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6768 Commits

Author SHA1 Message Date
Evan Cheng
d3dc2eefc2 .set pc relative displacement bug: label should be moved down one instruction 
to just before the add r1, pc:

Before:
        .set PCRELV0, (LJTI1_0_0-(LPCRELL0+4))
LPCRELL0:
        mov r1, #PCRELV0
        add r1, pc

Now:
        .set PCRELV0, (LJTI1_0_0-(LPCRELL0+4))
        mov r1, #PCRELV0
LPCRELL0:
        add r1, pc

llvm-svn: 33744
 2007-02-01 03:04:49 +00:00
Evan Cheng
eafe1f7bd9 Add a note. 
llvm-svn: 33743
 2007-02-01 02:46:20 +00:00
Evan Cheng
9f177f9058 Also set alignment of stack-based structs to 4 in thumb mode. 
llvm-svn: 33741
 2007-02-01 02:18:36 +00:00
Evan Cheng
439dcbedba Special epilogue for vararg functions. We cannot do a pop to pc because 
there follows a sp increment for the va register save region. Instead issue
a separate pop to another register, increment sp, and then return:
        pop {r4, r5, r6, r7}
        pop {r3}
        add sp, #3 * 4
        bx r3

llvm-svn: 33739
 2007-02-01 01:49:46 +00:00
Evan Cheng
9f87fca49c Pessmistically assume the .align 2 before the first constpool entry adds 
two bytes padding.

llvm-svn: 33734
 2007-02-01 01:09:47 +00:00
Evan Cheng
3d8d381600 Possible JT improvements. 
llvm-svn: 33733
 2007-02-01 01:07:48 +00:00
Chris Lattner
f4e5c29cb9 Fix CodeGen/PowerPC/2007-01-31-InlineAsmAddrMode.ll 
llvm-svn: 33732
 2007-02-01 00:39:08 +00:00
Evan Cheng
54a1324bae Don't emit unnecessary .align directive. 
llvm-svn: 33729
 2007-01-31 23:39:39 +00:00
Evan Cheng
765de99fac Handle an interesting corner case: the constpool_entry being reference is two 
instructions away, i.e. its address is equal to PC.
        %r0 = tLDRpci <cp#0>
        bx
        CONSTPOOL_ENTRY 0 <cp#0>, 4

llvm-svn: 33728
 2007-01-31 23:35:18 +00:00
Evan Cheng
082e441207 Don't want to add FramePtr to callee save spill list twice. 
llvm-svn: 33727
 2007-01-31 23:17:29 +00:00
Evan Cheng
457d429cab Darwin ABI requires FP to point to stack slot of prev FP. 
llvm-svn: 33724
 2007-01-31 22:25:33 +00:00
Evan Cheng
0ce094c7a8 Add entry. 
llvm-svn: 33723
 2007-01-31 22:11:38 +00:00
Evan Cheng
41bee13a0e Thumb add sp, #imm requires the immediate value be multiple of 4. For now, 
change preferred alignment of short, byte, bool to 4.

llvm-svn: 33722
 2007-01-31 22:08:40 +00:00
Evan Cheng
476cd5c2d1 Update comment. 
llvm-svn: 33721
 2007-01-31 22:06:44 +00:00
Evan Cheng
8596afac45 Dead comment. 
llvm-svn: 33719
 2007-01-31 21:31:25 +00:00
Evan Cheng
a08ef111bb Thumb asm syntax does not want 's' suffix for flag setting opcodes. 
llvm-svn: 33717
 2007-01-31 20:12:31 +00:00
Evan Cheng
1df8529721 When determining whether a pc relative branch / load displacement fits in the 
instruction field, adjust it for PC value (4 for thumb, 8 for arm).

llvm-svn: 33711
 2007-01-31 19:57:44 +00:00
Chris Lattner
084d1d8706 A relatively simple PPC optimization. 
llvm-svn: 33709
 2007-01-31 19:49:20 +00:00
Evan Cheng
f6e0e6cada Some comments. 
llvm-svn: 33707
 2007-01-31 18:29:27 +00:00
Evan Cheng
16edf4f9bf ConstPool island bug: watch out for cases where UserMI is the last MI of the BB. 
llvm-svn: 33706
 2007-01-31 18:19:07 +00:00
Lauro Ramos Venancio
e22bc8635e ARM fix: Miscompilation when frame pointer can't be eliminated. Uninitialized frame pointer register is used. 
llvm-svn: 33703
 2007-01-31 13:12:46 +00:00
Evan Cheng
608ad034b0 Specify the right CC for comparison libcalls. 
llvm-svn: 33702
 2007-01-31 09:30:58 +00:00
Evan Cheng
e5f5439313 Observe -soft-float. 
llvm-svn: 33699
 2007-01-31 08:40:13 +00:00
Evan Cheng
0ee9a27976 - Added Thumb constpool island support. 
- Islands are inserted right after the user MI since thumb LDR cannot encode
  negative offset.

llvm-svn: 33690
 2007-01-31 02:22:22 +00:00
Evan Cheng
26ee4f882b During PEI, if the immediate value of sp + offset is too large (i.e. something 
that would require > 3 instructions to materialize), load the immediate from a
constpool entry.

llvm-svn: 33667
 2007-01-30 23:01:46 +00:00
Evan Cheng
0f07707270 - Fix codegen for pc relative constant (e.g. JT) in thumb mode: 
.set PCRELV0, (LJTI1_0_0-(LPCRELL0+4))
LPCRELL0:
        add r1, pc, #PCRELV0
This is not legal since add r1, pc, #c requires the constant be a multiple of 4.
Do the following instead:
        .set PCRELV0, (LJTI1_0_0-(LPCRELL0+4))
LPCRELL0:
        mov r1, #PCRELV0
        add r1, pc

- In thumb mode, it's not possible to use .set generate a pc relative stub
  address. The stub is ARM code which is in a different section from the thumb
  code. Load the value from a constpool instead.
- Some asm printing clean up.

llvm-svn: 33664
 2007-01-30 20:37:08 +00:00
Reid Spencer
19af04a142 For PR1136: Rename GlobalVariable::isExternal as isDeclaration to avoid 
confusion with external linkage types.

llvm-svn: 33663
 2007-01-30 20:08:39 +00:00
Evan Cheng
5e0f0364d0 Copy and paste bug. 
llvm-svn: 33658
 2007-01-30 08:22:33 +00:00
Evan Cheng
3f02e5b1e7 Darwin -static should codegen static ctors / dtors to .constructor / .destructor sections. 
llvm-svn: 33657
 2007-01-30 08:04:53 +00:00
Evan Cheng
78628c7f32 Misseed thumb jumptable branch. 
llvm-svn: 33656
 2007-01-30 08:03:06 +00:00
Evan Cheng
d0ed3f753b In thumb mode, round up stack frame size to multiple of 4 since add/sub 
sp, imm instructions implicitly multiply the offset by 4.

llvm-svn: 33653
 2007-01-30 02:57:02 +00:00
Evan Cheng
36f03730d0 Thumb eliminateFrameIndex fixes. 
llvm-svn: 33652
 2007-01-30 02:36:01 +00:00
Evan Cheng
99a2f7d598 Change the operand orders to t_addrmode_s* to make it easier to morph 
instructions that use these address modes to instructions that use
t_addrmode_sp.

llvm-svn: 33651
 2007-01-30 02:35:32 +00:00
Evan Cheng
91ad06dd75 - In thumb mode, if size of MachineFunction is >= 2048, force LR to be 
spilled (if it is not already).
- If LR is spilled, use BL to implement far jumps. LR is not used as a GPR
  in thumb mode so it can be clobbered if it is properly spilled / restored
  in prologue / epilogue.
- If LR is force spilled but no far jump has been emitted, try undo'ing the
  spill by:
  push lr -> delete
  pop pc -> bx lr

llvm-svn: 33650
 2007-01-30 01:18:38 +00:00
Evan Cheng
a16118a6cf Use BL to implement Thumb far jumps. 
llvm-svn: 33649
 2007-01-30 01:13:37 +00:00
Evan Cheng
171943e26e Factor GetInstSize() out of constpool island pass. 
llvm-svn: 33644
 2007-01-29 23:45:17 +00:00
Jim Laskey
6f5d7d292f Only gather frame info if debug or eh. 
llvm-svn: 33639
 2007-01-29 23:20:22 +00:00
Nate Begeman
dc46021355 Finish off bug 680, allowing targets to custom lower frame and return 
address nodes.

llvm-svn: 33636
 2007-01-29 22:58:52 +00:00
Nate Begeman
32cbf413b6 We'd still like to register allocate r2 on darwin before the callee-save 
regs.

llvm-svn: 33635
 2007-01-29 22:57:48 +00:00
Jim Laskey
5fdc488d4a rename flag 
llvm-svn: 33634
 2007-01-29 22:40:03 +00:00
Evan Cheng
903e98b477 Comment. 
llvm-svn: 33633
 2007-01-29 22:23:02 +00:00
Evan Cheng
fe602cabee Remember if LR register has been spilled in this function. 
llvm-svn: 33632
 2007-01-29 22:22:24 +00:00
Anton Korobeynikov
2b2aa3f0a1 Save all registers by default, as they can be used to pass parameters 
for "inreg" calls

llvm-svn: 33631
 2007-01-29 21:28:01 +00:00
Nate Begeman
484e7a8b01 Update some of the llvm in the readme 
llvm-svn: 33630
 2007-01-29 21:21:22 +00:00
Jim Laskey
705f60ece9 Flag to control exception handling. 
llvm-svn: 33628
 2007-01-29 20:48:32 +00:00
Jim Laskey
eba0cf04e5 Landing pad-less eh for PPC. 
llvm-svn: 33622
 2007-01-29 18:51:14 +00:00
Reid Spencer
c0ebe17b6a Implement use of new IntrinsicLowering interface. 
llvm-svn: 33619
 2007-01-29 17:51:02 +00:00
Nick Lewycky
e788dc93d5 Fix compile error "jump to case label crosses initialization". 
What compiler are people using that accepts this code?

llvm-svn: 33603
 2007-01-28 15:39:16 +00:00
Anton Korobeynikov
611d5e2eda Propagate changes from my local tree. This patch includes: 
1. New parameter attribute called 'inreg'. It has meaning "place this
parameter in registers, if possible". This is some generalization of
gcc's regparm(n) attribute. It's currently used only in X86-32 backend.
2. Completely rewritten CC handling/lowering code inside X86 backend.
Merged stdcall + c CCs and fastcall + fast CC.
3. Dropped CSRET CC. We cannot add struct return variant for each
target-specific CC (e.g. stdcall + csretcc and so on).
4. Instead of CSRET CC introduced 'sret' parameter attribute. Setting in
on first attribute has meaning 'This is hidden pointer to structure
return. Handle it gently'.
5. Fixed small bug in llvm-extract + add new feature to
FunctionExtraction pass, which relinks all internal-linkaged callees
from deleted function to external linkage. This will allow further
linking everything together.

NOTEs: 1. Documentation will be updated soon.
       2. llvm-upgrade should be improved to translate csret => sret.
          Before this, there will be some unexpected test fails.
llvm-svn: 33597
 2007-01-28 13:31:35 +00:00
Bill Wendling
5b83c819ec Make d'tor out-of-line. 
llvm-svn: 33585
 2007-01-27 11:40:32 +00:00
Bill Wendling
9c7b0a19eb Return an X86ELFWriterInfo object. 
llvm-svn: 33574
 2007-01-27 02:56:16 +00:00
Bill Wendling
f5cec978ec X86 implementation of the TargetELFWriterInfo class. 
llvm-svn: 33571
 2007-01-27 02:54:30 +00:00
Evan Cheng
e0dc07a83f New entry. 
llvm-svn: 33569
 2007-01-27 02:33:22 +00:00
Evan Cheng
4618d3131c Thumb jumptable support. 
llvm-svn: 33568
 2007-01-27 02:29:45 +00:00
Evan Cheng
9805b66063 Thumb add / sub with carry. 
llvm-svn: 33562
 2007-01-27 00:07:15 +00:00
Lauro Ramos Venancio
f1f9f05230 Some asm directives fixes for ELF. 
Now we can compile llvm-gcc on arm-linux-gnueabi!

llvm-svn: 33558
 2007-01-26 23:24:43 +00:00
Nate Begeman
80d913651d Fix a spelling error 
llvm-svn: 33556
 2007-01-26 22:40:50 +00:00
Nate Begeman
481b84a66b Handle multiple functions, properly mangle symbols, and fix support for 
scattered relocations.

llvm-svn: 33555
 2007-01-26 22:39:48 +00:00
Evan Cheng
55455f0532 Represent tADDspi and tSUBspi as two-address instructions. 
llvm-svn: 33551
 2007-01-26 21:33:19 +00:00
Jim Laskey
64f4242072 Change the MachineDebugInfo to MachineModuleInfo to better reflect usage 
for debugging and exception handling.

llvm-svn: 33550
 2007-01-26 21:22:28 +00:00
Lauro Ramos Venancio
762787bed7 Fix Data16bitsDirective for ELF. 
llvm-svn: 33549
 2007-01-26 21:20:45 +00:00
Evan Cheng
2b4f267d57 Conditional branch being fixed up is not the last MI in the BB, there is a 
unconditional branch following it. Simply invert the condition and swap
destinations if the conditional branch can reach the destination of the
unconditional branch:
beq L1
b   L2
=>
bne L2
b   L1

llvm-svn: 33548
 2007-01-26 20:38:26 +00:00
Lauro Ramos Venancio
ea815a6137 If the constant pool value is a extern weak symbol, emit the weak reference. 
llvm-svn: 33543
 2007-01-26 19:51:32 +00:00
Evan Cheng
d0c39ef1ca extload -> zextload 
llvm-svn: 33542
 2007-01-26 19:13:16 +00:00
Jim Laskey
23ed7d2625 Make LABEL a builtin opcode. 
llvm-svn: 33537
 2007-01-26 14:34:52 +00:00
Reid Spencer
cec82ab067 For PR761: 
The Module::setEndianness and Module::setPointerSize methods have been
removed. Instead you can get/set the DataLayout. Adjust thise accordingly.

llvm-svn: 33530
 2007-01-26 08:11:39 +00:00
Reid Spencer
cca21cf060 For PR645: 
Remove the Function::renameLocalSymbols function as it is no longer
needed.

llvm-svn: 33522
 2007-01-26 08:01:30 +00:00
Evan Cheng
c81bceda82 SplitBlockBeforeInstr() insert a unconditional branch to the next BB. This 
is unnecessary when we are fixing up a conditional branch since we will be
adding a unconditional branch to the destination of the original branch.

llvm-svn: 33517
 2007-01-26 02:02:39 +00:00
Evan Cheng
c5a454b111 Need to scan the function for branches even if there aren't any constants. 
llvm-svn: 33515
 2007-01-26 01:04:44 +00:00
Evan Cheng
6a46a78547 Forgot to update this. 
llvm-svn: 33512
 2007-01-25 23:31:04 +00:00
Evan Cheng
a229bc12be Add comment, fix typo, reduce memory usage, etc. 
llvm-svn: 33510
 2007-01-25 23:18:59 +00:00
Evan Cheng
a47f2cc065 I am an idiot. 
llvm-svn: 33509
 2007-01-25 23:18:16 +00:00
Evan Cheng
970ed5d59f Fix comment. 
llvm-svn: 33508
 2007-01-25 22:48:25 +00:00
Evan Cheng
9009b02367 - Tell PEI that PPC will handle stack frame rounding itself. 
- Do not round up to max. alignment of stack object if it is > stack alignment.
  It will have to be handled with dynamic aligning code.

llvm-svn: 33505
 2007-01-25 22:25:04 +00:00
Lauro Ramos Venancio
a3788dc56b Fix elf object definition. 
llvm-svn: 33502
 2007-01-25 20:11:04 +00:00
Evan Cheng
7dccb7be86 Doh. Skip JT branches. 
llvm-svn: 33501
 2007-01-25 19:43:52 +00:00
Evan Cheng
d7c809c7be Added (preliminary) branch shortening capability to constantpool island pass. 
llvm-svn: 33497
 2007-01-25 03:12:46 +00:00
Evan Cheng
9d937d1065 Getting rid uses of evil std::set<> 
llvm-svn: 33496
 2007-01-25 03:07:27 +00:00
Chris Lattner
18aeb42a6f Fix test/CFrontend/2007-01-24-InlineAsmCModifier.c on X86. The %c modifier 
says that no $ prefix should be emitted on X86.

llvm-svn: 33495
 2007-01-25 02:53:24 +00:00
Chris Lattner
c3f461a03c Fix test/CFrontend/2007-01-24-InlineAsmCModifier.c on PPC 
llvm-svn: 33494
 2007-01-25 02:52:50 +00:00
Andrew Lenharth
42ced99f24 FTOIT and ITOFT are bit converts, and if we drop 21264s, are always available 
llvm-svn: 33492
 2007-01-24 21:09:16 +00:00
Jim Laskey
ba1dc7a8c7 Call frames for intel. 
llvm-svn: 33490
 2007-01-24 19:15:24 +00:00
Jim Laskey
ebaec45158 80 columns 
llvm-svn: 33489
 2007-01-24 18:50:57 +00:00
Jim Laskey
a67f14502d Repair debug frames as a prelude to eh_frames. Switched to using MachineMoves 
by value so that clean up is less confusing (these vectors tend to be small.)

llvm-svn: 33488
 2007-01-24 18:45:13 +00:00
Andrew Lenharth
fcb8af0f84 Fix unordered fp on alpha 
llvm-svn: 33487
 2007-01-24 18:43:14 +00:00
Chris Lattner
784201d1b9 Fix a misencoding of CBW and CWD. This fixes PR1030. 
llvm-svn: 33486
 2007-01-24 18:31:00 +00:00
Evan Cheng
c6db78ab84 Use PC relative ldr to load from a constantpool in Thumb mode. 
llvm-svn: 33484
 2007-01-24 08:53:17 +00:00
Bill Wendling
c0ecd3ff91 Make ivars private and use getters. Have the MachOWriter return "Mach-O 
Writer" for the pass name.

llvm-svn: 33483
 2007-01-24 07:13:56 +00:00
Evan Cheng
bfd7e70770 Renamed getTypeAlignmentShift() to getPreferredTypeAlignmentShift(). 
llvm-svn: 33482
 2007-01-24 07:03:39 +00:00
Bill Wendling
68d62e3a4c Add a field for and construction of the PPCMachOWriterInfo object. 
llvm-svn: 33480
 2007-01-24 03:41:36 +00:00
Bill Wendling
a34cc9d823 Move the getJTRelocation method out of here. 
llvm-svn: 33479
 2007-01-24 03:40:33 +00:00
Bill Wendling
24e03bd501 New "TargetMachOWriterInfo" class. It holds target-specific information 
that the MachOWriter needs in order to do its writing stuff 'n things.

llvm-svn: 33475
 2007-01-24 03:36:05 +00:00
Evan Cheng
1630c86beb Allow [ fi#c, imm ] as ARM load / store addresses. 
llvm-svn: 33474
 2007-01-24 02:45:25 +00:00
Evan Cheng
fa613cdd06 Various Thumb mode load / store isel bug fixes. 
llvm-svn: 33472
 2007-01-24 02:21:22 +00:00
Evan Cheng
5f947e4e2f - Reorg Thumb load / store instructions. Combine each rr and ri pair of 
instructions into one (e.g. tLDRrr, tLDRri -> tLDR).
- Thumb ldrsb and ldrsh only have the [reg, reg] address format. If the
  address is not an add, materialize a 0 immediate into a register and use
  it as the offset field.

llvm-svn: 33470
 2007-01-23 22:59:13 +00:00
Evan Cheng
dc97533dd3 Darwin HiddenDirective is .private_extern. 
llvm-svn: 33465
 2007-01-23 19:06:03 +00:00
Evan Cheng
b6a4a7f72a PEI is now responsible for adding MaxCallFrameSize to frame size and align the stack. Each target can further adjust the frame size if necessary. 
llvm-svn: 33460
 2007-01-23 09:38:11 +00:00
Evan Cheng
d9d93832b0 hasFP() is now a virtual method of MRegisterInfo. 
llvm-svn: 33455
 2007-01-23 00:57:47 +00:00
Evan Cheng
25584afca7 ARM AAPCS abi (Linux, etc.) requires 8-byte double / long alignment; Mac 
requires 4-bytes alignment.

llvm-svn: 33448
 2007-01-22 23:13:01 +00:00
Evan Cheng
c76a2c6c18 Double and long preferred alignment set to 8 bytes. 
llvm-svn: 33447
 2007-01-22 23:11:06 +00:00
Evan Cheng
8de7964067 Double and long preferred alignment is 8 byte. 
llvm-svn: 33446
 2007-01-22 23:09:50 +00:00
Evan Cheng
ab307e2180 - getTypeAlignmentShift() should be returning preferred alignment, not ABI 
alignment.
- getPreferredAlignmentLog(): remove Double special case.

llvm-svn: 33445
 2007-01-22 23:08:19 +00:00
Evan Cheng
818c6bdfa2 Linux GOT indirect reference is only necessary in PIC mode. 
llvm-svn: 33441
 2007-01-22 21:34:25 +00:00
Evan Cheng
b55dabdc80 Double and Long preferred alignment is 4 for Darwin, 8 for Linux. 
llvm-svn: 33440
 2007-01-22 21:24:13 +00:00
Evan Cheng
30ef170ddf Use bl to call Thumb fuctions directly. 
llvm-svn: 33433
 2007-01-22 19:40:10 +00:00
Chris Lattner
601692407e add a note 
llvm-svn: 33423
 2007-01-21 07:03:37 +00:00
Reid Spencer
c5140714bc Implement a getTypeSizeInBits method. This helps in transforms that want 
to ensure the bit size of a type is identical before proceeding.

llvm-svn: 33413
 2007-01-20 23:32:04 +00:00
Owen Anderson
4de8fa6334 TargetData assumes (and some regression tests depend on it) that the size of 
an unspecified datatype in the datalayout is capped by the size of a pointer.

llvm-svn: 33411
 2007-01-20 23:07:13 +00:00
Chris Lattner
86af1504b4 trivial cleanup 
llvm-svn: 33410
 2007-01-20 22:39:15 +00:00
Chris Lattner
9df9e3e57b Teach TargetData to handle 'preferred' alignment for each target, and use 
these alignment amounts to align scalars when we can.  Patch by Scott Michel!

llvm-svn: 33409
 2007-01-20 22:35:55 +00:00
Evan Cheng
6271410520 Round up stack to multiple of alignment only if it's a leaf function without alloca. 
llvm-svn: 33401
 2007-01-20 10:22:33 +00:00
Evan Cheng
174826c1b9 One more try... 
llvm-svn: 33400
 2007-01-20 10:17:53 +00:00
Evan Cheng
672910d722 Last check-in was bogus. There is no need to align the stack if the function is a leaf function (and without alloca). 
llvm-svn: 33399
 2007-01-20 10:11:56 +00:00
Evan Cheng
5ea6a8d9e4 Prologue and epilogue bugs for non-Darwin targets. 
llvm-svn: 33390
 2007-01-20 03:24:07 +00:00
Evan Cheng
a6803554ab Clean up ARM PEI code. 
llvm-svn: 33389
 2007-01-20 02:09:25 +00:00
Evan Cheng
5807fbc934 Backend is reponsible for aligning the stack. 
llvm-svn: 33388
 2007-01-20 02:08:16 +00:00
Reid Spencer
14b42c0040 For PR1043: 
This is the final patch for this PR. It implements some minor cleanup
in the use of IntegerType, to wit:
1. Type::getIntegerTypeMask -> IntegerType::getBitMask
2. Type::Int*Ty changed to IntegerType* from Type*
3. ConstantInt::getType() returns IntegerType* now, not Type*

This also fixes PR1120.

Patch by Sheng Zhou.

llvm-svn: 33370
 2007-01-19 21:13:56 +00:00
Evan Cheng
5d0be572b5 Code clean up. Use def : pat instead of defining new instructions. 
llvm-svn: 33368
 2007-01-19 20:27:35 +00:00
Evan Cheng
51292f4863 isDarwin -> isTargetDarwin 
llvm-svn: 33366
 2007-01-19 19:28:01 +00:00
Evan Cheng
99725bd310 Restructure code a bit to make use of continue (simplifying things). Generalize 
the .zerofill directive emission to not be darwin-specific.

llvm-svn: 33365
 2007-01-19 19:25:36 +00:00
Evan Cheng
025816f18c Darwin doesn't support .bss, but it does have .zerofill 
llvm-svn: 33364
 2007-01-19 19:23:47 +00:00
Evan Cheng
b1a4190523 Introduce TargetType's ELF and Darwin. 
llvm-svn: 33363
 2007-01-19 19:22:40 +00:00
Evan Cheng
9203bd4339 Modify emission of jump tables on darwin to emit an extra "l" label that 
delimits the boundaries of jump tables.  This lets the linker's dead code
stripping optimization do a better job.

llvm-svn: 33362
 2007-01-19 18:59:56 +00:00
Lauro Ramos Venancio
f53f62b91d Fix section definition. 
llvm-svn: 33359
 2007-01-19 17:33:22 +00:00
Evan Cheng
c6e1d453d3 ARM backend contribution from Apple. 
llvm-svn: 33353
 2007-01-19 07:51:42 +00:00
Nick Lewycky
b8c2b60bb5 Needed to build on PPC Linux. 
llvm-svn: 33352
 2007-01-19 04:36:02 +00:00
Evan Cheng
f6b1a88a1a - Target PIC style is no longer affected by relocation model. 
- In x86-64 mode, symbols with external linkage (not just symbols which are
  defined externally) requires GOT indirect reference.
- Stylistic code clean up.

llvm-svn: 33345
 2007-01-18 22:27:12 +00:00
Chris Lattner
54dac5f09e move contents of PR587 to here. 
llvm-svn: 33333
 2007-01-18 07:34:57 +00:00
Bill Wendling
62dff8125a The zerofill directive needs a newline after it. 
llvm-svn: 33327
 2007-01-18 02:30:19 +00:00
Evan Cheng
7ff918163b Minor code clean up. 
llvm-svn: 33323
 2007-01-18 01:49:58 +00:00
Bill Wendling
af4f1b8791 Have the OutputBuffer take the is64Bit and isLittleEndian booleans. 
llvm-svn: 33316
 2007-01-18 01:23:11 +00:00
Chris Lattner
770735e1ca Modify emission of jump tables on darwin to emit an extra "l" label that 
delimits the boundaries of jump tables.  This lets the linker's dead code
stripping optimization do a better job.

llvm-svn: 33315
 2007-01-18 01:15:58 +00:00
Chris Lattner
e0c1ba6269 add new JumpTableSpecialLabelPrefix hook to asmprinter for jumptable emission. 
llvm-svn: 33314
 2007-01-18 01:12:56 +00:00
Bill Wendling
9306626c66 Changed to use the OutputBuffer instead of the methods in MachO and ELF 
writers.

llvm-svn: 33311
 2007-01-17 22:22:31 +00:00
Chris Lattner
cea9f391af restructure code a bit to make use of continue (simplifying things). Generalize 
the .zerofill directive emission to not be darwin-specific

llvm-svn: 33304
 2007-01-17 17:44:25 +00:00
Chris Lattner
5f4435800e darwin doesn't support .bss, but it does have .zerofill 
llvm-svn: 33303
 2007-01-17 17:43:33 +00:00
Chris Lattner
1a2c170bc4 add new directive 
llvm-svn: 33302
 2007-01-17 17:42:42 +00:00
Anton Korobeynikov
2509765bef * Fix one more bug in PIC codegen: extra load is needed for *all* 
non-statics.
* Introduce new option to output zero-initialized data to .bss section.
This can reduce size of binaries. Enable it by default for ELF &
Cygwin/Mingw targets. Probably, Darwin should be also added.

llvm-svn: 33299
 2007-01-17 10:33:08 +00:00
Bill Wendling
6cf6bb2d24 Revert patch. 
llvm-svn: 33298
 2007-01-17 09:06:13 +00:00
Bill Wendling
60dcce11c7 Create the specified TargetObjInfo and use it. 
llvm-svn: 33291
 2007-01-17 03:51:37 +00:00
Bill Wendling
dafa644e4d Create/store/and delete the TargetObjInfo object. 
llvm-svn: 33290
 2007-01-17 03:50:41 +00:00
Bill Wendling
5789edd7f5 New "TargetObjInfo" class. This holds information that the object writers will 
use to write things to the file. It's abstract so each target should implement
its own version for each writer type.

llvm-svn: 33286
 2007-01-17 03:46:30 +00:00
Anton Korobeynikov
47f343edc3 Missed "<" :) 
llvm-svn: 33265
 2007-01-16 20:22:18 +00:00
Anton Korobeynikov
9b380c56f2 Cleanup. Comments added. 
llvm-svn: 33260
 2007-01-16 18:23:09 +00:00
Chris Lattner
c102e8919b Fix SMG2000 with the CBE: opaque types need names too. 
llvm-svn: 33258
 2007-01-16 18:02:45 +00:00
Chris Lattner
30cef1024d document some subtlety 
llvm-svn: 33257
 2007-01-16 17:51:40 +00:00
Anton Korobeynikov
8fbc09843e Emit symbol type information for ELF/COFF targets 
llvm-svn: 33256
 2007-01-16 16:41:57 +00:00
Bill Wendling
efde03bbf6 Instead of yet another enum indicating the "assembly language flavor", 
just use the one that's in the subtarget.

llvm-svn: 33255
 2007-01-16 09:29:17 +00:00
Chris Lattner
de9ba0fdb4 Fix PR918 by only using typedefs to name struct types. This makes the later 
type ordering stuff work better.  This fixes PR918 and
CodeGen/CBackend/2007-01-15-NamedArrayType.ll

Patch by Gordon Henriksen.

llvm-svn: 33254
 2007-01-16 07:22:23 +00:00
Chris Lattner
06f52d3e1e add a note: we need whole-function selectiondags :) 
llvm-svn: 33252
 2007-01-16 06:39:48 +00:00
Bill Wendling
08272a2fa6 Make inline ASM the INTEL one if it's in that emission mode. 
llvm-svn: 33247
 2007-01-16 04:13:03 +00:00
Bill Wendling
cfdd717db5 Fix for PR1095: 
LLVM would miscompile ASM dialects when compiling for PPC. Added dialects for
the X86 and PPC backends. It defaults to "0", the first variant of a compound
inline asm expression.

llvm-svn: 33246
 2007-01-16 03:42:04 +00:00
Chris Lattner
851b9e93a2 add some notes 
llvm-svn: 33228
 2007-01-15 06:25:39 +00:00
Chris Lattner
c5e1611848 rename Type::isIntegral to Type::isInteger, eliminating the old Type::isInteger. 
rename Type::getIntegralTypeMask to Type::getIntegerTypeMask.

This makes naming much more consistent.  For example, there are now no longer any
instances of IntegerType that are not considered isInteger! :)

llvm-svn: 33225
 2007-01-15 02:27:26 +00:00
Chris Lattner
bf132d8342 Make use of isInteger vs isIntegral more explicit 
llvm-svn: 33216
 2007-01-15 01:48:11 +00:00
Anton Korobeynikov
9398ef2167 No hidden visiblity on Mingw32/Cygwin 
llvm-svn: 33202
 2007-01-14 11:49:39 +00:00
Chris Lattner
69b1c31416 add support for hidden visibility to darwin/ppc and linux/ppc targets 
llvm-svn: 33200
 2007-01-14 06:37:54 +00:00
Chris Lattner
f43ad084b8 add support for hidden visibility to darwin/x86 
llvm-svn: 33198
 2007-01-14 06:29:53 +00:00
Chris Lattner
a8f6e90cac add a new HiddenDirective member for handling visibility. 
llvm-svn: 33197
 2007-01-14 06:27:21 +00:00
Chris Lattner
716c76605c add a missing else. This caused globals to be printed as: 
movq ___dso_handle@GOTPCREL(%rip)(%rip), %rsi

instead of:
        movq ___dso_handle@GOTPCREL(%rip), %rsi

llvm-svn: 33196
 2007-01-14 06:08:14 +00:00
Chris Lattner
3560a9f595 darwin doesn't use .hidden. Disable this until we fix it right. 
llvm-svn: 33191
 2007-01-14 00:50:56 +00:00
Chris Lattner
a4d48724af Fix PR1103 and Regression/CodeGen/X86/2007-01-13-StackPtrIndex.ll 
llvm-svn: 33189
 2007-01-14 00:13:07 +00:00
Chris Lattner
937b09c54a remove dead code, frameindices must be resolve before the asmprinter runs. 
llvm-svn: 33187
 2007-01-13 23:59:03 +00:00
Reid Spencer
5a42897aca Remove this file. It was inadvertently added because I could not find 
TargetLowering.cpp in CodeGen/SelectionDAG (location makes no sense to me)

llvm-svn: 33160
 2007-01-12 23:32:11 +00:00
Chris Lattner
657e08b994 remove over-general code. 
llvm-svn: 33157
 2007-01-12 23:28:32 +00:00
Reid Spencer
09efdecc2d Adjust #includes to compensate for lost of DerivedTypes.h in 
TargetLowering.h

llvm-svn: 33154
 2007-01-12 23:22:14 +00:00
Reid Spencer
baff834435 Add a new home for TargetLowering member functions. 
llvm-svn: 33152
 2007-01-12 23:18:18 +00:00
Chris Lattner
bc884d406d remove obsolete fixme 
llvm-svn: 33151
 2007-01-12 22:52:50 +00:00
Lauro Ramos Venancio
14cf9f2c03 Don't add or sub zero to sp. 
llvm-svn: 33142
 2007-01-12 20:52:27 +00:00
Lauro Ramos Venancio
97e120a71c Build constants using instructions mov/orr or mvn/eor. 
llvm-svn: 33141
 2007-01-12 20:35:49 +00:00
Anton Korobeynikov
548b9af9c2 * PIC codegen for X86/Linux has been implemented 
* PIC-aware internal structures in X86 Codegen have been refactored
* Visibility (default/weak) has been added
* Docs fixes (external weak linkage, visibility, formatting)

llvm-svn: 33136
 2007-01-12 19:20:47 +00:00
Evan Cheng
0241c4a0b5 Comment. 
llvm-svn: 33114
 2007-01-12 07:25:16 +00:00
Reid Spencer
373d2bccea For PR1064: 
Implement the arbitrary bit-width integer feature. The feature allows
integers of any bitwidth (up to 64) to be defined instead of just 1, 8,
16, 32, and 64 bit integers.

This change does several things:
1. Introduces a new Derived Type, IntegerType, to represent the number of
   bits in an integer. The Type classes SubclassData field is used to
   store the number of bits. This allows 2^23 bits in an integer type.
2. Removes the five integer Type::TypeID values for the 1, 8, 16, 32 and
   64-bit integers. These are replaced with just IntegerType which is not
   a primitive any more.
3. Adjust the rest of LLVM to account for this change.

Note that while this incremental change lays the foundation for arbitrary
bit-width integers, LLVM has not yet been converted to actually deal with
them in any significant way. Most optimization passes, for example, will
still only deal with the byte-width integer types.  Future increments
will rectify this situation.

llvm-svn: 33113
 2007-01-12 07:05:14 +00:00
Reid Spencer
3d986f6487 Implement review feedback for the ConstantBool->ConstantInt merge. Chris 
recommended that getBoolValue be replaced with getZExtValue and that
get(bool) be replaced by get(const Type*, uint64_t). This implements
those changes.

llvm-svn: 33110
 2007-01-12 04:24:46 +00:00
Reid Spencer
f3265181e2 Rename BoolTy as Int1Ty. Patch by Sheng Zhou. 
llvm-svn: 33076
 2007-01-11 18:21:29 +00:00
Zhou Sheng
23d24526b2 For PR1043: 
Merge ConstantIntegral and ConstantBool into ConstantInt.
Remove ConstantIntegral and ConstantBool from LLVM.

llvm-svn: 33073
 2007-01-11 12:24:14 +00:00
Reid Spencer
e6d962e729 Change the file header name as this file was renamed. 
llvm-svn: 33051
 2007-01-10 04:17:32 +00:00
Reid Spencer
b808cbe40b Rename Writer.cpp as CBackend.cpp so it doesn't conflict with Writer.cpp 
in the bytecode writer library. This helps with debugging.

llvm-svn: 33050
 2007-01-10 04:16:17 +00:00
Reid Spencer
b4f3c47095 For PR1099: 
Invert the "isSigned" logic in calls to printType and printPrimitiveType.
We want variables to be declared unsigned by default so that signless
operators like + and - perform the unsigned operation that LLVM expects
by default. Parameters with the sext attribute will be declared signed and
signed instructions will case operand values to signed regardless of the
type of the variable. This passes all tests and fixes PR1099.

llvm-svn: 33039
 2007-01-09 17:09:09 +00:00
Reid Spencer
76d79c7040 For PR1099: 
Partial fix for this PR. Default function parameters to signed integer, just
like everything else in CBE. The bug was caused by incorrectly introducing
parameter attributes feature by choosing "signed" parameter if the
SExtAttribute was specified. Howeer, if no attribute is specified, this
causes it to become unsigned which is incorrect. Reversing the logic so
that signedness is detected by "not ZExtAttribute" set fixes the issue.

This fixes 197.parser but there is more to do. Any comparison and possibly
other operators involving arguments may need to correctly cast the parameter
before its use, depending on the sign of the operator.

llvm-svn: 33034
 2007-01-09 06:38:06 +00:00
Reid Spencer
1f80d735e2 For PR1090: 
Clean up the definitions of the helper functions per Chris' review
suggestions so they are easier to read.

For PR1091:
Print minimum signed integer values as unsigned so that we get no warnings
from the C compiler about constant ranges and value comparisons.

llvm-svn: 33010
 2007-01-08 08:00:00 +00:00
Reid Spencer
1a8a0762a5 Fix PR1090: 
Implemented some llvm_fcmp_{pred} functions at the start of the function bodies
and use them for fcmp instructions and constant expressions. These help
implement the ordered and unordered comparisons necessary for correct exectuion
of these comparisons.

llvm-svn: 33007
 2007-01-08 06:58:32 +00:00
Chris Lattner
a62936ee6f relax type 
llvm-svn: 32983
 2007-01-07 07:24:32 +00:00
Reid Spencer
9fae72ee14 For PR1086: 
Parameter attributes do have to be specially handled in the CBE. Implement
their handling.

llvm-svn: 32976
 2007-01-07 03:24:48 +00:00
Anton Korobeynikov
874aaaa34a As PR1085 was fixed, back out workaround 
llvm-svn: 32969
 2007-01-07 00:41:20 +00:00
Chris Lattner
a346ea7b29 Disable the macho writer until it is 100% functional. Enabling it when 
broken invites bug reports.

llvm-svn: 32961
 2007-01-06 22:27:58 +00:00
Anton Korobeynikov
fdd778278f gcc often inserts it's own names for sections (e.g. 
gnu.linkonce.t.FunctionName). Convert them to "normal" LLVM names,
otherwise linker won't be able to merge them.

llvm-svn: 32958
 2007-01-06 18:24:26 +00:00
Reid Spencer
cdaf88ff9d For PR411: 
Take an incremental step towards type plane elimination. This change
separates types from values in the symbol tables by finally making use
of the TypeSymbolTable class. This yields more natural interfaces for
dealing with types and unclutters the SymbolTable class.

llvm-svn: 32956
 2007-01-06 07:24:44 +00:00
Chris Lattner
aed0e0292b new note 
llvm-svn: 32945
 2007-01-06 01:30:45 +00:00
Evan Cheng
5ba049eabf setSetCCIsExpensive is gone. 
llvm-svn: 32941
 2007-01-05 23:42:53 +00:00
Evan Cheng
df277336b8 - FCOPYSIGN custom lowering bug. Clear the sign bit of operand 0 first before 
or'ing in the sign bit of operand 1.
- Tweaking: rather than left shift the sign bit, fp_extend operand 1 first
  before taking its sign bit if its type is smaller than that of operand 0.

llvm-svn: 32932
 2007-01-05 21:37:56 +00:00
Evan Cheng
c273c9c830 Typo 
llvm-svn: 32902
 2007-01-05 08:32:24 +00:00
Evan Cheng
bcf3d2bd15 With SSE2, expand FCOPYSIGN to a series of SSE bitwise operations. 
llvm-svn: 32900
 2007-01-05 07:55:56 +00:00
Lauro Ramos Venancio
078b85bdaa Expand SELECT (f32/f64) and FCOPYSIGN (f32/f64). 
llvm-svn: 32870
 2007-01-04 14:01:38 +00:00
Chris Lattner
aaafc3d16b fix testcase. It's not safe to strictly evaluate a load that should be lazy. 
llvm-svn: 32842
 2007-01-03 19:12:31 +00:00
Chris Lattner
a3f7277e2e Private labels start with .L on linux, not just . 
llvm-svn: 32841
 2007-01-03 18:16:48 +00:00
Reid Spencer
c2da5d3d97 Fix a comment that referred to the now defunct ubyte type. 
llvm-svn: 32840
 2007-01-03 17:24:59 +00:00
Reid Spencer
741b64d1ca Remove two useless bit casts. 
llvm-svn: 32839
 2007-01-03 17:24:11 +00:00
Anton Korobeynikov
2b39939053 Really big cleanup. 
- New target type "mingw" was introduced
- Same things for both mingw & cygwin are marked as "cygming" (as in
gcc)
- .lcomm is supported here, so allow LLVM to use it
- Correctly use underscored versions of setjmp & _longjmp for both mingw
& cygwin

llvm-svn: 32833
 2007-01-03 11:43:14 +00:00
Evan Cheng
bd6a333b52 Fix naming inconsistency. 
llvm-svn: 32823
 2007-01-02 21:33:40 +00:00
Rafael Espindola
d1baea3471 implement missing compares 
patch by Lauro
bug fixed by me

llvm-svn: 32795
 2006-12-31 18:52:39 +00:00
Reid Spencer
dda168599d For PR950: 
Three changes:
1. Convert signed integer types to signless versions.
2. Implement the @sext and @zext parameter attributes. Previously the
   type of an function parameter was used to determine whether it should
   be sign extended or zero extended before the call. This information is
   now communicated via the function type's parameter attributes.
3. The interface to LowerCallTo had to be changed in order to accommodate
   the parameter attribute information. Although it would have been
   convenient to pass in the FunctionType itself, there isn't always one
   present in the caller. Consequently, a signedness indication for the
   result type and for each parameter was provided for in the interface
   to this method. All implementations were changed to make the adjustment
   necessary.

llvm-svn: 32788
 2006-12-31 05:55:36 +00:00
Rafael Espindola
16af307d42 fix comment 
llvm-svn: 32767
 2006-12-29 14:28:12 +00:00
Lauro Ramos Venancio
c87ce8ee4b Define StaticCtorsSection and StaticDtorsSection for ARM. 
llvm-svn: 32763
 2006-12-28 13:13:00 +00:00
Lauro Ramos Venancio
7bfe536783 Implement SELECT_CC (f32/f64) for ARM. 
llvm-svn: 32762
 2006-12-28 13:11:14 +00:00
Rafael Espindola
da5b9584ce remove duplicated line 
bug noticed by Lauro

llvm-svn: 32761
 2006-12-28 12:51:40 +00:00
Lauro Ramos Venancio
2cde823f98 This patch defines extloadi1 and fixes an internal compiler error on 
arm.

llvm-svn: 32760
 2006-12-26 19:30:42 +00:00
Reid Spencer
4428c3483b For PR950: 
This patch removes the SetCC instructions and replaces them with the ICmp
and FCmp instructions. The SetCondInst instruction has been removed and
been replaced with ICmpInst and FCmpInst.

llvm-svn: 32751
 2006-12-23 06:05:41 +00:00
Anton Korobeynikov
3a6faf0b96 Refactored JIT codegen for mingw32. Now we're using standart relocation 
type for distinguish JIT & non-JIT instead of "dirty" hacks :)

llvm-svn: 32745
 2006-12-22 22:29:05 +00:00
Chris Lattner
f04c00f475 add a note 
llvm-svn: 32741
 2006-12-22 01:03:22 +00:00
Chris Lattner
fd16bf61d8 Fix for ARM weak symbols, patch by Lauro Ramos Venancio! 
llvm-svn: 32740
 2006-12-21 22:59:58 +00:00
Jim Laskey
80eeff2d0d Changes from Nick Lewycky with a simplified PPCTargetAsmInfo. 
llvm-svn: 32735
 2006-12-21 20:26:09 +00:00
Jim Laskey
7cbf5d885e Oops. 
llvm-svn: 32724
 2006-12-20 21:35:00 +00:00
Jim Laskey
74097d8025 Original patch was overly complicated. 
llvm-svn: 32723
 2006-12-20 21:33:34 +00:00
Jim Laskey
6f0a54bd18 Changes to target powerpc for non-Darwin assemblers. 
1. Patches from Nick Lewycky.
2. Code to filter register names and print them as numeric values on
non-Darwin systems.

llvm-svn: 32721
 2006-12-20 20:56:46 +00:00
Anton Korobeynikov
df6487d069 Fixed 80 cols & style violation 
llvm-svn: 32720
 2006-12-20 20:40:30 +00:00
Anton Korobeynikov
76dbbd6e24 Fixed dllimported symbols support during JIT'ing. JIT on mingw32 
platform should be more or less workable. At least, sim is running fine
under lli :)

llvm-svn: 32711
 2006-12-20 01:03:20 +00:00
Chris Lattner
8896b6cb46 eliminate static ctors for Statistic objects. 
llvm-svn: 32703
 2006-12-19 22:59:26 +00:00
Evan Cheng
f5c9f4c3c9 Fix for PR1062 by Dan Gohman. 
llvm-svn: 32688
 2006-12-19 21:31:42 +00:00
Anton Korobeynikov
391dc74af0 Fix for PR1059: http://llvm.org/PR1059 
llvm-svn: 32685
 2006-12-19 21:04:20 +00:00
Chris Lattner
5e52d6c0da The x86-64 target machine should be used for amd64-* target triples. 
llvm-svn: 32678
 2006-12-19 19:40:09 +00:00
Chris Lattner
26f8533c7f Fix PR1061 and CodeGen/X86/2006-12-19-IntelSyntax.ll 
llvm-svn: 32676
 2006-12-19 19:29:58 +00:00
Rafael Espindola
05b3447706 macros -> Inline functions 
Lauros's patch

llvm-svn: 32656
 2006-12-18 11:07:09 +00:00
Rafael Espindola
08c0825f18 move ExtWeakSymbols to AsmPrinter 
llvm-svn: 32648
 2006-12-18 03:37:18 +00:00
Reid Spencer
0cb59889d2 Use a predicate function to identify bitcast of fp and integer instead of 
repeating the logic in two different parts of the code.

llvm-svn: 32643
 2006-12-17 20:24:50 +00:00
Reid Spencer
85f67cbc7a Fix PR1058: 
Generate the BITCAST_TEMPORARY regardless of the uses or inlinability of
the instruction. This temporary is needed to perform the instruction, not
provide storage for its results.

llvm-svn: 32642
 2006-12-17 18:50:51 +00:00
Chris Lattner
e223919df1 Apply B. Scott Michel's patch for PR1054, thanks! 
llvm-svn: 32630
 2006-12-16 20:23:42 +00:00
Jim Laskey
1507a869b2 Patterns no longer needed due to fix in the DAG combiner. 
llvm-svn: 32612
 2006-12-15 21:39:31 +00:00
Evan Cheng
32c45fa21e Some AT&T syntax assembler (e.g. Mac OS X) does not recognize the movq alias for i64 <-> XMM moves. 
llvm-svn: 32609
 2006-12-15 19:58:58 +00:00
Jim Laskey
e1216497dc Not all test cases are created equal. This fix is needed. 
llvm-svn: 32605
 2006-12-15 18:51:01 +00:00
Jim Laskey
0641795154 Not needed. Misinterpreted error message from other bug (Missing load/store 
relocations.)

llvm-svn: 32604
 2006-12-15 18:45:32 +00:00
Jim Laskey
b07d89090c Missing load/store relocations. 
llvm-svn: 32601
 2006-12-15 16:44:10 +00:00
Jim Laskey
d00589fefd Provide 64-bit support for i64 sextload<i8>. 
llvm-svn: 32600
 2006-12-15 14:34:11 +00:00
Jim Laskey
721e7d2129 Provide support for FP_TO_UINT. 
llvm-svn: 32599
 2006-12-15 14:32:57 +00:00
Evan Cheng
c24bf8bd87 This is done. 
llvm-svn: 32591
 2006-12-15 05:50:39 +00:00
Evan Cheng
5effab79f3 f64 <-> i64 bit_convert using movq in 64-bit mode. 
llvm-svn: 32587
 2006-12-14 21:55:39 +00:00
Evan Cheng
4529b8cf2e Fix a couple of typo's. 
llvm-svn: 32585
 2006-12-14 19:46:06 +00:00
Evan Cheng
6100c83f79 This is done. 
llvm-svn: 32584
 2006-12-14 19:45:32 +00:00
Evan Cheng
9918e7780a Added MOVSS2DIrr and MOVDI2SSrr to foldMemeoryOperand(). 
llvm-svn: 32583
 2006-12-14 19:44:45 +00:00
Evan Cheng
4dc2f8e9bb - Rename MOVDSS2DIrr to MOVSS2DIrr for consistency sake. 
- Add MOVDI2SSrm and MOVSS2DImr to fold load / store for i32 <-> f32 bit_convert
  patterns.

llvm-svn: 32582
 2006-12-14 19:43:11 +00:00
Rafael Espindola
d19ea53887 avoid using a constant table when a constant can be used inline 
llvm-svn: 32580
 2006-12-14 18:58:37 +00:00
Rafael Espindola
0d92ae76fb Avoid creating invalid sub/add instructions on the prolog/epilog 
patch by Lauro

llvm-svn: 32577
 2006-12-14 13:31:27 +00:00
Evan Cheng
504fec49b1 Add note. 
llvm-svn: 32561
 2006-12-13 20:59:43 +00:00
Jim Laskey
ac064e92da Honor cpu directive, take two. 
llvm-svn: 32492
 2006-12-12 20:57:08 +00:00
Jim Laskey
b039172d58 Rollback changes to take a different tack. 
llvm-svn: 32488
 2006-12-12 19:26:50 +00:00
Rafael Espindola
7c4245c4e3 more general matching of the MVN instruction 
llvm-svn: 32484
 2006-12-12 17:10:13 +00:00
Jim Laskey
8a5cea99ed Honor the command line specification for machine type. 
llvm-svn: 32483
 2006-12-12 16:07:33 +00:00
Rafael Espindola
a65fd68f23 don't use "ordinary" addressing mode 1 when mvn is appropriate 
llvm-svn: 32482
 2006-12-12 14:03:29 +00:00
Jim Laskey
18b1edb10d Reduce number of instructions to load 64-bit constants. 
llvm-svn: 32481
 2006-12-12 13:23:43 +00:00
Reid Spencer
562b83c7df Change inferred getCast into specific getCast. Passes all tests. 
llvm-svn: 32469
 2006-12-12 05:05:00 +00:00