diff options
Diffstat (limited to 'config/toolchain-simd.m4')
| -rw-r--r-- | config/toolchain-simd.m4 | 21 |
1 files changed, 21 insertions, 0 deletions
diff --git a/config/toolchain-simd.m4 b/config/toolchain-simd.m4 index 37627b813..e86eb7f17 100644 --- a/config/toolchain-simd.m4 +++ b/config/toolchain-simd.m4 @@ -23,6 +23,7 @@ AC_DEFUN([ZFS_AC_CONFIG_ALWAYS_TOOLCHAIN_SIMD], [ ZFS_AC_CONFIG_TOOLCHAIN_CAN_BUILD_AVX512VL ZFS_AC_CONFIG_TOOLCHAIN_CAN_BUILD_AES ZFS_AC_CONFIG_TOOLCHAIN_CAN_BUILD_PCLMULQDQ + ZFS_AC_CONFIG_TOOLCHAIN_CAN_BUILD_MOVBE ;; esac ]) @@ -401,3 +402,23 @@ AC_DEFUN([ZFS_AC_CONFIG_TOOLCHAIN_CAN_BUILD_PCLMULQDQ], [ AC_MSG_RESULT([no]) ]) ]) + +dnl # +dnl # ZFS_AC_CONFIG_TOOLCHAIN_CAN_BUILD_MOVBE +dnl # +AC_DEFUN([ZFS_AC_CONFIG_TOOLCHAIN_CAN_BUILD_MOVBE], [ + AC_MSG_CHECKING([whether host toolchain supports MOVBE]) + + AC_LINK_IFELSE([AC_LANG_SOURCE([ + [ + void main() + { + __asm__ __volatile__("movbe 0(%eax), %eax"); + } + ]])], [ + AC_MSG_RESULT([yes]) + AC_DEFINE([HAVE_MOVBE], 1, [Define if host toolchain supports MOVBE]) + ], [ + AC_MSG_RESULT([no]) + ]) +]) |