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llvm-mirror/lib/Target/IA64
History
Chris Lattner 6bc83fb5de random bugfix sitting in my tree. 
llvm-svn: 53274
2008-07-09 05:12:07 +00:00
..
IA64.h Remove attribution from file headers, per discussion on llvmdev. 2007-12-29 20:36:04 +00:00
IA64.td Remove attribution from file headers, per discussion on llvmdev. 2007-12-29 20:36:04 +00:00
IA64AsmPrinter.cpp Add CommonLinkage; currently tentative definitions 2008-05-14 20:12:51 +00:00
IA64Bundling.cpp Remove attribution from file headers, per discussion on llvmdev. 2007-12-29 20:36:04 +00:00
IA64InstrBuilder.h Remove attribution from file headers, per discussion on llvmdev. 2007-12-29 20:36:04 +00:00
IA64InstrFormats.td Remove attribution from file headers, per discussion on llvmdev. 2007-12-29 20:36:04 +00:00
IA64InstrInfo.cpp Pool-allocation for MachineInstrs, MachineBasicBlocks, and 2008-07-07 23:14:23 +00:00
IA64InstrInfo.h Change target-specific classes to use more precise static types. 2008-05-14 01:58:56 +00:00
IA64InstrInfo.td Replace all target specific implicit def instructions with a target independent one: TargetInstrInfo::IMPLICIT_DEF. 2008-03-15 00:03:38 +00:00
IA64ISelDAGToDAG.cpp random bugfix sitting in my tree. 2008-07-09 05:12:07 +00:00
IA64ISelLowering.cpp Split ISD::LABEL into ISD::DBG_LABEL and ISD::EH_LABEL, eliminating 2008-07-01 00:05:16 +00:00
IA64ISelLowering.h Replace some std::vectors that showed up in heap profiling with 2008-06-30 20:31:15 +00:00
IA64MachineFunctionInfo.h
IA64RegisterInfo.cpp Pool-allocation for MachineInstrs, MachineBasicBlocks, and 2008-07-07 23:14:23 +00:00
IA64RegisterInfo.h Move reMaterialize() from TargetRegisterInfo to TargetInstrInfo. 2008-03-31 20:40:39 +00:00
IA64RegisterInfo.td make sure ar.pfs is in a register class, this fixes test/CodeGen/IA64/ret-0.ll 2008-03-09 20:12:44 +00:00
IA64TargetAsmInfo.cpp Remove attribution from file headers, per discussion on llvmdev. 2007-12-29 20:36:04 +00:00
IA64TargetAsmInfo.h Remove attribution from file headers, per discussion on llvmdev. 2007-12-29 20:36:04 +00:00
IA64TargetMachine.cpp Clean up the use of static and anonymous namespaces. This turned up 2008-05-13 00:00:25 +00:00
IA64TargetMachine.h Change target-specific classes to use more precise static types. 2008-05-14 01:58:56 +00:00
Makefile remove attribution from lib Makefiles. 2007-12-29 20:09:26 +00:00
README Stuff noticed while grepping code 2008-02-11 23:47:56 +00:00

README 

TODO:
  - Un-bitrot ISel
  - Hook up If-Conversion a la ARM target
  - Hook up all branch analysis functions
  - Instruction scheduling
  - Bundling
  - Dynamic Optimization
  - Testing and bugfixing
  - stop passing FP args in both FP *and* integer regs when not required
  - allocate low (nonstacked) registers more aggressively
  - clean up and thoroughly test the isel patterns.
  - fix stacked register allocation order: (for readability) we don't want
    the out? registers being the first ones used
  - fix up floating point
    (nb http://gcc.gnu.org/wiki?pagename=ia64%20floating%20point )
  - bundling!
    (we will avoid the mess that is:
     http://gcc.gnu.org/ml/gcc/2003-12/msg00832.html )
  - instruction scheduling (hmmmm! ;)
  - counted loop support
  - make integer + FP mul/div more clever (we have fixed pseudocode atm)
  - track and use comparison complements

INFO:
  - we are strictly LP64 here, no support for ILP32 on HP-UX. Linux users
    don't need to worry about this.
  - i have instruction scheduling/bundling pseudocode, that really works
    (has been tested, albeit at the perl-script level).
    so, before you go write your own, send me an email!

KNOWN DEFECTS AT THE CURRENT TIME:
  - C++ vtables contain naked function pointers, not function descriptors,
  which is bad. see http://llvm.cs.uiuc.edu/bugs/show_bug.cgi?id=406
  - varargs are broken
  - alloca doesn't work (indeed, stack frame layout is bogus)
  - no support for big-endian environments
  - (not really the backend, but...) the CFE has some issues on IA64.
    these will probably be fixed soon.
  
ACKNOWLEDGEMENTS:
  - Chris Lattner (x100)
  - Other LLVM developers ("hey, that looks familiar")

CONTACT:
  - You can email me at duraid@octopus.com.au. If you find a small bug,
    just email me. If you find a big bug, please file a bug report
    in bugzilla! http://llvm.cs.uiuc.edu is your one stop shop for all
    things LLVM.