src/hotspot/cpu/aarch64/vm_version_aarch64.hpp

*** 39,10 ***
--- 39,12 ---
    static int _model2;
    static int _variant;
    static int _revision;
    static int _stepping;
    static bool _dcpop;
+   static int _initial_sve_vector_length;
+ 
    struct PsrInfo {
      uint32_t dczid_el0;
      uint32_t ctr_el0;
    };
    static PsrInfo _psr_info;

*** 104,10 ***
--- 106,11 ---
    static int cpu_model()                      { return _model; }
    static int cpu_model2()                     { return _model2; }
    static int cpu_variant()                    { return _variant; }
    static int cpu_revision()                   { return _revision; }
    static bool supports_dcpop()                { return _dcpop; }
+   static int get_initial_sve_vector_length()  { return _initial_sve_vector_length; };
    static ByteSize dczid_el0_offset() { return byte_offset_of(PsrInfo, dczid_el0); }
    static ByteSize ctr_el0_offset()   { return byte_offset_of(PsrInfo, ctr_el0); }
    static bool is_zva_enabled() {
      // Check the DZP bit (bit 4) of dczid_el0 is zero
      // and block size (bit 0~3) is not zero.