GCC is free software; you can redistribute it and/or modify it under
the terms of the GNU General Public License as published by the Free
-Software Foundation; either version 2, or (at your option) any later
+Software Foundation; either version 3, or (at your option) any later
version.
GCC is distributed in the hope that it will be useful, but WITHOUT ANY
for more details.
You should have received a copy of the GNU General Public License
-along with GCC; see the file COPYING. If not, write to the Free
-Software Foundation, 51 Franklin Street, Fifth Floor, Boston, MA
-02110-1301, USA. */
+along with GCC; see the file COPYING3. If not see
+<http://www.gnu.org/licenses/>. */
#include "config.h"
#include "system.h"
/* 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);
builtin_define_with_value (name, buf, 0);
}
+/* Define fixed-point constants for TYPE using NAME_PREFIX and SUFFIX. */
+
+static void
+builtin_define_fixed_point_constants (const char *name_prefix,
+ const char *suffix,
+ tree type)
+{
+ char name[64], buf[256], *new_buf;
+ int i, mod;
+
+ sprintf (name, "__%s_FBIT__", name_prefix);
+ builtin_define_with_int_value (name, TYPE_FBIT (type));
+
+ sprintf (name, "__%s_IBIT__", name_prefix);
+ builtin_define_with_int_value (name, TYPE_IBIT (type));
+
+ /* If there is no suffix, defines are for fixed-point modes.
+ We just return. */
+ if (strcmp (suffix, "") == 0)
+ return;
+
+ if (TYPE_UNSIGNED (type))
+ {
+ sprintf (name, "__%s_MIN__", name_prefix);
+ sprintf (buf, "0.0%s", suffix);
+ builtin_define_with_value (name, buf, 0);
+ }
+ else
+ {
+ sprintf (name, "__%s_MIN__", name_prefix);
+ if (ALL_ACCUM_MODE_P (TYPE_MODE (type)))
+ sprintf (buf, "(-0X1P%d%s-0X1P%d%s)", TYPE_IBIT (type) - 1, suffix,
+ TYPE_IBIT (type) - 1, suffix);
+ else
+ sprintf (buf, "(-0.5%s-0.5%s)", suffix, suffix);
+ builtin_define_with_value (name, buf, 0);
+ }
+
+ sprintf (name, "__%s_MAX__", name_prefix);
+ sprintf (buf, "0X");
+ new_buf = buf + 2;
+ mod = (TYPE_FBIT (type) + TYPE_IBIT (type)) % 4;
+ if (mod)
+ sprintf (new_buf++, "%x", (1 << mod) - 1);
+ for (i = 0; i < (TYPE_FBIT (type) + TYPE_IBIT (type)) / 4; i++)
+ sprintf (new_buf++, "F");
+ sprintf (new_buf, "P-%d%s", TYPE_FBIT (type), suffix);
+ builtin_define_with_value (name, buf, 0);
+
+ sprintf (name, "__%s_EPSILON__", name_prefix);
+ sprintf (buf, "0x1P-%d%s", TYPE_FBIT (type), suffix);
+ builtin_define_with_value (name, buf, 0);
+}
+
/* Define __GNUC__, __GNUC_MINOR__ and __GNUC_PATCHLEVEL__. */
static void
define__GNUC__ (void)
cpp_define (pfile, "__GXX_WEAK__=0");
if (warn_deprecated)
cpp_define (pfile, "__DEPRECATED");
+ if (flag_rtti)
+ cpp_define (pfile, "__GXX_RTTI");
if (cxx_dialect == cxx0x)
cpp_define (pfile, "__GXX_EXPERIMENTAL_CXX0X__");
}
builtin_define_decimal_float_constants ("DEC64", "DD", dfloat64_type_node);
builtin_define_decimal_float_constants ("DEC128", "DL", dfloat128_type_node);
+ /* For fixed-point fibt, ibit, max, min, and epsilon. */
+ if (targetm.fixed_point_supported_p ())
+ {
+ builtin_define_fixed_point_constants ("SFRACT", "HR",
+ short_fract_type_node);
+ builtin_define_fixed_point_constants ("USFRACT", "UHR",
+ unsigned_short_fract_type_node);
+ builtin_define_fixed_point_constants ("FRACT", "R",
+ fract_type_node);
+ builtin_define_fixed_point_constants ("UFRACT", "UR",
+ unsigned_fract_type_node);
+ builtin_define_fixed_point_constants ("LFRACT", "LR",
+ long_fract_type_node);
+ builtin_define_fixed_point_constants ("ULFRACT", "ULR",
+ unsigned_long_fract_type_node);
+ builtin_define_fixed_point_constants ("LLFRACT", "LLR",
+ long_long_fract_type_node);
+ builtin_define_fixed_point_constants ("ULLFRACT", "ULLR",
+ unsigned_long_long_fract_type_node);
+ builtin_define_fixed_point_constants ("SACCUM", "HK",
+ short_accum_type_node);
+ builtin_define_fixed_point_constants ("USACCUM", "UHK",
+ unsigned_short_accum_type_node);
+ builtin_define_fixed_point_constants ("ACCUM", "K",
+ accum_type_node);
+ builtin_define_fixed_point_constants ("UACCUM", "UK",
+ unsigned_accum_type_node);
+ builtin_define_fixed_point_constants ("LACCUM", "LK",
+ long_accum_type_node);
+ builtin_define_fixed_point_constants ("ULACCUM", "ULK",
+ unsigned_long_accum_type_node);
+ builtin_define_fixed_point_constants ("LLACCUM", "LLK",
+ long_long_accum_type_node);
+ builtin_define_fixed_point_constants ("ULLACCUM", "ULLK",
+ unsigned_long_long_accum_type_node);
+
+ builtin_define_fixed_point_constants ("QQ", "", qq_type_node);
+ builtin_define_fixed_point_constants ("HQ", "", hq_type_node);
+ builtin_define_fixed_point_constants ("SQ", "", sq_type_node);
+ builtin_define_fixed_point_constants ("DQ", "", dq_type_node);
+ builtin_define_fixed_point_constants ("TQ", "", tq_type_node);
+ builtin_define_fixed_point_constants ("UQQ", "", uqq_type_node);
+ builtin_define_fixed_point_constants ("UHQ", "", uhq_type_node);
+ builtin_define_fixed_point_constants ("USQ", "", usq_type_node);
+ builtin_define_fixed_point_constants ("UDQ", "", udq_type_node);
+ builtin_define_fixed_point_constants ("UTQ", "", utq_type_node);
+ builtin_define_fixed_point_constants ("HA", "", ha_type_node);
+ builtin_define_fixed_point_constants ("SA", "", sa_type_node);
+ builtin_define_fixed_point_constants ("DA", "", da_type_node);
+ builtin_define_fixed_point_constants ("TA", "", ta_type_node);
+ builtin_define_fixed_point_constants ("UHA", "", uha_type_node);
+ builtin_define_fixed_point_constants ("USA", "", usa_type_node);
+ builtin_define_fixed_point_constants ("UDA", "", uda_type_node);
+ builtin_define_fixed_point_constants ("UTA", "", uta_type_node);
+ }
+
/* For use in assembly language. */
builtin_define_with_value ("__REGISTER_PREFIX__", REGISTER_PREFIX, 0);
builtin_define_with_value ("__USER_LABEL_PREFIX__", user_label_prefix, 0);
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