diff options
Diffstat (limited to 'gcc/function.c')
| -rw-r--r-- | gcc/function.c | 19 |
1 files changed, 4 insertions, 15 deletions
diff --git a/gcc/function.c b/gcc/function.c index 1a495ac..4f989dd 100644 --- a/gcc/function.c +++ b/gcc/function.c @@ -821,7 +821,6 @@ assign_temp (tree type_or_decl, int keep, int memory_required, if (mode == BLKmode || memory_required) { HOST_WIDE_INT size = int_size_in_bytes (type); - tree size_tree; rtx tmp; /* Zero sized arrays are GNU C extension. Set size to 1 to avoid @@ -830,20 +829,10 @@ assign_temp (tree type_or_decl, int keep, int memory_required, size = 1; /* Unfortunately, we don't yet know how to allocate variable-sized - temporaries. However, sometimes we have a fixed upper limit on - the size (which is stored in TYPE_ARRAY_MAX_SIZE) and can use that - instead. This is the case for Chill variable-sized strings. */ - if (size == -1 && TREE_CODE (type) == ARRAY_TYPE - && TYPE_ARRAY_MAX_SIZE (type) != NULL_TREE - && host_integerp (TYPE_ARRAY_MAX_SIZE (type), 1)) - size = tree_low_cst (TYPE_ARRAY_MAX_SIZE (type), 1); - - /* If we still haven't been able to get a size, see if the language - can compute a maximum size. */ - if (size == -1 - && (size_tree = lang_hooks.types.max_size (type)) != 0 - && host_integerp (size_tree, 1)) - size = tree_low_cst (size_tree, 1); + temporaries. However, sometimes we can find a fixed upper limit on + the size, so try that instead. */ + else if (size == -1) + size = max_int_size_in_bytes (type); /* The size of the temporary may be too large to fit into an integer. */ /* ??? Not sure this should happen except for user silliness, so limit |