"cmd/compile/internal/ssagen"
	"cmd/internal/obj/loong64"
)

func Init(arch *ssagen.ArchInfo) {
	arch.LinkArch = &loong64.Linkloong64
	arch.REGSP = loong64.REGSP
	arch.MAXWIDTH = 1 << 50
	arch.ZeroRange = zerorange
	arch.Ginsnop = ginsnop

	arch.SSAMarkMoves = func(s *ssagen.State, b *ssa.Block) {}
	arch.SSAGenValue = ssaGenValue
	arch.SSAGenBlock = ssaGenBlock
	arch.LoadRegResult = loadRegResult

	"cmd/internal/obj/arm64"
)

func Init(arch *ssagen.ArchInfo) {
	arch.LinkArch = &arm64.Linkarm64
	arch.REGSP = arm64.REGSP
	arch.MAXWIDTH = 1 << 50

	arch.PadFrame = padframe
	arch.ZeroRange = zerorange
	arch.Ginsnop = ginsnop

	arch.SSAMarkMoves = func(s *ssagen.State, b *ssa.Block) {}
	arch.SSAGenValue = ssaGenValue
	arch.SSAGenBlock = ssaGenBlock
	arch.LoadRegResult = loadRegResult

	if buildcfg.GOARCH == "mips64le" {
		arch.LinkArch = &mips.Linkmips64le
	}
	arch.REGSP = mips.REGSP
	arch.MAXWIDTH = 1 << 50
	arch.SoftFloat = buildcfg.GOMIPS64 == "softfloat"
	arch.ZeroRange = zerorange
	arch.Ginsnop = ginsnop

	arch.SSAMarkMoves = func(s *ssagen.State, b *ssa.Block) {}
	arch.SSAGenValue = ssaGenValue
	arch.SSAGenBlock = ssaGenBlock

		base.Exit(1)
	default:
		fmt.Fprintf(os.Stderr, "unsupported setting GO386=%s\n", v)
		base.Exit(1)

	}

	arch.ZeroRange = zerorange
	arch.Ginsnop = ginsnop

	arch.SSAMarkMoves = ssaMarkMoves

// need to be zeroed. Hence, we are testing compilation completes successfully when
// zerorange calls of various sizes (8-136 bytes) are generated. We are not
// testing runtime correctness (which is hard to do for the current uses of
// ZeroRange).

func TestZeroRange(t *testing.T) {
	testZeroRange8(t)
	testZeroRange16(t)
	testZeroRange32(t)
	testZeroRange64(t)

import (
	"cmd/compile/internal/ssagen"
	"cmd/internal/obj/s390x"
)

func Init(arch *ssagen.ArchInfo) {
	arch.LinkArch = &s390x.Links390x
	arch.REGSP = s390x.REGSP
	arch.MAXWIDTH = 1 << 50

	arch.ZeroRange = zerorange
	arch.Ginsnop = ginsnop

	arch.SSAMarkMoves = ssaMarkMoves
	arch.SSAGenValue = ssaGenValue
	arch.SSAGenBlock = ssaGenBlock

type ArchInfo struct {
	LinkArch *obj.LinkArch

	REGSP     int
	MAXWIDTH  int64
	SoftFloat bool

	PadFrame func(int64) int64

	// ZeroRange zeroes a range of memory on stack. It is only inserted
	// at function entry, and it is ok to clobber registers.
	ZeroRange func(*objw.Progs, *obj.Prog, int64, int64, *uint32) *obj.Prog

	Ginsnop func(*objw.Progs) *obj.Prog

// to have a loop of clear instructions (e.g. XCs) rather than just generating
// multiple instructions (i.e. loop unrolling).
// Must be between 256 and 4096.
const clearLoopCutoff = 1024

// zerorange clears the stack in the given range.
func zerorange(pp *objw.Progs, p *obj.Prog, off, cnt int64, _ *uint32) *obj.Prog {
	if cnt == 0 {
		return p
	}

	// Adjust the frame to account for LR.
	off += base.Ctxt.Arch.FixedFrameSize

package x86

import (
	"cmd/compile/internal/ir"
	"cmd/compile/internal/objw"
	"cmd/compile/internal/types"
	"cmd/internal/obj"
	"cmd/internal/obj/x86"
)

func zerorange(pp *objw.Progs, p *obj.Prog, off, cnt int64, ax *uint32) *obj.Prog {
	if cnt == 0 {
		return p
	}
	if *ax == 0 {
		p = pp.Append(p, x86.AMOVL, obj.TYPE_CONST, 0, 0, obj.TYPE_REG, x86.REG_AX, 0)
		*ax = 1
	}

package riscv64

import (
	"cmd/compile/internal/base"
	"cmd/compile/internal/ir"
	"cmd/compile/internal/objw"
	"cmd/compile/internal/types"
	"cmd/internal/obj"
	"cmd/internal/obj/riscv"
)

func zeroRange(pp *objw.Progs, p *obj.Prog, off, cnt int64, _ *uint32) *obj.Prog {
	if cnt == 0 {
		return p
	}

	// Adjust the frame to account for LR.
	off += base.Ctxt.Arch.FixedFrameSize

	if cnt < int64(4*types.PtrSize) {