git.ipfire.org Git - thirdparty/gcc.git/commit

2010-02-05 Richard Guenther <rguenther@suse.de>

* tree-ssa-ccp.c (get_symbol_constant_value): Strip all
conversions.
(fold_const_aggregate_ref): Likewise.
(ccp_fold_stmt): Substitute loads.
(maybe_fold_reference): Verify types before substituting.
Unshare properly.
(fold_gimple_assign): Unshare properly.
(fold_stmt_1): Insert conversion if necessary before replacing
the RHS.

* gcc.dg/tree-ssa/ssa-ccp-28.c: New testcase.

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@156519 138bc75d-0d04-0410-961f-82ee72b054a4

author	rguenth <rguenth@138bc75d-0d04-0410-961f-82ee72b054a4>
	Fri, 5 Feb 2010 15:28:31 +0000 (15:28 +0000)
committer	rguenth <rguenth@138bc75d-0d04-0410-961f-82ee72b054a4>
	Fri, 5 Feb 2010 15:28:31 +0000 (15:28 +0000)
commit	6872bf3c9ec31fbfa08c92fffb68780cfcd9eb15
tree	229795994b4de581bb95aae0ad647146d6c5a116	tree \| snapshot
parent	1697bcd26ec304453fb25abdd7fdf6dd55992e54	commit \| diff

gcc/ChangeLog		diff \| blob \| blame \| history
gcc/testsuite/ChangeLog		diff \| blob \| blame \| history
gcc/testsuite/gcc.dg/tree-ssa/ssa-ccp-28.c	[new file with mode: 0644]	blob
gcc/tree-ssa-ccp.c		diff \| blob \| blame \| history