diff options
Diffstat (limited to 'gcc')
| -rw-r--r-- | gcc/ChangeLog | 3 | ||||
| -rw-r--r-- | gcc/cfgexpand.c | 13 |
2 files changed, 12 insertions, 4 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog index a752a51797a..749951aa1b9 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,5 +1,8 @@ 2010-11-05 Jakub Jelinek <jakub@redhat.com> + * cfgexpand.c (expand_debug_expr): Handle MEM_REF + with non-zero offset. + PR debug/46307 * tree-ssa-operands.c (get_expr_operands): Handle FMA_EXPR. * tree-pretty-print.c (dump_generic_node): Likewise. diff --git a/gcc/cfgexpand.c b/gcc/cfgexpand.c index b302591e66e..c44649e857d 100644 --- a/gcc/cfgexpand.c +++ b/gcc/cfgexpand.c @@ -2552,15 +2552,20 @@ expand_debug_expr (tree exp) } case MEM_REF: - /* ??? FIXME. */ - if (!integer_zerop (TREE_OPERAND (exp, 1))) - return NULL; - /* Fallthru. */ case INDIRECT_REF: op0 = expand_debug_expr (TREE_OPERAND (exp, 0)); if (!op0) return NULL; + if (TREE_CODE (exp) == MEM_REF) + { + op1 = expand_debug_expr (TREE_OPERAND (exp, 1)); + if (!op1 || !CONST_INT_P (op1)) + return NULL; + + op0 = plus_constant (op0, INTVAL (op1)); + } + if (POINTER_TYPE_P (TREE_TYPE (exp))) as = TYPE_ADDR_SPACE (TREE_TYPE (TREE_TYPE (exp))); else |