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/* Header file for intrinsics check, resolve and simplify function
   prototypes.
   Copyright (C) 2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009
   Free Software Foundation, Inc.
   Contributed by Andy Vaught & Katherine Holcomb
 
This file is part of GCC.
 
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 3, or (at your option) any later
version.
 
GCC is distributed in the hope that it will be useful, but WITHOUT ANY
WARRANTY; without even the implied warranty of MERCHANTABILITY or
FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
for more details.
 
You should have received a copy of the GNU General Public License
along with GCC; see the file COPYING3.  If not see
<http://www.gnu.org/licenses/>.  */
 
/* Expression returned when simplification fails.  */
 
extern gfc_expr gfc_bad_expr;
 
 
/* Check functions.  */
gfc_try gfc_check_a_ikind (gfc_expr *, gfc_expr *);
gfc_try gfc_check_a_xkind (gfc_expr *, gfc_expr *);
gfc_try gfc_check_a_p (gfc_expr *, gfc_expr *);
gfc_try gfc_check_x_yd (gfc_expr *, gfc_expr *);
 
gfc_try gfc_check_abs (gfc_expr *);
gfc_try gfc_check_access_func (gfc_expr *, gfc_expr *);
gfc_try gfc_check_achar (gfc_expr *, gfc_expr *);
gfc_try gfc_check_all_any (gfc_expr *, gfc_expr *);
gfc_try gfc_check_allocated (gfc_expr *);
gfc_try gfc_check_associated (gfc_expr *, gfc_expr *);
gfc_try gfc_check_atan_2 (gfc_expr *, gfc_expr *);
gfc_try gfc_check_atan2 (gfc_expr *, gfc_expr *);
gfc_try gfc_check_besn (gfc_expr *, gfc_expr *);
gfc_try gfc_check_bitfcn (gfc_expr *, gfc_expr *);
gfc_try gfc_check_char (gfc_expr *, gfc_expr *);
gfc_try gfc_check_chdir (gfc_expr *);
gfc_try gfc_check_chmod (gfc_expr *, gfc_expr *);
gfc_try gfc_check_cmplx (gfc_expr *, gfc_expr *, gfc_expr *);
gfc_try gfc_check_complex (gfc_expr *, gfc_expr *);
gfc_try gfc_check_count (gfc_expr *, gfc_expr *, gfc_expr *);
gfc_try gfc_check_cshift (gfc_expr *, gfc_expr *, gfc_expr *);
gfc_try gfc_check_ctime (gfc_expr *);
gfc_try gfc_check_datan2 (gfc_expr *, gfc_expr *);
gfc_try gfc_check_dcmplx (gfc_expr *, gfc_expr *);
gfc_try gfc_check_dble (gfc_expr *);
gfc_try gfc_check_digits (gfc_expr *);
gfc_try gfc_check_dot_product (gfc_expr *, gfc_expr *);
gfc_try gfc_check_dprod (gfc_expr *, gfc_expr *);
gfc_try gfc_check_eoshift (gfc_expr *, gfc_expr *, gfc_expr *, gfc_expr *);
gfc_try gfc_check_dtime_etime (gfc_expr *);
gfc_try gfc_check_fgetputc (gfc_expr *, gfc_expr *);
gfc_try gfc_check_fgetput (gfc_expr *);
gfc_try gfc_check_fstat (gfc_expr *, gfc_expr *);
gfc_try gfc_check_ftell (gfc_expr *);
gfc_try gfc_check_fn_c (gfc_expr *);
gfc_try gfc_check_fn_d (gfc_expr *);
gfc_try gfc_check_fn_r (gfc_expr *);
gfc_try gfc_check_fn_rc (gfc_expr *);
gfc_try gfc_check_fn_rc2008 (gfc_expr *);
gfc_try gfc_check_fnum (gfc_expr *);
gfc_try gfc_check_hostnm (gfc_expr *);
gfc_try gfc_check_huge (gfc_expr *);
gfc_try gfc_check_hypot (gfc_expr *, gfc_expr *);
gfc_try gfc_check_i (gfc_expr *);
gfc_try gfc_check_iand (gfc_expr *, gfc_expr *);
gfc_try gfc_check_and (gfc_expr *, gfc_expr *);
gfc_try gfc_check_ibits (gfc_expr *, gfc_expr *, gfc_expr *);
gfc_try gfc_check_ichar_iachar (gfc_expr *, gfc_expr *);
gfc_try gfc_check_idnint (gfc_expr *);
gfc_try gfc_check_ieor (gfc_expr *, gfc_expr *);
gfc_try gfc_check_index (gfc_expr *, gfc_expr *, gfc_expr *, gfc_expr *);
gfc_try gfc_check_int (gfc_expr *, gfc_expr *);
gfc_try gfc_check_intconv (gfc_expr *);
gfc_try gfc_check_ior (gfc_expr *, gfc_expr *);
gfc_try gfc_check_irand (gfc_expr *);
gfc_try gfc_check_isatty (gfc_expr *);
gfc_try gfc_check_isnan (gfc_expr *);
gfc_try gfc_check_ishft (gfc_expr *, gfc_expr *);
gfc_try gfc_check_ishftc (gfc_expr *, gfc_expr *, gfc_expr *);
gfc_try gfc_check_kill (gfc_expr *, gfc_expr *);
gfc_try gfc_check_kind (gfc_expr *);
gfc_try gfc_check_lbound (gfc_expr *, gfc_expr *, gfc_expr *);
gfc_try gfc_check_len_lentrim (gfc_expr *, gfc_expr *);
gfc_try gfc_check_link (gfc_expr *, gfc_expr *);
gfc_try gfc_check_lge_lgt_lle_llt (gfc_expr *, gfc_expr *);
gfc_try gfc_check_loc (gfc_expr *);
gfc_try gfc_check_logical (gfc_expr *, gfc_expr *);
gfc_try gfc_check_min_max (gfc_actual_arglist *);
gfc_try gfc_check_min_max_integer (gfc_actual_arglist *);
gfc_try gfc_check_min_max_real (gfc_actual_arglist *);
gfc_try gfc_check_min_max_double (gfc_actual_arglist *);
gfc_try gfc_check_malloc (gfc_expr *);
gfc_try gfc_check_matmul (gfc_expr *, gfc_expr *);
gfc_try gfc_check_merge (gfc_expr *, gfc_expr *, gfc_expr *);
gfc_try gfc_check_minloc_maxloc (gfc_actual_arglist *);
gfc_try gfc_check_minval_maxval (gfc_actual_arglist *);
gfc_try gfc_check_nearest (gfc_expr *, gfc_expr *);
gfc_try gfc_check_new_line (gfc_expr *);
gfc_try gfc_check_null (gfc_expr *);
gfc_try gfc_check_pack (gfc_expr *, gfc_expr *, gfc_expr *);
gfc_try gfc_check_precision (gfc_expr *);
gfc_try gfc_check_present (gfc_expr *);
gfc_try gfc_check_product_sum (gfc_actual_arglist *);
gfc_try gfc_check_radix (gfc_expr *);
gfc_try gfc_check_rand (gfc_expr *);
gfc_try gfc_check_range (gfc_expr *);
gfc_try gfc_check_real (gfc_expr *, gfc_expr *);
gfc_try gfc_check_rename (gfc_expr *, gfc_expr *);
gfc_try gfc_check_repeat (gfc_expr *, gfc_expr *);
gfc_try gfc_check_reshape (gfc_expr *, gfc_expr *, gfc_expr *, gfc_expr *);
gfc_try gfc_check_same_type_as (gfc_expr *, gfc_expr *);
gfc_try gfc_check_scale (gfc_expr *, gfc_expr *);
gfc_try gfc_check_scan (gfc_expr *, gfc_expr *, gfc_expr *, gfc_expr *);
gfc_try gfc_check_second_sub (gfc_expr *);
gfc_try gfc_check_secnds (gfc_expr *);
gfc_try gfc_check_selected_char_kind (gfc_expr *);
gfc_try gfc_check_selected_int_kind (gfc_expr *);
gfc_try gfc_check_selected_real_kind (gfc_expr *, gfc_expr *);
gfc_try gfc_check_set_exponent (gfc_expr *, gfc_expr *);
gfc_try gfc_check_shape (gfc_expr *);
gfc_try gfc_check_size (gfc_expr *, gfc_expr *, gfc_expr *);
gfc_try gfc_check_sign (gfc_expr *, gfc_expr *);
gfc_try gfc_check_signal (gfc_expr *, gfc_expr *);
gfc_try gfc_check_sizeof (gfc_expr *);
gfc_try gfc_check_spread (gfc_expr *, gfc_expr *, gfc_expr *);
gfc_try gfc_check_srand (gfc_expr *);
gfc_try gfc_check_stat (gfc_expr *, gfc_expr *);
gfc_try gfc_check_sum (gfc_expr *, gfc_expr *, gfc_expr *);
gfc_try gfc_check_symlnk (gfc_expr *, gfc_expr *);
gfc_try gfc_check_transfer (gfc_expr *, gfc_expr *, gfc_expr *);
gfc_try gfc_check_transpose (gfc_expr *);
gfc_try gfc_check_trim (gfc_expr *);
gfc_try gfc_check_ttynam (gfc_expr *);
gfc_try gfc_check_ubound (gfc_expr *, gfc_expr *, gfc_expr *);
gfc_try gfc_check_umask (gfc_expr *);
gfc_try gfc_check_unlink (gfc_expr *);
gfc_try gfc_check_unpack (gfc_expr *, gfc_expr *, gfc_expr *);
gfc_try gfc_check_verify (gfc_expr *, gfc_expr *, gfc_expr *, gfc_expr *);
gfc_try gfc_check_x (gfc_expr *);
 
 
/* Intrinsic subroutines.  */
gfc_try gfc_check_alarm_sub (gfc_expr *, gfc_expr *, gfc_expr *);
gfc_try gfc_check_chdir_sub (gfc_expr *, gfc_expr *);
gfc_try gfc_check_chmod_sub (gfc_expr *, gfc_expr *, gfc_expr *);
gfc_try gfc_check_cpu_time (gfc_expr *);
gfc_try gfc_check_ctime_sub (gfc_expr *, gfc_expr *);
gfc_try gfc_check_system_clock (gfc_expr *, gfc_expr *, gfc_expr *);
gfc_try gfc_check_date_and_time (gfc_expr *, gfc_expr *, gfc_expr *, gfc_expr *);
gfc_try gfc_check_exit (gfc_expr *);
gfc_try gfc_check_fdate_sub (gfc_expr *);
gfc_try gfc_check_flush (gfc_expr *);
gfc_try gfc_check_free (gfc_expr *);
gfc_try gfc_check_fstat_sub (gfc_expr *, gfc_expr *, gfc_expr *);
gfc_try gfc_check_gerror (gfc_expr *);
gfc_try gfc_check_getarg (gfc_expr *, gfc_expr *);
gfc_try gfc_check_getlog (gfc_expr *);
gfc_try gfc_check_move_alloc (gfc_expr *, gfc_expr *);
gfc_try gfc_check_mvbits (gfc_expr *, gfc_expr *, gfc_expr *, gfc_expr *,
		      gfc_expr *);
gfc_try gfc_check_random_number (gfc_expr *);
gfc_try gfc_check_random_seed (gfc_expr *, gfc_expr *, gfc_expr *);
gfc_try gfc_check_dtime_etime_sub (gfc_expr *, gfc_expr *);
gfc_try gfc_check_fgetputc_sub (gfc_expr *, gfc_expr *, gfc_expr *);
gfc_try gfc_check_fgetput_sub (gfc_expr *, gfc_expr *);
gfc_try gfc_check_fseek_sub (gfc_expr *, gfc_expr *, gfc_expr *, gfc_expr *);
gfc_try gfc_check_ftell_sub (gfc_expr *, gfc_expr *);
gfc_try gfc_check_getcwd_sub (gfc_expr *, gfc_expr *);
gfc_try gfc_check_hostnm_sub (gfc_expr *, gfc_expr *);
gfc_try gfc_check_itime_idate (gfc_expr *);
gfc_try gfc_check_kill_sub (gfc_expr *, gfc_expr *, gfc_expr *);
gfc_try gfc_check_ltime_gmtime (gfc_expr *, gfc_expr *);
gfc_try gfc_check_perror (gfc_expr *);
gfc_try gfc_check_rename_sub (gfc_expr *, gfc_expr *, gfc_expr *);
gfc_try gfc_check_link_sub (gfc_expr *, gfc_expr *, gfc_expr *);
gfc_try gfc_check_symlnk_sub (gfc_expr *, gfc_expr *, gfc_expr *);
gfc_try gfc_check_signal_sub (gfc_expr *, gfc_expr *, gfc_expr *);
gfc_try gfc_check_sleep_sub (gfc_expr *);
gfc_try gfc_check_stat_sub (gfc_expr *, gfc_expr *, gfc_expr *);
gfc_try gfc_check_system_sub (gfc_expr *, gfc_expr *);
gfc_try gfc_check_ttynam_sub (gfc_expr *, gfc_expr *);
gfc_try gfc_check_umask_sub (gfc_expr *, gfc_expr *);
gfc_try gfc_check_unlink_sub (gfc_expr *, gfc_expr *);
 
 
/* Simplification functions.  */
gfc_expr *gfc_simplify_abs (gfc_expr *);
gfc_expr *gfc_simplify_achar (gfc_expr *, gfc_expr *);
gfc_expr *gfc_simplify_acos (gfc_expr *);
gfc_expr *gfc_simplify_acosh (gfc_expr *);
gfc_expr *gfc_simplify_adjustl (gfc_expr *);
gfc_expr *gfc_simplify_adjustr (gfc_expr *);
gfc_expr *gfc_simplify_aimag (gfc_expr *);
gfc_expr *gfc_simplify_aint (gfc_expr *, gfc_expr *);
gfc_expr *gfc_simplify_all (gfc_expr *, gfc_expr *);
gfc_expr *gfc_simplify_dint (gfc_expr *);
gfc_expr *gfc_simplify_anint (gfc_expr *, gfc_expr *);
gfc_expr *gfc_simplify_dnint (gfc_expr *);
gfc_expr *gfc_simplify_and (gfc_expr *, gfc_expr *);
gfc_expr *gfc_simplify_any (gfc_expr *, gfc_expr *);
gfc_expr *gfc_simplify_asin (gfc_expr *);
gfc_expr *gfc_simplify_asinh (gfc_expr *);
gfc_expr *gfc_simplify_atan (gfc_expr *);
gfc_expr *gfc_simplify_atanh (gfc_expr *);
gfc_expr *gfc_simplify_atan2 (gfc_expr *, gfc_expr *);
gfc_expr *gfc_simplify_bessel_j0 (gfc_expr *);
gfc_expr *gfc_simplify_bessel_j1 (gfc_expr *);
gfc_expr *gfc_simplify_bessel_jn (gfc_expr *, gfc_expr *);
gfc_expr *gfc_simplify_bessel_y0 (gfc_expr *);
gfc_expr *gfc_simplify_bessel_y1 (gfc_expr *);
gfc_expr *gfc_simplify_bessel_yn (gfc_expr *, gfc_expr *);
gfc_expr *gfc_simplify_bit_size (gfc_expr *);
gfc_expr *gfc_simplify_btest (gfc_expr *, gfc_expr *);
gfc_expr *gfc_simplify_ceiling (gfc_expr *, gfc_expr *);
gfc_expr *gfc_simplify_char (gfc_expr *, gfc_expr *);
gfc_expr *gfc_simplify_cmplx (gfc_expr *, gfc_expr *, gfc_expr *);
gfc_expr *gfc_simplify_complex (gfc_expr *, gfc_expr *);
gfc_expr *gfc_simplify_conjg (gfc_expr *);
gfc_expr *gfc_simplify_cos (gfc_expr *);
gfc_expr *gfc_simplify_cosh (gfc_expr *);
gfc_expr *gfc_simplify_count (gfc_expr *, gfc_expr *, gfc_expr *);
gfc_expr *gfc_simplify_dcmplx (gfc_expr *, gfc_expr *);
gfc_expr *gfc_simplify_dble (gfc_expr *);
gfc_expr *gfc_simplify_digits (gfc_expr *);
gfc_expr *gfc_simplify_dim (gfc_expr *, gfc_expr *);
gfc_expr *gfc_simplify_dprod (gfc_expr *, gfc_expr *);
gfc_expr *gfc_simplify_dot_product (gfc_expr *, gfc_expr *);
gfc_expr *gfc_simplify_epsilon (gfc_expr *);
gfc_expr *gfc_simplify_erf (gfc_expr *);
gfc_expr *gfc_simplify_erfc (gfc_expr *);
gfc_expr *gfc_simplify_erfc_scaled (gfc_expr *);
gfc_expr *gfc_simplify_exp (gfc_expr *);
gfc_expr *gfc_simplify_exponent (gfc_expr *);
gfc_expr *gfc_simplify_float (gfc_expr *);
gfc_expr *gfc_simplify_floor (gfc_expr *, gfc_expr *);
gfc_expr *gfc_simplify_fraction (gfc_expr *);
gfc_expr *gfc_simplify_gamma (gfc_expr *);
gfc_expr *gfc_simplify_huge (gfc_expr *);
gfc_expr *gfc_simplify_hypot (gfc_expr *, gfc_expr *);
gfc_expr *gfc_simplify_iachar (gfc_expr *, gfc_expr *);
gfc_expr *gfc_simplify_iand (gfc_expr *, gfc_expr *);
gfc_expr *gfc_simplify_ibclr (gfc_expr *, gfc_expr *);
gfc_expr *gfc_simplify_ibits (gfc_expr *, gfc_expr *, gfc_expr *);
gfc_expr *gfc_simplify_ibset (gfc_expr *, gfc_expr *);
gfc_expr *gfc_simplify_ichar (gfc_expr *, gfc_expr *);
gfc_expr *gfc_simplify_ieor (gfc_expr *, gfc_expr *);
gfc_expr *gfc_simplify_index (gfc_expr *, gfc_expr *, gfc_expr *, gfc_expr *);
gfc_expr *gfc_simplify_int (gfc_expr *, gfc_expr *);
gfc_expr *gfc_simplify_int2 (gfc_expr *);
gfc_expr *gfc_simplify_int8 (gfc_expr *);
gfc_expr *gfc_simplify_long (gfc_expr *);
gfc_expr *gfc_simplify_ifix (gfc_expr *);
gfc_expr *gfc_simplify_idint (gfc_expr *);
gfc_expr *gfc_simplify_ior (gfc_expr *, gfc_expr *);
gfc_expr *gfc_simplify_is_iostat_end (gfc_expr *);
gfc_expr *gfc_simplify_is_iostat_eor (gfc_expr *);
gfc_expr *gfc_simplify_isnan (gfc_expr *);
gfc_expr *gfc_simplify_ishft (gfc_expr *, gfc_expr *);
gfc_expr *gfc_simplify_ishftc (gfc_expr *, gfc_expr *, gfc_expr *);
gfc_expr *gfc_simplify_kind (gfc_expr *);
gfc_expr *gfc_simplify_lbound (gfc_expr *, gfc_expr *, gfc_expr *);
gfc_expr *gfc_simplify_leadz (gfc_expr *);
gfc_expr *gfc_simplify_len (gfc_expr *, gfc_expr *);
gfc_expr *gfc_simplify_len_trim (gfc_expr *, gfc_expr *);
gfc_expr *gfc_simplify_lgamma (gfc_expr *);
gfc_expr *gfc_simplify_lge (gfc_expr *, gfc_expr *);
gfc_expr *gfc_simplify_lgt (gfc_expr *, gfc_expr *);
gfc_expr *gfc_simplify_lle (gfc_expr *, gfc_expr *);
gfc_expr *gfc_simplify_llt (gfc_expr *, gfc_expr *);
gfc_expr *gfc_simplify_log (gfc_expr *);
gfc_expr *gfc_simplify_log10 (gfc_expr *);
gfc_expr *gfc_simplify_logical (gfc_expr *, gfc_expr *);
gfc_expr *gfc_simplify_matmul (gfc_expr *, gfc_expr *);
gfc_expr *gfc_simplify_merge (gfc_expr *, gfc_expr *, gfc_expr *);
gfc_expr *gfc_simplify_min (gfc_expr *);
gfc_expr *gfc_simplify_minval (gfc_expr *, gfc_expr*, gfc_expr*);
gfc_expr *gfc_simplify_max (gfc_expr *);
gfc_expr *gfc_simplify_maxval (gfc_expr *, gfc_expr*, gfc_expr*);
gfc_expr *gfc_simplify_maxexponent (gfc_expr *);
gfc_expr *gfc_simplify_minexponent (gfc_expr *);
gfc_expr *gfc_simplify_mod (gfc_expr *, gfc_expr *);
gfc_expr *gfc_simplify_modulo (gfc_expr *, gfc_expr *);
gfc_expr *gfc_simplify_mvbits (gfc_expr *, gfc_expr *, gfc_expr *, gfc_expr *,
			       gfc_expr *);
gfc_expr *gfc_simplify_nearest (gfc_expr *, gfc_expr *);
gfc_expr *gfc_simplify_new_line (gfc_expr *);
gfc_expr *gfc_simplify_nint (gfc_expr *, gfc_expr *);
gfc_expr *gfc_simplify_null (gfc_expr *);
gfc_expr *gfc_simplify_idnint (gfc_expr *);
gfc_expr *gfc_simplify_not (gfc_expr *);
gfc_expr *gfc_simplify_or (gfc_expr *, gfc_expr *);
gfc_expr *gfc_simplify_pack (gfc_expr *, gfc_expr *, gfc_expr *);
gfc_expr *gfc_simplify_precision (gfc_expr *);
gfc_expr *gfc_simplify_product (gfc_expr *, gfc_expr *, gfc_expr *);
gfc_expr *gfc_simplify_radix (gfc_expr *);
gfc_expr *gfc_simplify_range (gfc_expr *);
gfc_expr *gfc_simplify_real (gfc_expr *, gfc_expr *);
gfc_expr *gfc_simplify_realpart (gfc_expr *);
gfc_expr *gfc_simplify_repeat (gfc_expr *, gfc_expr *);
gfc_expr *gfc_simplify_reshape (gfc_expr *, gfc_expr *, gfc_expr *,
				gfc_expr *);
gfc_expr *gfc_simplify_rrspacing (gfc_expr *);
gfc_expr *gfc_simplify_scale (gfc_expr *, gfc_expr *);
gfc_expr *gfc_simplify_scan (gfc_expr *, gfc_expr *, gfc_expr *, gfc_expr *);
gfc_expr *gfc_simplify_selected_char_kind (gfc_expr *);
gfc_expr *gfc_simplify_selected_int_kind (gfc_expr *);
gfc_expr *gfc_simplify_selected_real_kind (gfc_expr *, gfc_expr *);
gfc_expr *gfc_simplify_set_exponent (gfc_expr *, gfc_expr *);
gfc_expr *gfc_simplify_sign (gfc_expr *, gfc_expr *);
gfc_expr *gfc_simplify_shape (gfc_expr *);
gfc_expr *gfc_simplify_sin (gfc_expr *);
gfc_expr *gfc_simplify_sinh (gfc_expr *);
gfc_expr *gfc_simplify_size (gfc_expr *, gfc_expr *, gfc_expr *);
gfc_expr *gfc_simplify_sngl (gfc_expr *);
gfc_expr *gfc_simplify_spacing (gfc_expr *);
gfc_expr *gfc_simplify_spread (gfc_expr *, gfc_expr *, gfc_expr *);
gfc_expr *gfc_simplify_sqrt (gfc_expr *);
gfc_expr *gfc_simplify_sum (gfc_expr *, gfc_expr *, gfc_expr *);
gfc_expr *gfc_simplify_tan (gfc_expr *);
gfc_expr *gfc_simplify_tanh (gfc_expr *);
gfc_expr *gfc_simplify_tiny (gfc_expr *);
gfc_expr *gfc_simplify_trailz (gfc_expr *);
gfc_expr *gfc_simplify_transfer (gfc_expr *, gfc_expr *, gfc_expr *);
gfc_expr *gfc_simplify_transpose (gfc_expr *);
gfc_expr *gfc_simplify_trim (gfc_expr *);
gfc_expr *gfc_simplify_ubound (gfc_expr *, gfc_expr *, gfc_expr *);
gfc_expr *gfc_simplify_unpack (gfc_expr *, gfc_expr *, gfc_expr *);
gfc_expr *gfc_simplify_verify (gfc_expr *, gfc_expr *, gfc_expr *, gfc_expr *);
gfc_expr *gfc_simplify_xor (gfc_expr *, gfc_expr *);
 
/* Constant conversion simplification.  */
gfc_expr *gfc_convert_constant (gfc_expr *, bt, int);
gfc_expr *gfc_convert_char_constant (gfc_expr *, bt, int);
 
 
/* Resolution functions.  */
void gfc_resolve_abs (gfc_expr *, gfc_expr *);
void gfc_resolve_access (gfc_expr *, gfc_expr *, gfc_expr *);
void gfc_resolve_adjustl (gfc_expr *, gfc_expr *);
void gfc_resolve_adjustr (gfc_expr *, gfc_expr *);
void gfc_resolve_achar (gfc_expr *, gfc_expr *, gfc_expr *);
void gfc_resolve_acos (gfc_expr *, gfc_expr *);
void gfc_resolve_acosh (gfc_expr *, gfc_expr *);
void gfc_resolve_aimag (gfc_expr *, gfc_expr *);
void gfc_resolve_aint (gfc_expr *, gfc_expr *, gfc_expr *);
void gfc_resolve_dint (gfc_expr *, gfc_expr *);
void gfc_resolve_all (gfc_expr *, gfc_expr *, gfc_expr *);
void gfc_resolve_anint (gfc_expr *, gfc_expr *, gfc_expr *);
void gfc_resolve_dnint (gfc_expr *, gfc_expr *);
void gfc_resolve_and (gfc_expr *, gfc_expr *, gfc_expr *);
void gfc_resolve_any (gfc_expr *, gfc_expr *, gfc_expr *);
void gfc_resolve_asin (gfc_expr *, gfc_expr *);
void gfc_resolve_asinh (gfc_expr *, gfc_expr *);
void gfc_resolve_atan (gfc_expr *, gfc_expr *);
void gfc_resolve_atanh (gfc_expr *, gfc_expr *);
void gfc_resolve_atan2 (gfc_expr *, gfc_expr *, gfc_expr *);
void gfc_resolve_besn (gfc_expr *, gfc_expr *, gfc_expr *);
void gfc_resolve_btest (gfc_expr *, gfc_expr *, gfc_expr *);
void gfc_resolve_ceiling (gfc_expr *, gfc_expr *, gfc_expr *);
void gfc_resolve_char (gfc_expr *, gfc_expr *, gfc_expr *);
void gfc_resolve_chdir (gfc_expr *, gfc_expr *);
void gfc_resolve_chmod (gfc_expr *, gfc_expr *, gfc_expr *);
void gfc_resolve_cmplx (gfc_expr *, gfc_expr *, gfc_expr *, gfc_expr *);
void gfc_resolve_dcmplx (gfc_expr *, gfc_expr *, gfc_expr *);
void gfc_resolve_complex (gfc_expr *, gfc_expr *, gfc_expr *);
void gfc_resolve_conjg (gfc_expr *, gfc_expr *);
void gfc_resolve_cos (gfc_expr *, gfc_expr *);
void gfc_resolve_cosh (gfc_expr *, gfc_expr *);
void gfc_resolve_count (gfc_expr *, gfc_expr *, gfc_expr *, gfc_expr *);
void gfc_resolve_cshift (gfc_expr *, gfc_expr *, gfc_expr *, gfc_expr *);
void gfc_resolve_ctime (gfc_expr *, gfc_expr *);
void gfc_resolve_dble (gfc_expr *, gfc_expr *);
void gfc_resolve_dim (gfc_expr *, gfc_expr *, gfc_expr *);
void gfc_resolve_dot_product (gfc_expr *, gfc_expr *, gfc_expr *);
void gfc_resolve_dprod (gfc_expr *, gfc_expr *, gfc_expr *);
void gfc_resolve_dtime_sub (gfc_code *);
void gfc_resolve_eoshift (gfc_expr *, gfc_expr *, gfc_expr *, gfc_expr *,
			  gfc_expr *);
void gfc_resolve_etime_sub (gfc_code *);
void gfc_resolve_exp (gfc_expr *, gfc_expr *);
void gfc_resolve_exponent (gfc_expr *, gfc_expr *);
void gfc_resolve_extends_type_of (gfc_expr *, gfc_expr *, gfc_expr *);
void gfc_resolve_fdate (gfc_expr *);
void gfc_resolve_floor (gfc_expr *, gfc_expr *, gfc_expr *);
void gfc_resolve_fnum (gfc_expr *, gfc_expr *);
void gfc_resolve_fraction (gfc_expr *, gfc_expr *);
void gfc_resolve_fstat (gfc_expr *, gfc_expr *, gfc_expr *);
void gfc_resolve_ftell (gfc_expr *, gfc_expr *);
void gfc_resolve_fgetc (gfc_expr *, gfc_expr *, gfc_expr *);
void gfc_resolve_fget (gfc_expr *, gfc_expr *);
void gfc_resolve_fputc (gfc_expr *, gfc_expr *, gfc_expr *);
void gfc_resolve_fput (gfc_expr *, gfc_expr *);
void gfc_resolve_g77_math1 (gfc_expr *, gfc_expr *);
void gfc_resolve_gamma (gfc_expr *, gfc_expr *);
void gfc_resolve_getcwd (gfc_expr *, gfc_expr *);
void gfc_resolve_getgid (gfc_expr *);
void gfc_resolve_getpid (gfc_expr *);
void gfc_resolve_getuid (gfc_expr *);
void gfc_resolve_hostnm (gfc_expr *, gfc_expr *);
void gfc_resolve_hypot (gfc_expr *, gfc_expr *, gfc_expr *);
void gfc_resolve_iand (gfc_expr *, gfc_expr *, gfc_expr *);
void gfc_resolve_ibclr (gfc_expr *, gfc_expr *, gfc_expr *);
void gfc_resolve_ibits (gfc_expr *, gfc_expr *, gfc_expr *, gfc_expr *);
void gfc_resolve_ibset (gfc_expr *, gfc_expr *, gfc_expr *);
void gfc_resolve_index_func (gfc_expr *, gfc_expr *, gfc_expr *, gfc_expr *,
			     gfc_expr *);
void gfc_resolve_ierrno (gfc_expr *);
void gfc_resolve_ieor (gfc_expr *, gfc_expr *, gfc_expr *);
void gfc_resolve_ichar (gfc_expr *, gfc_expr *, gfc_expr *);
void gfc_resolve_iachar (gfc_expr *, gfc_expr *, gfc_expr *);
void gfc_resolve_idnint (gfc_expr *, gfc_expr *);
void gfc_resolve_int (gfc_expr *, gfc_expr *, gfc_expr *);
void gfc_resolve_int2 (gfc_expr *, gfc_expr *);
void gfc_resolve_int8 (gfc_expr *, gfc_expr *);
void gfc_resolve_long (gfc_expr *, gfc_expr *);
void gfc_resolve_ior (gfc_expr *, gfc_expr *, gfc_expr *);
void gfc_resolve_isatty (gfc_expr *, gfc_expr *);
void gfc_resolve_rshift (gfc_expr *, gfc_expr *, gfc_expr *);
void gfc_resolve_lshift (gfc_expr *, gfc_expr *, gfc_expr *);
void gfc_resolve_ishft (gfc_expr *, gfc_expr *, gfc_expr *);
void gfc_resolve_ishftc (gfc_expr *, gfc_expr *, gfc_expr *, gfc_expr *);
void gfc_resolve_kill (gfc_expr *, gfc_expr *, gfc_expr *);
void gfc_resolve_lbound (gfc_expr *, gfc_expr *, gfc_expr *, gfc_expr *);
void gfc_resolve_len (gfc_expr *, gfc_expr *, gfc_expr *);
void gfc_resolve_len_trim (gfc_expr *, gfc_expr *, gfc_expr *);
void gfc_resolve_lgamma (gfc_expr *, gfc_expr *);
void gfc_resolve_link (gfc_expr *, gfc_expr *, gfc_expr *);
void gfc_resolve_loc (gfc_expr *, gfc_expr *);
void gfc_resolve_log (gfc_expr *, gfc_expr *);
void gfc_resolve_log10 (gfc_expr *, gfc_expr *);
void gfc_resolve_logical (gfc_expr *, gfc_expr *, gfc_expr *);
void gfc_resolve_lstat (gfc_expr *, gfc_expr *, gfc_expr *);
void gfc_resolve_malloc (gfc_expr *, gfc_expr *);
void gfc_resolve_matmul (gfc_expr *, gfc_expr *, gfc_expr *);
void gfc_resolve_max (gfc_expr *, gfc_actual_arglist *);
void gfc_resolve_maxloc (gfc_expr *, gfc_expr *, gfc_expr *, gfc_expr *);
void gfc_resolve_maxval (gfc_expr *, gfc_expr *, gfc_expr *, gfc_expr *);
void gfc_resolve_mclock (gfc_expr *);
void gfc_resolve_mclock8 (gfc_expr *);
void gfc_resolve_merge (gfc_expr *, gfc_expr *, gfc_expr *, gfc_expr *);
void gfc_resolve_min (gfc_expr *, gfc_actual_arglist *);
void gfc_resolve_minloc (gfc_expr *, gfc_expr *, gfc_expr *, gfc_expr *);
void gfc_resolve_minval (gfc_expr *, gfc_expr *, gfc_expr *, gfc_expr *);
void gfc_resolve_mod (gfc_expr *, gfc_expr *, gfc_expr *);
void gfc_resolve_modulo (gfc_expr *, gfc_expr *, gfc_expr *);
void gfc_resolve_nearest (gfc_expr *, gfc_expr *, gfc_expr *);
void gfc_resolve_nint (gfc_expr *, gfc_expr *, gfc_expr *);
void gfc_resolve_not (gfc_expr *, gfc_expr *);
void gfc_resolve_or (gfc_expr *, gfc_expr *, gfc_expr *);
void gfc_resolve_pack (gfc_expr *, gfc_expr *, gfc_expr *, gfc_expr *);
void gfc_resolve_product (gfc_expr *, gfc_expr *, gfc_expr *, gfc_expr *);
void gfc_resolve_real (gfc_expr *, gfc_expr *, gfc_expr *);
void gfc_resolve_realpart (gfc_expr *, gfc_expr *);
void gfc_resolve_rename (gfc_expr *, gfc_expr *, gfc_expr *);
void gfc_resolve_repeat (gfc_expr *, gfc_expr *, gfc_expr *);
void gfc_resolve_reshape (gfc_expr *, gfc_expr *, gfc_expr *, gfc_expr *,
			  gfc_expr *);
void gfc_resolve_rrspacing (gfc_expr *, gfc_expr *);
void gfc_resolve_scale (gfc_expr *, gfc_expr *, gfc_expr *);
void gfc_resolve_scan (gfc_expr *, gfc_expr *, gfc_expr *, gfc_expr *,
		       gfc_expr *);
void gfc_resolve_second_sub (gfc_code *);
void gfc_resolve_secnds (gfc_expr *, gfc_expr *);
void gfc_resolve_set_exponent (gfc_expr *, gfc_expr *, gfc_expr *);
void gfc_resolve_shape (gfc_expr *, gfc_expr *);
void gfc_resolve_sign (gfc_expr *, gfc_expr *, gfc_expr *);
void gfc_resolve_signal (gfc_expr *, gfc_expr *, gfc_expr *);
void gfc_resolve_sin (gfc_expr *, gfc_expr *);
void gfc_resolve_sinh (gfc_expr *, gfc_expr *);
void gfc_resolve_size (gfc_expr *, gfc_expr *, gfc_expr *, gfc_expr *);
void gfc_resolve_spacing (gfc_expr *, gfc_expr *);
void gfc_resolve_spread (gfc_expr *, gfc_expr *, gfc_expr *, gfc_expr *);
void gfc_resolve_sqrt (gfc_expr *, gfc_expr *);
void gfc_resolve_stat (gfc_expr *, gfc_expr *, gfc_expr *);
void gfc_resolve_srand (gfc_code *);
void gfc_resolve_sum (gfc_expr *, gfc_expr *, gfc_expr *, gfc_expr *);
void gfc_resolve_symlnk (gfc_expr *, gfc_expr *, gfc_expr *);
void gfc_resolve_system (gfc_expr *, gfc_expr *);
void gfc_resolve_tan (gfc_expr *, gfc_expr *);
void gfc_resolve_tanh (gfc_expr *, gfc_expr *);
void gfc_resolve_time (gfc_expr *);
void gfc_resolve_time8 (gfc_expr *);
void gfc_resolve_transfer (gfc_expr *, gfc_expr *, gfc_expr *, gfc_expr *);
void gfc_resolve_transpose (gfc_expr *, gfc_expr *);
void gfc_resolve_trim (gfc_expr *, gfc_expr *);
void gfc_resolve_ttynam (gfc_expr *, gfc_expr *);
void gfc_resolve_ubound (gfc_expr *, gfc_expr *, gfc_expr *, gfc_expr *);
void gfc_resolve_umask (gfc_expr *, gfc_expr *);
void gfc_resolve_unlink (gfc_expr *, gfc_expr *);
void gfc_resolve_unpack (gfc_expr *, gfc_expr *, gfc_expr *, gfc_expr *);
void gfc_resolve_verify (gfc_expr *, gfc_expr *, gfc_expr *, gfc_expr *,
			 gfc_expr *);
void gfc_resolve_xor (gfc_expr *, gfc_expr *, gfc_expr *);
 
 
/* Intrinsic subroutine resolution.  */
void gfc_resolve_alarm_sub (gfc_code *);
void gfc_resolve_chdir_sub (gfc_code *);
void gfc_resolve_chmod_sub (gfc_code *);
void gfc_resolve_cpu_time (gfc_code *);
void gfc_resolve_ctime_sub (gfc_code *);
void gfc_resolve_exit (gfc_code *);
void gfc_resolve_fdate_sub (gfc_code *);
void gfc_resolve_flush (gfc_code *);
void gfc_resolve_free (gfc_code *);
void gfc_resolve_fseek_sub (gfc_code *);
void gfc_resolve_fstat_sub (gfc_code *);
void gfc_resolve_ftell_sub (gfc_code *);
void gfc_resolve_fgetc_sub (gfc_code *);
void gfc_resolve_fget_sub (gfc_code *);
void gfc_resolve_fputc_sub (gfc_code *);
void gfc_resolve_fput_sub (gfc_code *);
void gfc_resolve_gerror (gfc_code *);
void gfc_resolve_getarg (gfc_code *);
void gfc_resolve_getcwd_sub (gfc_code *);
void gfc_resolve_getlog (gfc_code *);
void gfc_resolve_get_command (gfc_code *);
void gfc_resolve_get_command_argument (gfc_code *);
void gfc_resolve_get_environment_variable (gfc_code *);
void gfc_resolve_gmtime (gfc_code *);
void gfc_resolve_hostnm_sub (gfc_code *);
void gfc_resolve_idate (gfc_code *);
void gfc_resolve_itime (gfc_code *);
void gfc_resolve_kill_sub (gfc_code *);
void gfc_resolve_lstat_sub (gfc_code *);
void gfc_resolve_ltime (gfc_code *);
void gfc_resolve_mvbits (gfc_code *);
void gfc_resolve_perror (gfc_code *);
void gfc_resolve_random_number (gfc_code *);
void gfc_resolve_random_seed (gfc_code *);
void gfc_resolve_rename_sub (gfc_code *);
void gfc_resolve_link_sub (gfc_code *);
void gfc_resolve_symlnk_sub (gfc_code *);
void gfc_resolve_signal_sub (gfc_code *);
void gfc_resolve_sleep_sub (gfc_code *);
void gfc_resolve_stat_sub (gfc_code *);
void gfc_resolve_system_clock (gfc_code *);
void gfc_resolve_system_sub (gfc_code *);
void gfc_resolve_ttynam_sub (gfc_code *);
void gfc_resolve_umask_sub (gfc_code *);
void gfc_resolve_unlink_sub (gfc_code *);
 
 
/* The mvbits() subroutine requires the most arguments: five.  */
 
#define MAX_INTRINSIC_ARGS 5
 
extern const char *gfc_current_intrinsic;
extern const char *gfc_current_intrinsic_arg[MAX_INTRINSIC_ARGS];
extern locus *gfc_current_intrinsic_where;