Superoptimizing an FPU Emulator

发生了什么

Superoptimization is the process where a compiler automatically finds the optimal sequence for a loop-free sequence of instructions. – Wikipedia Compilers are good at making mechanical transformations that make code faster. Unfortunately, most of them are not as good at non-trivial reasoning, so they can’t invent a completely novel approach to solving your problem. When designing a library for floating-point calcula…

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