diff options
Diffstat (limited to 'gcc/c-family/c-cppbuiltin.c')
| -rw-r--r-- | gcc/c-family/c-cppbuiltin.c | 58 |
1 files changed, 46 insertions, 12 deletions
diff --git a/gcc/c-family/c-cppbuiltin.c b/gcc/c-family/c-cppbuiltin.c index 9f993c4..42b7604 100644 --- a/gcc/c-family/c-cppbuiltin.c +++ b/gcc/c-family/c-cppbuiltin.c @@ -1277,29 +1277,39 @@ c_cpp_builtins (cpp_reader *pfile) { scalar_float_mode mode = mode_iter.require (); const char *name = GET_MODE_NAME (mode); + const size_t name_len = strlen (name); + char float_h_prefix[16] = ""; char *macro_name - = (char *) alloca (strlen (name) - + sizeof ("__LIBGCC__MANT_DIG__")); + = XALLOCAVEC (char, name_len + sizeof ("__LIBGCC__MANT_DIG__")); sprintf (macro_name, "__LIBGCC_%s_MANT_DIG__", name); builtin_define_with_int_value (macro_name, REAL_MODE_FORMAT (mode)->p); if (!targetm.scalar_mode_supported_p (mode) || !targetm.libgcc_floating_mode_supported_p (mode)) continue; - macro_name = (char *) alloca (strlen (name) - + sizeof ("__LIBGCC_HAS__MODE__")); + macro_name = XALLOCAVEC (char, name_len + + sizeof ("__LIBGCC_HAS__MODE__")); sprintf (macro_name, "__LIBGCC_HAS_%s_MODE__", name); cpp_define (pfile, macro_name); - macro_name = (char *) alloca (strlen (name) - + sizeof ("__LIBGCC__FUNC_EXT__")); + macro_name = XALLOCAVEC (char, name_len + + sizeof ("__LIBGCC__FUNC_EXT__")); sprintf (macro_name, "__LIBGCC_%s_FUNC_EXT__", name); char suffix[20] = ""; if (mode == TYPE_MODE (double_type_node)) - ; /* Empty suffix correct. */ + { + /* Empty suffix correct. */ + memcpy (float_h_prefix, "DBL", 4); + } else if (mode == TYPE_MODE (float_type_node)) - suffix[0] = 'f'; + { + suffix[0] = 'f'; + memcpy (float_h_prefix, "FLT", 4); + } else if (mode == TYPE_MODE (long_double_type_node)) - suffix[0] = 'l'; + { + suffix[0] = 'l'; + memcpy (float_h_prefix, "LDBL", 5); + } else { bool found_suffix = false; @@ -1310,6 +1320,8 @@ c_cpp_builtins (cpp_reader *pfile) sprintf (suffix, "f%d%s", floatn_nx_types[i].n, floatn_nx_types[i].extended ? "x" : ""); found_suffix = true; + sprintf (float_h_prefix, "FLT%d%s", floatn_nx_types[i].n, + floatn_nx_types[i].extended ? "X" : ""); break; } gcc_assert (found_suffix); @@ -1347,11 +1359,33 @@ c_cpp_builtins (cpp_reader *pfile) default: gcc_unreachable (); } - macro_name = (char *) alloca (strlen (name) - + sizeof ("__LIBGCC__EXCESS_" - "PRECISION__")); + macro_name = XALLOCAVEC (char, name_len + + sizeof ("__LIBGCC__EXCESS_PRECISION__")); sprintf (macro_name, "__LIBGCC_%s_EXCESS_PRECISION__", name); builtin_define_with_int_value (macro_name, excess_precision); + + char val_name[64]; + + macro_name = XALLOCAVEC (char, name_len + + sizeof ("__LIBGCC__EPSILON__")); + sprintf (macro_name, "__LIBGCC_%s_EPSILON__", name); + sprintf (val_name, "__%s_EPSILON__", float_h_prefix); + builtin_define_with_value (macro_name, val_name, 0); + + macro_name = XALLOCAVEC (char, name_len + sizeof ("__LIBGCC__MAX__")); + sprintf (macro_name, "__LIBGCC_%s_MAX__", name); + sprintf (val_name, "__%s_MAX__", float_h_prefix); + builtin_define_with_value (macro_name, val_name, 0); + + macro_name = XALLOCAVEC (char, name_len + sizeof ("__LIBGCC__MIN__")); + sprintf (macro_name, "__LIBGCC_%s_MIN__", name); + sprintf (val_name, "__%s_MIN__", float_h_prefix); + builtin_define_with_value (macro_name, val_name, 0); + +#ifdef HAVE_adddf3 + builtin_define_with_int_value ("__LIBGCC_HAVE_HWDBL__", + HAVE_adddf3); +#endif } /* For libgcc crtstuff.c and libgcc2.c. */ |