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Diffstat (limited to 'gcc/ChangeLog')
| -rw-r--r-- | gcc/ChangeLog | 15 |
1 files changed, 15 insertions, 0 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog index 79a5a8bbebc..12cac79d33c 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,3 +1,18 @@ +1997-11-13 Paul Eggert <eggert@twinsun.com> + + Fix some confusion with IEEE minus zero. + + * real.h (REAL_VALUES_IDENTICAL): New macro. + + * expr.c (is_zeros_p): Don't consider -0.0 to be all zeros. + * fold-const.c (operand_equal_p): Don't consider -0.0 to be + identical to 0.0. + * tree.c (simple_cst_equal): Don't consider -0.0 to have the + same tree structure as 0.0. + + * varasm.c (immed_real_const_1): Use new REAL_VALUES_IDENTICAL + macro instead of doing it by hand. + Thu Nov 13 16:56:14 1997 Jeffrey A Law (law@cygnus.com) * v850/lib1funcs.asm: Minor whitespace changes. |