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205 Commits

Author SHA1 Message Date
Akira Hatanaka 5b350be79d Coding style fixes. 
llvm-svn: 133496
 2011-06-21 01:02:03 +00:00
Akira Hatanaka 4c406e7457 Re-apply 132758 and 132768 which were speculatively reverted in 132777. 
llvm-svn: 133494
 2011-06-21 00:40:49 +00:00
Bruno Cardoso Lopes 5444a7b4cd Silence warnings in non assert builds. Patch by David Blaikie 
llvm-svn: 133118
 2011-06-16 00:40:02 +00:00
Eric Christopher f15601f19a Speculatively revert 132758 and 132768 to try to fix the Windows buildbots. 
llvm-svn: 132777
 2011-06-09 16:03:19 +00:00
Eric Christopher 0713a9d8fc Add a parameter to CCState so that it can access the MachineFunction. 
No functional change.

Part of PR6965

llvm-svn: 132763
 2011-06-08 23:55:35 +00:00
Akira Hatanaka 4e9af454f7 Fix bug in lowering of DYNAMIC_STACKALLOC nodes. The correct offset of the 
dynamically allocated stack area was not set.

llvm-svn: 132758
 2011-06-08 21:28:09 +00:00
Akira Hatanaka 195a1e2184 Reorganize code in MipsTargetLowering::LowerCall to improve readability. 
llvm-svn: 132756
 2011-06-08 17:39:33 +00:00
Akira Hatanaka 41956cf6e3 Refactor MipsTargetLowering::EmitInstrWithCustomInserter. 
llvm-svn: 132726
 2011-06-07 19:28:39 +00:00
Akira Hatanaka 1550678765 Coding style fixes. 
- Fix indentation.
- Move comments.
- Fit lines in 80 columns.
- Remove dead code.

llvm-svn: 132724
 2011-06-07 18:58:42 +00:00
Akira Hatanaka 6627752050 Custom-lower FRAMEADDR. Patch by Sasa Stankovic. 
llvm-svn: 132444
 2011-06-02 00:24:44 +00:00
Bruno Cardoso Lopes f771a0f490 Fix uninitialized variables and silence warnings 
llvm-svn: 132355
 2011-05-31 20:25:26 +00:00
Bruno Cardoso Lopes 98fc4c8bbc This patch implements atomic intrinsics atomic.load.add (sub,and,or,xor, 
nand), atomic.swap and atomic.cmp.swap, all in i8, i16 and i32 versions.
The intrinsics are implemented by creating pseudo-instructions, which are
then expanded in the method MipsTargetLowering::EmitInstrWithCustomInserter.

Patch by Sasa Stankovic.

llvm-svn: 132323
 2011-05-31 02:54:07 +00:00
Bruno Cardoso Lopes bf3c1251e0 This patch implements the thread local storage. Implemented are General 
Dynamic, Initial Exec and Local Exec TLS models.

Patch by Sasa Stankovic

llvm-svn: 132322
 2011-05-31 02:53:58 +00:00
Akira Hatanaka b406843fe5 Define a wrapper node for target constant nodes (tglobaladdr, etc.). 
Need this to prevent emitting illegal conditional move instructions. 

llvm-svn: 132240
 2011-05-28 01:07:07 +00:00
Akira Hatanaka 077964a03c Use MachineFrameInfo::hasCalls instead of MipsFunctionInfo::hasCall to check if 
a function has any function calls.

llvm-svn: 132140
 2011-05-26 20:30:31 +00:00
Akira Hatanaka aa560006ed Add support for C++ exception handling. 
llvm-svn: 132131
 2011-05-26 18:59:03 +00:00
Akira Hatanaka f1412e4d2f Remove MipsTargetLowering::LowerFP_TO_SINT. Patterns for fp_to_sint have already 
been defined in MipsInstrFPU.td.

llvm-svn: 132076
 2011-05-25 20:08:05 +00:00
Akira Hatanaka 44eba3ac49 Custom-lower FCOPYSIGN nodes. 
llvm-svn: 132074
 2011-05-25 19:32:07 +00:00
Akira Hatanaka d72cc55fcc Update MaxCallFrameSize regardless of the relocation model selected. 
llvm-svn: 132070
 2011-05-25 18:08:32 +00:00
Akira Hatanaka 92a26d4e18 Change initial value of MaxCallFrameSize. MipsFI::getMaxCallFrameSize() should 
return 0 if there are no function calls made. 

llvm-svn: 132065
 2011-05-25 17:52:48 +00:00
Akira Hatanaka 46662e0f91 Coding style fixes. Added comments. 
llvm-svn: 132063
 2011-05-25 17:32:06 +00:00
Akira Hatanaka aac670c1c8 Fix lowering of DYNAMIC_STACKALLOC nodes. 
llvm-svn: 132030
 2011-05-25 02:20:00 +00:00
Akira Hatanaka 5e16c6a9b2 Implement byval structure argument passing. The following limitations or 
deficiencies exist:

- Works only if ABI is o32.
- Zero-sized structures cannot be passed.
- There is a lot of redundancy in generated code.

llvm-svn: 131986
 2011-05-24 19:18:33 +00:00
Akira Hatanaka cb4a1a8d3f Simplify offset calculation of stack frame objects for $gp restore location and 
variable arguments in LowerCall and LowerFormalArguments. This should also fix
the bug in which handling of variable arguments is incorrect when the front-end
optimizes away unused fixed arguments.

llvm-svn: 131942
 2011-05-24 00:23:52 +00:00
Akira Hatanaka dfb8cda11f Expand f64 FPOW. 
llvm-svn: 131928
 2011-05-23 22:23:58 +00:00
Akira Hatanaka 9dbb45b596 Fixes related to coding style. 
llvm-svn: 131922
 2011-05-23 21:13:59 +00:00
Akira Hatanaka f9e5750fc8 Change StackDirection from StackGrowsUp to StackGrowsDown. 
The following improvements are accomplished as a result of applying this patch:
- Fixed frame objects' offsets (relative to either the virtual frame pointer or
  the stack pointer) are set before instruction selection is completed. There is
  no need to wait until Prologue/Epilogue Insertion is run to set them.
- Calculation of final offsets of fixed frame objects is straightforward. It is
  no longer necessary to assign negative offsets to fixed objects for incoming
  arguments in order to distinguish them from the others.
- Since a fixed object has its relative offset set during instruction
  selection, there is no need to conservatively set its alignment to 4.
- It is no longer necessary to reorder non-fixed frame objects in 
  MipsFrameLowering::adjustMipsStackFrame.

llvm-svn: 131915
 2011-05-23 20:16:59 +00:00
Akira Hatanaka 0837692ac6 Change the order fixed objects are created in MipsTargetLowering::LowerCall in 
preparation for reversing StackDirection.

Fixed objects are created in the following order:  
 1. Incoming arguments passed on stack.
 2. va_arg objects (include both arguments that are passed in registers and
    pointer to the location of the first va_arg argument).
 3. $gp restore slot.
 4. Outgoing arguments passed on stack.
 5. Pointer to alloca'd space.

llvm-svn: 131767
 2011-05-20 23:22:14 +00:00
Akira Hatanaka 7c619f174a In CC_MipsO32, allocate a stack space regardless of whether the argument is 
passed in register or on the stack.

llvm-svn: 131758
 2011-05-20 21:39:54 +00:00
Akira Hatanaka 43407fe633 Make $fp and $ra callee-saved registers and let PrologEpilogInserter handle 
saving and restoring them.

llvm-svn: 131745
 2011-05-20 18:39:33 +00:00
Akira Hatanaka fe4f9d5977 Fix bug in which nodes that write to argument registers do not get glued with the JALR node. Patch by Sasa Stankovic 
llvm-svn: 131714
 2011-05-20 02:30:51 +00:00
Akira Hatanaka 7489faa0c1 Remove code that creates unnecessary frame objects. 
llvm-svn: 131711
 2011-05-20 01:45:06 +00:00
Akira Hatanaka 9e6a8cca5d Align i64 arguments to 64 bit boundaries. 
llvm-svn: 131668
 2011-05-19 20:29:48 +00:00
Akira Hatanaka 92ab6db6c8 Simplify CC_MipsO32 and merge it with CC_MipsO32_VarArgs. Patch by Sasa Stankovic. 
llvm-svn: 131657
 2011-05-19 18:06:05 +00:00
Eli Friedman 2518f8376d Make the logic for determining function alignment more explicit. No functionality change. 
llvm-svn: 131012
 2011-05-06 20:34:06 +00:00
Akira Hatanaka 23e8ecf125 Prevent instructions using $gp from being placed between a jalr and the instruction that restores the clobbered $gp. 
llvm-svn: 130847
 2011-05-04 17:54:27 +00:00
Akira Hatanaka 0e7ee666b7 Lower BlockAddress node when relocation-model is static. 
llvm-svn: 130131
 2011-04-25 17:10:45 +00:00
Akira Hatanaka e24891251c Reverse unnecessary changes made in r129606 and r129608. There is no change in functionality. 
llvm-svn: 129612
 2011-04-15 21:51:11 +00:00
Akira Hatanaka aef55c8801 Fix lines that have incorrect indentation or exceed 80 columns. There is no change in functionality. 
llvm-svn: 129606
 2011-04-15 21:00:26 +00:00
Akira Hatanaka 279169771b Add pass that expands pseudo instructions into target instructions after register allocation. Define pseudos that get expanded into mtc1 or mfc1 instructions. 
llvm-svn: 129594
 2011-04-15 19:52:08 +00:00
Chris Lattner 0ab5e2cded Fix a ton of comment typos found by codespell. Patch by 
Luis Felipe Strano Moraes!

llvm-svn: 129558
 2011-04-15 05:18:47 +00:00
Akira Hatanaka d6f1c58914 Fix handling of functions with internal linkage. 
llvm-svn: 129099
 2011-04-07 19:51:44 +00:00
Akira Hatanaka 5ec2ead9b0 Move transformation of JmpLink and related nodes done during instruction selection to Legalize phase. 
llvm-svn: 128830
 2011-04-04 17:11:07 +00:00
Akira Hatanaka 4111db6575 Undo changes mistakenly made in revision 128750. 
llvm-svn: 128751
 2011-04-02 00:26:12 +00:00
Akira Hatanaka 977f555a76 Insert space before ';' to prevent warnings. 
llvm-svn: 128750
 2011-04-02 00:15:58 +00:00
Akira Hatanaka 56d9ef53a2 Simplifies logic for printing target flags. 
llvm-svn: 128741
 2011-04-01 21:41:06 +00:00
Akira Hatanaka a535270d91 Added support for FP conditional move instructions and fixed bugs in handling of FP comparisons. 
llvm-svn: 128650
 2011-03-31 18:26:17 +00:00
Akira Hatanaka 4e9ca1b3ba fixed typo 
llvm-svn: 128574
 2011-03-30 21:15:35 +00:00
Chris Lattner 05a23b1e61 silence a conditional assignment -Wuninitialized warning. 
llvm-svn: 127453
 2011-03-11 02:12:51 +00:00
Bruno Cardoso Lopes 048ffabe78 Improve varags handling, with testcases. Patch by Sasa Stankovic 
llvm-svn: 127349
 2011-03-09 19:22:22 +00:00