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12 Commits

Author SHA1 Message Date
Bill Wendling
0f8d9c04d9 Unify CALLSEQ_{START,END}. They take 4 parameters: the chain, two stack 
adjustment fields, and an optional flag. If there is a "dynamic_stackalloc" in
the code, make sure that it's bracketed by CALLSEQ_START and CALLSEQ_END. If
not, then there is the potential for the stack to be changed while the stack's
being used by another instruction (like a call).

This can only result in tears...


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@44037 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-11-13 00:44:25 +00:00
Bruno Cardoso Lopes
753a98740b Added JumpTable support 
Fixed some AsmPrinter issues
Added GLOBAL_OFFSET_TABLE Node handle.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@44024 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-11-12 19:49:57 +00:00
Bruno Cardoso Lopes
c7db5618f9 Added support for PIC code with "explicit relocations" *only*. 
Removed all macro code for PIC (goodbye "la").
Support tested with shootout bench.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@43697 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-11-05 03:02:32 +00:00
Eric Christopher
3c999a270e clo/clz aren't supported on mips I. Keep them around for when we'll 
want them later (mips32/64).


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@43380 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-10-26 04:00:13 +00:00
Bruno Cardoso Lopes
e78080c4dc Position Independent Code (PIC) support [1] 
- Modified instruction format to handle pseudo instructions
- Added LoadAddr SDNode to load symbols.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@42778 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-10-09 02:55:31 +00:00
Bruno Cardoso Lopes
b42abebe36 Added "LoadEffective" pattern to handle stack locations. 
Fixed some comments


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@42271 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-09-24 20:15:11 +00:00
Evan Cheng
071a279e94 Remove (somewhat confusing) Imp<> helper, use let Defs = [], Uses = [] instead. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@41863 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-09-11 19:55:27 +00:00
Bruno Cardoso Lopes
9710536b44 MipsHi now has ouput flag 
MipsAdd SDNode created to add support to an Add opcode which supports input flag
Added an instruction itinerary to all instruction classes
Added branches with zero cond codes
Now call clobbers all non-callee saved registers
Call w/ register support added
Added DelaySlot to branch and load instructions
Added patterns to handle all setcc, brcond/setcc and MipsAdd instructions


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@41161 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-08-18 02:37:46 +00:00
Evan Cheng
ffbaccae02 No more noResults. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@40132 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-07-21 00:34:19 +00:00
Evan Cheng
64d80e3387 Change instruction description to split OperandList into OutOperandList and 
InOperandList. This gives one piece of important information: # of results
produced by an instruction.
An example of the change:
def ADD32rr  : I<0x01, MRMDestReg, (ops GR32:$dst, GR32:$src1, GR32:$src2),
                 "add{l} {$src2, $dst|$dst, $src2}",
                 [(set GR32:$dst, (add GR32:$src1, GR32:$src2))]>;
=>
def ADD32rr  : I<0x01, MRMDestReg, (outs GR32:$dst), (ins GR32:$src1, GR32:$src2),
                 "add{l} {$src2, $dst|$dst, $src2}",
                 [(set GR32:$dst, (add GR32:$src1, GR32:$src2))]>;


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@40033 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-07-19 01:14:50 +00:00
Bruno Cardoso Lopes
332a3d22a2 Removed unused immediate PatLeaf, fixed lui instruction 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@39759 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-07-11 22:47:02 +00:00
Bruno Cardoso Lopes
972f5896e4 Initial Mips support, here we go! =) 
- Modifications from the last patch included
  (issues pointed by Evan Cheng are now fixed).
- Added more MipsI instructions.
- Added more patterns to match branch instructions.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@37461 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-06-06 07:42:06 +00:00