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Diffstat (limited to 'lib/Target/IA64/README')
-rw-r--r-- | lib/Target/IA64/README | 48 |
1 files changed, 0 insertions, 48 deletions
diff --git a/lib/Target/IA64/README b/lib/Target/IA64/README deleted file mode 100644 index 60761ac11d..0000000000 --- a/lib/Target/IA64/README +++ /dev/null @@ -1,48 +0,0 @@ -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. |