Core.big1: def of bend-collections@1.0.0.0
Import: import bend-collections@1.0.0.0/src/crypto/sha512/core.bend as Core
Lines 33-38 of bend-collections@1.0.0.0/src/crypto/sha512/core.bend: https://jend.leeeet.dev/read.txt?path=bend-collections@1.0.0.0/src/crypto/sha512/core.bend&start_line=33&end_line=38

import Base
import bend-collections@1.0.0.0/src/crypto/sha512/types.bend as T

# FIPS 180-4 (4.11): ROTR14 ^ ROTR18 ^ ROTR41
def big1(x: T.Lane) -> T.Lane:
  match x:
    case T.W{+hi, +lo}:
      T.W{U32.xor(U32.xor(U32.or(U32.shrn(hi, 14n), U32.shln(lo, 18n)), U32.or(U32.shrn(hi, 18n), U32.shln(lo, 14n))), U32.or(U32.shrn(lo, 9n), U32.shln(hi, 23n))),
        U32.xor(U32.xor(U32.or(U32.shrn(lo, 14n), U32.shln(hi, 18n)), U32.or(U32.shrn(lo, 18n), U32.shln(hi, 14n))), U32.or(U32.shrn(hi, 9n), U32.shln(lo, 23n)))}

Uses (5):
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=U32.or
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=U32.shln
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=U32.shrn
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=U32.xor
  https://jend.leeeet.dev/definition.txt?path=bend-collections@1.0.0.0/src/crypto/sha512/types.bend&name=Lane