// deals with sparseDatas.
//
// However, the external API uses sparseHoles instead of sparseDatas because the
// zero value of sparseHoles logically represents a normal file (i.e., there are
// no holes in it). On the other hand, the zero value of sparseDatas implies
// that the file has no data in it, which is rather odd.
//
// As an example, if the underlying raw file contains the 10-byte data:
//

pkg syscall (linux-386), type Timex struct, Jitcnt int32
pkg syscall (linux-386), type Timex struct, Jitter int32
pkg syscall (linux-386), type Timex struct, Maxerror int32
pkg syscall (linux-386), type Timex struct, Modes uint32
pkg syscall (linux-386), type Timex struct, Offset int32
pkg syscall (linux-386), type Timex struct, Pad_cgo_0 [44]uint8
pkg syscall (linux-386), type Timex struct, Ppsfreq int32

// The bytes read must match the number of remaining bytes in the current file.
//
// If the current file is sparse and r is an io.ReadSeeker,
// then readFrom uses Seek to skip past holes defined in Header.SparseHoles,
// assuming that skipped regions are all NULs.
// This always reads the last byte to ensure r is the right size.
//
// TODO(dsnet): Re-export this when adding sparse file support.

</li>
<li>
	Both type parameters have a known type argument
	and the type arguments unify per the given matching modes.
</li>
</ul>

<p>
A single bound type parameter <code>P</code> and another type <code>T</code> unify
per the given matching modes if:
</p>

<ul>
<li>
	<code>P</code> doesn't have a known type argument.

// The bytes written matches the number of remaining bytes in the current file.
//
// If the current file is sparse and w is an io.WriteSeeker,
// then writeTo uses Seek to skip past holes defined in Header.SparseHoles,
// assuming that skipped regions are filled with NULs.
// This always writes the last byte to ensure w is the right size.
//
// TODO(dsnet): Re-export this when adding sparse file support.

				// The Loong64 RDTIME family of instructions is a bit special,
				// in that both its register operands are outputs
				prog.To = a[0]
				if a[1].Type != obj.TYPE_REG {
					p.errorf("invalid addressing modes for 2nd operand to %s instruction, must be register", op)
					return
				}
				prog.RegTo2 = a[1].Reg
				break
			}
		}
		prog.From = a[0]
		prog.To = a[1]
	case 3:
		switch p.arch.Family {

pkg syscall (linux-arm-cgo), type Timex struct, Jitter int32
pkg syscall (linux-arm-cgo), type Timex struct, Maxerror int32
pkg syscall (linux-arm-cgo), type Timex struct, Modes uint32
pkg syscall (linux-arm-cgo), type Timex struct, Offset int32
pkg syscall (linux-arm-cgo), type Timex struct, Pad_cgo_0 [44]uint8
pkg syscall (linux-arm-cgo), type Timex struct, Ppsfreq int32