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Answers and rating deltas for

Do modern compilers optimize the x * 2 operation to x << 1?

Author Votes Δ
Rob Walker 26 +0.88
paercebal 20 +2.59
C. Dragon 76 12 +2.79
David Arno 10 +2.04
Walter Bright 4 +0.57
Adam Rosenfield 4 +0.17
plinth 4 +0.51
Ferruccio 1 -0.36
dwj 0 -1.96
MBCook 0 -2.12
Andy Lester -1 -0.73
T.E.D. -9 -3.65
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