// Update PC ranges.
		//
		// We don't simply compare the end of the previous
		// symbol with the start of the next because there's
		// often a little padding between them. Instead, we
		// only create boundaries between symbols from
		// different units.
		sval := d.ldr.SymValue(sym)
		u0val := d.ldr.SymValue(loader.Sym(unit.Textp[0]))
		if prevUnit != unit {

		talign := t.Align
		if f.BitOffset > 0 || f.BitSize > 0 {
			// The layout of bitfields is implementation defined,
			// so we don't know how they correspond to Go fields
			// even if they are aligned at byte boundaries.
			continue
		}

		if talign > 0 && f.ByteOffset%talign != 0 {
			// Drop misaligned fields, the same way we drop integer bit fields.
			// The goal is to make available what can be made available.

// Convert ANDload to MOVload when we can do the AND in a containing TEST op.
// Only do when it's within the same block, so we don't have flags live across basic block boundaries.
// See issue 44228.
(TEST(Q|L) a:(AND(Q|L)load [off] {sym} x ptr mem) a) && a.Uses == 2 && a.Block == v.Block && clobber(a) => (TEST(Q|L) (MOV(Q|L)load <a.Type> [off] {sym} ptr mem) x)