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| author | law <law@138bc75d-0d04-0410-961f-82ee72b054a4> | 1998-09-19 23:27:02 +0000 |
|---|---|---|
| committer | law <law@138bc75d-0d04-0410-961f-82ee72b054a4> | 1998-09-19 23:27:02 +0000 |
| commit | b3744b6b4edf4790eb8d69e25eb29f867c3acc5a (patch) | |
| tree | bf68cba9a0bcd3905cd9990cc6ba8f391559f0f1 | |
| parent | 5c61dffde4155ade15ba96592de9c109114853ed (diff) | |
| download | gcc-b3744b6b4edf4790eb8d69e25eb29f867c3acc5a.tar.gz | |
* fold-const.c (fold): Fix typo in COND_EXPR handling code.
(invert_truthvalue): Enable truthvalue inversion for
floating-point operands if -ffast-math.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@22488 138bc75d-0d04-0410-961f-82ee72b054a4
| -rw-r--r-- | gcc/ChangeLog | 6 | ||||
| -rw-r--r-- | gcc/fold-const.c | 5 |
2 files changed, 9 insertions, 2 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog index 65d67d589f0..ae27929bc5a 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,3 +1,9 @@ +Sun Sep 20 00:22:23 1998 Michael Tiemann <michael@impact.tiemann.org> + + * fold-const.c (fold): Fix typo in COND_EXPR handling code. + (invert_truthvalue): Enable truthvalue inversion for + floating-point operands if -ffast-math. + Sat Sep 19 23:58:07 1998 Melissa O'Neill <oneill@cs.sfu.ca> * configure.in: Disable collect2 for nextstep. Instead use diff --git a/gcc/fold-const.c b/gcc/fold-const.c index 8a289a81709..5eab6562282 100644 --- a/gcc/fold-const.c +++ b/gcc/fold-const.c @@ -2230,7 +2230,7 @@ invert_truthvalue (arg) if (TREE_CODE_CLASS (code) == '<') { if (FLOAT_TYPE_P (TREE_TYPE (TREE_OPERAND (arg, 0))) - && code != NE_EXPR && code != EQ_EXPR) + && !flag_fast_math && code != NE_EXPR && code != EQ_EXPR) return build1 (TRUTH_NOT_EXPR, type, arg); else return build (invert_tree_comparison (code), type, @@ -5824,7 +5824,8 @@ fold (expr) t = build (code, type, tem, TREE_OPERAND (t, 2), TREE_OPERAND (t, 1)); arg0 = tem; - arg1 = TREE_OPERAND (t, 2); + /* arg1 should be the first argument of the new T. */ + arg1 = TREE_OPERAND (t, 1); STRIP_NOPS (arg1); } } |