src/hotspot/cpu/aarch64/vm_version_aarch64.cpp

rev 60737 : 8252204: AArch64: Implement SHA3 accelerator/intrinsic
Reviewed-by: duke
Contributed-by: dongbo4@huawei.com

*** 65,74 ****
--- 65,78 ----
  
  #ifndef HWCAP_SHA512
  #define HWCAP_SHA512 (1 << 21)
  #endif
  
+ #ifndef HWCAP_SHA3
+ #define HWCAP_SHA3 (1 << 17)
+ #endif
+ 
  int VM_Version::_cpu;
  int VM_Version::_model;
  int VM_Version::_model2;
  int VM_Version::_variant;
  int VM_Version::_revision;
*** 289,298 ****
--- 293,303 ----
    if (auxv & HWCAP_CRC32) strcat(buf, ", crc");
    if (auxv & HWCAP_AES)   strcat(buf, ", aes");
    if (auxv & HWCAP_SHA1)  strcat(buf, ", sha1");
    if (auxv & HWCAP_SHA2)  strcat(buf, ", sha256");
    if (auxv & HWCAP_SHA512) strcat(buf, ", sha512");
+   if (auxv & HWCAP_SHA3)  strcat(buf, ", sha3");
    if (auxv & HWCAP_ATOMICS) strcat(buf, ", lse");
  
    _features_string = os::strdup(buf);
  
    if (FLAG_IS_DEFAULT(UseCRC32)) {
*** 367,377 ****
    if (UseMD5Intrinsics) {
      warning("MD5 intrinsics are not available on this CPU");
      FLAG_SET_DEFAULT(UseMD5Intrinsics, false);
    }
  
!   if (auxv & (HWCAP_SHA1 | HWCAP_SHA2)) {
      if (FLAG_IS_DEFAULT(UseSHA)) {
        FLAG_SET_DEFAULT(UseSHA, true);
      }
    } else if (UseSHA) {
      warning("SHA instructions are not available on this CPU");
--- 372,382 ----
    if (UseMD5Intrinsics) {
      warning("MD5 intrinsics are not available on this CPU");
      FLAG_SET_DEFAULT(UseMD5Intrinsics, false);
    }
  
!   if (auxv & (HWCAP_SHA1 | HWCAP_SHA2 | HWCAP_SHA512 | HWCAP_SHA3)) {
      if (FLAG_IS_DEFAULT(UseSHA)) {
        FLAG_SET_DEFAULT(UseSHA, true);
      }
    } else if (UseSHA) {
      warning("SHA instructions are not available on this CPU");
*** 404,414 ****
    } else if (UseSHA512Intrinsics) {
      warning("Intrinsics for SHA-384 and SHA-512 crypto hash functions not available on this CPU.");
      FLAG_SET_DEFAULT(UseSHA512Intrinsics, false);
    }
  
!   if (!(UseSHA1Intrinsics || UseSHA256Intrinsics || UseSHA512Intrinsics)) {
      FLAG_SET_DEFAULT(UseSHA, false);
    }
  
    if (auxv & HWCAP_PMULL) {
      if (FLAG_IS_DEFAULT(UseGHASHIntrinsics)) {
--- 409,429 ----
    } else if (UseSHA512Intrinsics) {
      warning("Intrinsics for SHA-384 and SHA-512 crypto hash functions not available on this CPU.");
      FLAG_SET_DEFAULT(UseSHA512Intrinsics, false);
    }
  
!   if (UseSHA && (auxv & HWCAP_SHA3)) {
!     // Do not auto-enable UseSHA3Intrinsics until it has been fully tested on hardware
!     // if (FLAG_IS_DEFAULT(UseSHA3Intrinsics)) {
!       // FLAG_SET_DEFAULT(UseSHA3Intrinsics, true);
!     // }
!   } else if (UseSHA3Intrinsics) {
!     warning("Intrinsics for SHA3-224, SHA3-256, SHA3-384 and SHA3-512 crypto hash functions not available on this CPU.");
!     FLAG_SET_DEFAULT(UseSHA3Intrinsics, false);
!   }
! 
!   if (!(UseSHA1Intrinsics || UseSHA256Intrinsics || UseSHA512Intrinsics || UseSHA3Intrinsics)) {
      FLAG_SET_DEFAULT(UseSHA, false);
    }
  
    if (auxv & HWCAP_PMULL) {
      if (FLAG_IS_DEFAULT(UseGHASHIntrinsics)) {