src/cpu/aarch64/vm/aarch64.ad

rev 11942 : 8247979: aarch64: missing side effect of killing flags for clearArray_reg_reg
Reviewed-by: adinn
Contributed-by: wangyadong4@huawei.com

*** 12371,12381 ****
  // clearing of an array
  
  instruct clearArray_reg_reg(iRegL_R11 cnt, iRegP_R10 base, Universe dummy, rFlagsReg cr)
  %{
    match(Set dummy (ClearArray cnt base));
!   effect(USE_KILL cnt, USE_KILL base);
  
    ins_cost(4 * INSN_COST);
    format %{ "ClearArray $cnt, $base" %}
  
    ins_encode %{
--- 12371,12381 ----
  // clearing of an array
  
  instruct clearArray_reg_reg(iRegL_R11 cnt, iRegP_R10 base, Universe dummy, rFlagsReg cr)
  %{
    match(Set dummy (ClearArray cnt base));
!   effect(USE_KILL cnt, USE_KILL base, KILL cr);
  
    ins_cost(4 * INSN_COST);
    format %{ "ClearArray $cnt, $base" %}
  
    ins_encode %{
*** 12386,12396 ****
  %}
  
  instruct clearArray_imm_reg(immL cnt, iRegP_R10 base, iRegL_R11 tmp, Universe dummy, rFlagsReg cr)
  %{
    match(Set dummy (ClearArray cnt base));
!   effect(USE_KILL base, TEMP tmp);
  
    ins_cost(4 * INSN_COST);
    format %{ "ClearArray $cnt, $base" %}
  
    ins_encode %{
--- 12386,12396 ----
  %}
  
  instruct clearArray_imm_reg(immL cnt, iRegP_R10 base, iRegL_R11 tmp, Universe dummy, rFlagsReg cr)
  %{
    match(Set dummy (ClearArray cnt base));
!   effect(USE_KILL base, TEMP tmp, KILL cr);
  
    ins_cost(4 * INSN_COST);
    format %{ "ClearArray $cnt, $base" %}
  
    ins_encode %{