A company is planning to port C language from X86 platform to Kunpeng platform, which involves gcc compilation. Which of the following are part of the gcc compilation process? (Multiple choices)

A company is planning to port C language from X86 platform to Kunpeng platform, which involves gcc compilation. Which of the following are part of the gcc compilation process? (Multiple choices)
A . Compilation
B . Compilation
C . Preprocessing
D . Links

Answer: ABCD