Assume that your ultra-low-cost processor doesn't have the hardware budget for an integer multiplier implemented in HW, and you don't need 64-bit multiplication results, but you do need 32-bit multiplication results to do some address computations (i.e. you only need a multiplier that returns a 32-bit result, even given two 32-bit inputs) In the SW emulation of multiplication $a0, $a1 below, : mstart: xor $v®, $v®, $v® mloop: andi $t®, $a1, 1 $t0, $Ø, $t® and $t1, $a®, $t® add $v®, $v®, $t1 sll $a1, $a1, 1 srl $a®, $a®, 1 bne $a1, $0, mloop what instruction, when put in the blue box, would correctly implement unsigned multiplication $vO = $a0 * $a1? %3D sub mul add beq O o o
Assume that your ultra-low-cost processor doesn't have the hardware budget for an integer multiplier implemented in HW, and you don't need 64-bit multiplication results, but you do need 32-bit multiplication results to do some address computations (i.e. you only need a multiplier that returns a 32-bit result, even given two 32-bit inputs) In the SW emulation of multiplication $a0, $a1 below, : mstart: xor $v®, $v®, $v® mloop: andi $t®, $a1, 1 $t0, $Ø, $t® and $t1, $a®, $t® add $v®, $v®, $t1 sll $a1, $a1, 1 srl $a®, $a®, 1 bne $a1, $0, mloop what instruction, when put in the blue box, would correctly implement unsigned multiplication $vO = $a0 * $a1? %3D sub mul add beq O o o
Database System Concepts
7th Edition
ISBN:9780078022159
Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Chapter1: Introduction
Section: Chapter Questions
Problem 1PE
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