re PR fortran/32049 (Support on x86_64 also kind=16)

/
2010-11-13  Francois-Xavier Coudert  <fxcoudert@gcc.gnu.org>
            Tobias Burnus  <burnus@net-b.de>

        PR fortran/32049
        * Makefile.def: Add libquadmath; build it with language=fortran.
        * configure.ac: Add libquadmath.
        * Makefile.tpl: Handle multiple libs in check-[+language+].
        * Makefile.in: Regenerate.
        * configure: Regenerate.

libquadmath/
2010-11-13  Francois-Xavier Coudert  <fxcoudert@gcc.gnu.org>
            Tobias Burnus  <burnus@net-b.de>

        PR fortran/32049
        Initial implementation and checkin.

gcc/fortran/
2010-11-13  Francois-Xavier Coudert  <fxcoudert@gcc.gnu.org>
            Tobias Burnus  <burnus@net-b.de>

        PR fortran/32049
        * gfortranspec.c (find_spec_file): New function.
        (lang_specific_driver): Try to find .spec file and use it.
        * trans-io.c (iocall): Define
        * IOCALL_X_REAL128/COMPLEX128(,write).
        (gfc_build_io_library_fndecls): Build decl for __float128 I/O.
        (transfer_expr): Call __float128 I/O functions.
        * trans-types.c (gfc_init_kinds): Allow kind-16 belonging
        to __float128.

gcc/testsuite/
2010-11-13  Francois-Xavier Coudert  <fxcoudert@gcc.gnu.org>
            Tobias Burnus  <burnus@net-b.de>

        PR fortran/32049
        * gfortran.dg/quad_1.f90: New.
        * lib/gcc-defs.exp (gcc-set-multilib-library-path): Use also
        compiler arguments.
        * lib/gfortran.exp (gfortran_link_flags): Add libquadmath to
        library search path; call gcc-set-multilib-library-path with
        arguments such that libgfortran.spec is found.
        (gfortran_init): Add path for libgfortran.spec to
GFORTRAN_UNDER_TEST.

libgomp/
2010-11-13  Francois-Xavier Coudert  <fxcoudert@gcc.gnu.org>
            Tobias Burnus  <burnus@net-b.de>

        PR fortran/32049
        * configure.ac: 
        * configure: Regenerate.

libgfortran/
2010-11-13  Francois-Xavier Coudert  <fxcoudert@gcc.gnu.org>
            Tobias Burnus  <burnus@net-b.de>

        PR fortran/32049
        * Makefile.am: Add missing pow_r16_i4.c, add transfer128.c,
        link libquadmath, if used.
        * acinclude.m4 (LIBGFOR_CHECK_FLOAT128): Add.
        * configure.ac: Use it, touch spec file.
        * gfortran.map: Add pow_r16_i4 and
        transfer_(real,complex)128(,write) functions.
        * intrinsics/cshift0.c (cshift0): Handle __float128 type.
        * intrinsics/erfc_scaled_inc.c: Ditto.
        * intrinsics/pack_generic.c (pack): Ditto
        * intrinsics/spread_generic.c (spread): Ditto.
        * intrinsics/unpack_generic.c (unpack1): Ditto.
        * io/read.c (convert_real): Ditto.
        * io/transfer.c: Update comments.
        * io/transfer128.c: New file.
        * io/write_float.def (write_float): Handle __float128 type.
        * libgfortran.h: #include quadmath_weak.h, define __builtin_infq
        and nanq.
        * m4/mtype.m4: Handle __float128 type.
        * runtime/in_pack_generic.c (internal_pack): Ditto.
        * runtime/in_unpack_generic.c (internal_unpack): Ditto.
        * kinds-override.h: New file.
        * libgfortran.spec.in: Ditto.
        * generated/pow_r16_i4.c: Generated.
        * Makefile.in: Regenerate.
        * configure: Regenerate.
        * config.h: Regenerate.
        * bessel_r10.c: Regenerate.
        * bessel_r16.c: Regenerate.
        * bessel_r4.c: Regenerate.
        * bessel_r8.c: Regenerate.
        * exponent_r16.c: Regenerate.
        * fraction_r16.c: Regenerate.
        * nearest_r16.c: Regenerate.
        * norm2_r10.c: Regenerate.
        * norm2_r16.c: Regenerate.
        * norm2_r4.c: Regenerate.
        * norm2_r8.c: Regenerate.
        * rrspacing_r16.c: Regenerate.
        * set_exponent_r16.c: Regenerate.
        * spacing_r16.c: Regenerate.


Co-Authored-By: Tobias Burnus <burnus@net-b.de>

From-SVN: r166825

1 files changed, 45 insertions, 4 deletions

diff --git a/gcc/fortran/trans-io.c b/gcc/fortran/trans-io.c
index 2ac3e5c..04ad870 100644
--- a/gcc/fortran/trans-io.c
+++ b/gcc/fortran/trans-io.c
@@ -126,6 +126,10 @@ enum iocall
   IOCALL_X_REAL_WRITE,
   IOCALL_X_COMPLEX,
   IOCALL_X_COMPLEX_WRITE,
+  IOCALL_X_REAL128,
+  IOCALL_X_REAL128_WRITE,
+  IOCALL_X_COMPLEX128,
+  IOCALL_X_COMPLEX128_WRITE,
   IOCALL_X_ARRAY,
   IOCALL_X_ARRAY_WRITE,
   IOCALL_OPEN,
@@ -365,6 +369,23 @@ gfc_build_io_library_fndecls (void)
 	get_identifier (PREFIX("transfer_complex_write")), ".wR",
 	void_type_node, 3, dt_parm_type, pvoid_type_node, gfc_int4_type_node);
 
+  /* Version for __float128.  */
+  iocall[IOCALL_X_REAL128] = gfc_build_library_function_decl_with_spec (
+	get_identifier (PREFIX("transfer_real128")), ".wW",
+	void_type_node, 3, dt_parm_type, pvoid_type_node, gfc_int4_type_node);
+
+  iocall[IOCALL_X_REAL128_WRITE] = gfc_build_library_function_decl_with_spec (
+	get_identifier (PREFIX("transfer_real128_write")), ".wR",
+	void_type_node, 3, dt_parm_type, pvoid_type_node, gfc_int4_type_node);
+
+  iocall[IOCALL_X_COMPLEX128] = gfc_build_library_function_decl_with_spec (
+	get_identifier (PREFIX("transfer_complex128")), ".wW",
+	void_type_node, 3, dt_parm_type, pvoid_type_node, gfc_int4_type_node);
+
+  iocall[IOCALL_X_COMPLEX128_WRITE] = gfc_build_library_function_decl_with_spec (
+	get_identifier (PREFIX("transfer_complex128_write")), ".wR",
+	void_type_node, 3, dt_parm_type, pvoid_type_node, gfc_int4_type_node);
+
   iocall[IOCALL_X_ARRAY] = gfc_build_library_function_decl_with_spec (
 	get_identifier (PREFIX("transfer_array")), ".ww",
 	void_type_node, 4, dt_parm_type, pvoid_type_node,
@@ -2057,18 +2078,38 @@ transfer_expr (gfc_se * se, gfc_typespec * ts, tree addr_expr, gfc_code * code)
     case BT_REAL:
       arg2 = build_int_cst (NULL_TREE, kind);
       if (last_dt == READ)
-	function = iocall[IOCALL_X_REAL];
+	{
+	  if (gfc_real16_is_float128 && ts->kind == 16)
+	    function = iocall[IOCALL_X_REAL128];
+	  else
+	    function = iocall[IOCALL_X_REAL];
+	}
       else
-	function = iocall[IOCALL_X_REAL_WRITE];
+	{
+	  if (gfc_real16_is_float128 && ts->kind == 16)
+	    function = iocall[IOCALL_X_REAL128_WRITE];
+	  else
+	    function = iocall[IOCALL_X_REAL_WRITE];
+	}
 
       break;
 
     case BT_COMPLEX:
       arg2 = build_int_cst (NULL_TREE, kind);
       if (last_dt == READ)
-	function = iocall[IOCALL_X_COMPLEX];
+	{
+	  if (gfc_real16_is_float128 && ts->kind == 16)
+	    function = iocall[IOCALL_X_COMPLEX128];
+	  else
+	    function = iocall[IOCALL_X_COMPLEX];
+	}
       else
-	function = iocall[IOCALL_X_COMPLEX_WRITE];
+	{
+	  if (gfc_real16_is_float128 && ts->kind == 16)
+	    function = iocall[IOCALL_X_COMPLEX128_WRITE];
+	  else
+	    function = iocall[IOCALL_X_COMPLEX_WRITE];
+	}
 
       break;