Re: [fpc-devel] What is the best match for for -mfpu=fpv4-sp-d16 on fpc-arm?

2020-04-11 Thread Florian Klämpfl
Am 11.04.20 um 22:13 schrieb Michael Ring via fpc-devel: I found this reference manual for floating point instructions: https://www.st.com/resource/en/programming_manual/dm00046982-stm32-cortexm4-mcus-and-mpus-programming-manual-stmicroelectronics.pdf and this high level overview: https://embe

Re: [fpc-devel] What is the best match for for -mfpu=fpv4-sp-d16 on fpc-arm?

2020-04-11 Thread Michael Ring via fpc-devel
I found this reference manual for floating point instructions: https://www.st.com/resource/en/programming_manual/dm00046982-stm32-cortexm4-mcus-and-mpus-programming-manual-stmicroelectronics.pdf and this high level overview: https://embeddedartistry.com/blog/2017/10/11/demystifying-arm-floating

Re: [fpc-devel] What is the best match for for -mfpu=fpv4-sp-d16 on fpc-arm?

2020-04-11 Thread Florian Klaempfl
Am 11.04.2020 um 21:03 schrieb Michael Ring via fpc-devel: I have now set up new target freertos-arm and want to start playing arround with freertos. I have compiled freertos with STM32CubeIDE, only 'problem' is that I need to compile with floting point enabled, with Soft-Float the build fail

[fpc-devel] What is the best match for for -mfpu=fpv4-sp-d16 on fpc-arm?

2020-04-11 Thread Michael Ring via fpc-devel
I have now set up new target freertos-arm and want to start playing arround with freertos. I have compiled freertos with STM32CubeIDE, only 'problem' is that I need to compile with floting point enabled, with Soft-Float the build fails. For STM32F401RE Chip the C-compiler selects -mfpu=fpv4-