Global: Change division to multiplication #26855
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Have you checked the assembly output? There is a high chance the compiler is already making this optimisation. |
We don't let the compiler do this as the results can change. I think that's We can choose to do it ourselves, of course, and yes, this PR does change the compiler output to do muls rather than divs. |
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Sep 30, 2024
| @@ -603,7 +603,7 @@ int decodeECU_TelemetrySlow1PacketStructure(const void* _pg_pkt, ECU_TelemetrySl | |||
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| // Input voltage in Volts | |||
| // Range of voltage is 0.0f to 25.5f. | |||
| _pg_user->voltage = float32ScaledFrom1UnsignedBytes(_pg_data, &_pg_byteindex, 0.0f, 1.0f/10.0f); | |||
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I have reverted the changes to the piccolo_protocol.
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Can be merged once the piccolocan patches are removed |
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The STM32 has fewer clocks for multiplication than for division.