diff options
Diffstat (limited to 'gcc/c-cppbuiltin.c')
| -rw-r--r-- | gcc/c-cppbuiltin.c | 27 |
1 files changed, 2 insertions, 25 deletions
diff --git a/gcc/c-cppbuiltin.c b/gcc/c-cppbuiltin.c index 19bb47c..653c5e4 100644 --- a/gcc/c-cppbuiltin.c +++ b/gcc/c-cppbuiltin.c @@ -200,31 +200,8 @@ builtin_define_float_constants (const char *name_prefix, /* Since, for the supported formats, B is always a power of 2, we construct the following numbers directly as a hexadecimal constants. */ - - /* The maximum representable finite floating-point number, - (1 - b**-p) * b**emax */ - { - int i, n; - char *p; - - strcpy (buf, "0x0."); - n = fmt->p; - for (i = 0, p = buf + 4; i + 3 < n; i += 4) - *p++ = 'f'; - if (i < n) - *p++ = "08ce"[n - i]; - sprintf (p, "p%d", fmt->emax); - if (fmt->pnan < fmt->p) - { - /* This is an IBM extended double format made up of two IEEE - doubles. The value of the long double is the sum of the - values of the two parts. The most significant part is - required to be the value of the long double rounded to the - nearest double. Rounding means we need a slightly smaller - value for LDBL_MAX. */ - buf[4 + fmt->pnan / 4] = "7bde"[fmt->pnan % 4]; - } - } + get_max_float (fmt, buf, sizeof (buf)); + sprintf (name, "__%s_MAX__", name_prefix); builtin_define_with_hex_fp_value (name, type, decimal_dig, buf, fp_suffix, fp_cast); |