let assemble_file n
= SysTools.runAs dflags
(map SysTools.Option as_opts ++
+#ifdef sparc_TARGET_ARCH
+ -- We only support SparcV9 and better because V8 lacks an atomic CAS
+ -- instruction so we have to make sure that the assembler accepts the
+ -- instruction set. Note that the user can still override this
+ -- (e.g., -mcpu=ultrasparc). GCC picks the "best" -mcpu flag
+ -- regardless of the ordering.
+ --
+ -- This is a temporary hack.
+ [ SysTools.Option "-mcpu=v9" ] ++
+#endif
[ SysTools.Option "-c"
, SysTools.Option "-o"
, SysTools.FileOption "" (split_obj n)