how to force reloader(?) to respect clobber directive?

[Dmitry]

Fellows,

I define:


(define_insn "tstsi"
  [(set (cc0) (match_operand:SI 0 "register_operand" "r"))
        (clobber (match_dup 0))]
  ""
  "* return msp430_emit_tstsi(insn, operands, NULL);"
[(set_attr "length" "2")
 (set_attr "cc" "compare")])

Compiler produces a code in which 0 operand clobbered and used after this insn as being saved.

Should I define something extra to say to gcc to threat 0 operand as clobbered after insn?

Thanks,
~d


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