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This is a list of the instructions that make up the Java bytecode, an abstract machine language that is ultimately executed by the Java virtual machine. [1] The Java bytecode is generated from languages running on the Java Platform, most notably the Java programming language.
Java bytecode is used at runtime either interpreted by a JVM or compiled to machine code via just-in-time (JIT) compilation and run as a native application. As Java bytecode is designed for a cross-platform compatibility and security, a Java bytecode application tends to run consistently across various hardware and software configurations. [3]
Slob (sorted list of blobs) is a read-only, compressed data store with dictionary-like interface [92] AC ED: ’: 0 Serialized Java Data [93] 43 72 65 61 74 69 76 65 20 56 6F 69 63 65 20 46 69 6C 65 1A 1A 00: Creative Voice File 0 voc Creative Voice file: 2E 73 6E 64.snd: 0 au snd Au audio file format: DB 0A CE 00: 0
Move to memory as Direct Store. MOVDIRI m32,r32 MOVDIRI m64,r64: NP 0F 38 F9 /r NP REX.W 0F 38 F9 /r: Store to memory using Direct Store (memory store that is not cached or write-combined with other stores). 3 Tiger Lake, Tremont, Zen 5: MOVDIR64B Move 64 bytes as Direct Store. MOVDIR64B reg,m512: 66 0F 38 F8 /r
Copy data from a memory location or a register to a memory location or a register (a machine instruction is often called move; however, the term is misleading). They are used to store the contents of a register, the contents of another memory location or the result of a computation, or to retrieve stored data to perform a computation on it later.
In a computer using virtual memory, accessing the location corresponding to a memory address may involve many levels. In computing, a memory address is a reference to a specific memory location in memory used by both software and hardware. [1] These addresses are fixed-length sequences of digits, typically displayed and handled as unsigned ...
The program counter points to a memory address and is changed based on special instructions which may cause programmatic branches. The program counter is typically set to a hard coded value when the CPU is first powered on, and will hence execute whatever machine code happens to be at this address.
The PC-relative addressing mode can be used to load a register with a value stored in program memory a short distance away from the current instruction. It can be seen as a special case of the "base plus offset" addressing mode, one that selects the program counter (PC) as the "base register".