行业服务提供商和业务合伙人可以定义资源约束，用于初始资源分配，决定未来潜在增长的上限。
Industrial service providers and business partners can define constraints on resources for initial resource allocation and determine the upper limit for potential growth in future.
当使用“ r ”约束时，GCC在这里可以自由分配任何寄存器。
GCC is free here to allocate any register when the "r" constraint is used.
本系列的第2部分将进一步探讨新的共同约束功能，具体包括断言和条件类型分配机制。
In Part 2 of the series, we will further explore the new co-constraint features, specifically assertions and the conditional type assignment mechanism.
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