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| author | Andreas Schwab <schwab@suse.de> | 2007-06-03 14:32:43 +0000 |
|---|---|---|
| committer | Andreas Schwab <schwab@gcc.gnu.org> | 2007-06-03 14:32:43 +0000 |
| commit | b6a9c30c80a0713b0b27f434dfe34b0552fc7384 (patch) | |
| tree | b23bf23815638d9880bbb2f271bb74a3a45a507c /gcc/real.c | |
| parent | 4889b20e236b872403df3112167b1d81c00110fe (diff) | |
| download | gcc-b6a9c30c80a0713b0b27f434dfe34b0552fc7384.zip gcc-b6a9c30c80a0713b0b27f434dfe34b0552fc7384.tar.gz gcc-b6a9c30c80a0713b0b27f434dfe34b0552fc7384.tar.bz2 | |
m68k.c (override_options): Don't override REAL_MODE_FORMAT.
* 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.
From-SVN: r125295
Diffstat (limited to 'gcc/real.c')
| -rw-r--r-- | gcc/real.c | 18 |
1 files changed, 13 insertions, 5 deletions
@@ -1,6 +1,6 @@ /* 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> @@ -2774,7 +2774,7 @@ const struct real_format mips_single_format = true }; -const struct real_format coldfire_single_format = +const struct real_format motorola_single_format = { encode_ieee_single, decode_ieee_single, @@ -3019,7 +3019,7 @@ const struct real_format mips_double_format = true }; -const struct real_format coldfire_double_format = +const struct real_format motorola_double_format = { encode_ieee_double, decode_ieee_double, @@ -3082,7 +3082,15 @@ encode_ieee_extended (const struct real_format *fmt, long *buf, 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]; @@ -3364,7 +3372,7 @@ const struct real_format ieee_extended_motorola_format = true, true, true, - false + true }; const struct real_format ieee_extended_intel_96_format = |