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

     1.1 --- a/src/share/vm/opto/machnode.hpp	Mon Apr 14 20:56:48 2014 -0400
     1.2 +++ b/src/share/vm/opto/machnode.hpp	Thu Apr 10 23:15:13 2014 -0700
     1.3 @@ -210,7 +210,14 @@
     1.4    bool may_be_short_branch() const { return (flags() & Flag_may_be_short_branch) != 0; }
     1.5  
     1.6    // Avoid back to back some instructions on some CPUs.
     1.7 -  bool avoid_back_to_back() const { return (flags() & Flag_avoid_back_to_back) != 0; }
     1.8 +  enum AvoidBackToBackFlag { AVOID_NONE = 0,
     1.9 +                             AVOID_BEFORE = Flag_avoid_back_to_back_before,
    1.10 +                             AVOID_AFTER = Flag_avoid_back_to_back_after,
    1.11 +                             AVOID_BEFORE_AND_AFTER = AVOID_BEFORE | AVOID_AFTER };
    1.12 +
    1.13 +  bool avoid_back_to_back(AvoidBackToBackFlag flag_value) const {
    1.14 +    return (flags() & flag_value) == flag_value;
    1.15 +  }
    1.16  
    1.17    // instruction implemented with a call
    1.18    bool has_call() const { return (flags() & Flag_has_call) != 0; }