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"
enum rounding_mode { RND_ROUND, RND_TRUNC, RND_CEIL, RND_FLOOR };
-/* Evaluate the arguments to an intrinsic function. */
-/* FIXME: This function and its callers should be rewritten so that it's
- not necessary to cons up a list to hold the arguments. */
+/* 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);
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;
}
- return args;
+}
+
+/* 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 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 = 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 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] = 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
}
-/* 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));
}
break;
case RND_ROUND:
- return build_round_expr (pblock, arg, type);
+ return build_round_expr (arg, type);
+ break;
- default:
- gcc_assert (op == RND_TRUNC);
+ case RND_TRUNC:
return build1 (FIX_TRUNC_EXPR, type, arg);
+ break;
+
+ default:
+ gcc_unreachable ();
}
}
/* 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, 1);
/* 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);
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);
/* Test if the value is too large to handle sensibly. */
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 = 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] = 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);
+ gfc_conv_intrinsic_function_args (se, expr, &arg, 1);
se->expr = build1 (IMAGPART_EXPR, TREE_TYPE (TREE_TYPE (arg)), arg);
}
{
tree arg;
- arg = gfc_conv_intrinsic_function_args (se, expr);
- arg = TREE_VALUE (arg);
+ gfc_conv_intrinsic_function_args (se, expr, &arg, 1);
se->expr = build1 (CONJ_EXPR, TREE_TYPE (arg), arg);
}
gfc_conv_intrinsic_lib_function (gfc_se * se, gfc_expr * expr)
{
gfc_intrinsic_map_t *m;
- tree args;
tree fndecl;
+ tree rettype;
+ tree *args;
+ unsigned int num_args;
gfc_isym_id id;
id = expr->value.function.isym->id;
}
/* Get the decl and generate the call. */
- args = gfc_conv_intrinsic_function_args (se, expr);
+ num_args = gfc_intrinsic_argument_list_length (expr);
+ args = 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. */
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;
+ tree arg, fndecl, type;
gfc_expr *a1;
- args = gfc_conv_intrinsic_function_args (se, expr);
+ gfc_conv_intrinsic_function_args (se, expr, &arg, 1);
a1 = expr->value.function.actual->expr;
switch (a1->ts.kind)
gcc_unreachable ();
}
- se->expr = build_function_call_expr (fndecl, args);
+ /* Convert it to the required type. */
+ type = gfc_typenode_for_spec (&expr->ts);
+ se->expr = fold_convert (type, build_call_expr (fndecl, 1, arg));
}
/* Evaluate a single upper or lower bound. */
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_msg_fault, &se->pre, &expr->where);
+ gfc_trans_runtime_check (cond, &se->pre, &expr->where, gfc_msg_fault);
}
}
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 = 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 = 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 = 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 test2;
mpfr_t huge;
int n, ikind;
+ tree args[2];
- arg = gfc_conv_intrinsic_function_args (se, expr);
+ 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. */
- arg2 = TREE_VALUE (TREE_CHAIN (arg));
- arg = TREE_VALUE (arg);
- type = TREE_TYPE (arg);
+ type = TREE_TYPE (args[0]);
if (modulo)
- se->expr = build2 (FLOOR_MOD_EXPR, type, arg, arg2);
+ se->expr = build2 (FLOOR_MOD_EXPR, type, args[0], args[1]);
else
- se->expr = build2 (TRUNC_MOD_EXPR, type, arg, arg2);
+ se->expr = build2 (TRUNC_MOD_EXPR, type, args[0], args[1]);
break;
case BT_REAL:
/* Use it if it exists. */
if (n != END_BUILTINS)
{
- tmp = built_in_decls[n];
- se->expr = build_function_call_expr (tmp, arg);
+ 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;
}
- arg2 = TREE_VALUE (TREE_CHAIN (arg));
- arg = TREE_VALUE (arg);
- type = TREE_TYPE (arg);
+ type = TREE_TYPE (args[0]);
- arg = gfc_evaluate_now (arg, &se->pre);
- arg2 = gfc_evaluate_now (arg2, &se->pre);
+ 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
{
tree zero = gfc_build_const (type, integer_zero_node);
tmp = gfc_evaluate_now (se->expr, &se->pre);
- test = build2 (LT_EXPR, boolean_type_node, arg, zero);
- test2 = build2 (LT_EXPR, boolean_type_node, arg2, zero);
+ test = build2 (LT_EXPR, boolean_type_node, args[0], zero);
+ test2 = build2 (LT_EXPR, boolean_type_node, args[1], zero);
test2 = build2 (TRUTH_XOR_EXPR, boolean_type_node, test, test2);
test = build2 (NE_EXPR, boolean_type_node, tmp, zero);
test = build2 (TRUTH_AND_EXPR, boolean_type_node, test, test2);
test = gfc_evaluate_now (test, &se->pre);
se->expr = build3 (COND_EXPR, type, test,
- build2 (PLUS_EXPR, type, tmp, arg2), tmp);
+ 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 = build2 (RDIV_EXPR, type, arg, arg2);
+ tmp = build2 (RDIV_EXPR, type, args[0], args[1]);
/* Test if the value is too large to handle sensibly. */
gfc_set_model_kind (expr->ts.kind);
else
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 = build3 (COND_EXPR, type, test2, tmp, args[0]);
+ tmp = build2 (MULT_EXPR, type, tmp, args[1]);
+ se->expr = 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 = build2 (MINUS_EXPR, type, args[0], args[1]);
val = gfc_evaluate_now (val, &se->pre);
zero = gfc_build_const (type, integer_zero_node);
gfc_conv_intrinsic_sign (gfc_se * se, gfc_expr * expr)
{
tree tmp;
- tree arg;
- tree arg2;
tree type;
+ 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;
}
/* Having excluded floating point types, we know we are now dealing
with signed integer types. */
- arg2 = TREE_VALUE (TREE_CHAIN (arg));
- arg = TREE_VALUE (arg);
- type = TREE_TYPE (arg);
+ type = TREE_TYPE (args[0]);
- /* Arg is used multiple times below. */
- arg = gfc_evaluate_now (arg, &se->pre);
+ /* 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, arg, arg2);
+ 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, arg, tmp),
+ 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 = build2 (MULT_EXPR, type, args[0], args[1]);
}
tree var;
tree type;
- arg = gfc_conv_intrinsic_function_args (se, expr);
- arg = TREE_VALUE (arg);
+ gfc_conv_intrinsic_function_args (se, expr, &arg, 1);
/* We currently don't support character types != 1. */
gcc_assert (expr->ts.kind == 1);
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 = 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");
- 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. */
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 = 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");
- 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_fdate, arglist);
+ 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. */
tree var;
tree len;
tree tmp;
- tree arglist;
tree type;
tree cond;
+ tree fndecl;
tree gfc_int4_type_node = gfc_get_int_type (4);
+ tree *args;
+ unsigned int num_args;
+
+ num_args = gfc_intrinsic_argument_list_length (expr) + 2;
+ args = 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");
- 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. */
/* 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, arg1, arg2;
+ tree *args;
tree type;
gfc_actual_arglist *argexpr;
- unsigned int i;
+ unsigned int i, nargs;
+
+ nargs = gfc_intrinsic_argument_list_length (expr);
+ args = alloca (sizeof (tree) * nargs);
- arg = gfc_conv_intrinsic_function_args (se, expr);
- arg1 = TREE_VALUE (arg);
- arg2 = TREE_VALUE (TREE_CHAIN (arg));
+ gfc_conv_intrinsic_function_args (se, expr, args, nargs);
type = gfc_typenode_for_spec (&expr->ts);
- /* The first and second arguments should be present, if they are
- optional dummy arguments. */
argexpr = expr->value.function.actual;
- if (argexpr->expr->expr_type == EXPR_VARIABLE
- && argexpr->expr->symtree->n.sym->attr.optional
- && TREE_CODE (arg1) == INDIRECT_REF)
- {
- /* Check the first argument. */
- tree cond;
- char *msg;
-
- asprintf (&msg, "First argument of '%s' intrinsic should be present",
- expr->symtree->n.sym->name);
- cond = build2 (EQ_EXPR, boolean_type_node, TREE_OPERAND (arg1, 0),
- build_int_cst (TREE_TYPE (TREE_OPERAND (arg1, 0)), 0));
- gfc_trans_runtime_check (cond, msg, &se->pre, &expr->where);
- gfc_free (msg);
- }
-
- if (argexpr->next->expr->expr_type == EXPR_VARIABLE
- && argexpr->next->expr->symtree->n.sym->attr.optional
- && TREE_CODE (arg2) == INDIRECT_REF)
- {
- /* Check the second argument. */
- tree cond;
- char *msg;
-
- asprintf (&msg, "Second argument of '%s' intrinsic should be present",
- expr->symtree->n.sym->name);
- cond = build2 (EQ_EXPR, boolean_type_node, TREE_OPERAND (arg2, 0),
- build_int_cst (TREE_TYPE (TREE_OPERAND (arg2, 0)), 0));
- gfc_trans_runtime_check (cond, msg, &se->pre, &expr->where);
- gfc_free (msg);
- }
-
- limit = TREE_VALUE (arg);
- if (TREE_TYPE (limit) != type)
- limit = convert (type, limit);
+ 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), i = 0, argexpr = argexpr->next;
- arg != NULL_TREE; arg = TREE_CHAIN (arg), i++)
+ gfc_add_modify_expr (&se->pre, mvar, args[0]);
+ for (i = 1, argexpr = argexpr->next; i < nargs; i++)
{
- tree cond;
+ tree cond, isnan;
- val = TREE_VALUE (arg);
+ val = args[i];
/* Handle absent optional arguments by ignoring the comparison. */
- if (i > 0 && argexpr->expr->expr_type == EXPR_VARIABLE
+ if (argexpr->expr->expr_type == EXPR_VARIABLE
&& argexpr->expr->symtree->n.sym->attr.optional
&& TREE_CODE (val) == INDIRECT_REF)
cond = build2 (NE_EXPR, boolean_type_node, TREE_OPERAND (val, 0),
thencase = build2_v (MODIFY_EXPR, mvar, convert (type, val));
- tmp = build2 (op, boolean_type_node, convert (type, val), limit);
- tmp = build3_v (COND_EXPR, tmp, thencase, elsecase);
+ tmp = 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;
+ unsigned int nargs;
+
+ nargs = gfc_intrinsic_argument_list_length (expr);
+ args = 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 (build_pointer_type (gfc_character1_type_node), "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);
+
+ /* Make the function call. */
+ fndecl = build_addr (gfor_fndecl_string_minmax, current_function_decl);
+ tmp = build_call_array (TREE_TYPE (TREE_TYPE (gfor_fndecl_string_minmax)),
+ fndecl, nargs + 4, 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));
+ 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. */
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 = build2 (LSHIFT_EXPR, type, build_int_cst (type, 1), args[1]);
+ tmp = 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;
-
- arg = gfc_conv_intrinsic_function_args (se, expr);
- arg2 = TREE_VALUE (TREE_CHAIN (arg));
- arg = TREE_VALUE (arg);
- type = TREE_TYPE (arg);
+ tree args[2];
- 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);
-
+ gfc_conv_intrinsic_function_args (se, expr, &arg, 1);
se->expr = build1 (BIT_NOT_EXPR, TREE_TYPE (arg), arg);
}
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 (type, -1);
- mask = build2 (LSHIFT_EXPR, type, mask, arg3);
+ mask = build2 (LSHIFT_EXPR, type, mask, args[2]);
mask = build1 (BIT_NOT_EXPR, type, mask);
- tmp = build2 (RSHIFT_EXPR, type, arg, arg2);
+ tmp = build2 (RSHIFT_EXPR, type, args[0], args[1]);
se->expr = fold_build2 (BIT_AND_EXPR, type, tmp, mask);
}
static void
gfc_conv_intrinsic_rlshift (gfc_se * se, gfc_expr * expr, int right_shift)
{
- tree arg;
- tree arg2;
+ 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);
se->expr = fold_build2 (right_shift ? RSHIFT_EXPR : LSHIFT_EXPR,
- TREE_TYPE (arg), arg, arg2);
+ TREE_TYPE (args[0]), args[0], args[1]);
}
/* ISHFT (I, SHIFT) = (abs (shift) >= BIT_SIZE (i))
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);
+ 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.
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));
+ 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[0]), 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;
- arg = gfc_conv_intrinsic_function_args (se, expr);
- arg2 = TREE_CHAIN (arg);
- arg3 = TREE_CHAIN (arg2);
- if (arg3)
+ num_args = gfc_intrinsic_argument_list_length (expr);
+ args = alloca (sizeof (tree) * num_args);
+
+ gfc_conv_intrinsic_function_args (se, expr, args, num_args);
+
+ 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. */
static void
gfc_conv_intrinsic_len_trim (gfc_se * se, gfc_expr * expr)
{
- tree args;
+ tree args[2];
tree type;
- 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);
+ se->expr = build_call_expr (gfor_fndecl_string_len_trim, 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;
+
+ num_args = gfc_intrinsic_argument_list_length (expr);
+ args = alloca (sizeof (tree) * 5);
- args = gfc_conv_intrinsic_function_args (se, expr);
+ gfc_conv_intrinsic_function_args (se, expr, args,
+ num_args >= 5 ? 5 : 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 args[2];
tree type;
- 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])));
+ args[1] = build1 (NOP_EXPR, pchar_type_node, 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);
+ 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 = 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;
}
static void
gfc_conv_intrinsic_strcmp (gfc_se * se, gfc_expr * expr, int op)
{
- tree type;
- tree args;
- tree arg2;
-
- args = gfc_conv_intrinsic_function_args (se, expr);
- arg2 = TREE_CHAIN (TREE_CHAIN (args));
+ tree args[4];
- se->expr = gfc_build_compare_string (TREE_VALUE (args),
- TREE_VALUE (TREE_CHAIN (args)), TREE_VALUE (arg2),
- TREE_VALUE (TREE_CHAIN (arg2)));
+ gfc_conv_intrinsic_function_args (se, expr, args, 4);
- type = gfc_typenode_for_spec (&expr->ts);
- se->expr = fold_build2 (op, type, se->expr,
- build_int_cst (TREE_TYPE (se->expr), 0));
+ se->expr = gfc_build_compare_string (args[0], args[1], args[2], args[3]);
+ 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;
gfc_se arg2se;
tree tmp2;
tree tmp;
- tree fndecl;
tree nonzero_charlen;
tree nonzero_arraylen;
gfc_ss *ss1, *ss2;
}
else
{
-
/* An array pointer of zero length is not associated if target is
present. */
arg1se.descriptor_only = 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);
- fndecl = gfor_fndecl_associated;
- se->expr = build_call_expr (fndecl, 2, arg1se.expr, arg2se.expr);
+ se->expr = build_call_expr (gfor_fndecl_associated, 2,
+ arg1se.expr, arg2se.expr);
+ se->expr = convert (boolean_type_node, se->expr);
se->expr = build2 (TRUTH_AND_EXPR, boolean_type_node,
se->expr, nonzero_arraylen);
-
}
/* If target is present zero character length pointers cannot
}
-/* Scan a string for any one of the characters in a set of characters. */
+/* Generate code for SELECTED_INT_KIND (R) intrinsic function. */
static void
-gfc_conv_intrinsic_scan (gfc_se * se, gfc_expr * expr)
+gfc_conv_intrinsic_si_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));
- }
-
- se->expr = build_function_call_expr (gfor_fndecl_string_scan, args);
- se->expr = convert (type, se->expr);
-}
+ tree arg, type;
+ gfc_conv_intrinsic_function_args (se, expr, &arg, 1);
-/* 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. */
+ /* The argument to SELECTED_INT_KIND is INTEGER(4). */
+ type = gfc_get_int_type (4);
+ arg = build_fold_addr_expr (fold_convert (type, arg));
-static void
-gfc_conv_intrinsic_verify (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);
+ /* Convert it to the required type. */
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_verify, args);
- se->expr = convert (type, se->expr);
+ 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);
- se->expr = build_call_expr (gfor_fndecl_si_kind, 1, 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;
+ 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);
}
tree len;
tree addr;
tree tmp;
- tree arglist;
tree type;
tree cond;
+ tree fndecl;
+ tree *args;
+ unsigned int num_args;
- arglist = NULL_TREE;
+ num_args = gfc_intrinsic_argument_list_length (expr) + 2;
+ args = alloca (sizeof (tree) * num_args);
type = build_pointer_type (gfc_character1_type_node);
var = gfc_create_var (type, "pstr");
addr = gfc_build_addr_expr (ppvoid_type_node, var);
len = gfc_create_var (gfc_int4_type_node, "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);
+ fndecl = build_addr (gfor_fndecl_string_trim, current_function_decl);
+ tmp = build_call_array (TREE_TYPE (TREE_TYPE (gfor_fndecl_string_trim)),
+ fndecl, num_args, args);
gfc_add_expr_to_block (&se->pre, tmp);
/* Free the temporary afterwards, if necessary. */
static void
gfc_conv_intrinsic_repeat (gfc_se * se, gfc_expr * expr)
{
- tree args, ncopies, dest, dlen, src, slen, ncopies_type;
+ tree args[3], ncopies, dest, dlen, src, slen, ncopies_type;
tree type, cond, tmp, count, exit_label, n, max, largest;
stmtblock_t block, body;
int i;
/* Get the arguments. */
- args = gfc_conv_intrinsic_function_args (se, expr);
- slen = fold_convert (size_type_node, gfc_evaluate_now (TREE_VALUE (args),
- &se->pre));
- src = TREE_VALUE (TREE_CHAIN (args));
- ncopies = TREE_VALUE (TREE_CHAIN (TREE_CHAIN (args)));
- ncopies = gfc_evaluate_now (ncopies, &se->pre);
+ 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 (cond,
- "Argument NCOPIES of REPEAT intrinsic is negative",
- &se->pre, &expr->where);
+ gfc_trans_runtime_check (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. */
build_int_cst (size_type_node, 0));
cond = fold_build3 (COND_EXPR, boolean_type_node, tmp, boolean_false_node,
cond);
- gfc_trans_runtime_check (cond,
- "Argument NCOPIES of REPEAT intrinsic is too large",
- &se->pre, &expr->where);
+ gfc_trans_runtime_check (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, slen, ncopies);
+ 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);
dest = gfc_conv_string_tmp (se, build_pointer_type (type), dlen);
gfc_add_expr_to_block (&body, tmp);
/* Call memmove (dest + (i*slen), src, slen). */
- tmp = fold_build2 (MULT_EXPR, gfc_charlen_type_node, slen,
+ 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 (POINTER_PLUS_EXPR, pchar_type_node, dest,
+ tmp = fold_build2 (POINTER_PLUS_EXPR, pchar_type_node,
+ fold_convert (pchar_type_node, dest),
fold_convert (sizetype, tmp));
tmp = build_call_expr (built_in_decls[BUILT_IN_MEMMOVE], 3,
tmp, src, slen);
break;
case GFC_ISYM_SCAN:
- gfc_conv_intrinsic_scan (se, expr);
+ gfc_conv_intrinsic_index_scan_verify (se, expr, gfor_fndecl_string_scan);
break;
case GFC_ISYM_VERIFY:
- gfc_conv_intrinsic_verify (se, expr);
+ gfc_conv_intrinsic_index_scan_verify (se, expr, gfor_fndecl_string_verify);
break;
case GFC_ISYM_ALLOCATED:
break;
case GFC_ISYM_INDEX:
- gfc_conv_intrinsic_index (se, expr);
+ gfc_conv_intrinsic_index_scan_verify (se, expr, gfor_fndecl_string_index);
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;
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:
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