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r111573 - in /trunk/gcc: ChangeLog combine.c rt...


Author: nemet
Date: Tue Feb 28 20:32:20 2006
New Revision: 111573

URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=111573
Log:
	* rtl.h (truncated_to_mode): Declare it.
	(struct rtl_hooks): Add reg_truncated_to_mode hook.
	* rtlhooks-def.h (RTL_HOOKS_REG_TRUNCATED_TO_MODE): New macro.
	(RTL_HOOKS_INITIALIZER): Include it.
	* rtlhooks.c (reg_truncated_to_mode_general): New function.
	* combine.c (RTL_HOOKS_REG_TRUNCATED_TO_MODE): Override to
	reg_truncated_to_mode.
	* rtlanal.c (truncated_to_mode): Define it.
	* simplify-rtx.c (simplify_unary_operation_1): Use it.

Modified:
    trunk/gcc/ChangeLog
    trunk/gcc/combine.c
    trunk/gcc/rtl.h
    trunk/gcc/rtlanal.c
    trunk/gcc/rtlhooks-def.h
    trunk/gcc/rtlhooks.c
    trunk/gcc/simplify-rtx.c


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