re PR fortran/54613 ([F08] Add FINDLOC plus support MAXLOC/MINLOC with KIND=/BACK=)

2017-10-28  Thomas Koenig  <tkoenig@gcc.gnu.org>

	PR fortran/54613
	* gfortran.h (gfc_isym_id): Add GFC_ISYM_FINDLOC.
	(gfc_check_f): Add f6fl field.
	(gfc_simplify_f): Add f6 field.
	(gfc_resolve_f): Likewise.
	(gfc_type_letter): Add optional logical_equas_int flag.
	* check.c (intrinsic_type_check): New function.
	(gfc_check_findloc): New function.
	* intrinsics.c (gfc_type_letter): If logical_equals_int is
	set, act accordingly.
	(add_sym_5ml):  Reformat comment.
	(add_sym_6fl): New function.
	(add_functions): Add findloc.
	(check_arglist): Add sixth argument, handle it.
	(resolve_intrinsic): Likewise.
	(check_specific): Handle findloc.
	* intrinsic.h (gfc_check_findloc): Add prototype.
	(gfc_simplify_findloc): Likewise.
	(gfc_resolve_findloc): Likewise.
	(MAX_INTRINSIC_ARGS): Adjust.
	* iresolve.c (gfc_resolve_findloc): New function.
	* simplify.c (gfc_simplify_minmaxloc): Make static.
	(simplify_findloc_to_scalar): New function.
	(simplify_findloc_nodim): New function.
	(simplify_findloc_to_array): New function.
	(gfc_simplify_findloc): New function.
	(gfc_conv_intrinsic_findloc): New function.
	(gfc_conv_intrinsic_function): Handle GFC_ISYM_FINDLOC.
	(gfc_is_intrinsic_libcall): Likewise.

2017-10-28  Thomas Koenig  <tkoenig@gcc.gnu.org>

	PR fortran/54613
	* Makefile.am: Add files for findloc.
	* Makefile.in: Regenerated.
	* libgfortran.h (gfc_array_index_type): Add.
	(gfc_array_s1): Add using GFC_UINTEGER_1.
	(gfc_array_s4): Likewise.
	Replace unnecessary comment.
	(HAVE_GFC_UINTEGER_1): Define.
	(HAVE_GFC_UINTEGER_4): Define.
	* m4/findloc0.m4: New file.
	* m4/findloc0s.m4: New file.
	* m4/findloc1.m4: New file.
	* m4/findloc1s.m4: New file.
	* m4/findloc2s.m4: New file.
	* m4/ifindloc0.m4: New file.
	* m4/ifindloc1.m4: New file.
	* m4/ifindloc2.m4: New file.
	* m4/iparm.m4: Use unsigned integer for characters.
        * generated/findloc0_c16.c: New file.
        * generated/findloc0_c4.c: New file.
        * generated/findloc0_c8.c: New file.
        * generated/findloc0_i1.c: New file.
        * generated/findloc0_i16.c: New file.
        * generated/findloc0_i2.c: New file.
        * generated/findloc0_i4.c: New file.
        * generated/findloc0_i8.c: New file.
        * generated/findloc0_r16.c: New file.
        * generated/findloc0_r4.c: New file.
        * generated/findloc0_r8.c: New file.
        * generated/findloc0_s1.c: New file.
        * generated/findloc0_s4.c: New file.
        * generated/findloc1_c16.c: New file.
        * generated/findloc1_c4.c: New file.
        * generated/findloc1_c8.c: New file.
        * generated/findloc1_i1.c: New file.
        * generated/findloc1_i16.c: New file.
        * generated/findloc1_i2.c: New file.
        * generated/findloc1_i4.c: New file.
        * generated/findloc1_i8.c: New file.
        * generated/findloc1_r16.c: New file.
        * generated/findloc1_r4.c: New file.
        * generated/findloc1_r8.c: New file.
        * generated/findloc1_s1.c: New file.
        * generated/findloc1_s4.c: New file.
        * generated/findloc2_s1.c: New file.
        * generated/findloc2_s4.c: New file.
        * generated/maxloc0_16_s1.c: Regenerated.
        * generated/maxloc0_16_s4.c: Regenerated.
        * generated/maxloc0_4_s1.c: Regenerated.
        * generated/maxloc0_4_s4.c: Regenerated.
        * generated/maxloc0_8_s1.c: Regenerated.
        * generated/maxloc0_8_s4.c: Regenerated.
        * generated/maxloc1_16_s1.c: Regenerated.
        * generated/maxloc1_16_s4.c: Regenerated.
        * generated/maxloc1_4_s1.c: Regenerated.
        * generated/maxloc1_4_s4.c: Regenerated.
        * generated/maxloc1_8_s1.c: Regenerated.
        * generated/maxloc1_8_s4.c: Regenerated.
        * generated/maxloc2_16_s1.c: Regenerated.
        * generated/maxloc2_16_s4.c: Regenerated.
        * generated/maxloc2_4_s1.c: Regenerated.
        * generated/maxloc2_4_s4.c: Regenerated.
        * generated/maxloc2_8_s1.c: Regenerated.
        * generated/maxloc2_8_s4.c: Regenerated.
        * generated/maxval0_s1.c: Regenerated.
        * generated/maxval0_s4.c: Regenerated.
        * generated/maxval1_s1.c: Regenerated.
        * generated/maxval1_s4.c: Regenerated.
        * generated/minloc0_16_s1.c: Regenerated.
        * generated/minloc0_16_s4.c: Regenerated.
        * generated/minloc0_4_s1.c: Regenerated.
        * generated/minloc0_4_s4.c: Regenerated.
        * generated/minloc0_8_s1.c: Regenerated.
        * generated/minloc0_8_s4.c: Regenerated.
        * generated/minloc1_16_s1.c: Regenerated.
        * generated/minloc1_16_s4.c: Regenerated.
        * generated/minloc1_4_s1.c: Regenerated.
        * generated/minloc1_4_s4.c: Regenerated.
        * generated/minloc1_8_s1.c: Regenerated.
        * generated/minloc1_8_s4.c: Regenerated.
        * generated/minloc2_16_s1.c: Regenerated.
        * generated/minloc2_16_s4.c: Regenerated.
        * generated/minloc2_4_s1.c: Regenerated.
        * generated/minloc2_4_s4.c: Regenerated.
        * generated/minloc2_8_s1.c: Regenerated.
        * generated/minloc2_8_s4.c: Regenerated.
        * generated/minval0_s1.c: Regenerated.
        * generated/minval0_s4.c: Regenerated.
        * generated/minval1_s1.c: Regenerated.
        * generated/minval1_s4.c: Regenerated.

2017-10-28  Thomas Koenig  <tkoenig@gcc.gnu.org>

	PR fortran/54613
	* gfortran.dg/findloc_1.f90: New test.
	* gfortran.dg/findloc_2.f90: New test.
	* gfortran.dg/findloc_3.f90: New test.
	* gfortran.dg/findloc_4.f90: New test.
	* gfortran.dg/findloc_5.f90: New test.
	* gfortran.dg/findloc_6.f90: New test.

From-SVN: r265570

1 files changed, 91 insertions, 0 deletions

diff --git a/gcc/fortran/check.c b/gcc/fortran/check.c
index 30214fe..43b0713 100644
--- a/gcc/fortran/check.c
+++ b/gcc/fortran/check.c
@@ -148,6 +148,21 @@ int_or_real_or_char_check_f2003 (gfc_expr *e, int n)
   return true;
 }
 
+/* Check that an expression is an intrinsic type.  */
+static bool
+intrinsic_type_check (gfc_expr *e, int n)
+{
+  if (e->ts.type != BT_INTEGER && e->ts.type != BT_REAL
+      && e->ts.type != BT_COMPLEX && e->ts.type != BT_CHARACTER
+      && e->ts.type != BT_LOGICAL)
+    {
+      gfc_error ("%qs argument of %qs intrinsic at %L must be of intrinsic type",
+		 gfc_current_intrinsic_arg[n]->name,
+		 gfc_current_intrinsic, &e->where);
+      return false;
+    }
+  return true;
+}
 
 /* Check that an expression is real or complex.  */
 
@@ -3345,6 +3360,82 @@ gfc_check_minloc_maxloc (gfc_actual_arglist *ap)
   return true;
 }
 
+/* Check function for findloc.  Mostly like gfc_check_minloc_maxloc
+   above, with the additional "value" argument.  */
+
+bool
+gfc_check_findloc (gfc_actual_arglist *ap)
+{
+  gfc_expr *a, *v, *m, *d, *k, *b;
+
+  a = ap->expr;
+  if (!intrinsic_type_check (a, 0) || !array_check (a, 0))
+    return false;
+
+  v = ap->next->expr;
+  if (!scalar_check (v,1))
+    return false;
+
+  /* Check if the type is compatible.  */
+
+  if ((a->ts.type == BT_LOGICAL && v->ts.type != BT_LOGICAL)
+      || (a->ts.type != BT_LOGICAL && v->ts.type == BT_LOGICAL))
+    {
+      gfc_error ("Argument %qs of %qs intrinsic at %L must be in type "
+		 "conformance to argument %qs at %L",
+		 gfc_current_intrinsic_arg[0]->name,
+		 gfc_current_intrinsic, &a->where,
+		 gfc_current_intrinsic_arg[1]->name, &v->where);
+    }
+	 
+  d = ap->next->next->expr;
+  m = ap->next->next->next->expr;
+  k = ap->next->next->next->next->expr;
+  b = ap->next->next->next->next->next->expr;
+
+  if (b)
+    {
+      if (!type_check (b, 5, BT_LOGICAL) || !scalar_check (b,4))
+	return false;
+    }
+  else
+    {
+      b = gfc_get_logical_expr (gfc_logical_4_kind, NULL, 0);
+      ap->next->next->next->next->next->expr = b;
+    }
+
+  if (m == NULL && d != NULL && d->ts.type == BT_LOGICAL
+      && ap->next->name == NULL)
+    {
+      m = d;
+      d = NULL;
+      ap->next->next->expr = NULL;
+      ap->next->next->next->expr = m;
+    }
+
+  if (!dim_check (d, 2, false))
+    return false;
+
+  if (!dim_rank_check (d, a, 0))
+    return false;
+
+  if (m != NULL && !type_check (m, 3, BT_LOGICAL))
+    return false;
+
+  if (m != NULL
+      && !gfc_check_conformance (a, m,
+				 "arguments '%s' and '%s' for intrinsic %s",
+				 gfc_current_intrinsic_arg[0]->name,
+				 gfc_current_intrinsic_arg[3]->name,
+				 gfc_current_intrinsic))
+    return false;
+
+  if (!kind_check (k, 1, BT_INTEGER))
+    return false;
+
+  return true;
+}
+
 
 /* Similar to minloc/maxloc, the argument list might need to be
    reordered for the MINVAL, MAXVAL, PRODUCT, and SUM intrinsics.  The