For the following C statement, what is the corresponding MIPS assembly code? Assume that the C variables a, b, and c, have already been placed in registers $s0, $s1, $s2, respectively. Use a minimal number of MIPS assembly instructions. a = b + (c − 5);

Systems Architecture
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Chapter4: Processor Technology And Architecture
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Problem 15VE: A(n) ________________ instruction always alters the instruction execution sequence. A(n)...
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2. For the following C statement, what is the corresponding MIPS assembly code? Assume that the C variables a, b, and c, have already been placed in registers $s0, $s1, $s2, respectively. Use a minimal number of MIPS assembly instructions.

a = b + (c − 5);

 

 

3. For the following C statement, write the corresponding MIPS assembly code. Assume that the variables f, g, h, i, and j are assigned to registers $s0, $s1, $s2, $s3, and $s4, respectively. Assume that the base address of the arrays A and B are in registers $s6 and $s7, respectively.

B[i-j] = A[8];

4.Translate the following C code to MIPS. Assume that the variables, f,g. h, i, and j are assigned to registers $s0, $s1, $s2, $s3, $s4, and $s4, respectively. Assume that the base address of A and B are in registers $s6 and $s7, respectively. Assume that the elements of the arrays A and B are 8-byte words:

B[8] = A[i] + A[j];

 

5.For the MIPS assembly instructions below, what is the corresponding C statement? Assume that the variables f, g, h, i, and j are assigned to registers $s0, $s1, $s2, $s3, and $s4, respectively. Assume that the base address of the arrays A and B are in registers $s6 and $s7, respectively.  You must add line comments to ALL uncommented 4 lines.

sll  $t0, $s0, 2 # $t0 = f * 4

add  $t0, $s6, $t0     # $t0 = &A[f]

sll  $t1, $s1, 2 # $t1 = g * 4

add  $t1, $s7, $t1    # $t1 = &B[g]

lw   $s0, 0($t0) # f = A[f]

addi $t2, $t0, 8        # f = A[f] + A[f+1]

lw   $t0, 0($t2)         # ADD YOUR COMMENT

add  $t0, $t0, $s0    # ADD YOUR COMMENT

sw   $t0, 0($t1)        # ADD YOUR COMMENT

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