src/cpu/aarch64/vm/aarch64.ad

rev 10083 : 8149100: AArch64: "bad AD file" for LL enconding AryEq Node matching
Summary: add byte array equal support for aarch64
Reviewed-by: duke

*** 14926,14936 ****
                        $tmp$$Register);
    %}
    ins_pipe(pipe_class_memory);
  %}
  
! instruct array_equals(iRegP_R1 ary1, iRegP_R2 ary2, iRegI_R0 result,
                        iRegP_R10 tmp, rFlagsReg cr)
  %{
    predicate(((AryEqNode*)n)->encoding() == StrIntrinsicNode::UU);
    match(Set result (AryEq ary1 ary2));
    effect(KILL tmp, USE_KILL ary1, USE_KILL ary2, KILL cr);
--- 14926,14951 ----
                        $tmp$$Register);
    %}
    ins_pipe(pipe_class_memory);
  %}
  
! instruct array_equalsB(iRegP_R1 ary1, iRegP_R2 ary2, iRegI_R0 result,
!                       iRegP_R10 tmp, rFlagsReg cr)
! %{
!   predicate(((AryEqNode*)n)->encoding() == StrIntrinsicNode::LL);
!   match(Set result (AryEq ary1 ary2));
!   effect(KILL tmp, USE_KILL ary1, USE_KILL ary2, KILL cr);
! 
!   format %{ "Array Equals $ary1,ary2 -> $result    // KILL $tmp" %}
!   ins_encode %{
!     __ byte_arrays_equals($ary1$$Register, $ary2$$Register,
!                           $result$$Register, $tmp$$Register);
!   %}
!   ins_pipe(pipe_class_memory);
! %}
! 
! instruct array_equalsC(iRegP_R1 ary1, iRegP_R2 ary2, iRegI_R0 result,
                        iRegP_R10 tmp, rFlagsReg cr)
  %{
    predicate(((AryEqNode*)n)->encoding() == StrIntrinsicNode::UU);
    match(Set result (AryEq ary1 ary2));
    effect(KILL tmp, USE_KILL ary1, USE_KILL ary2, KILL cr);