return true
	}
	return false
}

// MCR is not defined by the obj/arm; instead we define it privately here.
// It is encoded as an MRC with a bit inside the instruction word,
// passed to arch.ARMMRCOffset.
const aMCR = arm.ALAST + 1

// IsARMMRC reports whether the op (as defined by an arm.A* constant) is
// MRC or MCR.
func IsARMMRC(op obj.As) bool {
	switch op {

  go get -u -t ./...
  go mod download
  go mod tidy
  cd ..
fi

# SqlServer for Mac M1
if [[ -z $GITHUB_ACTION && -d tests ]]; then
  cd tests
  if [[ $(uname -a) == *" arm64" ]]; then
    MSSQL_IMAGE=mcr.microsoft.com/azure-sql-edge docker compose up -d --wait
    go install github.com/microsoft/go-sqlcmd/cmd/sqlcmd@latest || true
    for query in \
      "IF DB_ID('gorm') IS NULL CREATE DATABASE gorm" \

      matrix:
        go: ['1.23', '1.24']
        platform: [ubuntu-latest] # can not run test in macOS and windows
    runs-on: ${{ matrix.platform }}

    services:
      mssql:
        image: mcr.microsoft.com/mssql/server:2022-latest
        env:
          TZ: Asia/Shanghai
          ACCEPT_EULA: Y
          MSSQL_SA_PASSWORD: LoremIpsum86
        ports:
          - 9930:1433
        options: >-

# - Visual Studio 2022 Build Tools
# - MSVC 14.39
# - LLVM/Clang 18.1.4
# - MSYS2 + curl, git, patch, vim, unzip, zip
# - Python 3.12.3
# - Bazelisk 1.19.0
# - JDK 21 (Azul Zulu)

FROM mcr.microsoft.com/windows/servercore:ltsc2019

SHELL ["powershell.exe", "-ExecutionPolicy", "Bypass", "-Command", \
       "$ErrorActionPreference='Stop'; $ProgressPreference='SilentlyContinue';$VerbosePreference = 'Continue';"]

		}
	}
	// Annoying aliases.
	instructions["B"] = obj.AJMP
	instructions["BL"] = obj.ACALL
	// MCR differs from MRC by the way fields of the word are encoded.
	// (Details in arm.go). Here we add the instruction so parse will find
	// it, but give it an opcode number known only to us.
	instructions["MCR"] = aMCR

	return &Arch{
		LinkArch:       &arm.Linkarm,
		Instructions:   instructions,

# - Visual Studio 2022 Build Tools
# - MSVC 14.39
# - LLVM/Clang 18.1.4
# - MSYS2 + curl, git, patch, vim, unzip, zip
# - Python 3.9 - 3.13
# - Bazelisk 1.22.1
# - JDK 21 (Azul Zulu)

FROM mcr.microsoft.com/windows/servercore:ltsc2022

SHELL ["powershell.exe", "-ExecutionPolicy", "Bypass", "-Command", \
       "$ErrorActionPreference='Stop'; $ProgressPreference='SilentlyContinue';$VerbosePreference = 'Continue';"]

			prog.To = a[4]
			break
		}
		p.errorf("can't handle %s instruction with 5 operands", op)
		return
	case 6:
		if p.arch.Family == sys.ARM && arch.IsARMMRC(op) {
			// Strange special case: MCR, MRC.
			prog.To.Type = obj.TYPE_CONST
			x0 := p.getConstant(prog, op, &a[0])
			x1 := p.getConstant(prog, op, &a[1])
			x2 := int64(p.getRegister(prog, op, &a[2]))
			x3 := int64(p.getRegister(prog, op, &a[3]))