Imul instruction assembly

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The three forms of the IMUL instruction are similar in that the length of the product is calculated to twice the length of the operands. 7. IMUL Examples · The following fragment computes 8-bit signed multiplication (48 × 4): · The following instructions perform 8-bit signed multiplication of (-4 × Performs a signed multiplication of two operands. This instruction has three forms, depending on the number of operands. When an immediate value is used as an This test demonstrates the use of IMUL (signed multiplication). The IMUL instruction takes one, two or three operands. It can be used for byte,1 Answer 1 When the one-operand form of imul is passed a 32 bit argument, it effectively means EAX * src where both EAX and the source operand The IMUL (signed multiply) instruction performs signed integer multiplication. It has the same syntax and uses the same operands as the MUL instruction.