syntax_data: {"ast_node_type":"other","tokens":[{"end":96,"kind":"keyword","start":0,"text":"//"}]}
source_snippet:     // and its choice depends on whether `neon` instructions are enabled. Instead, we follow the
context_before:     // Do *not* use the float registers for passing arguments, as that would make LLVM pick the ABI
context_after:     // AAPCS "softfloat" ABI, which specifies that floats should be passed as equivalently-sized