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35956 Commits

Author SHA1 Message Date
Chris Lattner
6d7856867a print all the newlines at the end of instructions with 
OutStreamer.AddBlankLine instead of textually.

llvm-svn: 95734
 2010-02-10 00:36:00 +00:00
Kenneth Uildriks
d9026b3fa4 IntegerValType holds a uint32_t, so its constructor should take a uint32_t. This allows it to be properly initialized with bit widths > 65535 
llvm-svn: 95731
 2010-02-10 00:14:03 +00:00
Dale Johannesen
c9f253214e Fix comments to reflect renaming elsewhere. 
llvm-svn: 95730
 2010-02-10 00:11:11 +00:00
Kevin Enderby
f31bc700f1 Fix the encoding of the movntdqa X86 instruction. It was missing the 0x66 
prefix which is part of the opcode encoding.

llvm-svn: 95729
 2010-02-10 00:10:31 +00:00
Chris Lattner
ca01d26903 Add ability for MCInstPrinters to add comments for instructions. 
Enhance the x86 backend to show the hex values of immediates in
comments when they are large.  For example:

        movl    $1072693248, 4(%esp)    ## imm = 0x3FF00000

llvm-svn: 95728
 2010-02-10 00:10:18 +00:00
David Greene
bb211816b6 TableGen fragment refactoring. 
Move some utility TableGen defs, classes, etc. into a common file so
they may be used my multiple pattern files.  We will use this for
the AVX specification to help with the transition from the current
SSE specification.

llvm-svn: 95727
 2010-02-09 23:52:19 +00:00
Johnny Chen
1f609fe5fd Add VBIF/VBIT for disassembly only. 
A8.6.279

llvm-svn: 95713
 2010-02-09 23:05:23 +00:00
David Greene
d2c34ce826 Only dump output in debug mode. 
llvm-svn: 95711
 2010-02-09 23:03:05 +00:00
Daniel Dunbar
1b050afd4e llvm-mc: Add --show-fixups option, for displaying the instruction fixup information in the asm comments. 
llvm-svn: 95710
 2010-02-09 23:00:14 +00:00
Daniel Dunbar
75c5ab93a0 MC/X86: Add a dummy implementation of MCFixup generation for hacky X86 MCCodeEmitter. 
llvm-svn: 95709
 2010-02-09 23:00:03 +00:00
Daniel Dunbar
ddfda89472 MC: First cut at MCFixup, for getting fixup/relocation information out of an MCCodeEmitter. 
llvm-svn: 95708
 2010-02-09 22:59:55 +00:00
Bill Wendling
fe743bc4d0 Improve comments in the LSDA somewhat. They can be improved much more. 
llvm-svn: 95707
 2010-02-09 22:49:16 +00:00
Johnny Chen
15da54da55 Added VMRS/VMSR for disassembly only. 
A8.6.335 & A8.6.336

llvm-svn: 95703
 2010-02-09 22:35:38 +00:00
Chris Lattner
3bdac5074e port encoder enhancements over to the new encoder. 
llvm-svn: 95699
 2010-02-09 21:57:34 +00:00
Chris Lattner
2457a30898 fix X86 encoder to output [disp] only addresses with no SIB byte 
in X86-32 mode.  This is still required in x86-64 mode to avoid
forming [disp+rip] encoding.  Rewrite the SIB byte decision logic
to be actually understandable.

llvm-svn: 95693
 2010-02-09 21:47:19 +00:00
Eric Christopher
6691a59247 Move Intrinsic::objectsize lowering back to InstCombineCalls and 
enable constant 0 offset lowering.

llvm-svn: 95691
 2010-02-09 21:24:27 +00:00
Chris Lattner
a651ca3caa revert r95689: getX86RegNum(BaseReg) != N86::ESP is 
a confusing idiom to check for ESP or RSP.

llvm-svn: 95690
 2010-02-09 21:21:26 +00:00
Chris Lattner
a88bcd8963 simplify. 
llvm-svn: 95689
 2010-02-09 21:00:12 +00:00
Chris Lattner
7acf9be6c4 move target-independent opcodes out of TargetInstrInfo 
into TargetOpcodes.h.  #include the new TargetOpcodes.h
into MachineInstr.  Add new inline accessors (like isPHI())
to MachineInstr, and start using them throughout the 
codebase.

llvm-svn: 95687
 2010-02-09 19:54:29 +00:00
Jim Grosbach
bdc0ff13db Radar 7417921 
tMOVCCi pattern only valid for low registers, as the Thumb1 mov immediate to
register instruction only works with low registers. Allowing high registers
for the instruction resulted in the assembler choosing the wide (32-bit)
encoding for the mov, but LLVM though the instruction was only 16 bits wide,
so offset calculations for constant pools became incorrect, leading to
out of range constant pool entries.

llvm-svn: 95686
 2010-02-09 19:51:37 +00:00
Eric Christopher
871cf7bce2 Pull these back out, they're a little too aggressive and time 
consuming for a simple optimization.

llvm-svn: 95671
 2010-02-09 17:29:18 +00:00
Johnny Chen
de3621cfa8 Added vcvtb/vcvtt (between half-precision and single-precision, VFP). 
For disassembly only.

A8.6.300

llvm-svn: 95669
 2010-02-09 17:21:56 +00:00
Jakob Stoklund Olesen
70aa88d977 Remember to update live-in lists when coalescing physregs. 
Patch by M Wahab!

llvm-svn: 95668
 2010-02-09 17:20:11 +00:00
Chris Lattner
c4c733b815 move PR3462 to here. 
llvm-svn: 95650
 2010-02-09 05:55:14 +00:00
Chris Lattner
7c64c9ca21 add a note from PR6194 
llvm-svn: 95649
 2010-02-09 05:45:29 +00:00
Dale Johannesen
cfb0894dba Skip DEBUG_VALUE in some places where it was affecting codegen. 
llvm-svn: 95647
 2010-02-09 02:01:46 +00:00
Devang Patel
d381c20ee7 Add declaration attribute to a variable DIE, if there is a separate DIE for the definition. 
llvm-svn: 95646
 2010-02-09 01:58:33 +00:00
Chris Lattner
f6d9c1f90c simplify this code, duh. 
llvm-svn: 95643
 2010-02-09 01:14:06 +00:00
Chris Lattner
26b712379f fix PR6193, only considering sign extensions *from i1* for this 
xform.

llvm-svn: 95642
 2010-02-09 01:12:41 +00:00
Eric Christopher
1ff7f162e2 Add file in here too. 
llvm-svn: 95641
 2010-02-09 01:11:03 +00:00
Chris Lattner
18fed3c934 make -show-inst be formatted a bit nicer. Before: 
movl	$3735928559, a          ## inst: <MCInst 1273 <MCOperand Reg:0> <MCOperand Imm:1> <MCOperand Reg:0> <MCOperand Expr:(a)> <MCOperand Reg:0> <MCOperand Expr:(3735928559)>>

after:

	movl	$3735928559, a          ## <MCInst #1273
                                        ##   <MCOperand Reg:0>
                                        ##   <MCOperand Imm:1>
                                        ##   <MCOperand Reg:0>
                                        ##   <MCOperand Expr:(a)>
                                        ##   <MCOperand Reg:0>
                                        ##   <MCOperand Expr:(3735928559)>>

llvm-svn: 95637
 2010-02-09 00:54:51 +00:00
Lang Hames
796e4c2b4a Fixed a bug in the PBQP allocator's findCoalesces method. 
Previously spill registers, whose def indexes are not defined, would sometimes be improperly marked as coalescable with conflicting registers. The new findCoalesces routine conservatively assumes that any register with at least one undefined def is not coalescable with any register it interferes with.

llvm-svn: 95636
 2010-02-09 00:50:27 +00:00
Chris Lattner
682f64dc8d Implement x86 asm parsing support for %st and %st(4) 
llvm-svn: 95634
 2010-02-09 00:49:22 +00:00
Lang Hames
47fb92c5e7 Added copy sensible construction & assignment to PBQP graphs and fixed a memory access bug in the heuristic solver. 
llvm-svn: 95633
 2010-02-09 00:45:48 +00:00
Eric Christopher
428b385575 Add a new pass to do llvm.objsize lowering using SCEV. 
Initial skeleton and SCEVUnknown lowering implemented,
the rest should come relatively quickly.  Move testcase
to new directory.

Move pass to right before SimplifyLibCalls - which is
moved down a bit so we can take advantage of a few opts.

llvm-svn: 95628
 2010-02-09 00:35:38 +00:00
Chris Lattner
804c2270c7 pass stringref by value instead of by const& 
llvm-svn: 95627
 2010-02-09 00:34:28 +00:00
Chris Lattner
dbbd13f825 move PR6212 to this file. 
llvm-svn: 95624
 2010-02-09 00:11:10 +00:00
Dan Gohman
d19999d757 Implement AsmPrinter support for several more operators which have 
direct MCExpr equivalents. Don't use MCExpr::Shr because it isn't
consistent between targets.

llvm-svn: 95620
 2010-02-09 00:02:37 +00:00
Dan Gohman
30845777be Document that MCExpr::Mod is actually remainder. 
Document that MCExpr::Div, Mod, and the comparison operators are all
signed operators.

Document that the comparison operators' results are target-dependent.

Document that the behavior of shr is target-dependent.

llvm-svn: 95619
 2010-02-08 23:58:47 +00:00
Chris Lattner
9635fe03ca fix some problems handling large vectors reported in PR6230 
llvm-svn: 95616
 2010-02-08 23:56:03 +00:00
Chris Lattner
1492d5c447 this is done, tested by CodeGen/ARM/iabs.ll 
llvm-svn: 95609
 2010-02-08 23:48:10 +00:00
Jim Grosbach
a7e098af3b tighten up eh.setjmp sequence a bit. 
llvm-svn: 95603
 2010-02-08 23:22:00 +00:00
Chris Lattner
32fa6adff6 now that @GOTOFF is no longer represented as a suffix on a 
MCSymbol, we can remove the 'suffix' argument of 
GetBlockAddressSymbol.  Do so.

llvm-svn: 95601
 2010-02-08 23:10:08 +00:00
Chris Lattner
dd84f7aa7b unify the paths for external symbols and global variables: 
2 files changed, 48 insertions(+), 83 deletions(-)

llvm-svn: 95599
 2010-02-08 23:03:41 +00:00
Chris Lattner
bd71035318 switch the rest of the "@ concatentation" logic in the X86 
backend to use X86MCTargetExpr, simplifying a bunch of code.

llvm-svn: 95595
 2010-02-08 22:52:47 +00:00
Sean Callanan
219789b7fb Fixed the AT&T AsmLexer to report the proper strings 
for register tokens.  Before, if it encountered
'%al,' it would report 'al,' as the token.  Now it
correctly reports '%al'.

llvm-svn: 95594
 2010-02-08 22:50:23 +00:00
Chris Lattner
0b30a3f944 switch ELF @GOTOFF references to use X86MCTargetExpr. 
llvm-svn: 95593
 2010-02-08 22:33:55 +00:00
Dan Gohman
8b46c6a6cb ConstantFoldConstantExpression can theoretically return the original 
expression; don't go into an infinite loop if it does.

llvm-svn: 95591
 2010-02-08 22:19:11 +00:00
Chris Lattner
6162c89bfe add an x86 implementation of MCTargetExpr for 
representing @GOT and friends.  Use it for
personality references as a first use.

llvm-svn: 95588
 2010-02-08 22:09:08 +00:00
Chris Lattner
39d41535ad don't make hte dtor private or we can't construct the class. 
llvm-svn: 95587
 2010-02-08 22:07:36 +00:00