for _, test := range cat.tests {
			parser.allowABI = cat.allowABI
			parser.errorCount = 0
			parser.lineNum++
			if !parser.pseudo(test.pseudo, tokenize(test.operands)) {
				t.Fatalf("Wrong pseudo-instruction: %s", test.pseudo)
			}
			errorLine := buf.String()
			if test.expected != errorLine {
				t.Errorf("Unexpected error %q; expected %q", errorLine, test.expected)
			}
			buf.Reset()
		}
	}

)

// abiSeq represents a sequence of ABI instructions for copying
// from a series of reflect.Values to a call frame (for call arguments)
// or vice-versa (for call results).
//
// An abiSeq should be populated by calling its addArg method.
type abiSeq struct {
	// steps is the set of instructions.
	//
	// The instructions are grouped together by whole arguments,

	// CX:BX = DX:AX (*addr) + DI:SI (delta)
	MOVL	AX, BX
	MOVL	DX, CX
	ADDL	SI, BX
	ADCL	DI, CX

	// if *addr == DX:AX {
	//	*addr = CX:BX
	// } else {
	//	DX:AX = *addr
	// }
	// all in one instruction
	LOCK
	CMPXCHG8B	0(BP)

	JNZ	addloop

	// success
	// return CX:BX
	MOVL	BX, ret_lo+12(FP)
	MOVL	CX, ret_hi+16(FP)
	RET

TEXT ·Xchg(SB), NOSPLIT, $0-12
	MOVL	ptr+0(FP), BX

			break
		}

		// 32b constants (signed and unsigned) can be generated via 1 or 2 instructions. They can be assembled directly.
		isS32 := int64(int32(p.From.Offset)) == p.From.Offset
		isU32 := uint64(uint32(p.From.Offset)) == uint64(p.From.Offset)
		// If prefixed instructions are supported, a 34b signed constant can be generated by one pli instruction.
		isS34 := pfxEnabled && (p.From.Offset<<30)>>30 == p.From.Offset

	arch := sys.Arch386

	theArch := ld.Arch{
		Funcalign:  funcAlign,
		Maxalign:   maxAlign,
		Minalign:   minAlign,
		Dwarfregsp: dwarfRegSP,
		Dwarfreglr: dwarfRegLR,
		// 0xCC is INT $3 - breakpoint instruction
		CodePad: []byte{0xCC},

		Plan9Magic: uint32(4*11*11 + 7),

		Adddynrel:        adddynrel,
		Archinit:         archinit,
		Archreloc:        archreloc,
		Archrelocvariant: archrelocvariant,

// isRestartable returns whether p is a multi-instruction sequence that,
// if preempted, can be restarted.
func (c *ctxt0) isRestartable(p *obj.Prog) bool {
	if c.isUnsafePoint(p) {
		return false
	}
	// If p is a multi-instruction sequence with uses REGTMP inserted by
	// the assembler in order to materialize a large constant/offset, we
	// can restart p (at the start of the instruction sequence), recompute

// isRestartable returns whether p is a multi-instruction sequence that,
// if preempted, can be restarted.
func (c *ctxt7) isRestartable(p *obj.Prog) bool {
	if c.isUnsafePoint(p) {
		return false
	}
	// If p is a multi-instruction sequence with uses REGTMP inserted by
	// the assembler in order to materialize a large constant/offset, we
	// can restart p (at the start of the instruction sequence), recompute

// isRestartable returns whether p is a multi-instruction sequence that,
// if preempted, can be restarted.
func (c *ctxt0) isRestartable(p *obj.Prog) bool {
	if c.isUnsafePoint(p) {
		return false
	}
	// If p is a multi-instruction sequence with uses REGTMP inserted by
	// the assembler in order to materialize a large constant/offset, we
	// can restart p (at the start of the instruction sequence), recompute

				ci.frames = append(ci.frames, expandCgoFrames(pc)...)
			}
			continue
		}
		f := funcInfo._Func()
		entry := f.Entry()
		if pc > entry {
			// We store the pc of the start of the instruction following
			// the instruction in question (the call or the inline mark).
			// This is done for historical reasons, and to make FuncForPC
			// work correctly for entries in the result of runtime.Callers.
			pc--
		}

}

func x() uint64
`
	if err := os.WriteFile(filepath.Join(dir, "x.go"), []byte(main), 0644); err != nil {
		t.Fatalf("failed to write main: %v\n", err)
	}

	// Generate a very large jump instruction.
	buf := bytes.NewBuffer(make([]byte, 0, 7000000))
	genLargeJump(buf)

	if err := os.WriteFile(filepath.Join(dir, "x.s"), buf.Bytes(), 0644); err != nil {
		t.Fatalf("Failed to write file: %v\n", err)
	}