diff options
| -rw-r--r-- | libgfortran/acinclude.m4 | 12 | ||||
| -rw-r--r-- | libgfortran/config.h.in | 2 | ||||
| -rwxr-xr-x | libgfortran/configure | 16 |
3 files changed, 24 insertions, 6 deletions
diff --git a/libgfortran/acinclude.m4 b/libgfortran/acinclude.m4 index dbf687e..7585df1 100644 --- a/libgfortran/acinclude.m4 +++ b/libgfortran/acinclude.m4 @@ -261,7 +261,7 @@ __mingw_snprintf (NULL, 0, "%d\n", 1); fi ]) -dnl Check whether we have a __float128 type +dnl Check whether we have a __float128 and _Float128 type AC_DEFUN([LIBGFOR_CHECK_FLOAT128], [ LIBQUADSPEC= LIBQUADLIB= @@ -276,7 +276,6 @@ AC_DEFUN([LIBGFOR_CHECK_FLOAT128], [ GCC_TRY_COMPILE_OR_LINK([ _Float128 foo (_Float128 x) { - _Complex _Float128 z1, z2; z1 = x; @@ -290,11 +289,18 @@ AC_DEFUN([LIBGFOR_CHECK_FLOAT128], [ { return x * __builtin_huge_valf128 (); } + + __float128 baz (__float128 x) + { + return x * __builtin_huge_valf128 (); + } ],[ foo (1.2F128); bar (1.2F128); + baz (1.2F128); foo (1.2Q); bar (1.2Q); + baz (1.2Q); ],[ libgfor_cv_have_float128=yes ],[ @@ -310,7 +316,7 @@ AC_DEFUN([LIBGFOR_CHECK_FLOAT128], [ if test "x$USE_IEC_60559" = xyes; then AC_DEFINE(USE_IEC_60559, 1, [Define if IEC 60559 *f128 APIs should be used for _Float128.]) fi - AC_DEFINE(HAVE_FLOAT128, 1, [Define if have a usable _Float128 type.]) + AC_DEFINE(HAVE_FLOAT128, 1, [Define if target has usable _Float128 and __float128 types.]) dnl Check whether -Wl,--as-needed resp. -Wl,-zignore is supported dnl diff --git a/libgfortran/config.h.in b/libgfortran/config.h.in index c403934..da2c44c 100644 --- a/libgfortran/config.h.in +++ b/libgfortran/config.h.in @@ -468,7 +468,7 @@ /* Define to 1 if you have the <fenv.h> header file. */ #undef HAVE_FENV_H -/* Define if have a usable _Float128 type. */ +/* Define if target has usable _Float128 and __float128 types. */ #undef HAVE_FLOAT128 /* Define to 1 if you have the <floatingpoint.h> header file. */ diff --git a/libgfortran/configure b/libgfortran/configure index c833591..c440721 100755 --- a/libgfortran/configure +++ b/libgfortran/configure @@ -30130,7 +30130,6 @@ else _Float128 foo (_Float128 x) { - _Complex _Float128 z1, z2; z1 = x; @@ -30145,14 +30144,21 @@ else return x * __builtin_huge_valf128 (); } + __float128 baz (__float128 x) + { + return x * __builtin_huge_valf128 (); + } + int main () { foo (1.2F128); bar (1.2F128); + baz (1.2F128); foo (1.2Q); bar (1.2Q); + baz (1.2Q); ; return 0; @@ -30177,7 +30183,6 @@ cat confdefs.h - <<_ACEOF >conftest.$ac_ext _Float128 foo (_Float128 x) { - _Complex _Float128 z1, z2; z1 = x; @@ -30192,14 +30197,21 @@ cat confdefs.h - <<_ACEOF >conftest.$ac_ext return x * __builtin_huge_valf128 (); } + __float128 baz (__float128 x) + { + return x * __builtin_huge_valf128 (); + } + int main () { foo (1.2F128); bar (1.2F128); + baz (1.2F128); foo (1.2Q); bar (1.2Q); + baz (1.2Q); ; return 0; |