call_insns in RTX form--two questions

[sean yang]

I guess maybe the 2nd question is a little uncommon, but thank for any 
advice.


>From: "sean yang" <seanatpurdue@hotmail.com>
>To: gcc@gcc.gnu.org
>Subject: call_insns in  RTX form--two questions
>Date: Tue, 30 May 2006 04:09:03 +0000
>
>The first question is: If I want to find a BB that containing a specific 
>function call (say 'foo'), is there an easy way in the RTX level?
>
>The second one is: how can i get the order of different call foo in the 
>final assembly code. Can I get it by dumping some information, say the 
>order of the instruction link list, in RTL representation?
>
>Many thanks,
>Sean
>
>-----------------------------------------------------------------------
>  FOR_EACH_BB(bb){
>    for (cur_insn = BB_HEAD (bb); cur_insn != NEXT_INSN (BB_END (bb));
>	 cur_insn = NEXT_INSN (cur_insn)){
>      if (GET_CODE (cur_insn)==CALL_INSN && /*test if the call is 'foo'*/){ 
>//Question (1)
>	 fprintf ("this is %dth call foo instruction \n", /*some dump*/); 
>//Question (2)
>      }
>    }
>  }
>------------------------------------------------------------------------
>
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