re PR target/89186 (ICE in mark_addressable at gcc/gimple-expr.c:894 since r268138)

	PR target/89186
	* optabs.c (prepare_cmp_insn): Pass x and y to
	emit_block_comp_via_libcall rather than XEXP (x, 0) and XEXP (y, 0).

	* g++.dg/ext/vector36.C: New test.

From-SVN: r268531

gcc/ChangeLog

+2019-02-05  Jakub Jelinek  <jakub@redhat.com>
+
+	PR target/89186
+	* optabs.c (prepare_cmp_insn): Pass x and y to
+	emit_block_comp_via_libcall rather than XEXP (x, 0) and XEXP (y, 0).
+
 2019-02-05  Richard Biener  <rguenther@suse.de>
 
 	PR middle-end/89150

gcc/optabs.c

@@ -3917,7 +3917,7 @@ prepare_cmp_insn (rtx x, rtx y, enum rtx_code comparison, rtx size,
 	goto fail;
 
       /* Otherwise call a library function.  */
-      result = emit_block_comp_via_libcall (XEXP (x, 0), XEXP (y, 0), size);
+      result = emit_block_comp_via_libcall (x, y, size);
 
       x = result;
       y = const0_rtx;

gcc/testsuite/ChangeLog

+2019-02-05  Jakub Jelinek  <jakub@redhat.com>
+
+	PR target/89186
+	* g++.dg/ext/vector36.C: New test.
+
 2019-02-05  Alexandre Oliva <aoliva@redhat.com>
 
 	PR c++/87770

gcc/testsuite/g++.dg/ext/vector36.C

+// PR target/89186
+// { dg-do compile }
+// { dg-options "-fnon-call-exceptions" }
+// { dg-additional-options "-mno-sse" { target i?86-*-* x86_64-*-* } }
+
+#include "vector27.C"