Consider the expression (a-1)*(((btc)3) d). Let X be the minimum number of registers required by an optimal code generation (without any register spill) algorithm for a load/store architecture, in which (i) only load and store instructions can have memory operands and (ii) arithmetic instructions can have only register or immediate operands. The value of X is

Database System Concepts
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Consider the expression (a-1)*(btc)3) d).
Let X be the minimum number of registers
required by an optimal code generation
(without any register spill) algorithm for a
load store architecture, in which (i) only load
and store instructions can have memory
operands and (ii) arithmetic instructions can
have only register or immediate operands.
The value of X is
Transcribed Image Text:Consider the expression (a-1)*(btc)3) d). Let X be the minimum number of registers required by an optimal code generation (without any register spill) algorithm for a load store architecture, in which (i) only load and store instructions can have memory operands and (ii) arithmetic instructions can have only register or immediate operands. The value of X is
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