820
821
822
823
824
825
826
827
828
829
830
831
832
833
|
AC_MSG_RESULT($fp_endianess)
AS_IF([test x"$fp_endianess" = x"unknown"], [
AC_MSG_ERROR(
[Floating point implementation does not conform to IEEE 754!])])
case "$host_cpu" in
arm* | earm*)
AC_MSG_CHECKING(for VFP2 or above)
AC_COMPILE_IFELSE([
AC_LANG_PROGRAM([], [
#if !defined(__arm64__) && !defined(__aarch64__) && \
!defined(__ARM64_ARCH_8__)
__asm__ __volatile__ (
"vstmdb sp!, {d0-d7}"
|
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
|
820
821
822
823
824
825
826
827
828
829
830
831
832
833
834
835
836
837
838
839
840
841
842
843
844
845
846
847
848
849
850
|
AC_MSG_RESULT($fp_endianess)
AS_IF([test x"$fp_endianess" = x"unknown"], [
AC_MSG_ERROR(
[Floating point implementation does not conform to IEEE 754!])])
case "$host_cpu" in
arm* | earm*)
AC_MSG_CHECKING(for blx)
AC_COMPILE_IFELSE([
AC_LANG_PROGRAM([], [
#if !defined(__arm64__) && !defined(__arch64__) && \
!defined(__ARM64_ARCH_8__)
__asm__ __volatile__ (
"blx r12"
);
#endif
])
], [
AC_DEFINE(HAVE_BLX, 1, [Whether we have blx])
AC_MSG_RESULT(yes)
], [
AC_MSG_RESULT(no)
])
AC_MSG_CHECKING(for VFP2 or above)
AC_COMPILE_IFELSE([
AC_LANG_PROGRAM([], [
#if !defined(__arm64__) && !defined(__aarch64__) && \
!defined(__ARM64_ARCH_8__)
__asm__ __volatile__ (
"vstmdb sp!, {d0-d7}"
|