+2007-06-03 Andreas Schwab <schwab@suse.de>
+
+ * config/m68k/m68k.c (override_options): Don't override
+ REAL_MODE_FORMAT.
+ * config/m68k/m68k-modes.def (SF, DF): Define to use
+ motorola_single_format and motorola_double_format, resp.
+ * real.c (motorola_single_format): Renamed from
+ coldfire_single_format.
+ (motorola_double_format): Renamed from coldfire_double_format.
+ (encode_ieee_extended): Generate a proper canonical NaN image
+ respecting canonical_nan_lsbs_set.
+ (ieee_extended_motorola_format): Set canonical_nan_lsbs_set to
+ true.
+ * real.h: Adjust declarations.
+
2007-06-03 Kaz Kojima <kkojima@gcc.gnu.org>
PR target/32163
/* M68k extra machine modes.
- Copyright (C) 2003, 2004 Free Software Foundation, Inc.
+ Copyright (C) 2003, 2004, 2007 Free Software Foundation, Inc.
This file is part of GCC.
the Free Software Foundation, 51 Franklin Street, Fifth Floor,
Boston, MA 02110-1301, USA. */
+/* These differ in the representation of the canonical NaN. */
+RESET_FLOAT_FORMAT (SF, motorola_single_format);
+RESET_FLOAT_FORMAT (DF, motorola_double_format);
+
/* 80-bit floating point (IEEE extended, in a 96-bit field) */
FRACTIONAL_FLOAT_MODE (XF, 80, 12, ieee_extended_motorola_format);
/* Subroutines for insn-output.c for Motorola 68000 family.
Copyright (C) 1987, 1993, 1994, 1995, 1996, 1997, 1998, 1999, 2000,
- 2001, 2003, 2004, 2005, 2006
+ 2001, 2003, 2004, 2005, 2006, 2007
Free Software Foundation, Inc.
This file is part of GCC.
: (m68k_cpu_flags & FL_COLDFIRE) != 0 ? FPUTYPE_COLDFIRE
: FPUTYPE_68881);
- if (TARGET_COLDFIRE_FPU)
- {
- REAL_MODE_FORMAT (SFmode) = &coldfire_single_format;
- REAL_MODE_FORMAT (DFmode) = &coldfire_double_format;
- }
-
/* Sanity check to ensure that msep-data and mid-sahred-library are not
* both specified together. Doing so simply doesn't make sense.
*/
/* real.c - software floating point emulation.
Copyright (C) 1993, 1994, 1995, 1996, 1997, 1998, 1999,
- 2000, 2002, 2003, 2004, 2005 Free Software Foundation, Inc.
+ 2000, 2002, 2003, 2004, 2005, 2007 Free Software Foundation, Inc.
Contributed by Stephen L. Moshier (moshier@world.std.com).
Re-written by Richard Henderson <rth@redhat.com>
true
};
-const struct real_format coldfire_single_format =
+const struct real_format motorola_single_format =
{
encode_ieee_single,
decode_ieee_single,
true
};
-const struct real_format coldfire_double_format =
+const struct real_format motorola_double_format =
{
encode_ieee_double,
decode_ieee_double,
if (fmt->has_nans)
{
image_hi |= 32767;
- if (HOST_BITS_PER_LONG == 32)
+ if (r->canonical)
+ {
+ if (fmt->canonical_nan_lsbs_set)
+ {
+ sig_hi = (1 << 30) - 1;
+ sig_lo = 0xffffffff;
+ }
+ }
+ else if (HOST_BITS_PER_LONG == 32)
{
sig_hi = r->sig[SIGSZ-1];
sig_lo = r->sig[SIGSZ-2];
true,
true,
true,
- false
+ true
};
const struct real_format ieee_extended_intel_96_format =
/* Definitions of floating-point access for GNU compiler.
Copyright (C) 1989, 1991, 1994, 1996, 1997, 1998, 1999,
- 2000, 2002, 2003, 2004, 2005 Free Software Foundation, Inc.
+ 2000, 2002, 2003, 2004, 2005, 2007 Free Software Foundation, Inc.
This file is part of GCC.
/* Target formats defined in real.c. */
extern const struct real_format ieee_single_format;
extern const struct real_format mips_single_format;
-extern const struct real_format coldfire_single_format;
+extern const struct real_format motorola_single_format;
extern const struct real_format ieee_double_format;
extern const struct real_format mips_double_format;
-extern const struct real_format coldfire_double_format;
+extern const struct real_format motorola_double_format;
extern const struct real_format ieee_extended_motorola_format;
extern const struct real_format ieee_extended_intel_96_format;
extern const struct real_format ieee_extended_intel_96_round_53_format;