arc.c (arc_print_operand): Print integer 'H' / 'L'

2016-04-28  Joern Rennecke  <joern.rennecke@embecosm.com>
            Andrew Burgess  <andrew.burgess@embecosm.com>
gcc:
        * config/arc/arc.c (arc_print_operand): Print integer 'H' / 'L'
gcc/testsuite:
        * gcc.target/arc/movh_cl-1.c: New file.

Co-Authored-By: Andrew Burgess <andrew.burgess@embecosm.com>

From-SVN: r235600

gcc/ChangeLog

+2016-04-28  Joern Rennecke  <joern.rennecke@embecosm.com>
+	    Andrew Burgess  <andrew.burgess@embecosm.com>
+
+	* config/arc/arc.c (arc_print_operand): Print integer 'H' / 'L'
+	operands as 32-bits.
+
 2016-04-28  Jason Merrill  <jason@redhat.com>
 
 	* gdbinit.in: Skip line-map.h.

gcc/config/arc/arc.c

@@ -3235,19 +3235,17 @@ arc_print_operand (FILE *file, rtx x, int code)
       else if (GET_CODE (x) == CONST_INT
 	       || GET_CODE (x) == CONST_DOUBLE)
 	{
-	  rtx first, second;
+	  rtx first, second, word;
 
 	  split_double (x, &first, &second);
 
 	  if((WORDS_BIG_ENDIAN) == 0)
-	      fprintf (file, "0x%08" PRIx64,
-		       code == 'L' ? INTVAL (first) : INTVAL (second));
+	    word = (code == 'L' ? first : second);
 	  else
-	      fprintf (file, "0x%08" PRIx64,
-		       code == 'L' ? INTVAL (second) : INTVAL (first));
+	    word = (code == 'L' ? second : first);
 
-
-	  }
+	  fprintf (file, "0x%08" PRIx32, ((uint32_t) INTVAL (word)));
+	}
       else
 	output_operand_lossage ("invalid operand to %%H/%%L code");
       return;

gcc/testsuite/ChangeLog

 2016-04-28  Joern Rennecke  <joern.rennecke@embecosm.com>
 	    Andrew Burgess  <andrew.burgess@embecosm.com>
 
+	* gcc.target/arc/movh_cl-1.c: New file.
+
+2016-04-28  Joern Rennecke  <joern.rennecke@embecosm.com>
+	    Andrew Burgess  <andrew.burgess@embecosm.com>
+
 	* gcc.target/arc/extzv-1.c: New file.
 	* gcc.target/arc/insv-1.c: New file.
 	* gcc.target/arc/insv-2.c: New file.

gcc/testsuite/gcc.target/arc/movh_cl-1.c

+/* { dg-do compile } */
+/* { dg-options "-mcpu=nps400 -O2 -mbitops" } */
+
+struct thing
+{
+  union
+  {
+    int raw;
+    struct
+    {
+      unsigned a : 1;
+      unsigned b : 1;
+    };
+  };
+};
+
+extern void func (int);
+
+void
+blah ()
+{
+  struct thing xx;
+  xx.a = xx.b = 1;
+  func (xx.raw);
+}
+
+/* { dg-final { scan-assembler "movh\.cl r\[0-9\]+,0xc0000000>>16" } } */