From: rguenth Date: Tue, 11 Jan 2011 14:23:20 +0000 (+0000) Subject: 2011-01-11 Richard Guenther X-Git-Url: http://git.sourceforge.jp/view?p=pf3gnuchains%2Fgcc-fork.git;a=commitdiff_plain;h=57862ab5ff48d6a43fe2ed99e73b441fa3cfe20c 2011-01-11 Richard Guenther PR tree-optimization/47239 * tree-ssa-ccp.c (get_value_from_alignment): Punt for FUNCTION_DECLs. git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@168661 138bc75d-0d04-0410-961f-82ee72b054a4 --- diff --git a/gcc/ChangeLog b/gcc/ChangeLog index b372b6c7e68..1a910c47c43 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,3 +1,8 @@ +2011-01-11 Richard Guenther + + PR tree-optimization/47239 + * tree-ssa-ccp.c (get_value_from_alignment): Punt for FUNCTION_DECLs. + 2011-01-11 Jeff Law * PR tree-optimization/47086 diff --git a/gcc/tree-ssa-ccp.c b/gcc/tree-ssa-ccp.c index b2494d72476..57fc56d8ba7 100644 --- a/gcc/tree-ssa-ccp.c +++ b/gcc/tree-ssa-ccp.c @@ -522,6 +522,10 @@ get_value_from_alignment (tree expr) val = bit_value_binop (PLUS_EXPR, TREE_TYPE (expr), TREE_OPERAND (base, 0), TREE_OPERAND (base, 1)); else if (base + /* ??? While function decls have DECL_ALIGN their addresses + may encode extra information in the lower bits on some + targets (PR47239). Simply punt for function decls for now. */ + && TREE_CODE (base) != FUNCTION_DECL && ((align = get_object_alignment (base, BIGGEST_ALIGNMENT)) > BITS_PER_UNIT)) {