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324 Commits

Author SHA1 Message Date
Hal Finkel
9f9f8929ee Add instruction itinerary for the PPC64 A2 core. 
This adds a full itinerary for IBM's PPC64 A2 embedded core. These
cores form the basis for the CPUs in the new IBM BG/Q supercomputer.

llvm-svn: 153842
 2012-04-01 19:22:40 +00:00
Craig Topper
b25fda95f6 Reorder includes in Target backends to following coding standards. Remove some superfluous forward declarations. 
llvm-svn: 152997
 2012-03-17 18:46:09 +00:00
Roman Divacky
34d4b9682b Properly MCize the section switch, removing a FIXME. 
llvm-svn: 151639
 2012-02-28 18:15:25 +00:00
Roman Divacky
8fe40cd659 Reapply r151278 with fixes. 
MCize function entry label emission on PowerPC64 properly.

llvm-svn: 151547
 2012-02-27 20:20:47 +00:00
Hal Finkel
6fd2b434bd Revert r151278, breaks static linking. 
Reverting this because it breaks static linking on ppc64. Specifically, it may be linkonce_odr functions that are the problem.
With this patch, if you link statically, calls to some functions end up calling their descriptor addresses instead
of calling to their entry points. This causes the execution to fail with SIGILL (b/c the descriptor address just
has some pointers, not code).

llvm-svn: 151433
 2012-02-25 03:40:11 +00:00
Roman Divacky
a2d3608f78 MCize function entry label emission on PowerPC64 properly. 
llvm-svn: 151278
 2012-02-23 20:28:39 +00:00
Hal Finkel
ad4d9f5848 Allow the use of an alternate symbol for calculating a function's size. 
The standard function epilog includes a .size directive, but ppc64 uses
an alternate local symbol to tag the actual start of each function.

Until recently, binutils accepted the .size directive as:
 .size	test1, .Ltmp0-test1
however, using this directive with recent binutils will result in the error:
 .size expression for XXX does not evaluate to a constant
so we must use the label which actually tags the start of the function.

llvm-svn: 151200
 2012-02-22 21:11:47 +00:00
Jia Liu
b22310fda6 Emacs-tag and some comment fix for all ARM, CellSPU, Hexagon, MBlaze, MSP430, PPC, PTX, Sparc, X86, XCore. 
llvm-svn: 150878
 2012-02-18 12:03:15 +00:00
Hal Finkel
ac9df3d411 make CR spill and restore 64-bit clean (no functional change), and fix some other problems found with -verify-machineinstrs 
llvm-svn: 146024
 2011-12-07 06:34:06 +00:00
Eli Friedman
c1870b2633 Small fix for assembler generation on Darwin PPC64. Patch by Michael Kostylev. PR11437. 
llvm-svn: 145553
 2011-12-01 01:43:47 +00:00
Devang Patel
2f70bcdb94 Remove unnecessary include. 
llvm-svn: 144211
 2011-11-09 21:11:02 +00:00
Hal Finkel
6fa5697af0 Add PPC 440 scheduler and some associated tests 
llvm-svn: 142170
 2011-10-17 04:03:49 +00:00
Evan Cheng
2bb4035707 Move TargetRegistry and TargetSelect from Target to Support where they belong. 
These are strictly utilities for registering targets and components.

llvm-svn: 138450
 2011-08-24 18:08:43 +00:00
Evan Cheng
1142444565 Rename TargetAsmParser to MCTargetAsmParser and TargetAsmLexer to MCTargetAsmLexer; rename createAsmLexer to createMCAsmLexer and createAsmParser to createMCAsmParser. 
llvm-svn: 136027
 2011-07-26 00:24:13 +00:00
Evan Cheng
61faa55b74 Separate MCInstPrinter registration from AsmPrinter registration. 
llvm-svn: 135974
 2011-07-25 21:20:24 +00:00
Evan Cheng
ab37af9af3 createMCInstPrinter doesn't need TargetMachine anymore. 
llvm-svn: 134525
 2011-07-06 19:45:42 +00:00
Roman Divacky
4b5665a1f7 Fix emission of PPC64 assembler on non-darwin platforms by splitting 
VK_PPC_{HA,LO}16 into darwin and gas variants.

Darwin wants {ha,lo}16(symbol) while gnu as wants symbol@{ha,l}.

llvm-svn: 132802
 2011-06-09 20:25:38 +00:00
Bill Wendling
00f0cddfd4 We need to pass the TargetMachine object to the InstPrinter if we are printing 
the alias of an InstAlias instead of the thing being aliased. Because we need to
know the features that are valid for an InstAlias.

This is part of a work-in-progress.

llvm-svn: 127986
 2011-03-21 04:13:46 +00:00
Chris Lattner
aac9fa731d Wire up primitive support in the assembler backend for writing .o files 
directly on the mac.  This is very early, doesn't support relocations and
has a terrible hack to avoid .machine from being printed, but despite
that it generates an bitwise-identical-to-cctools .o file for stuff like 
this:

  define i32 @test() nounwind { ret i32 42 }

I don't plan to continue pushing this forward, but if anyone else was
interested in doing it, it should be really straight-forward.

llvm-svn: 119136
 2010-11-15 08:49:58 +00:00
Chris Lattner
15e9d5ef8a fix a regression with the new instprinter: we lost the ability to 
print DBG_VALUE instructions.  This should unbreak the llvm-gcc-powerpc-darwin9
buildbot.

llvm-svn: 119132
 2010-11-15 07:52:06 +00:00
Chris Lattner
8bcfdab194 strength reduce TOC temp label generation, no functionality change. 
llvm-svn: 119112
 2010-11-15 03:42:54 +00:00
Chris Lattner
510c66f549 rip out a ton of old instruction printing junk now that the 
new instprinting logic is there.

llvm-svn: 119111
 2010-11-15 03:39:06 +00:00
Chris Lattner
d7c2fc7a73 Turn on the new instprinter by default. 
The only change in the output is:

1) we get a better comment on mfcr, we get:
	mfcr r2                         ; cr2
  instead of:
 	mfcr r2 ; 32

2) we no longer emit $stub's on powerpc/leopard.  The Leopard
   linker autosynthesizes them.

llvm-svn: 119108
 2010-11-15 03:27:05 +00:00
Chris Lattner
e75bb34963 remove some extraneous quotes to make the new instprinter match. 
llvm-svn: 119104
 2010-11-15 02:43:46 +00:00
Chris Lattner
b7c67f6c17 with the picbase nonsense starting to be figured out, implement 
lowering support for MovePCtoLR[8].  Down to 4 failures again.

llvm-svn: 119090
 2010-11-14 22:56:43 +00:00
Chris Lattner
7077efe894 move the pic base symbol stuff up to MachineFunction 
since it is trivial and will be shared between ppc and x86.
This substantially simplifies the X86 backend also.

llvm-svn: 119089
 2010-11-14 22:48:15 +00:00
Chris Lattner
94f0c14cb0 reimplement ppc asmprinter "toc" handling to use a VariantKind 
on the operand, required for .o file writing and fixing 
the PowerPC/mult-alt-generic-powerpc64.ll failure with the new
instprinter.

llvm-svn: 119087
 2010-11-14 22:22:59 +00:00
Chris Lattner
2f9f63af0b lower PPC::MFCRpseud when transforming to MC, avoiding calling 
the aborting printSpecial() method.  This gets us to 8 failures.

llvm-svn: 119084
 2010-11-14 22:03:15 +00:00
Chris Lattner
e2d75bf681 properly wire up the instprinter to the ppc64 backend, down to 5 failures. 
llvm-svn: 119081
 2010-11-14 21:42:53 +00:00
Chris Lattner
5c1b0cdec2 switch PPC to a simplified MCInstLowering model. 
llvm-svn: 119074
 2010-11-14 21:12:33 +00:00
Chris Lattner
7a5c57ecf4 Implement support for printing register and immediate operands, 
add support for darwin vs aix syntax.  We now can print instructions
like this:

	add r3, r3, r4
	blr 

and (in aix mode):
	add 3, 3, 4
	blr 

llvm-svn: 119062
 2010-11-14 20:02:39 +00:00
Chris Lattner
686a095d89 stub out PPCMCInstLowering, add a new option that uses it and the new 
instprinter when -enable-ppc-inst-printer is passed to llc.

llvm-svn: 119061
 2010-11-14 19:53:02 +00:00
Chris Lattner
a76eab433a stub out a powerpc MCInstPrinter implementation. 
llvm-svn: 119059
 2010-11-14 19:40:38 +00:00
Chris Lattner
56477d1690 move PPCAsmPrinter into the main PPC library, like ARM and X86. 
llvm-svn: 119054
 2010-11-14 18:33:33 +00:00
Anton Korobeynikov
28dc9d0ad9 Factor out asmprinter out of ppc 
llvm-svn: 54887
 2008-08-17 13:54:28 +00:00
Anton Korobeynikov
ed47329174 Handle visibility printing with all generality. Remove bunch of duplicate code. 
llvm-svn: 54540
 2008-08-08 18:25:07 +00:00
Anton Korobeynikov
f1f8aa3e50 Use chars, where possible 
llvm-svn: 54539
 2008-08-08 18:24:10 +00:00
Anton Korobeynikov
c9ad17c3da Convert PPC/Linux to new section printing stuff 
llvm-svn: 54538
 2008-08-08 18:23:49 +00:00
Anton Korobeynikov
5b5d8bcd88 Switch PPC/Darwin to new section handling stuff 
llvm-svn: 54537
 2008-08-08 18:23:25 +00:00
Anton Korobeynikov
7c20ede085 Cleanup 
llvm-svn: 54536
 2008-08-08 18:22:59 +00:00
Dale Johannesen
ca43dce1e8 Remove extra call to DW.SetModuleInfo on Linux. 
llvm-svn: 53365
 2008-07-09 21:33:15 +00:00
Dale Johannesen
dbd04c0783 Emit debug into for data-only files for Linux PPC. 
I cannot test this target, let me know if it breaks!

llvm-svn: 53362
 2008-07-09 21:24:07 +00:00
Dale Johannesen
b9aaddc110 Emit debug info for data-only files. This version 
applies to ppc Darwin only.

llvm-svn: 53353
 2008-07-09 20:43:39 +00:00
Evan Cheng
49c8e68e4c Back out 53254. It broke ppc debug info codegen. 
llvm-svn: 53280
 2008-07-09 06:36:53 +00:00
Dale Johannesen
b9097a71d4 Make debug info come out in data-only files. 
This is a question of the debugging setup code not
being called at the right time, and it's called from
target-dependent code for some reason.  I have only
attempted to fix Darwin, but I'm pretty sure it's
broken elsewhere; I'll leave that to people who can
test it.

llvm-svn: 53254
 2008-07-08 21:56:22 +00:00
Dale Johannesen
18cc4d3ea4 Put initialized const weak objects into correct 
sections on ppc32 darwin.  g++.dg/abi/key2.C

llvm-svn: 51527
 2008-05-24 00:10:20 +00:00
Dale Johannesen
5bf742f2aa Handle quoted names when constructing $stub's, 
$non_lazy_ptr's and $lazy_ptr's.

llvm-svn: 51277
 2008-05-19 21:38:18 +00:00
Dale Johannesen
2e1d5e487b Record weak external linkage in a case where we were 
missing it. gcc.dg/darwin-weakimport-2.c.
Handle common and weak differently for darwin ppc32.

llvm-svn: 51201
 2008-05-16 20:09:25 +00:00
Dale Johannesen
ce4396bc92 Add CommonLinkage; currently tentative definitions 
are represented as "weak", but there are subtle differences
in some cases on Darwin, so we need both.  The intent
is that "common" will behave identically to "weak" unless
somebody changes their target to do something else.
No functional change as yet.

llvm-svn: 51118
 2008-05-14 20:12:51 +00:00
Dale Johannesen
fd967cf3fa Recommitting EH patch; this should answer most of the 
review feedback.
-enable-eh is still accepted but doesn't do anything.
EH intrinsics use Dwarf EH if the target supports that,
and are handled by LowerInvoke otherwise.
The separation of the EH table and frame move data is,
I think, logically figured out, but either one still
causes full EH info to be generated (not sure how to
split the metadata correctly).
MachineModuleInfo::needsFrameInfo is no longer used and
is removed.

llvm-svn: 49064
 2008-04-02 00:25:04 +00:00
Dale Johannesen
5e4e051c2a Revert 49006 for the moment. 
llvm-svn: 49046
 2008-04-01 20:00:57 +00:00
Dale Johannesen
7d02cf3c9c Emit exception handling info for functions which are 
not marked nounwind, or for all functions when -enable-eh
is set, provided the target supports Dwarf EH.

llvm-gcc generates nounwind in the right places; other FEs
will need to do so also.  Given such a FE, -enable-eh should
no longer be needed.

llvm-svn: 49006
 2008-03-31 23:40:23 +00:00
Evan Cheng
ddc58ff92a Smaller function alignment when optimizing for size. 
llvm-svn: 48805
 2008-03-25 22:29:46 +00:00
Dan Gohman
bdc24adaaf A quick nm audit turned up several fixed tables and objects that were 
marked read-write. Use const so that they can be allocated in a
read-only segment.

llvm-svn: 48800
 2008-03-25 21:45:14 +00:00
Evan Cheng
c799065cc3 Add a quick and dirty "loop aligner pass". x86 uses it to align its loops to 16-byte boundaries. 
llvm-svn: 47703
 2008-02-28 00:43:03 +00:00
Bill Wendling
c24ea4fb41 Change "Name" to "AsmName" in the target register info. Gee, a refactoring tool 
would have been a Godsend here!

llvm-svn: 47625
 2008-02-26 21:11:01 +00:00
Chris Lattner
7b1431785b Handle \n's in value names for more targets. The asm printers 
really really really need refactoring :(

llvm-svn: 47171
 2008-02-15 19:04:54 +00:00
Dale Johannesen
6ca3ccf519 Rewrite tblgen handling of subtarget features so 
it follows the order of the enum, not alphabetical.
The motivation is to make -mattr=+ssse3,+sse41
select SSE41 as it ought to.  Added "ignored"
enum values of 0 to PPC and SPU to avoid compiler
warnings.

llvm-svn: 47143
 2008-02-14 23:35:16 +00:00
Dan Gohman
3a4be0fdef Rename MRegisterInfo to TargetRegisterInfo. 
llvm-svn: 46930
 2008-02-10 18:45:23 +00:00
Nate Begeman
f3c89be368 Ident mnemonics appropriately 
llvm-svn: 46746
 2008-02-05 08:49:09 +00:00
Evan Cheng
32e5347eb8 Get rid of the annoying blank lines before labels. 
llvm-svn: 46667
 2008-02-02 08:39:46 +00:00
Bill Wendling
1a17ef02c8 If there's no instructions being emitted on X86 for a function, emit a 
nop. Emit the nop directly for PPC.

llvm-svn: 46398
 2008-01-26 09:03:52 +00:00
Bill Wendling
5079483957 If there are no machine instructions emitted for a function, then insert 
a "nop" instruction so that we don't have the function's label associated
with something that it's not supposed to be associated with.

llvm-svn: 46394
 2008-01-26 06:51:24 +00:00
Dale Johannesen
7f1ff5fedd Honor explicit section information on Darwin. 
llvm-svn: 46267
 2008-01-23 00:58:14 +00:00
Dale Johannesen
60a9855799 Revert the part of 45848 that treated weak globals 
as weak globals rather than commons.  While not wrong,
this change tickled a latent bug in Darwin's strip,
so revert it for now as a workaround.

llvm-svn: 46144
 2008-01-17 23:04:07 +00:00
Dale Johannesen
2ff66f08f2 Weak things initialized to 0 don't go in bss on Darwin. 
Cosmetic changes to spacing to match gcc (some dejagnu
tests actually care).

llvm-svn: 45848
 2008-01-11 00:54:37 +00:00
Chris Lattner
dcbc0f3029 leopard and above support alignment for common symbols. 
llvm-svn: 45493
 2008-01-02 19:35:16 +00:00
Chris Lattner
a5bb370aa4 Add new shorter predicates for testing machine operands for various types: 
e.g. MO.isMBB() instead of MO.isMachineBasicBlock().  I don't plan on 
switching everything over, so new clients should just start using the 
shorter names.

Remove old long accessors, switching everything over to use the short
accessor: getMachineBasicBlock() -> getMBB(), 
getConstantPoolIndex() -> getIndex(), setMachineBasicBlock -> setMBB(), etc.

llvm-svn: 45464
 2007-12-30 23:10:15 +00:00
Chris Lattner
5c4637816e Use MachineOperand::getImm instead of MachineOperand::getImmedValue. Likewise setImmedValue -> setImm 
llvm-svn: 45453
 2007-12-30 20:49:49 +00:00
Chris Lattner
f3ebc3f3d2 Remove attribution from file headers, per discussion on llvmdev. 
llvm-svn: 45418
 2007-12-29 20:36:04 +00:00
Dale Johannesen
763e110a9f Fix .eh table linkage issues on Darwin. Some EH support 
for Darwin PPC, but it's not fully working yet.

llvm-svn: 44258
 2007-11-20 23:24:42 +00:00
Duncan Sands
283207a71c Eliminate the remaining uses of getTypeSize. This 
should only effect x86 when using long double.  Now
12/16 bytes are output for long double globals (the
exact amount depends on the alignment).  This brings
globals in line with the rest of LLVM: the space
reserved for an object is now always the ABI size.
One tricky point is that only 10 bytes should be
output for long double if it is a field in a packed
struct, which is the reason for the additional
argument to EmitGlobalConstant.

llvm-svn: 43688
 2007-11-05 00:04:43 +00:00
Nick Lewycky
d954dcd138 Fix crash before main on ppc/linux with static constructors. PR1771 
llvm-svn: 43676
 2007-11-04 17:32:10 +00:00
Evan Cheng
cdf3609130 Revert 42908 for now. 
llvm-svn: 42960
 2007-10-14 05:57:21 +00:00
Dan Gohman
dc35bd79ca Change the names used for internal labels to use the current 
function symbol name instead of a codegen-assigned function
number.

Thanks Evan! :-)

llvm-svn: 42908
 2007-10-12 14:53:36 +00:00
Dan Gohman
c731c97fac Use empty() member functions when that's what's being tested for instead 
of comparing begin() and end().

llvm-svn: 42585
 2007-10-03 19:26:29 +00:00
Evan Cheng
1ff71872c2 Honor user-defined section specification of a global, ignores whether its initializer is null. 
llvm-svn: 42182
 2007-09-21 00:41:19 +00:00
Devang Patel
d29f938335 Do not override user specified section. 
llvm-svn: 42179
 2007-09-20 23:07:37 +00:00
Dan Gohman
9da02f5ee2 Remove isReg, isImm, and isMBB, and change all their users to use 
isRegister, isImmediate, and isMachineBasicBlock, which are equivalent,
and more popular.

llvm-svn: 41958
 2007-09-14 20:33:02 +00:00
Dan Gohman
cf0a5349de Don't ignore the return value of AsmPrinter::doInitialization and 
AsmPrinter::doFinalization.

llvm-svn: 40487
 2007-07-25 19:33:14 +00:00
Nick Lewycky
5805c46e8f Fix debug info and globals filled with zeros. 
llvm-svn: 40483
 2007-07-25 03:48:45 +00:00
Chris Lattner
c1a2a3b344 add support for printing offset of global 
llvm-svn: 36667
 2007-05-03 16:39:48 +00:00
Chris Lattner
cb35c61a4b Fix PR1351 and CodeGen/PowerPC/2007-04-24-InlineAsm-I-Modifier.ll 
llvm-svn: 36410
 2007-04-24 22:51:03 +00:00
Evan Cheng
ddf082082c Putting more constants which do not contain relocations into .literal{4|8|16} 
llvm-svn: 35026
 2007-03-08 08:31:54 +00:00
Evan Cheng
d918477ac3 For Darwin, put constant data into .const, .const_data, .literal{4|8|16} 
sections.

llvm-svn: 35017
 2007-03-08 01:25:25 +00:00
Nick Lewycky
e6049c2f08 Emit low/high immediate loads properly for Linux/PPC. 
llvm-svn: 34871
 2007-03-03 05:29:51 +00:00
Jim Laskey
18fc09723c Add support for changes in DwarfWriter. 
llvm-svn: 34478
 2007-02-21 22:47:38 +00:00
Chris Lattner
f7937005a3 Fix CodeGen/PowerPC/2007-01-31-InlineAsmAddrMode.ll 
llvm-svn: 33732
 2007-02-01 00:39:08 +00:00
Reid Spencer
5301e7c605 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
0e083d0161 Darwin -static should codegen static ctors / dtors to .constructor / .destructor sections. 
llvm-svn: 33657
 2007-01-30 08:04:53 +00:00
Jim Laskey
c56315c2b5 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
Chris Lattner
48518548bd Fix test/CFrontend/2007-01-24-InlineAsmCModifier.c on PPC 
llvm-svn: 33494
 2007-01-25 02:52:50 +00:00
Chris Lattner
3c84b551db add support for hidden visibility to darwin/ppc and linux/ppc targets 
llvm-svn: 33200
 2007-01-14 06:37:54 +00:00
Jim Laskey
28663c73ef Changes from Nick Lewycky with a simplified PPCTargetAsmInfo. 
llvm-svn: 32735
 2006-12-21 20:26:09 +00:00
Jim Laskey
4c90a6df16 Oops. 
llvm-svn: 32724
 2006-12-20 21:35:00 +00:00
Jim Laskey
c2c861d00e Original patch was overly complicated. 
llvm-svn: 32723
 2006-12-20 21:33:34 +00:00
Jim Laskey
41621a72f5 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
Chris Lattner
1ef9cd400d eliminate static ctors for Statistic objects. 
llvm-svn: 32703
 2006-12-19 22:59:26 +00:00
Rafael Espindola
d7998d0e6d move ExtWeakSymbols to AsmPrinter 
llvm-svn: 32648
 2006-12-18 03:37:18 +00:00
Jim Laskey
59e7a777da Honor cpu directive, take two. 
llvm-svn: 32492
 2006-12-12 20:57:08 +00:00
Jim Laskey
8171e58bd9 Rollback changes to take a different tack. 
llvm-svn: 32488
 2006-12-12 19:26:50 +00:00
Jim Laskey
7c3cab9ddc Honor the command line specification for machine type. 
llvm-svn: 32483
 2006-12-12 16:07:33 +00:00
Bill Wendling
9bfb1e1f29 What should be the last unnecessary <iostream>s in the library. 
llvm-svn: 32333
 2006-12-07 22:21:48 +00:00
Chris Lattner
700b873130 Detemplatize the Statistic class. The only type it is instantiated with 
is 'unsigned'.

llvm-svn: 32279
 2006-12-06 17:46:33 +00:00
Evan Cheng
022030a425 Add weak reference directive. 
llvm-svn: 32091
 2006-12-01 20:47:11 +00:00
Evan Cheng
b689d32b20 Copy and paste error. An initialized global cannot be a weak reference. 
llvm-svn: 32075
 2006-12-01 17:39:22 +00:00
Jim Laskey
311622f912 ExternalWeak case in wrong location. 
llvm-svn: 32073
 2006-12-01 14:37:39 +00:00
Evan Cheng
5fb2c76d59 A initialized global variable cannot be extern weak. However, if a global value's initializer is itself a external weak symbol, emit the weak reference. 
llvm-svn: 32069
 2006-12-01 09:13:26 +00:00
Evan Cheng
fa54c0b6fb Darwin PPC external weak linkage support. 
llvm-svn: 32068
 2006-12-01 07:56:37 +00:00
Jim Laskey
ec05b046c7 Prime text sections to improve branch locality in large object files. 
llvm-svn: 31969
 2006-11-28 18:21:52 +00:00
Chris Lattner
9ca15c8914 Pretty print 'rldicr r2, r2, 2, 61' as 'sldi r2, r2, 2'. 
llvm-svn: 31838
 2006-11-18 01:23:56 +00:00
Chris Lattner
8c6a41ea12 start using PPC predicates more consistently. 
llvm-svn: 31833
 2006-11-17 22:10:59 +00:00
Chris Lattner
30055b9208 fix a regression that I introduced. stdu should scale the offset by 4 
before printing it.

llvm-svn: 31791
 2006-11-16 21:45:30 +00:00
Chris Lattner
6be726048e Go through all kinds of trouble to mark 'blr' as having a predicate operand 
that takes a register and condition code.  Print these pieces of BLR the
right way, even though it is currently set to 'always'.

Next up: get the JIT encoding right, then enhance branch folding to produce
predicated blr for simple examples.

llvm-svn: 31449
 2006-11-04 05:27:39 +00:00
Reid Spencer
de46e48420 For PR786: 
Turn on -Wunused and -Wno-unused-parameter. Clean up most of the resulting
fall out by removing unused variables. Remaining warnings have to do with
unused functions (I didn't want to delete code without review) and unused
variables in generated code. Maintainers should clean up the remaining
issues when they see them. All changes pass DejaGnu tests and Olden.

llvm-svn: 31380
 2006-11-02 20:25:50 +00:00
Anton Korobeynikov
aa4c0f9374 1. Clean up code due to changes in SwitchTo*Section(2) 
2. Added partial debug support for mingw\cygwin targets (the same as
   Linux\ELF). Please note, that currently mingw\cygwin uses 'stabs' format
   for storing debug info by default, thus many (runtime) libraries has
   this information included. These formats shouldn't be mixed in one binary
   ('stabs' & 'DWARF'), otherwise binutils tools will be confused.

llvm-svn: 31311
 2006-10-31 08:31:24 +00:00
Evan Cheng
ae8c29a7d3 Doh. Must check if GV is constant first before putting it in .cstring. 
llvm-svn: 31253
 2006-10-28 05:56:51 +00:00
Evan Cheng
e1e06c2de8 Place cstrings in .cstring section. 
llvm-svn: 31207
 2006-10-26 21:48:57 +00:00
Devang Patel
71b99297aa Move getPreferredAlignmentLog from AsmPrinter to TargetData 
llvm-svn: 31171
 2006-10-24 20:32:14 +00:00
Chris Lattner
a6a570e02f Pass the MachineFunction into EmitJumpTableInfo. 
llvm-svn: 30742
 2006-10-05 03:01:21 +00:00
Chris Lattner
028d663ee6 Move getSectionForFunction to AsmPrinter, change it to return a string. 
llvm-svn: 30735
 2006-10-05 02:42:20 +00:00
Chris Lattner
0d236450aa implement DarwinTargetAsmInfo::getSectionForFunction, use it when outputting 
function bodies

llvm-svn: 30733
 2006-10-05 00:35:50 +00:00
Chris Lattner
41e22a5419 emit jump table before debug info 
llvm-svn: 30731
 2006-10-05 00:26:05 +00:00
Chris Lattner
aad26a19f0 Always emit the jump table after the function so it's part of the same 'atom' 
as the function body.

llvm-svn: 30730
 2006-10-05 00:24:46 +00:00
Chris Lattner
a81a75c390 The DarwinAsmPrinter need not check for isDarwin. createPPCAsmPrinterPass 
should create the right asmprinter subclass.

llvm-svn: 30542
 2006-09-20 17:12:19 +00:00
Chris Lattner
8597a2fc4e Wrap some darwin'isms with isDarwin checks. 
llvm-svn: 30541
 2006-09-20 17:07:15 +00:00
Jim Laskey
261779bb45 Make target asm info a property of the target machine. 
llvm-svn: 30162
 2006-09-07 22:06:40 +00:00
Jim Laskey
a6211dcdad Separate target specific asm properties from the asm printers. 
llvm-svn: 30126
 2006-09-06 18:34:40 +00:00
Chris Lattner
3d27be1333 s|llvm/Support/Visibility.h|llvm/Support/Compiler.h| 
llvm-svn: 29911
 2006-08-27 12:54:02 +00:00
Evan Cheng
d7572fb234 Encode pc-relative conditional branch offset as pc+(num of bytes / 4). The 
asm printer will print it as offset*4. e.g. bne cr0, $+8.

The PPC code emitter was expecting the offset to be number of instructions, not
number of bytes. This fixes a whole bunch of JIT failures.

llvm-svn: 29885
 2006-08-25 21:54:44 +00:00
Nate Begeman
984c1a4a8f Emit .set directives for jump table entries when possible, which reduces 
the number of relocations in object files, shrinkifying them.

llvm-svn: 29650
 2006-08-12 21:29:52 +00:00
Nate Begeman
787565024a Support jump tables when in PIC relocation model 
llvm-svn: 29318
 2006-07-27 01:13:04 +00:00
Chris Lattner
9e56e5c003 Rename RelocModel::PIC to PIC_, to avoid conflicts with -DPIC. 
llvm-svn: 29307
 2006-07-26 21:12:04 +00:00
Chris Lattner
e1758d4cef Remove what little AIX support we have. It has never been tested and isn't 
complete.

llvm-svn: 29156
 2006-07-15 01:24:23 +00:00
Chris Lattner
b42a945fd2 Print negative immediates as negative values instead of large constants 
when using the immshifted addressing mode.

llvm-svn: 29130
 2006-07-12 23:24:02 +00:00
Chris Lattner
996795b0dd Use hidden visibility to make symbols in an anonymous namespace get 
dropped.  This shrinks libllvmgcc.dylib another 67K

llvm-svn: 28975
 2006-06-28 23:17:24 +00:00
Chris Lattner
2f8c2d8ef2 shrink libllvmgcc.dylib another 25K 
llvm-svn: 28971
 2006-06-28 22:00:36 +00:00
Chris Lattner
82ab3e21b1 Print stubs for external globals right. 
llvm-svn: 28936
 2006-06-27 20:20:53 +00:00
Chris Lattner
a2af3f47ea Add a pattern for i64 sra. Print 8-byte units with a space between the .quad 
and the data

llvm-svn: 28934
 2006-06-27 20:07:26 +00:00
Chris Lattner
1df0839067 Print darwin stub stuff correctly in 64-bit mode. With this, treeadd works in 
ppc64 mode!

llvm-svn: 28923
 2006-06-27 01:02:25 +00:00
Jim Laskey
a7b2bd5997 Add and sort "sections" in debug lines. This always stepping through 
code in sections other than ".text", including weak sections like ctors and
dtors.

llvm-svn: 28909
 2006-06-23 12:51:53 +00:00
Chris Lattner
52a956da52 Rename OR4 -> OR. Move some PPC64-specific stuff to the 64-bit file 
llvm-svn: 28889
 2006-06-20 23:18:58 +00:00
Jim Laskey
19f964e048 1. Support standard dwarf format (was bootstrapping in Apple format.) 
2. Add vector support.

llvm-svn: 28807
 2006-06-15 20:51:43 +00:00
Jim Laskey
f67bec0579 Place dwarf headers at earliest possible point. Well behaved when skipping 
functions.

llvm-svn: 28781
 2006-06-14 11:35:03 +00:00
Chris Lattner
04a9e38369 Remove some dead code, identified by coverity. 
llvm-svn: 28303
 2006-05-15 05:48:32 +00:00
Chris Lattner
f76c42776d remove dead variable. 
llvm-svn: 28248
 2006-05-12 17:33:59 +00:00
Chris Lattner
2814134a5d Indent .data/.text in the .s file 
llvm-svn: 28204
 2006-05-09 16:15:00 +00:00
Chris Lattner
8488ba2e41 Split SwitchSection into SwitchTo{Text|Data}Section methods. 
llvm-svn: 28184
 2006-05-09 04:59:56 +00:00
Chris Lattner
8b9e11c110 Print a grouping around inline asm blocks so that we can tell when we are 
using them.

llvm-svn: 28134
 2006-05-05 21:50:04 +00:00
Chris Lattner
10b71c0d08 Rename MO_VirtualRegister -> MO_Register. Clean up immediate handling. 
llvm-svn: 28104
 2006-05-04 18:05:43 +00:00