mirror of
https://github.com/ceph/ceph
synced 2024-12-21 02:42:48 +00:00
28 lines
835 B
Plaintext
28 lines
835 B
Plaintext
AC_DEFUN([AX_ARM_FEATURES],
|
|
[
|
|
AC_REQUIRE([AC_CANONICAL_HOST])
|
|
|
|
case $target_cpu in
|
|
arm*)
|
|
AX_CHECK_COMPILE_FLAG(-mfpu=neon, ax_cv_support_neon_ext=yes, [])
|
|
if test x"$ax_cv_support_neon_ext" = x"yes"; then
|
|
ARM_NEON_FLAGS="-mfpu=neon -DARM_NEON"
|
|
AC_SUBST(ARM_NEON_FLAGS)
|
|
ARM_FLAGS="$ARM_FLAGS $ARM_NEON_FLAGS"
|
|
AC_DEFINE(HAVE_NEON,,[Support NEON instructions])
|
|
fi
|
|
;;
|
|
aarch64*)
|
|
AX_CHECK_COMPILE_FLAG(-march=armv8-a+simd, ax_cv_support_neon_ext=yes, [])
|
|
if test x"$ax_cv_support_neon_ext" = x"yes"; then
|
|
ARM_NEON_FLAGS="-march=armv8-a+simd -DARCH_AARCH64 -DARM_NEON"
|
|
AC_SUBST(ARM_NEON_FLAGS)
|
|
ARM_FLAGS="$ARM_FLAGS $ARM_NEON_FLAGS"
|
|
AC_DEFINE(HAVE_NEON,,[Support NEON instructions])
|
|
fi
|
|
;;
|
|
esac
|
|
|
|
AC_SUBST(ARM_FLAGS)
|
|
])
|