VZEXTVF8	V2, V3				// d721214a
	VZEXTVF8	V2, V0, V3			// d7212148
	VSEXTVF8	V2, V3				// d7a1214a
	VSEXTVF8	V2, V0, V3			// d7a12148

	// 31.11.4: Vector Integer Add-with-Carry / Subtract-with-Borrow Instructions
	VADCVVM		V1, V2, V0, V3			// d7812040
	VADCVXM		X11, V2, V0, V3			// d7c12540
	VADCVIM		$15, V2, V0, V3			// d7b12740
	VMADCVVM	V1, V2, V0, V3			// d7812044
	VMADCVVM	V1, V2, V0, V0			// 57802044

72), make([]byte, 72) for i := range a { bufA[i], bufB[i] = a[len(a)-i-1], b[len(b)-i-1] } // Perform a subtraction with borrow. var borrow uint64 for i := 0; i < len(bufA); i += 8 { limbA, limbB := byteorder.LEUint64(bufA[i:]), byteorder.LEUint64(bufB[i:]) _, borrow = bits.Sub64(limbA, limbB, borrow) } // If there is a borrow at the end of the operation, then a < b. return borrow == 1 } golang.org/fips140@v1.26.0/fips140/v1.26.0/ecdh/order_test.go // Copyright 2024 The Go Authors. All rights reserved....