r141621 - in /branches/gcc-4_3-branch/gcc: Chan...

[jakub@gcc.gnu.org]

Author: jakub
Date: Wed Nov  5 20:42:43 2008
New Revision: 141621

URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=141621
Log:
	PR c/37924
	* combine.c (make_compound_operation): Don't call make_extraction with
	non-positive length.
	(simplify_shift_const_1): Canonicalize count even if complement_p.

	* gcc.c-torture/execute/pr37924.c: New test.

Added:
    branches/gcc-4_3-branch/gcc/testsuite/gcc.c-torture/execute/pr37924.c
Modified:
    branches/gcc-4_3-branch/gcc/ChangeLog
    branches/gcc-4_3-branch/gcc/combine.c
    branches/gcc-4_3-branch/gcc/testsuite/ChangeLog