}
		if stackmap.nbit == 0 {
			args.n = 0
		} else {
			args = stackmapdata(stackmap, pcdata)
		}
	}

	// stack objects.
	if (GOARCH == "amd64" || GOARCH == "arm64" || GOARCH == "loong64" || GOARCH == "ppc64" || GOARCH == "ppc64le" || GOARCH == "riscv64") &&
		unsafe.Sizeof(abi.RegArgs{}) > 0 && isReflect {
		// For reflect.makeFuncStub and reflect.methodValueCall,
		// we need to fake the stack object record.

	if oprange[AOR&obj.AMask] == nil {
		c.ctxt.Diag("loong64 ops not initialized, call loong64.buildop first")
	}

	pc := int64(0)
	p.Pc = pc

	var m int
	var o *Optab
	for p = p.Link; p != nil; p = p.Link {
		p.Pc = pc
		o = c.oplook(p)
		m = int(o.size)
		if m == 0 {
			switch p.As {
			case obj.APCALIGN:

	asmArchS390X    = asmArch{name: "s390x", bigEndian: true, stack: "R15", lr: true}
	asmArchWasm     = asmArch{name: "wasm", bigEndian: false, stack: "SP", lr: false}
	asmArchLoong64  = asmArch{name: "loong64", bigEndian: false, stack: "R3", lr: true}

	arches = []*asmArch{
		&asmArch386,
		&asmArchArm,
		&asmArchArm64,
		&asmArchAmd64,
		&asmArchMips,
		&asmArchMipsLE,
		&asmArchMips64,

		},
		sys.AMD64, sys.ARM64, sys.Loong64, sys.MIPS, sys.MIPS64, sys.PPC64, sys.RISCV64, sys.S390X)

	addF("internal/runtime/atomic", "Store",
		func(s *state, n *ir.CallExpr, args []*ssa.Value) *ssa.Value {
			s.vars[memVar] = s.newValue3(ssa.OpAtomicStore32, types.TypeMem, args[0], args[1], s.mem())
			return nil
		},
		sys.AMD64, sys.ARM64, sys.Loong64, sys.MIPS, sys.MIPS64, sys.PPC64, sys.RISCV64, sys.S390X)

		enable interoperation with memory sanitizer.
		Supported only on linux/amd64, linux/arm64, linux/loong64, freebsd/amd64
		and only with Clang/LLVM as the host C compiler.
		PIE build mode will be used on all platforms except linux/amd64.
	-asan
		enable interoperation with address sanitizer.
		Supported only on linux/arm64, linux/amd64, linux/loong64.
		Supported on linux/amd64 or linux/arm64 and only with GCC 7 and higher
		or Clang/LLVM 9 and higher.

		} else {
			ehdr.Flags = 2 /* Version 2 ABI */
		}
		fallthrough
	case sys.AMD64, sys.ARM64, sys.Loong64, sys.MIPS64, sys.RISCV64:
		if ctxt.Arch.Family == sys.MIPS64 {
			ehdr.Flags = 0x20000004 /* MIPS 3 CPIC */
		}
		if ctxt.Arch.Family == sys.Loong64 {
			ehdr.Flags = 0x43 /* DOUBLE_FLOAT, OBJABI_V1 */
		}
		if ctxt.Arch.Family == sys.RISCV64 {

		c.gpRegMask = gpRegMaskMIPS64
		c.fpRegMask = fpRegMaskMIPS64
		c.specialRegMask = specialRegMaskMIPS64
		c.FPReg = framepointerRegMIPS64
		c.LinkReg = linkRegMIPS64
		c.hasGReg = true
	case "loong64":
		c.PtrSize = 8
		c.RegSize = 8
		c.lowerBlock = rewriteBlockLOONG64
		c.lowerValue = rewriteValueLOONG64
		c.registers = registersLOONG64[:]
		c.gpRegMask = gpRegMaskLOONG64
		c.fpRegMask = fpRegMaskLOONG64

DATA	·alignPcFnAddr(SB)/8,$·alignPc(SB)
`,
	"loong64": `
#include "textflag.h"

TEXT	·alignPc(SB),NOSPLIT, $0-0
	MOVV	$2, R4
	PCALIGN	$512
	MOVV	$3, R5
	RET

GLOBL	·alignPcFnAddr(SB),RODATA,$8
DATA	·alignPcFnAddr(SB)/8,$·alignPc(SB)
`,
}

// TestFuncAlign verifies that the address of a function can be aligned
// with a specific value on arm64 and loong64.
func TestFuncAlign(t *testing.T) {

	// should never return
	JAL	runtime·abort(SB)
	UNDEF

/*
 * support for morestack
 */

// Called during function prolog when more stack is needed.
// Caller has already loaded:
// loong64: R31: LR
//
// The traceback routines see morestack on a g0 as being
// the top of a stack (for example, morestack calling newstack
// calling the scheduler calling newm calling gc), so we must

	rebuildall bool
	noOpt      bool
	isRelease  bool

	vflag int // verbosity
)

// The known architectures.
var okgoarch = []string{
	"386",
	"amd64",
	"arm",
	"arm64",
	"loong64",
	"mips",
	"mipsle",
	"mips64",
	"mips64le",
	"ppc64",
	"ppc64le",
	"riscv64",
	"s390x",
	"sparc64",
	"wasm",
}

// The known operating systems.
var okgoos = []string{
	"darwin",