patchDotGNU Portable.NET - Patches: patch #6799, libJIT 1.2.5 + / 1.2 1/2 Release...

 
 

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patch #6799: libJIT 1.2.5 + / 1.2 1/2 Release (code name: libJIT-ON-TESTOSTERONE)

Submitted by:  Kirill Kononenko <krokas>
Submitted on:  Sat 04 Apr 2009 01:55:14 PM UTC  
 
Category: NonePriority: 5 - Normal
Status: NonePrivacy: Public
Assigned to: NoneOpen/Closed: Open

Sat 04 Apr 2009 01:55:14 PM UTC, original submission:
  • Add optimization levels for IA-32 from 0 to 4 (jit_set_optimization_level)
  • Add a new specialized jit_abi_internal
  • Add brand new optimized object code generator (level 1, 2, 3, 4 of optimization)
  • Various low-level machine dependent optimizations and tricks
  • Aggressive optimization of division by integer constants as

by Torbjorn Granlund and Peter L. Montgomery in "Division By Invariant Integers using Multiplication"
divcnst-pldi94.pdf

  • Add primitive code generators for MMX/Streaming SIMD Extensions/SSE/SSE2/SSE3 and others
  • Use SIMD SSE/SSE2/SSE3 for floating point values and operations (level 1, 2, 3, 4 of optimization\\)
  • Data-flow and control-flow based analysis (level 1, 2, 3, 4 of optimization)
  • Fast liveness analysis (level 2 of optimization)
  • Dead-code elimination (level 4 of optimization)
  • Full liveness analysis (level 3, 4 of optimization)
  • Linear scan register allocator algorithm (level 2)
  • Bin packing register allocator algorithm (level 3, 4)
  • Tested on DotGNU Portable.NET Common Language Runtime

/ a Microsoft Common Intermediate Language Virtual Machine

Download is at:

http://libjit-linear-scan-register-allocator.googlecode.com/files/libjit-0.1.2.5%2B.tar.gz

See also:

http://code.google.com/p/libjit-linear-scan-register-allocator
jit-cil.net

Kirill Kononenko <krokas>

 

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