procyberian/gcc
1
0
Fork 0
Code Issues Pull requests Projects Releases Packages Wiki Activity Actions

re PR libfortran/47716 (libgfortran quadmath_weak.h not found on NetBSD 5.1)

Browse source 
2011-02-15  Tobias Burnus  <burnus@net-b.de>

        PR fortran/47716
        PR fortran/47648
        * acinclude.m4 (LIBGFOR_CHECK_FLOAT128): Use check from
        libquadmath, which uses more features.
        * configure: Regenerate.

From-SVN: r170200
This commit is contained in:
Tobias Burnus 2011-02-15 22:30:43 +01:00 • committed by Tobias Burnus
parent fc2fa4fb38
commit 69eb61d47a
3 changed files with 105 additions and 31 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

8
libgfortran/ChangeLog
View file

@ -1,3 +1,11 @@
2011-02-15 Tobias Burnus <burnus@net-b.de>
PR fortran/47716
PR fortran/47648
* acinclude.m4 (LIBGFOR_CHECK_FLOAT128): Use check from
libquadmath, which uses more features.
* configure: Regenerate.
2011-02-14 Jakub Jelinek <jakub@redhat.com>
PR fortran/47642

39
libgfortran/acinclude.m4
View file

@ -284,24 +284,33 @@ AC_DEFUN([LIBGFOR_CHECK_FLOAT128], [
AC_CACHE_CHECK([whether we have a usable __float128 type],
libgfor_cv_have_float128, [
AC_TRY_LINK([
/* no header */
],[
typedef _Complex float __attribute__((mode(TC))) __complex128;
GCC_TRY_COMPILE_OR_LINK([
typedef _Complex float __attribute__((mode(TC))) __complex128;
__float128 x;
x = __builtin_huge_valq() - 2.e1000Q;
__float128 foo (__float128 x)
{
__complex128 z1, z2;
z1 = x;
z2 = 2.Q;
__complex128 z1, z2;
z1 /= z2;
z1 /= 7.Q;
],
libgfor_cv_have_float128=yes,
libgfor_cv_have_float128=no)
])
z1 = x;
z2 = x / 7.Q;
z2 /= z1;
return (__float128) z2;
}
__float128 bar (__float128 x)
{
return x * __builtin_huge_valq ();
}
],[
foo (1.2Q);
bar (1.2Q);
],[
libgfor_cv_have_float128=yes
],[
libgfor_cv_have_float128=no
])])
if test "x$libgfor_cv_have_float128" = xyes; then
AC_DEFINE(HAVE_FLOAT128, 1, [Define if have a usable __float128 type.])

89
libgfortran/configure vendored
View file

@ -25075,42 +25075,99 @@ if test "${libgfor_cv_have_float128+set}" = set; then :
$as_echo_n "(cached) " >&6
else
if test x$gcc_no_link = xyes; then
as_fn_error "Link tests are not allowed after GCC_NO_EXECUTABLES." "$LINENO" 5
fi
cat confdefs.h - <<_ACEOF >conftest.$ac_ext
if test x$gcc_no_link = xyes; then
cat confdefs.h - <<_ACEOF >conftest.$ac_ext
/* end confdefs.h. */
/* no header */
typedef _Complex float __attribute__((mode(TC))) __complex128;
__float128 foo (__float128 x)
{
__complex128 z1, z2;
z1 = x;
z2 = x / 7.Q;
z2 /= z1;
return (__float128) z2;
}
__float128 bar (__float128 x)
{
return x * __builtin_huge_valq ();
}
int
main ()
{
typedef _Complex float __attribute__((mode(TC))) __complex128;
foo (1.2Q);
bar (1.2Q);
__float128 x;
x = __builtin_huge_valq() - 2.e1000Q;
;
return 0;
}
_ACEOF
if ac_fn_c_try_compile "$LINENO"; then :
__complex128 z1, z2;
z1 = x;
z2 = 2.Q;
libgfor_cv_have_float128=yes
z1 /= z2;
z1 /= 7.Q;
else
libgfor_cv_have_float128=no
fi
rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
else
if test x$gcc_no_link = xyes; then
as_fn_error "Link tests are not allowed after GCC_NO_EXECUTABLES." "$LINENO" 5
fi
cat confdefs.h - <<_ACEOF >conftest.$ac_ext
/* end confdefs.h. */
typedef _Complex float __attribute__((mode(TC))) __complex128;
__float128 foo (__float128 x)
{
__complex128 z1, z2;
z1 = x;
z2 = x / 7.Q;
z2 /= z1;
return (__float128) z2;
}
__float128 bar (__float128 x)
{
return x * __builtin_huge_valq ();
}
int
main ()
{
foo (1.2Q);
bar (1.2Q);
;
return 0;
}
_ACEOF
if ac_fn_c_try_link "$LINENO"; then :
libgfor_cv_have_float128=yes
libgfor_cv_have_float128=yes
else
libgfor_cv_have_float128=no
libgfor_cv_have_float128=no
fi
rm -f core conftest.err conftest.$ac_objext \
conftest$ac_exeext conftest.$ac_ext
fi
fi
{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $libgfor_cv_have_float128" >&5
$as_echo "$libgfor_cv_have_float128" >&6; }