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Commit Graph

65 Commits

Author SHA1 Message Date
Evan Cheng
58b387dfb0 Remove redundant foldMemoryOperand variants and other code clean up.
llvm-svn: 44517
2007-12-02 08:30:39 +00:00
Evan Cheng
79e8b92dc3 Allow some reloads to be folded in multi-use cases. Specifically testl r, r -> cmpl [mem], 0.
llvm-svn: 44479
2007-12-01 02:07:52 +00:00
Dale Johannesen
5fd9e7a615 Add parameter to getDwarfRegNum to permit targets
to use different mappings for EH and debug info;
no functional change yet.
Fix warning in X86CodeEmitter.

llvm-svn: 44056
2007-11-13 19:13:01 +00:00
Anton Korobeynikov
8e8473c783 Use TableGen to emit information for dwarf register numbers.
This makes DwarfRegNum to accept list of numbers instead.
Added three different "flavours", but only slightly tested on x86-32/linux.
Please check another subtargets if possible,

llvm-svn: 43997
2007-11-11 19:50:10 +00:00
Bruno Cardoso Lopes
569b5512b0 Added support for PIC code with "explicit relocations" *only*.
Removed all macro code for PIC (goodbye "la").
Support tested with shootout bench.

llvm-svn: 43697
2007-11-05 03:02:32 +00:00
Evan Cheng
0449186690 - Added getOpcodeAfterMemoryUnfold(). It doesn't unfold an instruction, but only returns the opcode of the instruction post unfolding.
- Fix some copy+paste bugs.

llvm-svn: 43153
2007-10-18 22:40:57 +00:00
Evan Cheng
c852780685 Use SmallVectorImpl instead of SmallVector with hardcoded size in MRegister public interface.
llvm-svn: 43150
2007-10-18 21:29:24 +00:00
Bruno Cardoso Lopes
257d5a5127 Position Independent Code (PIC) support [3]
llvm-svn: 42780
2007-10-09 03:15:11 +00:00
Evan Cheng
f536e2f41e - Added a few target hooks to generate load / store instructions from / to any
address (not just from / to frameindexes).
- Added target hooks to unfold load / store instructions / SDNodes into separate
load, data processing, store instructions / SDNodes.

llvm-svn: 42621
2007-10-05 01:32:41 +00:00
Evan Cheng
5f9e291240 Allow copyRegToReg to emit cross register classes copies.
Tested with "make check"!

llvm-svn: 42346
2007-09-26 06:25:56 +00:00
Bruno Cardoso Lopes
ff764398e6 Added method to get Mips register numbers
Changed the stack frame layout, StackGrowsUp fits better to Mips strange stack.
Stack offset calculation bug fixed!

llvm-svn: 41529
2007-08-28 05:13:42 +00:00
Bruno Cardoso Lopes
3bc582fa67 Fixed stack frame addressing bug
llvm-svn: 41160
2007-08-18 02:19:09 +00:00
Evan Cheng
8312ed6f77 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))]>;

llvm-svn: 40033
2007-07-19 01:14:50 +00:00
Bruno Cardoso Lopes
e21704313d Added support for framepointer
Prologue/Epilogue support fp,ra save/restore and use the stack frame the right
way!

llvm-svn: 39763
2007-07-11 23:21:31 +00:00
Bruno Cardoso Lopes
709699b8d3 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.

llvm-svn: 37461
2007-06-06 07:42:06 +00:00