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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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11 years ago

Hi stefmaster,

can u please let me know what I need to change to use hard mfpu in my design.

whan I update my makefile like this:

MULTILIBFLAGS := -mcpu=cortex-a9 -mfloat-abi=hard -mfpu=neon-fp16

I got error that:

hello.o uses VFP register arguments, hello.axf does not

I am working on cyclone V soc with GCC compiler.