re PR middle-end/89663 (ICE in expand_builtin_int_roundingfn_2, at builtins.c:2831)

	PR middle-end/89663
	* builtins.c (expand_builtin_int_roundingfn,
	expand_builtin_int_roundingfn_2): Return NULL_RTX instead of
	gcc_unreachable if validate_arglist fails.

	* gcc.c-torture/compile/pr89663-1.c: New test.
	* gcc.c-torture/compile/pr89663-2.c: New test.

From-SVN: r269605

gcc/ChangeLog

+2019-03-12  Jakub Jelinek  <jakub@redhat.com>
+
+	PR middle-end/89663
+	* builtins.c (expand_builtin_int_roundingfn,
+	expand_builtin_int_roundingfn_2): Return NULL_RTX instead of
+	gcc_unreachable if validate_arglist fails.
+
 2019-03-12  Richard Biener  <rguenther@suse.de>
 
 	PR tree-optimization/89664

gcc/builtins.c

@@ -2692,7 +2692,7 @@ expand_builtin_int_roundingfn (tree exp, rtx target)
   tree arg;
 
   if (!validate_arglist (exp, REAL_TYPE, VOID_TYPE))
-    gcc_unreachable ();
+    return NULL_RTX;
 
   arg = CALL_EXPR_ARG (exp, 0);
 
@@ -2828,7 +2828,7 @@ expand_builtin_int_roundingfn_2 (tree exp, rtx target)
   enum built_in_function fallback_fn = BUILT_IN_NONE;
 
   if (!validate_arglist (exp, REAL_TYPE, VOID_TYPE))
-     gcc_unreachable ();
+    return NULL_RTX;
 
   arg = CALL_EXPR_ARG (exp, 0);
 

gcc/testsuite/ChangeLog

+2019-03-12  Jakub Jelinek  <jakub@redhat.com>
+
+	PR middle-end/89663
+	* gcc.c-torture/compile/pr89663-1.c: New test.
+	* gcc.c-torture/compile/pr89663-2.c: New test.
+
 2019-03-12  Richard Biener  <rguenther@suse.de>
 
 	PR tree-optimization/89664

gcc/testsuite/gcc.c-torture/compile/pr89663-1.c

+/* PR middle-end/89663 */
+
+int irint ();
+long lrint ();
+long long llrint ();
+int iround ();
+long lround ();
+long long llround ();
+int iceil ();
+long lceil ();
+long long llceil ();
+int ifloor ();
+long lfloor ();
+long long llfloor ();
+int irintf ();
+long lrintf ();
+long long llrintf ();
+int iroundf ();
+long lroundf ();
+long long llroundf ();
+int iceilf ();
+long lceilf ();
+long long llceilf ();
+int ifloorf ();
+long lfloorf ();
+long long llfloorf ();
+int irintl ();
+long lrintl ();
+long long llrintl ();
+int iroundl ();
+long lroundl ();
+long long llroundl ();
+int iceill ();
+long lceill ();
+long long llceill ();
+int ifloorl ();
+long lfloorl ();
+long long llfloorl ();
+
+void
+foo (long long *p)
+{
+  int n = 0;
+#define T(f) p[n++] = f (1);
+  T (irint)
+  T (lrint)
+  T (llrint)
+  T (iround)
+  T (lround)
+  T (llround)
+  T (iceil)
+  T (lceil)
+  T (llceil)
+  T (ifloor)
+  T (lfloor)
+  T (llfloor)
+  T (irintf)
+  T (lrintf)
+  T (llrintf)
+  T (iroundf)
+  T (lroundf)
+  T (llroundf)
+  T (iceilf)
+  T (lceilf)
+  T (llceilf)
+  T (ifloorf)
+  T (lfloorf)
+  T (llfloorf)
+  T (irintl)
+  T (lrintl)
+  T (llrintl)
+  T (iroundl)
+  T (lroundl)
+  T (llroundl)
+  T (iceill)
+  T (lceill)
+  T (llceill)
+  T (ifloorl)
+  T (lfloorl)
+  T (llfloorl)
+}

gcc/testsuite/gcc.c-torture/compile/pr89663-2.c

+/* PR middle-end/89663 */
+
+int irint (double);
+long lrint (double);
+long long llrint (double);
+int iround (double);
+long lround (double);
+long long llround (double);
+int iceil (double);
+long lceil (double);
+long long llceil (double);
+int ifloor (double);
+long lfloor (double);
+long long llfloor (double);
+int irintf (float);
+long lrintf (float);
+long long llrintf (float);
+int iroundf (float);
+long lroundf (float);
+long long llroundf (float);
+int iceilf (float);
+long lceilf (float);
+long long llceilf (float);
+int ifloorf (float);
+long lfloorf (float);
+long long llfloorf (float);
+int irintl (long double);
+long lrintl (long double);
+long long llrintl (long double);
+int iroundl (long double);
+long lroundl (long double);
+long long llroundl (long double);
+int iceill (long double);
+long lceill (long double);
+long long llceill (long double);
+int ifloorl (long double);
+long lfloorl (long double);
+long long llfloorl (long double);
+
+void
+foo (long long *p)
+{
+  int (*fn) (int);
+  int n = 0;
+#define T(f) fn = (int (*) (int)) f; p[n++] = fn (1);
+  T (irint)
+  T (lrint)
+  T (llrint)
+  T (iround)
+  T (lround)
+  T (llround)
+  T (iceil)
+  T (lceil)
+  T (llceil)
+  T (ifloor)
+  T (lfloor)
+  T (llfloor)
+  T (irintf)
+  T (lrintf)
+  T (llrintf)
+  T (iroundf)
+  T (lroundf)
+  T (llroundf)
+  T (iceilf)
+  T (lceilf)
+  T (llceilf)
+  T (ifloorf)
+  T (lfloorf)
+  T (llfloorf)
+  T (irintl)
+  T (lrintl)
+  T (llrintl)
+  T (iroundl)
+  T (lroundl)
+  T (llroundl)
+  T (iceill)
+  T (lceill)
+  T (llceill)
+  T (ifloorl)
+  T (lfloorl)
+  T (llfloorl)
+}