Mercurial > jdk8-mips64-public > hotspot / file diff

     1.1 --- a/src/cpu/mips/vm/mips_64.ad	Mon Feb 20 21:58:46 2017 +0800
     1.2 +++ b/src/cpu/mips/vm/mips_64.ad	Mon Feb 20 22:04:56 2017 +0800
     1.3 @@ -10951,10 +10951,13 @@
     1.4      int      shamt = ($shift$$constant & 0x3f);
     1.5      if (__  is_simm(shamt, 5))
     1.6  	__ dsra(dst_reg, src_reg, shamt);
     1.7 -    else
     1.8 -    {
     1.9 -	__ move(AT, shamt);
    1.10 -	__ dsrav(dst_reg, src_reg, AT);
    1.11 +    else {
    1.12 +        int sa = low(shamt, 6);
    1.13 +        if (sa < 32) {
    1.14 +	   __ dsra(dst_reg, src_reg, sa);
    1.15 +        } else {
    1.16 +	   __ dsra32(dst_reg, src_reg, sa - 32);
    1.17 +        }
    1.18      }
    1.19    %}
    1.20    ins_pipe( ialu_regL_regL );