syntax_data: {"ast_node_type":"other","tokens":[{"end":2,"kind":"keyword","start":0,"text":"//"}]}
source_snippet: //
context_before: // are passed to/from subroutines via FPU registers (S0, S1, D0, D1, etc.).
context_after: // To opt into double precision hardware support, use the `-C target-feature=+fp64` flag.