Commit Graph

16883 Commits

Author SHA1 Message Date
Chris Lattner 85e37684bf add a fixup for conditional branches, giving us output like this:
beq cr0, LBB0_4                 ; encoding: [0x41,0x82,A,0bAAAAAA00]
                                        ;   fixup A - offset: 0, value: LBB0_4, kind: fixup_ppc_brcond14

llvm-svn: 119126
2010-11-15 06:12:22 +00:00
Chris Lattner 0e3461e417 change direct branches to encode with the same encoding method
as direct calls.  Change conditional branches to encode with
their own method, simplifying the JIT encoder and making room
for adding an mc fixup.

llvm-svn: 119125
2010-11-15 06:09:35 +00:00
Chris Lattner 7064198397 eliminate a now-unneeded operand printer.
llvm-svn: 119124
2010-11-15 06:01:10 +00:00
Chris Lattner 79fa37152a split call operands out to their own encoding class, simplifying
code in the JIT.  Use this to form the first fixup for the PPC backend,
giving us stuff like this:

	bl L_foo$stub ; encoding: [0b010010AA,A,A,0bAAAAAA01]
                                        ;   fixup A - offset: 0, value: L_foo$stub, kind: fixup_ppc_br24

llvm-svn: 119123
2010-11-15 05:57:53 +00:00
Chris Lattner d6a07ccd10 add proper encoding for MTCRF instead of using a hack.
llvm-svn: 119121
2010-11-15 05:19:25 +00:00
Chris Lattner 63274cbc5d add fields to the .td files unconditionally, simplifying tblgen a bit.
Switch the ARM backend to use 'let' instead of 'set' with this change.

llvm-svn: 119120
2010-11-15 05:19:05 +00:00
Chris Lattner c877d8f44c add basic encoding support for immediates and registers, allowing us
to encode all of these instructions correctly (for example):

        mflr r0                         ; encoding: [0x7c,0x08,0x02,0xa6]
        stw r0, 8(r1)                   ; encoding: [0x90,0x01,0x00,0x08]
        stwu r1, -64(r1)                ; encoding: [0x94,0x21,0xff,0xc0]

llvm-svn: 119118
2010-11-15 04:51:55 +00:00
Chris Lattner 0ae07e1484 add a dummy entry to fix a build error
llvm-svn: 119117
2010-11-15 04:47:16 +00:00
Chris Lattner 9ec375c8ea Implement a basic MCCodeEmitter for PPC. This doesn't handle
fixups yet, and doesn't handle actually encoding operand values,
but this is enough for llc -show-mc-encoding to show the base
instruction encoding information, e.g.:

	mflr r0                         ; encoding: [0x7c,0x08,0x02,0xa6]
	stw r0, 8(r1)                   ; encoding: [0x90,0x00,0x00,0x00]
	stwu r1, -64(r1)                ; encoding: [0x94,0x00,0x00,0x00]
Ltmp0:
	lhz r4, 4(r3)                   ; encoding: [0xa0,0x00,0x00,0x00]
	cmplwi cr0, r4, 8               ; encoding: [0x28,0x00,0x00,0x00]
	beq cr0, LBB0_2                 ; encoding: [0x40,0x00,0x00,0x00]

llvm-svn: 119116
2010-11-15 04:16:32 +00:00
Chris Lattner 045e04dbfe dissolve some more hacks.
llvm-svn: 119115
2010-11-15 03:53:53 +00:00
Chris Lattner fd56ee2c40 fix some fixme's, removing dead code.
llvm-svn: 119114
2010-11-15 03:51:13 +00:00
Chris Lattner aa4d03d1f5 remove asmstrings (which can never be printed) from pseudo
instructions, allowing is to eliminate some dead operand 
printing methods from the instprinter.

llvm-svn: 119113
2010-11-15 03:48:58 +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
Evan Cheng dd96e97317 Make sure ARM multi load / store pass copies memoperands when forming ldrd / strd. pr8113.
llvm-svn: 119109
2010-11-15 03:30:30 +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 dd6df84900 convert the operand bits into bitfields since they are all combinable in
different ways.  Add $non_lazy_ptr support, and proper lowering for
global values.

Now all the ppc regression tests pass with the new instruction printer.

llvm-svn: 119106
2010-11-15 03:13:19 +00:00
Chris Lattner edb9d84dcc add targetoperand flags for jump tables, constant pool and block address
nodes to indicate when ha16/lo16 modifiers should be used.  This lets
us pass PowerPC/indirectbr.ll.

The one annoying thing about this patch is that the MCSymbolExpr isn't
expressive enough to represent ha16(label1-label2) which we need on
PowerPC.  I have a terrible hack in the meantime, but this will have
to be revisited at some point.

Last major conversion item left is global variable references.

llvm-svn: 119105
2010-11-15 02:46:57 +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 3ddef1ac36 silence a ton of warnings from clang.
llvm-svn: 119102
2010-11-15 01:45:44 +00:00
Anton Korobeynikov 51d2e9ca29 Attempt to unbreak cmake-based builds
llvm-svn: 119098
2010-11-15 00:48:12 +00:00
Anton Korobeynikov f7183edb59 First step of huge frame-related refactoring: move emit{Prologue,Epilogue} out of TargetRegisterInfo to TargetFrameInfo, which is definitely much better suitable place
llvm-svn: 119097
2010-11-15 00:06:54 +00:00
Anton Korobeynikov a5ab8f10e4 Whitespace cleanup
llvm-svn: 119096
2010-11-15 00:06:05 +00:00
Chris Lattner df8e17d80b implement support for the MO_DARWIN_STUB TargetOperand flag,
and have isel apply to to call operands as required.  This allows
us to get $stub suffixes on label references on ppc/tiger with the
new instprinter, fixing two tests.  Only 2 to go.

llvm-svn: 119093
2010-11-14 23:42:06 +00:00
Chris Lattner ea857d357f tidy up, no functionality change.
llvm-svn: 119092
2010-11-14 23:32:42 +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 239f9a35ed simplify getPICBaseSymbol a bit.
llvm-svn: 119088
2010-11-14 22:37:11 +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 cfb6287487 make the stubbed-out printer methods abort instead of
printing nothing.  This gets us back up to 24 failures.

llvm-svn: 119083
2010-11-14 21:54:34 +00:00
Chris Lattner f2cb69cb04 wire up a few more things, down to 4 test failures, all
about handling $stub, lo/hi etc.

llvm-svn: 119082
2010-11-14 21:51:37 +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 219cc3d586 implement pretty printing support for the various pseudo
ops the asmprinter supported, fixing PowerPC/rlwimi2.ll
among others.  Down to 20 failures.

llvm-svn: 119080
2010-11-14 21:39:51 +00:00
Chris Lattner c2ac86e261 Wire up symbol hi/lo printing. We don't print hi()/lo(), but this gets
us further along.  Only 28 failures now.

llvm-svn: 119079
2010-11-14 21:33:07 +00:00
Chris Lattner 3dc9bb245f implement basic support for symbol operand lowering,
and printing support for call operands.  Down to 77 failures.

llvm-svn: 119078
2010-11-14 21:20:46 +00:00
Chris Lattner 2aa8becf33 trim #includes.
llvm-svn: 119075
2010-11-14 21:16:04 +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 0927edf815 fix PPC.h to not pull in TargetMachine.h
llvm-svn: 119072
2010-11-14 21:09:28 +00:00
Chris Lattner de16ca8ecc rename LowerToMCInst -> LowerARMMachineInstrToMCInst.
llvm-svn: 119071
2010-11-14 21:00:02 +00:00
Chris Lattner c5afd12557 even more simplifications. ARM MCInstLowering is now just
a single function instead of a class.  It doesn't need the
complexity that X86 does.

llvm-svn: 119070
2010-11-14 20:58:38 +00:00
Chris Lattner 18442f5543 more shrinkification
llvm-svn: 119068
2010-11-14 20:41:53 +00:00
Chris Lattner 3040e8c69b more simplifications.
llvm-svn: 119067
2010-11-14 20:40:08 +00:00
Chris Lattner b28e691657 simplify and tidy up
llvm-svn: 119066
2010-11-14 20:31:06 +00:00
Chris Lattner 0dcd800b22 implement basic support for memory operands and crbit operands,
this fixes 3 more ppc tests.

llvm-svn: 119065
2010-11-14 20:22:56 +00:00
Chris Lattner 9488143769 implement several trivial operand printers, reducing
failures in CodeGen/PowerPC from 120 -> 117

llvm-svn: 119063
2010-11-14 20:11:21 +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 66031ed839 move all the target's asmprinters into the main target. The piece
that should be split out is the InstPrinter (if a target is mc'ized).
This change makes all the targets be consistent.

llvm-svn: 119056
2010-11-14 18:43:56 +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
Chris Lattner dab307c6f4 fix cmake
llvm-svn: 119053
2010-11-14 18:27:11 +00:00
Chris Lattner 9007c368c6 remove JIT support from the Alpha backend. The JIT will be moving to MC,
and the Alpha backend isn't MCized yet.  Approved by Andrew.

llvm-svn: 119051
2010-11-14 18:24:41 +00:00
Chris Lattner 57479f5ce9 random acts of tidiness.
llvm-svn: 119049
2010-11-14 18:09:50 +00:00
Owen Anderson e0f6b41618 Second attempt at providing correct encodings for Thumb2 binary operators.
llvm-svn: 119029
2010-11-14 05:37:38 +00:00
Peter Collingbourne feea10bcdf Recognise 32-bit ror-based bswap implementation used by uclibc
llvm-svn: 119007
2010-11-13 19:54:30 +00:00
Peter Collingbourne 1c6437a62a Support ; as asm separator
llvm-svn: 119006
2010-11-13 19:54:23 +00:00
Bill Wendling 9430eb489c Comment out the defms until they're activated.
llvm-svn: 119000
2010-11-13 11:20:05 +00:00
Bill Wendling 705ec77ab5 Add uses of the *_ldst_multi multiclasses. These aren't used yet.
llvm-svn: 118999
2010-11-13 10:57:02 +00:00
Bill Wendling c4c642832d Convert the modes to lower case.
llvm-svn: 118998
2010-11-13 10:43:34 +00:00
Bill Wendling f2fa04acfc Minor cleanups:
- Get the opcode once.
- Add a ParserMatchClass to reglist.

llvm-svn: 118997
2010-11-13 10:40:19 +00:00
Bill Wendling e69afc6bb7 Add *_ldst_mult multiclasses to the ARM back-end. These will be used in the
future to separate out the ia, ib, da, db variants of the load/store multiple
instructions.

llvm-svn: 118995
2010-11-13 09:09:38 +00:00
Daniel Dunbar fe0c28f4db MC: Simplify Mach-O and ELF object writer implementations.
- What was I thinking?????

llvm-svn: 118992
2010-11-13 07:33:40 +00:00
Wesley Peck 82471189b7 Fixed error and re-enabled MBlaze MC disassembler tests.
llvm-svn: 118987
2010-11-13 05:48:21 +00:00
Evan Cheng 79ff5238e9 Conditional moves are slightly more expensive than moves.
llvm-svn: 118985
2010-11-13 05:14:20 +00:00
Wesley Peck b3099e6863 1. Adding test cases for MBlaze MC disassembler.
2. Fixing several errors in disassembler uncovered by test cases.
3. Fixing invalid encoding of PCMPEQ and PCMPNE uncovered by test cases.

llvm-svn: 118969
2010-11-13 02:37:59 +00:00
Evan Cheng 2bcb8daa44 Add conditional move of large immediate.
llvm-svn: 118968
2010-11-13 02:25:14 +00:00
Jim Grosbach 1aa5863a3e Swap multiclass operand order for consistency with other patterns.
llvm-svn: 118965
2010-11-13 01:28:30 +00:00
Jim Grosbach 69fd90e661 Continue ARM indexed load refactoring. Multiclass for LDR{B} pre/post indexed
instructions.

llvm-svn: 118963
2010-11-13 01:07:20 +00:00
Jim Grosbach 2f790749e8 More ARM load/store indexed refactoring. Also fix an incorrect IndexMode
flag for the LDRT/STRT family instructions as a side effect.

llvm-svn: 118955
2010-11-13 00:35:48 +00:00
Dan Gohman 1279fc47f9 Revert r118917, which is implicated in the llvm-gcc-i386-linux-selfhost failure.
llvm-svn: 118954
2010-11-13 00:31:40 +00:00
Evan Cheng 8ce967e393 Fix an obvious typo which inverted an immediate.
llvm-svn: 118951
2010-11-13 00:27:47 +00:00
Wesley Peck 240162629c 1. Adding missing immediate mode asm parser test cases.
2. Fixing improper immediate mode reverse subtract.

llvm-svn: 118948
2010-11-13 00:03:46 +00:00
Eric Christopher 1293c6a23a Temporarily revert this.
llvm-svn: 118946
2010-11-12 23:50:48 +00:00
Evan Cheng 9c40af415f For pre-v6t2 targets, only select MOVi32imm if the immediate can be handled with movi + orr.
llvm-svn: 118945
2010-11-12 23:46:13 +00:00
Wesley Peck 4b074b8995 Fixing improperly encoded reverse subtract instructions in MBlaze backend.
llvm-svn: 118943
2010-11-12 23:41:10 +00:00
Owen Anderson 7cd724ae7d Revert r118939 while I work out why it broke some buildbots.
llvm-svn: 118942
2010-11-12 23:36:03 +00:00
Wesley Peck c542248602 1. Finishing MBlaze MC asm parser test cases
2. Parsing .word directive in MBlaze asm parser
3. Fixing hack where memory instructions reversed order of last two parameters
4. Fixing many improperly encoded instructions
5. Support parsing special instructions (MFS,MTS,etc.)
6. Removing unused functions from inst printer

llvm-svn: 118941
2010-11-12 23:30:17 +00:00
Owen Anderson 0003a296ad Attemt to provide correct encodings for Thumb2 binary operators.
llvm-svn: 118939
2010-11-12 23:18:11 +00:00
Evan Cheng f478cf9685 Eliminate ARM::MOVi2pieces. Just use MOVi32imm and expand it to either movi+orr or movw+movt depending on the subtarget.
llvm-svn: 118938
2010-11-12 23:03:38 +00:00
Eric Christopher 49a66f7d71 Make this happen for ARM like x86. Don't entirely bail out when
an address is in a different block, get it into a register and go
from there.

llvm-svn: 118936
2010-11-12 22:52:32 +00:00
Evan Cheng 0fc8084a64 Add conditional mvn instructions.
llvm-svn: 118935
2010-11-12 22:42:47 +00:00
Jim Grosbach e09122b46b Zap a copy/paste-o bit of dead code.
llvm-svn: 118926
2010-11-12 21:29:10 +00:00
Jim Grosbach 31a7234a47 Refactor to parameterize some ARM load/store encoding patterns. Preparatory
to splitting the load/store pre/post indexed instructions into [r, r] and
[r, imm] forms.

llvm-svn: 118925
2010-11-12 21:28:15 +00:00
Owen Anderson 8fdd172502 First stab at providing correct Thumb2 encodings, start with adc.
llvm-svn: 118924
2010-11-12 21:12:40 +00:00
Evan Cheng 2d59ee34f1 Add some missing isel predicates on def : pat patterns to avoid generating VFP vmla / vmls (they cause stalls). Disabling them in isel is properly not a right solution, I'll look into a proper solution next.
llvm-svn: 118922
2010-11-12 20:32:20 +00:00
Jim Grosbach 6bb1ae9d45 Kill more unused stuff.
llvm-svn: 118921
2010-11-12 19:27:45 +00:00
Jim Grosbach 984ff7d17e Remove unused class.
llvm-svn: 118919
2010-11-12 19:24:53 +00:00
Dan Gohman 0284c5d0c7 When the definition of an address value is in a different block
from the user of the address, fall back to just using the
address in a register instead of bailing out of fast-isel
altogether.

llvm-svn: 118917
2010-11-12 19:14:00 +00:00
Chris Lattner 87cf7f787e accept lret as an alias for lretl, fixing the reopened part of PR8592
llvm-svn: 118916
2010-11-12 18:54:56 +00:00
Jim Grosbach 3fd741191d Fill in the default predication bits for ARM unconditional branch.
llvm-svn: 118907
2010-11-12 18:13:26 +00:00
Jim Grosbach 0deb9c20c0 Encoding for ARM LDRSB instructions.
llvm-svn: 118905
2010-11-12 17:52:59 +00:00
Chris Lattner 5b013b102d implement PR8592: empirically "lretq" is a "lret" with a rex.w prefix.
llvm-svn: 118903
2010-11-12 17:41:20 +00:00
Chris Lattner 64634c36dd tidy up.
llvm-svn: 118896
2010-11-12 17:24:29 +00:00
Kalle Raiskila 0a9dd405a5 Fix memory access lowering on SPU, adding
support for the case where alignment<value size.

These cases were silently miscompiled before this patch.
Now they are overly verbose -especially storing is- and
any front-end should still avoid misaligned memory 
accesses as much as possible. The bit juggling algorithm
added here probably has some room for improvement still.

llvm-svn: 118889
2010-11-12 10:14:03 +00:00
Eric Christopher 22d0492f34 Fix up a few more spots of addrmode2 (or not) changes that were
missed. Update some comments accordingly.

Fixes rdar://8652289

llvm-svn: 118888
2010-11-12 09:48:30 +00:00
Dale Johannesen 6d95ed1760 Remove possibly useful info from comment, per Chris.
llvm-svn: 118865
2010-11-12 00:43:18 +00:00
Bruno Cardoso Lopes 03c0330176 Enable mips32 mul instruction. Patch by Akira Hatanaka <ahatanaka@mips.com>
llvm-svn: 118864
2010-11-12 00:38:32 +00:00
Jim Grosbach 20b6fd7d5d Start of support for binary emit of 16-it Thumb instructions.
llvm-svn: 118859
2010-11-11 23:41:09 +00:00
Owen Anderson ce2250fba4 Fill out support for Thumb2 encodings of NEON instructions.
llvm-svn: 118854
2010-11-11 23:12:55 +00:00
Wesley Peck 8abdf4b6ea The BRK instruction in the MicroBlaze is a branch-and-link.
llvm-svn: 118848
2010-11-11 22:21:08 +00:00
Wesley Peck bf65066a37 Fix tblgen instruction errors exposed by MC asm parser tests
Fix minimum 16-bit signed value error exposed by MC asm parser tests
Add initial MC asm parser tests for the MBlaze backend

llvm-svn: 118844
2010-11-11 21:40:53 +00:00
Owen Anderson 99a8cb4875 Add correct Thumb2 encodings for NEON vst[1,2,3,4] and vld[1,2,3,4].
llvm-svn: 118843
2010-11-11 21:36:43 +00:00
Eric Christopher 7ae11c6962 Revert the accidental commit I made reverting the previous commit.
llvm-svn: 118835
2010-11-11 20:50:14 +00:00
Jim Grosbach c33f28bf90 ARM fixup encoding for direct call instructions (BL).
llvm-svn: 118829
2010-11-11 20:05:40 +00:00
Eric Christopher b90f7004cf Revert this temporarily.
llvm-svn: 118827
2010-11-11 19:47:02 +00:00
Eric Christopher e6283f950d Change the prologue and epilogue to use push/pop for the low ARM registers.
llvm-svn: 118823
2010-11-11 19:26:03 +00:00
Owen Anderson 7ffe3b35ac Add support for Thumb2 encodings of NEON data processing instructions, using the new PostEncoderMethod infrastructure.
More tests to come.

llvm-svn: 118819
2010-11-11 19:07:48 +00:00
Wesley Peck d1a6f5a384 Fixed some bugs in MBlaze asm parser that were introduced when removing OwningPtrs from the code.
llvm-svn: 118807
2010-11-11 18:41:33 +00:00
Chris Lattner 932aab3cbf add a note
llvm-svn: 118806
2010-11-11 18:23:57 +00:00
Jim Grosbach 9d6d77a9f4 Encoding of destination fixup for ARM branch and conditional branch
instructions.

llvm-svn: 118801
2010-11-11 18:04:49 +00:00
Chris Lattner 1d6aa32b87 add pr#
llvm-svn: 118797
2010-11-11 17:17:56 +00:00
Jim Grosbach 68685e644f Encoding for ARM LDRSH_POST.
llvm-svn: 118794
2010-11-11 16:55:29 +00:00
Rafael Espindola 19fa38000a Remove some explicit arguments to getELFSection. This is
a leftover from the removal of isExplicit.

llvm-svn: 118774
2010-11-11 03:40:25 +00:00
Jim Grosbach f18b951e18 Encoding for ARM LDRSH and LDRSH_PRE. Cannonicalize operand names.
llvm-svn: 118767
2010-11-11 01:55:59 +00:00
Jim Grosbach e967c0a795 Fix encoding of Ra register for ARM smla* instructions.
llvm-svn: 118761
2010-11-11 01:27:41 +00:00
Jim Grosbach 607efcbc3e ARM STRH encoding information.
llvm-svn: 118757
2010-11-11 01:09:40 +00:00
Jim Grosbach c4dd2349c7 Move LDM predicate operand encoding into base clase. Add STM missing STM
encoding bits.

llvm-svn: 118738
2010-11-10 23:44:32 +00:00
Jim Grosbach cc4a491557 ARM LDM encoding for the mode (ia, ib, da, db) operand.
llvm-svn: 118736
2010-11-10 23:38:36 +00:00
Jim Grosbach 58ef598cd1 Fix ARM encoding of non-return LDM instructions.
llvm-svn: 118732
2010-11-10 23:18:49 +00:00
Jim Grosbach e39a9fcc0e Fix ARM encoding of LDM+Return instruction.
llvm-svn: 118730
2010-11-10 23:12:48 +00:00
Nate Begeman ca52411955 Fix an issue where we tried to turn a v2f32 build_vector into a v4i32 build vector with 2 elts
llvm-svn: 118720
2010-11-10 21:35:41 +00:00
Jim Grosbach ca21cd749e Simplify and clean up MC symbol lookup for ARM constant pool values. This fixes
double quoting of ObjC symbol names in constant pool entries.

rdar://8652107

llvm-svn: 118688
2010-11-10 17:59:10 +00:00
Jim Grosbach f23b2d9d8d Update ARMConstantPoolValue to not use a modifier string. Use an explicit
VariantKind marker to indicate the additional information necessary. Update
MC to handle the new Kinds. rdar://8647623

llvm-svn: 118671
2010-11-10 03:26:07 +00:00
Bruno Cardoso Lopes 67fc18a493 Add clo instruction. Patch by Akira Hatanaka (ahatanaka@mips.com) with some minor tweaks
llvm-svn: 118667
2010-11-10 02:13:22 +00:00
Bill Wendling 91607f878c Emit a '!' if this is a "writeback" register or memory address.
llvm-svn: 118662
2010-11-10 01:07:54 +00:00
Matt Beaumont-Gay 55c4cc76ce Rename a parameter to avoid confusion with a local variable
llvm-svn: 118656
2010-11-10 00:08:58 +00:00
Bill Wendling e9a9c6da04 Emit the warning about the register list not being in ascending order only once.
llvm-svn: 118653
2010-11-09 23:45:59 +00:00
Bill Wendling bed9465a96 s/std::vector/SmallVector/
llvm-svn: 118648
2010-11-09 23:28:44 +00:00
Bill Wendling da3c0fbc64 Delete the allocated vector.
llvm-svn: 118644
2010-11-09 22:51:42 +00:00
Bob Wilson d0046ca62d Define the subtarget feature for the architecture version,
as derived from the target triple.  This is important for enabling
features that are implied based on the architecture version.

llvm-svn: 118643
2010-11-09 22:50:47 +00:00
Bob Wilson 193722ebc8 Do not use MEMBARRIER_MCR for any Thumb code.
It is only supported for ARM code.  Normally Thumb2 code would use DMB instead,
but depending on how the compiler is invoked (e.g., -mattr=-db) that might be
disabled.  This prevents a "cannot select MEMBARRIER_MCR" error in that
situation.  Radar 8644195

llvm-svn: 118642
2010-11-09 22:50:44 +00:00
Bill Wendling 2cae3277a5 Two types of instructions have register lists:
* LDM, et al, uses a bit mask to indicate the register list.
* VLDM, et al, uses a base register plus number.

The LDM instructions may be non-contiguous, but the VLDM ones must be
contiguous. Those are semantic checks that should be done later in the
compiler. Also postpone the creation of the bit mask until it's needed.

llvm-svn: 118640
2010-11-09 22:44:22 +00:00
Jim Grosbach a942ad4222 Change the ARMConstantPoolValue modifier string to an enumeration. This will
help in MC'izing the references that use them.

llvm-svn: 118633
2010-11-09 21:36:17 +00:00
Jim Grosbach 2fd4c37d8b Handle ARM constant pool values that need an explicit reference to the '.'
pseudo-label. (TLS stuff).

llvm-svn: 118609
2010-11-09 19:40:22 +00:00
Chris Lattner 4d94e47368 add a case we fail to devirt.
llvm-svn: 118608
2010-11-09 19:37:28 +00:00
Jim Grosbach 68147ee320 Trailing whitespace.
llvm-svn: 118606
2010-11-09 19:22:26 +00:00
Jim Grosbach 38f8e76e51 Further MCize ARM constant pool values. This allows basic PIC references for
object file emission.

llvm-svn: 118601
2010-11-09 18:45:04 +00:00
Jim Grosbach 7e51095c23 Add encoding of Rt to ARM LDR/STR w/ reg+reg offset encoding.
llvm-svn: 118600
2010-11-09 18:43:54 +00:00
Jim Grosbach 59002dc973 For ARM load/store instructions, encode [reg+reg] with no shifter immediate as
a left shift by zero.

llvm-svn: 118587
2010-11-09 17:38:15 +00:00
Jim Grosbach 9b973490c9 ARM .word data fixups don't need an adjustment.
llvm-svn: 118586
2010-11-09 17:36:59 +00:00
Bruno Cardoso Lopes 9c5c829d9a Fix trailing whitespace and style, no functionality change
llvm-svn: 118515
2010-11-09 17:25:34 +00:00
Jim Grosbach dbfb5edbdb Add encoder method for ARM load/store shifted register offset operands.
llvm-svn: 118513
2010-11-09 17:20:53 +00:00
Jim Grosbach 9098714f8b Add support for a few simple fixups to the ARM Darwin asm backend. This allows
constant pool references and global variable refernces to resolve properly
for object file generation. For example,

int x;
void foo(unsigned a, unsigned *p) {
  p[a] = x;
}

can now be successfully compiled directly to an (ARM mode) object file.

llvm-svn: 118469
2010-11-09 01:37:15 +00:00
Bill Wendling 1b83ed5f7c Revert r118457 and r118458. These won't hold for GPRs.
llvm-svn: 118462
2010-11-09 00:30:18 +00:00
Bill Wendling 31b850be15 Get the register and count from the register list operands.
llvm-svn: 118458
2010-11-08 23:51:20 +00:00
Bill Wendling aeead4d1e1 reglist has two operands.
llvm-svn: 118457
2010-11-08 23:50:20 +00:00
Bill Wendling 8d2aa03ce1 The "addRegListOperands()" function returns the start register and the total
number of registers in the list.

llvm-svn: 118456
2010-11-08 23:49:57 +00:00
Owen Anderson c7baee31ad Add support for ARM's specialized vector-compare-against-zero instructions.
llvm-svn: 118453
2010-11-08 23:21:22 +00:00
Bruno Cardoso Lopes 9c656fe815 Initial support for Mips32 and Mips32r2. Patch contributed by Akira Hatanaka (ahatanaka@mips.com)
llvm-svn: 118447
2010-11-08 21:42:32 +00:00
Bill Wendling a91d02bc61 Add "write back" bit encoding.
llvm-svn: 118446
2010-11-08 21:28:03 +00:00
Bruno Cardoso Lopes 69ba1e9ccb Fix PR8211
llvm-svn: 118445
2010-11-08 21:24:59 +00:00
Wesley Peck fc82674b9c Adding working version of assembly parser for the MBlaze backend
Major cleanup of whitespace and formatting issues in MBlaze backend

llvm-svn: 118434
2010-11-08 19:40:01 +00:00
Dale Johannesen 0ef474730f Revert 118422 in search of bot verdancy.
llvm-svn: 118429
2010-11-08 19:17:22 +00:00
Jason W Kim f3e224f830 Support -mcpu=cortex-a8 in ARM attributes - Has Fixme. 1 Test modified.
llvm-svn: 118422
2010-11-08 17:58:07 +00:00
Jason W Kim fc6b6bd5a6 Complete listing of ARM/MC/ELF relocation enums
llvm-svn: 118413
2010-11-08 16:47:27 +00:00
Che-Liang Chiou fab7697e42 Add generating function declaration for PTX
llvm-svn: 118398
2010-11-08 03:06:08 +00:00
Che-Liang Chiou 09bf309527 Add physical register counting functions
llvm-svn: 118397
2010-11-08 03:00:52 +00:00
Che-Liang Chiou c03ec0cc42 Add a dummy PTXMCAsmStreamer class
llvm-svn: 118396
2010-11-08 02:58:44 +00:00
Bill Wendling 424601a9b3 Make RegList an ASM operand so that TableGen will generate code for it. This is
an initial implementation and may change once reglists are fully fleshed out.

llvm-svn: 118390
2010-11-08 00:39:58 +00:00
Bill Wendling 2f9d17c44f Revert.
llvm-svn: 118389
2010-11-08 00:32:40 +00:00
Duncan Sands f532d31198 Fix a README item: when doing a comparison with the result
of a select instruction, see if doing the compare with the
true and false values of the select gives the same result.
If so, that can be used as the value of the comparison.

llvm-svn: 118378
2010-11-07 16:12:23 +00:00
Bill Wendling 68bac75190 In this context, a reglist is a reg.
llvm-svn: 118375
2010-11-07 13:08:28 +00:00
Chris Lattner 0530c024b6 implement aliases for div/idiv that have an explicit A register operand,
implementing rdar://8431864

llvm-svn: 118364
2010-11-06 22:41:18 +00:00
Bill Wendling e18980aeaa Add support for parsing register lists. We can't use a bitfield to keep track of
the registers, because the register numbers may be much greater than the number
of bits available in the machine's register.

I extracted the register list verification code out of the actual parsing of the
registers. This made checking for errors much easier. It also limits the number
of warnings that would be emitted for cascading infractions.

llvm-svn: 118363
2010-11-06 22:36:58 +00:00
Chris Lattner 9654e108d7 add aliases for movs between seg registers and mem. There are multiple
different forms of this instruction (movw/movl/movq) which we reported
as being ambiguous.  Since they all do the same thing, gas just picks the
one with the shortest encoding.  Follow its lead here.

This implements rdar://8208615

llvm-svn: 118362
2010-11-06 22:35:34 +00:00
Chris Lattner 7923358842 move the "sh[lr]d op,op" -> "shld $1, op,op" aliases to the .td file.
llvm-svn: 118361
2010-11-06 22:25:39 +00:00
Bill Wendling b884a8ee44 Return the base register of a register list for the "getReg()" method. This is
to satisfy the ClassifyOperand method of the Asm matcher without having to add a
RegList type to every back-end.

llvm-svn: 118360
2010-11-06 22:19:43 +00:00
Chris Lattner 2abbeded98 work-in-progress
llvm-svn: 118358
2010-11-06 22:05:43 +00:00
Bill Wendling ee7f1f9914 General cleanup:
- Make ARMOperand a class so that some things are internal to the class.
- Reformatting.

llvm-svn: 118357
2010-11-06 21:42:12 +00:00
Chris Lattner ca7801e472 go to great lengths to work around a GAS bug my previous patch
exposed:

GAS doesn't accept "fcomip %st(1)", it requires "fcomip %st(1), %st(0)"
even though st(0) is implicit in all other fp stack instructions.

Fortunately, there is an alias for fcomip named "fcompi" and gas does
accept the default argument for the alias (boggle!).

As such, switch the canonical form of this instruction to "pi" instead
of "ip".  This makes the code generator and disassembler generate pi,
avoiding the gas bug.

llvm-svn: 118356
2010-11-06 21:37:06 +00:00
Chris Lattner 64f91b9825 rework the rotate-by-1 instructions to be defined like the
shift-by-1 instructions, where the asmstring doesn't contain
the implicit 1.  It turns out that a bunch of these rotate
instructions were completely broken because they used 1 
instead of $1.

This fixes assembly mismatches on "rclb	$1, %bl" and friends,
where we used to generate the 3 byte form, we now generate the
proper 2-byte form.

llvm-svn: 118355
2010-11-06 21:23:40 +00:00
Chris Lattner 05031e7f1a change the fp comparison instructions to not have %st0 explicitly
listed in its asm string, for consistency with the other similar
instructions.

llvm-svn: 118354
2010-11-06 20:55:09 +00:00
Chris Lattner 290199f8ee move the plethora of fp stack aliases to the .td file.
llvm-svn: 118353
2010-11-06 20:47:38 +00:00
Chris Lattner 4869d346e3 add (and document) the ability for alias results to have
fixed physical registers.  Start moving fp comparison
aliases to the .td file (which default to using %st1 if
nothing is specified).

llvm-svn: 118352
2010-11-06 19:57:21 +00:00
Bill Wendling 7cef447c14 Add a RegList (register list) object to ARMOperand. It will be used soon to hold
(surprise!) a list of registers. Register lists are consecutive, so we only need
to record the start register plus the number of registers.

llvm-svn: 118351
2010-11-06 19:56:04 +00:00
Chris Lattner b6f8e8248d generalize alias support to allow the result of an alias to
add fixed immediate values.  Move the aad and aam aliases to
use this, and document it.

llvm-svn: 118350
2010-11-06 19:25:43 +00:00
Chris Lattner 161bf7de25 move fnstsw aliases to .td file, fix typo
llvm-svn: 118349
2010-11-06 18:58:32 +00:00
Chris Lattner ec66010e80 move in/out aliases to the .td files.
llvm-svn: 118348
2010-11-06 18:52:40 +00:00
Chris Lattner 6881e175c3 move sldt, imul, and movabsq aliases from c++ to .td file.
llvm-svn: 118347
2010-11-06 18:44:26 +00:00
Chris Lattner fab9413b01 correct suffix matching to search for s/l/t suffixes on
floating point stack instructions instead of looking for b/w/l/q.

This fixes issues where we'd accidentally match fistp to fistpl,
when it is in fact an ambiguous instruction.

This changes the behavior of llvm-mc to reject fstp, which was the
correct fix for rdar://8456389:
t.s:1:1: error: ambiguous instructions require an explicit suffix (could be 'fstps', 'fstpl', or 'fstpt')
fstp	(%rax)

it also causes us to correctly reject fistp and fist, which addresses
PR8528:

t.s:2:1: error: ambiguous instructions require an explicit suffix (could be 'fistps', or 'fistpl')
fistp (%rax)
^
t.s:3:1: error: ambiguous instructions require an explicit suffix (could be 'fists', or 'fistl')
fist (%rax)
^

Thanks to Ismail Donmez for tracking down the issue here!

llvm-svn: 118346
2010-11-06 18:28:02 +00:00
Bill Wendling 8300d834c9 Fix grammar.
llvm-svn: 118341
2010-11-06 10:51:53 +00:00
Bill Wendling 4f4bce0682 Fix grammar.
llvm-svn: 118340
2010-11-06 10:48:18 +00:00
Bill Wendling 518e43c453 MatchRegisterName() returns 0 if it can't match the register.
llvm-svn: 118339
2010-11-06 10:45:34 +00:00
Bill Wendling 6d2eb737af Use TryParseRegister() instead of MatchRegisterName(). The former returns -1
while the latter doesn't.

llvm-svn: 118338
2010-11-06 10:40:24 +00:00
Benjamin Kramer 8628e2a19c Add a note.
llvm-svn: 118337
2010-11-06 10:37:16 +00:00
Chris Lattner db6f90c61c fix a bug where we had an implicit assumption that the
result instruction operand numbering matched the result pattern.

Fixing this allows us to move the xchg/test aliases to the .td file.

llvm-svn: 118334
2010-11-06 08:20:59 +00:00
Eric Christopher 89965d7091 Make sure we have movw on the target before using it.
Fixes 8559.

llvm-svn: 118333
2010-11-06 07:53:11 +00:00
Chris Lattner aa7847df06 move the lcall/ljmp aliases to the .td file.
llvm-svn: 118332
2010-11-06 07:48:45 +00:00
Chris Lattner 9535f90abe move the "movsd -> movsl" alias to the .td files,
tidy up the movsx and movzx aliases.

llvm-svn: 118331
2010-11-06 07:34:58 +00:00
Chris Lattner 8188fb264f fix some bugs in the alias support, unblocking changing of "clr" aliases
from c++ hacks to proper .td InstAlias definitions.  Change them!

llvm-svn: 118330
2010-11-06 07:31:43 +00:00
Chris Lattner fecdad6237 Reimplement BuildResultOperands to be in terms of the result instruction's
operand list instead of the operand list redundantly declared on the alias
or instruction.

With this change, we finally remove the ins/outs list on the alias.  Before:
  def : InstAlias<(outs GR16:$dst), (ins GR8 :$src),
                  "movsx $src, $dst",
                  (MOVSX16rr8W GR16:$dst, GR8:$src)>;
After:
  def : InstAlias<"movsx $src, $dst",
                  (MOVSX16rr8W GR16:$dst, GR8:$src)>;

This also makes the alias mechanism more general and powerful, which will
be exploited in subsequent patches.

llvm-svn: 118329
2010-11-06 07:14:44 +00:00
Jim Grosbach 2db0ea03ba Hook up the '.code {16|32}' directive to the streamer.
llvm-svn: 118310
2010-11-05 22:40:53 +00:00
Jim Grosbach c6db8ce5da Hook up the '.thumb_func' directive to the streamer.
llvm-svn: 118307
2010-11-05 22:33:53 +00:00
Jim Grosbach 0fe92e3fea Fix past-o.
llvm-svn: 118304
2010-11-05 22:11:33 +00:00
Jim Grosbach 5a2c68d308 MC'ize the '.code 16' and '.thumb_func' ARM directives.
llvm-svn: 118301
2010-11-05 22:08:08 +00:00
Owen Anderson a4076924d1 Disallow the certain NEON modified-immediate forms when generating vorr or vbic.
llvm-svn: 118300
2010-11-05 21:57:54 +00:00
Jim Grosbach ff9e507d8e MC'ize simple ARMConstantValue entry emission (with a FIXME).
llvm-svn: 118295
2010-11-05 20:34:24 +00:00
Owen Anderson 30c4892ea5 Add codegen and encoding support for the immediate form of vbic.
llvm-svn: 118291
2010-11-05 19:27:46 +00:00
Jim Grosbach 2bab7570f5 Enable MachO writing for ARM/Darwin. Lots of stuff still doesn't work
(relocations, e.g.), but this will allow simple things to flow through.

llvm-svn: 118289
2010-11-05 18:50:35 +00:00
Jim Grosbach 46c2acbcb4 Allow targets to specify the MachO CPUType/CPUSubtype information.
llvm-svn: 118288
2010-11-05 18:48:58 +00:00
Jim Grosbach 1df82e67d1 Add FIXME.
llvm-svn: 118280
2010-11-05 17:37:13 +00:00
Duncan Sands 98512315f7 When passing a huge parameter using the byval mechanism, a long
sequence of loads and stores was being generated to perform the
copy on the x86 targets if the parameter was less than 4 byte
aligned, causing llc to use up vast amounts of memory and time.
Use a "rep movs" form instead.  PR7170.

llvm-svn: 118260
2010-11-04 21:16:46 +00:00
Duncan Sands 71049f78ed In the calling convention logic, ValVT is always a legal type,
and as such can be represented by an MVT - the more complicated
EVT is not needed.  Use MVT for ValVT everywhere.

llvm-svn: 118245
2010-11-04 10:49:57 +00:00
Evan Cheng 21acf9fb38 Fix @llvm.prefetch isel. Selecting between pld / pldw using the first immediate rw. There is currently no intrinsic that matches to pli.
llvm-svn: 118237
2010-11-04 05:19:35 +00:00
Jim Grosbach 0fb841fd19 Add ARM fixup info for load/store label references. Probably will need a bit of
tweaking when we start using it for object file emission or JIT, but it's a
start.

llvm-svn: 118221
2010-11-04 01:12:30 +00:00
Bill Wendling c002463ac4 Add encoding for VSTR.
llvm-svn: 118220
2010-11-04 00:59:42 +00:00
Jim Grosbach 2eed7a1310 Teach ARM Target to use the tblgen support for generating an MC'ized
CodeEmitter.

llvm-svn: 118209
2010-11-03 23:52:49 +00:00
Owen Anderson bc9b31c493 Covert VORRIMM to be produced via early target-specific DAG combining, rather than legalization.
This is both the conceptually correct place for it, as well as allowing it to be more aggressive.

llvm-svn: 118204
2010-11-03 23:15:26 +00:00
Owen Anderson 0747307049 Add support for code generation of the one register with immediate form of vorr.
We could be more aggressive about making this work for a larger range of constants,
but this seems like a good start.

llvm-svn: 118201
2010-11-03 22:44:51 +00:00
Jim Grosbach 49b0c45ecf trailing whitespace
llvm-svn: 118199
2010-11-03 22:03:20 +00:00
Eric Christopher e4dd7378d0 Optimize generated code for integer materialization a bit.
llvm-svn: 118192
2010-11-03 20:21:17 +00:00
Owen Anderson bb81f80af6 Unlike a lot of NEON instructions, vext isn't _actually_ parameterized by element size. Instead,
all of the different element sizes are pseudo instructions that map down to vext.8 underneath, with
the immediate shifted left to reflect the increased element size.

llvm-svn: 118183
2010-11-03 18:16:27 +00:00
Bob Wilson 7d0ac84abd Add codegen patterns for VST1-lane instructions. Radar 8599955.
llvm-svn: 118176
2010-11-03 16:24:53 +00:00
Bob Wilson ceb49296ef Check for extractelement with a variable operand for the element number.
For NEON we had been assuming this was always an immediate constant.

llvm-svn: 118175
2010-11-03 16:24:50 +00:00
Duncan Sands 1462777017 Simplify uses of MVT and EVT. An MVT can be compared directly
with a SimpleValueType, while an EVT supports equality and
inequality comparisons with SimpleValueType.

llvm-svn: 118169
2010-11-03 12:17:33 +00:00
Duncan Sands f5dda01f33 Inside the calling convention logic LocVT is always a simple
value type, so there is no point in passing it around using
an EVT.  Use the simpler MVT everywhere.  Rather than trying
to propagate this information maximally in all the code that
using the calling convention stuff, I chose to do a mainly
low impact change instead.

llvm-svn: 118167
2010-11-03 11:35:31 +00:00
Evan Cheng 8740ee3637 Fix preload instruction isel. Only v7 supports pli, and only v7 with mp extension supports pldw. Add subtarget attribute to denote mp extension support and legalize illegal ones to nothing.
llvm-svn: 118160
2010-11-03 06:34:55 +00:00
Evan Cheng 6f36042557 Add support to match @llvm.prefetch to pld / pldw / pli. rdar://8601536.
llvm-svn: 118152
2010-11-03 05:14:24 +00:00
Bill Wendling 6552a109bb Put the PC encoding in the correct bit position.
llvm-svn: 118151
2010-11-03 04:57:44 +00:00
Eric Christopher c63d846ad6 Invert these branches by default, it makes assembly comparisons a little
easier to read.

llvm-svn: 118148
2010-11-03 04:29:11 +00:00
Bill Wendling e84eb99cbb The MC code couldn't handle ARM LDR instructions with negative offsets:
vldr.64 d1, [r0, #-32]

The problem was with how the addressing mode 5 encodes the offsets. This change
makes sure that the way offsets are handled in addressing mode 5 is consistent
throughout the MC code. It involves re-refactoring the "getAddrModeImmOpValue"
method into an "Imm12" and "addressing mode 5" version. But not to worry! The
majority of the duplicated code has been unified.

llvm-svn: 118144
2010-11-03 01:49:29 +00:00
Jim Grosbach fd96701456 Remove unused function.
llvm-svn: 118141
2010-11-03 01:35:15 +00:00
Jim Grosbach e7f7de95e0 Remove the no longer used 'Modifier' optional operand to the ARM
printOperand() asm printer helper functions. rdar://8425198

llvm-svn: 118140
2010-11-03 01:11:15 +00:00
Jim Grosbach 50ba3c09bf Remove unused function.
llvm-svn: 118139
2010-11-03 01:07:48 +00:00
Jim Grosbach c6af2b4066 Break ARM addrmode4 (load/store multiple base address) into its constituent
parts. Represent the operation mode as an optional operand instead.
rdar://8614429

llvm-svn: 118137
2010-11-03 01:01:43 +00:00
Evan Cheng debf9c502a Two sets of changes. Sorry they are intermingled.
1. Fix pre-ra scheduler so it doesn't try to push instructions above calls to
   "optimize for latency". Call instructions don't have the right latency and
   this is more likely to use introduce spills.
2. Fix if-converter cost function. For ARM, it should use instruction latencies,
   not # of micro-ops since multi-latency instructions is completely executed
   even when the predicate is false. Also, some instruction will be "slower"
   when they are predicated due to the register def becoming implicit input.
   rdar://8598427

llvm-svn: 118135
2010-11-03 00:45:17 +00:00
Evan Cheng 634ab6c2b7 Modify scheduling itineraries to correct instruction latencies (not operand
latencies) of loads.

llvm-svn: 118134
2010-11-03 00:40:22 +00:00
Eric Christopher 1e43892e4b Make sure we're only storing a single bit here.
llvm-svn: 118126
2010-11-02 23:59:09 +00:00
Chris Lattner 9c9bfb6870 per a suggestion by Frits van Bommel, mark all MBlaze Pseudo
instructions as isCodeGenOnly in the parent class instead of
sprinkling it throughout the .td files.

llvm-svn: 118125
2010-11-02 23:57:05 +00:00
Owen Anderson 0ebd1fd594 Revert r118097 to fix buildbots.
llvm-svn: 118121
2010-11-02 23:47:29 +00:00
Chris Lattner cc5dce89d4 Completely reject instructions that have an operand in their
ins/outs list that isn't specified by their asmstring.  Previously
the asmmatcher would just force a 0 register into it, which clearly
isn't right.  Mark a bunch of ARM instructions that use this as 
isCodeGenOnly.  Some of them are clearly pseudo instructions (like
t2TBB) others use a weird hasExtraSrcRegAllocReq thing that will
either need to be removed or the asmmatcher will need to be taught
about it (someday).

llvm-svn: 118119
2010-11-02 23:40:41 +00:00
Bill Wendling f9eebb58b9 Obsessive formatting changes. No functionality impact.
llvm-svn: 118103
2010-11-02 22:53:11 +00:00
Bill Wendling 23436b6530 Omit unused parameter name.
llvm-svn: 118099
2010-11-02 22:46:04 +00:00
Bill Wendling 91da9abbee Simplify the EncodeInstruction method now that a lot of the special case stuff
is handled with the MC encoder.

llvm-svn: 118098
2010-11-02 22:44:12 +00:00
Owen Anderson 7c30390277 Since these fields are not exactly equivalent to the encoded field, rename them to something with semantic meaning.
llvm-svn: 118097
2010-11-02 22:41:42 +00:00
Bill Wendling 603bd8f54c Rename getAddrModeImm12OpValue to getAddrModeImmOpValue and expand it to work
with immediates up to 16-bits in size. The same logic is applied to other LDR
encodings, e.g. VLDR, but which use a different immediate bit width (8-bits in
VLDR's case). Removing the "12" allows it to be more generic.

llvm-svn: 118094
2010-11-02 22:31:46 +00:00
Owen Anderson a4b63e19d2 Rename encoder methods to match naming convention.
llvm-svn: 118093
2010-11-02 22:28:01 +00:00
Chris Lattner 15977afb02 mark a few codegenonly instructions.
llvm-svn: 118092
2010-11-02 22:26:33 +00:00
Owen Anderson dec87e10fd Provide correct encodings for the remaining vst variants that we currently generate.
llvm-svn: 118087
2010-11-02 22:18:18 +00:00
Owen Anderson adf88d4c5f Tentative encodings for the "single element from one lane" variant of vst1.
llvm-svn: 118084
2010-11-02 21:54:45 +00:00
Owen Anderson b95618cfe0 Add correct encodings for basic variants for vst3 and vst4.
llvm-svn: 118082
2010-11-02 21:47:03 +00:00
Bob Wilson d80b29d6f7 Add NEON VST1-lane instructions. Partial fix for Radar 8599955.
llvm-svn: 118069
2010-11-02 21:18:25 +00:00
Owen Anderson fa08e1e277 Add correct encodings for the basic variants for vst2.
llvm-svn: 118068
2010-11-02 21:16:58 +00:00
Owen Anderson 87c62e54e6 Add correct encodings for the basic form of vst1.
llvm-svn: 118067
2010-11-02 21:06:06 +00:00
Owen Anderson 9f20daf3b4 Factor out a common encoding class for loads and stores with a lane parameter.
llvm-svn: 118055
2010-11-02 20:47:39 +00:00
Owen Anderson a83859539f Add correct encodings for the rest of the vld instructions that we generate.
llvm-svn: 118053
2010-11-02 20:40:59 +00:00
Jim Grosbach 93a4d44ee6 Sort bit assignments. Cosmetic change only.
llvm-svn: 118029
2010-11-02 17:59:04 +00:00
Jim Grosbach 0b7fda23cc Revert r114340 (improvements in Darwin function prologue/epilogue), as it broke
assumptions about stack layout. Specifically, LR must be saved next to FP.

llvm-svn: 118026
2010-11-02 17:35:25 +00:00
Owen Anderson 526ffd57d2 Add correct NEON encodings for vld2, vld3, and vld4 basic variants.
llvm-svn: 117997
2010-11-02 01:24:55 +00:00
Eric Christopher b2abb508ae Remove an assert - it's possible to be hit, and we just want to avoid
handling those cases for now.

llvm-svn: 117996
2010-11-02 01:24:49 +00:00
Eric Christopher ac746e1b38 Whitespeace
llvm-svn: 117995
2010-11-02 01:22:45 +00:00
Eric Christopher e8fccc82e4 No really, no thumb1 for arm fast isel. Also add an informative comment as
to what someone would need to do to support thumb1.

llvm-svn: 117994
2010-11-02 01:21:28 +00:00
Owen Anderson b3ca2060c0 Attempt to provide correct encodings for a number of other vld1 variants, which we can't test
since we can neither generate nor parse them at the moment.

llvm-svn: 117988
2010-11-02 00:24:52 +00:00
Owen Anderson f1610f7910 Add aesthetic break.
llvm-svn: 117986
2010-11-02 00:14:00 +00:00
Owen Anderson ad40234eff Add correct NEON encodings for the "multiple single elements" form of vld.
llvm-svn: 117984
2010-11-02 00:05:05 +00:00
Jim Grosbach 2ba03aa618 Explicitly check for non-consant reference in an LDRi12 instruction. Add FIXME
for handling the fixup necessary.

llvm-svn: 117978
2010-11-01 23:45:50 +00:00
Jim Grosbach a3efae35f5 Remove unused function.
llvm-svn: 117977
2010-11-01 23:40:56 +00:00
Bob Wilson dd9fbaa9c0 Add support for alignment operands on VLD1-lane instructions.
This is another part of the fix for Radar 8599955.

llvm-svn: 117976
2010-11-01 23:40:51 +00:00
Bill Wendling 3f37ade36e Missed reverting this bit.
llvm-svn: 117971
2010-11-01 23:17:54 +00:00
Bill Wendling f7e176a3ec Minor cleanup.
llvm-svn: 117969
2010-11-01 23:11:22 +00:00
Chris Lattner 60d555c178 rearrange a bit.
llvm-svn: 117967
2010-11-01 23:07:52 +00:00
Bob Wilson dc44990c7d Add NEON VLD1-lane instructions. Partial fix for Radar 8599955.
llvm-svn: 117964
2010-11-01 22:04:05 +00:00
Bill Wendling 418bd53008 Move the machine operand MC encoding patterns to the parent classes.
llvm-svn: 117956
2010-11-01 21:17:06 +00:00
Chris Lattner 865dd96f22 use our fancy new MnemonicAlias mechanism to remove a bunch of hacks
from X86AsmParser.cpp

llvm-svn: 117952
2010-11-01 21:06:34 +00:00
Bill Wendling c6627eec13 When we look at instructions to convert to setting the 's' flag, we need to look
at more than those which define CPSR. You can have this situation:

(1)  subs  ...
(2)  sub   r6, r5, r4
(3)  movge ...
(4)  cmp   r6, 0
(5)  movge ...

We cannot convert (2) to "subs" because (3) is using the CPSR set by
(1). There's an analogous situation here:

(1)  sub   r1, r2, r3
(2)  sub   r4, r5, r6
(3)  cmp   r4, ...
(5)  movge ...
(6)  cmp   r1, ...
(7)  movge ...

We cannot convert (1) to "subs" because of the intervening use of CPSR.

llvm-svn: 117950
2010-11-01 20:41:43 +00:00
Bob Wilson 44be217af1 NEON does not support truncating vector stores. Radar 8598391.
llvm-svn: 117940
2010-11-01 18:31:39 +00:00
Jim Grosbach 7d45c101e5 Add FIXME.
llvm-svn: 117936
2010-11-01 18:11:14 +00:00
Jim Grosbach fddf36d254 Add 'IsThumb' predicate to patterns marked as 'IsThumb1Only'. The latter gates
codegen using the patterns; the latter gates the assembler recognizing the
instruction.

llvm-svn: 117931
2010-11-01 17:08:58 +00:00
Jim Grosbach 0190a649e8 Mark ARM subtarget features that are available for the assembler.
llvm-svn: 117929
2010-11-01 16:59:54 +00:00
Jim Grosbach 99710a871c trailing whitespace
llvm-svn: 117927
2010-11-01 16:44:21 +00:00
Jim Grosbach 5b373341fc The T2 extract/pack instructions are only valid in Thumb2 mode. Mark the
patterns as such

llvm-svn: 117923
2010-11-01 15:59:52 +00:00
Bill Wendling 2623343625 Move instruction encoding bits into the parent class and remove the temporary
*_Encode classes. These instructions are the only ones which use those classes,
so a subclass isn't necessary.

llvm-svn: 117906
2010-11-01 06:00:39 +00:00
Chris Lattner 1acd6b1edc "mov[zs]x (mem), GR16" are not ambiguous: the mem
must be 8 bits.  Support this memory form.

llvm-svn: 117902
2010-11-01 05:41:10 +00:00
Chris Lattner dd3b09c234 Implement enough of the missing instalias support to get
aliases installed and working.  They now work when the
matched pattern and the result instruction have exactly
the same operand list.

This is now enough for us to define proper aliases for
movzx and movsx, implementing rdar://8017633 and PR7459.

Note that we do not accept instructions like:
  movzx 0(%rsp), %rsi

GAS accepts this instruction, but it doesn't make any
sense because we don't know the size of the memory
operand.  It could be 8/16/32 bits.

llvm-svn: 117901
2010-11-01 05:34:34 +00:00
Chris Lattner 178f4bb62d make the asm matcher emitter reject instructions that have comments
in their asmstring.  Fix the two x86 "NOREX" instructions that have them.
If these comments are important, the instlowering stuff can print them.

llvm-svn: 117897
2010-11-01 04:44:29 +00:00
Chris Lattner 941c19b7ba reject instructions that contain a \n in their asmstring. Mark
various X86 and ARM instructions that are bitten by this as isCodeGenOnly,
as they are.

llvm-svn: 117884
2010-11-01 00:46:16 +00:00
Chris Lattner 7ff334687d fix the !eq operator in tblgen to return a bit instead of an int.
Use this to make the X86 and ARM targets set isCodeGenOnly=1 
automatically for their instructions that have Format=Pseudo,
resolving a hack in tblgen.

llvm-svn: 117862
2010-10-31 19:22:57 +00:00
Chris Lattner 9492c17baf two changes: make the asmmatcher generator ignore ARM pseudos properly,
and make it a hard error for instructions to not have an asm string.
These instructions should be marked isCodeGenOnly.

llvm-svn: 117861
2010-10-31 19:15:18 +00:00
Chris Lattner 33fc3e095b reapply r117858 with apparent editor malfunction fixed (somehow I
got a dulicated line).

llvm-svn: 117860
2010-10-31 19:10:56 +00:00
Chris Lattner e59eef3dd1 revert r117858 while I check out a failure I missed.
llvm-svn: 117859
2010-10-31 19:05:32 +00:00
Chris Lattner 9293008e90 the asm matcher can't handle operands with modifiers (like ${foo:bar}).
Instead of silently ignoring these instructions, emit a hard error and
force the target author to either refactor the target or mark the 
instruction 'isCodeGenOnly'.

Mark a few instructions in ARM and MBlaze as isCodeGenOnly the are 
doing this.

llvm-svn: 117858
2010-10-31 18:48:12 +00:00
Chris Lattner eb8c0fc2eb sketch out the planned instruction alias mechanism, add some comments about
how the push/pop mnemonic aliases are wrong.

llvm-svn: 117857
2010-10-31 18:43:46 +00:00
Duncan Sands fb0a48ef96 Factorize the duplicated logic for choosing the right argument
calling convention out of the fast and normal ISel files, and
into the calling convention TD file.

llvm-svn: 117856
2010-10-31 13:21:44 +00:00
Duncan Sands fa7e6f2417 Remove CCAssignFnForRet from X86 FastISel in favour of RetCC_X86,
which has the same logic specified in the CallingConv TD file.
This brings FastISel in line with the standard X86 ISel.

llvm-svn: 117855
2010-10-31 13:02:38 +00:00
Eric Christopher 04b0a3e651 Make sure we have a legal type (and simple) before continuing.
llvm-svn: 117848
2010-10-30 21:25:26 +00:00
Chris Lattner aac142cc06 Resolve a terrible hack in tblgen: instead of hardcoding
"In32BitMode" and "In64BitMode" into tblgen, allow any
predicate that inherits from AssemblerPredicate.

llvm-svn: 117831
2010-10-30 19:38:20 +00:00
Chris Lattner 2cb092dc55 Implement (and document!) support for MnemonicAlias's to have Requires
directives, allowing things like this:

def : MnemonicAlias<"pop", "popl">, Requires<[In32BitMode]>;
def : MnemonicAlias<"pop", "popq">, Requires<[In64BitMode]>;

Move the rest of the X86 MnemonicAliases over to the .td file.

llvm-svn: 117830
2010-10-30 19:23:13 +00:00
Chris Lattner 57bfc66d60 really zap alias.
llvm-svn: 117824
2010-10-30 18:23:25 +00:00
Chris Lattner 462bc666d2 move fcompi alias to .td file and zap some useless code.
llvm-svn: 117823
2010-10-30 18:22:53 +00:00
Chris Lattner daae9eea8a move rep aliases to td file
llvm-svn: 117822
2010-10-30 18:17:33 +00:00
Chris Lattner fa40aee871 move sal aliases to .td file.
llvm-svn: 117821
2010-10-30 18:14:54 +00:00
Chris Lattner 4d9f157203 fix an encoding mismatch where "sal %eax, 1" was not using the short encoding
for shl.  Caught by inspection.

llvm-svn: 117820
2010-10-30 18:13:10 +00:00
Chris Lattner 069132311a move a bunch more aliases from .cpp -> .td file.
llvm-svn: 117819
2010-10-30 18:07:17 +00:00
Chris Lattner b4a1674421 move cmov aliases to .td file.
llvm-svn: 117818
2010-10-30 17:56:50 +00:00
Chris Lattner f04cbe6291 move setcc and jcc aliases from .cpp to .td
llvm-svn: 117817
2010-10-30 17:51:45 +00:00
Chris Lattner 72c0b59e81 move some code.
llvm-svn: 117816
2010-10-30 17:38:55 +00:00
Chris Lattner ba7b4fea97 implement (and document!) the first kind of MC assembler alias, which
just remaps one mnemonic to another.  Convert a few of the X86 aliases
from .cpp to .td code.

llvm-svn: 117815
2010-10-30 17:36:36 +00:00
Jim Grosbach bbe2bbd7f7 Add FIXME.
llvm-svn: 117787
2010-10-30 14:54:23 +00:00
Jim Grosbach 4cf25f5ba9 Clean up comments.
llvm-svn: 117785
2010-10-30 13:48:28 +00:00
Jim Grosbach a71c9e2ebf Tidy up.
llvm-svn: 117782
2010-10-30 12:59:16 +00:00
Chris Lattner de30afc3d9 stay out of the reserved namespace
llvm-svn: 117773
2010-10-30 04:57:14 +00:00
Chris Lattner 549a31cd34 simplify this code.
llvm-svn: 117771
2010-10-30 04:35:59 +00:00
Chris Lattner 44e5981c1b split MaybeParseRegister into its two logical uses, eliminating malloc+free traffic.
llvm-svn: 117769
2010-10-30 04:09:10 +00:00
Jim Grosbach 7b275105d6 Avoid re-evaluating MI.getNumOperands() every iteration of the loop.
llvm-svn: 117766
2010-10-30 01:40:16 +00:00
Bob Wilson 7ed597149b Overhaul memory barriers in the ARM backend. Radar 8601999.
There were a number of issues to fix up here:
* The "device" argument of the llvm.memory.barrier intrinsic should be
used to distinguish the "Full System" domain from the "Inner Shareable"
domain.  It has nothing to do with using DMB vs. DSB instructions.
* The compiler should never need to emit DSB instructions.  Remove the
ARMISD::SYNCBARRIER node and also remove the instruction patterns for DSB.
* Merge the separate DMB/DSB instructions for options only used for the
disassembler with the default DMB/DSB instructions.  Add the default
"full system" option ARM_MB::SY to the ARM_MB::MemBOpt enum.
* Add a separate ARMISD::MEMBARRIER_MCR node for subtargets that implement
a data memory barrier using the MCR instruction.
* Fix up encodings for these instructions (except MCR).
I also updated the tests and added a few new ones to check for DMB options
that were not currently being exercised.

llvm-svn: 117756
2010-10-30 00:54:37 +00:00
Jim Grosbach 74ef9e184e Encode the register list operands for ARM mode LDM/STM instructions.
llvm-svn: 117753
2010-10-30 00:37:59 +00:00
Bill Wendling 193961bb1a Some instructions end with an "ls" prefix, but it doesn't indicate that they are
conditional. Check for those instructions explicitly.

llvm-svn: 117747
2010-10-29 23:50:21 +00:00
Jim Grosbach 069f38d1bf Remove hard tab characters.
llvm-svn: 117742
2010-10-29 23:23:15 +00:00
Jim Grosbach 5f0d616ae5 80 column fix.
llvm-svn: 117741
2010-10-29 23:21:57 +00:00
Jim Grosbach 96d828448f trailing whitespace
llvm-svn: 117740
2010-10-29 23:21:03 +00:00
Jim Grosbach 58018e62a8 s/getNEONVcvtImm32/getNEONVcvtImm32OpValue/ to be consistent with other operand
encoder functions.

llvm-svn: 117738
2010-10-29 23:19:55 +00:00
Evan Cheng 99cce36cf5 Fix fpscr <-> GPR latency info.
llvm-svn: 117737
2010-10-29 23:16:55 +00:00
Jim Grosbach 31f23b48ba add FIXME
llvm-svn: 117718
2010-10-29 21:56:51 +00:00
Jim Grosbach 4a0c2d73c3 Convert ARM::MOVi2pieces to a true pseudo-instruction and expand it in
the ARMExpandPseudos pass rather than during the asm lowering.

llvm-svn: 117714
2010-10-29 21:35:25 +00:00
Eric Christopher 5c308f8452 Handle comparison values we already have - this fixes the consumer-typeset
failure for llvm-gcc on arm fast isel.

llvm-svn: 117710
2010-10-29 21:08:19 +00:00
Jim Grosbach e477b1ad30 ARM::MOVi32imm is expanded in ARMExpandPseudoInsts, so there's no need to
handle it in the asm lowering.

llvm-svn: 117707
2010-10-29 20:37:06 +00:00
Jim Grosbach cb8aec8ec9 Fix typo.
llvm-svn: 117703
2010-10-29 20:21:49 +00:00
Jim Grosbach 3b7e05bb97 ARM encoding information for CLREX, SWP and SWPB. Add comment for sjlj pseudos and a FIXME for TLS.
llvm-svn: 117702
2010-10-29 20:21:36 +00:00
Jim Grosbach 4e57b52394 ARM mode LDREX*/STREX* binary encodings.
llvm-svn: 117695
2010-10-29 19:58:57 +00:00
Jim Grosbach 6ae3fba7c8 Encoding information for ARM conditional move instructions.
llvm-svn: 117687
2010-10-29 19:28:17 +00:00
Evan Cheng 6c1414f9c2 Avoiding overly aggressive latency scheduling. If the two nodes share an
operand and one of them has a single use that is a live out copy, favor the
one that is live out. Otherwise it will be difficult to eliminate the copy
if the instruction is a loop induction variable update. e.g.

BB:
sub r1, r3, #1
str r0, [r2, r3]
mov r3, r1
cmp
bne BB

=>

BB:
str r0, [r2, r3]
sub r3, r3, #1
cmp
bne BB

This fixed the recent 256.bzip2 regression.

llvm-svn: 117675
2010-10-29 18:09:28 +00:00
Evan Cheng 0c4c5ca6e1 - Don't schedule nodes with only MVT::Flag and MVT::Other values for latency.
- Compute CopyToReg use operand latency correctly.

llvm-svn: 117674
2010-10-29 18:07:31 +00:00
Jim Grosbach 16bd9f1ab5 Handle ARM addrmode5 instructions with an offset.
llvm-svn: 117672
2010-10-29 17:41:25 +00:00
John Thompson e8360b7182 Inline asm multiple alternative constraints development phase 2 - improved basic logic, added initial platform support.
llvm-svn: 117667
2010-10-29 17:29:13 +00:00
Jim Grosbach 305ec65927 Revert 117660. Apparently it's not as trivial as that...
llvm-svn: 117663
2010-10-29 16:50:53 +00:00
Jim Grosbach 8682b69b81 ARM addrmode5 instructions have neither writeback nor post-indexed modes.
llvm-svn: 117660
2010-10-29 16:38:59 +00:00
Jim Grosbach 624bcc7371 Trailing whitespace.
llvm-svn: 117651
2010-10-29 14:46:02 +00:00
Benjamin Kramer 08b8c534f7 ARMAsmParser: Plug a memory leak.
llvm-svn: 117648
2010-10-29 09:43:39 +00:00
Eric Christopher 91d7b90185 Add an unreachable to silence warning - the switch is actually
fully enumerated.

llvm-svn: 117647
2010-10-29 09:26:59 +00:00
Chris Lattner 5d6f6a061b add simple support for addrmode5 operands, allowing
vldr.64 to work.  I have no idea if this is fully right, but 
it is in the right direction.

llvm-svn: 117626
2010-10-29 00:27:31 +00:00
Chris Lattner d27b05e54a give better error diagnostics, for example:
t.s:1:14: error: invalid operand for instruction
vldr.64	d17, [r0]   
       	     ^

instead of:

t.s:1:1: error: unrecognized instruction
vldr.64	d17, [r0]   
^

llvm-svn: 117611
2010-10-28 21:41:58 +00:00
Chris Lattner f20f79808e hook up getOpcodeName for ARM so that "llc -show-mc-inst" includes
the opcode string in the inst dump, e.g.:
	vmov	r2, r3, d17             @ encoding: [0x31,0x2b,0x53,0xec]
                                        @ <MCInst #989 VMOVRRD
                                        @  <MCOperand Reg:68>
                                        @  <MCOperand Reg:69>
                                        @  <MCOperand Reg:19>
                                        @  <MCOperand Imm:14>
                                        @  <MCOperand Reg:0>>

The "VMOVRRD" is new.

llvm-svn: 117609
2010-10-28 21:37:33 +00:00
Chris Lattner 9487de6160 move a method out of line.
llvm-svn: 117605
2010-10-28 21:28:01 +00:00
Chris Lattner 9f9f4ebf0c remove the rest of hte owningptr's, no functionality change.
llvm-svn: 117603
2010-10-28 20:52:15 +00:00
Benjamin Kramer 851a994a42 Reduce malloc thrashing.
llvm-svn: 117572
2010-10-28 18:41:23 +00:00
Jim Grosbach 505607e4c6 PLD, PLDW, PLI encodings, plus refactor their use of addrmode2.
llvm-svn: 117571
2010-10-28 18:34:10 +00:00
Chris Lattner b24ba7be49 rearrange ParseRegisterList.
llvm-svn: 117560
2010-10-28 17:23:41 +00:00
Chris Lattner bd7c9fa36b refactor some code to simplify it, eliminating some owningptr's.
llvm-svn: 117559
2010-10-28 17:20:03 +00:00
Evan Cheng ff310737e5 Re-commit 117518 and 117519 now that ARM MC test failures are out of the way.
llvm-svn: 117531
2010-10-28 06:47:08 +00:00
Evan Cheng e2c211c1b9 Revert 117518 and 117519 for now. They changed scheduling and cause MC tests to fail. Ugh.
llvm-svn: 117520
2010-10-28 02:00:25 +00:00
Evan Cheng ff1c862f8e - Assign load / store with shifter op address modes the right itinerary classes.
- For now, loads of [r, r] addressing mode is the same as the
  [r, r lsl/lsr/asr #] variants. ARMBaseInstrInfo::getOperandLatency() should
  identify the former case and reduce the output latency by 1.
- Also identify [r, r << 2] case. This special form of shifter addressing mode
  is "free".

llvm-svn: 117519
2010-10-28 01:49:06 +00:00
Dale Johannesen 9c3f6bf2bf Fix pastos in handling of AVX cvttsd2si, PR8491.
Bruno, please review, but I'm pretty sure this is right.
Patch by Alex Mac!

llvm-svn: 117514
2010-10-28 00:35:54 +00:00
Owen Anderson 2ef668840a Add correct NEON encodings for vtbl and vtbx.
llvm-svn: 117513
2010-10-28 00:18:46 +00:00
Owen Anderson 14be930317 Add correct NEON encodings for vext, vtrn, vuzp, and vzip.
llvm-svn: 117512
2010-10-27 23:56:39 +00:00
Bob Wilson 6c55007edb Fix compiler warnings about signed/unsigned comparisons.
llvm-svn: 117511
2010-10-27 23:49:00 +00:00
Evan Cheng 59bbc545e0 Shifter ops are not always free. Do not fold them (especially to form
complex load / store addressing mode) when they have higher cost and
when they have more than one use.

llvm-svn: 117509
2010-10-27 23:41:30 +00:00
Jim Grosbach 338de3ee56 Refactor ARM STR/STRB instruction patterns into STR{B}i12 and STR{B}rs, like
the LDR instructions have. This makes the literal/register forms of the
instructions explicit and allows us to assign scheduling itineraries
appropriately. rdar://8477752

llvm-svn: 117505
2010-10-27 23:12:14 +00:00
Owen Anderson fadb951e5b Provide correct encodings for NEON vcvt, which has its own special immediate encoding
for specifying fractional bits for fixed point conversions.

llvm-svn: 117501
2010-10-27 22:49:00 +00:00
Jim Grosbach 055de2c789 Trailing whitespace
llvm-svn: 117496
2010-10-27 21:39:08 +00:00
Owen Anderson ed9652f959 Provide correct encodings for the get_lane and set_lane variants of vmov.
llvm-svn: 117495
2010-10-27 21:28:09 +00:00
Kevin Enderby 5e7cb5fc27 Added the x86 instruction ud2b (2nd official undefined instruction).
llvm-svn: 117485
2010-10-27 20:46:49 +00:00
Jim Grosbach f4ea7084c5 JIT imm12 encoding for constant pool entry references.
llvm-svn: 117483
2010-10-27 20:39:40 +00:00
Bob Wilson c7334a146e SelectionDAG shuffle nodes do not allow operands with different numbers of
elements than the result vector type.  So, when an instruction like:

%8 = shufflevector <2 x float> %4, <2 x float> %7, <4 x i32> <i32 1, i32 0, i32 3, i32 2>

is translated to a DAG, each operand is changed to a concat_vectors node that appends 2 undef elements.  That is:

shuffle [a,b], [c,d] is changed to:
shuffle [a,b,u,u], [c,d,u,u]

That's probably the right thing for x86 but for NEON, we'd much rather have:

shuffle [a,b,c,d], undef

Teach the DAG combiner how to do that transformation for ARM.  Radar 8597007.

llvm-svn: 117482
2010-10-27 20:38:28 +00:00
Jim Grosbach 333b0a9e74 ARM JIT fix for LDRi12 and company.
llvm-svn: 117478
2010-10-27 19:55:59 +00:00
Owen Anderson 40d24a4abf Provide correct NEON encodings for vdup.
llvm-svn: 117475
2010-10-27 19:25:54 +00:00
Michael J. Spencer 7db918f1e9 x86-Win32: Switch ftol2 calling convention from stdcall to C.
llvm-svn: 117474
2010-10-27 18:52:38 +00:00
Jim Grosbach ba1c6cd62f The new LDR* instruction patterns should handle the necessary encoding of
operands in the TableGen'erated bits, so we don't need to do the additional
magic explicitly.

llvm-svn: 117461
2010-10-27 17:52:51 +00:00
Owen Anderson 8576a42cf3 Add correct NEON encodings for vsli and vsri.
llvm-svn: 117459
2010-10-27 17:40:08 +00:00
Owen Anderson d7e8135e1e Add correct NEON encodings for vsra and vrsra.
llvm-svn: 117458
2010-10-27 17:29:29 +00:00
Jim Grosbach 8bf1483a3d The immediate operands of an LDRi12 instruction doesn't need the addrmode2
encoding tricks. Handle the 'imm doesn't fit in the insn' case.

llvm-svn: 117454
2010-10-27 16:50:31 +00:00
Kevin Enderby 9ad2166899 Yet another tweak to X86 instructions to add ud2a as an alias to ud2
(still to add ud2b).

llvm-svn: 117435
2010-10-27 03:01:02 +00:00
Kevin Enderby 20b021c970 Another tweak to X86 instructions to add the missing flex instruction (without
the wait prefix).

llvm-svn: 117434
2010-10-27 02:53:04 +00:00
Kevin Enderby a1917c7555 Tweaks to X86 instructions to allow the 'w' suffix in places it makes
sense, when the instruction takes the 16-bit ax register or m16 memory
location.  These changes to llvm-mc matches what the darwin assembler
allows for these instructions.  Done differently than in r117031 that
caused a valgrind error which was later reverted.

llvm-svn: 117433
2010-10-27 02:32:19 +00:00
Jim Grosbach 9d2d1f0f00 LDRi12 machine instructions handle negative offset operands normally (simple
integer values), not with the addrmode2 encoding.

llvm-svn: 117429
2010-10-27 01:19:41 +00:00
Kevin Enderby ba985d9dd5 Added some aliases to the fcomip and fucompi Intel instructions. So that llvm-mc
will accept versions that the darwin assembler allows.  Forms ending in "pi" and
forms without all the operands.

llvm-svn: 117427
2010-10-27 00:59:28 +00:00
Jim Grosbach 2577b2e8b1 One more spot where the new arm mode LDR instruction representation
doesn't need the additional addrmode2 register operand. Missed it the first
time around.

llvm-svn: 117421
2010-10-27 00:38:16 +00:00
Wesley Peck e9b429e96f Adding disassembler to the MicroBlaze backend.
llvm-svn: 117420
2010-10-27 00:23:01 +00:00
Jim Grosbach 5a7c715470 Split ARM::LDRB into LDRBi12 and LDRBrs. Adjust accordingly. Continuing on
rdar://8477752.

llvm-svn: 117419
2010-10-27 00:19:44 +00:00
Jim Grosbach a92801b695 Since I parameterized this bit, I should probably actually use said parameter.
llvm-svn: 117418
2010-10-26 23:58:04 +00:00
Dale Johannesen e660f4d072 Use a MemIntrinsicSDNode for ISD::PREFETCH, which touches
memory, so a MachineMemOperand is useful (not propagated
into the MachineInstr yet).  No functional change except
for dump output.

llvm-svn: 117413
2010-10-26 23:11:10 +00:00
Owen Anderson 825b2d1946 Add correct NEON encodings for vqshl, vqshrn, vqshrun, vqrshl, vqshrn, and vqrshrun.
llvm-svn: 117411
2010-10-26 22:50:46 +00:00
Jim Grosbach 1e4d9a17c2 First part of refactoring ARM addrmode2 (load/store) instructions to be more
explicit about the operands. Split out the different variants into separate
instructions. This gives us the ability to, among other things, assign
different scheduling itineraries to the variants. rdar://8477752.

llvm-svn: 117409
2010-10-26 22:37:02 +00:00
Owen Anderson 2888e2c7f9 Correct NEON encodings for vshrn, vrshl, vrshr, vrshrn.
llvm-svn: 117402
2010-10-26 21:58:41 +00:00
Owen Anderson e18579976f Simplify classes for shift instructions, which are never commutable.
llvm-svn: 117398
2010-10-26 21:13:59 +00:00
Owen Anderson 3665fee8de Provide correct NEON encodings for vshl, register and immediate forms.
llvm-svn: 117394
2010-10-26 20:56:57 +00:00
Jim Grosbach 9302bfdd5a Grammar.
llvm-svn: 117388
2010-10-26 19:34:41 +00:00
Jim Grosbach 79b3bf4d81 Nuke extraneous comment. It's applicable elsewhere, but not in this func.
llvm-svn: 117387
2010-10-26 19:22:23 +00:00
Owen Anderson 691ce68d3c Add correct NEON encoding for vpadal.
llvm-svn: 117380
2010-10-26 18:18:03 +00:00
Rafael Espindola d94f3b4ae9 handle X86::EH_RETURN64 and X86::EH_RETURN.
llvm-svn: 117378
2010-10-26 18:09:55 +00:00
Owen Anderson 284cb361d1 Add NEON encodings for vmov and vmvn of immediates.
llvm-svn: 117374
2010-10-26 17:40:54 +00:00
Rafael Espindola e8ae98817a Implement some relaxations for arithmetic instructions. The limitation
on RIP relative relocations looks artificial, but this is a superset of
what we were able to do before.

llvm-svn: 117364
2010-10-26 14:09:12 +00:00
Kalle Raiskila a49d062234 Change v64 datalayout in SPU.
The SPU ABI does not mention v64, and all examples
in C suggest v128 are treated similarily to arrays, 
we use array alignment for v64 too. This makes the 
alignment of e.g. [2 x <2 x i32>] behave "intuitively"
and similar to as if the elements were e.g. i32s.

This also makes an "unaligned store" test to be 
aligned, with different (but functionally equivalent)
code generated.

llvm-svn: 117360
2010-10-26 10:45:47 +00:00
Evan Cheng e96b8d7ab6 Use instruction itinerary to determine what instructions are 'cheap'.
llvm-svn: 117348
2010-10-26 02:08:50 +00:00
Evan Cheng b45591979b NEON vmov's are in Neon domain.
llvm-svn: 117347
2010-10-26 02:03:05 +00:00
Bob Wilson 59f7cdaf98 Tidy up redundant check.
llvm-svn: 117331
2010-10-26 00:02:19 +00:00
Rafael Espindola d9d0c348df Produce the headers directly in the Finish method. This allows us to use
the existing streamer methods that are endian safe.

llvm-svn: 117323
2010-10-25 22:26:55 +00:00
Dale Johannesen ec57ac1c3c An stdcall function calling a non-stdcall function
cannot use tailcall.  PR 8461.

llvm-svn: 117322
2010-10-25 22:17:05 +00:00
Owen Anderson 1f6aad053d Add correct encodings for NEON vabal.
llvm-svn: 117315
2010-10-25 21:29:04 +00:00
Owen Anderson b9c91679aa Add correct NEON encodings for vaba.
llvm-svn: 117309
2010-10-25 20:52:57 +00:00
Owen Anderson dd001b89d7 Attempt to provide correct encodings for NEON vbit and vbif, even though we can't test them at the moment.
llvm-svn: 117294
2010-10-25 20:17:22 +00:00
Owen Anderson dea09c7564 Provide correct NEON encodings for vbsl.
llvm-svn: 117293
2010-10-25 20:13:13 +00:00
Jim Grosbach e6fe1a03c7 imm12 operands aren't Thumb2 only, so rename the printer helper function.
llvm-svn: 117291
2010-10-25 20:00:01 +00:00
Owen Anderson 2477446ee5 Add correct instruction encodings for vbic, vorn, and vmvn.
llvm-svn: 117282
2010-10-25 18:43:52 +00:00
Rafael Espindola 752913d6ba Add a virtual destructor.
llvm-svn: 117280
2010-10-25 18:38:32 +00:00
Owen Anderson dff239c5f9 Provide correct NEON encodings for vand, veor, and vorr.
llvm-svn: 117279
2010-10-25 18:28:30 +00:00
Owen Anderson feb3ee0c93 Add NEON encoding tests for vcgt and vacgt.
llvm-svn: 117276
2010-10-25 18:03:59 +00:00
Rafael Espindola 0ed1543d4e Add support for emitting ARM file attributes.
llvm-svn: 117275
2010-10-25 17:50:35 +00:00
Owen Anderson e5d0677173 Add tests for NEON encodings of vcge and vacge.
llvm-svn: 117274
2010-10-25 17:49:32 +00:00
Owen Anderson c178b80f65 Add a warning about our inability to test the encoding of vceq with immediate zero.
llvm-svn: 117273
2010-10-25 17:33:02 +00:00
Rafael Espindola 800fd3533c Add X86::reloc_global_offset_table and use it to have a single place where
we check for _GLOBAL_OFFSET_TABLE_.

llvm-svn: 117241
2010-10-24 17:35:42 +00:00
Eric Christopher c9616f26bd Move rejection of NEON parameters earlier in fast isel call processing,
note that we can actually handle some f64 arguments.

llvm-svn: 117209
2010-10-23 09:37:17 +00:00
Benjamin Kramer de0a4fbf3b Make the disassembler tables const so they end up in read-only memory.
llvm-svn: 117206
2010-10-23 09:10:44 +00:00
Michael J. Spencer aa19ee17c0 X86: Emit _fltused instead of __fltused on Windows x64.
llvm-svn: 117205
2010-10-23 09:06:59 +00:00
Chandler Carruth 82058c05f8 Move the remaining attribute macros to systematic names based on the attribute
name and prefixed with 'LLVM_'.

llvm-svn: 117203
2010-10-23 08:40:19 +00:00
Chandler Carruth 9873c9039e Remove a define which is never referenced.
llvm-svn: 117202
2010-10-23 08:25:16 +00:00
Chandler Carruth 88c54b82c1 Switch attribute macros to use 'LLVM_' as a prefix. We retain the old names
until other LLVM projects using these are cleaned up.

llvm-svn: 117200
2010-10-23 08:10:43 +00:00
Evan Cheng 817bbac4f7 Enable ARM fastcc.
llvm-svn: 117194
2010-10-23 02:19:37 +00:00
Evan Cheng ad79526471 Latency between CPSR def and branch is zero.
llvm-svn: 117192
2010-10-23 02:04:38 +00:00
Jim Grosbach 696fe9d36c Trailing whitespace.
llvm-svn: 117188
2010-10-22 23:48:29 +00:00
Gabor Greif b171ca0a47 fix memory-layout assumption which only holds on little-endian systems
llvm-svn: 117176
2010-10-22 23:16:11 +00:00
Jim Grosbach 2c9ae05c67 ARM mode encoding information for CLZ, RBIT, REV*, and PKH*.
llvm-svn: 117165
2010-10-22 22:12:16 +00:00
Evan Cheng 77a38320c7 Transfer implicit ops when forming load multiple and return instructions.
llvm-svn: 117151
2010-10-22 21:29:58 +00:00
Owen Anderson 9d0122af7d Add correct NEON encodings for vqdmlal.
llvm-svn: 117134
2010-10-22 19:35:48 +00:00
Jim Grosbach 2b80543fc2 Add the encoding information for the rest of the ARM mode multiply instructions.
llvm-svn: 117133
2010-10-22 19:15:30 +00:00
Owen Anderson 3d0264667f Provide correct encodings for NEON vmlal.
llvm-svn: 117131
2010-10-22 19:05:25 +00:00
Evan Cheng 21abfc9450 Silence compiler warnings.
llvm-svn: 117128
2010-10-22 18:57:05 +00:00
Owen Anderson f48719f1b5 Provide correct NEON encodings for vmla.
llvm-svn: 117126
2010-10-22 18:54:37 +00:00
Jim Grosbach 6956a60563 More ARM multiply instuction binary encodings.
llvm-svn: 117121
2010-10-22 18:35:16 +00:00
Evan Cheng 08dd8c8295 Add fastcc cc: pass and return VFP / NEON values in registers. Controlled by -arm-fastcc for now.
llvm-svn: 117119
2010-10-22 18:23:05 +00:00
Jim Grosbach f98df0849f Parameterize a bit of ARM encoding information, simplifying some instruction
definitions.

llvm-svn: 117114
2010-10-22 17:42:06 +00:00
Benjamin Kramer 9192e7ab12 Make some symbols static, move classes into anonymous namespaces.
llvm-svn: 117111
2010-10-22 17:35:07 +00:00
Jim Grosbach 22261600a8 More ARM multiply instruction encoding information.
llvm-svn: 117108
2010-10-22 17:16:17 +00:00
Wesley Peck 1851090515 Making the e_machine configurable by the target backend in ELFObjectWriter.
llvm-svn: 117099
2010-10-22 15:52:49 +00:00
Andrew Trick edd006c1c3 Reverting r117031 to cleanup valgrind errors.
It doesn't look like anything is wrong with the checkin,
but the new test cases expose a mem bug in AsmParser.

llvm-svn: 117087
2010-10-22 03:58:29 +00:00
Eric Christopher 93bbe6599f Add some basic ret instruction support to arm fast-isel.
llvm-svn: 117085
2010-10-22 01:28:00 +00:00
Sean Callanan 9f6c622f88 Fixed handling of immediate operand sizes, which
weren't properly reflecting the OperandSize attribute
of the instruction leading to improper decoding of
certain instructions with the 66H prefix.  Also added
a test case for this.

llvm-svn: 117084
2010-10-22 01:24:11 +00:00
Jim Grosbach e2ec62e252 ARM binary encoding for some of the multiply instructions.
llvm-svn: 117080
2010-10-21 22:52:30 +00:00
Jim Grosbach a97becfaac ARM binary encodings for MVN variants.
llvm-svn: 117076
2010-10-21 22:19:32 +00:00
Jim Grosbach 5edb03ee57 ARM Binary encoding information for BFC/BFI instructions.
llvm-svn: 117072
2010-10-21 22:03:21 +00:00
Eric Christopher 2f8637d393 These don't need to be virtual.
llvm-svn: 117068
2010-10-21 21:47:51 +00:00
Owen Anderson 2bfa8ed045 Move the encoding logic for Q registers into getMachineOpValue().
llvm-svn: 117060
2010-10-21 20:49:13 +00:00
Owen Anderson 9e44cf2bb2 ARM encodes Q registers as 2xregno (i.e. the number of the D register that corresponds to the lower
half of the Q register), rather than with just regno.  This allows us to unify the encodings for
a lot of different NEON instrucitons that differ only in whether they have Q or D register operands.

llvm-svn: 117056
2010-10-21 20:21:49 +00:00
Eric Christopher b353e4f579 Handle storing args to the stack for calls.
llvm-svn: 117055
2010-10-21 20:09:54 +00:00
Wesley Peck a7f6150c14 Adding initial AsmParser implementation for the MBlaze backend. It is
mostly based on the ARM AsmParser at this time and is not particularly
functional.

Changed the MBlaze data layout from:
    "E-p:32:32-i8:8:8-i16:16:16-i64:32:32-f64:32:32-v64:32:32-v128:32:32-n32"
to:
    "E-p:32:32:32-i8:8:8-i16:16:16"
because the MicroBlaze doesn't have i64, f64, v64, or v128 data types.

Cleaned up the MBlaze source code:
    1. The floating point register class has been removed. The
       MicroBlaze does not have floating point registers. Floating
       point values are simply stored in integer registers.
    2. Renaming the CPURegs register class to GPR to reflect the
       standard naming.
    3. Removing a lot of stale code from AsmPrinter after
       the conversion to InstPrinter.
    4. Simplified sign extended loads by marking them as
       expanded in ISelLowering.

llvm-svn: 117054
2010-10-21 19:48:38 +00:00
Eric Christopher 73bc5b0f86 More load/store refactoring, call reg+offset simplification from within
the emitter to handle the addresses. Only simplify the offset if we need
to - also fix bug where in addrmode 5 we weren't dividing the offset by
4, which showed up due to not always lowering.

llvm-svn: 117051
2010-10-21 19:40:30 +00:00
Jim Grosbach d37f0715b1 trailing whitespace
llvm-svn: 117050
2010-10-21 19:38:40 +00:00
Owen Anderson 6b7e401049 Add correct NEON encodings for vhadd and vrhadd.
llvm-svn: 117047
2010-10-21 18:55:04 +00:00
Owen Anderson 9561084188 Add correct encodings for NEON vaddw.s* and vaddw.u*.
llvm-svn: 117040
2010-10-21 18:20:25 +00:00
Owen Anderson 15c97706e8 Provide correct NEON encodings for vaddl.u* and vaddl.s*.
llvm-svn: 117039
2010-10-21 18:09:17 +00:00
Kevin Enderby 0138a05557 More tweaks to X86 instructions to allow the 'w' suffix in places it makes
sense, when the instruction takes the 16-bit ax register or m16 memory
location.  These changes to llvm-mc matches what the darwin assembler allows
for these instructions.  Also added the missing flex (without the wait prefix)
and ud2a as an alias to ud2 (still to add ud2b).

llvm-svn: 117031
2010-10-21 17:16:46 +00:00
Duncan Sands b014abf3ef The return value of this call is not used, so no point
in assigning it to a variable (gcc-4.6 warning).

llvm-svn: 117024
2010-10-21 16:06:28 +00:00
Duncan Sands ee4eb2bad1 Remove some variables that are never really used
(gcc-4.6 warns about these).

llvm-svn: 117021
2010-10-21 16:03:28 +00:00
Duncan Sands 1f0d37e892 Add parentheses to pacify gcc, which warns otherwise.
llvm-svn: 117020
2010-10-21 16:02:12 +00:00
Wesley Peck f7ecd9e8bb Removing stale AsmPrinter directory from MicroBlaze backend.
llvm-svn: 116998
2010-10-21 05:05:06 +00:00
Oscar Fuentes 3e79a47a7a Deleted lib/Target/MBlaze/AsmPrinter/CMakeLists.txt. This way the
CMake build does not try to build that library, which collides with
MBlaze/InstPrinter.

llvm-svn: 116997
2010-10-21 05:01:26 +00:00
Wesley Peck c16f77fb27 Recommit 116986 with capitalization typo fixed.
llvm-svn: 116993
2010-10-21 03:57:26 +00:00
Andrew Trick f4ebec03e0 putback r116983 and fix simple-fp-encoding.ll tests
llvm-svn: 116992
2010-10-21 03:40:16 +00:00
Wesley Peck 078db00f1d Reverting the commit 116986. It was breaking the build on llvm-x86_64-linux though it
compiles on OS X. I'll ensure that it builds on a linux machine before committing
again.

llvm-svn: 116991
2010-10-21 03:34:22 +00:00
Owen Anderson 9e00f27e14 Revert r116983, which is breaking all the buildbots.
llvm-svn: 116987
2010-10-21 03:11:16 +00:00
Wesley Peck f608ac4db9 Major update of the MicroBlaze backend. The new features are:
1. A delay slot filler that searches for valid instructions
       to fill the delay slot with. Previously NOPs would always
       be inserted into delay slots.
    2. Support for MC based instruction printer added.
    3. Support for MC based machine code generation and ELF
       file generation. ELF file generation does not yet
       completely work as much of the ELF support infrastructure
       is still x86/x86-64 specific.
    4. General clean up of the MBlaze backend code. Much of the
       tablegen code has been cleanup and simplified.

Bug Fixes:
    1. Removed duplicate periods from subtarget feature descriptions.
    2. Many of the instructions had bad machine code information
       in the tablegen files. Much of this has been fixed.

llvm-svn: 116986
2010-10-21 03:09:55 +00:00
Michael J. Spencer f509c6ca27 X86: Add alloca probing to dynamic alloca on Windows. Fixes PR8424.
llvm-svn: 116984
2010-10-21 01:41:01 +00:00
Evan Cheng 15c2ac90ec Add missing scheduling itineraries for transfers between core registers and VFP registers.
llvm-svn: 116983
2010-10-21 01:12:00 +00:00
Owen Anderson 6083502848 Implement correct encodings for NEON vadd, both integer and floating point.
llvm-svn: 116981
2010-10-21 00:48:00 +00:00
Michael J. Spencer 83ce5f181f CodeGen-Windows: Only emit _fltused if a VarArg function is called with floating point args.
This should be the minimum set of functions that could possibly need it.

llvm-svn: 116978
2010-10-21 00:08:21 +00:00
Eric Christopher 4ac3ed0219 Custom lower f64 args passed in integer registers.
llvm-svn: 116977
2010-10-21 00:01:47 +00:00
Michael J. Spencer 9cafc872ab Fix Whitespace.
llvm-svn: 116972
2010-10-20 23:40:27 +00:00
Bill Wendling a65f914bb0 Add encoding for moving a value between two ARM core registers and a doublework
extension register.

llvm-svn: 116970
2010-10-20 23:37:40 +00:00
Bill Wendling 058190507b Add encodings for movement between ARM core registers and single-precision
registers.

llvm-svn: 116961
2010-10-20 22:44:54 +00:00
Dale Johannesen ff37675c72 Fix crash introduced in 116852. 8573915.
llvm-svn: 116955
2010-10-20 22:03:37 +00:00
Dale Johannesen 320a553319 Remove Synthesizable from the Type system; as MMX vector
types are no longer Legal on X86, we don't need it.
No functional change.  8499854.

llvm-svn: 116947
2010-10-20 21:32:10 +00:00
Rafael Espindola 89f6613e76 Handle _GLOBAL_OFFSET_TABLE_ correctly.
llvm-svn: 116932
2010-10-20 16:46:08 +00:00
Chandler Carruth 1898262a33 Remove remaining uses of ATTRIBUTE_UNUSED on variables, and delete three
#includes in the process.

llvm-svn: 116919
2010-10-20 08:27:02 +00:00
Eric Christopher af719ef86b Fix a TODO by removing some unnecesary copies.
llvm-svn: 116915
2010-10-20 08:02:24 +00:00
Jim Grosbach 723159ef77 Fix backwards conditional.
llvm-svn: 116897
2010-10-20 01:10:01 +00:00
Jim Grosbach cb6fc2b2de Add dynamic realignment when rematerializing the base register.
llvm-svn: 116886
2010-10-20 00:02:50 +00:00
Jim Grosbach f99ee7cd91 Nuke a commented out bit that got missed a while back.
llvm-svn: 116883
2010-10-19 23:48:47 +00:00
Jim Grosbach bbdc5d2ef9 Add a pre-dispatch SjLj EH hook on the unwind edge for targets to do any
setup they require. Use this for ARM/Darwin to rematerialize the base
pointer from the frame pointer when required. rdar://8564268

llvm-svn: 116879
2010-10-19 23:27:08 +00:00
Jim Grosbach 3ed6338ff2 Update comments to remove obsolete references.
llvm-svn: 116863
2010-10-19 21:34:47 +00:00
Dale Johannesen 710a2d9d46 Enable using vdup for vector constants which are splat of
integers by default, and remove the controlling flag, now
that LICM will hoist such vdup's.  8003375.

llvm-svn: 116852
2010-10-19 20:00:17 +00:00
Evan Cheng 63c7608c34 Re-enable register pressure aware machine licm with fixes. Hoist() may have
erased the instruction during LICM so UpdateRegPressureAfter() should not
reference it afterwards.

llvm-svn: 116845
2010-10-19 18:58:51 +00:00
Owen Anderson 6c18d1aac0 Get rid of static constructors for pass registration. Instead, every pass exposes an initializeMyPassFunction(), which
must be called in the pass's constructor.  This function uses static dependency declarations to recursively initialize
the pass's dependencies.

Clients that only create passes through the createFooPass() APIs will require no changes.  Clients that want to use the
CommandLine options for passes will need to manually call the appropriate initialization functions in PassInitialization.h
before parsing commandline arguments.

I have tested this with all standard configurations of clang and llvm-gcc on Darwin.  It is possible that there are problems
with the static dependencies that will only be visible with non-standard options.  If you encounter any crash in pass
registration/creation, please send the testcase to me directly.

llvm-svn: 116820
2010-10-19 17:21:58 +00:00
Daniel Dunbar 418204e523 Revert r116781 "- Add a hook for target to determine whether an instruction def
is", which breaks some nightly tests.

llvm-svn: 116816
2010-10-19 17:14:24 +00:00
Che-Liang Chiou 05046a177d Add lower argument and return of device function
llvm-svn: 116805
2010-10-19 13:14:40 +00:00
Michael J. Spencer 3e64de9504 X86: Add MS-CRT libcalls.
llvm-svn: 116801
2010-10-19 07:32:52 +00:00
Michael J. Spencer 8b382e7e10 Fix Whitespace.
llvm-svn: 116800
2010-10-19 07:32:42 +00:00
Evan Cheng 8249dfe6ce - Add a hook for target to determine whether an instruction def is
"long latency" enough to hoist even if it may increase spilling. Reloading
  a value from spill slot is often cheaper than performing an expensive
  computation in the loop. For X86, that means machine LICM will hoist
  SQRT, DIV, etc. ARM will be somewhat aggressive with VFP and NEON
  instructions.
- Enable register pressure aware machine LICM by default.

llvm-svn: 116781
2010-10-19 00:55:07 +00:00
Bob Wilson b6d61dc291 Support alignment for NEON vld-lane and vst-lane instructions.
llvm-svn: 116776
2010-10-19 00:16:32 +00:00
Kevin Enderby 49843c0162 Added a few tweaks to the Intel Descriptor-table support instructions to allow
word forms and suffixed versions to match the darwin assembler in 32-bit and
64-bit modes.  This is again for use just with assembly source for llvm-mc .

llvm-svn: 116773
2010-10-19 00:01:44 +00:00
Jim Grosbach 1c6fd774f7 ARM encoding information for [SU]SAT* instructions.
llvm-svn: 116768
2010-10-18 23:35:38 +00:00
Eric Christopher 7b92c2a9a0 Revert r116220 - thus turning arm fast isel back on by default.
llvm-svn: 116762
2010-10-18 22:53:53 +00:00
Bill Wendling 337a31133b Don't recompute MachineRegisterInfo in the Optimize* method.
llvm-svn: 116750
2010-10-18 21:22:31 +00:00
Jim Grosbach 6706f3c4b4 For Thumb2, try to use frame pointer references for stack slots even when a
base register is available. rdar://8525298

llvm-svn: 116729
2010-10-18 18:39:46 +00:00
Rafael Espindola e3dc9e2ea1 Produce ELF::R_386_GOTPC relocations.
llvm-svn: 116728
2010-10-18 18:36:12 +00:00
Kevin Enderby b9783dd9bc Added a handful of x86-32 instructions that were missing so that llvm-mc would
be more complete.  These are only expected to be used by llvm-mc with assembly
source so there is no pattern, [], in the .td files.  Most are being added to
X86InstrInfo.td as Chris suggested and only comments about register uses are
added.  Suggestions welcome on the .td changes as I'm not sure on every detail
of the x86 records.  More missing instructions will be coming.

llvm-svn: 116716
2010-10-18 17:04:36 +00:00
Jim Grosbach 00fe92da6b ARM addrmode4 instructions (ldm, stm and friends) can't encode an immediate
offset for stack references. Make sure we take that into account when
deciding whether to reserver an emergency spill slot for the register
scavenger. rdar://8559625

llvm-svn: 116714
2010-10-18 16:48:59 +00:00
Jim Grosbach e8a0eaafe6 Grammar tweak.
llvm-svn: 116712
2010-10-18 16:38:50 +00:00
Kalle Raiskila 5f2034c455 Improve lowering of sext to i128 on SPU.
The old algorithm inserted a 'rotqmbyi' instruction which was
both redundant and wrong - it made shufb select bytes from the
wrong end of the input quad.

llvm-svn: 116701
2010-10-18 09:34:19 +00:00
Eric Christopher 167a700229 Remove the check for invalid calling conventions. Testing shows that they're
working just fine.

llvm-svn: 116698
2010-10-18 06:49:12 +00:00
Eric Christopher c103c668ce Lift arg promotion from the X86 backend. This should be unified at some point.
llvm-svn: 116694
2010-10-18 02:17:53 +00:00
Eric Christopher a8a9f3c52b Now that we handle all allocas via a non-SP reg offset remove all of the
special case handling for ARM::SP.

llvm-svn: 116688
2010-10-17 11:08:44 +00:00
Eric Christopher 730764da62 Allow more load types to be materialized through the allocas.
llvm-svn: 116683
2010-10-17 06:07:26 +00:00
Eric Christopher d265b3fcfe Optimize GEP off of intermediate allocas.
llvm-svn: 116681
2010-10-17 01:51:42 +00:00
Eric Christopher a0b9c2e9c0 Fix comment.
llvm-svn: 116680
2010-10-17 01:42:53 +00:00
Eric Christopher abc3a9d34b Turn on AddOperator folding in GEP.
llvm-svn: 116679
2010-10-17 01:41:46 +00:00
Eric Christopher 947e422c46 Use the i12 immediate versions of the load instructions - they're handled
more in the post-passes.

llvm-svn: 116678
2010-10-17 01:40:27 +00:00
Rafael Espindola 4262a22225 Add a MCObjectFormat class so that code common to all targets that use a
single object format can be shared.

This also adds support for

mov zed+(bar-foo), %eax

on ELF and COFF targets.

llvm-svn: 116675
2010-10-16 18:23:53 +00:00
Michael J. Spencer 5e683250ee X86-Windows: Emit an undefined global __fltused symbol when targeting Windows
if any floating point arguments are passed to an external function.

llvm-svn: 116665
2010-10-16 08:25:41 +00:00
Eric Christopher c918d550b6 Fix some funky formatting that got through.
llvm-svn: 116653
2010-10-16 01:10:35 +00:00
Bill Wendling 5f5b922ec6 ARMCodeEmitter::emitMiscInstruction is dead. Long live
ARMCodeEmitter::emitMiscInstruction!

llvm-svn: 116644
2010-10-15 23:35:12 +00:00
Eric Christopher f410acbbd5 Make sure offset is 0 for load/store register to the stack call.
llvm-svn: 116640
2010-10-15 23:07:10 +00:00
Eric Christopher d2466687bf Formatting.
llvm-svn: 116635
2010-10-15 22:49:28 +00:00
Eric Christopher a3e64c1791 Fix else if -> if in store machinery.
llvm-svn: 116628
2010-10-15 22:32:37 +00:00
Bill Wendling 399add01d4 Reformatting. No functionalogicality changes.
llvm-svn: 116625
2010-10-15 21:50:45 +00:00
Eric Christopher a9b3901b47 Refactor ARM fast-isel reg + offset to be a base + offset.
llvm-svn: 116622
2010-10-15 21:32:12 +00:00
Jim Grosbach 90f74fe16a Encoding information for the various ARM saturating add/sub instructions.
llvm-svn: 116612
2010-10-15 19:49:46 +00:00
Jim Grosbach 00ce8deae6 ARM binary encoding information for RSB and RSC instructions.
llvm-svn: 116604
2010-10-15 18:42:41 +00:00
Jim Grosbach 2d00b1b2e5 Don't mark argument value stores as immutable, as otherwise the post-RA
scheduler may reorder loads from them before the stores and other such
badness. PR8347. Patch by David Meyer

llvm-svn: 116602
2010-10-15 18:34:47 +00:00
Bob Wilson f1b3681ed0 Use simple RegState::Define flag instead of getDefRegState(true).
llvm-svn: 116601
2010-10-15 18:25:59 +00:00
Eric Christopher e4b3d6b379 Expand GEP handling for constant offsets.
llvm-svn: 116594
2010-10-15 18:02:07 +00:00
Jim Grosbach d15723c22a When expanding the MOVsr[la]_flag pseudos, the CPSR implicit def becomes
an explicit def. Make sure to capture that properly. rdar://8556556

llvm-svn: 116591
2010-10-15 17:35:17 +00:00
Jim Grosbach 68a335e185 ARM mode encoding information for UBFX and SBFX instructions.
llvm-svn: 116588
2010-10-15 17:15:16 +00:00
Bob Wilson 3b1db392fc Remove unused ARMISD::AND selection DAG node.
llvm-svn: 116566
2010-10-15 04:34:40 +00:00
Bob Wilson 59351844e1 ARM instructions that are both predicated and set the condition codes
have been printed with the "S" modifier after the predicate.  With ARM's
unified syntax, they are supposed to go in the other order.  We fixed this
for Thumb when we switched to unified syntax but missed changing it for
ARM.  Apparently we don't generate these instructions often because no one
noticed until now.  Thanks to Bill Wendling for the testcase!

llvm-svn: 116563
2010-10-15 03:23:44 +00:00
Jim Grosbach 118c4238ff Encoding info for extension instructions.
llvm-svn: 116560
2010-10-15 02:29:58 +00:00
Jim Grosbach 19c6cb978b Add missing Rd encoding for MOVs instruction.
llvm-svn: 116537
2010-10-14 23:28:31 +00:00
Jim Grosbach 8b6a9c1574 Refactor the MOVsr[al]_flag and RRX pseudo-instructions to really be pseudos
and let the ARMExpandPseudoInsts pass fix them up into the real (MOVs)
instruction form.

llvm-svn: 116534
2010-10-14 22:57:13 +00:00
Jim Grosbach 062749cb25 Tweak the ARM backend to use the RRX mnemonic instead of the 'mov a, b, rrx'
pseudonym.

llvm-svn: 116512
2010-10-14 20:43:44 +00:00
Jim Grosbach eafcb27ded MOVi16 and MOVT ARM mode encodings.
llvm-svn: 116498
2010-10-14 18:54:27 +00:00
Jim Grosbach 8229153629 Simplify encoding information and add 'dst' operand info for TAILJMP.
llvm-svn: 116488
2010-10-14 17:24:28 +00:00
Oscar Fuentes 5816ccd4b5 Remove explicit dependency of LLVMARMCodeGen on LLVMARMAsmPrinter. It
creates a cyclic dependency that breaks the build when
BUILD_SHARED_LIBS=ON

llvm-svn: 116480
2010-10-14 15:54:46 +00:00
Eric Christopher 21d0c173f4 Handle more complex GEP based loads and add a few TODOs to deal with
GEP + alloca.

llvm-svn: 116474
2010-10-14 09:29:41 +00:00
Bill Wendling 6f52f8a87d Add support for vmov.f64/.f32 encoding. There's a bit of a hack going on
here. The f32 in FCONSTS is handled as a double instead of a float in the
code. So the encoding of the immediate into the instruction isn't exactly in
line with the documentation in that regard. But given that we know it's handled
as a double, it doesn't cause any harm.

llvm-svn: 116471
2010-10-14 02:33:26 +00:00
Bill Wendling 0441c6cba0 Add encoding for 'fmstat'.
llvm-svn: 116466
2010-10-14 01:19:34 +00:00
Bill Wendling 0825f3e441 - Add encodings for multiply add/subtract instructions in all their glory.
- Add missing patterns for some multiply add/subtract instructions.
- Add encodings for VMRS and VMSR.

llvm-svn: 116464
2010-10-14 01:02:08 +00:00
Jim Grosbach 1f2b4bdb22 Regenerate. No functional change, just cleanup.
llvm-svn: 116459
2010-10-14 00:15:18 +00:00
Jim Grosbach d100ed858e Detabify and clean up 80 column violations.
llvm-svn: 116454
2010-10-13 23:47:11 +00:00
Jim Grosbach 340cd5174b A few 80 column fixes.
llvm-svn: 116451
2010-10-13 23:34:31 +00:00
Jim Grosbach b9386558a7 trailing whitespace
llvm-svn: 116450
2010-10-13 23:12:26 +00:00
Jim Grosbach 348013f829 Add a FIXME.
llvm-svn: 116449
2010-10-13 22:55:33 +00:00
Jim Grosbach 0708e74a95 Add operand encoding bits for SMC and SVC in ARM mode.
llvm-svn: 116447
2010-10-13 22:38:23 +00:00
Jim Grosbach 16db3287c0 More encoding cleanup. Also add register Rd operands for indirect branches.
llvm-svn: 116444
2010-10-13 22:09:34 +00:00
Jim Grosbach 2a4d99ab62 Simplify some ARM encoding information.
llvm-svn: 116440
2010-10-13 21:48:54 +00:00
Eric Christopher ef83e21b57 Update comment.
llvm-svn: 116438
2010-10-13 21:41:51 +00:00
Jim Grosbach 9874b7de58 Add a FIXME. The ADR instruction is a bit odd.
llvm-svn: 116437
2010-10-13 21:32:30 +00:00
Jim Grosbach 7e72ec6626 Refactor the ARM 'setend' instruction pattern. Use a single instruction pattern
and handle the operand explicitly. Flesh out encoding information. Add an
explicit disassembler testcase for the instruction.

llvm-svn: 116432
2010-10-13 21:00:04 +00:00
Bill Wendling f106ecfa59 Add MC encodings for VCVT* instrunctions.
llvm-svn: 116431
2010-10-13 20:58:46 +00:00
Jim Grosbach fb07ef19cc Add a FIXME.
llvm-svn: 116428
2010-10-13 20:38:04 +00:00
Jim Grosbach efc066829b Make a few more bits of some simple instructions explicit. nop, yield, wfe,
wfi, sel, sev and bkpt. All would disassemble properly before, but more
explicitness is good, especially with the integrated assembler coming in
the future.

llvm-svn: 116427
2010-10-13 20:30:55 +00:00
Jim Grosbach 1e7db68774 Add ARM mode encoding for [SU]XT[BH] and [SU]XTA[BH] instructions.
llvm-svn: 116421
2010-10-13 19:56:10 +00:00
Jim Grosbach 142e3cbb26 Fix encoding for compares. No Rd register.
llvm-svn: 116414
2010-10-13 18:05:25 +00:00
Jim Grosbach 651dc7c9e9 Add ARM mode operand encoding information for ADDE/SUBE instructions.
llvm-svn: 116412
2010-10-13 18:00:52 +00:00
Rafael Espindola 2216af3fa8 Fix another case where we were preferring instructions with large
immediates instead of 8 bits ones.

llvm-svn: 116410
2010-10-13 17:14:25 +00:00
Rafael Espindola 8ea9b0eb32 Fix PR8365 by adding a more specialized Pat that checks if an 'and' with
8 bit constants can be used.

llvm-svn: 116403
2010-10-13 13:31:20 +00:00
Eric Christopher dd0821e7ff Start handling more global variables.
llvm-svn: 116401
2010-10-13 09:11:46 +00:00
Evan Cheng 3912158997 Limit load / store issues (at least until we have a true multi-issue aware scheduler).
llvm-svn: 116389
2010-10-13 01:54:21 +00:00
Bill Wendling 6e27b4f530 Add encodings for VNEG and VSQRT. Also add encodings for VMOV, but not a test
just yet.

llvm-svn: 116386
2010-10-13 01:17:33 +00:00
Bill Wendling 576fd0b110 Add encodings for VCVT instructions.
llvm-svn: 116385
2010-10-13 00:56:35 +00:00
Jim Grosbach 8c519c0d4b Add ARM encoding information for comparisons, forced-cc-out arithmetics, and
arithmetic-with-carry-in instructions.

llvm-svn: 116384
2010-10-13 00:50:27 +00:00
Bill Wendling da4ddf0fcf Add VCMPZ and VABS.
llvm-svn: 116383
2010-10-13 00:38:07 +00:00
Bill Wendling f9ca535495 Refactor VCMP instructions.
llvm-svn: 116379
2010-10-13 00:04:29 +00:00
Jim Grosbach efd5369749 Add the rest of the ARM so_reg encoding options (register shifted register)
and move to a custom operand encoder. Remove the last of the special handling
stuff from ARMMCCodeEmitter::EncodeInstruction.

llvm-svn: 116377
2010-10-12 23:53:58 +00:00
Bill Wendling 7dd8c0b991 Add encodings for VNMUL[SD].
llvm-svn: 116375
2010-10-12 23:47:37 +00:00
Bill Wendling a06aee826c Add encodings for VDIV and VMUL.
llvm-svn: 116370
2010-10-12 23:22:27 +00:00
Evan Cheng d565b44a98 Turn some fp stackifier assertion into errors to avoid silently generating bad code when assertions are off. rdar://8540457.
llvm-svn: 116368
2010-10-12 23:19:28 +00:00
Jim Grosbach 12e493ace4 Move the ARM so_imm encoding into a custom operand encoder and remove the
explicit handling of the instructions referencing it from the MC code
emitter.

llvm-svn: 116367
2010-10-12 23:18:08 +00:00
Bill Wendling 42200bcaea Refactor some of the encoding logic into a base class. This keeps us from having
to add 10+ lines to every instruction.

It may turn out that we can move this base class into it's parent class.

llvm-svn: 116362
2010-10-12 23:06:54 +00:00
Jim Grosbach d9d31dafda Add custom encoder for the 's' bit denoting whether an ARM arithmetic
instruction should set the processor status flags or not. Remove the now
unnecessary special handling for the bit from the MCCodeEmitter.

llvm-svn: 116360
2010-10-12 23:00:24 +00:00
Bill Wendling 646a506724 Add encoding for VSUB and VCMP.
Fear not! I'm going to try a refactoring right now. :)

llvm-svn: 116359
2010-10-12 22:55:35 +00:00
Bill Wendling ac6cd00706 Encoding for VADDD. Plus a test for the VFP instructions.
llvm-svn: 116348
2010-10-12 22:08:41 +00:00
Bill Wendling 98c29d732d Split out the "size" field from the encoding. The newer documentation has it as
a separate bit in the coding.

llvm-svn: 116347
2010-10-12 22:03:19 +00:00
Eric Christopher 22e051eef0 Fix thinko in arm fast isel alloca rewrite.
llvm-svn: 116339
2010-10-12 21:23:43 +00:00
Jim Grosbach 576640f0e3 Encoding for ARM-mode VADD.F32 instruction.
llvm-svn: 116338
2010-10-12 21:22:40 +00:00
Eric Christopher 604e142844 Combine these together - should probably have some text associated
that says what why what we just asserted is wrong.

llvm-svn: 116333
2010-10-12 19:44:17 +00:00
Nick Lewycky eb7b91d417 Mark variable 'NoImplicitFloatOps' used only in an assert as used.
llvm-svn: 116323
2010-10-12 18:18:03 +00:00
Jim Grosbach 0e57a9f7a9 Add MOVi ARM encoding.
llvm-svn: 116321
2010-10-12 18:09:12 +00:00
Dan Gohman 395a898b2b Initial va_arg support for x86-64. Patch by David Meyer!
llvm-svn: 116319
2010-10-12 18:00:49 +00:00
Jim Grosbach feeae27ad9 Nuke unused wrapper function.
llvm-svn: 116318
2010-10-12 17:53:25 +00:00
Jakob Stoklund Olesen aec745326a Remove the x86 MOV{32,64}{rr,rm,mr}_TC instructions.
The reg-reg copies were no longer being generated since copyPhysReg copies
physical registers only.

The loads and stores are not necessary - The TC constraint is imposed by the
TAILJMP and TCRETURN instructions, there should be no need for constrained loads
and stores.

llvm-svn: 116314
2010-10-12 17:15:00 +00:00
Jim Grosbach 6fead930af Add encoding information for the remainder of the generic arithmetic
ARM instructions.

llvm-svn: 116313
2010-10-12 17:11:26 +00:00
Bob Wilson dd6eb5b5a1 PR8359: The ARM backend may end up allocating registers D16 to D31 when
"-mattr=+vfp3" is specified. However, this will not work for hardware that
only supports 16 registers.  Add a new flag to support -"mattr=+vfp3,+d16".
Patch by Jan Voung!

llvm-svn: 116310
2010-10-12 16:22:47 +00:00
Eric Christopher 7cd5cda6bb Rework alloca handling so that we can load or store from casted
address that we've looked through.

Fixes compilation problems in tramp3d from earlier patch.

llvm-svn: 116296
2010-10-12 05:39:06 +00:00
Eric Christopher db3bcc9910 Handle a wider arrangement of loads.
llvm-svn: 116284
2010-10-12 00:43:21 +00:00
Evan Cheng e790afcbe1 More ARM scheduling itinerary fixes.
llvm-svn: 116266
2010-10-11 23:41:41 +00:00
Jim Grosbach b7c2962d20 MC machine encoding for simple aritmetic instructions that use a shifted
register operand.

llvm-svn: 116259
2010-10-11 23:16:21 +00:00
Jason W Kim 109ff296c8 Second set of ARM/MC/ELF changes.
Added ARM specific ELF section types.
Added AttributesSection to ARMElfTargetObject
First step in unifying .cpu assembly tag with ELF/.o
llc now asserts on actual ELF emission on -filetype=obj :-)

llvm-svn: 116257
2010-10-11 23:01:44 +00:00
Evan Cheng 94ad008beb Proper VST scheduling itineraries.
llvm-svn: 116251
2010-10-11 22:03:18 +00:00
Eric Christopher d42340ecfd Use a sane mechanism for that assert.
llvm-svn: 116249
2010-10-11 22:01:22 +00:00
Eric Christopher 72b91c1765 We're not going to handle dynamic allocas anywhere else.
llvm-svn: 116240
2010-10-11 21:37:35 +00:00
Eric Christopher 71ef1af66b Make sure that the call stack adjustments have default operands. Also
leave custom lowerings for later.

Fixes some nightly tests.

llvm-svn: 116232
2010-10-11 21:20:02 +00:00
Jakob Stoklund Olesen 6c4353ecee PowerPC varargs functions store live-in registers on the stack. Make sure we use
virtual registers for those stores since RegAllocFast requires that each live
physreg only be used once.

This fixes PR8357.

llvm-svn: 116222
2010-10-11 20:43:09 +00:00
Eric Christopher e2a0b6841a Found a bug turning this on by default. Disable again for now.
llvm-svn: 116220
2010-10-11 20:26:21 +00:00
Eric Christopher 46cc854e5e Fix help text.
llvm-svn: 116218
2010-10-11 20:15:02 +00:00
Eric Christopher 5501b7e805 Change flag from Enable to Disable since we're enabled by default.
Also don't use fast-isel on non-darwin since it's untested.

llvm-svn: 116217
2010-10-11 20:05:22 +00:00
Andrew Trick e01c9001c9 Fixes bug 8297: i386 cmpxchg8b, missing MachineMemOperand
llvm-svn: 116214
2010-10-11 19:02:04 +00:00
Jim Grosbach 5476a274c8 More binary encoding stuff, taking advantage of the new "by name" operand
matching in tblgen to do the predicate operand.

llvm-svn: 116213
2010-10-11 18:51:51 +00:00
Eric Christopher 2276e87a65 Turn on arm fast isel by default.
llvm-svn: 116212
2010-10-11 18:48:18 +00:00
Francois Pichet 0f5bfd27a3 MSVC hangs on compilation of ARMDisassembler.cpp. PR6866 applied to ARM target.
llvm-svn: 116201
2010-10-11 11:36:19 +00:00
Eric Christopher e1bcb43bb9 Copy and pasteo.
llvm-svn: 116198
2010-10-11 08:40:05 +00:00
Eric Christopher 7ac602bc8e Whitespace cleanup in ARM fast isel.
llvm-svn: 116197
2010-10-11 08:38:55 +00:00
Eric Christopher eae1b38550 Add srem libcall support to ARM fast isel.
llvm-svn: 116196
2010-10-11 08:37:26 +00:00
Eric Christopher e11017c19e Add i8 sdiv support for ARM fast isel.
llvm-svn: 116195
2010-10-11 08:31:54 +00:00
Eric Christopher 511aa31965 Implement select handling for ARM fast-isel.
llvm-svn: 116194
2010-10-11 08:27:59 +00:00
Chris Lattner 1ef5e84c31 Per discussion with Sanjiv, remove the PIC16 target from mainline. When/if
it comes back, it will be largely a rewrite, so keeping the old codebase
in tree isn't helping anyone.

llvm-svn: 116190
2010-10-11 05:44:40 +00:00
Michael J. Spencer 8dedb62019 X86: Call ulldiv and ftol2 on Windows instead of their libgcc eqivilents.
llvm-svn: 116188
2010-10-11 05:29:15 +00:00
Michael J. Spencer 00765e5be0 X86: MinGW should always use libgcc on Windows.
llvm-svn: 116177
2010-10-10 23:11:06 +00:00
Michael J. Spencer 7a573a5e1f X86: Call _alldiv instead of __divdi3 on Windows (excluding cygwin).
llvm-svn: 116174
2010-10-10 22:04:34 +00:00
Michael J. Spencer bee1f7f5ba Fix Whitespace.
llvm-svn: 116173
2010-10-10 22:04:20 +00:00
Chris Lattner d10babfd65 fix the expansion of va_arg instruction on PPC to know the arg
alignment for PPC32/64, avoiding some masking operations.

llvm-gcc expands vaarg inline instead of using the instruction
so it has never hit this.

llvm-svn: 116168
2010-10-10 18:34:00 +00:00
Michael J. Spencer 530ce85b3e Fix Whitespace.
llvm-svn: 116149
2010-10-09 11:00:50 +00:00
Evan Cheng d7a404d85f Add VLD4 scheduling itineraries.
llvm-svn: 116143
2010-10-09 04:07:58 +00:00
Evan Cheng a762400bed Finish vld3 and vld4.
llvm-svn: 116140
2010-10-09 01:45:34 +00:00
Evan Cheng 4187f4942e Complete vld2 instruction itineries.
llvm-svn: 116136
2010-10-09 01:26:12 +00:00
Evan Cheng 1c7fa43e6f Multiply instructions are issued on pipeline 0. They do not need to reserve pipeline 1.
llvm-svn: 116135
2010-10-09 01:15:04 +00:00
Evan Cheng 05f13e94bf Correct some load / store instruction itinerary mistakes:
1. Cortex-A8 load / store multiplies can only issue on ALU0.
2. Eliminate A8_Issue, A8_LSPipe will correctly limit the load / store issues.
3. Correctly model all vld1 and vld2 variants.

llvm-svn: 116134
2010-10-09 01:03:04 +00:00
Bill Wendling 59ebe44049 Check to make sure that the iterator isn't at the beginning of the basic block
before decrementing. <rdar://problem/8529919>

llvm-svn: 116126
2010-10-09 00:03:48 +00:00
Chris Lattner c951cfe6a0 add jit support for the new psuedo instructions I added for
the add/or xform.  The JIT isn't mcized yet, boo.

This fixes Olden/voronoi, bh and a ton of other stuff that
uses the jit.

llvm-svn: 116125
2010-10-08 23:59:27 +00:00
Chris Lattner 8eeb5013cd machine a mutable machineinstr down into emitInstruction.
llvm-svn: 116124
2010-10-08 23:54:01 +00:00
Eric Christopher 548587c31c Fix the store part of this as well. Fixes smg2000.
llvm-svn: 116123
2010-10-08 23:52:16 +00:00
Jim Grosbach c43c930690 Implement a few more binary encoding bits. Still very early stage proof-of-
concept level stuff at this point, but it is generally working for those
instructions that know how to map the operands.

This patch fills in the register operands for add/sub/or/etc instructions
and adds the conditional execution predicate encoding.

llvm-svn: 116112
2010-10-08 21:45:55 +00:00
Cameron Esfahani d57f9ecd4a Recommit 116056, now with the missing file...
llvm-svn: 116083
2010-10-08 19:24:18 +00:00
Jim Grosbach b770c00610 Reapply 116059, this time without the fatfingered pasto at the top.
''const'ify getMachineOpValue() and associated helpers.'

llvm-svn: 116067
2010-10-08 17:45:54 +00:00
Jim Grosbach 00351b7731 Reverting 116059. Bots are unhappy with it.
llvm-svn: 116064
2010-10-08 17:28:40 +00:00
Andrew Trick cf97db2402 reverting 116056: win64_params.ll may need to be conditionalized?
llvm-svn: 116063
2010-10-08 17:22:42 +00:00
Jim Grosbach e2d30cd4b5 'const'ify getMachineOpValue() and associated helpers.
llvm-svn: 116059
2010-10-08 16:52:44 +00:00
Cameron Esfahani a07b5c291d Small patch to restore home register stack space allocation for the Win64 case. Add test case. This code eventually needs to be tighter, since it's always allocating it, even in leaf routines.
llvm-svn: 116056
2010-10-08 10:31:30 +00:00
Bob Wilson 056b694de1 Change register allocation order for ARM VFP and NEON registers to put the
callee-saved registers at the end of the lists.  Also prefer to avoid using
the low registers that are in register subclasses required by certain
instructions, so that those registers will more likely be available when needed.
This change makes a huge improvement in spilling in some cases.  Thanks to
Jakob for helping me realize the problem.

Most of this patch is fixing the testsuite.  There are quite a few places
where we're checking for specific registers.  I changed those to wildcards
in places where that doesn't weaken the tests.  The spill-q.ll and
thumb2-spill-q.ll tests stopped spilling with this change, so I added a bunch
of live values to force spills on those tests.

llvm-svn: 116055
2010-10-08 06:15:13 +00:00
Chris Lattner 35e6ce479c fix a subtle bug I introduced in my refactoring, where we stopped preferring
the i8 versions of instructions in some cases.  In test6, we started 
generating:

	cmpq	$0, -8(%rsp)            ## encoding: [0x48,0x81,0x7c,0x24,0xf8,0x00,0x00,0x00,0x00]
                                        ## <MCInst #478 CMP64mi32
                                        ##  <MCOperand Reg:114>
                                        ##  <MCOperand Imm:1>
                                        ##  <MCOperand Reg:0>
                                        ##  <MCOperand Imm:-8>
                                        ##  <MCOperand Reg:0>
                                        ##  <MCOperand Imm:0>>

instead of:

	cmpq	$0, -8(%rsp)            ## encoding: [0x48,0x83,0x7c,0x24,0xf8,0x00]
                                        ## <MCInst #479 CMP64mi8
                                        ##  <MCOperand Reg:114>
                                        ##  <MCOperand Imm:1>
                                        ##  <MCOperand Reg:0>
                                        ##  <MCOperand Imm:-8>
                                        ##  <MCOperand Reg:0>
                                        ##  <MCOperand Imm:0>>

Fix this and add some comments.

llvm-svn: 116053
2010-10-08 05:12:14 +00:00
Chris Lattner dd77477690 reapply: Use the new TB_NOT_REVERSABLE flag instead of special
reapply: reimplement the second half of the or/add optimization.  We should now

with no changes.  Turns out that one missing "Defs = [EFLAGS]" can upset things
a bit.

llvm-svn: 116040
2010-10-08 03:57:25 +00:00
Chris Lattner 626656a562 reapply the patch reverted in r116033:
"Reimplement (part of) the or -> add optimization.  Matching 'or' into 'add'"

With a critical fix: the add pseudos clobber EFLAGS.

llvm-svn: 116039
2010-10-08 03:54:52 +00:00
Daniel Dunbar 8f21f9c1fb Revert "Reimplement (part of) the or -> add optimization. Matching 'or' into
'add'", which seems to have broken just about everything.

llvm-svn: 116033
2010-10-08 02:07:32 +00:00
Daniel Dunbar 5b2a411c77 Revert "Use the new TB_NOT_REVERSABLE flag instead of special ", which depends
on r116007, which I am about to revert.

llvm-svn: 116032
2010-10-08 02:07:29 +00:00
Daniel Dunbar efdf08b5b8 Revert "reimplement the second half of the or/add optimization. We should now",
which depends on r116007, which I am about to revert.

llvm-svn: 116031
2010-10-08 02:07:26 +00:00
Eric Christopher 15bc2438d9 Move to thumb2 loads, fixes a problem with incoming registers
as thumb1.

Fixes lencod.

llvm-svn: 116027
2010-10-08 01:13:17 +00:00
Chris Lattner 134f415bf8 reimplement the second half of the or/add optimization. We should now
only end up emitting LEA instead of OR.  If we aren't able to promote
something into an LEA, we should never be emitting it as an ADD.

Add some testcases that we emit "or" in cases where we used to produce
an "add".

llvm-svn: 116026
2010-10-08 01:05:10 +00:00
Jim Grosbach 0bb2f9afa9 Enable binary encoding of some simple instructions.
llvm-svn: 116022
2010-10-08 00:39:21 +00:00
Jim Grosbach a7b6d58f45 Make <target>CodeEmitter::getBinaryCodeForInstr() a const method.
llvm-svn: 116018
2010-10-08 00:21:28 +00:00
Chris Lattner e2245542ce Use the new TB_NOT_REVERSABLE flag instead of special
casing FsMOVAPDrr/FsMOVAPSrr.

llvm-svn: 116016
2010-10-08 00:03:02 +00:00
Chris Lattner 0921bfdf36 simplify some map operations.
llvm-svn: 116014
2010-10-07 23:57:02 +00:00
Chris Lattner 4fb38d3cd3 Reimplement (part of) the or -> add optimization. Matching 'or' into 'add'
is general goodness because it allows ORs to be converted to LEA to avoid
inserting copies.  However, this is bad because it makes the generated .s
file less obvious and gives valgrind heartburn (tons of false positives in
bitfield code).

While the general fix should be in valgrind, we can at least try to avoid
emitting ADD instructions that *don't* get promoted to LEA.  This is more
work because it requires introducing pseudo instructions to represents
"add that knows the bits are disjoint", but hey, people really love valgrind.

This fixes this testcase:
https://bugs.kde.org/show_bug.cgi?id=242137#c20

the add r/i cases are coming next.

llvm-svn: 116007
2010-10-07 23:36:18 +00:00
Evan Cheng 412e37bd34 Code refactoring.
llvm-svn: 116002
2010-10-07 23:12:15 +00:00
Chris Lattner 1c090c00bc Reduce casting in various tables by defining the table
with the right types.

llvm-svn: 116001
2010-10-07 23:08:41 +00:00
Chris Lattner 70a7b54f97 simplify code: don't build up vector only to assert it is empty.
llvm-svn: 115997
2010-10-07 22:26:19 +00:00
Owen Anderson df7a4f2515 Now with fewer extraneous semicolons!
llvm-svn: 115996
2010-10-07 22:25:06 +00:00
Jim Grosbach 91029094e0 Trivial MC code emitter shell. No instruction forms actually handled yet.
llvm-svn: 115993
2010-10-07 22:12:50 +00:00
Jim Grosbach 8aed386d82 Include the auto-generated bits for machine encoding.
llvm-svn: 115987
2010-10-07 21:57:55 +00:00
Eric Christopher 3e1e447ca2 Remember to promote load/store types for stack to register size.
llvm-svn: 115984
2010-10-07 21:40:18 +00:00
Chris Lattner f5c60d8156 convert test to use the existing classes that the multipatterns
use.  Since TEST is completely different than all other binops,
don't define a multipattern for it.

This completes factorization of binops.

llvm-svn: 115982
2010-10-07 21:31:03 +00:00
Chris Lattner ae8d67d3bb convert cmp to use a multipattern
llvm-svn: 115978
2010-10-07 20:56:25 +00:00
Evan Cheng 5c31bf0619 Canonicalize X86ISD::MOVDDUP nodes to v2f64 to make sure all cases match. Also eliminate unneeded isel patterns. rdar://8520311
llvm-svn: 115977
2010-10-07 20:50:20 +00:00
Jim Grosbach 07b5b1802e ARM instruction don't have instruction prefixes, so remove the helper functions
for them from the MCCodeEmitter.

llvm-svn: 115975
2010-10-07 20:41:30 +00:00
Chris Lattner a8c0bbb869 reduce redundancy between pattern copies.
llvm-svn: 115968
2010-10-07 20:14:23 +00:00
Chris Lattner 9fece2bea2 the opcode for BinOpMI/BinOpMI8 is always the same, remove the argument.
llvm-svn: 115967
2010-10-07 20:06:24 +00:00
Owen Anderson 546c11c72f Improve comment.
llvm-svn: 115966
2010-10-07 20:05:18 +00:00
Chris Lattner 752b60bc01 convert adc/sbb to a multipattern. Because the adde/sube nodes
are not defined as returning EFLAGS (like add_flag and friends),
the entire multipattern and several of the subclasses need to be
cloned.

This could be handled through better instantiation support in tblgen,
but it isn't meta enough.

llvm-svn: 115964
2010-10-07 20:01:55 +00:00
Owen Anderson e9d5d0736c Add initialization routines for Target.
llvm-svn: 115957
2010-10-07 18:50:11 +00:00
Jakob Stoklund Olesen c6a6e9ba7c Fix obvious mistake pointed out by Michael Spencer.
llvm-svn: 115952
2010-10-07 18:47:10 +00:00
Kalle Raiskila ac1ffa27b6 Add the missing cases to the type->registerclass conversion function.
llvm-svn: 115921
2010-10-07 16:32:42 +00:00
Kalle Raiskila a845022ddd Implement two virtual functions in SPUTargetLowering.
Before the implementation of isLegalAddressingMode, some rare cases 
of code were miscompiled if optimized with the LoopStrengthReduce pass.
It is unclear (to me) if LSR is "allowed" to produce wrong code with a 
bad TargetLowering, or if the bug is elsewhere and this patch just 
hides it.

llvm-svn: 115919
2010-10-07 16:24:35 +00:00
Eric Christopher a2583ea9f2 Use the correct register class for load instructions - fixes
compilation of MultiSource/Benchmarks/Bullet.

llvm-svn: 115907
2010-10-07 05:50:44 +00:00