[Firm] A question about spilling in register allocation

五月的风 anlarry at foxmail.com
Mon Jun 21 15:36:02 CEST 2021

Hello, Firm developers: 

I'm a student learning compiler design. I read your wonderful book, Register Allocation for Programs in SSA form. I'm comfused that the algorithm in section 4.2.4, it's just like linear scan for spilling and coloring. I wonder what the difference between linear scan and the algorithm proposed in the book.

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