// Define GOMIPS64_value from cfg.GOMIPS64.
		args = append(args, "-D", "GOMIPS64_"+cfg.GOMIPS64)
	}

	if cfg.Goarch == "ppc64" || cfg.Goarch == "ppc64le" {
		// Define GOPPC64_power8..N from cfg.PPC64.
		// We treat each powerpc version as a superset of functionality.
		switch cfg.GOPPC64 {
		case "power10":
			args = append(args, "-D", "GOPPC64_power10")
			fallthrough
		case "power9":

			fallthrough
		case "power9":
			asmArgs = append(asmArgs, "-D", "GOPPC64_power9")
			fallthrough
		default: // This should always be power8.
			asmArgs = append(asmArgs, "-D", "GOPPC64_power8")
		}
	}
	if goarch == "riscv64" {
		// Define GORISCV64_value from goriscv64
		asmArgs = append(asmArgs, "-D", "GORISCV64_"+goriscv64)
	}
	if goarch == "arm" {