syntax_data: {"ast_node_type":"other","tokens":[{"end":12,"kind":"keyword","start":0,"text":"X86Sse2,"}]}
source_snippet:     X86Sse2,
context_before:     /// On x86-32 only: make use of SSE and SSE2 for ABI purposes.
context_after:     /// On x86-32/64 only: do not use any FPU or SIMD registers for the ABI.