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| author | Thomas Schwinge <thomas@codesourcery.com> | 2023-04-07 21:56:15 +0200 |
|---|---|---|
| committer | Thomas Schwinge <thomas_schwinge@mentor.com> | 2023-04-07 21:56:15 +0200 |
| commit | 353f5e8f00a2f897d2974f07d27dd10f79666889 (patch) | |
| tree | 1c82332ff22e5a8c17569e2282bf59a0fa9ec479 /gcc/rust/rust-lang.cc | |
| parent | 6ee85b3255d638fd77ee3fe17a4e146c81545efb (diff) | |
| parent | aee5ee35602e0098c2ae16fa2fc9c8845caf92ed (diff) | |
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Merge commit 'aee5ee35602e0098c2ae16fa2fc9c8845caf92ed' into HEAD
Addresses: #1713
Fixes: #1973
Diffstat (limited to 'gcc/rust/rust-lang.cc')
| -rw-r--r-- | gcc/rust/rust-lang.cc | 15 |
1 files changed, 15 insertions, 0 deletions
diff --git a/gcc/rust/rust-lang.cc b/gcc/rust/rust-lang.cc index 23b23bf..49d072d 100644 --- a/gcc/rust/rust-lang.cc +++ b/gcc/rust/rust-lang.cc @@ -232,6 +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; } |