nor 123 1 not2 3 xor xor 1 2 3 1 2 3 xor immediate xori 1 2 255 1 2 255 shift

Nor 123 1 not2 3 xor xor 1 2 3 1 2 3 xor immediate

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nor $1,$2,$3 $1 = not($2 | $3) xor xor $1, $2, $3 $1 = $2 $3 xor immediate xori $1, $2, 255 $1 = $2 255 shift shift left logical sll $1,$2,5 $1 = $2 << 5 (logical) shift left logical variable sllv $1,$2,$3 $1 = $2 << $3 (logical), variable shift amt shift right logical srl $1,$2,5 $1 = $2 >> 5 (logical) shift right logical variable srlv $1,$2,$3 $1 = $2 >> $3 (logical), variable shift amt shift right arithmetic sra $1,$2,5 $1 = $2 >> 5 (arithmetic) shift right arithmetic variable srav $1,$2,$3 $1 = $2 >> $3 (arithmetic), variable shift amt memory load word lw $1, 1000($2) $1 = memory [$2+1000] store word sw $1, 1000($2) memory [$2+1000] = $1 load byte lb $1, 1002($2) $1 = memory[$2+1002] in least sig. byte load byte unsigned lbu $1, 1002($2) $1 = memory[$2+1002] in least sig. byte store byte sb $1, 1002($2) memory[$2+1002] = $1 (byte modified only) branch branch if equal beq $1,$2,100 if ($1 = $2), PC = PC + 4 + (100*4) branch if not equal bne $1,$2,100 if ($1 $2), PC = PC + 4 + (100*4) jump jump j 10000 PC = 10000*4 jump register jr $31 PC = $31 jump and link jal 10000 $31 = PC + 4; PC = 10000*4
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  • Fall '08
  • Staff
  • MIPS architecture, Arithmetic shift, Logical shift, pages Problem, additional registers

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