diff libgfortran/m4/minloc2s.m4 @ 131:84e7813d76e9

gcc-8.2
author mir3636
date Thu, 25 Oct 2018 07:37:49 +0900
parents
children 1830386684a0
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--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/libgfortran/m4/minloc2s.m4	Thu Oct 25 07:37:49 2018 +0900
@@ -0,0 +1,164 @@
+`/* Implementation of the MINLOC intrinsic
+   Copyright (C) 2017-2018 Free Software Foundation, Inc.
+   Contributed by Thomas Koenig
+
+This file is part of the GNU Fortran runtime library (libgfortran).
+
+Libgfortran is free software; you can redistribute it and/or
+modify it under the terms of the GNU General Public
+License as published by the Free Software Foundation; either
+version 3 of the License, or (at your option) any later version.
+
+Libgfortran is distributed in the hope that it will be useful,
+but WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+GNU General Public License for more details.
+
+Under Section 7 of GPL version 3, you are granted additional
+permissions described in the GCC Runtime Library Exception, version
+3.1, as published by the Free Software Foundation.
+
+You should have received a copy of the GNU General Public License and
+a copy of the GCC Runtime Library Exception along with this program;
+see the files COPYING3 and COPYING.RUNTIME respectively.  If not, see
+<http://www.gnu.org/licenses/>.  */
+
+#include "libgfortran.h"
+#include <stdlib.h>
+#include <string.h>
+#include <assert.h>'
+include(iparm.m4)dnl
+
+`#if defined (HAVE_'atype_name`) && defined (HAVE_'rtype_name`)
+
+static inline int
+compare_fcn (const 'atype_name` *a, const 'atype_name` *b, gfc_charlen_type n)
+{
+  if (sizeof ('atype_name`) == 1)
+    return memcmp (a, b, n);
+  else
+    return memcmp_char4 (a, b, n);
+}
+
+extern 'rtype_name` 'name`'rtype_qual`_'atype_code` ('atype` * const restrict'back_arg`,
+       gfc_charlen_type);
+export_proto('name`'rtype_qual`_'atype_code`);
+
+'rtype_name`
+'name`'rtype_qual`_'atype_code` ('atype` * const restrict array'back_arg`,
+				gfc_charlen_type len)
+{
+  index_type ret;
+  index_type sstride;
+  index_type extent;
+  const 'atype_name` *src;
+  const 'atype_name` *minval;
+  index_type i;
+
+  extent = GFC_DESCRIPTOR_EXTENT(array,0);
+  if (extent <= 0)
+    return 0;
+
+  sstride = GFC_DESCRIPTOR_STRIDE(array,0) * len;
+
+  ret = 1;
+  src = array->base_addr;
+  minval = NULL;
+  for (i=1; i<=extent; i++)
+    {
+      if (minval == NULL || (back ? compare_fcn (src, minval, len) <= 0 :
+      	 	    	    	    compare_fcn (src, minval, len) < 0))
+      {
+	 ret = i;
+	 minval = src;
+      }
+      src += sstride;
+    }
+  return ret;
+}
+
+extern 'rtype_name` m'name`'rtype_qual`_'atype_code` ('atype` * const restrict,
+                    gfc_array_l1 *const restrict mask'back_arg`,
+		    gfc_charlen_type);
+export_proto(m'name`'rtype_qual`_'atype_code`);
+
+'rtype_name`
+m'name`'rtype_qual`_'atype_code` ('atype` * const restrict array,
+				 gfc_array_l1 * const restrict mask'back_arg`,
+				 gfc_charlen_type len)
+{
+  index_type ret;
+  index_type sstride;
+  index_type extent;
+  const 'atype_name` *src;
+  const 'atype_name` *maxval;
+  index_type i, j;
+  GFC_LOGICAL_1 *mbase;
+  int mask_kind;
+  index_type mstride;
+
+  extent = GFC_DESCRIPTOR_EXTENT(array,0);
+  if (extent <= 0)
+    return 0;
+
+  sstride = GFC_DESCRIPTOR_STRIDE(array,0) * len;
+
+  mask_kind = GFC_DESCRIPTOR_SIZE (mask);
+  mbase = mask->base_addr;
+
+  if (mask_kind == 1 || mask_kind == 2 || mask_kind == 4 || mask_kind == 8
+#ifdef HAVE_GFC_LOGICAL_16
+      || mask_kind == 16
+#endif
+      )
+    mbase = GFOR_POINTER_TO_L1 (mbase, mask_kind);
+  else
+    internal_error (NULL, "Funny sized logical array");
+
+  mstride = GFC_DESCRIPTOR_STRIDE_BYTES(mask,0);
+
+  /* Search for the first occurrence of a true element in mask. */
+  for (j=0; j<extent; j++)
+    {
+      if (*mbase)
+        break;
+      mbase += mstride;
+    }
+
+  if (j == extent)
+    return 0;
+
+  ret = j + 1;
+  src = array->base_addr + j * sstride;
+  maxval = src;
+
+  for (i=j+1; i<=extent; i++)
+    {
+
+      if (*mbase && (back ? compare_fcn (src, maxval, len) <= 0 :
+      	 	    	    compare_fcn (src, maxval, len) < 0))
+      {
+	 ret = i;
+	 maxval = src;
+      }
+      src += sstride;
+      mbase += mstride;
+    }
+  return ret;
+}
+
+extern 'rtype_name` s'name`'rtype_qual`_'atype_code` ('atype` * const restrict,
+       		    	GFC_LOGICAL_4 *mask'back_arg`, gfc_charlen_type);
+export_proto(s'name`'rtype_qual`_'atype_code`);
+
+'rtype_name`
+s'name`'rtype_qual`_'atype_code` ('atype` * const restrict array,
+				 GFC_LOGICAL_4 *mask'back_arg`, gfc_charlen_type len)
+{
+  if (mask)
+    return 'name`'rtype_qual`_'atype_code` (array, len, back);
+  else
+    return 0;
+}
+
+#endif'