recog.c (validate_replace_rtx_1): Instead of aborting just make sure the change won't be validated.

	* recog.c (validate_replace_rtx_1): Instead of aborting just make
	sure the change won't be validated.

	* gcc.c-torture/compile/20010326-1.c: New test.

From-SVN: r41083

gcc/ChangeLog

+2001-04-04  Jakub Jelinek  <jakub@redhat.com>
+
+	* recog.c (validate_replace_rtx_1): Instead of aborting just make
+	sure the change won't be validated.
+
 Wed Apr  4 00:45:38 EDT 2001  John Wehle  (john@feith.com)
 
 	* rtl.h (set_noop_p): Declare.

gcc/recog.c

@@ -625,7 +625,13 @@ validate_replace_rtx_1 (loc, from, to, object)
 		  inner_mode = SImode;
 
 		if (GET_MODE_CLASS (mode) != MODE_INT)
-		  abort ();
+		  {
+		    /* Substitute in something that we know won't be
+		       recognized.  */
+		    to = gen_rtx_CLOBBER (GET_MODE (x), const0_rtx);
+		    validate_change (object, loc, to, 1);
+		    return;
+		  }
 
 		if (BYTES_BIG_ENDIAN || WORDS_BIG_ENDIAN)
 		  {

gcc/testsuite/ChangeLog

+2001-04-04  Jakub Jelinek  <jakub@redhat.com>
+
+	* gcc.c-torture/compile/20010326-1.c: New test.
+
 2001-04-03  Alexandre Oliva  <aoliva@redhat.com>
 
 	* g++.old-deja/g++.ext/instantiate1.C: Adjust to accommodate

gcc/testsuite/gcc.c-torture/compile/20010326-1.c

+float d;
+int e, f;
+
+void foo (void)
+{
+  struct { float u, v; } a = {0.0, 0.0};
+  float b;
+  int c;
+
+  c = e;
+  if (c == 0)
+    c = f;
+  b = d;
+  if (a.v < b)
+    a.v = b;
+}