The ARM processor (Thumb-2), part 19: Common patterns

We saw some time ago how to recognize dense switch statements that use the TBB and TBH instructions. Here are some other common sequences in compiler-generated code. Note that instructions are likely to be reordered by the compiler to avoid stalls.

The post The ARM processor (Thumb-2), part 19: Common patterns appeared first on The Old New Thing.

2021-06-24 15:51:46Z 0001-01-01 00:00:00Z https://devblogs.microsoft.com/oldnewthing/20210624-46/?p=105355

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