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选择CPU类型为：Cortex-M33.Dsp时，没有硬件浮点选项的配置 #328

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ckforce opened this issue Apr 23, 2024 · 3 comments
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选择CPU类型为：Cortex-M33.Dsp时，没有硬件浮点选项的配置 #328

ckforce opened this issue Apr 23, 2024 · 3 comments

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@ckforce
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ckforce commented Apr 23, 2024

目前是的情况是选了Cortex-M33可以选FPU类型
image

选择Cortex-M33.Dsp，就没法选择FPU类型了
image

并且选择Cortex-M33.DSP时，编译参数输出的是-mfloat-abi=soft

需要在选择M33.DSP的情况下启用硬件FPU
@github0null
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这个可能是 bug，

你可以手动添加 -mfloat-abi=xxx 到 C/C++ 选项里，会覆盖掉旧的选项的

@ckforce
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ckforce commented Apr 24, 2024

现在的做法是选择Cortex-M33，浮点选single，然后在编译选项里加上-mcpu=cortex-m33，覆盖-mcpu=cortex-m33.nodsp

@github0null
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该问题已在 v3.16.1 中修复

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@ckforce @github0null