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Diffstat (limited to 'devel/libfirm/pkg-descr')
| -rw-r--r-- | devel/libfirm/pkg-descr | 24 |
1 files changed, 24 insertions, 0 deletions
diff --git a/devel/libfirm/pkg-descr b/devel/libfirm/pkg-descr new file mode 100644 index 000000000000..53fed3f7a07b --- /dev/null +++ b/devel/libfirm/pkg-descr @@ -0,0 +1,24 @@ +libFIRM provides a graph-based intermediate representation (IR), which operates +exclusively in SSA-form, starting at IR construction until assembler code +emission. It offers many analyses and optimizations, provides extensive debug +support and includes a backend framework. + +* analyses: dominance, loop tree, execution frequency, control dependencies, + call graph, rapid type, def-use, alias analysis, class hierarchy analysis +* optimizations: dead code elimination (happens implicitly), constant folding, + local common subexpression elimination, arithmetic identities (happens on the + fly), unreachable code elimination, global common subexpression elimination, + code placement, strength reduction, scalar replacement, if-conversion, + load/store optimization, control flow optimizations, reassociation, partial + condition evaluation, tail recursion elimination, inlining, procedure cloning +* enhanced debugging support: extensive checkers, breakpoints on node creation, + entity creation, graph dumping +* lowering of intrinsics, double word arithmetics, bitfields +* generic backend features: + * novel SSA based register allocator + * several SSA copy coalescing and spilling algorithms + * algorithms for instruction and basic block scheduling +* working ia32 backend, unfinished backends for MIPS, ARM, PPC32 +* handwritten recursive descent C89/C99 frontend available (lang/cparser) + +WWW: http://libfirm.org/ |