(fold): Do A op C1 ? A : C2 opt only for INTEGER_TYPEs.

From-SVN: r1965

(fold): Do A op C1 ? A : C2 opt only for INTEGER_TYPEs.
From-SVN: r1965
53d2fb4f · Richard Stallman · f95361c8 · 53d2fb4f
Commit 53d2fb4f authored Aug 26, 1992 by Richard Stallman
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gcc/fold-const.c
+4 -2

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--- a/gcc/fold-const.c
+++ b/gcc/fold-const.c
@@ -4110,9 +4110,11 @@ fold (expr)
 	  /* If this is A op C1 ? A : C2 with C1 and C2 constant integers,
 	     we might still be able to simplify this.  For example,
 	     if C1 is one less or one more than C2, this might have started
-	     out as a MIN or MAX and been transformed by this function.  */
+	     out as a MIN or MAX and been transformed by this function.
+	     Only good for INTEGER_TYPE, because we need TYPE_MAX_VALUE.  */

-	  if (TREE_CODE (TREE_OPERAND (arg0, 1)) == INTEGER_CST
+	  if (TREE_CODE (type) == INTEGER_TYPE
+	      && TREE_CODE (TREE_OPERAND (arg0, 1)) == INTEGER_CST
 	      && TREE_CODE (arg2) == INTEGER_CST)
 	    switch (comp_code)
 	      {