3 libFirm 1.19.0 (2011-03-15)
4 ---------------------------
6 * Includes "SSA-Based Register Allocation with PBQP"
7 * Improved Sparc backend
8 * New (optimistic) fixpoint based value-range propagation/bit analysis
9 * Code cleanup and refactoring
12 libFirm 1.18.1 (2010-05-05)
13 ---------------------------
15 * Fix bug where stackframe was not always setup for -fno-omit-frame-pointer
16 * bugfixes in Asm handling
18 libFirm 1.18.0 (2010-04-15)
19 ---------------------------
21 * Includes "Preference Guided Register Assignment" algorithm
22 * Experimental Value Range Propagation
23 * Loop Inversion and experimental Loop Unrolling code
24 * Simplified construction interface. Most node constructors don't need graph/block arguments anymore.
25 * Reworked type interface. Type names are optional now. Support for additional linkage types that among others support C++ 'linkonce' semantics now.
26 * Small changes in constructors and node getters/setters (mostly adding 'const' to some getters)
27 * code cleanup, smaller improvements in API specification
30 libFirm 1.17.0 (2009-05-15)
31 ---------------------------
34 * advanced load/store optimisation which hoists loads out of loops
35 * Internal restruturing: Alot of node structures are automatically generated
36 from a specification file now.
37 * Add support for multiple calling conventions
38 * New experimental support for reading and writing programgraphs to disk
39 * Support and optimisations for trampolines
42 libFirm 1.16.0 (2009-01-28)
43 ---------------------------
46 * support for builtin nodes
48 libFirm 1.15.0 (2008-12-01)
49 ---------------------------
52 libFirm 1.14.0 (2008-11-22)
53 ---------------------------
55 * Implementation of Clicks Combined Analysis/Optimisations
56 * New switch lowering code
57 * support for global asm statements
58 * improved asm support
59 * PIC support for Mac OS X
60 * New register pressure minimizing scheduler
61 * Improvements to spill algorithm
62 * fix endless loop problems
63 * further improve inlining heuristics
64 * improve peephole optimisations for x86
67 libFirm 1.13.0 (2008-07-31)
68 ---------------------------
70 * VanDrunen's GVN-PRE fixed
71 * operator strength reduce fixed and improved
72 * fixed 64bit code generation for some rare compare cases
73 * better tailrecursion optimization: handles x * func() and x + func()
74 * improved inliner: better heuristics for inlining, can now inline recursive calls
76 * lowering of CopyB nodes
77 * better memory disambiguator
78 * float->64bit conversion fixed for x87
79 * removed old verbosity level based debugging: all modules use the new debug facility
80 * Improved Confirm based optimization and conditional evaluation (using Confirm nodes)
81 * BugFixes: tail recursion, load/store optimization, lowering of structure return, conditional
82 evaluation, removal of unused methods
83 * reduced numer of indirections for backend operation
84 * ia32 Backend: supports more CPU architectures
85 * ARM Backend: fixed frame access
86 * support for special segments (like constructors, destructors)
88 libFirm 1.12.1 (2008-02-18)
89 ---------------------------
91 * bugfixes for new style initializers with bitfield types
92 * make lowerer look at constant initializers too
94 libFirm 1.12.0 (2008-02-14)
95 ---------------------------
97 * dependency on libcore and libobstack dropped
98 * there's an alternative easier to use way to construct compound initializers
100 * improved support for exceptions
102 * optimisation of known libc functions
104 libFirm 1.11.0 (2008-11-05)
105 ---------------------------
108 * Compilation speed improved
109 * Completely improved and rewritten handling of x86 address mode
110 * Optimized Mul -> Lea,Shift,Add transformation
111 * 64bit operations fixed and improved
112 * More local optimisations
113 * New backend peephole optimisations
114 * Explicit status flag modeling (only for x86 for now)
115 * Improvements of Load/Store optimisation and alias analysis
116 * All C benchmarks from Spec CINT2000 work now (with our edg frontend)