/* Intrinsic translation
- Copyright (C) 2002, 2003, 2004, 2005, 2006 Free Software Foundation, Inc.
+ Copyright (C) 2002, 2003, 2004, 2005, 2006, 2007, 2008
+ Free Software Foundation, Inc.
Contributed by Paul Brook <paul@nowt.org>
and Steven Bosscher <s.bosscher@student.tudelft.nl>
GCC 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 2, or (at your option) any later
+Software Foundation; either version 3, or (at your option) any later
version.
GCC is distributed in the hope that it will be useful, but WITHOUT ANY
for more details.
You should have received a copy of the GNU General Public License
-along with GCC; see the file COPYING. If not, write to the Free
-Software Foundation, 51 Franklin Street, Fifth Floor, Boston, MA
-02110-1301, USA. */
+along with GCC; see the file COPYING3. If not see
+<http://www.gnu.org/licenses/>. */
/* trans-intrinsic.c-- generate GENERIC trees for calls to intrinsics. */
#include "config.h"
#include "system.h"
#include "coretypes.h"
+#include "tm.h"
#include "tree.h"
#include "ggc.h"
#include "toplev.h"
#include "real.h"
-#include "tree-gimple.h"
+#include "gimple.h"
#include "flags.h"
#include "gfortran.h"
#include "arith.h"
{
/* The explicit enum is required to work around inadequacies in the
garbage collection/gengtype parsing mechanism. */
- enum gfc_generic_isym_id id;
+ enum gfc_isym_id id;
/* Enum value from the "language-independent", aka C-centric, part
of gcc, or END_BUILTINS of no such value set. */
true, true, NAME, NULL_TREE, NULL_TREE, NULL_TREE, NULL_TREE, \
NULL_TREE, NULL_TREE, NULL_TREE, NULL_TREE},
-#define LIBM_FUNCTION(ID, NAME, HAVE_COMPLEX) \
- { GFC_ISYM_ ## ID, END_BUILTINS, END_BUILTINS, END_BUILTINS, END_BUILTINS, \
- END_BUILTINS, END_BUILTINS, END_BUILTINS, END_BUILTINS, \
- true, HAVE_COMPLEX, true, NAME, NULL_TREE, NULL_TREE, NULL_TREE, \
- NULL_TREE, NULL_TREE, NULL_TREE, NULL_TREE, NULL_TREE }
-
-#define LIBF_FUNCTION(ID, NAME, HAVE_COMPLEX) \
+#define LIB_FUNCTION(ID, NAME, HAVE_COMPLEX) \
{ GFC_ISYM_ ## ID, END_BUILTINS, END_BUILTINS, END_BUILTINS, END_BUILTINS, \
END_BUILTINS, END_BUILTINS, END_BUILTINS, END_BUILTINS, \
false, HAVE_COMPLEX, true, NAME, NULL_TREE, NULL_TREE, NULL_TREE, \
/* Functions built into gcc itself. */
#include "mathbuiltins.def"
- /* Functions in libm. */
- /* ??? This does exist as BUILT_IN_SCALBN, but doesn't quite fit the
- pattern for other mathbuiltins.def entries. At present we have no
- optimizations for this in the common sources. */
- LIBM_FUNCTION (SCALE, "scalbn", false),
-
/* Functions in libgfortran. */
- LIBF_FUNCTION (FRACTION, "fraction", false),
- LIBF_FUNCTION (NEAREST, "nearest", false),
- LIBF_FUNCTION (SET_EXPONENT, "set_exponent", false),
+ LIB_FUNCTION (ERFC_SCALED, "erfc_scaled", false),
/* End the list. */
- LIBF_FUNCTION (NONE, NULL, false)
+ LIB_FUNCTION (NONE, NULL, false)
+
};
+#undef LIB_FUNCTION
#undef DEFINE_MATH_BUILTIN
#undef DEFINE_MATH_BUILTIN_C
-#undef LIBM_FUNCTION
-#undef LIBF_FUNCTION
/* Structure for storing components of a floating number to be used by
elemental functions to manipulate reals. */
}
real_compnt_info;
+enum rounding_mode { RND_ROUND, RND_TRUNC, RND_CEIL, RND_FLOOR };
-/* Evaluate the arguments to an intrinsic function. */
+/* Evaluate the arguments to an intrinsic function. The value
+ of NARGS may be less than the actual number of arguments in EXPR
+ to allow optional "KIND" arguments that are not included in the
+ generated code to be ignored. */
-static tree
-gfc_conv_intrinsic_function_args (gfc_se * se, gfc_expr * expr)
+static void
+gfc_conv_intrinsic_function_args (gfc_se *se, gfc_expr *expr,
+ tree *argarray, int nargs)
{
gfc_actual_arglist *actual;
gfc_expr *e;
gfc_intrinsic_arg *formal;
gfc_se argse;
- tree args;
+ int curr_arg;
- args = NULL_TREE;
formal = expr->value.function.isym->formal;
+ actual = expr->value.function.actual;
- for (actual = expr->value.function.actual; actual; actual = actual->next,
- formal = formal ? formal->next : NULL)
+ for (curr_arg = 0; curr_arg < nargs; curr_arg++,
+ actual = actual->next,
+ formal = formal ? formal->next : NULL)
{
+ gcc_assert (actual);
e = actual->expr;
/* Skip omitted optional arguments. */
if (!e)
- continue;
+ {
+ --curr_arg;
+ continue;
+ }
/* Evaluate the parameter. This will substitute scalarized
references automatically. */
{
gfc_conv_expr (&argse, e);
gfc_conv_string_parameter (&argse);
- args = gfc_chainon_list (args, argse.string_length);
+ argarray[curr_arg++] = argse.string_length;
+ gcc_assert (curr_arg < nargs);
}
else
gfc_conv_expr_val (&argse, e);
/* If an optional argument is itself an optional dummy argument,
check its presence and substitute a null if absent. */
- if (e->expr_type ==EXPR_VARIABLE
+ if (e->expr_type == EXPR_VARIABLE
&& e->symtree->n.sym->attr.optional
&& formal
&& formal->optional)
- gfc_conv_missing_dummy (&argse, e, formal->ts);
+ gfc_conv_missing_dummy (&argse, e, formal->ts, 0);
gfc_add_block_to_block (&se->pre, &argse.pre);
gfc_add_block_to_block (&se->post, &argse.post);
- args = gfc_chainon_list (args, argse.expr);
+ argarray[curr_arg] = argse.expr;
+ }
+}
+
+/* Count the number of actual arguments to the intrinsic function EXPR
+ including any "hidden" string length arguments. */
+
+static unsigned int
+gfc_intrinsic_argument_list_length (gfc_expr *expr)
+{
+ int n = 0;
+ gfc_actual_arglist *actual;
+
+ for (actual = expr->value.function.actual; actual; actual = actual->next)
+ {
+ if (!actual->expr)
+ continue;
+
+ if (actual->expr->ts.type == BT_CHARACTER)
+ n += 2;
+ else
+ n++;
}
- return args;
+
+ return n;
}
gfc_conv_intrinsic_conversion (gfc_se * se, gfc_expr * expr)
{
tree type;
- tree arg;
+ tree *args;
+ int nargs;
- /* Evaluate the argument. */
+ nargs = gfc_intrinsic_argument_list_length (expr);
+ args = (tree *) alloca (sizeof (tree) * nargs);
+
+ /* Evaluate all the arguments passed. Whilst we're only interested in the
+ first one here, there are other parts of the front-end that assume this
+ and will trigger an ICE if it's not the case. */
type = gfc_typenode_for_spec (&expr->ts);
gcc_assert (expr->value.function.actual->expr);
- arg = gfc_conv_intrinsic_function_args (se, expr);
- arg = TREE_VALUE (arg);
+ gfc_conv_intrinsic_function_args (se, expr, args, nargs);
+
+ /* Conversion between character kinds involves a call to a library
+ function. */
+ if (expr->ts.type == BT_CHARACTER)
+ {
+ tree fndecl, var, addr, tmp;
+
+ if (expr->ts.kind == 1
+ && expr->value.function.actual->expr->ts.kind == 4)
+ fndecl = gfor_fndecl_convert_char4_to_char1;
+ else if (expr->ts.kind == 4
+ && expr->value.function.actual->expr->ts.kind == 1)
+ fndecl = gfor_fndecl_convert_char1_to_char4;
+ else
+ gcc_unreachable ();
+
+ /* Create the variable storing the converted value. */
+ type = gfc_get_pchar_type (expr->ts.kind);
+ var = gfc_create_var (type, "str");
+ addr = gfc_build_addr_expr (build_pointer_type (type), var);
+
+ /* Call the library function that will perform the conversion. */
+ gcc_assert (nargs >= 2);
+ tmp = build_call_expr (fndecl, 3, addr, args[0], args[1]);
+ gfc_add_expr_to_block (&se->pre, tmp);
+
+ /* Free the temporary afterwards. */
+ tmp = gfc_call_free (var);
+ gfc_add_expr_to_block (&se->post, tmp);
+
+ se->expr = var;
+ se->string_length = args[0];
+
+ return;
+ }
/* Conversion from complex to non-complex involves taking the real
component of the value. */
- if (TREE_CODE (TREE_TYPE (arg)) == COMPLEX_TYPE
+ if (TREE_CODE (TREE_TYPE (args[0])) == COMPLEX_TYPE
&& expr->ts.type != BT_COMPLEX)
{
tree artype;
- artype = TREE_TYPE (TREE_TYPE (arg));
- arg = build1 (REALPART_EXPR, artype, arg);
+ artype = TREE_TYPE (TREE_TYPE (args[0]));
+ args[0] = fold_build1 (REALPART_EXPR, artype, args[0]);
}
- se->expr = convert (type, arg);
+ se->expr = convert (type, args[0]);
}
/* This is needed because the gcc backend only implements
intval = gfc_evaluate_now (intval, pblock);
tmp = convert (argtype, intval);
- cond = build2 (up ? GE_EXPR : LE_EXPR, boolean_type_node, tmp, arg);
+ cond = fold_build2 (up ? GE_EXPR : LE_EXPR, boolean_type_node, tmp, arg);
- tmp = build2 (up ? PLUS_EXPR : MINUS_EXPR, type, intval,
- build_int_cst (type, 1));
- tmp = build3 (COND_EXPR, type, cond, intval, tmp);
+ tmp = fold_build2 (up ? PLUS_EXPR : MINUS_EXPR, type, intval,
+ build_int_cst (type, 1));
+ tmp = fold_build3 (COND_EXPR, type, cond, intval, tmp);
return tmp;
}
-/* This is needed because the gcc backend only implements FIX_TRUNC_EXPR
- NINT(x) = INT(x + ((x > 0) ? 0.5 : -0.5)). */
+/* Round to nearest integer, away from zero. */
static tree
-build_round_expr (stmtblock_t * pblock, tree arg, tree type)
+build_round_expr (tree arg, tree restype)
{
- tree tmp;
- tree cond;
- tree neg;
- tree pos;
tree argtype;
- REAL_VALUE_TYPE r;
+ tree fn;
+ bool longlong;
+ int argprec, resprec;
argtype = TREE_TYPE (arg);
- arg = gfc_evaluate_now (arg, pblock);
-
- real_from_string (&r, "0.5");
- pos = build_real (argtype, r);
-
- real_from_string (&r, "-0.5");
- neg = build_real (argtype, r);
+ argprec = TYPE_PRECISION (argtype);
+ resprec = TYPE_PRECISION (restype);
+
+ /* Depending on the type of the result, choose the long int intrinsic
+ (lround family) or long long intrinsic (llround). We might also
+ need to convert the result afterwards. */
+ if (resprec <= LONG_TYPE_SIZE)
+ longlong = false;
+ else if (resprec <= LONG_LONG_TYPE_SIZE)
+ longlong = true;
+ else
+ gcc_unreachable ();
- tmp = gfc_build_const (argtype, integer_zero_node);
- cond = fold_build2 (GT_EXPR, boolean_type_node, arg, tmp);
+ /* Now, depending on the argument type, we choose between intrinsics. */
+ if (argprec == TYPE_PRECISION (float_type_node))
+ fn = built_in_decls[longlong ? BUILT_IN_LLROUNDF : BUILT_IN_LROUNDF];
+ else if (argprec == TYPE_PRECISION (double_type_node))
+ fn = built_in_decls[longlong ? BUILT_IN_LLROUND : BUILT_IN_LROUND];
+ else if (argprec == TYPE_PRECISION (long_double_type_node))
+ fn = built_in_decls[longlong ? BUILT_IN_LLROUNDL : BUILT_IN_LROUNDL];
+ else
+ gcc_unreachable ();
- tmp = fold_build3 (COND_EXPR, argtype, cond, pos, neg);
- tmp = fold_build2 (PLUS_EXPR, argtype, arg, tmp);
- return fold_build1 (FIX_TRUNC_EXPR, type, tmp);
+ return fold_convert (restype, build_call_expr (fn, 1, arg));
}
static tree
build_fix_expr (stmtblock_t * pblock, tree arg, tree type,
- enum tree_code op)
+ enum rounding_mode op)
{
switch (op)
{
- case FIX_FLOOR_EXPR:
+ case RND_FLOOR:
return build_fixbound_expr (pblock, arg, type, 0);
break;
- case FIX_CEIL_EXPR:
+ case RND_CEIL:
return build_fixbound_expr (pblock, arg, type, 1);
break;
- case FIX_ROUND_EXPR:
- return build_round_expr (pblock, arg, type);
+ case RND_ROUND:
+ return build_round_expr (arg, type);
+ break;
+
+ case RND_TRUNC:
+ return fold_build1 (FIX_TRUNC_EXPR, type, arg);
+ break;
default:
- return build1 (op, type, arg);
+ gcc_unreachable ();
}
}
*/
static void
-gfc_conv_intrinsic_aint (gfc_se * se, gfc_expr * expr, enum tree_code op)
+gfc_conv_intrinsic_aint (gfc_se * se, gfc_expr * expr, enum rounding_mode op)
{
tree type;
tree itype;
- tree arg;
+ tree arg[2];
tree tmp;
tree cond;
mpfr_t huge;
- int n;
+ int n, nargs;
int kind;
kind = expr->ts.kind;
+ nargs = gfc_intrinsic_argument_list_length (expr);
n = END_BUILTINS;
/* We have builtin functions for some cases. */
switch (op)
{
- case FIX_ROUND_EXPR:
+ case RND_ROUND:
switch (kind)
{
case 4:
}
break;
- case FIX_TRUNC_EXPR:
+ case RND_TRUNC:
switch (kind)
{
case 4:
/* Evaluate the argument. */
gcc_assert (expr->value.function.actual->expr);
- arg = gfc_conv_intrinsic_function_args (se, expr);
+ gfc_conv_intrinsic_function_args (se, expr, arg, nargs);
/* Use a builtin function if one exists. */
if (n != END_BUILTINS)
{
tmp = built_in_decls[n];
- se->expr = build_function_call_expr (tmp, arg);
+ se->expr = build_call_expr (tmp, 1, arg[0]);
return;
}
/* This code is probably redundant, but we'll keep it lying around just
in case. */
type = gfc_typenode_for_spec (&expr->ts);
- arg = TREE_VALUE (arg);
- arg = gfc_evaluate_now (arg, &se->pre);
+ arg[0] = gfc_evaluate_now (arg[0], &se->pre);
/* Test if the value is too large to handle sensibly. */
gfc_set_model_kind (kind);
n = gfc_validate_kind (BT_INTEGER, kind, false);
mpfr_set_z (huge, gfc_integer_kinds[n].huge, GFC_RND_MODE);
tmp = gfc_conv_mpfr_to_tree (huge, kind);
- cond = build2 (LT_EXPR, boolean_type_node, arg, tmp);
+ cond = fold_build2 (LT_EXPR, boolean_type_node, arg[0], tmp);
mpfr_neg (huge, huge, GFC_RND_MODE);
tmp = gfc_conv_mpfr_to_tree (huge, kind);
- tmp = build2 (GT_EXPR, boolean_type_node, arg, tmp);
- cond = build2 (TRUTH_AND_EXPR, boolean_type_node, cond, tmp);
+ tmp = fold_build2 (GT_EXPR, boolean_type_node, arg[0], tmp);
+ cond = fold_build2 (TRUTH_AND_EXPR, boolean_type_node, cond, tmp);
itype = gfc_get_int_type (kind);
- tmp = build_fix_expr (&se->pre, arg, itype, op);
+ tmp = build_fix_expr (&se->pre, arg[0], itype, op);
tmp = convert (type, tmp);
- se->expr = build3 (COND_EXPR, type, cond, tmp, arg);
+ se->expr = fold_build3 (COND_EXPR, type, cond, tmp, arg[0]);
mpfr_clear (huge);
}
/* Convert to an integer using the specified rounding mode. */
static void
-gfc_conv_intrinsic_int (gfc_se * se, gfc_expr * expr, int op)
+gfc_conv_intrinsic_int (gfc_se * se, gfc_expr * expr, enum rounding_mode op)
{
tree type;
- tree arg;
+ tree *args;
+ int nargs;
- /* Evaluate the argument. */
+ nargs = gfc_intrinsic_argument_list_length (expr);
+ args = (tree *) alloca (sizeof (tree) * nargs);
+
+ /* Evaluate the argument, we process all arguments even though we only
+ use the first one for code generation purposes. */
type = gfc_typenode_for_spec (&expr->ts);
gcc_assert (expr->value.function.actual->expr);
- arg = gfc_conv_intrinsic_function_args (se, expr);
- arg = TREE_VALUE (arg);
+ gfc_conv_intrinsic_function_args (se, expr, args, nargs);
- if (TREE_CODE (TREE_TYPE (arg)) == INTEGER_TYPE)
+ if (TREE_CODE (TREE_TYPE (args[0])) == INTEGER_TYPE)
{
/* Conversion to a different integer kind. */
- se->expr = convert (type, arg);
+ se->expr = convert (type, args[0]);
}
else
{
/* Conversion from complex to non-complex involves taking the real
component of the value. */
- if (TREE_CODE (TREE_TYPE (arg)) == COMPLEX_TYPE
+ if (TREE_CODE (TREE_TYPE (args[0])) == COMPLEX_TYPE
&& expr->ts.type != BT_COMPLEX)
{
tree artype;
- artype = TREE_TYPE (TREE_TYPE (arg));
- arg = build1 (REALPART_EXPR, artype, arg);
+ artype = TREE_TYPE (TREE_TYPE (args[0]));
+ args[0] = fold_build1 (REALPART_EXPR, artype, args[0]);
}
- se->expr = build_fix_expr (&se->pre, arg, type, op);
+ se->expr = build_fix_expr (&se->pre, args[0], type, op);
}
}
{
tree arg;
- arg = gfc_conv_intrinsic_function_args (se, expr);
- arg = TREE_VALUE (arg);
- se->expr = build1 (IMAGPART_EXPR, TREE_TYPE (TREE_TYPE (arg)), arg);
+ gfc_conv_intrinsic_function_args (se, expr, &arg, 1);
+ se->expr = fold_build1 (IMAGPART_EXPR, TREE_TYPE (TREE_TYPE (arg)), arg);
}
{
tree arg;
- arg = gfc_conv_intrinsic_function_args (se, expr);
- arg = TREE_VALUE (arg);
- se->expr = build1 (CONJ_EXPR, TREE_TYPE (arg), arg);
+ gfc_conv_intrinsic_function_args (se, expr, &arg, 1);
+ se->expr = fold_build1 (CONJ_EXPR, TREE_TYPE (arg), arg);
}
if (m->libm_name)
{
- gcc_assert (ts->kind == 4 || ts->kind == 8 || ts->kind == 10
- || ts->kind == 16);
- snprintf (name, sizeof (name), "%s%s%s",
- ts->type == BT_COMPLEX ? "c" : "",
- m->name,
- ts->kind == 4 ? "f" : "");
+ if (ts->kind == 4)
+ snprintf (name, sizeof (name), "%s%s%s",
+ ts->type == BT_COMPLEX ? "c" : "", m->name, "f");
+ else if (ts->kind == 8)
+ snprintf (name, sizeof (name), "%s%s",
+ ts->type == BT_COMPLEX ? "c" : "", m->name);
+ else
+ {
+ gcc_assert (ts->kind == 10 || ts->kind == 16);
+ snprintf (name, sizeof (name), "%s%s%s",
+ ts->type == BT_COMPLEX ? "c" : "", m->name, "l");
+ }
}
else
{
gfc_conv_intrinsic_lib_function (gfc_se * se, gfc_expr * expr)
{
gfc_intrinsic_map_t *m;
- tree args;
tree fndecl;
- gfc_generic_isym_id id;
+ tree rettype;
+ tree *args;
+ unsigned int num_args;
+ gfc_isym_id id;
- id = expr->value.function.isym->generic_id;
+ id = expr->value.function.isym->id;
/* Find the entry for this function. */
for (m = gfc_intrinsic_map; m->id != GFC_ISYM_NONE; m++)
{
}
/* Get the decl and generate the call. */
- args = gfc_conv_intrinsic_function_args (se, expr);
+ num_args = gfc_intrinsic_argument_list_length (expr);
+ args = (tree *) alloca (sizeof (tree) * num_args);
+
+ gfc_conv_intrinsic_function_args (se, expr, args, num_args);
fndecl = gfc_get_intrinsic_lib_fndecl (m, expr);
- se->expr = build_function_call_expr (fndecl, args);
+ rettype = TREE_TYPE (TREE_TYPE (fndecl));
+
+ fndecl = build_addr (fndecl, current_function_decl);
+ se->expr = build_call_array (rettype, fndecl, num_args, args);
}
-/* Generate code for EXPONENT(X) intrinsic function. */
+/* The EXPONENT(s) intrinsic function is translated into
+ int ret;
+ frexp (s, &ret);
+ return ret;
+ */
static void
-gfc_conv_intrinsic_exponent (gfc_se * se, gfc_expr * expr)
+gfc_conv_intrinsic_exponent (gfc_se *se, gfc_expr *expr)
{
- tree args, fndecl;
- gfc_expr *a1;
+ tree arg, type, res, tmp;
+ int frexp;
- args = gfc_conv_intrinsic_function_args (se, expr);
-
- a1 = expr->value.function.actual->expr;
- switch (a1->ts.kind)
+ switch (expr->value.function.actual->expr->ts.kind)
{
case 4:
- fndecl = gfor_fndecl_math_exponent4;
+ frexp = BUILT_IN_FREXPF;
break;
case 8:
- fndecl = gfor_fndecl_math_exponent8;
+ frexp = BUILT_IN_FREXP;
break;
case 10:
- fndecl = gfor_fndecl_math_exponent10;
- break;
case 16:
- fndecl = gfor_fndecl_math_exponent16;
+ frexp = BUILT_IN_FREXPL;
break;
default:
gcc_unreachable ();
}
- se->expr = build_function_call_expr (fndecl, args);
+ gfc_conv_intrinsic_function_args (se, expr, &arg, 1);
+
+ res = gfc_create_var (integer_type_node, NULL);
+ tmp = build_call_expr (built_in_decls[frexp], 2, arg,
+ build_fold_addr_expr (res));
+ gfc_add_expr_to_block (&se->pre, tmp);
+
+ type = gfc_typenode_for_spec (&expr->ts);
+ se->expr = fold_convert (type, res);
}
/* Evaluate a single upper or lower bound. */
tree type;
tree bound;
tree tmp;
- tree cond;
+ tree cond, cond1, cond2, cond3, cond4, size;
+ tree ubound;
+ tree lbound;
gfc_se argse;
gfc_ss *ss;
- int i;
+ gfc_array_spec * as;
+ gfc_ref *ref;
arg = expr->value.function.actual;
arg2 = arg->next;
if (INTEGER_CST_P (bound))
{
- gcc_assert (TREE_INT_CST_HIGH (bound) == 0);
- i = TREE_INT_CST_LOW (bound);
- gcc_assert (i >= 0 && i < GFC_TYPE_ARRAY_RANK (TREE_TYPE (desc)));
+ int hi, low;
+
+ hi = TREE_INT_CST_HIGH (bound);
+ low = TREE_INT_CST_LOW (bound);
+ if (hi || low < 0 || low >= GFC_TYPE_ARRAY_RANK (TREE_TYPE (desc)))
+ gfc_error ("'dim' argument of %s intrinsic at %L is not a valid "
+ "dimension index", upper ? "UBOUND" : "LBOUND",
+ &expr->where);
}
else
{
tmp = gfc_rank_cst[GFC_TYPE_ARRAY_RANK (TREE_TYPE (desc))];
tmp = fold_build2 (GE_EXPR, boolean_type_node, bound, tmp);
cond = fold_build2 (TRUTH_ORIF_EXPR, boolean_type_node, cond, tmp);
- gfc_trans_runtime_check (cond, gfc_strconst_fault, &se->pre);
+ gfc_trans_runtime_check (true, false, cond, &se->pre, &expr->where,
+ gfc_msg_fault);
}
}
- if (upper)
- se->expr = gfc_conv_descriptor_ubound(desc, bound);
+ ubound = gfc_conv_descriptor_ubound (desc, bound);
+ lbound = gfc_conv_descriptor_lbound (desc, bound);
+
+ /* Follow any component references. */
+ if (arg->expr->expr_type == EXPR_VARIABLE
+ || arg->expr->expr_type == EXPR_CONSTANT)
+ {
+ as = arg->expr->symtree->n.sym->as;
+ for (ref = arg->expr->ref; ref; ref = ref->next)
+ {
+ switch (ref->type)
+ {
+ case REF_COMPONENT:
+ as = ref->u.c.component->as;
+ continue;
+
+ case REF_SUBSTRING:
+ continue;
+
+ case REF_ARRAY:
+ {
+ switch (ref->u.ar.type)
+ {
+ case AR_ELEMENT:
+ case AR_SECTION:
+ case AR_UNKNOWN:
+ as = NULL;
+ continue;
+
+ case AR_FULL:
+ break;
+ }
+ break;
+ }
+ }
+ }
+ }
+ else
+ as = NULL;
+
+ /* 13.14.53: Result value for LBOUND
+
+ Case (i): For an array section or for an array expression other than a
+ whole array or array structure component, LBOUND(ARRAY, DIM)
+ has the value 1. For a whole array or array structure
+ component, LBOUND(ARRAY, DIM) has the value:
+ (a) equal to the lower bound for subscript DIM of ARRAY if
+ dimension DIM of ARRAY does not have extent zero
+ or if ARRAY is an assumed-size array of rank DIM,
+ or (b) 1 otherwise.
+
+ 13.14.113: Result value for UBOUND
+
+ Case (i): For an array section or for an array expression other than a
+ whole array or array structure component, UBOUND(ARRAY, DIM)
+ has the value equal to the number of elements in the given
+ dimension; otherwise, it has a value equal to the upper bound
+ for subscript DIM of ARRAY if dimension DIM of ARRAY does
+ not have size zero and has value zero if dimension DIM has
+ size zero. */
+
+ if (as)
+ {
+ tree stride = gfc_conv_descriptor_stride (desc, bound);
+
+ cond1 = fold_build2 (GE_EXPR, boolean_type_node, ubound, lbound);
+ cond2 = fold_build2 (LE_EXPR, boolean_type_node, ubound, lbound);
+
+ cond3 = fold_build2 (GE_EXPR, boolean_type_node, stride,
+ gfc_index_zero_node);
+ cond3 = fold_build2 (TRUTH_AND_EXPR, boolean_type_node, cond3, cond1);
+
+ cond4 = fold_build2 (LT_EXPR, boolean_type_node, stride,
+ gfc_index_zero_node);
+ cond4 = fold_build2 (TRUTH_AND_EXPR, boolean_type_node, cond4, cond2);
+
+ if (upper)
+ {
+ cond = fold_build2 (TRUTH_OR_EXPR, boolean_type_node, cond3, cond4);
+
+ se->expr = fold_build3 (COND_EXPR, gfc_array_index_type, cond,
+ ubound, gfc_index_zero_node);
+ }
+ else
+ {
+ if (as->type == AS_ASSUMED_SIZE)
+ cond = fold_build2 (EQ_EXPR, boolean_type_node, bound,
+ build_int_cst (TREE_TYPE (bound),
+ arg->expr->rank - 1));
+ else
+ cond = boolean_false_node;
+
+ cond1 = fold_build2 (TRUTH_OR_EXPR, boolean_type_node, cond3, cond4);
+ cond = fold_build2 (TRUTH_OR_EXPR, boolean_type_node, cond, cond1);
+
+ se->expr = fold_build3 (COND_EXPR, gfc_array_index_type, cond,
+ lbound, gfc_index_one_node);
+ }
+ }
else
- se->expr = gfc_conv_descriptor_lbound(desc, bound);
+ {
+ if (upper)
+ {
+ size = fold_build2 (MINUS_EXPR, gfc_array_index_type, ubound, lbound);
+ se->expr = fold_build2 (PLUS_EXPR, gfc_array_index_type, size,
+ gfc_index_one_node);
+ se->expr = fold_build2 (MAX_EXPR, gfc_array_index_type, se->expr,
+ gfc_index_zero_node);
+ }
+ else
+ se->expr = gfc_index_one_node;
+ }
type = gfc_typenode_for_spec (&expr->ts);
se->expr = convert (type, se->expr);
static void
gfc_conv_intrinsic_abs (gfc_se * se, gfc_expr * expr)
{
- tree args;
- tree val;
+ tree arg;
int n;
- args = gfc_conv_intrinsic_function_args (se, expr);
- gcc_assert (args && TREE_CHAIN (args) == NULL_TREE);
- val = TREE_VALUE (args);
+ gfc_conv_intrinsic_function_args (se, expr, &arg, 1);
switch (expr->value.function.actual->expr->ts.type)
{
case BT_INTEGER:
case BT_REAL:
- se->expr = build1 (ABS_EXPR, TREE_TYPE (val), val);
+ se->expr = fold_build1 (ABS_EXPR, TREE_TYPE (arg), arg);
break;
case BT_COMPLEX:
default:
gcc_unreachable ();
}
- se->expr = build_function_call_expr (built_in_decls[n], args);
+ se->expr = build_call_expr (built_in_decls[n], 1, arg);
break;
default:
static void
gfc_conv_intrinsic_cmplx (gfc_se * se, gfc_expr * expr, int both)
{
- tree arg;
tree real;
tree imag;
tree type;
+ tree *args;
+ unsigned int num_args;
+
+ num_args = gfc_intrinsic_argument_list_length (expr);
+ args = (tree *) alloca (sizeof (tree) * num_args);
type = gfc_typenode_for_spec (&expr->ts);
- arg = gfc_conv_intrinsic_function_args (se, expr);
- real = convert (TREE_TYPE (type), TREE_VALUE (arg));
+ gfc_conv_intrinsic_function_args (se, expr, args, num_args);
+ real = convert (TREE_TYPE (type), args[0]);
if (both)
- imag = convert (TREE_TYPE (type), TREE_VALUE (TREE_CHAIN (arg)));
- else if (TREE_CODE (TREE_TYPE (TREE_VALUE (arg))) == COMPLEX_TYPE)
+ imag = convert (TREE_TYPE (type), args[1]);
+ else if (TREE_CODE (TREE_TYPE (args[0])) == COMPLEX_TYPE)
{
- arg = TREE_VALUE (arg);
- imag = build1 (IMAGPART_EXPR, TREE_TYPE (TREE_TYPE (arg)), arg);
+ imag = fold_build1 (IMAGPART_EXPR, TREE_TYPE (TREE_TYPE (args[0])),
+ args[0]);
imag = convert (TREE_TYPE (type), imag);
}
else
static void
gfc_conv_intrinsic_mod (gfc_se * se, gfc_expr * expr, int modulo)
{
- tree arg;
- tree arg2;
tree type;
tree itype;
tree tmp;
tree test;
tree test2;
mpfr_t huge;
- int n;
+ int n, ikind;
+ tree args[2];
- arg = gfc_conv_intrinsic_function_args (se, expr);
- arg2 = TREE_VALUE (TREE_CHAIN (arg));
- arg = TREE_VALUE (arg);
- type = TREE_TYPE (arg);
+ gfc_conv_intrinsic_function_args (se, expr, args, 2);
switch (expr->ts.type)
{
case BT_INTEGER:
/* Integer case is easy, we've got a builtin op. */
+ type = TREE_TYPE (args[0]);
+
if (modulo)
- se->expr = build2 (FLOOR_MOD_EXPR, type, arg, arg2);
+ se->expr = fold_build2 (FLOOR_MOD_EXPR, type, args[0], args[1]);
else
- se->expr = build2 (TRUNC_MOD_EXPR, type, arg, arg2);
+ se->expr = fold_build2 (TRUNC_MOD_EXPR, type, args[0], args[1]);
break;
case BT_REAL:
- /* Real values we have to do the hard way. */
- arg = gfc_evaluate_now (arg, &se->pre);
- arg2 = gfc_evaluate_now (arg2, &se->pre);
+ n = END_BUILTINS;
+ /* Check if we have a builtin fmod. */
+ switch (expr->ts.kind)
+ {
+ case 4:
+ n = BUILT_IN_FMODF;
+ break;
+
+ case 8:
+ n = BUILT_IN_FMOD;
+ break;
+
+ case 10:
+ case 16:
+ n = BUILT_IN_FMODL;
+ break;
+
+ default:
+ break;
+ }
+
+ /* Use it if it exists. */
+ if (n != END_BUILTINS)
+ {
+ tmp = build_addr (built_in_decls[n], current_function_decl);
+ se->expr = build_call_array (TREE_TYPE (TREE_TYPE (built_in_decls[n])),
+ tmp, 2, args);
+ if (modulo == 0)
+ return;
+ }
+
+ type = TREE_TYPE (args[0]);
+
+ args[0] = gfc_evaluate_now (args[0], &se->pre);
+ args[1] = gfc_evaluate_now (args[1], &se->pre);
+
+ /* Definition:
+ modulo = arg - floor (arg/arg2) * arg2, so
+ = test ? fmod (arg, arg2) : fmod (arg, arg2) + arg2,
+ where
+ test = (fmod (arg, arg2) != 0) && ((arg < 0) xor (arg2 < 0))
+ thereby avoiding another division and retaining the accuracy
+ of the builtin function. */
+ if (n != END_BUILTINS && modulo)
+ {
+ tree zero = gfc_build_const (type, integer_zero_node);
+ tmp = gfc_evaluate_now (se->expr, &se->pre);
+ test = fold_build2 (LT_EXPR, boolean_type_node, args[0], zero);
+ test2 = fold_build2 (LT_EXPR, boolean_type_node, args[1], zero);
+ test2 = fold_build2 (TRUTH_XOR_EXPR, boolean_type_node, test, test2);
+ test = fold_build2 (NE_EXPR, boolean_type_node, tmp, zero);
+ test = fold_build2 (TRUTH_AND_EXPR, boolean_type_node, test, test2);
+ test = gfc_evaluate_now (test, &se->pre);
+ se->expr = fold_build3 (COND_EXPR, type, test,
+ fold_build2 (PLUS_EXPR, type, tmp, args[1]),
+ tmp);
+ return;
+ }
+
+ /* If we do not have a built_in fmod, the calculation is going to
+ have to be done longhand. */
+ tmp = fold_build2 (RDIV_EXPR, type, args[0], args[1]);
- tmp = build2 (RDIV_EXPR, type, arg, arg2);
/* Test if the value is too large to handle sensibly. */
gfc_set_model_kind (expr->ts.kind);
mpfr_init (huge);
- n = gfc_validate_kind (BT_INTEGER, expr->ts.kind, false);
+ n = gfc_validate_kind (BT_INTEGER, expr->ts.kind, true);
+ ikind = expr->ts.kind;
+ if (n < 0)
+ {
+ n = gfc_validate_kind (BT_INTEGER, gfc_max_integer_kind, false);
+ ikind = gfc_max_integer_kind;
+ }
mpfr_set_z (huge, gfc_integer_kinds[n].huge, GFC_RND_MODE);
test = gfc_conv_mpfr_to_tree (huge, expr->ts.kind);
- test2 = build2 (LT_EXPR, boolean_type_node, tmp, test);
+ test2 = fold_build2 (LT_EXPR, boolean_type_node, tmp, test);
mpfr_neg (huge, huge, GFC_RND_MODE);
test = gfc_conv_mpfr_to_tree (huge, expr->ts.kind);
- test = build2 (GT_EXPR, boolean_type_node, tmp, test);
- test2 = build2 (TRUTH_AND_EXPR, boolean_type_node, test, test2);
+ test = fold_build2 (GT_EXPR, boolean_type_node, tmp, test);
+ test2 = fold_build2 (TRUTH_AND_EXPR, boolean_type_node, test, test2);
- itype = gfc_get_int_type (expr->ts.kind);
+ itype = gfc_get_int_type (ikind);
if (modulo)
- tmp = build_fix_expr (&se->pre, tmp, itype, FIX_FLOOR_EXPR);
+ tmp = build_fix_expr (&se->pre, tmp, itype, RND_FLOOR);
else
- tmp = build_fix_expr (&se->pre, tmp, itype, FIX_TRUNC_EXPR);
+ tmp = build_fix_expr (&se->pre, tmp, itype, RND_TRUNC);
tmp = convert (type, tmp);
- tmp = build3 (COND_EXPR, type, test2, tmp, arg);
- tmp = build2 (MULT_EXPR, type, tmp, arg2);
- se->expr = build2 (MINUS_EXPR, type, arg, tmp);
+ tmp = fold_build3 (COND_EXPR, type, test2, tmp, args[0]);
+ tmp = fold_build2 (MULT_EXPR, type, tmp, args[1]);
+ se->expr = fold_build2 (MINUS_EXPR, type, args[0], tmp);
mpfr_clear (huge);
break;
static void
gfc_conv_intrinsic_dim (gfc_se * se, gfc_expr * expr)
{
- tree arg;
- tree arg2;
tree val;
tree tmp;
tree type;
tree zero;
+ tree args[2];
- arg = gfc_conv_intrinsic_function_args (se, expr);
- arg2 = TREE_VALUE (TREE_CHAIN (arg));
- arg = TREE_VALUE (arg);
- type = TREE_TYPE (arg);
+ gfc_conv_intrinsic_function_args (se, expr, args, 2);
+ type = TREE_TYPE (args[0]);
- val = build2 (MINUS_EXPR, type, arg, arg2);
+ val = fold_build2 (MINUS_EXPR, type, args[0], args[1]);
val = gfc_evaluate_now (val, &se->pre);
zero = gfc_build_const (type, integer_zero_node);
- tmp = build2 (LE_EXPR, boolean_type_node, val, zero);
- se->expr = build3 (COND_EXPR, type, tmp, zero, val);
+ tmp = fold_build2 (LE_EXPR, boolean_type_node, val, zero);
+ se->expr = fold_build3 (COND_EXPR, type, tmp, zero, val);
}
/* SIGN(A, B) is absolute value of A times sign of B.
The real value versions use library functions to ensure the correct
handling of negative zero. Integer case implemented as:
- SIGN(A, B) = ((a >= 0) .xor. (b >= 0)) ? a : -a
+ SIGN(A, B) = { tmp = (A ^ B) >> C; (A + tmp) ^ tmp }
*/
static void
gfc_conv_intrinsic_sign (gfc_se * se, gfc_expr * expr)
{
tree tmp;
- tree arg;
- tree arg2;
tree type;
- tree zero;
- tree testa;
- tree testb;
+ tree args[2];
-
- arg = gfc_conv_intrinsic_function_args (se, expr);
+ gfc_conv_intrinsic_function_args (se, expr, args, 2);
if (expr->ts.type == BT_REAL)
{
switch (expr->ts.kind)
default:
gcc_unreachable ();
}
- se->expr = build_function_call_expr (tmp, arg);
+ se->expr = build_call_expr (tmp, 2, args[0], args[1]);
return;
}
- arg2 = TREE_VALUE (TREE_CHAIN (arg));
- arg = TREE_VALUE (arg);
- type = TREE_TYPE (arg);
- zero = gfc_build_const (type, integer_zero_node);
-
- testa = fold_build2 (GE_EXPR, boolean_type_node, arg, zero);
- testb = fold_build2 (GE_EXPR, boolean_type_node, arg2, zero);
- tmp = fold_build2 (TRUTH_XOR_EXPR, boolean_type_node, testa, testb);
- se->expr = fold_build3 (COND_EXPR, type, tmp,
- build1 (NEGATE_EXPR, type, arg), arg);
+ /* Having excluded floating point types, we know we are now dealing
+ with signed integer types. */
+ type = TREE_TYPE (args[0]);
+
+ /* Args[0] is used multiple times below. */
+ args[0] = gfc_evaluate_now (args[0], &se->pre);
+
+ /* Construct (A ^ B) >> 31, which generates a bit mask of all zeros if
+ the signs of A and B are the same, and of all ones if they differ. */
+ tmp = fold_build2 (BIT_XOR_EXPR, type, args[0], args[1]);
+ tmp = fold_build2 (RSHIFT_EXPR, type, tmp,
+ build_int_cst (type, TYPE_PRECISION (type) - 1));
+ tmp = gfc_evaluate_now (tmp, &se->pre);
+
+ /* Construct (A + tmp) ^ tmp, which is A if tmp is zero, and -A if tmp]
+ is all ones (i.e. -1). */
+ se->expr = fold_build2 (BIT_XOR_EXPR, type,
+ fold_build2 (PLUS_EXPR, type, args[0], tmp),
+ tmp);
}
static void
gfc_conv_intrinsic_dprod (gfc_se * se, gfc_expr * expr)
{
- tree arg;
- tree arg2;
tree type;
+ tree args[2];
- arg = gfc_conv_intrinsic_function_args (se, expr);
- arg2 = TREE_VALUE (TREE_CHAIN (arg));
- arg = TREE_VALUE (arg);
+ gfc_conv_intrinsic_function_args (se, expr, args, 2);
/* Convert the args to double precision before multiplying. */
type = gfc_typenode_for_spec (&expr->ts);
- arg = convert (type, arg);
- arg2 = convert (type, arg2);
- se->expr = build2 (MULT_EXPR, type, arg, arg2);
+ args[0] = convert (type, args[0]);
+ args[1] = convert (type, args[1]);
+ se->expr = fold_build2 (MULT_EXPR, type, args[0], args[1]);
}
static void
gfc_conv_intrinsic_char (gfc_se * se, gfc_expr * expr)
{
- tree arg;
+ tree arg[2];
tree var;
tree type;
+ unsigned int num_args;
- arg = gfc_conv_intrinsic_function_args (se, expr);
- arg = TREE_VALUE (arg);
+ num_args = gfc_intrinsic_argument_list_length (expr);
+ gfc_conv_intrinsic_function_args (se, expr, arg, num_args);
- /* We currently don't support character types != 1. */
- gcc_assert (expr->ts.kind == 1);
- type = gfc_character1_type_node;
+ type = gfc_get_char_type (expr->ts.kind);
var = gfc_create_var (type, "char");
- arg = convert (type, arg);
- gfc_add_modify_expr (&se->pre, var, arg);
+ arg[0] = fold_build1 (NOP_EXPR, type, arg[0]);
+ gfc_add_modify (&se->pre, var, arg[0]);
se->expr = gfc_build_addr_expr (build_pointer_type (type), var);
se->string_length = integer_one_node;
}
tree var;
tree len;
tree tmp;
- tree arglist;
- tree type;
tree cond;
- tree gfc_int8_type_node = gfc_get_int_type (8);
+ tree fndecl;
+ tree *args;
+ unsigned int num_args;
+
+ num_args = gfc_intrinsic_argument_list_length (expr) + 2;
+ args = (tree *) alloca (sizeof (tree) * num_args);
- type = build_pointer_type (gfc_character1_type_node);
- var = gfc_create_var (type, "pstr");
- len = gfc_create_var (gfc_int8_type_node, "len");
+ var = gfc_create_var (pchar_type_node, "pstr");
+ len = gfc_create_var (gfc_get_int_type (8), "len");
- tmp = gfc_conv_intrinsic_function_args (se, expr);
- arglist = gfc_chainon_list (NULL_TREE, build_fold_addr_expr (var));
- arglist = gfc_chainon_list (arglist, build_fold_addr_expr (len));
- arglist = chainon (arglist, tmp);
+ gfc_conv_intrinsic_function_args (se, expr, &args[2], num_args - 2);
+ args[0] = build_fold_addr_expr (var);
+ args[1] = build_fold_addr_expr (len);
- tmp = build_function_call_expr (gfor_fndecl_ctime, arglist);
+ fndecl = build_addr (gfor_fndecl_ctime, current_function_decl);
+ tmp = build_call_array (TREE_TYPE (TREE_TYPE (gfor_fndecl_ctime)),
+ fndecl, num_args, args);
gfc_add_expr_to_block (&se->pre, tmp);
/* Free the temporary afterwards, if necessary. */
- cond = build2 (GT_EXPR, boolean_type_node, len,
- build_int_cst (TREE_TYPE (len), 0));
- arglist = gfc_chainon_list (NULL_TREE, var);
- tmp = build_function_call_expr (gfor_fndecl_internal_free, arglist);
+ cond = fold_build2 (GT_EXPR, boolean_type_node,
+ len, build_int_cst (TREE_TYPE (len), 0));
+ tmp = gfc_call_free (var);
tmp = build3_v (COND_EXPR, cond, tmp, build_empty_stmt ());
gfc_add_expr_to_block (&se->post, tmp);
tree var;
tree len;
tree tmp;
- tree arglist;
- tree type;
tree cond;
- tree gfc_int4_type_node = gfc_get_int_type (4);
+ tree fndecl;
+ tree *args;
+ unsigned int num_args;
- type = build_pointer_type (gfc_character1_type_node);
- var = gfc_create_var (type, "pstr");
- len = gfc_create_var (gfc_int4_type_node, "len");
+ num_args = gfc_intrinsic_argument_list_length (expr) + 2;
+ args = (tree *) alloca (sizeof (tree) * num_args);
- tmp = gfc_conv_intrinsic_function_args (se, expr);
- arglist = gfc_chainon_list (NULL_TREE, build_fold_addr_expr (var));
- arglist = gfc_chainon_list (arglist, build_fold_addr_expr (len));
- arglist = chainon (arglist, tmp);
+ var = gfc_create_var (pchar_type_node, "pstr");
+ len = gfc_create_var (gfc_get_int_type (4), "len");
- tmp = build_function_call_expr (gfor_fndecl_fdate, arglist);
+ gfc_conv_intrinsic_function_args (se, expr, &args[2], num_args - 2);
+ args[0] = build_fold_addr_expr (var);
+ args[1] = build_fold_addr_expr (len);
+
+ fndecl = build_addr (gfor_fndecl_fdate, current_function_decl);
+ tmp = build_call_array (TREE_TYPE (TREE_TYPE (gfor_fndecl_fdate)),
+ fndecl, num_args, args);
gfc_add_expr_to_block (&se->pre, tmp);
/* Free the temporary afterwards, if necessary. */
- cond = build2 (GT_EXPR, boolean_type_node, len,
- build_int_cst (TREE_TYPE (len), 0));
- arglist = gfc_chainon_list (NULL_TREE, var);
- tmp = build_function_call_expr (gfor_fndecl_internal_free, arglist);
+ cond = fold_build2 (GT_EXPR, boolean_type_node,
+ len, build_int_cst (TREE_TYPE (len), 0));
+ tmp = gfc_call_free (var);
tmp = build3_v (COND_EXPR, cond, tmp, build_empty_stmt ());
gfc_add_expr_to_block (&se->post, tmp);
tree var;
tree len;
tree tmp;
- tree arglist;
- tree type;
tree cond;
- tree gfc_int4_type_node = gfc_get_int_type (4);
+ tree fndecl;
+ tree *args;
+ unsigned int num_args;
+
+ num_args = gfc_intrinsic_argument_list_length (expr) + 2;
+ args = (tree *) alloca (sizeof (tree) * num_args);
- type = build_pointer_type (gfc_character1_type_node);
- var = gfc_create_var (type, "pstr");
- len = gfc_create_var (gfc_int4_type_node, "len");
+ var = gfc_create_var (pchar_type_node, "pstr");
+ len = gfc_create_var (gfc_get_int_type (4), "len");
- tmp = gfc_conv_intrinsic_function_args (se, expr);
- arglist = gfc_chainon_list (NULL_TREE, build_fold_addr_expr (var));
- arglist = gfc_chainon_list (arglist, build_fold_addr_expr (len));
- arglist = chainon (arglist, tmp);
+ gfc_conv_intrinsic_function_args (se, expr, &args[2], num_args - 2);
+ args[0] = build_fold_addr_expr (var);
+ args[1] = build_fold_addr_expr (len);
- tmp = build_function_call_expr (gfor_fndecl_ttynam, arglist);
+ fndecl = build_addr (gfor_fndecl_ttynam, current_function_decl);
+ tmp = build_call_array (TREE_TYPE (TREE_TYPE (gfor_fndecl_ttynam)),
+ fndecl, num_args, args);
gfc_add_expr_to_block (&se->pre, tmp);
/* Free the temporary afterwards, if necessary. */
- cond = build2 (GT_EXPR, boolean_type_node, len,
- build_int_cst (TREE_TYPE (len), 0));
- arglist = gfc_chainon_list (NULL_TREE, var);
- tmp = build_function_call_expr (gfor_fndecl_internal_free, arglist);
+ cond = fold_build2 (GT_EXPR, boolean_type_node,
+ len, build_int_cst (TREE_TYPE (len), 0));
+ tmp = gfc_call_free (var);
tmp = build3_v (COND_EXPR, cond, tmp, build_empty_stmt ());
gfc_add_expr_to_block (&se->post, tmp);
/* Get the minimum/maximum value of all the parameters.
minmax (a1, a2, a3, ...)
{
- if (a2 .op. a1)
+ mvar = a1;
+ if (a2 .op. mvar || isnan(mvar))
mvar = a2;
- else
- mvar = a1;
- if (a3 .op. mvar)
+ if (a3 .op. mvar || isnan(mvar))
mvar = a3;
...
return mvar
static void
gfc_conv_intrinsic_minmax (gfc_se * se, gfc_expr * expr, int op)
{
- tree limit;
tree tmp;
tree mvar;
tree val;
tree thencase;
- tree elsecase;
- tree arg;
+ tree *args;
tree type;
+ gfc_actual_arglist *argexpr;
+ unsigned int i, nargs;
+
+ nargs = gfc_intrinsic_argument_list_length (expr);
+ args = (tree *) alloca (sizeof (tree) * nargs);
- arg = gfc_conv_intrinsic_function_args (se, expr);
+ gfc_conv_intrinsic_function_args (se, expr, args, nargs);
type = gfc_typenode_for_spec (&expr->ts);
- limit = TREE_VALUE (arg);
- if (TREE_TYPE (limit) != type)
- limit = convert (type, limit);
+ argexpr = expr->value.function.actual;
+ if (TREE_TYPE (args[0]) != type)
+ args[0] = convert (type, args[0]);
/* Only evaluate the argument once. */
- if (TREE_CODE (limit) != VAR_DECL && !TREE_CONSTANT (limit))
- limit = gfc_evaluate_now(limit, &se->pre);
+ if (TREE_CODE (args[0]) != VAR_DECL && !TREE_CONSTANT (args[0]))
+ args[0] = gfc_evaluate_now (args[0], &se->pre);
mvar = gfc_create_var (type, "M");
- elsecase = build2_v (MODIFY_EXPR, mvar, limit);
- for (arg = TREE_CHAIN (arg); arg != NULL_TREE; arg = TREE_CHAIN (arg))
+ gfc_add_modify (&se->pre, mvar, args[0]);
+ for (i = 1, argexpr = argexpr->next; i < nargs; i++)
{
- val = TREE_VALUE (arg);
- if (TREE_TYPE (val) != type)
- val = convert (type, val);
+ tree cond, isnan;
+
+ val = args[i];
+
+ /* Handle absent optional arguments by ignoring the comparison. */
+ if (argexpr->expr->expr_type == EXPR_VARIABLE
+ && argexpr->expr->symtree->n.sym->attr.optional
+ && TREE_CODE (val) == INDIRECT_REF)
+ cond = fold_build2
+ (NE_EXPR, boolean_type_node, TREE_OPERAND (val, 0),
+ build_int_cst (TREE_TYPE (TREE_OPERAND (val, 0)), 0));
+ else
+ {
+ cond = NULL_TREE;
- /* Only evaluate the argument once. */
- if (TREE_CODE (val) != VAR_DECL && !TREE_CONSTANT (val))
- val = gfc_evaluate_now(val, &se->pre);
+ /* Only evaluate the argument once. */
+ if (TREE_CODE (val) != VAR_DECL && !TREE_CONSTANT (val))
+ val = gfc_evaluate_now (val, &se->pre);
+ }
thencase = build2_v (MODIFY_EXPR, mvar, convert (type, val));
- tmp = build2 (op, boolean_type_node, val, limit);
- tmp = build3_v (COND_EXPR, tmp, thencase, elsecase);
+ tmp = fold_build2 (op, boolean_type_node, convert (type, val), mvar);
+
+ /* FIXME: When the IEEE_ARITHMETIC module is implemented, the call to
+ __builtin_isnan might be made dependent on that module being loaded,
+ to help performance of programs that don't rely on IEEE semantics. */
+ if (FLOAT_TYPE_P (TREE_TYPE (mvar)))
+ {
+ isnan = build_call_expr (built_in_decls[BUILT_IN_ISNAN], 1, mvar);
+ tmp = fold_build2 (TRUTH_OR_EXPR, boolean_type_node, tmp,
+ fold_convert (boolean_type_node, isnan));
+ }
+ tmp = build3_v (COND_EXPR, tmp, thencase, build_empty_stmt ());
+
+ if (cond != NULL_TREE)
+ tmp = build3_v (COND_EXPR, cond, tmp, build_empty_stmt ());
+
gfc_add_expr_to_block (&se->pre, tmp);
- elsecase = build_empty_stmt ();
- limit = mvar;
+ argexpr = argexpr->next;
}
se->expr = mvar;
}
+/* Generate library calls for MIN and MAX intrinsics for character
+ variables. */
+static void
+gfc_conv_intrinsic_minmax_char (gfc_se * se, gfc_expr * expr, int op)
+{
+ tree *args;
+ tree var, len, fndecl, tmp, cond, function;
+ unsigned int nargs;
+
+ nargs = gfc_intrinsic_argument_list_length (expr);
+ args = (tree *) alloca (sizeof (tree) * (nargs + 4));
+ gfc_conv_intrinsic_function_args (se, expr, &args[4], nargs);
+
+ /* Create the result variables. */
+ len = gfc_create_var (gfc_charlen_type_node, "len");
+ args[0] = build_fold_addr_expr (len);
+ var = gfc_create_var (gfc_get_pchar_type (expr->ts.kind), "pstr");
+ args[1] = gfc_build_addr_expr (ppvoid_type_node, var);
+ args[2] = build_int_cst (NULL_TREE, op);
+ args[3] = build_int_cst (NULL_TREE, nargs / 2);
+
+ if (expr->ts.kind == 1)
+ function = gfor_fndecl_string_minmax;
+ else if (expr->ts.kind == 4)
+ function = gfor_fndecl_string_minmax_char4;
+ else
+ gcc_unreachable ();
+
+ /* Make the function call. */
+ fndecl = build_addr (function, current_function_decl);
+ tmp = build_call_array (TREE_TYPE (TREE_TYPE (function)), fndecl,
+ nargs + 4, args);
+ gfc_add_expr_to_block (&se->pre, tmp);
+
+ /* Free the temporary afterwards, if necessary. */
+ cond = fold_build2 (GT_EXPR, boolean_type_node,
+ len, build_int_cst (TREE_TYPE (len), 0));
+ tmp = gfc_call_free (var);
+ tmp = build3_v (COND_EXPR, cond, tmp, build_empty_stmt ());
+ gfc_add_expr_to_block (&se->post, tmp);
+
+ se->expr = var;
+ se->string_length = len;
+}
+
+
/* Create a symbol node for this intrinsic. The symbol from the frontend
has the generic name. */
gfc_conv_intrinsic_funcall (gfc_se * se, gfc_expr * expr)
{
gfc_symbol *sym;
+ tree append_args;
gcc_assert (!se->ss || se->ss->expr == expr);
gcc_assert (expr->rank == 0);
sym = gfc_get_symbol_for_expr (expr);
- gfc_conv_function_call (se, sym, expr->value.function.actual);
+
+ /* Calls to libgfortran_matmul need to be appended special arguments,
+ to be able to call the BLAS ?gemm functions if required and possible. */
+ append_args = NULL_TREE;
+ if (expr->value.function.isym->id == GFC_ISYM_MATMUL
+ && sym->ts.type != BT_LOGICAL)
+ {
+ tree cint = gfc_get_int_type (gfc_c_int_kind);
+
+ if (gfc_option.flag_external_blas
+ && (sym->ts.type == BT_REAL || sym->ts.type == BT_COMPLEX)
+ && (sym->ts.kind == gfc_default_real_kind
+ || sym->ts.kind == gfc_default_double_kind))
+ {
+ tree gemm_fndecl;
+
+ if (sym->ts.type == BT_REAL)
+ {
+ if (sym->ts.kind == gfc_default_real_kind)
+ gemm_fndecl = gfor_fndecl_sgemm;
+ else
+ gemm_fndecl = gfor_fndecl_dgemm;
+ }
+ else
+ {
+ if (sym->ts.kind == gfc_default_real_kind)
+ gemm_fndecl = gfor_fndecl_cgemm;
+ else
+ gemm_fndecl = gfor_fndecl_zgemm;
+ }
+
+ append_args = gfc_chainon_list (NULL_TREE, build_int_cst (cint, 1));
+ append_args = gfc_chainon_list
+ (append_args, build_int_cst
+ (cint, gfc_option.blas_matmul_limit));
+ append_args = gfc_chainon_list (append_args,
+ gfc_build_addr_expr (NULL_TREE,
+ gemm_fndecl));
+ }
+ else
+ {
+ append_args = gfc_chainon_list (NULL_TREE, build_int_cst (cint, 0));
+ append_args = gfc_chainon_list (append_args, build_int_cst (cint, 0));
+ append_args = gfc_chainon_list (append_args, null_pointer_node);
+ }
+ }
+
+ gfc_conv_function_call (se, sym, expr->value.function.actual, append_args);
gfc_free (sym);
}
tmp = convert (type, boolean_true_node);
else
tmp = convert (type, boolean_false_node);
- gfc_add_modify_expr (&se->pre, resvar, tmp);
+ gfc_add_modify (&se->pre, resvar, tmp);
/* Walk the arguments. */
arrayss = gfc_walk_expr (actual->expr);
/* Initialize the loop. */
gfc_conv_ss_startstride (&loop);
- gfc_conv_loop_setup (&loop);
+ gfc_conv_loop_setup (&loop, &expr->where);
gfc_mark_ss_chain_used (arrayss, 1);
/* Generate the loop body. */
tmp = convert (type, boolean_false_node);
else
tmp = convert (type, boolean_true_node);
- gfc_add_modify_expr (&block, resvar, tmp);
+ gfc_add_modify (&block, resvar, tmp);
/* And break out of the loop. */
tmp = build1_v (GOTO_EXPR, exit_label);
gfc_conv_expr_val (&arrayse, actual->expr);
gfc_add_block_to_block (&body, &arrayse.pre);
- tmp = build2 (op, boolean_type_node, arrayse.expr,
- build_int_cst (TREE_TYPE (arrayse.expr), 0));
+ tmp = fold_build2 (op, boolean_type_node, arrayse.expr,
+ build_int_cst (TREE_TYPE (arrayse.expr), 0));
tmp = build3_v (COND_EXPR, tmp, found, build_empty_stmt ());
gfc_add_expr_to_block (&body, tmp);
gfc_add_block_to_block (&body, &arrayse.post);
type = gfc_typenode_for_spec (&expr->ts);
/* Initialize the result. */
resvar = gfc_create_var (type, "count");
- gfc_add_modify_expr (&se->pre, resvar, build_int_cst (type, 0));
+ gfc_add_modify (&se->pre, resvar, build_int_cst (type, 0));
/* Walk the arguments. */
arrayss = gfc_walk_expr (actual->expr);
/* Initialize the loop. */
gfc_conv_ss_startstride (&loop);
- gfc_conv_loop_setup (&loop);
+ gfc_conv_loop_setup (&loop, &expr->where);
gfc_mark_ss_chain_used (arrayss, 1);
/* Generate the loop body. */
gfc_start_scalarized_body (&loop, &body);
- tmp = build2 (PLUS_EXPR, TREE_TYPE (resvar), resvar,
- build_int_cst (TREE_TYPE (resvar), 1));
+ tmp = fold_build2 (PLUS_EXPR, TREE_TYPE (resvar),
+ resvar, build_int_cst (TREE_TYPE (resvar), 1));
tmp = build2_v (MODIFY_EXPR, resvar, tmp);
gfc_init_se (&arrayse, NULL);
else
tmp = gfc_build_const (type, integer_one_node);
- gfc_add_modify_expr (&se->pre, resvar, tmp);
+ gfc_add_modify (&se->pre, resvar, tmp);
/* Walk the arguments. */
actual = expr->value.function.actual;
/* Initialize the loop. */
gfc_conv_ss_startstride (&loop);
- gfc_conv_loop_setup (&loop);
+ gfc_conv_loop_setup (&loop, &expr->where);
gfc_mark_ss_chain_used (arrayss, 1);
if (maskss)
gfc_conv_expr_val (&arrayse, arrayexpr);
gfc_add_block_to_block (&block, &arrayse.pre);
- tmp = build2 (op, type, resvar, arrayse.expr);
- gfc_add_modify_expr (&block, resvar, tmp);
+ tmp = fold_build2 (op, type, resvar, arrayse.expr);
+ gfc_add_modify (&block, resvar, tmp);
gfc_add_block_to_block (&block, &arrayse.post);
if (maskss)
/* Initialize the result. */
resvar = gfc_create_var (type, "val");
if (expr->ts.type == BT_LOGICAL)
- tmp = convert (type, integer_zero_node);
+ tmp = build_int_cst (type, 0);
else
tmp = gfc_build_const (type, integer_zero_node);
- gfc_add_modify_expr (&se->pre, resvar, tmp);
+ gfc_add_modify (&se->pre, resvar, tmp);
/* Walk argument #1. */
actual = expr->value.function.actual;
/* Initialize the loop. */
gfc_conv_ss_startstride (&loop);
- gfc_conv_loop_setup (&loop);
+ gfc_conv_loop_setup (&loop, &expr->where);
gfc_mark_ss_chain_used (arrayss1, 1);
gfc_mark_ss_chain_used (arrayss2, 1);
arrayse1.ss = arrayss1;
gfc_conv_expr_val (&arrayse1, arrayexpr1);
if (expr->ts.type == BT_COMPLEX)
- arrayse1.expr = build1 (CONJ_EXPR, type, arrayse1.expr);
+ arrayse1.expr = fold_build1 (CONJ_EXPR, type, arrayse1.expr);
gfc_add_block_to_block (&block, &arrayse1.pre);
/* Make the tree expression for array2. */
/* Do the actual product and sum. */
if (expr->ts.type == BT_LOGICAL)
{
- tmp = build2 (TRUTH_AND_EXPR, type, arrayse1.expr, arrayse2.expr);
- tmp = build2 (TRUTH_OR_EXPR, type, resvar, tmp);
+ tmp = fold_build2 (TRUTH_AND_EXPR, type, arrayse1.expr, arrayse2.expr);
+ tmp = fold_build2 (TRUTH_OR_EXPR, type, resvar, tmp);
}
else
{
- tmp = build2 (MULT_EXPR, type, arrayse1.expr, arrayse2.expr);
- tmp = build2 (PLUS_EXPR, type, resvar, tmp);
+ tmp = fold_build2 (MULT_EXPR, type, arrayse1.expr, arrayse2.expr);
+ tmp = fold_build2 (PLUS_EXPR, type, resvar, tmp);
}
- gfc_add_modify_expr (&block, resvar, tmp);
+ gfc_add_modify (&block, resvar, tmp);
/* Finish up the loop block and the loop. */
tmp = gfc_finish_block (&block);
tree tmp;
tree elsetmp;
tree ifbody;
+ tree offset;
gfc_loopinfo loop;
gfc_actual_arglist *actual;
gfc_ss *arrayss;
/* Initialize the result. */
pos = gfc_create_var (gfc_array_index_type, "pos");
+ offset = gfc_create_var (gfc_array_index_type, "offset");
type = gfc_typenode_for_spec (&expr->ts);
/* Walk the arguments. */
gcc_unreachable ();
}
- /* Most negative(+HUGE) for maxval, most negative (-HUGE) for minval. */
+ /* We start with the most negative possible value for MAXLOC, and the most
+ positive possible value for MINLOC. The most negative possible value is
+ -HUGE for BT_REAL and (-HUGE - 1) for BT_INTEGER; the most positive
+ possible value is HUGE in both cases. */
if (op == GT_EXPR)
tmp = fold_build1 (NEGATE_EXPR, TREE_TYPE (tmp), tmp);
- gfc_add_modify_expr (&se->pre, limit, tmp);
+ gfc_add_modify (&se->pre, limit, tmp);
+
+ if (op == GT_EXPR && expr->ts.type == BT_INTEGER)
+ tmp = fold_build2 (MINUS_EXPR, TREE_TYPE (tmp), tmp,
+ build_int_cst (type, 1));
/* Initialize the scalarizer. */
gfc_init_loopinfo (&loop);
/* Initialize the loop. */
gfc_conv_ss_startstride (&loop);
- gfc_conv_loop_setup (&loop);
+ gfc_conv_loop_setup (&loop, &expr->where);
gcc_assert (loop.dimen == 1);
/* Initialize the position to zero, following Fortran 2003. We are free
to do this because Fortran 95 allows the result of an entirely false
mask to be processor dependent. */
- gfc_add_modify_expr (&loop.pre, pos, gfc_index_zero_node);
+ gfc_add_modify (&loop.pre, pos, gfc_index_zero_node);
gfc_mark_ss_chain_used (arrayss, 1);
if (maskss)
gfc_start_block (&ifblock);
/* Assign the value to the limit... */
- gfc_add_modify_expr (&ifblock, limit, arrayse.expr);
+ gfc_add_modify (&ifblock, limit, arrayse.expr);
- /* Remember where we are. */
- gfc_add_modify_expr (&ifblock, pos, loop.loopvar[0]);
+ /* Remember where we are. An offset must be added to the loop
+ counter to obtain the required position. */
+ if (loop.from[0])
+ tmp = fold_build2 (MINUS_EXPR, gfc_array_index_type,
+ gfc_index_one_node, loop.from[0]);
+ else
+ tmp = build_int_cst (gfc_array_index_type, 1);
+
+ gfc_add_modify (&block, offset, tmp);
+
+ tmp = fold_build2 (PLUS_EXPR, TREE_TYPE (pos),
+ loop.loopvar[0], offset);
+ gfc_add_modify (&ifblock, pos, tmp);
ifbody = gfc_finish_block (&ifblock);
- /* If it is a more extreme value or pos is still zero. */
- tmp = build2 (TRUTH_OR_EXPR, boolean_type_node,
- build2 (op, boolean_type_node, arrayse.expr, limit),
- build2 (EQ_EXPR, boolean_type_node, pos, gfc_index_zero_node));
+ /* If it is a more extreme value or pos is still zero and the value
+ equal to the limit. */
+ tmp = fold_build2 (TRUTH_AND_EXPR, boolean_type_node,
+ fold_build2 (EQ_EXPR, boolean_type_node,
+ pos, gfc_index_zero_node),
+ fold_build2 (EQ_EXPR, boolean_type_node,
+ arrayse.expr, limit));
+ tmp = fold_build2 (TRUTH_OR_EXPR, boolean_type_node,
+ fold_build2 (op, boolean_type_node,
+ arrayse.expr, limit), tmp);
tmp = build3_v (COND_EXPR, tmp, ifbody, build_empty_stmt ());
gfc_add_expr_to_block (&block, tmp);
the pos variable the same way as above. */
gfc_init_block (&elseblock);
- gfc_add_modify_expr (&elseblock, pos, gfc_index_zero_node);
+ gfc_add_modify (&elseblock, pos, gfc_index_zero_node);
elsetmp = gfc_finish_block (&elseblock);
tmp = build3_v (COND_EXPR, maskse.expr, tmp, elsetmp);
}
gfc_cleanup_loop (&loop);
- /* Return a value in the range 1..SIZE(array). */
- tmp = fold_build2 (MINUS_EXPR, gfc_array_index_type, loop.from[0],
- gfc_index_one_node);
- tmp = fold_build2 (MINUS_EXPR, gfc_array_index_type, pos, tmp);
- /* And convert to the required type. */
- se->expr = convert (type, tmp);
+ se->expr = convert (type, pos);
}
static void
gcc_unreachable ();
}
- /* Most negative(-HUGE) for maxval, most positive (-HUGE) for minval. */
+ /* We start with the most negative possible value for MAXVAL, and the most
+ positive possible value for MINVAL. The most negative possible value is
+ -HUGE for BT_REAL and (-HUGE - 1) for BT_INTEGER; the most positive
+ possible value is HUGE in both cases. */
if (op == GT_EXPR)
tmp = fold_build1 (NEGATE_EXPR, TREE_TYPE (tmp), tmp);
- gfc_add_modify_expr (&se->pre, limit, tmp);
+
+ if (op == GT_EXPR && expr->ts.type == BT_INTEGER)
+ tmp = fold_build2 (MINUS_EXPR, TREE_TYPE (tmp),
+ tmp, build_int_cst (type, 1));
+
+ gfc_add_modify (&se->pre, limit, tmp);
/* Walk the arguments. */
actual = expr->value.function.actual;
/* Initialize the loop. */
gfc_conv_ss_startstride (&loop);
- gfc_conv_loop_setup (&loop);
+ gfc_conv_loop_setup (&loop, &expr->where);
gfc_mark_ss_chain_used (arrayss, 1);
if (maskss)
ifbody = build2_v (MODIFY_EXPR, limit, arrayse.expr);
/* If it is a more extreme value. */
- tmp = build2 (op, boolean_type_node, arrayse.expr, limit);
+ tmp = fold_build2 (op, boolean_type_node, arrayse.expr, limit);
tmp = build3_v (COND_EXPR, tmp, ifbody, build_empty_stmt ());
gfc_add_expr_to_block (&block, tmp);
gfc_add_block_to_block (&block, &arrayse.post);
static void
gfc_conv_intrinsic_btest (gfc_se * se, gfc_expr * expr)
{
- tree arg;
- tree arg2;
+ tree args[2];
tree type;
tree tmp;
- arg = gfc_conv_intrinsic_function_args (se, expr);
- arg2 = TREE_VALUE (TREE_CHAIN (arg));
- arg = TREE_VALUE (arg);
- type = TREE_TYPE (arg);
+ gfc_conv_intrinsic_function_args (se, expr, args, 2);
+ type = TREE_TYPE (args[0]);
- tmp = build2 (LSHIFT_EXPR, type, build_int_cst (type, 1), arg2);
- tmp = build2 (BIT_AND_EXPR, type, arg, tmp);
+ tmp = fold_build2 (LSHIFT_EXPR, type, build_int_cst (type, 1), args[1]);
+ tmp = fold_build2 (BIT_AND_EXPR, type, args[0], tmp);
tmp = fold_build2 (NE_EXPR, boolean_type_node, tmp,
build_int_cst (type, 0));
type = gfc_typenode_for_spec (&expr->ts);
static void
gfc_conv_intrinsic_bitop (gfc_se * se, gfc_expr * expr, int op)
{
- tree arg;
- tree arg2;
- tree type;
+ tree args[2];
- arg = gfc_conv_intrinsic_function_args (se, expr);
- arg2 = TREE_VALUE (TREE_CHAIN (arg));
- arg = TREE_VALUE (arg);
- type = TREE_TYPE (arg);
-
- se->expr = fold_build2 (op, type, arg, arg2);
+ gfc_conv_intrinsic_function_args (se, expr, args, 2);
+ se->expr = fold_build2 (op, TREE_TYPE (args[0]), args[0], args[1]);
}
/* Bitwise not. */
{
tree arg;
- arg = gfc_conv_intrinsic_function_args (se, expr);
- arg = TREE_VALUE (arg);
-
- se->expr = build1 (BIT_NOT_EXPR, TREE_TYPE (arg), arg);
+ gfc_conv_intrinsic_function_args (se, expr, &arg, 1);
+ se->expr = fold_build1 (BIT_NOT_EXPR, TREE_TYPE (arg), arg);
}
/* Set or clear a single bit. */
static void
gfc_conv_intrinsic_singlebitop (gfc_se * se, gfc_expr * expr, int set)
{
- tree arg;
- tree arg2;
+ tree args[2];
tree type;
tree tmp;
int op;
- arg = gfc_conv_intrinsic_function_args (se, expr);
- arg2 = TREE_VALUE (TREE_CHAIN (arg));
- arg = TREE_VALUE (arg);
- type = TREE_TYPE (arg);
+ gfc_conv_intrinsic_function_args (se, expr, args, 2);
+ type = TREE_TYPE (args[0]);
- tmp = fold_build2 (LSHIFT_EXPR, type, build_int_cst (type, 1), arg2);
+ tmp = fold_build2 (LSHIFT_EXPR, type, build_int_cst (type, 1), args[1]);
if (set)
op = BIT_IOR_EXPR;
else
op = BIT_AND_EXPR;
tmp = fold_build1 (BIT_NOT_EXPR, type, tmp);
}
- se->expr = fold_build2 (op, type, arg, tmp);
+ se->expr = fold_build2 (op, type, args[0], tmp);
}
/* Extract a sequence of bits.
static void
gfc_conv_intrinsic_ibits (gfc_se * se, gfc_expr * expr)
{
- tree arg;
- tree arg2;
- tree arg3;
+ tree args[3];
tree type;
tree tmp;
tree mask;
- arg = gfc_conv_intrinsic_function_args (se, expr);
- arg2 = TREE_CHAIN (arg);
- arg3 = TREE_VALUE (TREE_CHAIN (arg2));
- arg = TREE_VALUE (arg);
- arg2 = TREE_VALUE (arg2);
- type = TREE_TYPE (arg);
+ gfc_conv_intrinsic_function_args (se, expr, args, 3);
+ type = TREE_TYPE (args[0]);
- mask = build_int_cst (NULL_TREE, -1);
- mask = build2 (LSHIFT_EXPR, type, mask, arg3);
- mask = build1 (BIT_NOT_EXPR, type, mask);
+ mask = build_int_cst (type, -1);
+ mask = fold_build2 (LSHIFT_EXPR, type, mask, args[2]);
+ mask = fold_build1 (BIT_NOT_EXPR, type, mask);
- tmp = build2 (RSHIFT_EXPR, type, arg, arg2);
+ tmp = fold_build2 (RSHIFT_EXPR, type, args[0], args[1]);
se->expr = fold_build2 (BIT_AND_EXPR, type, tmp, mask);
}
+/* RSHIFT (I, SHIFT) = I >> SHIFT
+ LSHIFT (I, SHIFT) = I << SHIFT */
+static void
+gfc_conv_intrinsic_rlshift (gfc_se * se, gfc_expr * expr, int right_shift)
+{
+ tree args[2];
+
+ gfc_conv_intrinsic_function_args (se, expr, args, 2);
+
+ se->expr = fold_build2 (right_shift ? RSHIFT_EXPR : LSHIFT_EXPR,
+ TREE_TYPE (args[0]), args[0], args[1]);
+}
+
/* ISHFT (I, SHIFT) = (abs (shift) >= BIT_SIZE (i))
? 0
: ((shift >= 0) ? i << shift : i >> -shift)
static void
gfc_conv_intrinsic_ishft (gfc_se * se, gfc_expr * expr)
{
- tree arg;
- tree arg2;
+ tree args[2];
tree type;
tree utype;
tree tmp;
tree lshift;
tree rshift;
- arg = gfc_conv_intrinsic_function_args (se, expr);
- arg2 = TREE_VALUE (TREE_CHAIN (arg));
- arg = TREE_VALUE (arg);
- type = TREE_TYPE (arg);
- utype = gfc_unsigned_type (type);
+ gfc_conv_intrinsic_function_args (se, expr, args, 2);
+ type = TREE_TYPE (args[0]);
+ utype = unsigned_type_for (type);
- width = fold_build1 (ABS_EXPR, TREE_TYPE (arg2), arg2);
+ width = fold_build1 (ABS_EXPR, TREE_TYPE (args[1]), args[1]);
/* Left shift if positive. */
- lshift = fold_build2 (LSHIFT_EXPR, type, arg, width);
+ lshift = fold_build2 (LSHIFT_EXPR, type, args[0], width);
/* Right shift if negative.
We convert to an unsigned type because we want a logical shift.
The standard doesn't define the case of shifting negative
numbers, and we try to be compatible with other compilers, most
notably g77, here. */
- rshift = fold_convert (type, build2 (RSHIFT_EXPR, utype,
- convert (utype, arg), width));
+ rshift = fold_convert (type, fold_build2 (RSHIFT_EXPR, utype,
+ convert (utype, args[0]), width));
- tmp = fold_build2 (GE_EXPR, boolean_type_node, arg2,
- build_int_cst (TREE_TYPE (arg2), 0));
+ tmp = fold_build2 (GE_EXPR, boolean_type_node, args[1],
+ build_int_cst (TREE_TYPE (args[1]), 0));
tmp = fold_build3 (COND_EXPR, type, tmp, lshift, rshift);
/* The Fortran standard allows shift widths <= BIT_SIZE(I), whereas
gcc requires a shift width < BIT_SIZE(I), so we have to catch this
special case. */
- num_bits = build_int_cst (TREE_TYPE (arg2), TYPE_PRECISION (type));
+ num_bits = build_int_cst (TREE_TYPE (args[1]), TYPE_PRECISION (type));
cond = fold_build2 (GE_EXPR, boolean_type_node, width, num_bits);
se->expr = fold_build3 (COND_EXPR, type, cond,
build_int_cst (type, 0), tmp);
}
+
/* Circular shift. AKA rotate or barrel shift. */
+
static void
gfc_conv_intrinsic_ishftc (gfc_se * se, gfc_expr * expr)
{
- tree arg;
- tree arg2;
- tree arg3;
+ tree *args;
tree type;
tree tmp;
tree lrot;
tree rrot;
tree zero;
+ unsigned int num_args;
+
+ num_args = gfc_intrinsic_argument_list_length (expr);
+ args = (tree *) alloca (sizeof (tree) * num_args);
+
+ gfc_conv_intrinsic_function_args (se, expr, args, num_args);
- arg = gfc_conv_intrinsic_function_args (se, expr);
- arg2 = TREE_CHAIN (arg);
- arg3 = TREE_CHAIN (arg2);
- if (arg3)
+ if (num_args == 3)
{
/* Use a library function for the 3 parameter version. */
tree int4type = gfc_get_int_type (4);
- type = TREE_TYPE (TREE_VALUE (arg));
+ type = TREE_TYPE (args[0]);
/* We convert the first argument to at least 4 bytes, and
convert back afterwards. This removes the need for library
functions for all argument sizes, and function will be
aligned to at least 32 bits, so there's no loss. */
if (expr->ts.kind < 4)
- {
- tmp = convert (int4type, TREE_VALUE (arg));
- TREE_VALUE (arg) = tmp;
- }
+ args[0] = convert (int4type, args[0]);
+
/* Convert the SHIFT and SIZE args to INTEGER*4 otherwise we would
need loads of library functions. They cannot have values >
BIT_SIZE (I) so the conversion is safe. */
- TREE_VALUE (arg2) = convert (int4type, TREE_VALUE (arg2));
- TREE_VALUE (arg3) = convert (int4type, TREE_VALUE (arg3));
+ args[1] = convert (int4type, args[1]);
+ args[2] = convert (int4type, args[2]);
switch (expr->ts.kind)
{
default:
gcc_unreachable ();
}
- se->expr = build_function_call_expr (tmp, arg);
+ se->expr = build_call_expr (tmp, 3, args[0], args[1], args[2]);
/* Convert the result back to the original type, if we extended
the first argument's width above. */
if (expr->ts.kind < 4)
return;
}
- arg = TREE_VALUE (arg);
- arg2 = TREE_VALUE (arg2);
- type = TREE_TYPE (arg);
+ type = TREE_TYPE (args[0]);
/* Rotate left if positive. */
- lrot = fold_build2 (LROTATE_EXPR, type, arg, arg2);
+ lrot = fold_build2 (LROTATE_EXPR, type, args[0], args[1]);
/* Rotate right if negative. */
- tmp = fold_build1 (NEGATE_EXPR, TREE_TYPE (arg2), arg2);
- rrot = fold_build2 (RROTATE_EXPR, type, arg, tmp);
+ tmp = fold_build1 (NEGATE_EXPR, TREE_TYPE (args[1]), args[1]);
+ rrot = fold_build2 (RROTATE_EXPR, type, args[0], tmp);
- zero = build_int_cst (TREE_TYPE (arg2), 0);
- tmp = fold_build2 (GT_EXPR, boolean_type_node, arg2, zero);
+ zero = build_int_cst (TREE_TYPE (args[1]), 0);
+ tmp = fold_build2 (GT_EXPR, boolean_type_node, args[1], zero);
rrot = fold_build3 (COND_EXPR, type, tmp, lrot, rrot);
/* Do nothing if shift == 0. */
- tmp = fold_build2 (EQ_EXPR, boolean_type_node, arg2, zero);
- se->expr = fold_build3 (COND_EXPR, type, tmp, arg, rrot);
+ tmp = fold_build2 (EQ_EXPR, boolean_type_node, args[1], zero);
+ se->expr = fold_build3 (COND_EXPR, type, tmp, args[0], rrot);
}
-/* The length of a character string. */
+/* LEADZ (i) = (i == 0) ? BIT_SIZE (i)
+ : __builtin_clz(i) - (BIT_SIZE('int') - BIT_SIZE(i))
+
+ The conditional expression is necessary because the result of LEADZ(0)
+ is defined, but the result of __builtin_clz(0) is undefined for most
+ targets.
+
+ For INTEGER kinds smaller than the C 'int' type, we have to subtract the
+ difference in bit size between the argument of LEADZ and the C int. */
+
static void
-gfc_conv_intrinsic_len (gfc_se * se, gfc_expr * expr)
+gfc_conv_intrinsic_leadz (gfc_se * se, gfc_expr * expr)
{
- tree len;
- tree type;
- tree decl;
- gfc_symbol *sym;
- gfc_se argse;
- gfc_expr *arg;
-
- gcc_assert (!se->ss);
+ tree arg;
+ tree arg_type;
+ tree cond;
+ tree result_type;
+ tree leadz;
+ tree bit_size;
+ tree tmp;
+ int arg_kind;
+ int i, n, s;
- arg = expr->value.function.actual->expr;
+ gfc_conv_intrinsic_function_args (se, expr, &arg, 1);
- type = gfc_typenode_for_spec (&expr->ts);
- switch (arg->expr_type)
+ /* Which variant of __builtin_clz* should we call? */
+ arg_kind = expr->value.function.actual->expr->ts.kind;
+ i = gfc_validate_kind (BT_INTEGER, arg_kind, false);
+ switch (arg_kind)
{
- case EXPR_CONSTANT:
- len = build_int_cst (NULL_TREE, arg->value.character.length);
- break;
+ case 1:
+ case 2:
+ case 4:
+ arg_type = unsigned_type_node;
+ n = BUILT_IN_CLZ;
+ break;
- case EXPR_ARRAY:
- /* Obtain the string length from the function used by
- trans-array.c(gfc_trans_array_constructor). */
- len = NULL_TREE;
- get_array_ctor_strlen (arg->value.constructor, &len);
- break;
+ case 8:
+ arg_type = long_unsigned_type_node;
+ n = BUILT_IN_CLZL;
+ break;
- default:
- if (arg->expr_type == EXPR_VARIABLE
- && (arg->ref == NULL || (arg->ref->next == NULL
- && arg->ref->type == REF_ARRAY)))
- {
- /* This doesn't catch all cases.
- See http://gcc.gnu.org/ml/fortran/2004-06/msg00165.html
- and the surrounding thread. */
- sym = arg->symtree->n.sym;
- decl = gfc_get_symbol_decl (sym);
- if (decl == current_function_decl && sym->attr.function
+ case 16:
+ arg_type = long_long_unsigned_type_node;
+ n = BUILT_IN_CLZLL;
+ break;
+
+ default:
+ gcc_unreachable ();
+ }
+
+ /* Convert the actual argument to the proper argument type for the built-in
+ function. But the return type is of the default INTEGER kind. */
+ arg = fold_convert (arg_type, arg);
+ result_type = gfc_get_int_type (gfc_default_integer_kind);
+
+ /* Compute LEADZ for the case i .ne. 0. */
+ s = TYPE_PRECISION (arg_type) - gfc_integer_kinds[i].bit_size;
+ tmp = fold_convert (result_type, build_call_expr (built_in_decls[n], 1, arg));
+ leadz = fold_build2 (MINUS_EXPR, result_type,
+ tmp, build_int_cst (result_type, s));
+
+ /* Build BIT_SIZE. */
+ bit_size = build_int_cst (result_type, gfc_integer_kinds[i].bit_size);
+
+ /* ??? For some combinations of targets and integer kinds, the condition
+ can be avoided if CLZ_DEFINED_VALUE_AT_ZERO is used. Later. */
+ cond = fold_build2 (EQ_EXPR, boolean_type_node,
+ arg, build_int_cst (arg_type, 0));
+ se->expr = fold_build3 (COND_EXPR, result_type, cond, bit_size, leadz);
+}
+
+/* TRAILZ(i) = (i == 0) ? BIT_SIZE (i) : __builtin_ctz(i)
+
+ The conditional expression is necessary because the result of TRAILZ(0)
+ is defined, but the result of __builtin_ctz(0) is undefined for most
+ targets. */
+
+static void
+gfc_conv_intrinsic_trailz (gfc_se * se, gfc_expr *expr)
+{
+ tree arg;
+ tree arg_type;
+ tree cond;
+ tree result_type;
+ tree trailz;
+ tree bit_size;
+ int arg_kind;
+ int i, n;
+
+ gfc_conv_intrinsic_function_args (se, expr, &arg, 1);
+
+ /* Which variant of __builtin_clz* should we call? */
+ arg_kind = expr->value.function.actual->expr->ts.kind;
+ i = gfc_validate_kind (BT_INTEGER, arg_kind, false);
+ switch (expr->ts.kind)
+ {
+ case 1:
+ case 2:
+ case 4:
+ arg_type = unsigned_type_node;
+ n = BUILT_IN_CTZ;
+ break;
+
+ case 8:
+ arg_type = long_unsigned_type_node;
+ n = BUILT_IN_CTZL;
+ break;
+
+ case 16:
+ arg_type = long_long_unsigned_type_node;
+ n = BUILT_IN_CTZLL;
+ break;
+
+ default:
+ gcc_unreachable ();
+ }
+
+ /* Convert the actual argument to the proper argument type for the built-in
+ function. But the return type is of the default INTEGER kind. */
+ arg = fold_convert (arg_type, arg);
+ result_type = gfc_get_int_type (gfc_default_integer_kind);
+
+ /* Compute TRAILZ for the case i .ne. 0. */
+ trailz = fold_convert (result_type, build_call_expr (built_in_decls[n], 1, arg));
+
+ /* Build BIT_SIZE. */
+ bit_size = build_int_cst (result_type, gfc_integer_kinds[i].bit_size);
+
+ /* ??? For some combinations of targets and integer kinds, the condition
+ can be avoided if CTZ_DEFINED_VALUE_AT_ZERO is used. Later. */
+ cond = fold_build2 (EQ_EXPR, boolean_type_node,
+ arg, build_int_cst (arg_type, 0));
+ se->expr = fold_build3 (COND_EXPR, result_type, cond, bit_size, trailz);
+}
+
+/* Process an intrinsic with unspecified argument-types that has an optional
+ argument (which could be of type character), e.g. EOSHIFT. For those, we
+ need to append the string length of the optional argument if it is not
+ present and the type is really character.
+ primary specifies the position (starting at 1) of the non-optional argument
+ specifying the type and optional gives the position of the optional
+ argument in the arglist. */
+
+static void
+conv_generic_with_optional_char_arg (gfc_se* se, gfc_expr* expr,
+ unsigned primary, unsigned optional)
+{
+ gfc_actual_arglist* prim_arg;
+ gfc_actual_arglist* opt_arg;
+ unsigned cur_pos;
+ gfc_actual_arglist* arg;
+ gfc_symbol* sym;
+ tree append_args;
+
+ /* Find the two arguments given as position. */
+ cur_pos = 0;
+ prim_arg = NULL;
+ opt_arg = NULL;
+ for (arg = expr->value.function.actual; arg; arg = arg->next)
+ {
+ ++cur_pos;
+
+ if (cur_pos == primary)
+ prim_arg = arg;
+ if (cur_pos == optional)
+ opt_arg = arg;
+
+ if (cur_pos >= primary && cur_pos >= optional)
+ break;
+ }
+ gcc_assert (prim_arg);
+ gcc_assert (prim_arg->expr);
+ gcc_assert (opt_arg);
+
+ /* If we do have type CHARACTER and the optional argument is really absent,
+ append a dummy 0 as string length. */
+ append_args = NULL_TREE;
+ if (prim_arg->expr->ts.type == BT_CHARACTER && !opt_arg->expr)
+ {
+ tree dummy;
+
+ dummy = build_int_cst (gfc_charlen_type_node, 0);
+ append_args = gfc_chainon_list (append_args, dummy);
+ }
+
+ /* Build the call itself. */
+ sym = gfc_get_symbol_for_expr (expr);
+ gfc_conv_function_call (se, sym, expr->value.function.actual, append_args);
+ gfc_free (sym);
+}
+
+
+/* The length of a character string. */
+static void
+gfc_conv_intrinsic_len (gfc_se * se, gfc_expr * expr)
+{
+ tree len;
+ tree type;
+ tree decl;
+ gfc_symbol *sym;
+ gfc_se argse;
+ gfc_expr *arg;
+ gfc_ss *ss;
+
+ gcc_assert (!se->ss);
+
+ arg = expr->value.function.actual->expr;
+
+ type = gfc_typenode_for_spec (&expr->ts);
+ switch (arg->expr_type)
+ {
+ case EXPR_CONSTANT:
+ len = build_int_cst (NULL_TREE, arg->value.character.length);
+ break;
+
+ case EXPR_ARRAY:
+ /* Obtain the string length from the function used by
+ trans-array.c(gfc_trans_array_constructor). */
+ len = NULL_TREE;
+ get_array_ctor_strlen (&se->pre, arg->value.constructor, &len);
+ break;
+
+ case EXPR_VARIABLE:
+ if (arg->ref == NULL
+ || (arg->ref->next == NULL && arg->ref->type == REF_ARRAY))
+ {
+ /* This doesn't catch all cases.
+ See http://gcc.gnu.org/ml/fortran/2004-06/msg00165.html
+ and the surrounding thread. */
+ sym = arg->symtree->n.sym;
+ decl = gfc_get_symbol_decl (sym);
+ if (decl == current_function_decl && sym->attr.function
&& (sym->result == sym))
- decl = gfc_get_fake_result_decl (sym, 0);
-
- len = sym->ts.cl->backend_decl;
- gcc_assert (len);
- }
- else
- {
- /* Anybody stupid enough to do this deserves inefficient code. */
- gfc_init_se (&argse, se);
- gfc_conv_expr (&argse, arg);
- gfc_add_block_to_block (&se->pre, &argse.pre);
- gfc_add_block_to_block (&se->post, &argse.post);
- len = argse.string_length;
+ decl = gfc_get_fake_result_decl (sym, 0);
+
+ len = sym->ts.cl->backend_decl;
+ gcc_assert (len);
+ break;
}
+
+ /* Otherwise fall through. */
+
+ default:
+ /* Anybody stupid enough to do this deserves inefficient code. */
+ ss = gfc_walk_expr (arg);
+ gfc_init_se (&argse, se);
+ if (ss == gfc_ss_terminator)
+ gfc_conv_expr (&argse, arg);
+ else
+ gfc_conv_expr_descriptor (&argse, arg, ss);
+ gfc_add_block_to_block (&se->pre, &argse.pre);
+ gfc_add_block_to_block (&se->post, &argse.post);
+ len = argse.string_length;
break;
}
se->expr = convert (type, len);
static void
gfc_conv_intrinsic_len_trim (gfc_se * se, gfc_expr * expr)
{
- tree args;
- tree type;
+ int kind = expr->value.function.actual->expr->ts.kind;
+ tree args[2], type, fndecl;
- args = gfc_conv_intrinsic_function_args (se, expr);
+ gfc_conv_intrinsic_function_args (se, expr, args, 2);
type = gfc_typenode_for_spec (&expr->ts);
- se->expr = build_function_call_expr (gfor_fndecl_string_len_trim, args);
+
+ if (kind == 1)
+ fndecl = gfor_fndecl_string_len_trim;
+ else if (kind == 4)
+ fndecl = gfor_fndecl_string_len_trim_char4;
+ else
+ gcc_unreachable ();
+
+ se->expr = build_call_expr (fndecl, 2, args[0], args[1]);
se->expr = convert (type, se->expr);
}
/* Returns the starting position of a substring within a string. */
static void
-gfc_conv_intrinsic_index (gfc_se * se, gfc_expr * expr)
+gfc_conv_intrinsic_index_scan_verify (gfc_se * se, gfc_expr * expr,
+ tree function)
{
tree logical4_type_node = gfc_get_logical_type (4);
- tree args;
- tree back;
tree type;
- tree tmp;
+ tree fndecl;
+ tree *args;
+ unsigned int num_args;
+
+ args = (tree *) alloca (sizeof (tree) * 5);
+
+ /* Get number of arguments; characters count double due to the
+ string length argument. Kind= is not passed to the library
+ and thus ignored. */
+ if (expr->value.function.actual->next->next->expr == NULL)
+ num_args = 4;
+ else
+ num_args = 5;
- args = gfc_conv_intrinsic_function_args (se, expr);
+ gfc_conv_intrinsic_function_args (se, expr, args, num_args);
type = gfc_typenode_for_spec (&expr->ts);
- tmp = gfc_advance_chain (args, 3);
- if (TREE_CHAIN (tmp) == NULL_TREE)
- {
- back = tree_cons (NULL_TREE, build_int_cst (logical4_type_node, 0),
- NULL_TREE);
- TREE_CHAIN (tmp) = back;
- }
+
+ if (num_args == 4)
+ args[4] = build_int_cst (logical4_type_node, 0);
else
- {
- back = TREE_CHAIN (tmp);
- TREE_VALUE (back) = convert (logical4_type_node, TREE_VALUE (back));
- }
+ args[4] = convert (logical4_type_node, args[4]);
- se->expr = build_function_call_expr (gfor_fndecl_string_index, args);
+ fndecl = build_addr (function, current_function_decl);
+ se->expr = build_call_array (TREE_TYPE (TREE_TYPE (function)), fndecl,
+ 5, args);
se->expr = convert (type, se->expr);
+
}
/* The ascii value for a single character. */
static void
gfc_conv_intrinsic_ichar (gfc_se * se, gfc_expr * expr)
{
- tree arg;
- tree type;
+ tree args[2], type, pchartype;
- arg = gfc_conv_intrinsic_function_args (se, expr);
- arg = TREE_VALUE (TREE_CHAIN (arg));
- gcc_assert (POINTER_TYPE_P (TREE_TYPE (arg)));
- arg = build1 (NOP_EXPR, pchar_type_node, arg);
+ gfc_conv_intrinsic_function_args (se, expr, args, 2);
+ gcc_assert (POINTER_TYPE_P (TREE_TYPE (args[1])));
+ pchartype = gfc_get_pchar_type (expr->value.function.actual->expr->ts.kind);
+ args[1] = fold_build1 (NOP_EXPR, pchartype, args[1]);
type = gfc_typenode_for_spec (&expr->ts);
- se->expr = build_fold_indirect_ref (arg);
+ se->expr = build_fold_indirect_ref (args[1]);
se->expr = convert (type, se->expr);
}
+/* Intrinsic ISNAN calls __builtin_isnan. */
+
+static void
+gfc_conv_intrinsic_isnan (gfc_se * se, gfc_expr * expr)
+{
+ tree arg;
+
+ gfc_conv_intrinsic_function_args (se, expr, &arg, 1);
+ se->expr = build_call_expr (built_in_decls[BUILT_IN_ISNAN], 1, arg);
+ STRIP_TYPE_NOPS (se->expr);
+ se->expr = fold_convert (gfc_typenode_for_spec (&expr->ts), se->expr);
+}
+
+
+/* Intrinsics IS_IOSTAT_END and IS_IOSTAT_EOR just need to compare
+ their argument against a constant integer value. */
+
+static void
+gfc_conv_has_intvalue (gfc_se * se, gfc_expr * expr, const int value)
+{
+ tree arg;
+
+ gfc_conv_intrinsic_function_args (se, expr, &arg, 1);
+ se->expr = fold_build2 (EQ_EXPR, gfc_typenode_for_spec (&expr->ts),
+ arg, build_int_cst (TREE_TYPE (arg), value));
+}
+
+
+
/* MERGE (tsource, fsource, mask) = mask ? tsource : fsource. */
static void
gfc_conv_intrinsic_merge (gfc_se * se, gfc_expr * expr)
{
- tree arg;
tree tsource;
tree fsource;
tree mask;
tree type;
tree len;
+ tree *args;
+ unsigned int num_args;
- arg = gfc_conv_intrinsic_function_args (se, expr);
+ num_args = gfc_intrinsic_argument_list_length (expr);
+ args = (tree *) alloca (sizeof (tree) * num_args);
+
+ gfc_conv_intrinsic_function_args (se, expr, args, num_args);
if (expr->ts.type != BT_CHARACTER)
{
- tsource = TREE_VALUE (arg);
- arg = TREE_CHAIN (arg);
- fsource = TREE_VALUE (arg);
- mask = TREE_VALUE (TREE_CHAIN (arg));
+ tsource = args[0];
+ fsource = args[1];
+ mask = args[2];
}
else
{
/* We do the same as in the non-character case, but the argument
list is different because of the string length arguments. We
also have to set the string length for the result. */
- len = TREE_VALUE (arg);
- arg = TREE_CHAIN (arg);
- tsource = TREE_VALUE (arg);
- arg = TREE_CHAIN (TREE_CHAIN (arg));
- fsource = TREE_VALUE (arg);
- mask = TREE_VALUE (TREE_CHAIN (arg));
+ len = args[0];
+ tsource = args[1];
+ fsource = args[3];
+ mask = args[4];
se->string_length = len;
}
type = TREE_TYPE (tsource);
- se->expr = fold_build3 (COND_EXPR, type, mask, tsource, fsource);
+ se->expr = fold_build3 (COND_EXPR, type, mask, tsource,
+ fold_convert (type, fsource));
+}
+
+
+/* FRACTION (s) is translated into frexp (s, &dummy_int). */
+static void
+gfc_conv_intrinsic_fraction (gfc_se * se, gfc_expr * expr)
+{
+ tree arg, type, tmp;
+ int frexp;
+
+ switch (expr->ts.kind)
+ {
+ case 4:
+ frexp = BUILT_IN_FREXPF;
+ break;
+ case 8:
+ frexp = BUILT_IN_FREXP;
+ break;
+ case 10:
+ case 16:
+ frexp = BUILT_IN_FREXPL;
+ break;
+ default:
+ gcc_unreachable ();
+ }
+
+ type = gfc_typenode_for_spec (&expr->ts);
+ gfc_conv_intrinsic_function_args (se, expr, &arg, 1);
+ tmp = gfc_create_var (integer_type_node, NULL);
+ se->expr = build_call_expr (built_in_decls[frexp], 2,
+ fold_convert (type, arg),
+ build_fold_addr_expr (tmp));
+ se->expr = fold_convert (type, se->expr);
+}
+
+
+/* NEAREST (s, dir) is translated into
+ tmp = copysign (INF, dir);
+ return nextafter (s, tmp);
+ */
+static void
+gfc_conv_intrinsic_nearest (gfc_se * se, gfc_expr * expr)
+{
+ tree args[2], type, tmp;
+ int nextafter, copysign, inf;
+
+ switch (expr->ts.kind)
+ {
+ case 4:
+ nextafter = BUILT_IN_NEXTAFTERF;
+ copysign = BUILT_IN_COPYSIGNF;
+ inf = BUILT_IN_INFF;
+ break;
+ case 8:
+ nextafter = BUILT_IN_NEXTAFTER;
+ copysign = BUILT_IN_COPYSIGN;
+ inf = BUILT_IN_INF;
+ break;
+ case 10:
+ case 16:
+ nextafter = BUILT_IN_NEXTAFTERL;
+ copysign = BUILT_IN_COPYSIGNL;
+ inf = BUILT_IN_INFL;
+ break;
+ default:
+ gcc_unreachable ();
+ }
+
+ type = gfc_typenode_for_spec (&expr->ts);
+ gfc_conv_intrinsic_function_args (se, expr, args, 2);
+ tmp = build_call_expr (built_in_decls[copysign], 2,
+ build_call_expr (built_in_decls[inf], 0),
+ fold_convert (type, args[1]));
+ se->expr = build_call_expr (built_in_decls[nextafter], 2,
+ fold_convert (type, args[0]), tmp);
+ se->expr = fold_convert (type, se->expr);
+}
+
+
+/* SPACING (s) is translated into
+ int e;
+ if (s == 0)
+ res = tiny;
+ else
+ {
+ frexp (s, &e);
+ e = e - prec;
+ e = MAX_EXPR (e, emin);
+ res = scalbn (1., e);
+ }
+ return res;
+
+ where prec is the precision of s, gfc_real_kinds[k].digits,
+ emin is min_exponent - 1, gfc_real_kinds[k].min_exponent - 1,
+ and tiny is tiny(s), gfc_real_kinds[k].tiny. */
+
+static void
+gfc_conv_intrinsic_spacing (gfc_se * se, gfc_expr * expr)
+{
+ tree arg, type, prec, emin, tiny, res, e;
+ tree cond, tmp;
+ int frexp, scalbn, k;
+ stmtblock_t block;
+
+ k = gfc_validate_kind (BT_REAL, expr->ts.kind, false);
+ prec = build_int_cst (NULL_TREE, gfc_real_kinds[k].digits);
+ emin = build_int_cst (NULL_TREE, gfc_real_kinds[k].min_exponent - 1);
+ tiny = gfc_conv_mpfr_to_tree (gfc_real_kinds[k].tiny, expr->ts.kind);
+
+ switch (expr->ts.kind)
+ {
+ case 4:
+ frexp = BUILT_IN_FREXPF;
+ scalbn = BUILT_IN_SCALBNF;
+ break;
+ case 8:
+ frexp = BUILT_IN_FREXP;
+ scalbn = BUILT_IN_SCALBN;
+ break;
+ case 10:
+ case 16:
+ frexp = BUILT_IN_FREXPL;
+ scalbn = BUILT_IN_SCALBNL;
+ break;
+ default:
+ gcc_unreachable ();
+ }
+
+ gfc_conv_intrinsic_function_args (se, expr, &arg, 1);
+ arg = gfc_evaluate_now (arg, &se->pre);
+
+ type = gfc_typenode_for_spec (&expr->ts);
+ e = gfc_create_var (integer_type_node, NULL);
+ res = gfc_create_var (type, NULL);
+
+
+ /* Build the block for s /= 0. */
+ gfc_start_block (&block);
+ tmp = build_call_expr (built_in_decls[frexp], 2, arg,
+ build_fold_addr_expr (e));
+ gfc_add_expr_to_block (&block, tmp);
+
+ tmp = fold_build2 (MINUS_EXPR, integer_type_node, e, prec);
+ gfc_add_modify (&block, e, fold_build2 (MAX_EXPR, integer_type_node,
+ tmp, emin));
+
+ tmp = build_call_expr (built_in_decls[scalbn], 2,
+ build_real_from_int_cst (type, integer_one_node), e);
+ gfc_add_modify (&block, res, tmp);
+
+ /* Finish by building the IF statement. */
+ cond = fold_build2 (EQ_EXPR, boolean_type_node, arg,
+ build_real_from_int_cst (type, integer_zero_node));
+ tmp = build3_v (COND_EXPR, cond, build2_v (MODIFY_EXPR, res, tiny),
+ gfc_finish_block (&block));
+
+ gfc_add_expr_to_block (&se->pre, tmp);
+ se->expr = res;
+}
+
+
+/* RRSPACING (s) is translated into
+ int e;
+ real x;
+ x = fabs (s);
+ if (x != 0)
+ {
+ frexp (s, &e);
+ x = scalbn (x, precision - e);
+ }
+ return x;
+
+ where precision is gfc_real_kinds[k].digits. */
+
+static void
+gfc_conv_intrinsic_rrspacing (gfc_se * se, gfc_expr * expr)
+{
+ tree arg, type, e, x, cond, stmt, tmp;
+ int frexp, scalbn, fabs, prec, k;
+ stmtblock_t block;
+
+ k = gfc_validate_kind (BT_REAL, expr->ts.kind, false);
+ prec = gfc_real_kinds[k].digits;
+ switch (expr->ts.kind)
+ {
+ case 4:
+ frexp = BUILT_IN_FREXPF;
+ scalbn = BUILT_IN_SCALBNF;
+ fabs = BUILT_IN_FABSF;
+ break;
+ case 8:
+ frexp = BUILT_IN_FREXP;
+ scalbn = BUILT_IN_SCALBN;
+ fabs = BUILT_IN_FABS;
+ break;
+ case 10:
+ case 16:
+ frexp = BUILT_IN_FREXPL;
+ scalbn = BUILT_IN_SCALBNL;
+ fabs = BUILT_IN_FABSL;
+ break;
+ default:
+ gcc_unreachable ();
+ }
+
+ type = gfc_typenode_for_spec (&expr->ts);
+ gfc_conv_intrinsic_function_args (se, expr, &arg, 1);
+ arg = gfc_evaluate_now (arg, &se->pre);
+
+ e = gfc_create_var (integer_type_node, NULL);
+ x = gfc_create_var (type, NULL);
+ gfc_add_modify (&se->pre, x,
+ build_call_expr (built_in_decls[fabs], 1, arg));
+
+
+ gfc_start_block (&block);
+ tmp = build_call_expr (built_in_decls[frexp], 2, arg,
+ build_fold_addr_expr (e));
+ gfc_add_expr_to_block (&block, tmp);
+
+ tmp = fold_build2 (MINUS_EXPR, integer_type_node,
+ build_int_cst (NULL_TREE, prec), e);
+ tmp = build_call_expr (built_in_decls[scalbn], 2, x, tmp);
+ gfc_add_modify (&block, x, tmp);
+ stmt = gfc_finish_block (&block);
+
+ cond = fold_build2 (NE_EXPR, boolean_type_node, x,
+ build_real_from_int_cst (type, integer_zero_node));
+ tmp = build3_v (COND_EXPR, cond, stmt, build_empty_stmt ());
+ gfc_add_expr_to_block (&se->pre, tmp);
+
+ se->expr = fold_convert (type, x);
+}
+
+
+/* SCALE (s, i) is translated into scalbn (s, i). */
+static void
+gfc_conv_intrinsic_scale (gfc_se * se, gfc_expr * expr)
+{
+ tree args[2], type;
+ int scalbn;
+
+ switch (expr->ts.kind)
+ {
+ case 4:
+ scalbn = BUILT_IN_SCALBNF;
+ break;
+ case 8:
+ scalbn = BUILT_IN_SCALBN;
+ break;
+ case 10:
+ case 16:
+ scalbn = BUILT_IN_SCALBNL;
+ break;
+ default:
+ gcc_unreachable ();
+ }
+
+ type = gfc_typenode_for_spec (&expr->ts);
+ gfc_conv_intrinsic_function_args (se, expr, args, 2);
+ se->expr = build_call_expr (built_in_decls[scalbn], 2,
+ fold_convert (type, args[0]),
+ fold_convert (integer_type_node, args[1]));
+ se->expr = fold_convert (type, se->expr);
+}
+
+
+/* SET_EXPONENT (s, i) is translated into
+ scalbn (frexp (s, &dummy_int), i). */
+static void
+gfc_conv_intrinsic_set_exponent (gfc_se * se, gfc_expr * expr)
+{
+ tree args[2], type, tmp;
+ int frexp, scalbn;
+
+ switch (expr->ts.kind)
+ {
+ case 4:
+ frexp = BUILT_IN_FREXPF;
+ scalbn = BUILT_IN_SCALBNF;
+ break;
+ case 8:
+ frexp = BUILT_IN_FREXP;
+ scalbn = BUILT_IN_SCALBN;
+ break;
+ case 10:
+ case 16:
+ frexp = BUILT_IN_FREXPL;
+ scalbn = BUILT_IN_SCALBNL;
+ break;
+ default:
+ gcc_unreachable ();
+ }
+
+ type = gfc_typenode_for_spec (&expr->ts);
+ gfc_conv_intrinsic_function_args (se, expr, args, 2);
+
+ tmp = gfc_create_var (integer_type_node, NULL);
+ tmp = build_call_expr (built_in_decls[frexp], 2,
+ fold_convert (type, args[0]),
+ build_fold_addr_expr (tmp));
+ se->expr = build_call_expr (built_in_decls[scalbn], 2, tmp,
+ fold_convert (integer_type_node, args[1]));
+ se->expr = fold_convert (type, se->expr);
}
gfc_conv_intrinsic_size (gfc_se * se, gfc_expr * expr)
{
gfc_actual_arglist *actual;
- tree args;
+ tree arg1;
tree type;
- tree fndecl;
+ tree fncall0;
+ tree fncall1;
gfc_se argse;
gfc_ss *ss;
gfc_conv_expr_descriptor (&argse, actual->expr, ss);
gfc_add_block_to_block (&se->pre, &argse.pre);
gfc_add_block_to_block (&se->post, &argse.post);
- args = gfc_chainon_list (NULL_TREE, argse.expr);
+ arg1 = gfc_evaluate_now (argse.expr, &se->pre);
+
+ /* Build the call to size0. */
+ fncall0 = build_call_expr (gfor_fndecl_size0, 1, arg1);
actual = actual->next;
+
if (actual->expr)
{
gfc_init_se (&argse, NULL);
- gfc_conv_expr_type (&argse, actual->expr, gfc_array_index_type);
+ gfc_conv_expr_type (&argse, actual->expr,
+ gfc_array_index_type);
gfc_add_block_to_block (&se->pre, &argse.pre);
- args = gfc_chainon_list (args, argse.expr);
- fndecl = gfor_fndecl_size1;
+
+ /* Build the call to size1. */
+ fncall1 = build_call_expr (gfor_fndecl_size1, 2,
+ arg1, argse.expr);
+
+ /* Unusually, for an intrinsic, size does not exclude
+ an optional arg2, so we must test for it. */
+ if (actual->expr->expr_type == EXPR_VARIABLE
+ && actual->expr->symtree->n.sym->attr.dummy
+ && actual->expr->symtree->n.sym->attr.optional)
+ {
+ tree tmp;
+ gfc_init_se (&argse, NULL);
+ argse.want_pointer = 1;
+ argse.data_not_needed = 1;
+ gfc_conv_expr (&argse, actual->expr);
+ gfc_add_block_to_block (&se->pre, &argse.pre);
+ tmp = fold_build2 (NE_EXPR, boolean_type_node,
+ argse.expr, null_pointer_node);
+ tmp = gfc_evaluate_now (tmp, &se->pre);
+ se->expr = fold_build3 (COND_EXPR, pvoid_type_node,
+ tmp, fncall1, fncall0);
+ }
+ else
+ se->expr = fncall1;
}
else
- fndecl = gfor_fndecl_size0;
+ se->expr = fncall0;
- se->expr = build_function_call_expr (fndecl, args);
type = gfc_typenode_for_spec (&expr->ts);
se->expr = convert (type, se->expr);
}
-/* Intrinsic string comparison functions. */
+/* Helper function to compute the size of a character variable,
+ excluding the terminating null characters. The result has
+ gfc_array_index_type type. */
- static void
-gfc_conv_intrinsic_strcmp (gfc_se * se, gfc_expr * expr, int op)
+static tree
+size_of_string_in_bytes (int kind, tree string_length)
{
+ tree bytesize;
+ int i = gfc_validate_kind (BT_CHARACTER, kind, false);
+
+ bytesize = build_int_cst (gfc_array_index_type,
+ gfc_character_kinds[i].bit_size / 8);
+
+ return fold_build2 (MULT_EXPR, gfc_array_index_type, bytesize,
+ fold_convert (gfc_array_index_type, string_length));
+}
+
+
+static void
+gfc_conv_intrinsic_sizeof (gfc_se *se, gfc_expr *expr)
+{
+ gfc_expr *arg;
+ gfc_ss *ss;
+ gfc_se argse;
+ tree source;
+ tree source_bytes;
tree type;
- tree args;
- tree arg2;
+ tree tmp;
+ tree lower;
+ tree upper;
+ int n;
- args = gfc_conv_intrinsic_function_args (se, expr);
- arg2 = TREE_CHAIN (TREE_CHAIN (args));
+ arg = expr->value.function.actual->expr;
- se->expr = gfc_build_compare_string (TREE_VALUE (args),
- TREE_VALUE (TREE_CHAIN (args)), TREE_VALUE (arg2),
- TREE_VALUE (TREE_CHAIN (arg2)));
+ gfc_init_se (&argse, NULL);
+ ss = gfc_walk_expr (arg);
- type = gfc_typenode_for_spec (&expr->ts);
- se->expr = fold_build2 (op, type, se->expr,
- build_int_cst (TREE_TYPE (se->expr), 0));
+ if (ss == gfc_ss_terminator)
+ {
+ gfc_conv_expr_reference (&argse, arg);
+ source = argse.expr;
+
+ type = TREE_TYPE (build_fold_indirect_ref (argse.expr));
+
+ /* Obtain the source word length. */
+ if (arg->ts.type == BT_CHARACTER)
+ se->expr = size_of_string_in_bytes (arg->ts.kind,
+ argse.string_length);
+ else
+ se->expr = fold_convert (gfc_array_index_type, size_in_bytes (type));
+ }
+ else
+ {
+ source_bytes = gfc_create_var (gfc_array_index_type, "bytes");
+ argse.want_pointer = 0;
+ gfc_conv_expr_descriptor (&argse, arg, ss);
+ source = gfc_conv_descriptor_data_get (argse.expr);
+ type = gfc_get_element_type (TREE_TYPE (argse.expr));
+
+ /* Obtain the argument's word length. */
+ if (arg->ts.type == BT_CHARACTER)
+ tmp = size_of_string_in_bytes (arg->ts.kind, argse.string_length);
+ else
+ tmp = fold_convert (gfc_array_index_type,
+ size_in_bytes (type));
+ gfc_add_modify (&argse.pre, source_bytes, tmp);
+
+ /* Obtain the size of the array in bytes. */
+ for (n = 0; n < arg->rank; n++)
+ {
+ tree idx;
+ idx = gfc_rank_cst[n];
+ lower = gfc_conv_descriptor_lbound (argse.expr, idx);
+ upper = gfc_conv_descriptor_ubound (argse.expr, idx);
+ tmp = fold_build2 (MINUS_EXPR, gfc_array_index_type,
+ upper, lower);
+ tmp = fold_build2 (PLUS_EXPR, gfc_array_index_type,
+ tmp, gfc_index_one_node);
+ tmp = fold_build2 (MULT_EXPR, gfc_array_index_type,
+ tmp, source_bytes);
+ gfc_add_modify (&argse.pre, source_bytes, tmp);
+ }
+ se->expr = source_bytes;
+ }
+
+ gfc_add_block_to_block (&se->pre, &argse.pre);
+}
+
+
+/* Intrinsic string comparison functions. */
+
+static void
+gfc_conv_intrinsic_strcmp (gfc_se * se, gfc_expr * expr, int op)
+{
+ tree args[4];
+
+ gfc_conv_intrinsic_function_args (se, expr, args, 4);
+
+ se->expr
+ = gfc_build_compare_string (args[0], args[1], args[2], args[3],
+ expr->value.function.actual->expr->ts.kind);
+ se->expr = fold_build2 (op, gfc_typenode_for_spec (&expr->ts), se->expr,
+ build_int_cst (TREE_TYPE (se->expr), 0));
}
/* Generate a call to the adjustl/adjustr library function. */
static void
gfc_conv_intrinsic_adjust (gfc_se * se, gfc_expr * expr, tree fndecl)
{
- tree args;
+ tree args[3];
tree len;
tree type;
tree var;
tree tmp;
- args = gfc_conv_intrinsic_function_args (se, expr);
- len = TREE_VALUE (args);
+ gfc_conv_intrinsic_function_args (se, expr, &args[1], 2);
+ len = args[1];
- type = TREE_TYPE (TREE_VALUE (TREE_CHAIN (args)));
+ type = TREE_TYPE (args[2]);
var = gfc_conv_string_tmp (se, type, len);
- args = tree_cons (NULL_TREE, var, args);
+ args[0] = var;
- tmp = build_function_call_expr (fndecl, args);
+ tmp = build_call_expr (fndecl, 3, args[0], args[1], args[2]);
gfc_add_expr_to_block (&se->pre, tmp);
se->expr = var;
se->string_length = len;
}
-/* A helper function for gfc_conv_intrinsic_array_transfer to compute
- the size of tree expressions in bytes. */
-static tree
-gfc_size_in_bytes (gfc_se *se, gfc_expr *e)
-{
- tree tmp;
-
- if (e->ts.type == BT_CHARACTER)
- tmp = se->string_length;
- else
- {
- if (e->rank)
- {
- tmp = gfc_get_element_type (TREE_TYPE (se->expr));
- tmp = size_in_bytes (tmp);
- }
- else
- tmp = size_in_bytes (TREE_TYPE (TREE_TYPE (se->expr)));
- }
-
- return fold_convert (gfc_array_index_type, tmp);
-}
-
-
/* Array transfer statement.
DEST(1:N) = TRANSFER (SOURCE, MOLD[, SIZE])
where:
tree tmp;
tree extent;
tree source;
+ tree source_type;
tree source_bytes;
+ tree mold_type;
tree dest_word_len;
tree size_words;
tree size_bytes;
tree lower;
tree stride;
tree stmt;
- tree args;
gfc_actual_arglist *arg;
gfc_se argse;
gfc_ss *ss;
gfc_conv_expr_reference (&argse, arg->expr);
source = argse.expr;
+ source_type = TREE_TYPE (build_fold_indirect_ref (argse.expr));
+
/* Obtain the source word length. */
- tmp = gfc_size_in_bytes (&argse, arg->expr);
+ if (arg->expr->ts.type == BT_CHARACTER)
+ tmp = size_of_string_in_bytes (arg->expr->ts.kind,
+ argse.string_length);
+ else
+ tmp = fold_convert (gfc_array_index_type,
+ size_in_bytes (source_type));
}
else
{
- gfc_init_se (&argse, NULL);
argse.want_pointer = 0;
gfc_conv_expr_descriptor (&argse, arg->expr, ss);
source = gfc_conv_descriptor_data_get (argse.expr);
+ source_type = gfc_get_element_type (TREE_TYPE (argse.expr));
/* Repack the source if not a full variable array. */
if (!(arg->expr->expr_type == EXPR_VARIABLE
&& arg->expr->ref->u.ar.type == AR_FULL))
{
tmp = build_fold_addr_expr (argse.expr);
- tmp = gfc_chainon_list (NULL_TREE, tmp);
- source = build_function_call_expr (gfor_fndecl_in_pack, tmp);
+
+ if (gfc_option.warn_array_temp)
+ gfc_warning ("Creating array temporary at %L", &expr->where);
+
+ source = build_call_expr (gfor_fndecl_in_pack, 1, tmp);
source = gfc_evaluate_now (source, &argse.pre);
/* Free the temporary. */
gfc_start_block (&block);
- tmp = convert (pvoid_type_node, source);
- tmp = gfc_chainon_list (NULL_TREE, tmp);
- tmp = build_function_call_expr (gfor_fndecl_internal_free, tmp);
+ tmp = gfc_call_free (convert (pvoid_type_node, source));
gfc_add_expr_to_block (&block, tmp);
stmt = gfc_finish_block (&block);
/* Clean up if it was repacked. */
gfc_init_block (&block);
tmp = gfc_conv_array_data (argse.expr);
- tmp = build2 (NE_EXPR, boolean_type_node, source, tmp);
+ tmp = fold_build2 (NE_EXPR, boolean_type_node, source, tmp);
tmp = build3_v (COND_EXPR, tmp, stmt, build_empty_stmt ());
gfc_add_expr_to_block (&block, tmp);
gfc_add_block_to_block (&block, &se->post);
}
/* Obtain the source word length. */
- tmp = gfc_size_in_bytes (&argse, arg->expr);
+ if (arg->expr->ts.type == BT_CHARACTER)
+ tmp = size_of_string_in_bytes (arg->expr->ts.kind,
+ argse.string_length);
+ else
+ tmp = fold_convert (gfc_array_index_type,
+ size_in_bytes (source_type));
/* Obtain the size of the array in bytes. */
extent = gfc_create_var (gfc_array_index_type, NULL);
{
tree idx;
idx = gfc_rank_cst[n];
- gfc_add_modify_expr (&argse.pre, source_bytes, tmp);
+ gfc_add_modify (&argse.pre, source_bytes, tmp);
stride = gfc_conv_descriptor_stride (argse.expr, idx);
lower = gfc_conv_descriptor_lbound (argse.expr, idx);
upper = gfc_conv_descriptor_ubound (argse.expr, idx);
- tmp = build2 (MINUS_EXPR, gfc_array_index_type,
- upper, lower);
- gfc_add_modify_expr (&argse.pre, extent, tmp);
- tmp = build2 (PLUS_EXPR, gfc_array_index_type,
- extent, gfc_index_one_node);
- tmp = build2 (MULT_EXPR, gfc_array_index_type,
- tmp, source_bytes);
+ tmp = fold_build2 (MINUS_EXPR, gfc_array_index_type,
+ upper, lower);
+ gfc_add_modify (&argse.pre, extent, tmp);
+ tmp = fold_build2 (PLUS_EXPR, gfc_array_index_type,
+ extent, gfc_index_one_node);
+ tmp = fold_build2 (MULT_EXPR, gfc_array_index_type,
+ tmp, source_bytes);
}
}
- gfc_add_modify_expr (&argse.pre, source_bytes, tmp);
+ gfc_add_modify (&argse.pre, source_bytes, tmp);
gfc_add_block_to_block (&se->pre, &argse.pre);
gfc_add_block_to_block (&se->post, &argse.post);
- /* Now convert MOLD. The sole output is:
+ /* Now convert MOLD. The outputs are:
+ mold_type = the TREE type of MOLD
dest_word_len = destination word length in bytes. */
arg = arg->next;
if (ss == gfc_ss_terminator)
{
gfc_conv_expr_reference (&argse, arg->expr);
-
- /* Obtain the source word length. */
- tmp = gfc_size_in_bytes (&argse, arg->expr);
+ mold_type = TREE_TYPE (build_fold_indirect_ref (argse.expr));
}
else
{
gfc_init_se (&argse, NULL);
argse.want_pointer = 0;
gfc_conv_expr_descriptor (&argse, arg->expr, ss);
-
- /* Obtain the source word length. */
- tmp = gfc_size_in_bytes (&argse, arg->expr);
+ mold_type = gfc_get_element_type (TREE_TYPE (argse.expr));
}
+ if (arg->expr->ts.type == BT_CHARACTER)
+ {
+ tmp = size_of_string_in_bytes (arg->expr->ts.kind, argse.string_length);
+ mold_type = gfc_get_character_type_len (arg->expr->ts.kind, tmp);
+ }
+ else
+ tmp = fold_convert (gfc_array_index_type,
+ size_in_bytes (mold_type));
+
dest_word_len = gfc_create_var (gfc_array_index_type, NULL);
- gfc_add_modify_expr (&se->pre, dest_word_len, tmp);
+ gfc_add_modify (&se->pre, dest_word_len, tmp);
/* Finally convert SIZE, if it is present. */
arg = arg->next;
size_bytes = gfc_create_var (gfc_array_index_type, NULL);
if (tmp != NULL_TREE)
{
- tmp = build2 (MULT_EXPR, gfc_array_index_type,
- tmp, dest_word_len);
- tmp = build2 (MIN_EXPR, gfc_array_index_type, tmp, source_bytes);
+ tmp = fold_build2 (MULT_EXPR, gfc_array_index_type,
+ tmp, dest_word_len);
+ tmp = fold_build2 (MIN_EXPR, gfc_array_index_type,
+ tmp, source_bytes);
}
else
tmp = source_bytes;
- gfc_add_modify_expr (&se->pre, size_bytes, tmp);
- gfc_add_modify_expr (&se->pre, size_words,
- build2 (CEIL_DIV_EXPR, gfc_array_index_type,
- size_bytes, dest_word_len));
+ gfc_add_modify (&se->pre, size_bytes, tmp);
+ gfc_add_modify (&se->pre, size_words,
+ fold_build2 (CEIL_DIV_EXPR, gfc_array_index_type,
+ size_bytes, dest_word_len));
/* Evaluate the bounds of the result. If the loop range exists, we have
to check if it is too large. If so, we modify loop->to be consistent
{
tmp = fold_build2 (MINUS_EXPR, gfc_array_index_type,
se->loop->to[n], se->loop->from[n]);
- tmp = build2 (PLUS_EXPR, gfc_array_index_type,
- tmp, gfc_index_one_node);
- tmp = build2 (MIN_EXPR, gfc_array_index_type,
- tmp, size_words);
- gfc_add_modify_expr (&se->pre, size_words, tmp);
- gfc_add_modify_expr (&se->pre, size_bytes,
- build2 (MULT_EXPR, gfc_array_index_type,
- size_words, dest_word_len));
- upper = build2 (PLUS_EXPR, gfc_array_index_type,
- size_words, se->loop->from[n]);
- upper = build2 (MINUS_EXPR, gfc_array_index_type,
- upper, gfc_index_one_node);
+ tmp = fold_build2 (PLUS_EXPR, gfc_array_index_type,
+ tmp, gfc_index_one_node);
+ tmp = fold_build2 (MIN_EXPR, gfc_array_index_type,
+ tmp, size_words);
+ gfc_add_modify (&se->pre, size_words, tmp);
+ gfc_add_modify (&se->pre, size_bytes,
+ fold_build2 (MULT_EXPR, gfc_array_index_type,
+ size_words, dest_word_len));
+ upper = fold_build2 (PLUS_EXPR, gfc_array_index_type,
+ size_words, se->loop->from[n]);
+ upper = fold_build2 (MINUS_EXPR, gfc_array_index_type,
+ upper, gfc_index_one_node);
}
else
{
- upper = build2 (MINUS_EXPR, gfc_array_index_type,
- size_words, gfc_index_one_node);
+ upper = fold_build2 (MINUS_EXPR, gfc_array_index_type,
+ size_words, gfc_index_one_node);
se->loop->from[n] = gfc_index_zero_node;
}
se->loop->to[n] = upper;
/* Build a destination descriptor, using the pointer, source, as the
- data field. This is already allocated so set callee_alloc. */
- tmp = gfc_typenode_for_spec (&expr->ts);
+ data field. This is already allocated so set callee_alloc.
+ FIXME callee_alloc is not set! */
+
gfc_trans_create_temp_array (&se->pre, &se->post, se->loop,
- info, tmp, false, true, false);
+ info, mold_type, false, true, false,
+ &expr->where);
- /* Use memcpy to do the transfer. */
+ /* Cast the pointer to the result. */
tmp = gfc_conv_descriptor_data_get (info->descriptor);
- args = gfc_chainon_list (NULL_TREE, tmp);
- tmp = fold_convert (pvoid_type_node, source);
- args = gfc_chainon_list (args, source);
- args = gfc_chainon_list (args, size_bytes);
- tmp = built_in_decls[BUILT_IN_MEMCPY];
- tmp = build_function_call_expr (tmp, args);
+ tmp = fold_convert (pvoid_type_node, tmp);
+
+ /* Use memcpy to do the transfer. */
+ tmp = build_call_expr (built_in_decls[BUILT_IN_MEMCPY],
+ 3,
+ tmp,
+ fold_convert (pvoid_type_node, source),
+ size_bytes);
gfc_add_expr_to_block (&se->pre, tmp);
se->expr = info->descriptor;
/* Scalar transfer statement.
- TRANSFER (source, mold) = *(typeof<mold> *)&source. */
+ TRANSFER (source, mold) = memcpy(&tmpdecl, &source, size), tmpdecl. */
static void
gfc_conv_intrinsic_transfer (gfc_se * se, gfc_expr * expr)
tree type;
tree ptr;
gfc_ss *ss;
+ tree tmpdecl, tmp;
/* Get a pointer to the source. */
arg = expr->value.function.actual;
if (ss == gfc_ss_terminator)
gfc_conv_expr_reference (&argse, arg->expr);
else
- gfc_conv_array_parameter (&argse, arg->expr, ss, 1);
+ gfc_conv_array_parameter (&argse, arg->expr, ss, 1, NULL, NULL);
gfc_add_block_to_block (&se->pre, &argse.pre);
gfc_add_block_to_block (&se->post, &argse.post);
ptr = argse.expr;
arg = arg->next;
type = gfc_typenode_for_spec (&expr->ts);
- ptr = convert (build_pointer_type (type), ptr);
+
if (expr->ts.type == BT_CHARACTER)
{
+ ptr = convert (build_pointer_type (type), ptr);
gfc_init_se (&argse, NULL);
gfc_conv_expr (&argse, arg->expr);
gfc_add_block_to_block (&se->pre, &argse.pre);
}
else
{
- se->expr = build_fold_indirect_ref (ptr);
+ tree moldsize;
+ tmpdecl = gfc_create_var (type, "transfer");
+ moldsize = size_in_bytes (type);
+
+ /* Use memcpy to do the transfer. */
+ tmp = build_fold_addr_expr (tmpdecl);
+ tmp = build_call_expr (built_in_decls[BUILT_IN_MEMCPY], 3,
+ fold_convert (pvoid_type_node, tmp),
+ fold_convert (pvoid_type_node, ptr),
+ moldsize);
+ gfc_add_expr_to_block (&se->pre, tmp);
+
+ se->expr = tmpdecl;
}
}
gfc_conv_expr_descriptor (&arg1se, arg1->expr, ss1);
tmp = gfc_conv_descriptor_data_get (arg1se.expr);
- tmp = build2 (NE_EXPR, boolean_type_node, tmp,
- fold_convert (TREE_TYPE (tmp), null_pointer_node));
+ tmp = fold_build2 (NE_EXPR, boolean_type_node,
+ tmp, fold_convert (TREE_TYPE (tmp), null_pointer_node));
se->expr = convert (gfc_typenode_for_spec (&expr->ts), tmp);
}
gfc_se arg2se;
tree tmp2;
tree tmp;
- tree args, fndecl;
tree nonzero_charlen;
tree nonzero_arraylen;
gfc_ss *ss1, *ss2;
else
{
/* A pointer to an array. */
- arg1se.descriptor_only = 1;
- gfc_conv_expr_lhs (&arg1se, arg1->expr);
+ gfc_conv_expr_descriptor (&arg1se, arg1->expr, ss1);
tmp2 = gfc_conv_descriptor_data_get (arg1se.expr);
}
- tmp = build2 (NE_EXPR, boolean_type_node, tmp2,
- fold_convert (TREE_TYPE (tmp2), null_pointer_node));
+ gfc_add_block_to_block (&se->pre, &arg1se.pre);
+ gfc_add_block_to_block (&se->post, &arg1se.post);
+ tmp = fold_build2 (NE_EXPR, boolean_type_node, tmp2,
+ fold_convert (TREE_TYPE (tmp2), null_pointer_node));
se->expr = tmp;
}
else
nonzero_charlen = NULL_TREE;
if (arg1->expr->ts.type == BT_CHARACTER)
- nonzero_charlen = build2 (NE_EXPR, boolean_type_node,
- arg1->expr->ts.cl->backend_decl,
- integer_zero_node);
+ nonzero_charlen = fold_build2 (NE_EXPR, boolean_type_node,
+ arg1->expr->ts.cl->backend_decl,
+ integer_zero_node);
if (ss1 == gfc_ss_terminator)
{
gfc_conv_expr (&arg1se, arg1->expr);
arg2se.want_pointer = 1;
gfc_conv_expr (&arg2se, arg2->expr);
- tmp = build2 (EQ_EXPR, boolean_type_node, arg1se.expr, arg2se.expr);
- se->expr = tmp;
+ gfc_add_block_to_block (&se->pre, &arg1se.pre);
+ gfc_add_block_to_block (&se->post, &arg1se.post);
+ tmp = fold_build2 (EQ_EXPR, boolean_type_node,
+ arg1se.expr, arg2se.expr);
+ tmp2 = fold_build2 (NE_EXPR, boolean_type_node,
+ arg1se.expr, null_pointer_node);
+ se->expr = fold_build2 (TRUTH_AND_EXPR, boolean_type_node,
+ tmp, tmp2);
}
else
{
-
/* An array pointer of zero length is not associated if target is
present. */
arg1se.descriptor_only = 1;
gfc_conv_expr_lhs (&arg1se, arg1->expr);
tmp = gfc_conv_descriptor_stride (arg1se.expr,
gfc_rank_cst[arg1->expr->rank - 1]);
- nonzero_arraylen = build2 (NE_EXPR, boolean_type_node,
- tmp, integer_zero_node);
+ nonzero_arraylen = fold_build2 (NE_EXPR, boolean_type_node, tmp,
+ build_int_cst (TREE_TYPE (tmp), 0));
/* A pointer to an array, call library function _gfor_associated. */
gcc_assert (ss2 != gfc_ss_terminator);
- args = NULL_TREE;
arg1se.want_pointer = 1;
gfc_conv_expr_descriptor (&arg1se, arg1->expr, ss1);
- args = gfc_chainon_list (args, arg1se.expr);
arg2se.want_pointer = 1;
gfc_conv_expr_descriptor (&arg2se, arg2->expr, ss2);
gfc_add_block_to_block (&se->pre, &arg2se.pre);
gfc_add_block_to_block (&se->post, &arg2se.post);
- args = gfc_chainon_list (args, arg2se.expr);
- fndecl = gfor_fndecl_associated;
- se->expr = build_function_call_expr (fndecl, args);
- se->expr = build2 (TRUTH_AND_EXPR, boolean_type_node,
- se->expr, nonzero_arraylen);
-
+ se->expr = build_call_expr (gfor_fndecl_associated, 2,
+ arg1se.expr, arg2se.expr);
+ se->expr = convert (boolean_type_node, se->expr);
+ se->expr = fold_build2 (TRUTH_AND_EXPR, boolean_type_node,
+ se->expr, nonzero_arraylen);
}
/* If target is present zero character length pointers cannot
be associated. */
if (nonzero_charlen != NULL_TREE)
- se->expr = build2 (TRUTH_AND_EXPR, boolean_type_node,
- se->expr, nonzero_charlen);
+ se->expr = fold_build2 (TRUTH_AND_EXPR, boolean_type_node,
+ se->expr, nonzero_charlen);
}
se->expr = convert (gfc_typenode_for_spec (&expr->ts), se->expr);
}
-/* Scan a string for any one of the characters in a set of characters. */
-
-static void
-gfc_conv_intrinsic_scan (gfc_se * se, gfc_expr * expr)
-{
- tree logical4_type_node = gfc_get_logical_type (4);
- tree args;
- tree back;
- tree type;
- tree tmp;
-
- args = gfc_conv_intrinsic_function_args (se, expr);
- type = gfc_typenode_for_spec (&expr->ts);
- tmp = gfc_advance_chain (args, 3);
- if (TREE_CHAIN (tmp) == NULL_TREE)
- {
- back = tree_cons (NULL_TREE, build_int_cst (logical4_type_node, 0),
- NULL_TREE);
- TREE_CHAIN (tmp) = back;
- }
- else
- {
- back = TREE_CHAIN (tmp);
- TREE_VALUE (back) = convert (logical4_type_node, TREE_VALUE (back));
- }
-
- se->expr = build_function_call_expr (gfor_fndecl_string_scan, args);
- se->expr = convert (type, se->expr);
-}
-
-
-/* Verify that a set of characters contains all the characters in a string
- by identifying the position of the first character in a string of
- characters that does not appear in a given set of characters. */
+/* Generate code for SELECTED_CHAR_KIND (NAME) intrinsic function. */
static void
-gfc_conv_intrinsic_verify (gfc_se * se, gfc_expr * expr)
+gfc_conv_intrinsic_sc_kind (gfc_se *se, gfc_expr *expr)
{
- tree logical4_type_node = gfc_get_logical_type (4);
- tree args;
- tree back;
- tree type;
- tree tmp;
-
- args = gfc_conv_intrinsic_function_args (se, expr);
- type = gfc_typenode_for_spec (&expr->ts);
- tmp = gfc_advance_chain (args, 3);
- if (TREE_CHAIN (tmp) == NULL_TREE)
- {
- back = tree_cons (NULL_TREE, build_int_cst (logical4_type_node, 0),
- NULL_TREE);
- TREE_CHAIN (tmp) = back;
- }
- else
- {
- back = TREE_CHAIN (tmp);
- TREE_VALUE (back) = convert (logical4_type_node, TREE_VALUE (back));
- }
+ tree args[2];
- se->expr = build_function_call_expr (gfor_fndecl_string_verify, args);
- se->expr = convert (type, se->expr);
+ gfc_conv_intrinsic_function_args (se, expr, args, 2);
+ se->expr = build_call_expr (gfor_fndecl_sc_kind, 2, args[0], args[1]);
+ se->expr = fold_convert (gfc_typenode_for_spec (&expr->ts), se->expr);
}
-/* Prepare components and related information of a real number which is
- the first argument of a elemental functions to manipulate reals. */
-
-static void
-prepare_arg_info (gfc_se * se, gfc_expr * expr,
- real_compnt_info * rcs, int all)
-{
- tree arg;
- tree masktype;
- tree tmp;
- tree wbits;
- tree one;
- tree exponent, fraction;
- int n;
- gfc_expr *a1;
-
- if (TARGET_FLOAT_FORMAT != IEEE_FLOAT_FORMAT)
- gfc_todo_error ("Non-IEEE floating format");
-
- gcc_assert (expr->expr_type == EXPR_FUNCTION);
-
- arg = gfc_conv_intrinsic_function_args (se, expr);
- arg = TREE_VALUE (arg);
- rcs->type = TREE_TYPE (arg);
-
- /* Force arg'type to integer by unaffected convert */
- a1 = expr->value.function.actual->expr;
- masktype = gfc_get_int_type (a1->ts.kind);
- rcs->mtype = masktype;
- tmp = build1 (VIEW_CONVERT_EXPR, masktype, arg);
- arg = gfc_create_var (masktype, "arg");
- gfc_add_modify_expr(&se->pre, arg, tmp);
- rcs->arg = arg;
-
- /* Calculate the numbers of bits of exponent, fraction and word */
- n = gfc_validate_kind (a1->ts.type, a1->ts.kind, false);
- tmp = build_int_cst (NULL_TREE, gfc_real_kinds[n].digits - 1);
- rcs->fdigits = convert (masktype, tmp);
- wbits = build_int_cst (NULL_TREE, TYPE_PRECISION (rcs->type) - 1);
- wbits = convert (masktype, wbits);
- rcs->edigits = fold_build2 (MINUS_EXPR, masktype, wbits, tmp);
-
- /* Form masks for exponent/fraction/sign */
- one = gfc_build_const (masktype, integer_one_node);
- rcs->smask = fold_build2 (LSHIFT_EXPR, masktype, one, wbits);
- rcs->f1 = fold_build2 (LSHIFT_EXPR, masktype, one, rcs->fdigits);
- rcs->emask = fold_build2 (MINUS_EXPR, masktype, rcs->smask, rcs->f1);
- rcs->fmask = fold_build2 (MINUS_EXPR, masktype, rcs->f1, one);
- /* Form bias. */
- tmp = fold_build2 (MINUS_EXPR, masktype, rcs->edigits, one);
- tmp = fold_build2 (LSHIFT_EXPR, masktype, one, tmp);
- rcs->bias = fold_build2 (MINUS_EXPR, masktype, tmp ,one);
-
- if (all)
- {
- /* exponent, and fraction */
- tmp = build2 (BIT_AND_EXPR, masktype, arg, rcs->emask);
- tmp = build2 (RSHIFT_EXPR, masktype, tmp, rcs->fdigits);
- exponent = gfc_create_var (masktype, "exponent");
- gfc_add_modify_expr(&se->pre, exponent, tmp);
- rcs->expn = exponent;
-
- tmp = build2 (BIT_AND_EXPR, masktype, arg, rcs->fmask);
- fraction = gfc_create_var (masktype, "fraction");
- gfc_add_modify_expr(&se->pre, fraction, tmp);
- rcs->frac = fraction;
- }
-}
-
-/* Build a call to __builtin_clz. */
-
-static tree
-call_builtin_clz (tree result_type, tree op0)
-{
- tree fn, parms, call;
- enum machine_mode op0_mode = TYPE_MODE (TREE_TYPE (op0));
-
- if (op0_mode == TYPE_MODE (integer_type_node))
- fn = built_in_decls[BUILT_IN_CLZ];
- else if (op0_mode == TYPE_MODE (long_integer_type_node))
- fn = built_in_decls[BUILT_IN_CLZL];
- else if (op0_mode == TYPE_MODE (long_long_integer_type_node))
- fn = built_in_decls[BUILT_IN_CLZLL];
- else
- gcc_unreachable ();
-
- parms = tree_cons (NULL, op0, NULL);
- call = build_function_call_expr (fn, parms);
-
- return convert (result_type, call);
-}
-
-
-/* Generate code for SPACING (X) intrinsic function.
- SPACING (X) = POW (2, e-p)
-
- We generate:
-
- t = expn - fdigits // e - p.
- res = t << fdigits // Form the exponent. Fraction is zero.
- if (t < 0) // The result is out of range. Denormalized case.
- res = tiny(X)
- */
-
-static void
-gfc_conv_intrinsic_spacing (gfc_se * se, gfc_expr * expr)
-{
- tree arg;
- tree masktype;
- tree tmp, t1, cond;
- tree tiny, zero;
- tree fdigits;
- real_compnt_info rcs;
-
- prepare_arg_info (se, expr, &rcs, 0);
- arg = rcs.arg;
- masktype = rcs.mtype;
- fdigits = rcs.fdigits;
- tiny = rcs.f1;
- zero = gfc_build_const (masktype, integer_zero_node);
- tmp = build2 (BIT_AND_EXPR, masktype, rcs.emask, arg);
- tmp = build2 (RSHIFT_EXPR, masktype, tmp, fdigits);
- tmp = build2 (MINUS_EXPR, masktype, tmp, fdigits);
- cond = build2 (LE_EXPR, boolean_type_node, tmp, zero);
- t1 = build2 (LSHIFT_EXPR, masktype, tmp, fdigits);
- tmp = build3 (COND_EXPR, masktype, cond, tiny, t1);
- tmp = build1 (VIEW_CONVERT_EXPR, rcs.type, tmp);
-
- se->expr = tmp;
-}
-
-/* Generate code for RRSPACING (X) intrinsic function.
- RRSPACING (X) = |X * POW (2, -e)| * POW (2, p) = |FRACTION (X)| * POW (2, p)
-
- So the result's exponent is p. And if X is normalized, X's fraction part
- is the result's fraction. If X is denormalized, to get the X's fraction we
- shift X's fraction part to left until the first '1' is removed.
-
- We generate:
-
- if (expn == 0 && frac == 0)
- res = 0;
- else
- {
- // edigits is the number of exponent bits. Add the sign bit.
- sedigits = edigits + 1;
-
- if (expn == 0) // Denormalized case.
- {
- t1 = leadzero (frac);
- frac = frac << (t1 + 1); //Remove the first '1'.
- frac = frac >> (sedigits); //Form the fraction.
- }
-
- //fdigits is the number of fraction bits. Form the exponent.
- t = bias + fdigits;
- res = (t << fdigits) | frac;
- }
-*/
+/* Generate code for SELECTED_INT_KIND (R) intrinsic function. */
static void
-gfc_conv_intrinsic_rrspacing (gfc_se * se, gfc_expr * expr)
+gfc_conv_intrinsic_si_kind (gfc_se *se, gfc_expr *expr)
{
- tree masktype;
- tree tmp, t1, t2, cond, cond2;
- tree one, zero;
- tree fdigits, fraction;
- real_compnt_info rcs;
-
- prepare_arg_info (se, expr, &rcs, 1);
- masktype = rcs.mtype;
- fdigits = rcs.fdigits;
- fraction = rcs.frac;
- one = gfc_build_const (masktype, integer_one_node);
- zero = gfc_build_const (masktype, integer_zero_node);
- t2 = fold_build2 (PLUS_EXPR, masktype, rcs.edigits, one);
+ tree arg, type;
- t1 = call_builtin_clz (masktype, fraction);
- tmp = build2 (PLUS_EXPR, masktype, t1, one);
- tmp = build2 (LSHIFT_EXPR, masktype, fraction, tmp);
- tmp = build2 (RSHIFT_EXPR, masktype, tmp, t2);
- cond = build2 (EQ_EXPR, boolean_type_node, rcs.expn, zero);
- fraction = build3 (COND_EXPR, masktype, cond, tmp, fraction);
+ gfc_conv_intrinsic_function_args (se, expr, &arg, 1);
- tmp = fold_build2 (PLUS_EXPR, masktype, rcs.bias, fdigits);
- tmp = fold_build2 (LSHIFT_EXPR, masktype, tmp, fdigits);
- tmp = build2 (BIT_IOR_EXPR, masktype, tmp, fraction);
+ /* The argument to SELECTED_INT_KIND is INTEGER(4). */
+ type = gfc_get_int_type (4);
+ arg = build_fold_addr_expr (fold_convert (type, arg));
- cond2 = build2 (EQ_EXPR, boolean_type_node, rcs.frac, zero);
- cond = build2 (TRUTH_ANDIF_EXPR, boolean_type_node, cond, cond2);
- tmp = build3 (COND_EXPR, masktype, cond,
- build_int_cst (masktype, 0), tmp);
-
- tmp = build1 (VIEW_CONVERT_EXPR, rcs.type, tmp);
- se->expr = tmp;
+ /* Convert it to the required type. */
+ type = gfc_typenode_for_spec (&expr->ts);
+ se->expr = build_call_expr (gfor_fndecl_si_kind, 1, arg);
+ se->expr = fold_convert (type, se->expr);
}
-/* Generate code for SELECTED_INT_KIND (R) intrinsic function. */
-
-static void
-gfc_conv_intrinsic_si_kind (gfc_se * se, gfc_expr * expr)
-{
- tree args;
-
- args = gfc_conv_intrinsic_function_args (se, expr);
- args = TREE_VALUE (args);
- args = build_fold_addr_expr (args);
- args = tree_cons (NULL_TREE, args, NULL_TREE);
- se->expr = build_function_call_expr (gfor_fndecl_si_kind, args);
-}
/* Generate code for SELECTED_REAL_KIND (P, R) intrinsic function. */
static void
-gfc_conv_intrinsic_sr_kind (gfc_se * se, gfc_expr * expr)
+gfc_conv_intrinsic_sr_kind (gfc_se *se, gfc_expr *expr)
{
gfc_actual_arglist *actual;
- tree args;
+ tree args, type;
gfc_se argse;
args = NULL_TREE;
if (actual->expr == NULL)
argse.expr = null_pointer_node;
else
- gfc_conv_expr_reference (&argse, actual->expr);
+ {
+ gfc_typespec ts;
+ gfc_clear_ts (&ts);
+
+ if (actual->expr->ts.kind != gfc_c_int_kind)
+ {
+ /* The arguments to SELECTED_REAL_KIND are INTEGER(4). */
+ ts.type = BT_INTEGER;
+ ts.kind = gfc_c_int_kind;
+ gfc_convert_type (actual->expr, &ts, 2);
+ }
+ gfc_conv_expr_reference (&argse, actual->expr);
+ }
gfc_add_block_to_block (&se->pre, &argse.pre);
gfc_add_block_to_block (&se->post, &argse.post);
args = gfc_chainon_list (args, argse.expr);
}
+
+ /* Convert it to the required type. */
+ type = gfc_typenode_for_spec (&expr->ts);
se->expr = build_function_call_expr (gfor_fndecl_sr_kind, args);
+ se->expr = fold_convert (type, se->expr);
}
static void
gfc_conv_intrinsic_trim (gfc_se * se, gfc_expr * expr)
{
- tree gfc_int4_type_node = gfc_get_int_type (4);
tree var;
tree len;
tree addr;
tree tmp;
- tree arglist;
- tree type;
tree cond;
+ tree fndecl;
+ tree function;
+ tree *args;
+ unsigned int num_args;
- arglist = NULL_TREE;
+ num_args = gfc_intrinsic_argument_list_length (expr) + 2;
+ args = (tree *) alloca (sizeof (tree) * num_args);
- type = build_pointer_type (gfc_character1_type_node);
- var = gfc_create_var (type, "pstr");
+ var = gfc_create_var (gfc_get_pchar_type (expr->ts.kind), "pstr");
addr = gfc_build_addr_expr (ppvoid_type_node, var);
- len = gfc_create_var (gfc_int4_type_node, "len");
+ len = gfc_create_var (gfc_get_int_type (4), "len");
- tmp = gfc_conv_intrinsic_function_args (se, expr);
- arglist = gfc_chainon_list (arglist, build_fold_addr_expr (len));
- arglist = gfc_chainon_list (arglist, addr);
- arglist = chainon (arglist, tmp);
+ gfc_conv_intrinsic_function_args (se, expr, &args[2], num_args - 2);
+ args[0] = build_fold_addr_expr (len);
+ args[1] = addr;
- tmp = build_function_call_expr (gfor_fndecl_string_trim, arglist);
+ if (expr->ts.kind == 1)
+ function = gfor_fndecl_string_trim;
+ else if (expr->ts.kind == 4)
+ function = gfor_fndecl_string_trim_char4;
+ else
+ gcc_unreachable ();
+
+ fndecl = build_addr (function, current_function_decl);
+ tmp = build_call_array (TREE_TYPE (TREE_TYPE (function)), fndecl,
+ num_args, args);
gfc_add_expr_to_block (&se->pre, tmp);
/* Free the temporary afterwards, if necessary. */
- cond = build2 (GT_EXPR, boolean_type_node, len,
- build_int_cst (TREE_TYPE (len), 0));
- arglist = gfc_chainon_list (NULL_TREE, var);
- tmp = build_function_call_expr (gfor_fndecl_internal_free, arglist);
+ cond = fold_build2 (GT_EXPR, boolean_type_node,
+ len, build_int_cst (TREE_TYPE (len), 0));
+ tmp = gfc_call_free (var);
tmp = build3_v (COND_EXPR, cond, tmp, build_empty_stmt ());
gfc_add_expr_to_block (&se->post, tmp);
static void
gfc_conv_intrinsic_repeat (gfc_se * se, gfc_expr * expr)
{
- tree gfc_int4_type_node = gfc_get_int_type (4);
- tree tmp;
- tree len;
- tree args;
- tree arglist;
- tree ncopies;
- tree var;
- tree type;
+ tree args[3], ncopies, dest, dlen, src, slen, ncopies_type;
+ tree type, cond, tmp, count, exit_label, n, max, largest;
+ tree size;
+ stmtblock_t block, body;
+ int i;
- args = gfc_conv_intrinsic_function_args (se, expr);
- len = TREE_VALUE (args);
- tmp = gfc_advance_chain (args, 2);
- ncopies = TREE_VALUE (tmp);
- len = fold_build2 (MULT_EXPR, gfc_int4_type_node, len, ncopies);
+ /* We store in charsize the size of a character. */
+ i = gfc_validate_kind (BT_CHARACTER, expr->ts.kind, false);
+ size = build_int_cst (size_type_node, gfc_character_kinds[i].bit_size / 8);
+
+ /* Get the arguments. */
+ gfc_conv_intrinsic_function_args (se, expr, args, 3);
+ slen = fold_convert (size_type_node, gfc_evaluate_now (args[0], &se->pre));
+ src = args[1];
+ ncopies = gfc_evaluate_now (args[2], &se->pre);
+ ncopies_type = TREE_TYPE (ncopies);
+
+ /* Check that NCOPIES is not negative. */
+ cond = fold_build2 (LT_EXPR, boolean_type_node, ncopies,
+ build_int_cst (ncopies_type, 0));
+ gfc_trans_runtime_check (true, false, cond, &se->pre, &expr->where,
+ "Argument NCOPIES of REPEAT intrinsic is negative "
+ "(its value is %lld)",
+ fold_convert (long_integer_type_node, ncopies));
+
+ /* If the source length is zero, any non negative value of NCOPIES
+ is valid, and nothing happens. */
+ n = gfc_create_var (ncopies_type, "ncopies");
+ cond = fold_build2 (EQ_EXPR, boolean_type_node, slen,
+ build_int_cst (size_type_node, 0));
+ tmp = fold_build3 (COND_EXPR, ncopies_type, cond,
+ build_int_cst (ncopies_type, 0), ncopies);
+ gfc_add_modify (&se->pre, n, tmp);
+ ncopies = n;
+
+ /* Check that ncopies is not too large: ncopies should be less than
+ (or equal to) MAX / slen, where MAX is the maximal integer of
+ the gfc_charlen_type_node type. If slen == 0, we need a special
+ case to avoid the division by zero. */
+ i = gfc_validate_kind (BT_INTEGER, gfc_charlen_int_kind, false);
+ max = gfc_conv_mpz_to_tree (gfc_integer_kinds[i].huge, gfc_charlen_int_kind);
+ max = fold_build2 (TRUNC_DIV_EXPR, size_type_node,
+ fold_convert (size_type_node, max), slen);
+ largest = TYPE_PRECISION (size_type_node) > TYPE_PRECISION (ncopies_type)
+ ? size_type_node : ncopies_type;
+ cond = fold_build2 (GT_EXPR, boolean_type_node,
+ fold_convert (largest, ncopies),
+ fold_convert (largest, max));
+ tmp = fold_build2 (EQ_EXPR, boolean_type_node, slen,
+ build_int_cst (size_type_node, 0));
+ cond = fold_build3 (COND_EXPR, boolean_type_node, tmp, boolean_false_node,
+ cond);
+ gfc_trans_runtime_check (true, false, cond, &se->pre, &expr->where,
+ "Argument NCOPIES of REPEAT intrinsic is too large");
+
+ /* Compute the destination length. */
+ dlen = fold_build2 (MULT_EXPR, gfc_charlen_type_node,
+ fold_convert (gfc_charlen_type_node, slen),
+ fold_convert (gfc_charlen_type_node, ncopies));
type = gfc_get_character_type (expr->ts.kind, expr->ts.cl);
- var = gfc_conv_string_tmp (se, build_pointer_type (type), len);
+ dest = gfc_conv_string_tmp (se, build_pointer_type (type), dlen);
+
+ /* Generate the code to do the repeat operation:
+ for (i = 0; i < ncopies; i++)
+ memmove (dest + (i * slen * size), src, slen*size); */
+ gfc_start_block (&block);
+ count = gfc_create_var (ncopies_type, "count");
+ gfc_add_modify (&block, count, build_int_cst (ncopies_type, 0));
+ exit_label = gfc_build_label_decl (NULL_TREE);
+
+ /* Start the loop body. */
+ gfc_start_block (&body);
- arglist = NULL_TREE;
- arglist = gfc_chainon_list (arglist, var);
- arglist = chainon (arglist, args);
- tmp = build_function_call_expr (gfor_fndecl_string_repeat, arglist);
+ /* Exit the loop if count >= ncopies. */
+ cond = fold_build2 (GE_EXPR, boolean_type_node, count, ncopies);
+ tmp = build1_v (GOTO_EXPR, exit_label);
+ TREE_USED (exit_label) = 1;
+ tmp = fold_build3 (COND_EXPR, void_type_node, cond, tmp,
+ build_empty_stmt ());
+ gfc_add_expr_to_block (&body, tmp);
+
+ /* Call memmove (dest + (i*slen*size), src, slen*size). */
+ tmp = fold_build2 (MULT_EXPR, gfc_charlen_type_node,
+ fold_convert (gfc_charlen_type_node, slen),
+ fold_convert (gfc_charlen_type_node, count));
+ tmp = fold_build2 (MULT_EXPR, gfc_charlen_type_node,
+ tmp, fold_convert (gfc_charlen_type_node, size));
+ tmp = fold_build2 (POINTER_PLUS_EXPR, pvoid_type_node,
+ fold_convert (pvoid_type_node, dest),
+ fold_convert (sizetype, tmp));
+ tmp = build_call_expr (built_in_decls[BUILT_IN_MEMMOVE], 3, tmp, src,
+ fold_build2 (MULT_EXPR, size_type_node, slen,
+ fold_convert (size_type_node, size)));
+ gfc_add_expr_to_block (&body, tmp);
+
+ /* Increment count. */
+ tmp = fold_build2 (PLUS_EXPR, ncopies_type,
+ count, build_int_cst (TREE_TYPE (count), 1));
+ gfc_add_modify (&body, count, tmp);
+
+ /* Build the loop. */
+ tmp = build1_v (LOOP_EXPR, gfc_finish_block (&body));
+ gfc_add_expr_to_block (&block, tmp);
+
+ /* Add the exit label. */
+ tmp = build1_v (LABEL_EXPR, exit_label);
+ gfc_add_expr_to_block (&block, tmp);
+
+ /* Finish the block. */
+ tmp = gfc_finish_block (&block);
gfc_add_expr_to_block (&se->pre, tmp);
- se->expr = var;
- se->string_length = len;
+ /* Set the result value. */
+ se->expr = dest;
+ se->string_length = dlen;
}
/* Call the library function. This always returns an INTEGER(4). */
fndecl = gfor_fndecl_iargc;
- tmp = build_function_call_expr (fndecl, NULL_TREE);
+ tmp = build_call_expr (fndecl, 0);
/* Convert it to the required type. */
type = gfc_typenode_for_spec (&expr->ts);
gfc_index_integer_kind integer. */
static void
-gfc_conv_intrinsic_loc(gfc_se * se, gfc_expr * expr)
+gfc_conv_intrinsic_loc (gfc_se * se, gfc_expr * expr)
{
tree temp_var;
gfc_expr *arg_expr;
if (ss == gfc_ss_terminator)
gfc_conv_expr_reference (se, arg_expr);
else
- gfc_conv_array_parameter (se, arg_expr, ss, 1);
- se->expr= convert (gfc_unsigned_type (long_integer_type_node),
- se->expr);
+ gfc_conv_array_parameter (se, arg_expr, ss, 1, NULL, NULL);
+ se->expr= convert (gfc_get_int_type (gfc_index_integer_kind), se->expr);
/* Create a temporary variable for loc return value. Without this,
we get an error an ICE in gcc/expr.c(expand_expr_addr_expr_1). */
- temp_var = gfc_create_var (gfc_unsigned_type (long_integer_type_node),
- NULL);
- gfc_add_modify_expr (&se->pre, temp_var, se->expr);
+ temp_var = gfc_create_var (gfc_get_int_type (gfc_index_integer_kind), NULL);
+ gfc_add_modify (&se->pre, temp_var, se->expr);
se->expr = temp_var;
}
{
gfc_intrinsic_sym *isym;
const char *name;
- int lib;
+ int lib, kind;
+ tree fndecl;
isym = expr->value.function.isym;
{
if (lib == 1)
se->ignore_optional = 1;
- gfc_conv_intrinsic_funcall (se, expr);
+
+ switch (expr->value.function.isym->id)
+ {
+ case GFC_ISYM_EOSHIFT:
+ case GFC_ISYM_PACK:
+ case GFC_ISYM_RESHAPE:
+ /* For all of those the first argument specifies the type and the
+ third is optional. */
+ conv_generic_with_optional_char_arg (se, expr, 1, 3);
+ break;
+
+ default:
+ gfc_conv_intrinsic_funcall (se, expr);
+ break;
+ }
+
return;
}
}
- switch (expr->value.function.isym->generic_id)
+ switch (expr->value.function.isym->id)
{
case GFC_ISYM_NONE:
gcc_unreachable ();
gfc_conv_intrinsic_trim (se, expr);
break;
+ case GFC_ISYM_SC_KIND:
+ gfc_conv_intrinsic_sc_kind (se, expr);
+ break;
+
case GFC_ISYM_SI_KIND:
gfc_conv_intrinsic_si_kind (se, expr);
break;
gfc_conv_intrinsic_exponent (se, expr);
break;
- case GFC_ISYM_SPACING:
- gfc_conv_intrinsic_spacing (se, expr);
- break;
-
- case GFC_ISYM_RRSPACING:
- gfc_conv_intrinsic_rrspacing (se, expr);
- break;
-
case GFC_ISYM_SCAN:
- gfc_conv_intrinsic_scan (se, expr);
+ kind = expr->value.function.actual->expr->ts.kind;
+ if (kind == 1)
+ fndecl = gfor_fndecl_string_scan;
+ else if (kind == 4)
+ fndecl = gfor_fndecl_string_scan_char4;
+ else
+ gcc_unreachable ();
+
+ gfc_conv_intrinsic_index_scan_verify (se, expr, fndecl);
break;
case GFC_ISYM_VERIFY:
- gfc_conv_intrinsic_verify (se, expr);
+ kind = expr->value.function.actual->expr->ts.kind;
+ if (kind == 1)
+ fndecl = gfor_fndecl_string_verify;
+ else if (kind == 4)
+ fndecl = gfor_fndecl_string_verify_char4;
+ else
+ gcc_unreachable ();
+
+ gfc_conv_intrinsic_index_scan_verify (se, expr, fndecl);
break;
case GFC_ISYM_ALLOCATED:
break;
case GFC_ISYM_ADJUSTL:
- gfc_conv_intrinsic_adjust (se, expr, gfor_fndecl_adjustl);
+ if (expr->ts.kind == 1)
+ fndecl = gfor_fndecl_adjustl;
+ else if (expr->ts.kind == 4)
+ fndecl = gfor_fndecl_adjustl_char4;
+ else
+ gcc_unreachable ();
+
+ gfc_conv_intrinsic_adjust (se, expr, fndecl);
break;
case GFC_ISYM_ADJUSTR:
- gfc_conv_intrinsic_adjust (se, expr, gfor_fndecl_adjustr);
+ if (expr->ts.kind == 1)
+ fndecl = gfor_fndecl_adjustr;
+ else if (expr->ts.kind == 4)
+ fndecl = gfor_fndecl_adjustr_char4;
+ else
+ gcc_unreachable ();
+
+ gfc_conv_intrinsic_adjust (se, expr, fndecl);
break;
case GFC_ISYM_AIMAG:
break;
case GFC_ISYM_AINT:
- gfc_conv_intrinsic_aint (se, expr, FIX_TRUNC_EXPR);
+ gfc_conv_intrinsic_aint (se, expr, RND_TRUNC);
break;
case GFC_ISYM_ALL:
break;
case GFC_ISYM_ANINT:
- gfc_conv_intrinsic_aint (se, expr, FIX_ROUND_EXPR);
+ gfc_conv_intrinsic_aint (se, expr, RND_ROUND);
break;
case GFC_ISYM_AND:
/* Integer conversions are handled separately to make sure we get the
correct rounding mode. */
case GFC_ISYM_INT:
- gfc_conv_intrinsic_int (se, expr, FIX_TRUNC_EXPR);
+ case GFC_ISYM_INT2:
+ case GFC_ISYM_INT8:
+ case GFC_ISYM_LONG:
+ gfc_conv_intrinsic_int (se, expr, RND_TRUNC);
break;
case GFC_ISYM_NINT:
- gfc_conv_intrinsic_int (se, expr, FIX_ROUND_EXPR);
+ gfc_conv_intrinsic_int (se, expr, RND_ROUND);
break;
case GFC_ISYM_CEILING:
- gfc_conv_intrinsic_int (se, expr, FIX_CEIL_EXPR);
+ gfc_conv_intrinsic_int (se, expr, RND_CEIL);
break;
case GFC_ISYM_FLOOR:
- gfc_conv_intrinsic_int (se, expr, FIX_FLOOR_EXPR);
+ gfc_conv_intrinsic_int (se, expr, RND_FLOOR);
break;
case GFC_ISYM_MOD:
gfc_conv_intrinsic_fdate (se, expr);
break;
+ case GFC_ISYM_FRACTION:
+ gfc_conv_intrinsic_fraction (se, expr);
+ break;
+
case GFC_ISYM_IAND:
gfc_conv_intrinsic_bitop (se, expr, BIT_AND_EXPR);
break;
break;
case GFC_ISYM_INDEX:
- gfc_conv_intrinsic_index (se, expr);
+ kind = expr->value.function.actual->expr->ts.kind;
+ if (kind == 1)
+ fndecl = gfor_fndecl_string_index;
+ else if (kind == 4)
+ fndecl = gfor_fndecl_string_index_char4;
+ else
+ gcc_unreachable ();
+
+ gfc_conv_intrinsic_index_scan_verify (se, expr, fndecl);
break;
case GFC_ISYM_IOR:
gfc_conv_intrinsic_bitop (se, expr, BIT_IOR_EXPR);
break;
+ case GFC_ISYM_IS_IOSTAT_END:
+ gfc_conv_has_intvalue (se, expr, LIBERROR_END);
+ break;
+
+ case GFC_ISYM_IS_IOSTAT_EOR:
+ gfc_conv_has_intvalue (se, expr, LIBERROR_EOR);
+ break;
+
+ case GFC_ISYM_ISNAN:
+ gfc_conv_intrinsic_isnan (se, expr);
+ break;
+
+ case GFC_ISYM_LSHIFT:
+ gfc_conv_intrinsic_rlshift (se, expr, 0);
+ break;
+
+ case GFC_ISYM_RSHIFT:
+ gfc_conv_intrinsic_rlshift (se, expr, 1);
+ break;
+
case GFC_ISYM_ISHFT:
gfc_conv_intrinsic_ishft (se, expr);
break;
gfc_conv_intrinsic_ishftc (se, expr);
break;
+ case GFC_ISYM_LEADZ:
+ gfc_conv_intrinsic_leadz (se, expr);
+ break;
+
+ case GFC_ISYM_TRAILZ:
+ gfc_conv_intrinsic_trailz (se, expr);
+ break;
+
case GFC_ISYM_LBOUND:
gfc_conv_intrinsic_bound (se, expr, 0);
break;
break;
case GFC_ISYM_MAX:
- gfc_conv_intrinsic_minmax (se, expr, GT_EXPR);
+ if (expr->ts.type == BT_CHARACTER)
+ gfc_conv_intrinsic_minmax_char (se, expr, 1);
+ else
+ gfc_conv_intrinsic_minmax (se, expr, GT_EXPR);
break;
case GFC_ISYM_MAXLOC:
break;
case GFC_ISYM_MIN:
- gfc_conv_intrinsic_minmax (se, expr, LT_EXPR);
+ if (expr->ts.type == BT_CHARACTER)
+ gfc_conv_intrinsic_minmax_char (se, expr, -1);
+ else
+ gfc_conv_intrinsic_minmax (se, expr, LT_EXPR);
break;
case GFC_ISYM_MINLOC:
gfc_conv_intrinsic_minmaxval (se, expr, LT_EXPR);
break;
+ case GFC_ISYM_NEAREST:
+ gfc_conv_intrinsic_nearest (se, expr);
+ break;
+
case GFC_ISYM_NOT:
gfc_conv_intrinsic_not (se, expr);
break;
gfc_conv_intrinsic_arith (se, expr, MULT_EXPR);
break;
+ case GFC_ISYM_RRSPACING:
+ gfc_conv_intrinsic_rrspacing (se, expr);
+ break;
+
+ case GFC_ISYM_SET_EXPONENT:
+ gfc_conv_intrinsic_set_exponent (se, expr);
+ break;
+
+ case GFC_ISYM_SCALE:
+ gfc_conv_intrinsic_scale (se, expr);
+ break;
+
case GFC_ISYM_SIGN:
gfc_conv_intrinsic_sign (se, expr);
break;
gfc_conv_intrinsic_size (se, expr);
break;
+ case GFC_ISYM_SIZEOF:
+ gfc_conv_intrinsic_sizeof (se, expr);
+ break;
+
+ case GFC_ISYM_SPACING:
+ gfc_conv_intrinsic_spacing (se, expr);
+ break;
+
case GFC_ISYM_SUM:
gfc_conv_intrinsic_arith (se, expr, PLUS_EXPR);
break;
gfc_conv_intrinsic_loc (se, expr);
break;
+ case GFC_ISYM_ACCESS:
case GFC_ISYM_CHDIR:
+ case GFC_ISYM_CHMOD:
+ case GFC_ISYM_DTIME:
case GFC_ISYM_ETIME:
case GFC_ISYM_FGET:
case GFC_ISYM_FGETC:
case GFC_ISYM_IRAND:
case GFC_ISYM_ISATTY:
case GFC_ISYM_LINK:
+ case GFC_ISYM_LSTAT:
case GFC_ISYM_MALLOC:
case GFC_ISYM_MATMUL:
+ case GFC_ISYM_MCLOCK:
+ case GFC_ISYM_MCLOCK8:
case GFC_ISYM_RAND:
case GFC_ISYM_RENAME:
case GFC_ISYM_SECOND:
gfc_conv_intrinsic_funcall (se, expr);
break;
+ case GFC_ISYM_EOSHIFT:
+ case GFC_ISYM_PACK:
+ case GFC_ISYM_RESHAPE:
+ /* For those, expr->rank should always be >0 and thus the if above the
+ switch should have matched. */
+ gcc_unreachable ();
+ break;
+
default:
gfc_conv_intrinsic_lib_function (se, expr);
break;
void
gfc_add_intrinsic_ss_code (gfc_loopinfo * loop ATTRIBUTE_UNUSED, gfc_ss * ss)
{
- switch (ss->expr->value.function.isym->generic_id)
+ switch (ss->expr->value.function.isym->id)
{
case GFC_ISYM_UBOUND:
case GFC_ISYM_LBOUND:
}
-/* Returns nonzero if the specified intrinsic function call maps directly to a
+/* Returns nonzero if the specified intrinsic function call maps directly to
an external library call. Should only be used for functions that return
arrays. */
gcc_assert (expr->expr_type == EXPR_FUNCTION && expr->value.function.isym);
gcc_assert (expr->rank > 0);
- switch (expr->value.function.isym->generic_id)
+ switch (expr->value.function.isym->id)
{
case GFC_ISYM_ALL:
case GFC_ISYM_ANY:
return gfc_walk_intrinsic_libfunc (ss, expr);
/* Special cases. */
- switch (isym->generic_id)
+ switch (isym->id)
{
case GFC_ISYM_LBOUND:
case GFC_ISYM_UBOUND:
default:
/* This probably meant someone forgot to add an intrinsic to the above
- list(s) when they implemented it, or something's gone horribly wrong.
- */
- gfc_todo_error ("Scalarization of non-elemental intrinsic: %s",
- expr->value.function.name);
+ list(s) when they implemented it, or something's gone horribly
+ wrong. */
+ gcc_unreachable ();
}
}
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