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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 "$host_cpu" in
arm* | earm*)
AC_MSG_CHECKING(for VFP2 or above)
AC_COMPILE_IFELSE([
AC_LANG_PROGRAM([], [
#if !defined(__arm64__) && !defined(__aarch64__) && \
!defined(__ARM64_ARCH_8__)
__asm__ __volatile__ (
"vstmdb sp!, {d0-d7}"
|
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
|
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|
AC_MSG_RESULT($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}"
|