Comment on Ubuntu 24.04 LTS will enable frame pointers by defaultparentComments−peterfirefly2yAll AMD64 CPUs support at least SSE2 which means they have 16 (not 15 or 14!) XMM registers they can spill to. This is just as fast as a move between two GPRs.
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All AMD64 CPUs support at least SSE2 which means they have 16 (not 15 or 14!) XMM registers they can spill to. This is just as fast as a move between two GPRs.