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Diffstat (limited to 'README.md')
| -rw-r--r-- | README.md | 10 |
1 files changed, 5 insertions, 5 deletions
@@ -6,7 +6,7 @@ This repo is intended to demonstrate the Sea-of-Nodes compiler IR. The Sea-of-Nodes is the core IR inside of HotSpot's C2 compiler and Google's V8 compiler and Sun/Oracle's Graal compiler. -Since we are show casing the SoN IR, the *language* being implemented is less +Since we are showcasing the SoN IR, the *language* being implemented is less important. We're using a very simple language similar to C or Java, but with far fewer features. Simple is strongly typed, object-oriented, with first-class *functions* not *closures*. Object references are pointers, and null @@ -16,12 +16,12 @@ has a minimal syntax that can be parsed with a recursive descent parser. The Sea-of-Nodes is used for machine code generation in these industrial strength systems - but for this demonstration the backend is both difficult and -less important. This repo targets X86, RISC5 and ARM64 at least with +less important. This repo targets x86-64, RISC-V and ARM64 with ahead-of-time compilation - but with an eye towards JIT compilation. This repo also is not intended to be a complete language in any sense, and so -the backend starts with levering Java: the Evaluator (first appears in Chapter -10a) directly slowly interprets the SoN IR. Code-gen first appears in Chapter +the backend starts with a Java evaluator (first introduced in Chapter +8) that directly interprets the SoN IR. Code generation first appears in Chapter 19. @@ -74,7 +74,7 @@ The Simple language is styled after a subset of C or Java. ## Building across chapters The optional [interactive graph viewer](graph/README.md) is shared in `graph/`. -Chapters 10a, 10b, and 18–25 launch it with `make view` from the chapter directory. +Chapters 1–25, including 10a and 10b, launch it with `make view` from the chapter directory. The [debug printers](print/README.md) are shared in `print/`; Chapter 2 needs only a one-line expression format. A shared `BaseNode` supplies identity and edge |