> -----Original Message----- > From: nitin jain [mailto:nitin_mbm@xxxxxxxxx] > Sent: Friday, August 22, 2003 4:56 PM > To: gcc-help@xxxxxxxxxxx > Subject: Problem in .md(Machine Description) file > > > Hi, > > I have to write a machine description file for a chip. > For that, i am trying to understand the structure and > systex of the machine description file of i386. > > My problem is that why a 'define_insn' with a name > that start with '*' is used. Is it used for generating > RTL insn or for other purpose? The * in insn name is used for identifying the instruction in RTL dumps. These are no different from the nameless pattern. Regards, Rakesh