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286 lines
7.0 KiB
Plaintext
286 lines
7.0 KiB
Plaintext
dnl Support macro file for intrinsic functions.
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dnl Contains the generic sections of the array functions.
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dnl This file is part of the GNU Fortran Runtime Library (libgfortran)
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dnl Distributed under the GNU GPL with exception. See COPYING for details.
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define(START_FOREACH_FUNCTION,
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`
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extern void name`'rtype_qual`_'atype_code (rtype * const restrict retarray,
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atype * const restrict array, GFC_LOGICAL_4);
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export_proto(name`'rtype_qual`_'atype_code);
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void
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name`'rtype_qual`_'atype_code (rtype * const restrict retarray,
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atype * const restrict array, GFC_LOGICAL_4 back)
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{
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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 sstride[GFC_MAX_DIMENSIONS];
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index_type dstride;
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const atype_name *base;
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rtype_name * restrict dest;
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index_type rank;
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index_type n;
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rank = GFC_DESCRIPTOR_RANK (array);
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if (rank <= 0)
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runtime_error ("Rank of array needs to be > 0");
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if (retarray->base_addr == NULL)
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{
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GFC_DIMENSION_SET(retarray->dim[0], 0, rank-1, 1);
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retarray->dtype.rank = 1;
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retarray->offset = 0;
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retarray->base_addr = xmallocarray (rank, sizeof (rtype_name));
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}
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else
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{
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if (unlikely (compile_options.bounds_check))
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bounds_iforeach_return ((array_t *) retarray, (array_t *) array,
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"u_name");
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}
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dstride = GFC_DESCRIPTOR_STRIDE(retarray,0);
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dest = retarray->base_addr;
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for (n = 0; n < rank; n++)
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{
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sstride[n] = GFC_DESCRIPTOR_STRIDE(array,n);
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extent[n] = GFC_DESCRIPTOR_EXTENT(array,n);
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count[n] = 0;
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if (extent[n] <= 0)
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{
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/* Set the return value. */
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for (n = 0; n < rank; n++)
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dest[n * dstride] = 0;
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return;
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}
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}
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base = array->base_addr;
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/* Initialize the return value. */
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for (n = 0; n < rank; n++)
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dest[n * dstride] = 1;
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{
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')dnl
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define(START_FOREACH_BLOCK,
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` while (base)
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{
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/* Implementation start. */
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')dnl
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define(FINISH_FOREACH_FUNCTION,
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` /* Implementation end. */
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/* Advance to the next element. */
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base += sstride[0];
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}
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while (++count[0] != extent[0]);
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n = 0;
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do
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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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base -= sstride[n] * extent[n];
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n++;
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if (n >= rank)
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{
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/* Break out of the loop. */
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base = 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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base += sstride[n];
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}
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}
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while (count[n] == extent[n]);
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}
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}
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}')dnl
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define(START_MASKED_FOREACH_FUNCTION,
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`
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extern void `m'name`'rtype_qual`_'atype_code (rtype * const restrict,
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atype * const restrict, gfc_array_l1 * const restrict,
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GFC_LOGICAL_4);
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export_proto(`m'name`'rtype_qual`_'atype_code);
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void
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`m'name`'rtype_qual`_'atype_code (rtype * const restrict retarray,
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atype * const restrict array,
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gfc_array_l1 * const restrict mask, GFC_LOGICAL_4 back)
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{
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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 sstride[GFC_MAX_DIMENSIONS];
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index_type mstride[GFC_MAX_DIMENSIONS];
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index_type dstride;
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rtype_name *dest;
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const atype_name *base;
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GFC_LOGICAL_1 *mbase;
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int rank;
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index_type n;
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int mask_kind;
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if (mask == NULL)
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{
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name`'rtype_qual`_'atype_code (retarray, array, back);
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return;
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}
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rank = GFC_DESCRIPTOR_RANK (array);
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if (rank <= 0)
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runtime_error ("Rank of array needs to be > 0");
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if (retarray->base_addr == NULL)
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{
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GFC_DIMENSION_SET(retarray->dim[0], 0, rank - 1, 1);
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retarray->dtype.rank = 1;
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retarray->offset = 0;
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retarray->base_addr = xmallocarray (rank, sizeof (rtype_name));
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}
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else
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{
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if (unlikely (compile_options.bounds_check))
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{
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bounds_iforeach_return ((array_t *) retarray, (array_t *) array,
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"u_name");
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bounds_equal_extents ((array_t *) mask, (array_t *) array,
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"MASK argument", "u_name");
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}
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}
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mask_kind = GFC_DESCRIPTOR_SIZE (mask);
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mbase = mask->base_addr;
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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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mbase = GFOR_POINTER_TO_L1 (mbase, mask_kind);
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else
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runtime_error ("Funny sized logical array");
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dstride = GFC_DESCRIPTOR_STRIDE(retarray,0);
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dest = retarray->base_addr;
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for (n = 0; n < rank; n++)
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{
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sstride[n] = GFC_DESCRIPTOR_STRIDE(array,n);
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mstride[n] = GFC_DESCRIPTOR_STRIDE_BYTES(mask,n);
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extent[n] = GFC_DESCRIPTOR_EXTENT(array,n);
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count[n] = 0;
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if (extent[n] <= 0)
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{
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/* Set the return value. */
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for (n = 0; n < rank; n++)
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dest[n * dstride] = 0;
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return;
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}
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}
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base = array->base_addr;
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/* Initialize the return value. */
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for (n = 0; n < rank; n++)
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dest[n * dstride] = 0;
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{
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')dnl
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define(START_MASKED_FOREACH_BLOCK, `START_FOREACH_BLOCK')dnl
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define(FINISH_MASKED_FOREACH_FUNCTION,
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` /* Implementation end. */
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/* Advance to the next element. */
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base += sstride[0];
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mbase += mstride[0];
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}
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while (++count[0] != extent[0]);
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n = 0;
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do
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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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base -= sstride[n] * extent[n];
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mbase -= mstride[n] * extent[n];
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n++;
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if (n >= rank)
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{
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/* Break out of the loop. */
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base = 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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base += sstride[n];
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mbase += mstride[n];
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}
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}
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while (count[n] == extent[n]);
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}
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}
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}')dnl
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define(FOREACH_FUNCTION,
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`START_FOREACH_FUNCTION
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$1
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START_FOREACH_BLOCK
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$2
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FINISH_FOREACH_FUNCTION')dnl
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define(MASKED_FOREACH_FUNCTION,
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`START_MASKED_FOREACH_FUNCTION
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$1
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START_MASKED_FOREACH_BLOCK
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$2
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FINISH_MASKED_FOREACH_FUNCTION')dnl
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define(SCALAR_FOREACH_FUNCTION,
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`
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extern void `s'name`'rtype_qual`_'atype_code (rtype * const restrict,
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atype * const restrict, GFC_LOGICAL_4 *, GFC_LOGICAL_4);
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export_proto(`s'name`'rtype_qual`_'atype_code);
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void
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`s'name`'rtype_qual`_'atype_code (rtype * const restrict retarray,
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atype * const restrict array,
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GFC_LOGICAL_4 * mask, GFC_LOGICAL_4 back)
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{
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index_type rank;
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index_type dstride;
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index_type n;
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rtype_name *dest;
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if (mask == NULL || *mask)
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{
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name`'rtype_qual`_'atype_code (retarray, array, back);
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return;
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}
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rank = GFC_DESCRIPTOR_RANK (array);
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if (rank <= 0)
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runtime_error ("Rank of array needs to be > 0");
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if (retarray->base_addr == NULL)
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{
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GFC_DIMENSION_SET(retarray->dim[0], 0, rank-1, 1);
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retarray->dtype.rank = 1;
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retarray->offset = 0;
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retarray->base_addr = xmallocarray (rank, sizeof (rtype_name));
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}
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else if (unlikely (compile_options.bounds_check))
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{
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bounds_iforeach_return ((array_t *) retarray, (array_t *) array,
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"u_name");
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}
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dstride = GFC_DESCRIPTOR_STRIDE(retarray,0);
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dest = retarray->base_addr;
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for (n = 0; n<rank; n++)
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dest[n * dstride] = $1 ;
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}')dnl
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