diff options
Diffstat (limited to 'gcc/c-family/c-cppbuiltin.c')
| -rw-r--r-- | gcc/c-family/c-cppbuiltin.c | 17 |
1 files changed, 14 insertions, 3 deletions
diff --git a/gcc/c-family/c-cppbuiltin.c b/gcc/c-family/c-cppbuiltin.c index f946dc2..0ad77c7 100644 --- a/gcc/c-family/c-cppbuiltin.c +++ b/gcc/c-family/c-cppbuiltin.c @@ -62,6 +62,7 @@ static void builtin_define_type_sizeof (const char *, tree); static void builtin_define_float_constants (const char *, const char *, const char *, + const char *, tree); /* Define NAME with value TYPE size_unit. */ @@ -78,6 +79,7 @@ static void builtin_define_float_constants (const char *name_prefix, const char *fp_suffix, const char *fp_cast, + const char *fma_suffix, tree type) { /* Used to convert radix-based values to base 10 values in several cases. @@ -260,6 +262,13 @@ builtin_define_float_constants (const char *name_prefix, NaN has quiet NaNs. */ sprintf (name, "__%s_HAS_QUIET_NAN__", name_prefix); builtin_define_with_int_value (name, MODE_HAS_NANS (TYPE_MODE (type))); + + /* Note whether we have fast FMA. */ + if (mode_has_fma (TYPE_MODE (type))) + { + sprintf (name, "__FP_FAST_FMA%s", fma_suffix); + builtin_define_with_int_value (name, 1); + } } /* Define __DECx__ constants for TYPE using NAME_PREFIX and SUFFIX. */ @@ -607,13 +616,15 @@ c_cpp_builtins (cpp_reader *pfile) builtin_define_with_int_value ("__DEC_EVAL_METHOD__", TARGET_DEC_EVAL_METHOD); - builtin_define_float_constants ("FLT", "F", "%s", float_type_node); + builtin_define_float_constants ("FLT", "F", "%s", "F", float_type_node); /* Cast the double precision constants. This is needed when single precision constants are specified or when pragma FLOAT_CONST_DECIMAL64 is used. The correct result is computed by the compiler when using macros that include a cast. */ - builtin_define_float_constants ("DBL", "L", "((double)%s)", double_type_node); - builtin_define_float_constants ("LDBL", "L", "%s", long_double_type_node); + builtin_define_float_constants ("DBL", "L", "((double)%s)", "", + double_type_node); + builtin_define_float_constants ("LDBL", "L", "%s", "L", + long_double_type_node); /* For decfloat.h. */ builtin_define_decimal_float_constants ("DEC32", "DF", dfloat32_type_node); |