From bf3fb7e43c8d1f22edda0c427a2ac194e8db104b Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Fran=C3=A7ois-Xavier=20Coudert?= <fxcoudert@gcc.gnu.org>
Date: Wed, 26 Jul 2006 11:58:48 +0000
Subject: intrinsic.c (add_functions): Add INT2, SHORT, INT8, LONG, LSTAT,
 MCLOCK and MCLOCK8 intrinsic functions.

	* intrinsic.c (add_functions): Add INT2, SHORT, INT8, LONG,
	LSTAT, MCLOCK and MCLOCK8 intrinsic functions.
	(add_subroutines): Add LSTAT intrinsic subroutine.
	* gfortran.h (gfc_generic_isym_id): Add GFC_ISYM_INT2,
	GFC_ISYM_INT8, GFC_ISYM_LONG, GFC_ISYM_LSTAT, GFC_ISYM_MCLOCK
	and GFC_ISYM_MCLOCK8.
	* iresolve.c (gfc_resolve_int2, gfc_resolve_int8,
	gfc_resolve_long, gfc_resolve_lstat, gfc_resolve_mclock,
	gfc_resolve_mclock8, gfc_resolve_lstat_sub): New functions.
	* check.c (gfc_check_intconv): New function.
	* trans-intrinsic.c (gfc_conv_intrinsic_function): Add cases for
	the added GFC_ISYM_*.
	* simplify.c (gfc_simplify_intconv, gfc_simplify_int2,
	gfc_simplify_int8, gfc_simplify_long): New functions.
	* intrinsic.h (gfc_check_intconv, gfc_simplify_int2,
	gfc_simplify_int8, gfc_simplify_long, gfc_resolve_int2,
	gfc_resolve_int8, gfc_resolve_long, gfc_resolve_lstat,
	gfc_resolve_mclock, gfc_resolve_mclock8, gfc_resolve_lstat_sub):
	Add prototypes.

	* gfortran.dg/mclock.f90: New test.
	* gfortran.dg/int_conv_1.f90: New test.
	* gfortran.dg/stat_1.f90: New test.
	* gfortran.dg/stat_2.f90: New test.

	* configure.ac: Check for function clock.
	* Makefile.am: Compile new file intrinsics/clock.c.
	* intrinsics/clock.c: New file.
	* Makefile.in: Regenerate.
	* configure: Regenerate.
	* config.h.in: Regenerate.
	* intrinsics/stat.c: Rename the old stat_i?_sub functions to
	helper functions stat_i?_sub_0, and use them for both STAT and
	LSTAT.

From-SVN: r115754
---
 gcc/fortran/simplify.c | 60 ++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 60 insertions(+)

(limited to 'gcc/fortran/simplify.c')

diff --git a/gcc/fortran/simplify.c b/gcc/fortran/simplify.c
index b77537c..8a7d79b 100644
--- a/gcc/fortran/simplify.c
+++ b/gcc/fortran/simplify.c
@@ -1610,6 +1610,66 @@ gfc_simplify_int (gfc_expr * e, gfc_expr * k)
 }
 
 
+static gfc_expr *
+gfc_simplify_intconv (gfc_expr * e, int kind, const char *name)
+{
+  gfc_expr *rpart, *rtrunc, *result;
+
+  if (e->expr_type != EXPR_CONSTANT)
+    return NULL;
+
+  result = gfc_constant_result (BT_INTEGER, kind, &e->where);
+
+  switch (e->ts.type)
+    {
+    case BT_INTEGER:
+      mpz_set (result->value.integer, e->value.integer);
+      break;
+
+    case BT_REAL:
+      rtrunc = gfc_copy_expr (e);
+      mpfr_trunc (rtrunc->value.real, e->value.real);
+      gfc_mpfr_to_mpz (result->value.integer, rtrunc->value.real);
+      gfc_free_expr (rtrunc);
+      break;
+
+    case BT_COMPLEX:
+      rpart = gfc_complex2real (e, kind);
+      rtrunc = gfc_copy_expr (rpart);
+      mpfr_trunc (rtrunc->value.real, rpart->value.real);
+      gfc_mpfr_to_mpz (result->value.integer, rtrunc->value.real);
+      gfc_free_expr (rpart);
+      gfc_free_expr (rtrunc);
+      break;
+
+    default:
+      gfc_error ("Argument of %s at %L is not a valid type", name, &e->where);
+      gfc_free_expr (result);
+      return &gfc_bad_expr;
+    }
+
+  return range_check (result, name);
+}
+
+gfc_expr *
+gfc_simplify_int2 (gfc_expr * e)
+{
+  return gfc_simplify_intconv (e, 2, "INT2");
+}
+
+gfc_expr *
+gfc_simplify_int8 (gfc_expr * e)
+{
+  return gfc_simplify_intconv (e, 8, "INT8");
+}
+
+gfc_expr *
+gfc_simplify_long (gfc_expr * e)
+{
+  return gfc_simplify_intconv (e, 4, "LONG");
+}
+
+
 gfc_expr *
 gfc_simplify_ifix (gfc_expr * e)
 {
-- 
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