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b8158acc23
additional bug fixes: 1. The bug that everyone hit was a problem in the asmprinter where it would remove $stub but keep the L prefix on a name when emitting the indirect symbol. This is easy to fix by keeping the name of the stub and the name of the symbol in a StringMap instead of just keeping a StringSet and trying to reconstruct it late. 2. There was a problem printing the personality function. The current logic to print out the personality function from the DWARF information is a bit of a cesspool right now that duplicates a bunch of other logic in the asm printer. The short version of it is that it depends on emitting both the L and _ prefix for symbols (at least on darwin) and until I can untangle it, it is best to switch the mangler back to emitting both prefixes. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@75646 91177308-0d34-0410-b5e6-96231b3b80d8 |
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|---|---|---|
| .. | ||
| AsmPrinter | ||
| CMakeLists.txt | ||
| IA64.h | ||
| IA64.td | ||
| IA64Bundling.cpp | ||
| IA64InstrBuilder.h | ||
| IA64InstrFormats.td | ||
| IA64InstrInfo.cpp | ||
| IA64InstrInfo.h | ||
| IA64InstrInfo.td | ||
| IA64ISelDAGToDAG.cpp | ||
| IA64ISelLowering.cpp | ||
| IA64ISelLowering.h | ||
| IA64MachineFunctionInfo.h | ||
| IA64RegisterInfo.cpp | ||
| IA64RegisterInfo.h | ||
| IA64RegisterInfo.td | ||
| IA64Subtarget.cpp | ||
| IA64Subtarget.h | ||
| IA64TargetAsmInfo.cpp | ||
| IA64TargetAsmInfo.h | ||
| IA64TargetMachine.cpp | ||
| IA64TargetMachine.h | ||
| Makefile | ||
| 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.