Example (Contd.)

r1 = a + b

r1 = a + b

ld r2 (r1)

r3 = r2*3

r5 = r3 + a

r6 = r4 + 4

r7 = r5+r6

ld r4 (r3)

ld r2 (r1)

ld r4 (r3)

r5 = r3 + a

r7 = r5+r6

ldpred r2

ldpred r4

r3 = r2*3

r6 = r4 + 4

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No speculation

Upon correct speculation

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