syntax_data: {"ast_node_type":"other","tokens":[{"end":88,"kind":"keyword","start":0,"text":"//"}]}
source_snippet:     // will trigger an exception. Rust does not inject any code that enables AVX/MMX/SSE
context_before:     // enable these CPU features explicitly before their first use, otherwise their instructions
context_after:     // instruction sets, so this must be done by the firmware. However, existing firmware is known