public: void try_allocate( Register obj, // result: Pointer to object after successful allocation. Register var_size_in_bytes, // Object size in bytes if unknown at compile time; invalid otherwise. int con_size_in_bytes, // Object size in bytes if known at compile time. Register t1, // temp register
Label& slow_case // Continuation point if fast allocation fails.
);
// locking // hdr : Used to hold locked markWord to be CASed into obj, contents destroyed. // obj : Must point to the object to lock, contents preserved. // disp_hdr: Must point to the displaced header location, contents preserved. // Returns code offset at which to add null check debug information. void lock_object(Register hdr, Register obj, Register disp_hdr, Label& slow_case);
// unlocking // hdr : Used to hold original markWord to be CASed back into obj, contents destroyed. // obj : Must point to the object to lock, contents preserved. // disp_hdr: Must point to the displaced header location, contents destroyed. void unlock_object(Register hdr, Register obj, Register lock, Label& slow_case);
void initialize_object( Register obj, // result: Pointer to object after successful allocation. Register klass, // object klass Register var_size_in_bytes, // Object size in bytes if unknown at compile time; invalid otherwise. int con_size_in_bytes, // Object size in bytes if known at compile time. Register t1, // temp register Register t2 // temp register
);
// Allocation of fixed-size objects. // This can also be used to allocate fixed-size arrays, by setting // hdr_size correctly and storing the array length afterwards. void allocate_object( Register obj, // result: Pointer to object after successful allocation. Register t1, // temp register Register t2, // temp register int hdr_size, // object header size in words int obj_size, // object size in words Register klass, // object klass
Label& slow_case // Continuation point if fast allocation fails.
);
// Allocation of arrays. void allocate_array( Register obj, // result: Pointer to array after successful allocation. Register len, // array length Register t1, // temp register Register t2, // temp register int hdr_size, // object header size in words int elt_size, // element size in bytes Register klass, // object klass
Label& slow_case // Continuation point if fast allocation fails.
);
// Invalidates registers in this window. void invalidate_registers(Register preserve1 = noreg, Register preserve2 = noreg, Register preserve3 = noreg) PRODUCT_RETURN;
// This platform only uses signal-based null checks. The Label is not needed. void null_check(Register r, Label *Lnull = NULL) { MacroAssembler::null_check(r); }
#endif// CPU_S390_C1_MACROASSEMBLER_S390_HPP
Messung V0.5 in Prozent
¤ Dauer der Verarbeitung: 0.9 Sekunden
(vorverarbeitet am 2026-06-10)
¤
Die Informationen auf dieser Webseite wurden
nach bestem Wissen sorgfältig zusammengestellt. Es wird jedoch weder Vollständigkeit, noch Richtigkeit,
noch Qualität der bereit gestellten Informationen zugesichert.
Bemerkung:
Die farbliche Syntaxdarstellung und die Messung sind noch experimentell.