src/share/vm/opto/regmask.hpp

rev 8344 : 8076276: Add support for AVX512
Reviewed-by: kvn, roland
Contributed-by: michael.c.berg@intel.com

*** 96,106 ****
    // particular platform.
    enum { SlotsPerLong = 2,
           SlotsPerVecS = 1,
           SlotsPerVecD = 2,
           SlotsPerVecX = 4,
!          SlotsPerVecY = 8 };
  
    // A constructor only used by the ADLC output.  All mask fields are filled
    // in directly.  Calls to this look something like RM(1,2,3,4);
    RegMask(
  #   define BODY(I) int a##I,
--- 96,107 ----
    // particular platform.
    enum { SlotsPerLong = 2,
           SlotsPerVecS = 1,
           SlotsPerVecD = 2,
           SlotsPerVecX = 4,
!          SlotsPerVecY = 8,
!          SlotsPerVecZ = 16 };
  
    // A constructor only used by the ADLC output.  All mask fields are filled
    // in directly.  Calls to this look something like RM(1,2,3,4);
    RegMask(
  #   define BODY(I) int a##I,
*** 297,313 ****
    static const RegMask Empty;   // Common empty mask
  
    static bool can_represent(OptoReg::Name reg) {
      // NOTE: -1 in computation reflects the usage of the last
      //       bit of the regmask as an infinite stack flag and
!     //       -7 is to keep mask aligned for largest value (VecY).
      return (int)reg < (int)(CHUNK_SIZE-1);
    }
    static bool can_represent_arg(OptoReg::Name reg) {
!     // NOTE: -SlotsPerVecY in computation reflects the need
!     //       to keep mask aligned for largest value (VecY).
!     return (int)reg < (int)(CHUNK_SIZE-SlotsPerVecY);
    }
  };
  
  // Do not use this constant directly in client code!
  #undef RM_SIZE
--- 298,314 ----
    static const RegMask Empty;   // Common empty mask
  
    static bool can_represent(OptoReg::Name reg) {
      // NOTE: -1 in computation reflects the usage of the last
      //       bit of the regmask as an infinite stack flag and
!     //       -7 is to keep mask aligned for largest value (VecZ).
      return (int)reg < (int)(CHUNK_SIZE-1);
    }
    static bool can_represent_arg(OptoReg::Name reg) {
!     // NOTE: -SlotsPerVecZ in computation reflects the need
!     //       to keep mask aligned for largest value (VecZ).
!     return (int)reg < (int)(CHUNK_SIZE-SlotsPerVecZ);
    }
  };
  
  // Do not use this constant directly in client code!
  #undef RM_SIZE