patch to reduce register pressure from strength reduction

Jeffrey A Law
Wed Feb 3 08:01:00 GMT 1999

  In message < >you write:
  > This bootstrap attempt found a different problem - the assembler complained
  > about duplicate labels.  Loop unrolling had duplicated and EH region.
  > The appended patch disables unrolling when there are EH notes in the loop:
  > Wed Feb  3 08:13:38 1999  J"orn Rennecke <>
  > 	* unroll.c (unroll_loop): Disable unrolling when seeing EH region
  > 	notes.
Don't install this patch.  Mark Mitchell & Andrew MacLeod have been working
on fixing the bad interactions between EH & unrolling.

Did the bootstrap otherwise succeed?


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