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Title: Micro-optimize list index range checks by rhettinger · Pull Request #9784 · python/cpython · GitHub

Open Graph Title: Micro-optimize list index range checks by rhettinger · Pull Request #9784 · python/cpython

X Title: Micro-optimize list index range checks by rhettinger · Pull Request #9784 · python/cpython

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Open Graph Description: Old code _list_item: testq %rsi, %rsi js L282 cmpq %rsi, 16(%rdi) jg L283 ... L283: movq 24(%rdi), %rax movq (%rax,%rsi,8), %rax addq $1, (%rax) ...

X Description: Old code _list_item: testq %rsi, %rsi js L282 cmpq %rsi, 16(%rdi) jg L283 ... L283: movq 24(%rdi), %rax movq (%rax,%rsi,8), %rax addq $1, (%rax) ...

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