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Altera_Forum
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12 years ago

using the FPU on Cortex A9

Hello, I'm trying to use the FPU in my baremetal project. I use the ARM DS-5 (altera edition) with the DS5-GCC. I try to compile a simple project with the following options: -mf...
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Altera_Forum
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12 years ago

The arm calling convertions for sotf-float and hard-float differ so the entire system has to be built for soft-float or hard-float.

It is possible to use a soft-float library that uses the hard-fp instructions (dunno where you'd find one).