Debugging SIMD registers in VS Code Contrary to some opinions, it can be quite useful to have some visibility into what your code is doing1. Unfortunately, if you are writing x86 SIMD code (SSE or AVX), the support provided by gdb and lldb is not so great. For starters, each SIMD register can be divided into multiple lanes. For example, a 128-bit wide register can be divided the following way:
