查看v8编译js生成的机器代码


1、编译v8使用ENABLE_DISASSEMBLER预编译宏

2、d8 --print-code add.js

3、相关命令

--code-comments

--print-code: prints out code to stdout.--print-code-stubs: prints code stubs.--print-opt-code: prints optimized code.--trace-hydrogen: prints IR (intermediate representation) code to hydrogen.cfg. This file can be opened withJava's C1Visualizer.