hot_cold:
 * peephole opt of 
      jump L1
      X
   L1:

sparc_loader:

 * Remove the need to have a .beam file loaded. (This might work already.)
 * Make the BEAM loader invoke the patching when a .beam file is
   loaded so that native code calls the beam code.
 * Add exporting of exported constants.
 * Add support for freeing of catch-indices.
 * Add freeing of old code. 
 * Add freeing of catch-indices.
 * Inline sparc_ext_format somehow.
 * Test a lot.
 * Make the module autoload on startup.
 * Make the code_server load HiPE code automatically when appropriate.
 * Test a lot.
 * Flush the I-cache after patch.

