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* fold-const.c (fold): Fix thinko in x+(-0) -> x transformation. 

From-SVN: r30077
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Alasdair Baird 1999-10-19 07:26:59 +00:00 committed by Jeff Law
parent b61a6c8113
commit 2af3e5fb95
2 changed files with 6 additions and 1 deletions
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4
gcc/ChangeLog
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@ -1,3 +1,7 @@
Tue Oct 19 01:26:48 1999 Alasdair Baird <alasdair@wildcat.demon.co.uk>
* fold-const.c (fold): Fix thinko in x+(-0) -> x transformation.
Mon Oct 18 15:19:41 1999 Richard Henderson <rth@cygnus.com>
* basic-block.h (set_block_num): Declare.

3
gcc/fold-const.c
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@ -4871,7 +4871,8 @@ fold (expr)
&& real_zerop (arg1))
return non_lvalue (convert (type, arg0));
/* x+(-0) equals x, even for IEEE. */
else if (REAL_VALUE_MINUS_ZERO (TREE_REAL_CST (arg1)))
else if (TREE_CODE (arg1) == REAL_CST
&& REAL_VALUE_MINUS_ZERO (TREE_REAL_CST (arg1)))
return non_lvalue (convert (type, arg0));
bit_rotate: