syntax_data: {"ast_node_type":"other","tokens":[{"end":49,"kind":"keyword","start":0,"text":"xmm10:"}]}
source_snippet:         xmm10: xmm_reg = ["xmm10"] % x86_64_only,
context_before:         xmm9: xmm_reg = ["xmm9"] % x86_64_only,
context_after:         xmm11: xmm_reg = ["xmm11"] % x86_64_only,