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, 53 insertions, 0 deletions

diff --git a/libquadmath/acinclude.m4 b/libquadmath/acinclude.m4
new file mode 100644
index 00000000000..3bbd0550a4f
--- /dev/null
+++ b/libquadmath/acinclude.m4
@@ -0,0 +1,53 @@
+dnl ----------------------------------------------------------------------
+dnl This whole bit snagged from libgfortran.
+
+dnl Check whether the target supports __sync_*_compare_and_swap.
+AC_DEFUN([LIBGOMP_CHECK_SYNC_BUILTINS], [
+  AC_CACHE_CHECK([whether the target supports __sync_*_compare_and_swap],
+                 libgomp_cv_have_sync_builtins, [
+  AC_TRY_LINK([], [int foo; __sync_val_compare_and_swap(&foo, 0, 1);],
+              libgomp_cv_have_sync_builtins=yes, libgomp_cv_have_sync_builtins=no)])
+  if test $libgomp_cv_have_sync_builtins = yes; then
+    AC_DEFINE(HAVE_SYNC_BUILTINS, 1,
+              [Define to 1 if the target supports __sync_*_compare_and_swap])
+  fi])
+
+dnl Check whether the target supports hidden visibility.
+AC_DEFUN([LIBGOMP_CHECK_ATTRIBUTE_VISIBILITY], [
+  AC_CACHE_CHECK([whether the target supports hidden visibility],
+                 libgomp_cv_have_attribute_visibility, [
+  save_CFLAGS="$CFLAGS"
+  CFLAGS="$CFLAGS -Werror"
+  AC_TRY_COMPILE([void __attribute__((visibility("hidden"))) foo(void) { }],
+                 [], libgomp_cv_have_attribute_visibility=yes,
+                 libgomp_cv_have_attribute_visibility=no)
+  CFLAGS="$save_CFLAGS"])
+  if test $libgomp_cv_have_attribute_visibility = yes; then
+    AC_DEFINE(HAVE_ATTRIBUTE_VISIBILITY, 1,
+      [Define to 1 if the target supports __attribute__((visibility(...))).])
+  fi])
+
+dnl Check whether the target supports dllexport
+AC_DEFUN([LIBGOMP_CHECK_ATTRIBUTE_DLLEXPORT], [
+  AC_CACHE_CHECK([whether the target supports dllexport],
+                 libgomp_cv_have_attribute_dllexport, [
+  save_CFLAGS="$CFLAGS"
+  CFLAGS="$CFLAGS -Werror"
+  AC_TRY_COMPILE([void __attribute__((dllexport)) foo(void) { }],
+                 [], libgomp_cv_have_attribute_dllexport=yes,
+                 libgomp_cv_have_attribute_dllexport=no)
+  CFLAGS="$save_CFLAGS"])
+  if test $libgomp_cv_have_attribute_dllexport = yes; then
+    AC_DEFINE(HAVE_ATTRIBUTE_DLLEXPORT, 1,
+      [Define to 1 if the target supports __attribute__((dllexport)).])
+  fi])
+
+sinclude(../libtool.m4)
+dnl The lines below arrange for aclocal not to bring an installed
+dnl libtool.m4 into aclocal.m4, while still arranging for automake to
+dnl add a definition of LIBTOOL to Makefile.in.
+ifelse(,,,[AC_SUBST(LIBTOOL)
+AC_DEFUN([AM_PROG_LIBTOOL])
+AC_DEFUN([AC_LIBTOOL_DLOPEN])
+AC_DEFUN([AC_PROG_LD])
+])