neon.md (vec_set<mode>_internal): Fix misplaced parenthesis in D-register case.

	gcc/
	* config/arm/neon.md (vec_set<mode>_internal): Fix misplaced
	parenthesis in D-register case.

	gcc/testsuite/
	* gcc.target/arm/neon-vset_lanes8.c: New test.

From-SVN: r173435

gcc/ChangeLog

+2011-05-05  Julian Brown  <julian@codesourcery.com>
+
+	* config/arm/neon.md (vec_set<mode>_internal): Fix misplaced
+	parenthesis in D-register case.
+
 2011-05-05  Joseph Myers  <joseph@codesourcery.com>
 
 	* opt-functions.awk (var_type_struct): Handle Enum options.

gcc/config/arm/neon.md

@@ -426,7 +426,7 @@
           (match_operand:SI 2 "immediate_operand" "i")))]
   "TARGET_NEON"
 {
-  int elt = ffs ((int) INTVAL (operands[2]) - 1);
+  int elt = ffs ((int) INTVAL (operands[2])) - 1;
   if (BYTES_BIG_ENDIAN)
     elt = GET_MODE_NUNITS (<MODE>mode) - 1 - elt;
   operands[2] = GEN_INT (elt);

gcc/testsuite/ChangeLog

+2011-05-05  Julian Brown  <julian@codesourcery.com>
+
+	* gcc.target/arm/neon-vset_lanes8.c: New test.
+
 2011-05-05  Jason Merrill  <jason@redhat.com>
 
 	* g++.dg/init/new32.C: New.

gcc/testsuite/gcc.target/arm/neon-vset_lanes8.c

+/* Test the `vset_lane_s8' ARM Neon intrinsic.  */
+
+/* { dg-do run } */
+/* { dg-require-effective-target arm_neon_hw } */
+/* { dg-options "-O0" } */
+/* { dg-add-options arm_neon } */
+
+#include "arm_neon.h"
+#include <stdlib.h>
+#include <string.h>
+
+int8x8_t x = { 1, 2, 3, 4, 5, 6, 7, 8 };
+int8x8_t y = { 1, 2, 3, 16, 5, 6, 7, 8 };
+
+int main (void)
+{
+  x = vset_lane_s8 (16, x, 3);
+  if (memcmp (&x, &y, sizeof (x)) != 0)
+    abort();
+  return 0;
+}