07d3cebe24
* intrinsics/cshift0.c, intrinsics/eoshift0.c, intrinsics/eoshift2.c,
intrinsics/pack_generic.c, intrinsics/string_intrinsics.c,
intrinsics/transpose_generic.c, m4/ifunction.m4, m4/matmul.m4,
m4/matmull.m4, m4/transpose.m4: Use internal_malloc_size instead
of internal_malloc.
* generated/*: Rebuild.
From-SVN: r91799
276 lines
7.4 KiB
Plaintext
276 lines
7.4 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 95 Runtime Library (libgfortran)
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dnl Distributed under the GNU LGPL. See COPYING for details.
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dnl
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dnl Pass the implementation for a single section as the parameter to
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dnl {MASK_}ARRAY_FUNCTION.
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dnl The variables base, delta, and len describe the input section.
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dnl For masked section the mask is described by mbase and mdelta.
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dnl These should not be modified. The result should be stored in *dest.
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dnl The names count, extent, sstride, dstride, base, dest, rank, dim
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dnl retarray, array, pdim and mstride should not be used.
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dnl The variable n is declared as index_type and may be used.
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dnl Other variable declarations may be placed at the start of the code,
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dnl The types of the array parameter and the return value are
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dnl atype_name and rtype_name respectively.
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dnl Execution should be allowed to continue to the end of the block.
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dnl You should not return or break from the inner loop of the implementation.
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dnl Care should also be taken to avoid using the names defined in iparm.m4
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define(START_ARRAY_FUNCTION,
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`void
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`__'name`'rtype_qual`_'atype_code (rtype * retarray, atype *array, index_type *pdim)
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{
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index_type count[GFC_MAX_DIMENSIONS - 1];
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index_type extent[GFC_MAX_DIMENSIONS - 1];
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index_type sstride[GFC_MAX_DIMENSIONS - 1];
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index_type dstride[GFC_MAX_DIMENSIONS - 1];
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atype_name *base;
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rtype_name *dest;
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index_type rank;
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index_type n;
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index_type len;
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index_type delta;
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index_type dim;
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/* Make dim zero based to avoid confusion. */
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dim = (*pdim) - 1;
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rank = GFC_DESCRIPTOR_RANK (array) - 1;
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assert (rank == GFC_DESCRIPTOR_RANK (retarray));
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if (array->dim[0].stride == 0)
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array->dim[0].stride = 1;
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if (retarray->dim[0].stride == 0)
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retarray->dim[0].stride = 1;
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len = array->dim[dim].ubound + 1 - array->dim[dim].lbound;
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delta = array->dim[dim].stride;
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for (n = 0; n < dim; n++)
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{
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sstride[n] = array->dim[n].stride;
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extent[n] = array->dim[n].ubound + 1 - array->dim[n].lbound;
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}
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for (n = dim; n < rank; n++)
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{
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sstride[n] = array->dim[n + 1].stride;
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extent[n] =
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array->dim[n + 1].ubound + 1 - array->dim[n + 1].lbound;
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}
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if (retarray->data == NULL)
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{
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for (n = 0; n < rank; n++)
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{
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retarray->dim[n].lbound = 0;
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retarray->dim[n].ubound = extent[n]-1;
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if (n == 0)
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retarray->dim[n].stride = 1;
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else
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retarray->dim[n].stride = retarray->dim[n-1].stride * extent[n-1];
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}
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retarray->data
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= internal_malloc_size (sizeof (rtype_name)
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* retarray->dim[rank-1].stride
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* extent[rank-1]);
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retarray->base = 0;
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}
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for (n = 0; n < rank; n++)
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{
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count[n] = 0;
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dstride[n] = retarray->dim[n].stride;
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if (extent[n] <= 0)
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len = 0;
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}
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base = array->data;
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dest = retarray->data;
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while (base)
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{
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atype_name *src;
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rtype_name result;
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src = base;
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{
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')dnl
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define(START_ARRAY_BLOCK,
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` if (len <= 0)
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*dest = '$1`;
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else
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{
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for (n = 0; n < len; n++, src += delta)
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{
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')dnl
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define(FINISH_ARRAY_FUNCTION,
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` }
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*dest = result;
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}
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}
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/* Advance to the next element. */
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count[0]++;
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base += sstride[0];
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dest += dstride[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 proabably not worth it. */
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base -= sstride[n] * extent[n];
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dest -= dstride[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 look. */
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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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dest += dstride[n];
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}
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}
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}
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}')dnl
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define(START_MASKED_ARRAY_FUNCTION,
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`void
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`__m'name`'rtype_qual`_'atype_code (rtype * retarray, atype * array, index_type *pdim, gfc_array_l4 * mask)
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{
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index_type count[GFC_MAX_DIMENSIONS - 1];
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index_type extent[GFC_MAX_DIMENSIONS - 1];
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index_type sstride[GFC_MAX_DIMENSIONS - 1];
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index_type dstride[GFC_MAX_DIMENSIONS - 1];
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index_type mstride[GFC_MAX_DIMENSIONS - 1];
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rtype_name *dest;
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atype_name *base;
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GFC_LOGICAL_4 *mbase;
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int rank;
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int dim;
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index_type n;
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index_type len;
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index_type delta;
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index_type mdelta;
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dim = (*pdim) - 1;
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rank = GFC_DESCRIPTOR_RANK (array) - 1;
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assert (rank == GFC_DESCRIPTOR_RANK (retarray));
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if (array->dim[0].stride == 0)
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array->dim[0].stride = 1;
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if (retarray->dim[0].stride == 0)
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retarray->dim[0].stride = 1;
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len = array->dim[dim].ubound + 1 - array->dim[dim].lbound;
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if (len <= 0)
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return;
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delta = array->dim[dim].stride;
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mdelta = mask->dim[dim].stride;
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for (n = 0; n < dim; n++)
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{
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sstride[n] = array->dim[n].stride;
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mstride[n] = mask->dim[n].stride;
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extent[n] = array->dim[n].ubound + 1 - array->dim[n].lbound;
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}
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for (n = dim; n < rank; n++)
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{
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sstride[n] = array->dim[n + 1].stride;
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mstride[n] = mask->dim[n + 1].stride;
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extent[n] =
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array->dim[n + 1].ubound + 1 - array->dim[n + 1].lbound;
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}
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for (n = 0; n < rank; n++)
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{
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count[n] = 0;
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dstride[n] = retarray->dim[n].stride;
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if (extent[n] <= 0)
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return;
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}
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dest = retarray->data;
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base = array->data;
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mbase = mask->data;
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if (GFC_DESCRIPTOR_SIZE (mask) != 4)
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{
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/* This allows the same loop to be used for all logical types. */
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assert (GFC_DESCRIPTOR_SIZE (mask) == 8);
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for (n = 0; n < rank; n++)
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mstride[n] <<= 1;
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mdelta <<= 1;
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mbase = (GFOR_POINTER_L8_TO_L4 (mbase));
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}
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while (base)
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{
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atype_name *src;
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GFC_LOGICAL_4 *msrc;
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rtype_name result;
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src = base;
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msrc = mbase;
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{
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')dnl
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define(START_MASKED_ARRAY_BLOCK,
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` if (len <= 0)
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*dest = '$1`;
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else
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{
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for (n = 0; n < len; n++, src += delta, msrc += mdelta)
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{
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')dnl
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define(FINISH_MASKED_ARRAY_FUNCTION,
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` }
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*dest = result;
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}
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}
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/* Advance to the next element. */
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count[0]++;
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base += sstride[0];
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mbase += mstride[0];
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dest += dstride[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 proabably 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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dest -= dstride[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 look. */
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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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dest += dstride[n];
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}
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}
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}
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}')dnl
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define(ARRAY_FUNCTION,
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`START_ARRAY_FUNCTION
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$2
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START_ARRAY_BLOCK($1)
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$3
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FINISH_ARRAY_FUNCTION')dnl
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define(MASKED_ARRAY_FUNCTION,
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`START_MASKED_ARRAY_FUNCTION
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$2
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START_MASKED_ARRAY_BLOCK($1)
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$3
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FINISH_MASKED_ARRAY_FUNCTION')dnl
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