r135670 - in /branches/gcc-4_2-branch/gcc: Chan...

[nemet@gcc.gnu.org]

Author: nemet
Date: Tue May 20 18:42:09 2008
New Revision: 135670

URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=135670
Log:
	PR middle-end/36194
	* combine.c (check_conversion): Rename to check_promoted_subreg.
	Don't call record_truncated_value from here.
	(record_truncated_value): Turn it into a for_each_rtx callback.
	(record_truncated_values): New function.
	(combine_instructions): Call note_uses with
	record_truncated_values.  Change name of check_conversion to
	check_promoted_subreg.

testsuite/

	* gcc.dg/pr36194.c: New test.

Added:
    branches/gcc-4_2-branch/gcc/testsuite/gcc.dg/pr36194.c
Modified:
    branches/gcc-4_2-branch/gcc/ChangeLog
    branches/gcc-4_2-branch/gcc/combine.c
    branches/gcc-4_2-branch/gcc/testsuite/ChangeLog