diff options
Diffstat (limited to 'gcc/c-family/c-lex.cc')
| -rw-r--r-- | gcc/c-family/c-lex.cc | 16 |
1 files changed, 16 insertions, 0 deletions
diff --git a/gcc/c-family/c-lex.cc b/gcc/c-family/c-lex.cc index 11f2b784738..89c65aca28a 100644 --- a/gcc/c-family/c-lex.cc +++ b/gcc/c-family/c-lex.cc @@ -1000,6 +1000,22 @@ interpret_float (const cpp_token *token, unsigned int flags, pedwarn (input_location, OPT_Wpedantic, "non-standard suffix on floating constant"); } + else if ((flags & CPP_N_BFLOAT16) != 0) + { + type = bfloat16_type_node; + if (type == NULL_TREE) + { + error ("unsupported non-standard suffix on floating constant"); + return error_mark_node; + } + if (!c_dialect_cxx ()) + pedwarn (input_location, OPT_Wpedantic, + "non-standard suffix on floating constant"); + else if (cxx_dialect < cxx23) + pedwarn (input_location, OPT_Wpedantic, + "%<bf16%> or %<BF16%> suffix on floating constant only " + "available with %<-std=c++2b%> or %<-std=gnu++2b%>"); + } else if ((flags & CPP_N_WIDTH) == CPP_N_LARGE) type = long_double_type_node; else if ((flags & CPP_N_WIDTH) == CPP_N_SMALL |