diff options
Diffstat (limited to 'gcc/c-family/c-cppbuiltin.cc')
| -rw-r--r-- | gcc/c-family/c-cppbuiltin.cc | 21 |
1 files changed, 20 insertions, 1 deletions
diff --git a/gcc/c-family/c-cppbuiltin.cc b/gcc/c-family/c-cppbuiltin.cc index 2e39acb..cdb658f 100644 --- a/gcc/c-family/c-cppbuiltin.cc +++ b/gcc/c-family/c-cppbuiltin.cc @@ -1260,6 +1260,13 @@ c_cpp_builtins (cpp_reader *pfile) builtin_define_float_constants (prefix, ggc_strdup (csuffix), "%s", csuffix, FLOATN_NX_TYPE_NODE (i)); } + if (bfloat16_type_node) + { + if (c_dialect_cxx () && cxx_dialect > cxx20) + cpp_define (pfile, "__STDCPP_BFLOAT16_T__=1"); + builtin_define_float_constants ("BFLT16", "BF16", "%s", + "BF16", bfloat16_type_node); + } /* For float.h. */ if (targetm.decimal_float_supported_p ()) @@ -1370,6 +1377,12 @@ c_cpp_builtins (cpp_reader *pfile) suffix[0] = 'l'; memcpy (float_h_prefix, "LDBL", 5); } + else if (bfloat16_type_node + && mode == TYPE_MODE (bfloat16_type_node)) + { + memcpy (suffix, "bf16", 5); + memcpy (float_h_prefix, "BFLT16", 7); + } else { bool found_suffix = false; @@ -1396,22 +1409,28 @@ c_cpp_builtins (cpp_reader *pfile) machine_mode float16_type_mode = (float16_type_node ? TYPE_MODE (float16_type_node) : VOIDmode); + machine_mode bfloat16_type_mode = (bfloat16_type_node + ? TYPE_MODE (bfloat16_type_node) + : VOIDmode); switch (targetm.c.excess_precision (EXCESS_PRECISION_TYPE_IMPLICIT)) { case FLT_EVAL_METHOD_UNPREDICTABLE: case FLT_EVAL_METHOD_PROMOTE_TO_LONG_DOUBLE: excess_precision = (mode == float16_type_mode + || mode == bfloat16_type_mode || mode == TYPE_MODE (float_type_node) || mode == TYPE_MODE (double_type_node)); break; case FLT_EVAL_METHOD_PROMOTE_TO_DOUBLE: excess_precision = (mode == float16_type_mode + || mode == bfloat16_type_mode || mode == TYPE_MODE (float_type_node)); break; case FLT_EVAL_METHOD_PROMOTE_TO_FLOAT: - excess_precision = mode == float16_type_mode; + excess_precision = (mode == float16_type_mode + || mode == bfloat16_type_mode); break; case FLT_EVAL_METHOD_PROMOTE_TO_FLOAT16: excess_precision = false; |