default: // This should always be power8.
			args = append(args, "-D", "GOPPC64_power8")
		}
	}

	if cfg.Goarch == "riscv64" {
		// Define GORISCV64_value from cfg.GORISCV64.
		args = append(args, "-D", "GORISCV64_"+cfg.GORISCV64)
	}

	if cfg.Goarch == "arm" {
		// Define GOARM_value from cfg.GOARM, which can be either a version
		// like "6", or a version and a FP mode, like "7,hardfloat".
		switch {

		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" {
		// Define GOARM_value from goarm, which can be either a version
		// like "6", or a version and a FP mode, like "7,hardfloat".
		switch {
		case strings.Contains(goarm, "7"):