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llvm-6502/lib/Target/IA64
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Anton Korobeynikov 7c1c261272 Remove bunch of gcc 4.3-related warnings from Target 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@47369 91177308-0d34-0410-b5e6-96231b3b80d8
2008-02-20 11:22:39 +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 Rename MRegisterInfo to TargetRegisterInfo. 2008-02-10 18:45:23 +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 remove MachineOpCode typedef. 2008-01-07 02:48:55 +00:00
IA64InstrInfo.h Rename MRegisterInfo to TargetRegisterInfo. 2008-02-10 18:45:23 +00:00
IA64InstrInfo.td Change how FP immediates are handled. 2008-02-14 08:57:00 +00:00
IA64ISelDAGToDAG.cpp Dwarf requires variable entries to be in the source order. Right now, since we are recording variable information at isel time this means parameters would appear in the reverse order. The short term fix is to issue recordVariable() at asm printing time instead. 2008-02-04 23:06:48 +00:00
IA64ISelLowering.cpp I cannot find a libgcc function for this builtin. Therefor expanding it to a noop (which is how it use to be treated). If someone who knows the x86 backend better than me could tell me how to get a lock prefix on an instruction, that would be nice to complete x86 support. 2008-02-16 14:46:26 +00:00
IA64ISelLowering.h In TargetLowering::LowerCallTo, don't assert that 2008-02-14 17:28:50 +00:00
IA64MachineFunctionInfo.h Remove trailing whitespace 2005-04-21 23:13:11 +00:00
IA64RegisterInfo.cpp Rename MRegisterInfo to TargetRegisterInfo. 2008-02-10 18:45:23 +00:00
IA64RegisterInfo.h Remove bunch of gcc 4.3-related warnings from Target 2008-02-20 11:22:39 +00:00
IA64RegisterInfo.td Remove attribution from file headers, per discussion on llvmdev. 2007-12-29 20:36:04 +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 Remove attribution from file headers, per discussion on llvmdev. 2007-12-29 20:36:04 +00:00
IA64TargetMachine.h Rename MRegisterInfo to TargetRegisterInfo. 2008-02-10 18:45:23 +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.