diff options
Diffstat (limited to 'gcc/cfgexpand.c')
| -rw-r--r-- | gcc/cfgexpand.c | 21 |
1 files changed, 21 insertions, 0 deletions
diff --git a/gcc/cfgexpand.c b/gcc/cfgexpand.c index 4ae1600..ba86eb5 100644 --- a/gcc/cfgexpand.c +++ b/gcc/cfgexpand.c @@ -3284,6 +3284,27 @@ expand_debug_expr (tree exp) } } + if (TREE_CODE (TREE_OPERAND (exp, 0)) == MEM_REF + && TREE_CODE (TREE_OPERAND (TREE_OPERAND (exp, 0), 0)) + == ADDR_EXPR) + { + op0 = expand_debug_expr (TREE_OPERAND (TREE_OPERAND (exp, 0), + 0)); + if (op0 != NULL + && (GET_CODE (op0) == DEBUG_IMPLICIT_PTR + || (GET_CODE (op0) == PLUS + && GET_CODE (XEXP (op0, 0)) == DEBUG_IMPLICIT_PTR + && CONST_INT_P (XEXP (op0, 1))))) + { + op1 = expand_debug_expr (TREE_OPERAND (TREE_OPERAND (exp, 0), + 1)); + if (!op1 || !CONST_INT_P (op1)) + return NULL; + + return plus_constant (mode, op0, INTVAL (op1)); + } + } + return NULL; } |