diff options
Diffstat (limited to 'gcc/rust/rust-lang.cc')
| -rw-r--r-- | gcc/rust/rust-lang.cc | 19 |
1 files changed, 15 insertions, 4 deletions
diff --git a/gcc/rust/rust-lang.cc b/gcc/rust/rust-lang.cc index 963b112..49d072d 100644 --- a/gcc/rust/rust-lang.cc +++ b/gcc/rust/rust-lang.cc @@ -124,10 +124,6 @@ grs_langhook_init (void) whether char is signed. */ build_common_tree_nodes (false); - // Creates a new TREE_LIST node with purpose NULL_TREE and value - // void_type_node - void_list_node = build_tree_list (NULL_TREE, void_type_node); - // Builds built-ins for middle-end after all front-end built-ins are already // instantiated build_common_builtin_nodes (); @@ -236,6 +232,21 @@ grs_langhook_type_for_mode (machine_mode mode, int unsignedp) if (mode == TYPE_MODE (complex_integer_type_node) && !unsignedp) return complex_integer_type_node; } + + /* See (a) <https://github.com/Rust-GCC/gccrs/issues/1713> + "Test failure on msp430-elfbare target", and + (b) <https://gcc.gnu.org/PR46805> + "ICE: SIGSEGV in optab_for_tree_code (optabs.c:407) with -O -fno-tree-scev-cprop -ftree-vectorize" + -- we have to support "random" modes/types here. + TODO Clean all this up (either locally, or preferably per PR46805: + "Ideally we'd never use lang_hooks.types.type_for_mode (or _for_size) in the + middle-end but had a pure middle-end based implementation". */ + for (size_t i = 0; i < NUM_INT_N_ENTS; i ++) + if (int_n_enabled_p[i] + && mode == int_n_data[i].m) + return (unsignedp ? int_n_trees[i].unsigned_type + : int_n_trees[i].signed_type); + /* gcc_unreachable */ return NULL; } |