About andreas239955

andreas239955 · 2014-04-08

Posted on April 08, 2014 at 17:15Hello,I'm fairly new to the STM32 processors, but got to like them quickly. Currently working with the STM32F401RE on a NUCLEO board, I made an observation I can't explain. Maybe somebody else can (easily).I let the ...

andreas239955 · 2014-05-02

Posted on May 02, 2014 at 16:12Just to close this case and confirm Laurent's suspicion: operations on long long integers are executed using library functions, even when hard floating point support is enabled. The FPU accelerates floating-point opera...

andreas239955 · 2014-04-08

Posted on April 08, 2014 at 20:04I checked the disassembly window. I see that for the multiplication the UMULL instruction is used. For the division, the __aeabi_uldivmod() function is called, which is longer than I expected. I'll have a look at it,...

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STM32F4 function call overhead

Re: STM32F4 function call overhead

Re: STM32F4 function call overhead