[PATCH, ARM] Fix NEON vset_lane for D registers

[Julian Brown]

Hi,

This patch fixes vset_lane intrinsic variants for D-register sized
variables. A typo meant that the wrong lane would be set in many
circumstances.

Tested manually only. OK to apply?

Thanks,

Julian

ChangeLog

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


Index: gcc/config/arm/neon.md
===================================================================
--- gcc/config/arm/neon.md	(revision 173299)
+++ gcc/config/arm/neon.md	(working copy)
@@ -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);