diff options
Diffstat (limited to 'gcc/expr.c')
| -rw-r--r-- | gcc/expr.c | 21 |
1 files changed, 15 insertions, 6 deletions
@@ -5403,6 +5403,7 @@ get_inner_reference (exp, pbitsize, pbitpos, poffset, pmode, tree offset = size_zero_node; tree bit_offset = bitsize_zero_node; unsigned int alignment = BIGGEST_ALIGNMENT; + tree placeholder_ptr = 0; tree tem; /* First get the mode, signedness, and size. We do this from just the @@ -5500,6 +5501,11 @@ get_inner_reference (exp, pbitsize, pbitpos, poffset, pmode, unit_size)); } + else if (TREE_CODE (exp) == PLACEHOLDER_EXPR) + { + exp = find_placeholder (exp, &placeholder_ptr); + continue; + } else if (TREE_CODE (exp) != NON_LVALUE_EXPR && ! ((TREE_CODE (exp) == NOP_EXPR || TREE_CODE (exp) == CONVERT_EXPR) @@ -5961,10 +5967,11 @@ check_max_integer_computation_mode (exp) /* Return an object on the placeholder list that matches EXP, a PLACEHOLDER_EXPR. An object "matches" if it is of the type of the - PLACEHOLDER_EXPR or a pointer type to it. For further information, - see tree.def. If no such object is found, abort. If PLIST is nonzero, - it is a location into which a pointer into the placeholder list at - which the object is found is placed. */ + PLACEHOLDER_EXPR or a pointer type to it. For further information, see + tree.def. If no such object is found, abort. If PLIST is nonzero, it is + a location which initially points to a starting location in the + placeholder list (zero means start of the list) and where a pointer into + the placeholder list at which the object is found is placed. */ tree find_placeholder (exp, plist) @@ -5974,7 +5981,9 @@ find_placeholder (exp, plist) tree type = TREE_TYPE (exp); tree placeholder_expr; - for (placeholder_expr = placeholder_list; placeholder_expr != 0; + for (placeholder_expr + = plist && *plist ? TREE_CHAIN (*plist) : placeholder_list; + placeholder_expr != 0; placeholder_expr = TREE_CHAIN (placeholder_expr)) { tree need_type = TYPE_MAIN_VARIANT (type); @@ -6550,7 +6559,7 @@ expand_expr (exp, target, tmode, modifier) case PLACEHOLDER_EXPR: { tree old_list = placeholder_list; - tree placeholder_expr; + tree placeholder_expr = 0; exp = find_placeholder (exp, &placeholder_expr); placeholder_list = TREE_CHAIN (placeholder_expr); |