diff options
| -rw-r--r-- | gcc/ChangeLog | 8 | ||||
| -rw-r--r-- | gcc/builtins.c | 2 | ||||
| -rw-r--r-- | gcc/expr.c | 1 |
3 files changed, 11 insertions, 0 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog index 47731da..fe0de91 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,3 +1,11 @@ +2009-12-17 Richard Guenther <rguenther@suse.de> + + PR middle-end/42397 + * builtins.c (get_object_alignment): Properly deal with + a CONST_DECL base. + * expr.c (emit_block_move_hints): Assert the alignment makes + sense. + 2009-12-17 Uros Bizjak <ubizjak@gmail.com> PR target/32280 diff --git a/gcc/builtins.c b/gcc/builtins.c index 75a7e10..53d74a2 100644 --- a/gcc/builtins.c +++ b/gcc/builtins.c @@ -323,6 +323,8 @@ get_object_alignment (tree exp, unsigned int align, unsigned int max_align) offset = next_offset; } } + if (TREE_CODE (exp) == CONST_DECL) + exp = DECL_INITIAL (exp); if (DECL_P (exp)) align = MIN (inner, DECL_ALIGN (exp)); #ifdef CONSTANT_ALIGNMENT @@ -1194,6 +1194,7 @@ emit_block_move_hints (rtx x, rtx y, rtx size, enum block_op_methods method, } align = MIN (MEM_ALIGN (x), MEM_ALIGN (y)); + gcc_assert (align >= BITS_PER_UNIT); gcc_assert (MEM_P (x)); gcc_assert (MEM_P (y)); |