Faster compilation speed

[David S. Miller]

   From: Dale Johannesen <dalej@apple.com>
   Date: Wed, 14 Aug 2002 11:04:46 -0700

   On Wednesday, August 14, 2002, at 10:42 AM, David S. Miller wrote:
   
   > My implementation (I posted the hacked up infrastructure patch the
   > other day) used space which is currently empty alongside a bitfield
   > in the rtx.
   
   Looks to me like you increased the total bitfield usage in rtx_def
   from 32 to 56 bits.  That's free on a machine with 64-bit words I
   suppose, is that what you're talking about?  It's certainly not
   empty space on a 32-bit machine.
   
Ignore me, I can't count.