r126168 - in /trunk/gcc: ChangeLog dce.c

[zadeck@gcc.gnu.org]

Author: zadeck
Date: Sun Jul  1 14:43:47 2007
New Revision: 126168

URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=126168
Log:
2007-07-01  Richard Sandiford  <richard@codesourcery.com>

	Unreverting Richard's Revert of:

	2007-06-27  Richard Sandiford  <richard@codesourcery.com>

	* dce.c (deletable_insn_p_1): New function, split out from...
	(deletable_insn_p): ...here.  Only treat bare USEs and CLOBBERs
	specially, not those inside PARALLELs.  Remove BODY argument
	and adjust recursive call accordingly.
	(prescan_insns_for_dce): Update call to delete_insn_p.



Modified:
    trunk/gcc/ChangeLog
    trunk/gcc/dce.c