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(fold): Don't assume a nonexplicit constant cannot equal an explicit one.
author
Richard Kenner
<kenner@gcc.gnu.org>
Sat, 15 Feb 1997 23:49:22 +0000
(18:49 -0500)
committer
Richard Kenner
<kenner@gcc.gnu.org>
Sat, 15 Feb 1997 23:49:22 +0000
(18:49 -0500)
From-SVN: r13650
gcc/fold-const.c
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diff --git
a/gcc/fold-const.c
b/gcc/fold-const.c
index
1b49128
..
f75d479
100644
(file)
--- a/
gcc/fold-const.c
+++ b/
gcc/fold-const.c
@@
-5335,6
+5335,7
@@
fold (expr)
0);
}
+#if 0 /* This is no longer useful, but breaks some real code. */
/* Assume a nonexplicit constant cannot equal an explicit one,
since such code would be undefined anyway.
Exception: on sysvr4, using #pragma weak,
@@
-5345,7
+5346,7
@@
fold (expr)
&& TREE_CODE (arg0) == ADDR_EXPR
&& code == EQ_EXPR)
t1 = build_int_2 (0, 0);
-
+#endif
/* Two real constants can be compared explicitly. */
else if (TREE_CODE (arg0) == REAL_CST && TREE_CODE (arg1) == REAL_CST)
{