src/hotspot/os_cpu/linux_aarch64/vm_version_linux_aarch64.cpp

@@ -111,26 +111,26 @@
  void VM_Version::get_os_cpu_info() {
  
    uint64_t auxv = getauxval(AT_HWCAP);
    uint64_t auxv2 = getauxval(AT_HWCAP2);
  
-   static_assert(CPU_FP      == HWCAP_FP,      "Flag CPU_FP must follow Linux HWCAP");
-   static_assert(CPU_ASIMD   == HWCAP_ASIMD,   "Flag CPU_ASIMD must follow Linux HWCAP");
-   static_assert(CPU_EVTSTRM == HWCAP_EVTSTRM, "Flag CPU_EVTSTRM must follow Linux HWCAP");
-   static_assert(CPU_AES     == HWCAP_AES,     "Flag CPU_AES must follow Linux HWCAP");
-   static_assert(CPU_PMULL   == HWCAP_PMULL,   "Flag CPU_PMULL must follow Linux HWCAP");
-   static_assert(CPU_SHA1    == HWCAP_SHA1,    "Flag CPU_SHA1 must follow Linux HWCAP");
-   static_assert(CPU_SHA2    == HWCAP_SHA2,    "Flag CPU_SHA2 must follow Linux HWCAP");
-   static_assert(CPU_CRC32   == HWCAP_CRC32,   "Flag CPU_CRC32 must follow Linux HWCAP");
-   static_assert(CPU_LSE     == HWCAP_ATOMICS, "Flag CPU_LSE must follow Linux HWCAP");
-   static_assert(CPU_DCPOP   == HWCAP_DCPOP,   "Flag CPU_DCPOP must follow Linux HWCAP");
-   static_assert(CPU_SHA3    == HWCAP_SHA3,    "Flag CPU_SHA3 must follow Linux HWCAP");
-   static_assert(CPU_SHA512  == HWCAP_SHA512,  "Flag CPU_SHA512 must follow Linux HWCAP");
-   static_assert(CPU_SVE     == HWCAP_SVE,     "Flag CPU_SVE must follow Linux HWCAP");
-   static_assert(CPU_PACA    == HWCAP_PACA,    "Flag CPU_PACA must follow Linux HWCAP");
-   static_assert(CPU_FPHP    == HWCAP_FPHP,    "Flag CPU_FPHP must follow Linux HWCAP");
-   static_assert(CPU_ASIMDHP == HWCAP_ASIMDHP, "Flag CPU_ASIMDHP must follow Linux HWCAP");
+   static_assert(BIT_MASK(CPU_FP)      == HWCAP_FP,      "Flag CPU_FP must follow Linux HWCAP");
+   static_assert(BIT_MASK(CPU_ASIMD)   == HWCAP_ASIMD,   "Flag CPU_ASIMD must follow Linux HWCAP");
+   static_assert(BIT_MASK(CPU_EVTSTRM) == HWCAP_EVTSTRM, "Flag CPU_EVTSTRM must follow Linux HWCAP");
+   static_assert(BIT_MASK(CPU_AES)     == HWCAP_AES,     "Flag CPU_AES must follow Linux HWCAP");
+   static_assert(BIT_MASK(CPU_PMULL)   == HWCAP_PMULL,   "Flag CPU_PMULL must follow Linux HWCAP");
+   static_assert(BIT_MASK(CPU_SHA1)    == HWCAP_SHA1,    "Flag CPU_SHA1 must follow Linux HWCAP");
+   static_assert(BIT_MASK(CPU_SHA2)    == HWCAP_SHA2,    "Flag CPU_SHA2 must follow Linux HWCAP");
+   static_assert(BIT_MASK(CPU_CRC32)   == HWCAP_CRC32,   "Flag CPU_CRC32 must follow Linux HWCAP");
+   static_assert(BIT_MASK(CPU_LSE)     == HWCAP_ATOMICS, "Flag CPU_LSE must follow Linux HWCAP");
+   static_assert(BIT_MASK(CPU_DCPOP)   == HWCAP_DCPOP,   "Flag CPU_DCPOP must follow Linux HWCAP");
+   static_assert(BIT_MASK(CPU_SHA3)    == HWCAP_SHA3,    "Flag CPU_SHA3 must follow Linux HWCAP");
+   static_assert(BIT_MASK(CPU_SHA512)  == HWCAP_SHA512,  "Flag CPU_SHA512 must follow Linux HWCAP");
+   static_assert(BIT_MASK(CPU_SVE)     == HWCAP_SVE,     "Flag CPU_SVE must follow Linux HWCAP");
+   static_assert(BIT_MASK(CPU_PACA)    == HWCAP_PACA,    "Flag CPU_PACA must follow Linux HWCAP");
+   static_assert(BIT_MASK(CPU_FPHP)    == HWCAP_FPHP,    "Flag CPU_FPHP must follow Linux HWCAP");
+   static_assert(BIT_MASK(CPU_ASIMDHP) == HWCAP_ASIMDHP, "Flag CPU_ASIMDHP must follow Linux HWCAP");
    _features = auxv & (
        HWCAP_FP      |
        HWCAP_ASIMD   |
        HWCAP_EVTSTRM |
        HWCAP_AES     |

@@ -145,12 +145,12 @@
        HWCAP_SVE     |
        HWCAP_PACA    |
        HWCAP_FPHP    |
        HWCAP_ASIMDHP);
  
-   if (auxv2 & HWCAP2_SVE2) _features |= CPU_SVE2;
-   if (auxv2 & HWCAP2_SVEBITPERM) _features |= CPU_SVEBITPERM;
+   if (auxv2 & HWCAP2_SVE2) set_feature(CPU_SVE2);
+   if (auxv2 & HWCAP2_SVEBITPERM) set_feature(CPU_SVEBITPERM);
  
    uint64_t ctr_el0;
    uint64_t dczid_el0;
    __asm__ (
      "mrs %0, CTR_EL0\n"

@@ -180,11 +180,11 @@
            _model = v;
          } else if (strncmp(buf, "CPU revision", sizeof "CPU revision" - 1) == 0) {
            _revision = v;
          } else if (strncmp(buf, "flags", sizeof("flags") - 1) == 0) {
            if (strstr(p+1, "dcpop")) {
-             guarantee(_features & CPU_DCPOP, "dcpop availability should be consistent");
+             guarantee(supports_feature(CPU_DCPOP), "dcpop availability should be consistent");
            }
          }
        }
      }
      fclose(f);