diff options
| -rw-r--r-- | gcc/ChangeLog | 7 | ||||
| -rw-r--r-- | gcc/expr.c | 10 |
2 files changed, 17 insertions, 0 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog index 755b33b..6bb36f5 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,3 +1,10 @@ +2008-11-12 Jakub Jelinek <jakub@redhat.com> + + PR target/35366 + * expr.c (expand_expr_addr_expr_1): If EXP needs bigger alignment + than INNER and INNER is a constant, forcibly align INNER as much + as needed. + 2008-11-11 Richard Sandiford <rdsandiford@googlemail.com> * cse.c (fold_rtx): Remove redundant gen_rtx_CONST. @@ -6862,6 +6862,16 @@ expand_expr_addr_expr_1 (tree exp, rtx target, enum machine_mode tmode, gcc_assert (inner != exp); subtarget = offset || bitpos ? NULL_RTX : target; + /* For VIEW_CONVERT_EXPR, where the outer alignment is bigger than + inner alignment, force the inner to be sufficiently aligned. */ + if (CONSTANT_CLASS_P (inner) + && TYPE_ALIGN (TREE_TYPE (inner)) < TYPE_ALIGN (TREE_TYPE (exp))) + { + inner = copy_node (inner); + TREE_TYPE (inner) = copy_node (TREE_TYPE (inner)); + TYPE_ALIGN (TREE_TYPE (inner)) = TYPE_ALIGN (TREE_TYPE (exp)); + TYPE_USER_ALIGN (TREE_TYPE (inner)) = 1; + } result = expand_expr_addr_expr_1 (inner, subtarget, tmode, modifier); if (offset) |