162 lines
7.3 KiB
Plaintext
162 lines
7.3 KiB
Plaintext
(module
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(memory $0 1)
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(export "memory" (memory $0))
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;; (func $i32.log (import "debug" "log") (param i32))
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;; (func $i32.log_tee (import "debug" "log_tee") (param i32) (result i32))
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;; ;; No i64 interop with JS yet - but maybe coming with WebAssembly BigInt
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;; ;; So we can instead fake this by splitting the i64 into two i32 limbs,
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;; ;; however these are WASM functions using i32x2.log:
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;; (func $i32x2.log (import "debug" "log") (param i32) (param i32))
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;; (func $f32.log (import "debug" "log") (param f32))
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;; (func $f32.log_tee (import "debug" "log_tee") (param f32) (result f32))
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;; (func $f64.log (import "debug" "log") (param f64))
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;; (func $f64.log_tee (import "debug" "log_tee") (param f64) (result f64))
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;; ;; i64 logging by splitting into two i32 limbs
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;; (func $i64.log
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;; (param $0 i64)
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;; (call $i32x2.log
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;; ;; Upper limb
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;; (i32.wrap/i64
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;; (i64.shr_s (get_local $0)
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;; (i64.const 32)))
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;; ;; Lower limb
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;; (i32.wrap/i64 (get_local $0))))
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;; (func $i64.log_tee
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;; (param $0 i64)
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;; (result i64)
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;; (call $i64.log (get_local $0))
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;; (return (get_local $0)))
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(func $fe_mul32
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(param $f0 i64)
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(param $f1 i64)
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(param $f2 i64)
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(param $f3 i64)
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(param $f4 i64)
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(param $f5 i64)
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(param $f6 i64)
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(param $f7 i64)
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(param $f8 i64)
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(param $f9 i64)
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(param $n i32)
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(param $h i32)
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(local $sn i64)
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(local $h0 i64)
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(local $h1 i64)
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(local $h2 i64)
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(local $h3 i64)
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(local $h4 i64)
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(local $h5 i64)
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(local $h6 i64)
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(local $h7 i64)
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(local $h8 i64)
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(local $h9 i64)
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(local $carry0 i64)
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(local $carry1 i64)
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(local $carry2 i64)
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(local $carry3 i64)
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(local $carry4 i64)
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(local $carry5 i64)
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(local $carry6 i64)
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(local $carry7 i64)
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(local $carry8 i64)
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(local $carry9 i64)
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(set_local $sn (i64.extend_s/i32 (get_local $n)))
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(set_local $f0 (i64.extend_s/i32 (i32.wrap/i64 (get_local $f0))))
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(set_local $f1 (i64.extend_s/i32 (i32.wrap/i64 (get_local $f1))))
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(set_local $f2 (i64.extend_s/i32 (i32.wrap/i64 (get_local $f2))))
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(set_local $f3 (i64.extend_s/i32 (i32.wrap/i64 (get_local $f3))))
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(set_local $f4 (i64.extend_s/i32 (i32.wrap/i64 (get_local $f4))))
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(set_local $f5 (i64.extend_s/i32 (i32.wrap/i64 (get_local $f5))))
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(set_local $f6 (i64.extend_s/i32 (i32.wrap/i64 (get_local $f6))))
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(set_local $f7 (i64.extend_s/i32 (i32.wrap/i64 (get_local $f7))))
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(set_local $f8 (i64.extend_s/i32 (i32.wrap/i64 (get_local $f8))))
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(set_local $f9 (i64.extend_s/i32 (i32.wrap/i64 (get_local $f9))))
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(set_local $h0 (i64.mul (get_local $f0) (get_local $sn)))
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(set_local $h1 (i64.mul (get_local $f1) (get_local $sn)))
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(set_local $h2 (i64.mul (get_local $f2) (get_local $sn)))
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(set_local $h3 (i64.mul (get_local $f3) (get_local $sn)))
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(set_local $h4 (i64.mul (get_local $f4) (get_local $sn)))
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(set_local $h5 (i64.mul (get_local $f5) (get_local $sn)))
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(set_local $h6 (i64.mul (get_local $f6) (get_local $sn)))
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(set_local $h7 (i64.mul (get_local $f7) (get_local $sn)))
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(set_local $h8 (i64.mul (get_local $f8) (get_local $sn)))
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(set_local $h9 (i64.mul (get_local $f9) (get_local $sn)))
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(set_local $carry9 (i64.shr_s (i64.add (get_local $h9) (i64.shl (i64.const 1) (i64.const 24))) (i64.const 25)))
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(set_local $h0 (i64.add (get_local $h0) (i64.mul (get_local $carry9) (i64.const 19))))
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(set_local $h9 (i64.sub (get_local $h9) (i64.mul (get_local $carry9) (i64.shl (i64.const 1) (i64.const 25)))))
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(set_local $carry1 (i64.shr_s (i64.add (get_local $h1) (i64.shl (i64.const 1) (i64.const 24))) (i64.const 25)))
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(set_local $h2 (i64.add (get_local $h2) (get_local $carry1)))
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(set_local $h1 (i64.sub (get_local $h1) (i64.mul (get_local $carry1) (i64.shl (i64.const 1) (i64.const 25)))))
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(set_local $carry3 (i64.shr_s (i64.add (get_local $h3) (i64.shl (i64.const 1) (i64.const 24))) (i64.const 25)))
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(set_local $h4 (i64.add (get_local $h4) (get_local $carry3)))
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(set_local $h3 (i64.sub (get_local $h3) (i64.mul (get_local $carry3) (i64.shl (i64.const 1) (i64.const 25)))))
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(set_local $carry5 (i64.shr_s (i64.add (get_local $h5) (i64.shl (i64.const 1) (i64.const 24))) (i64.const 25)))
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(set_local $h6 (i64.add (get_local $h6) (get_local $carry5)))
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(set_local $h5 (i64.sub (get_local $h5) (i64.mul (get_local $carry5) (i64.shl (i64.const 1) (i64.const 25)))))
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(set_local $carry7 (i64.shr_s (i64.add (get_local $h7) (i64.shl (i64.const 1) (i64.const 24))) (i64.const 25)))
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(set_local $h8 (i64.add (get_local $h8) (get_local $carry7)))
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(set_local $h7 (i64.sub (get_local $h7) (i64.mul (get_local $carry7) (i64.shl (i64.const 1) (i64.const 25)))))
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(set_local $carry0 (i64.shr_s (i64.add (get_local $h0) (i64.shl (i64.const 1) (i64.const 25))) (i64.const 26)))
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(set_local $h1 (i64.add (get_local $h1) (get_local $carry0)))
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(set_local $h0 (i64.sub (get_local $h0) (i64.mul (get_local $carry0) (i64.shl (i64.const 1) (i64.const 26)))))
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(set_local $carry2 (i64.shr_s (i64.add (get_local $h2) (i64.shl (i64.const 1) (i64.const 25))) (i64.const 26)))
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(set_local $h3 (i64.add (get_local $h3) (get_local $carry2)))
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(set_local $h2 (i64.sub (get_local $h2) (i64.mul (get_local $carry2) (i64.shl (i64.const 1) (i64.const 26)))))
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(set_local $carry4 (i64.shr_s (i64.add (get_local $h4) (i64.shl (i64.const 1) (i64.const 25))) (i64.const 26)))
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(set_local $h5 (i64.add (get_local $h5) (get_local $carry4)))
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(set_local $h4 (i64.sub (get_local $h4) (i64.mul (get_local $carry4) (i64.shl (i64.const 1) (i64.const 26)))))
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(set_local $carry6 (i64.shr_s (i64.add (get_local $h6) (i64.shl (i64.const 1) (i64.const 25))) (i64.const 26)))
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(set_local $h7 (i64.add (get_local $h7) (get_local $carry6)))
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(set_local $h6 (i64.sub (get_local $h6) (i64.mul (get_local $carry6) (i64.shl (i64.const 1) (i64.const 26)))))
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(set_local $carry8 (i64.shr_s (i64.add (get_local $h8) (i64.shl (i64.const 1) (i64.const 25))) (i64.const 26)))
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(set_local $h9 (i64.add (get_local $h9) (get_local $carry8)))
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(set_local $h8 (i64.sub (get_local $h8) (i64.mul (get_local $carry8) (i64.shl (i64.const 1) (i64.const 26)))))
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(i64.store32 offset=0 (get_local $h) (get_local $h0))
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(i64.store32 offset=4 (get_local $h) (get_local $h1))
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(i64.store32 offset=8 (get_local $h) (get_local $h2))
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(i64.store32 offset=12 (get_local $h) (get_local $h3))
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(i64.store32 offset=16 (get_local $h) (get_local $h4))
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(i64.store32 offset=20 (get_local $h) (get_local $h5))
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(i64.store32 offset=24 (get_local $h) (get_local $h6))
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(i64.store32 offset=28 (get_local $h) (get_local $h7))
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(i64.store32 offset=32 (get_local $h) (get_local $h8))
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(i64.store32 offset=36 (get_local $h) (get_local $h9)))
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(func $fe25519_mul32 (export "fe25519_mul32") (param $h i32) (param $f i32) (param $n i32)
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(i64.load32_u offset=0 (get_local $f))
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(i64.load32_u offset=4 (get_local $f))
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(i64.load32_u offset=8 (get_local $f))
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(i64.load32_u offset=12 (get_local $f))
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(i64.load32_u offset=16 (get_local $f))
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(i64.load32_u offset=20 (get_local $f))
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(i64.load32_u offset=24 (get_local $f))
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(i64.load32_u offset=28 (get_local $f))
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(i64.load32_u offset=32 (get_local $f))
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(i64.load32_u offset=36 (get_local $f))
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(get_local $n)
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(get_local $h)
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(call $fe_mul32)))
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