diff options
Diffstat (limited to 'sysdeps/powerpc/powerpc32/fpu/configure.ac')
| -rw-r--r-- | sysdeps/powerpc/powerpc32/fpu/configure.ac | 16 |
1 files changed, 16 insertions, 0 deletions
diff --git a/sysdeps/powerpc/powerpc32/fpu/configure.ac b/sysdeps/powerpc/powerpc32/fpu/configure.ac index e596e793ae..1899705aab 100644 --- a/sysdeps/powerpc/powerpc32/fpu/configure.ac +++ b/sysdeps/powerpc/powerpc32/fpu/configure.ac @@ -16,3 +16,19 @@ rm -rf conftest*]) if test $libc_cv_ppc_fcfid = yes; then AC_DEFINE([HAVE_PPC_FCFID]) fi + +# Test whether floating point to long long conversions use fctidz. +AC_CACHE_CHECK([for fctidz use], [libc_cv_ppc_fctidz], [dnl +echo 'long long int foo (double x) { return (long long int) x; }' > conftest.c +libc_cv_ppc_fctidz=no +if AC_TRY_COMMAND(${CC-cc} -S $CFLAGS conftest.c -o conftest.s 1>&AS_MESSAGE_LOG_FD); then +changequote(,)dnl + if grep '[ ]fctidz' conftest.s > /dev/null 2>&1; then + libc_cv_ppc_fctidz=yes + fi +changequote([,])dnl +fi +rm -rf conftest*]) +if test $libc_cv_ppc_fctidz = yes; then + AC_DEFINE([HAVE_PPC_FCTIDZ]) +fi |