syntax_data: {"ast_node_type":"other","tokens":[{"end":49,"kind":"keyword","start":0,"text":"zmm14:"}]}
source_snippet:         zmm14: zmm_reg = ["zmm14"] % x86_64_only,
context_before:         zmm13: zmm_reg = ["zmm13"] % x86_64_only,
context_after:         zmm15: zmm_reg = ["zmm15"] % x86_64_only,