- (inst push object)
- (inst lea eax (make-fixup (extern-alien-name "debug_print") :foreign))
- (inst call (make-fixup (extern-alien-name "call_into_c") :foreign))
- (inst add esp-tn n-word-bytes)
+ ;; the stack should be 16-byte aligned on Darwin
+ #!-darwin (inst push object)
+ #!+darwin (progn (inst mov prev-stack-pointer esp-tn)
+ (inst sub esp-tn n-word-bytes)
+ (inst and esp-tn -16)
+ (storew object esp-tn))
+ (inst lea eax (make-fixup "debug_print" :foreign))
+ (inst call (make-fixup "call_into_c" :foreign))
+ #!-darwin (inst add esp-tn n-word-bytes)
+ #!+darwin (inst mov esp-tn prev-stack-pointer)