syntax_data: {"ast_node_type":"other","tokens":[{"end":49,"kind":"keyword","start":0,"text":"ymm14:"}]}
source_snippet:         ymm14: ymm_reg = ["ymm14"] % x86_64_only,
context_before:         ymm13: ymm_reg = ["ymm13"] % x86_64_only,
context_after:         ymm15: ymm_reg = ["ymm15"] % x86_64_only,