2. Vectorizing Compiler (30 marks) Consider this familiar loop: loop: 1.d 4,0 (r1) 11 1.d f6,0(r2) 12 mul.d f6,f6, f2 m2 add.d f4,f4, f6 a1 s.d f4,0 (1) s1 dadduir1,r1,#-8 subi dadduir2, r2,#-8 sub2 bnez rl,loop Rewrite the code using vector instructions. Draw the flow-dependence graph of vector instructions. Using vector chaining, make a rough estimate of the running time of the program, using the data in question 1. 2. Vectorizing Compiler (30 marks) Consider this familiar loop: loop: 1.d 4,0 (r1) 11 1.d f6,0(r2) 12 mul.d f6,f6, f2 m2 add.d f4,f4, f6 a1 s.d f4,0 (1) s1 dadduir1,r1,#-8 subi dadduir2, r2,#-8 sub2 bnez rl,loop Rewrite the code using vector instructions. Draw the flow-dependence graph of vector instructions. Using vector chaining, make a rough estimate of the running time of the program, using the data in question 1