src/cpu/ppc/vm/vm_version_ppc.cpp

*** 1,8 ****
  /*
!  * Copyright (c) 1997, 2016, Oracle and/or its affiliates. All rights reserved.
!  * Copyright (c) 2012, 2016 SAP SE. All rights reserved.
   * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
   *
   * This code is free software; you can redistribute it and/or modify it
   * under the terms of the GNU General Public License version 2 only, as
   * published by the Free Software Foundation.
--- 1,8 ----
  /*
!  * Copyright (c) 1997, 2017, Oracle and/or its affiliates. All rights reserved.
!  * Copyright (c) 2012, 2017, SAP SE. All rights reserved.
   * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
   *
   * This code is free software; you can redistribute it and/or modify it
   * under the terms of the GNU General Public License version 2 only, as
   * published by the Free Software Foundation.
*** 170,191 ****
      AllocatePrefetchStyle = 1; // Fall back if inappropriate.
    }
  
    assert(AllocatePrefetchStyle >= 0, "AllocatePrefetchStyle should be positive");
  
!   // Implementation does not use any of the vector instructions
!   // available with Power8. Their exploitation is still pending.
    if (!UseCRC32Intrinsics) {
      if (FLAG_IS_DEFAULT(UseCRC32Intrinsics)) {
        FLAG_SET_DEFAULT(UseCRC32Intrinsics, true);
      }
    }
  
!   if (UseCRC32CIntrinsics) {
!     if (!FLAG_IS_DEFAULT(UseCRC32CIntrinsics))
!       warning("CRC32C intrinsics are not available on this CPU");
!     FLAG_SET_DEFAULT(UseCRC32CIntrinsics, false);
    }
  
    // The AES intrinsic stubs require AES instruction support.
  #if defined(VM_LITTLE_ENDIAN)
    if (has_vcipher()) {
--- 170,200 ----
      AllocatePrefetchStyle = 1; // Fall back if inappropriate.
    }
  
    assert(AllocatePrefetchStyle >= 0, "AllocatePrefetchStyle should be positive");
  
!   // If defined(VM_LITTLE_ENDIAN) and running on Power8 or newer hardware,
!   // the implementation uses the vector instructions available with Power8.
!   // In all other cases, the implementation uses only generally available instructions.
    if (!UseCRC32Intrinsics) {
      if (FLAG_IS_DEFAULT(UseCRC32Intrinsics)) {
        FLAG_SET_DEFAULT(UseCRC32Intrinsics, true);
      }
    }
  
!   // Implementation does not use any of the vector instructions available with Power8.
!   // Their exploitation is still pending (aka "work in progress").
!   if (!UseCRC32CIntrinsics) {
!     if (FLAG_IS_DEFAULT(UseCRC32CIntrinsics)) {
!       FLAG_SET_DEFAULT(UseCRC32CIntrinsics, true);
!     }
!   }
! 
!   // TODO: Provide implementation.
!   if (UseAdler32Intrinsics) {
!     warning("Adler32Intrinsics not available on this CPU.");
!     FLAG_SET_DEFAULT(UseAdler32Intrinsics, false);
    }
  
    // The AES intrinsic stubs require AES instruction support.
  #if defined(VM_LITTLE_ENDIAN)
    if (has_vcipher()) {
*** 243,257 ****
      FLAG_SET_DEFAULT(UseSHA1Intrinsics, false);
      FLAG_SET_DEFAULT(UseSHA256Intrinsics, false);
      FLAG_SET_DEFAULT(UseSHA512Intrinsics, false);
    }
  
-   if (UseAdler32Intrinsics) {
-     warning("Adler32Intrinsics not available on this CPU.");
-     FLAG_SET_DEFAULT(UseAdler32Intrinsics, false);
-   }
- 
    if (FLAG_IS_DEFAULT(UseMultiplyToLenIntrinsic)) {
      UseMultiplyToLenIntrinsic = true;
    }
    if (FLAG_IS_DEFAULT(UseMontgomeryMultiplyIntrinsic)) {
      UseMontgomeryMultiplyIntrinsic = true;
--- 252,261 ----