC_DTYPE_DERIVED_1, GFC_DTYPE_DERIVED_2, GFC_DTYPE_DERIVED_4, GFC_DTYPE_DERIVED_8 and GFC_DTYPE_DERIVED_16. * m4/cshift1.m4: Remove GFC_DTYPE_DERIVED_1. * generated/cshift1_16.c: Regenerated. * generated/cshift1_4.c: Regenerated. * generated/cshift1_8.c: Regenerated. * intrinsics/cshift0.c: Remove GFC_DTYPE_DERIVED_1. * intrinsics/pack_generic.c (pack): Move handling of other types into separate switch statement. * intrinsics/spread_generic.c (spread): Likewise. (spread_scalar): Likewise. * intrinsics/unpack_generic.c (unpack1): Likewise. (unpack0): Likewise. * runtime/in_pack_generic.c (internal_pack): Likewise. * runtime/in_unpack_generic.c (internal_unpack): Likewise. From-SVN: r257195
651 lines
18 KiB
C
651 lines
18 KiB
C
/* Generic implementation of the PACK intrinsic
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Copyright (C) 2002-2018 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 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 <string.h>
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/* PACK is specified as follows:
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13.14.80 PACK (ARRAY, MASK, [VECTOR])
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Description: Pack an array into an array of rank one under the
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control of a mask.
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Class: Transformational function.
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Arguments:
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ARRAY may be of any type. It shall not be scalar.
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MASK shall be of type LOGICAL. It shall be conformable with ARRAY.
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VECTOR (optional) shall be of the same type and type parameters
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as ARRAY. VECTOR shall have at least as many elements as
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there are true elements in MASK. If MASK is a scalar
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with the value true, VECTOR shall have at least as many
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elements as there are in ARRAY.
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Result Characteristics: The result is an array of rank one with the
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same type and type parameters as ARRAY. If VECTOR is present, the
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result size is that of VECTOR; otherwise, the result size is the
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number /t/ of true elements in MASK unless MASK is scalar with the
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value true, in which case the result size is the size of ARRAY.
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Result Value: Element /i/ of the result is the element of ARRAY
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that corresponds to the /i/th true element of MASK, taking elements
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in array element order, for /i/ = 1, 2, ..., /t/. If VECTOR is
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present and has size /n/ > /t/, element /i/ of the result has the
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value VECTOR(/i/), for /i/ = /t/ + 1, ..., /n/.
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Examples: The nonzero elements of an array M with the value
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| 0 0 0 |
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| 9 0 0 | may be "gathered" by the function PACK. The result of
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| 0 0 7 |
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PACK (M, MASK = M.NE.0) is [9,7] and the result of PACK (M, M.NE.0,
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VECTOR = (/ 2,4,6,8,10,12 /)) is [9,7,6,8,10,12].
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There are two variants of the PACK intrinsic: one, where MASK is
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array valued, and the other one where MASK is scalar. */
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static void
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pack_internal (gfc_array_char *ret, const gfc_array_char *array,
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const gfc_array_l1 *mask, const gfc_array_char *vector,
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index_type size)
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{
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/* r.* indicates the return array. */
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index_type rstride0;
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char * restrict rptr;
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/* s.* indicates the source array. */
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index_type sstride[GFC_MAX_DIMENSIONS];
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index_type sstride0;
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const char *sptr;
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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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index_type nelem;
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index_type total;
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int mask_kind;
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dim = GFC_DESCRIPTOR_RANK (array);
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sptr = array->base_addr;
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mptr = mask->base_addr;
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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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for (n = 0; n < dim; n++)
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{
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count[n] = 0;
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extent[n] = GFC_DESCRIPTOR_EXTENT(array,n);
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sstride[n] = GFC_DESCRIPTOR_STRIDE_BYTES(array,n);
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mstride[n] = GFC_DESCRIPTOR_STRIDE_BYTES(mask,n);
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}
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if (sstride[0] == 0)
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sstride[0] = size;
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if (mstride[0] == 0)
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mstride[0] = mask_kind;
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if (ret->base_addr == NULL || unlikely (compile_options.bounds_check))
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{
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/* Count the elements, either for allocating memory or
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for bounds checking. */
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if (vector != NULL)
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{
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/* The return array will have as many
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elements as there are in VECTOR. */
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total = GFC_DESCRIPTOR_EXTENT(vector,0);
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}
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else
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{
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/* We have to count the true elements in MASK. */
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total = count_0 (mask);
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}
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if (ret->base_addr == NULL)
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{
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/* Setup the array descriptor. */
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GFC_DIMENSION_SET(ret->dim[0], 0, total-1, 1);
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ret->offset = 0;
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/* xmallocarray allocates a single byte for zero size. */
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ret->base_addr = xmallocarray (total, size);
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if (total == 0)
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return; /* In this case, nothing remains to be done. */
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}
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else
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{
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/* We come here because of range checking. */
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index_type ret_extent;
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ret_extent = GFC_DESCRIPTOR_EXTENT(ret,0);
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if (total != ret_extent)
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runtime_error ("Incorrect extent in return value of PACK intrinsic;"
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" is %ld, should be %ld", (long int) total,
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(long int) ret_extent);
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}
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}
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rstride0 = GFC_DESCRIPTOR_STRIDE_BYTES(ret,0);
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if (rstride0 == 0)
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rstride0 = size;
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sstride0 = sstride[0];
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mstride0 = mstride[0];
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rptr = ret->base_addr;
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while (sptr && mptr)
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{
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/* Test this element. */
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if (*mptr)
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{
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/* Add it. */
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memcpy (rptr, sptr, size);
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rptr += rstride0;
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}
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/* Advance to the next element. */
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sptr += sstride0;
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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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sptr -= sstride[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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sptr = 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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sptr += sstride[n];
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mptr += mstride[n];
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}
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}
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}
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/* Add any remaining elements from VECTOR. */
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if (vector)
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{
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n = GFC_DESCRIPTOR_EXTENT(vector,0);
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nelem = ((rptr - ret->base_addr) / rstride0);
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if (n > nelem)
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{
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sstride0 = GFC_DESCRIPTOR_STRIDE_BYTES(vector,0);
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if (sstride0 == 0)
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sstride0 = size;
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sptr = vector->base_addr + sstride0 * nelem;
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n -= nelem;
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while (n--)
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{
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memcpy (rptr, sptr, size);
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rptr += rstride0;
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sptr += sstride0;
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}
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}
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}
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}
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extern void pack (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(pack);
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void
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pack (gfc_array_char *ret, const gfc_array_char *array,
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const gfc_array_l1 *mask, const gfc_array_char *vector)
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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(array);
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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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pack_i1 ((gfc_array_i1 *) ret, (gfc_array_i1 *) array,
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(gfc_array_l1 *) mask, (gfc_array_i1 *) vector);
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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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pack_i2 ((gfc_array_i2 *) ret, (gfc_array_i2 *) array,
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(gfc_array_l1 *) mask, (gfc_array_i2 *) vector);
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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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pack_i4 ((gfc_array_i4 *) ret, (gfc_array_i4 *) array,
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(gfc_array_l1 *) mask, (gfc_array_i4 *) vector);
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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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pack_i8 ((gfc_array_i8 *) ret, (gfc_array_i8 *) array,
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(gfc_array_l1 *) mask, (gfc_array_i8 *) vector);
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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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pack_i16 ((gfc_array_i16 *) ret, (gfc_array_i16 *) array,
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(gfc_array_l1 *) mask, (gfc_array_i16 *) vector);
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return;
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#endif
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case GFC_DTYPE_REAL_4:
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pack_r4 ((gfc_array_r4 *) ret, (gfc_array_r4 *) array,
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(gfc_array_l1 *) mask, (gfc_array_r4 *) vector);
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return;
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case GFC_DTYPE_REAL_8:
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pack_r8 ((gfc_array_r8 *) ret, (gfc_array_r8 *) array,
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(gfc_array_l1 *) mask, (gfc_array_r8 *) vector);
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return;
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/* FIXME: This here is a hack, which will have to be removed when
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the array descriptor is reworked. Currently, we don't store the
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kind value for the type, but only the size. Because on targets with
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__float128, we have sizeof(logn double) == sizeof(__float128),
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we cannot discriminate here and have to fall back to the generic
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handling (which is suboptimal). */
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#if !defined(GFC_REAL_16_IS_FLOAT128)
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# ifdef HAVE_GFC_REAL_10
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case GFC_DTYPE_REAL_10:
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pack_r10 ((gfc_array_r10 *) ret, (gfc_array_r10 *) array,
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(gfc_array_l1 *) mask, (gfc_array_r10 *) vector);
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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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pack_r16 ((gfc_array_r16 *) ret, (gfc_array_r16 *) array,
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(gfc_array_l1 *) mask, (gfc_array_r16 *) vector);
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return;
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# endif
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#endif
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case GFC_DTYPE_COMPLEX_4:
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pack_c4 ((gfc_array_c4 *) ret, (gfc_array_c4 *) array,
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(gfc_array_l1 *) mask, (gfc_array_c4 *) vector);
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return;
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case GFC_DTYPE_COMPLEX_8:
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pack_c8 ((gfc_array_c8 *) ret, (gfc_array_c8 *) array,
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(gfc_array_l1 *) mask, (gfc_array_c8 *) vector);
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return;
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/* FIXME: This here is a hack, which will have to be removed when
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the array descriptor is reworked. Currently, we don't store the
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kind value for the type, but only the size. Because on targets with
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__float128, we have sizeof(logn double) == sizeof(__float128),
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we cannot discriminate here and have to fall back to the generic
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handling (which is suboptimal). */
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#if !defined(GFC_REAL_16_IS_FLOAT128)
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# ifdef HAVE_GFC_COMPLEX_10
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case GFC_DTYPE_COMPLEX_10:
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pack_c10 ((gfc_array_c10 *) ret, (gfc_array_c10 *) array,
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(gfc_array_l1 *) mask, (gfc_array_c10 *) vector);
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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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pack_c16 ((gfc_array_c16 *) ret, (gfc_array_c16 *) array,
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(gfc_array_l1 *) mask, (gfc_array_c16 *) vector);
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return;
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# endif
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#endif
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}
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/* For other types, let's check the actual alignment of the data pointers.
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If they are aligned, we can safely call the unpack functions. */
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switch (GFC_DESCRIPTOR_SIZE (array))
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{
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case 1:
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pack_i1 ((gfc_array_i1 *) ret, (gfc_array_i1 *) array,
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(gfc_array_l1 *) mask, (gfc_array_i1 *) vector);
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return;
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case 2:
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if (GFC_UNALIGNED_2(ret->base_addr) || GFC_UNALIGNED_2(array->base_addr)
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|| (vector && GFC_UNALIGNED_2(vector->base_addr)))
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break;
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else
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{
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pack_i2 ((gfc_array_i2 *) ret, (gfc_array_i2 *) array,
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(gfc_array_l1 *) mask, (gfc_array_i2 *) vector);
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return;
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}
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case 4:
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if (GFC_UNALIGNED_4(ret->base_addr) || GFC_UNALIGNED_4(array->base_addr)
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|| (vector && GFC_UNALIGNED_4(vector->base_addr)))
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break;
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else
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{
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pack_i4 ((gfc_array_i4 *) ret, (gfc_array_i4 *) array,
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(gfc_array_l1 *) mask, (gfc_array_i4 *) vector);
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return;
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}
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case 8:
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if (GFC_UNALIGNED_8(ret->base_addr) || GFC_UNALIGNED_8(array->base_addr)
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|| (vector && GFC_UNALIGNED_8(vector->base_addr)))
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break;
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else
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{
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pack_i8 ((gfc_array_i8 *) ret, (gfc_array_i8 *) array,
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(gfc_array_l1 *) mask, (gfc_array_i8 *) vector);
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return;
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}
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#ifdef HAVE_GFC_INTEGER_16
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case 16:
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if (GFC_UNALIGNED_16(ret->base_addr) || GFC_UNALIGNED_16(array->base_addr)
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|| (vector && GFC_UNALIGNED_16(vector->base_addr)))
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break;
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else
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{
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pack_i16 ((gfc_array_i16 *) ret, (gfc_array_i16 *) array,
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(gfc_array_l1 *) mask, (gfc_array_i16 *) vector);
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return;
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}
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#endif
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default:
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break;
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}
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size = GFC_DESCRIPTOR_SIZE (array);
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pack_internal (ret, array, mask, vector, size);
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}
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extern void pack_char (gfc_array_char *, GFC_INTEGER_4, const gfc_array_char *,
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const gfc_array_l1 *, const gfc_array_char *,
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GFC_INTEGER_4, GFC_INTEGER_4);
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export_proto(pack_char);
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void
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pack_char (gfc_array_char *ret,
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GFC_INTEGER_4 ret_length __attribute__((unused)),
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const gfc_array_char *array, const gfc_array_l1 *mask,
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const gfc_array_char *vector, GFC_INTEGER_4 array_length,
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GFC_INTEGER_4 vector_length __attribute__((unused)))
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{
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pack_internal (ret, array, mask, vector, array_length);
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}
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extern void pack_char4 (gfc_array_char *, GFC_INTEGER_4, const gfc_array_char *,
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const gfc_array_l1 *, const gfc_array_char *,
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GFC_INTEGER_4, GFC_INTEGER_4);
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export_proto(pack_char4);
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void
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pack_char4 (gfc_array_char *ret,
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GFC_INTEGER_4 ret_length __attribute__((unused)),
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const gfc_array_char *array, const gfc_array_l1 *mask,
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const gfc_array_char *vector, GFC_INTEGER_4 array_length,
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GFC_INTEGER_4 vector_length __attribute__((unused)))
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{
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pack_internal (ret, array, mask, vector, array_length * sizeof (gfc_char4_t));
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}
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static void
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pack_s_internal (gfc_array_char *ret, const gfc_array_char *array,
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const GFC_LOGICAL_4 *mask, const gfc_array_char *vector,
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index_type size)
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{
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/* r.* indicates the return array. */
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index_type rstride0;
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char *rptr;
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/* s.* indicates the source array. */
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index_type sstride[GFC_MAX_DIMENSIONS];
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index_type sstride0;
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const char *sptr;
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index_type count[GFC_MAX_DIMENSIONS];
|
|
index_type extent[GFC_MAX_DIMENSIONS];
|
|
index_type n;
|
|
index_type dim;
|
|
index_type ssize;
|
|
index_type nelem;
|
|
index_type total;
|
|
|
|
dim = GFC_DESCRIPTOR_RANK (array);
|
|
/* Initialize sstride[0] to avoid -Wmaybe-uninitialized
|
|
complaints. */
|
|
sstride[0] = size;
|
|
ssize = 1;
|
|
for (n = 0; n < dim; n++)
|
|
{
|
|
count[n] = 0;
|
|
extent[n] = GFC_DESCRIPTOR_EXTENT(array,n);
|
|
if (extent[n] < 0)
|
|
extent[n] = 0;
|
|
|
|
sstride[n] = GFC_DESCRIPTOR_STRIDE_BYTES(array,n);
|
|
ssize *= extent[n];
|
|
}
|
|
if (sstride[0] == 0)
|
|
sstride[0] = size;
|
|
|
|
sstride0 = sstride[0];
|
|
|
|
if (ssize != 0)
|
|
sptr = array->base_addr;
|
|
else
|
|
sptr = NULL;
|
|
|
|
if (ret->base_addr == NULL)
|
|
{
|
|
/* Allocate the memory for the result. */
|
|
|
|
if (vector != NULL)
|
|
{
|
|
/* The return array will have as many elements as there are
|
|
in vector. */
|
|
total = GFC_DESCRIPTOR_EXTENT(vector,0);
|
|
if (total <= 0)
|
|
{
|
|
total = 0;
|
|
vector = NULL;
|
|
}
|
|
}
|
|
else
|
|
{
|
|
if (*mask)
|
|
{
|
|
/* The result array will have as many elements as the input
|
|
array. */
|
|
total = extent[0];
|
|
for (n = 1; n < dim; n++)
|
|
total *= extent[n];
|
|
}
|
|
else
|
|
/* The result array will be empty. */
|
|
total = 0;
|
|
}
|
|
|
|
/* Setup the array descriptor. */
|
|
GFC_DIMENSION_SET(ret->dim[0],0,total-1,1);
|
|
|
|
ret->offset = 0;
|
|
|
|
ret->base_addr = xmallocarray (total, size);
|
|
|
|
if (total == 0)
|
|
return;
|
|
}
|
|
|
|
rstride0 = GFC_DESCRIPTOR_STRIDE_BYTES(ret,0);
|
|
if (rstride0 == 0)
|
|
rstride0 = size;
|
|
rptr = ret->base_addr;
|
|
|
|
/* The remaining possibilities are now:
|
|
If MASK is .TRUE., we have to copy the source array into the
|
|
result array. We then have to fill it up with elements from VECTOR.
|
|
If MASK is .FALSE., we have to copy VECTOR into the result
|
|
array. If VECTOR were not present we would have already returned. */
|
|
|
|
if (*mask && ssize != 0)
|
|
{
|
|
while (sptr)
|
|
{
|
|
/* Add this element. */
|
|
memcpy (rptr, sptr, size);
|
|
rptr += rstride0;
|
|
|
|
/* Advance to the next element. */
|
|
sptr += sstride0;
|
|
count[0]++;
|
|
n = 0;
|
|
while (count[n] == extent[n])
|
|
{
|
|
/* When we get to the end of a dimension, reset it and
|
|
increment the next dimension. */
|
|
count[n] = 0;
|
|
/* We could precalculate these products, but this is a
|
|
less frequently used path so probably not worth it. */
|
|
sptr -= sstride[n] * extent[n];
|
|
n++;
|
|
if (n >= dim)
|
|
{
|
|
/* Break out of the loop. */
|
|
sptr = NULL;
|
|
break;
|
|
}
|
|
else
|
|
{
|
|
count[n]++;
|
|
sptr += sstride[n];
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
/* Add any remaining elements from VECTOR. */
|
|
if (vector)
|
|
{
|
|
n = GFC_DESCRIPTOR_EXTENT(vector,0);
|
|
nelem = ((rptr - ret->base_addr) / rstride0);
|
|
if (n > nelem)
|
|
{
|
|
sstride0 = GFC_DESCRIPTOR_STRIDE_BYTES(vector,0);
|
|
if (sstride0 == 0)
|
|
sstride0 = size;
|
|
|
|
sptr = vector->base_addr + sstride0 * nelem;
|
|
n -= nelem;
|
|
while (n--)
|
|
{
|
|
memcpy (rptr, sptr, size);
|
|
rptr += rstride0;
|
|
sptr += sstride0;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
extern void pack_s (gfc_array_char *ret, const gfc_array_char *array,
|
|
const GFC_LOGICAL_4 *, const gfc_array_char *);
|
|
export_proto(pack_s);
|
|
|
|
void
|
|
pack_s (gfc_array_char *ret, const gfc_array_char *array,
|
|
const GFC_LOGICAL_4 *mask, const gfc_array_char *vector)
|
|
{
|
|
pack_s_internal (ret, array, mask, vector, GFC_DESCRIPTOR_SIZE (array));
|
|
}
|
|
|
|
|
|
extern void pack_s_char (gfc_array_char *ret, GFC_INTEGER_4,
|
|
const gfc_array_char *array, const GFC_LOGICAL_4 *,
|
|
const gfc_array_char *, GFC_INTEGER_4,
|
|
GFC_INTEGER_4);
|
|
export_proto(pack_s_char);
|
|
|
|
void
|
|
pack_s_char (gfc_array_char *ret,
|
|
GFC_INTEGER_4 ret_length __attribute__((unused)),
|
|
const gfc_array_char *array, const GFC_LOGICAL_4 *mask,
|
|
const gfc_array_char *vector, GFC_INTEGER_4 array_length,
|
|
GFC_INTEGER_4 vector_length __attribute__((unused)))
|
|
{
|
|
pack_s_internal (ret, array, mask, vector, array_length);
|
|
}
|
|
|
|
|
|
extern void pack_s_char4 (gfc_array_char *ret, GFC_INTEGER_4,
|
|
const gfc_array_char *array, const GFC_LOGICAL_4 *,
|
|
const gfc_array_char *, GFC_INTEGER_4,
|
|
GFC_INTEGER_4);
|
|
export_proto(pack_s_char4);
|
|
|
|
void
|
|
pack_s_char4 (gfc_array_char *ret,
|
|
GFC_INTEGER_4 ret_length __attribute__((unused)),
|
|
const gfc_array_char *array, const GFC_LOGICAL_4 *mask,
|
|
const gfc_array_char *vector, GFC_INTEGER_4 array_length,
|
|
GFC_INTEGER_4 vector_length __attribute__((unused)))
|
|
{
|
|
pack_s_internal (ret, array, mask, vector,
|
|
array_length * sizeof (gfc_char4_t));
|
|
}
|