Java Virtual Machine (Java Series)

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laload

retrieve long integer from array

Jasmin Syntax

laload Stack

Before

After
index value-word1
arrayrefref value-word2
... ...
Description

Retrieves a long integer from a long integer array and places it on the stack. arrayref is a reference to an array of long integers. index is an int. The arrayref and index are removed from the stack, and the long integer entry at the given index in the array is pushed onto the stack.

Example

; This is like the Java code: ; long x = arr[0]; ; where x is local variable 2 and arr is an array of longs in local variable 1 aload_1 ; load local variable 1 onto the stack iconst_0 ; push the integer 0 onto the stack laload ; retrieve the entry lstore_2 ; store the entry in local variables 2 and 3 Exceptions

NullPointerException - arrayref is null

ArrayIndexOutOfBoundsException - index is < 0 or >= arrayref.length

Bytecode

Type

Description
u1 laload opcode = 0x2F (47)
See Also

iaload, faload, daload, aaload, baload, caload, saload, iastore, lastore, fastore, dastore, aastore, bastore, castore, sastore

Notes

Array indices start at 0 (the first entry in the array is at index 0).


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Java Virtual Machine, by Jon Meyer and Troy Downing, O'Reilly Associates

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