575b4786f9
This PR optimizes lean_nat_shiftr for scalar operands. The new compiler converts Nat divisions into right shifts, so this now shows up as hot in some profiles.
19 lines
403 B
Text
19 lines
403 B
Text
def test (a : Nat) : IO Unit :=
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for b in #[0, 1, 14, 15, 16, 17, 31, 32, 33, 63, 64, 65] do
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IO.println f!"{a >>> b}"
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def main : IO Unit := do
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test 0
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test 1
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test 0xff
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test 0x100
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test 0x101
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test 0xffff
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test 0x1000_0
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test 0x1000_1
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test 0xffff_ffff
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test 0x1_0000_0000
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test 0x1_0000_0001
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test 0xffff_ffff_ffff_ffff
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test 0x1_0000_0000_0000_0000
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test 0x1_0000_0000_0000_0001
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