Mercurial > jdk8-mips64-public > hotspot / changeset

     1.1 --- a/src/cpu/mips/vm/mips_64.ad	Mon Nov 13 15:49:42 2017 +0800
     1.2 +++ b/src/cpu/mips/vm/mips_64.ad	Mon Nov 13 15:58:57 2017 +0800
     1.3 @@ -13125,6 +13125,28 @@
     1.4    match(Set res (CompareAndSwapI mem_ptr (Binary oldval newval)));
     1.5    effect(KILL oldval);
     1.6  //  match(CompareAndSwapI mem_ptr (Binary oldval newval));
     1.7 +  format %{ "CMPXCHG $newval, [$mem_ptr], $oldval @ compareAndSwapL\n\t"
     1.8 +            "MOV    $res, 1 @ compareAndSwapI\n\t"
     1.9 +            "BNE    AT, R0 @ compareAndSwapI\n\t"
    1.10 +            "MOV    $res, 0 @ compareAndSwapI\n"
    1.11 +          "L:" %}
    1.12 +  ins_encode %{
    1.13 +    Register newval = $newval$$Register;
    1.14 +    Register oldval = $oldval$$Register;
    1.15 +    Register res    = $res$$Register;
    1.16 +    Address  addr($mem_ptr$$Register, 0);
    1.17 +    Label L;
    1.18 +
    1.19 +    __ cmpxchg32(newval, addr, oldval);
    1.20 +    __ move(res, AT);
    1.21 +  %}
    1.22 +  ins_pipe( long_memory_op );
    1.23 +%}
    1.24 +
    1.25 +instruct compareAndSwapL( mRegI res, mRegP mem_ptr, s2RegL oldval, mRegL newval) %{
    1.26 +  predicate(VM_Version::supports_cx8());
    1.27 +  match(Set res (CompareAndSwapL mem_ptr (Binary oldval newval)));
    1.28 +  effect(KILL oldval);
    1.29    format %{ "CMPXCHG $newval, [$mem_ptr], $oldval @ compareAndSwapI\n\t"
    1.30              "MOV    $res, 1 @ compareAndSwapI\n\t"
    1.31              "BNE    AT, R0 @ compareAndSwapI\n\t"
    1.32 @@ -13137,7 +13159,7 @@
    1.33      Address  addr($mem_ptr$$Register, 0);
    1.34      Label L;
    1.35  
    1.36 -    __ cmpxchg32(newval, addr, oldval);
    1.37 +    __ cmpxchg(newval, addr, oldval);
    1.38      __ move(res, AT);
    1.39    %}
    1.40    ins_pipe( long_memory_op );