PT_TLS     ProgType = 7 /* Thread local storage segment */

	PT_LOOS ProgType = 0x60000000 /* First OS-specific. */

	PT_GNU_EH_FRAME ProgType = 0x6474e550 /* Frame unwind information */
	PT_GNU_STACK    ProgType = 0x6474e551 /* Stack flags */
	PT_GNU_RELRO    ProgType = 0x6474e552 /* Read only after relocs */
	PT_GNU_PROPERTY ProgType = 0x6474e553 /* GNU property */

					// This makes it possible to see call sites for duffcopy/duffzero in
					// BP-based profiling tools like Linux perf (which is the
					// whole point of maintaining frame pointers in Go).
					// MOVQ BP, -16(SP)
					// LEAQ -16(SP), BP
					ab.Put(bpduff1)
				}
				ab.Put1(byte(op))
				r = obj.Addrel(cursym)
				r.Off = int32(p.Pc + int64(ab.Len()))

		case obj.NAME_AUTO:
			if a.Reg == REGSP {
				// unset base register for better printing, since
				// a.Offset is still relative to pseudo-SP.
				a.Reg = obj.REG_NONE
			}
			// The frame top 8 or 16 bytes are for FP
			c.instoffset = int64(c.autosize) + a.Offset - int64(c.extrasize)
			return autoclass(c.instoffset)

		case obj.NAME_PARAM:
			if a.Reg == REGSP {

      %switchn:3 = "tf_executor._SwitchN"(%island#0, %arg3) {num_outs = 2} : (tensor<?x?x?xf32>, tensor<i32>) -> (tensor<?x?x?xf32>, tensor<?x?x?xf32>, !tf_executor.control)
      %enter:2 = "tf_executor.Enter"(%island#0) { frame_name = "frame"} : (tensor<?x?x?xf32>) -> (tensor<?x?x?xf32>, !tf_executor.control)
      %exit:2 = "tf_executor.Exit"(%island#0) : (tensor<?x?x?xf32>) -> (tensor<?x?x?xf32>, !tf_executor.control)

	op_PFD     uint32 = 0xE336 // FORMAT_RXY2       PREFETCH DATA
	op_PFDRL   uint32 = 0xC602 // FORMAT_RIL3       PREFETCH DATA RELATIVE LONG
	op_PFMF    uint32 = 0xB9AF // FORMAT_RRE        PERFORM FRAME MANAGEMENT FUNCTION
	op_PFPO    uint32 = 0x010A // FORMAT_E          PERFORM FLOATING-POINT OPERATION
	op_PGIN    uint32 = 0xB22E // FORMAT_RRE        PAGE IN
	op_PGOUT   uint32 = 0xB22F // FORMAT_RRE        PAGE OUT