1 # Use "-mtune=i686" on i?86-*-* unless "-m64" is specified.
2 if { [istarget "i?86-*-*"] } {
3   set target_name [target_info name]
4   if {[board_info $target_name exists multilib_flags]} {
5     set multilib_flags [board_info $target_name multilib_flags]
6     if { ![regexp -- "-m64" $multilib_flags] } {
7       set additional_flags "-mtune=i686"
8     }
9   } else {
10     set additional_flags "-mtune=i686"
11   }
12 }
13 return 0
14