The other day we were working on the compiler detection of hotspots, originally implemented by Clément Béra during his PhD thesis. In Sista, hotspot detection is implemented as a countdown that looks like the following: the counter is loaded in a register, decremented and then a jump if carry detects if the substraction underflowed. WeContinue reading “Debugging the JIT compiler Hotspot detection for ARM64”
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The Pharo Dev: Mastering Objects 