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r153652 - in /trunk/gcc: ChangeLog df-problems.c


Author: bonzini
Date: Wed Oct 28 12:37:30 2009
New Revision: 153652

URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=153652
Log:
2009-10-28  Paolo Bonzini  <bonzini@gnu.org>

	PR rtl-optimization/41812

	Revert:
	2009-06-27  Paolo Bonzini  <bonzini@gnu.org>

	* df-problems.c (df_md_scratch): New.
	(df_md_alloc, df_md_free): Allocate/free it.
	(df_md_local_compute): Only include live registers in init.
	(df_md_transfer_function): Prune the in-set computed by
	the confluence function, and the gen-set too.

Modified:
    trunk/gcc/ChangeLog
    trunk/gcc/df-problems.c


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