请问有哪些ARM支持双精度浮点运算?
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cortex A8的VFP支持单精度和双精度浮点运算。请参考http://processors.wiki.ti.com/index.php/Cortex-A8#What_is_VFP.3F
A8, A9, A15都支持,其中A8最差,如果您有较高要求,可以关注我们的AM437x,近期会推出