https://github.com/larsbrinkhoff/forth-compiler

Native inlining constant folding register allocating Forth compiler
https://github.com/larsbrinkhoff/forth-compiler

code-generation compiler forth optimization optimizer register-allocation

Last synced: 26 days ago
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Native inlining constant folding register allocating Forth compiler

• Host: GitHub
• URL: https://github.com/larsbrinkhoff/forth-compiler
• Owner: larsbrinkhoff
• License: gpl-3.0
• Created: 2016-01-15T20:08:45.000Z (almost 9 years ago)
• Default Branch: master
• Last Pushed: 2016-01-19T11:16:48.000Z (almost 9 years ago)
• Last Synced: 2023-03-25T20:50:01.170Z (over 1 year ago)
• Topics: code-generation, compiler, forth, optimization, optimizer, register-allocation
• Language: Forth
• Size: 20.5 KB
• Stars: 14
• Watchers: 5
• Forks: 1
• Open Issues: 0
• Metadata Files:
  • Readme: README.md
  • License: LICENSE

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README

        
Simple native code Forth compiler.

- Inlining

- Register allocation

- Constant folding

Sample output:

    Compile: t: rot   >r swap r> swap ;

    LD r0 0(SP)

    LD r1 4(SP)

    LD r2 8(SP)

    ST r2 0(SP)

    ST r0 4(SP)

    ST r1 8(SP)

    RET

    Compile: t: -rot   rot rot ;

    LD r0 0(SP)

    LD r1 4(SP)

    LD r2 8(SP)

    ST r1 0(SP)

    ST r2 4(SP)

    ST r0 8(SP)

    RET

    Compile: t: +!   tuck @ + swap ! ;

    LD r0 0(SP)

    LD r1 4(SP)

    LD r2 (r0)

    ADD r1 r2 

    ST r1 (r0)

    ADD SP #8 

    RET

    Compile: t: test4   2 + 3 ;

    LD r0 0(SP)

    ADD r0 #2 

    ADD SP #-4 

    ST #3 0(SP)

    ST r0 4(SP)

    RET

    Compile: t: test5   2 test4 * ;

    ADD SP #-4 

    ST #12 0(SP)

    RET