HW3_sol - 3.7 if ($t3 >= 0) addu $t2, $zero, $t3...

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Unformatted text preview: 3.7 if ($t3 >= 0) addu $t2, $zero, $t3 ;$t2 = $t3 $t2 = $t3 bgez $t3, exit ; if ($t3 >= 0) else sub $t2, $zero, $t3 $t2 = 0 - $t3 exit: 3.9 load memory address. address length . 32 bits => . 2 . address (constant) P load upper. lower . index. load P problem: lower P P lower upper . +1. lw . index . 3.23 Current bit Previous bit Operation Reason a i+1 a i a i-1 continuous 0 1 +1 end of continuous 1 1 +1 single 1 1 1 +2 end of continuous 1 1-2 begin of continuous 1 1 1-1 end and then begin of 1 1 1-1 begin of continuous 1 1 1 1 continuous 1 3.26 x = 0 1000_0000 110_0000_0000_0000_0010_0001 (exponent: 1000_0000 0111_1111 = 1) y = 0 1000_0001 010_0000_0000_0000_0000_0000 (exponent : 1000_0001 0111_1111 = 2) z = 0 0111_1001 110_0000_0000_1010_1100_0000 (exponent : 0111_1001 0111_1111 = -6) x * y = 1.11000000000000000100001 *) 1.01000000000000000000000----------------------------------------------------------- + 111000000000000000100001 + 111000000000000000100001-----------------------------------------------------------...
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HW3_sol - 3.7 if ($t3 >= 0) addu $t2, $zero, $t3...

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