syntax_data: {"ast_node_type":"other","tokens":[{"end":91,"kind":"keyword","start":0,"text":"//"}]}
source_snippet:             // Both the Cortex-M4 and the Cortex-M7 only have 16 double-precision registers
context_before:             // Cortex-M7 (vfp5).
context_after:             // available, and the Cortex-M4 only supports single-precision floating point operations