syntax_data: {"ast_node_type":"other","tokens":[{"end":98,"kind":"keyword","start":0,"text":"//"}]}
source_snippet:     // instruction sets, so this must be done by the firmware. However, existing firmware is known
context_before:     // will trigger an exception. Rust does not inject any code that enables AVX/MMX/SSE
context_after:     // to leave these uninitialized, thus triggering exceptions if we make use of them. Which is