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| author | Andreas Schwab <schwab@issan.cs.uni-dortmund.de> | 1999-05-17 01:49:19 +0000 |
|---|---|---|
| committer | Jeff Law <law@gcc.gnu.org> | 1999-05-16 19:49:19 -0600 |
| commit | 64c0b414201b1a9800d515ae895c19658f53d91f (patch) | |
| tree | 7b0af160f7e726af751f187f292190ad8e1347d8 /gcc | |
| parent | 2e5b444824b88b5c6bd039237f7fe447937b5db1 (diff) | |
| download | gcc-64c0b414201b1a9800d515ae895c19658f53d91f.zip gcc-64c0b414201b1a9800d515ae895c19658f53d91f.tar.gz gcc-64c0b414201b1a9800d515ae895c19658f53d91f.tar.bz2 | |
m68k.c (standard_68881_constant_p): Don't accept -0.0 as valid 68881 constant.
* m68k.c (standard_68881_constant_p): Don't accept -0.0 as valid
68881 constant.
From-SVN: r26964
Diffstat (limited to 'gcc')
| -rw-r--r-- | gcc/ChangeLog | 3 | ||||
| -rw-r--r-- | gcc/config/m68k/m68k.c | 4 |
2 files changed, 6 insertions, 1 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog index 6460356..0853d93 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -5,6 +5,9 @@ Mon May 17 01:57:37 1999 David Daney <daney@ibw.com.ni> 1999-05-17 Andreas Schwab <schwab@issan.cs.uni-dortmund.de> + * m68k.c (standard_68881_constant_p): Don't accept -0.0 as valid + 68881 constant. + * fold-const.c (fold_truthop): When converting a one-bit comparison don't sign extend the constant. diff --git a/gcc/config/m68k/m68k.c b/gcc/config/m68k/m68k.c index 344f9b6..98f5197 100644 --- a/gcc/config/m68k/m68k.c +++ b/gcc/config/m68k/m68k.c @@ -2460,9 +2460,11 @@ standard_68881_constant_p (x) REAL_VALUE_FROM_CONST_DOUBLE (r, x); + /* Use REAL_VALUES_IDENTICAL instead of REAL_VALUES_EQUAL so that -0.0 + is rejected. */ for (i = 0; i < 6; i++) { - if (REAL_VALUES_EQUAL (r, values_68881[i])) + if (REAL_VALUES_IDENTICAL (r, values_68881[i])) return (codes_68881[i]); } |