r152702 - in /trunk/gcc: ChangeLog ipa-cp.c ipa...

[jamborm@gcc.gnu.org]

Author: jamborm
Date: Tue Oct 13 11:31:08 2009
New Revision: 152702

URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=152702
Log:
2009-10-13  Martin Jambor  <mjambor@suse.cz>

	PR tree-optimization/41661
	* ipa-prop.c (compute_complex_pass_through): Allow only operations
	that are tcc_comparisons or do not change the type in any
	un-usleless way.
	* ipa-cp.c (ipcp_lattice_from_jfunc): Request boolean type when
	folding tcc_comparison operations.

	* testsuite/gcc.c-torture/compile/pr41661.c: New test.



Added:
    trunk/gcc/testsuite/gcc.c-torture/compile/pr41661.c
Modified:
    trunk/gcc/ChangeLog
    trunk/gcc/ipa-cp.c
    trunk/gcc/ipa-prop.c
    trunk/gcc/testsuite/ChangeLog