【armv7,armv7s】different?

【環境：xCode4.5 , ios6 , USE ARC】
宣告：
名稱：
說明：
The iPhone 5's A6 SoC: Not A15 or A9, a Custom Apple Core Instead

主要的說明在上面連結。

What's the main difference between the armv7 and armv7s architecture targets for the LLVM C compiler? The presence of VFPv4 support. The armv7s target supports it, the v7 target doesn't. Why does this matter?

或許你會想瞭解ARM（進階精簡指令集機器Advanced RISC Machine） - （浮點處理器）
差別在是否支援VFPv4
主要似乎是跟硬體支援有關係，這部分就不詳細追究下去。

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