re PR target/85473 (internal compiler error: in emit_move_insn, at expr.c:3722)

2018-04-25  Sebastian Peryt  <sebastian.peryt@intel.com>

	gcc/ChangeLog:

	PR target/85473
	* config/i386/i386.c (ix86_expand_builtin): Change memory
	operand to XI, extend p0 to Pmode.
	* config/i386/i386.md: Change unspec volatile and operand
	1 mode to XI, change operand 0 mode to P.

	gcc/testsuite/ChangeLog:

	PR target/85473
	* gcc.target/i386/pr85473-1.c: New test.
	* gcc.target/i386/pr85473-2.c: New test.

From-SVN: r259648

gcc/ChangeLog

+2018-04-25  Sebastian Peryt  <sebastian.peryt@intel.com>
+
+	PR target/85473
+	* config/i386/i386.c (ix86_expand_builtin): Change memory
+	operand to XI, extend p0 to Pmode.
+	* config/i386/i386.md: Change unspec volatile and operand
+	1 mode to XI, change operand 0 mode to P.
+
 2018-04-25  Chung-Ju Wu  <jasonwucj@gmail.com>
 
 	* config/nds32/nds32-predicates.c (nds32_can_use_bclr_p): Mask with

gcc/config/i386/i386.c

@@ -37147,11 +37147,14 @@ ix86_expand_builtin (tree exp, rtx target, rtx subtarget,
       arg1 = CALL_EXPR_ARG (exp, 1);
       op0 = expand_normal (arg0);
       op1 = expand_normal (arg1);
-      mode0 = (TARGET_64BIT ? DImode : SImode);
 
-      op0 = force_reg (mode0, op0);
-      if (!memory_operand (op1, mode0))
-	op1 = gen_rtx_MEM (mode0, op1);
+      op0 = ix86_zero_extend_to_Pmode (op0);
+      if (!address_operand (op1, VOIDmode))
+      {
+	op1 = convert_memory_address (Pmode, op1);
+	op1 = copy_addr_to_reg (op1);
+      }
+      op1 = gen_rtx_MEM (XImode, op1);
 
       insn = (TARGET_64BIT
 		? gen_movdir64b_di (op0, op1)

gcc/config/i386/i386.md

@@ -20697,8 +20697,8 @@
   [(set_attr "type" "other")])
 
 (define_insn "movdir64b_<mode>"
-  [(unspec_volatile:SWI48[(match_operand:SWI48 0 "register_operand" "r")
-	(match_operand:SWI48 1 "memory_operand")]
+  [(unspec_volatile:XI[(match_operand:P 0 "register_operand" "r")
+	(match_operand:XI 1 "memory_operand")]
 		 UNSPECV_MOVDIR64B)]
   "TARGET_MOVDIR64B"
   "movdir64b\t{%1, %0|%0, %1}"

gcc/testsuite/ChangeLog

+2018-04-25  Sebastian Peryt  <sebastian.peryt@intel.com>
+
+	PR target/85473
+	* gcc.target/i386/pr85473-1.c: New test.
+	* gcc.target/i386/pr85473-2.c: New test.
+
 2018-04-25  Nathan Sidwell  <nathan@acm.org>
 	    Jakub Jelinek  <jakub@redhat.com>
 

gcc/testsuite/gcc.target/i386/pr85473-1.c

+/* { dg-do compile { target { ! ia32 } } } */
+/* { dg-require-effective-target maybe_x32 } */
+/* { dg-options "-O2 -mx32 -maddress-mode=short -mmovdir64b" } */
+/* { dg-final { scan-assembler "movdir64b\[ \\t\]" } } */
+
+unsigned int w[5] __attribute__((aligned(64)));
+
+void
+foo ()
+{
+
+   unsigned int array[] = {1, 2, 3, 4, 5};
+   __builtin_ia32_movdir64b(w, array);
+}
+

gcc/testsuite/gcc.target/i386/pr85473-2.c

+/* { dg-do compile { target { ! ia32 } } } */
+/* { dg-require-effective-target maybe_x32 } */
+/* { dg-options "-O2 -mx32 -maddress-mode=long -mmovdir64b" } */
+/* { dg-final { scan-assembler "movdir64b\[ \\t\]" } } */
+
+#include "pr85473-1.c"
+