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318 Commits

Author SHA1 Message Date
Dan Gohman
f9d5689496 Change target-specific classes to use more precise static types. 
This eliminates the need for several awkward casts, including
the last dynamic_cast under lib/Target.

llvm-svn: 51091
 2008-05-14 01:58:56 +00:00
Evan Cheng
a626e13995 - Fix atomic operation JIT encoding. 
- Remove unused instructions.

llvm-svn: 49921
 2008-04-18 20:55:36 +00:00
Nicolas Geoffray
82baa2d2c6 Infrastructure for getting the machine code size of a function and an instruction. X86, PowerPC and ARM are implemented 
llvm-svn: 49809
 2008-04-16 20:10:13 +00:00
Evan Cheng
cb5a5467dc Fix x86-64 encoding bug. REX prefix must always follow 0x0F prefix. For example, extractps in 64bit mode: 66 REX 0F 3A 17, not 66 0F 3A REX 17. 
llvm-svn: 49157
 2008-04-03 08:53:17 +00:00
Evan Cheng
07643ce604 Unbreak JIT. Ignore TargetInstrInfo::IMPLICIT_DEF. 
llvm-svn: 48447
 2008-03-17 06:56:52 +00:00
Evan Cheng
11d2c09adc Replace all target specific implicit def instructions with a target independent one: TargetInstrInfo::IMPLICIT_DEF. 
llvm-svn: 48380
 2008-03-15 00:03:38 +00:00
Evan Cheng
6ef1ca4e87 Add debugging stuff. 
llvm-svn: 48359
 2008-03-14 07:13:42 +00:00
Evan Cheng
d421708e35 Ignore debugging related instructions if they get this far. 
llvm-svn: 47934
 2008-03-05 02:34:36 +00:00
Evan Cheng
a2939a16de Rather than asserting. Dump out the MI that we are not able to encode and abort. 
llvm-svn: 47933
 2008-03-05 02:08:03 +00:00
Andrew Lenharth
ad29a49169 Add lock prefix support to x86. Also add the instructions necessary for the atomic ops. They are still marked pseudo, since I cannot figure out what format to use, but they are the correct opcode. 
llvm-svn: 47795
 2008-03-01 13:37:02 +00:00
Bill Wendling
16cba10ae6 De-tabify 
llvm-svn: 47600
 2008-02-26 10:57:23 +00:00
Nicolas Geoffray
72fa78e195 Enable exception handling int JIT 
llvm-svn: 47079
 2008-02-13 18:39:37 +00:00
Dan Gohman
d1cc100aef Avoid needlessly casting away const qualifiers. 
llvm-svn: 46877
 2008-02-08 03:29:40 +00:00
Chris Lattner
48c54909dc IMPLICIT_USE and IMPLICIT_DEF are dead, remove them. 
llvm-svn: 45838
 2008-01-10 19:27:54 +00:00
Chris Lattner
f83aae613c rename TargetInstrDescriptor -> TargetInstrDesc. 
Make MachineInstr::getDesc return a reference instead
of a pointer, since it can never be null.

llvm-svn: 45695
 2008-01-07 07:27:27 +00:00
Chris Lattner
9b987de2c5 rename hasVariableOperands() -> isVariadic(). Add some comments. 
Evan, please review the comments I added to getNumDefs to make sure
that they are accurate, thx.

llvm-svn: 45687
 2008-01-07 05:19:29 +00:00
Chris Lattner
9d38dfa4a5 Move a bunch more accessors from TargetInstrInfo to TargetInstrDescriptor 
llvm-svn: 45680
 2008-01-07 03:13:06 +00:00
Chris Lattner
f7f96d818f Rename MachineInstr::getInstrDescriptor -> getDesc(), which reflects 
that it is cheap and efficient to get.

Move a variety of predicates from TargetInstrInfo into 
TargetInstrDescriptor, which makes it much easier to query a predicate
when you don't have TII around.  Now you can use MI->getDesc()->isBranch()
instead of going through TII, and this is much more efficient anyway. Not
all of the predicates have been moved over yet.

Update old code that used MI->getInstrDescriptor()->Flags to use the
new predicates in many places.

llvm-svn: 45674
 2008-01-07 01:56:04 +00:00
Evan Cheng
759f389846 X86 JIT PIC jumptable support. 
llvm-svn: 45616
 2008-01-05 02:26:58 +00:00
Evan Cheng
5b9282f3b5 Combine MovePCtoStack + POP32r into one instruction MOVPC32r so it can be moved if needed. 
llvm-svn: 45605
 2008-01-05 00:41:47 +00:00
Evan Cheng
6dbcca7903 Unbreak tailcall opt in JIT. 
llvm-svn: 45576
 2008-01-04 10:50:28 +00:00
Evan Cheng
7322e4dec4 X86 PIC JIT support fixes: encoding bugs, add lazy pointer stubs support. 
llvm-svn: 45575
 2008-01-04 10:46:51 +00:00
Evan Cheng
fb2bc4fc95 Change MachineRelocation::DoesntNeedFnStub to NeedStub. This fields will be used 
for non-function GV relocations that require function address stubs (e.g. Mac OS X in non-static mode).

llvm-svn: 45527
 2008-01-03 02:56:28 +00:00
Evan Cheng
ba1fd9fc76 X86 PIC JIT bug fix: relocations for constantpool and jumptable. 
llvm-svn: 45515
 2008-01-02 23:38:59 +00:00
Chris Lattner
9e5cc35593 Add new shorter predicates for testing machine operands for various types: 
e.g. MO.isMBB() instead of MO.isMachineBasicBlock().  I don't plan on 
switching everything over, so new clients should just start using the 
shorter names.

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

llvm-svn: 45464
 2007-12-30 23:10:15 +00:00
Chris Lattner
ad9a6ccb83 Remove attribution from file headers, per discussion on llvmdev. 
llvm-svn: 45418
 2007-12-29 20:36:04 +00:00
Evan Cheng
c226a1a7d3 Preliminary PIC JIT support for X86 (32-bit) / Darwin. 
llvm-svn: 45313
 2007-12-22 09:40:20 +00:00
Dale Johannesen
5fd9e7a615 Add parameter to getDwarfRegNum to permit targets 
to use different mappings for EH and debug info;
no functional change yet.
Fix warning in X86CodeEmitter.

llvm-svn: 44056
 2007-11-13 19:13:01 +00:00
Evan Cheng
994043f515 Fix x86-64 jit: remove reliance on Dwarf numbers. 
llvm-svn: 44048
 2007-11-13 17:54:34 +00:00
Duncan Sands
26ef2a1767 Move getX86RegNum into X86RegisterInfo and use it 
in the trampoline lowering.  Lookup the jump and
mov opcodes for the trampoline rather than hard
coding them.

llvm-svn: 41577
 2007-08-29 19:01:20 +00:00
Christopher Lamb
919ce03da6 Change the x86 backend to use extract_subreg for truncation operations. Passes DejaGnu, SingleSource and MultiSource. 
llvm-svn: 40578
 2007-07-29 01:24:57 +00:00
Duncan Sands
35a77d857b Trampoline codegen support for X86-32. 
llvm-svn: 40566
 2007-07-27 20:02:49 +00:00
Devang Patel
cd45427a87 Drop 'const' 
llvm-svn: 36662
 2007-05-03 01:11:54 +00:00
Devang Patel
8ee9065162 Use 'static const char' instead of 'static const int'. 
Due to darwin gcc bug, one version of darwin linker coalesces
static const int, which defauts PassID based pass identification.

llvm-svn: 36652
 2007-05-02 21:39:20 +00:00
Devang Patel
38a66bc82e Do not use typeinfo to identify pass in pass manager. 
llvm-svn: 36632
 2007-05-01 21:15:47 +00:00
Anton Korobeynikov
f3e62a428a Removed tabs everywhere except autogenerated & external files. Add make 
target for tabs checking.

llvm-svn: 36146
 2007-04-16 18:10:23 +00:00
Bill Wendling
3b1189afbf Add support for our first SSSE3 instruction "pmulhrsw". 
llvm-svn: 35869
 2007-04-10 22:10:25 +00:00
Evan Cheng
50a0af3b57 Clean up. 
llvm-svn: 35105
 2007-03-14 20:20:19 +00:00
Evan Cheng
371b8e8fa9 X86-64 JIT is in large code model. Need stubs for direct calls. 
llvm-svn: 35097
 2007-03-14 10:51:55 +00:00
Jim Laskey
23ed7d2625 Make LABEL a builtin opcode. 
llvm-svn: 33537
 2007-01-26 14:34:52 +00:00
Chris Lattner
8896b6cb46 eliminate static ctors for Statistic objects. 
llvm-svn: 32703
 2006-12-19 22:59:26 +00:00
Chris Lattner
a531ce882e Detemplatize the Statistic class. The only type it is instantiated with 
is 'unsigned'.

llvm-svn: 32279
 2006-12-06 17:46:33 +00:00
Evan Cheng
32c16b7d3a JIT large code model support. 
llvm-svn: 32220
 2006-12-05 07:29:55 +00:00
Evan Cheng
2c35691a02 - Fix X86-64 JIT by temporarily disabling code that treats GV address as 32-bit 
immediate in small code model. The JIT cannot ensure GV's are placed in the
lower 4G.
- Some preliminary support for large code model.

llvm-svn: 32215
 2006-12-05 04:01:03 +00:00
Evan Cheng
bf13611e84 Match TargetInstrInfo changes. 
llvm-svn: 32098
 2006-12-01 21:52:58 +00:00
Bill Wendling
b6061e32fa Removed even more std::cerr and #include <iostream> things. 
llvm-svn: 31813
 2006-11-17 07:52:03 +00:00
Evan Cheng
6f0095807e Use TargetInstrInfo::getNumOperands() instead of MachineInstr::getNumOperands(). In preparation for implicit reg def/use changes. 
llvm-svn: 31616
 2006-11-10 01:28:43 +00:00
Evan Cheng
8743c67826 Remove M_2_ADDR_FLAG. 
llvm-svn: 31583
 2006-11-09 02:22:54 +00:00
Evan Cheng
e98acdbf59 Skip over first operand when determining REX prefix for two-address code. 
llvm-svn: 30300
 2006-09-13 19:07:28 +00:00
Evan Cheng
15dd42884e Committing X86-64 support. 
llvm-svn: 30177
 2006-09-08 06:48:29 +00:00
Evan Cheng
451baeaf79 Clean up. 
llvm-svn: 30140
 2006-09-07 01:17:57 +00:00
Evan Cheng
5bb0ec5c15 Watch out for variable_ops instructions. 
llvm-svn: 30135
 2006-09-06 20:32:45 +00:00
Evan Cheng
d299a28d86 Variable ops instructions may ignore the last few operands for code emission. 
llvm-svn: 30134
 2006-09-06 20:24:14 +00:00
Chris Lattner
fdd2c97fef Update the X86 JIT to make it work with the new two-addr changes. This also 
adds assertions that check to make sure every operand gets emitted.

llvm-svn: 30110
 2006-09-05 02:52:35 +00:00
Chris Lattner
33bd5dcfb7 s|llvm/Support/Visibility.h|llvm/Support/Compiler.h| 
llvm-svn: 29911
 2006-08-27 12:54:02 +00:00
Chris Lattner
26bde5d791 Give a good error message when we try to jit inline asm. 
llvm-svn: 29891
 2006-08-26 00:47:03 +00:00
Evan Cheng
4ceeac4159 Resolve BB references with relocation. 
llvm-svn: 29351
 2006-07-27 18:21:10 +00:00
Evan Cheng
beeb4e5c8c - Refactor the code that resolve basic block references to a TargetJITInfo 
method.
- Added synchronizeICache() to TargetJITInfo. It is called after each block
  of code is emitted to flush the icache. This ensures correct execution
  on targets that have separate dcache and icache.
- Added PPC / Mac OS X specific code to do icache flushing.

llvm-svn: 29276
 2006-07-25 20:40:54 +00:00
Chris Lattner
adc7078c98 Hide x86 symbols 
llvm-svn: 28976
 2006-06-28 23:27:49 +00:00
Evan Cheng
d8090f4666 Eliminate unneeded parameter. 
llvm-svn: 28907
 2006-06-22 00:02:55 +00:00
Evan Cheng
420ea2c264 variable_ops instructions such as call can have any number of operands. 
llvm-svn: 28906
 2006-06-21 23:37:07 +00:00
Evan Cheng
dc9b5f5fc0 X86 integer register classes naming changes. Make them consistent with FP, vector classes. 
llvm-svn: 28324
 2006-05-16 07:21:53 +00:00
Chris Lattner
a39a7f900f Remove a bunch more dead V9 specific stuff 
llvm-svn: 28094
 2006-05-04 01:26:39 +00:00
Chris Lattner
ed58ec2a57 Remove some more V9-specific stuff. 
llvm-svn: 28092
 2006-05-04 00:49:59 +00:00
Chris Lattner
b14a767a3e Simplify handling of relocations 
llvm-svn: 28090
 2006-05-04 00:42:08 +00:00
Chris Lattner
f89e1162ad Change from using MachineRelocation ctors to using static methods 
in MachineRelocation to create Relocations.

llvm-svn: 28088
 2006-05-03 20:30:20 +00:00
Chris Lattner
87fa1cef04 inline a simple method 
llvm-svn: 28083
 2006-05-03 17:21:32 +00:00
Chris Lattner
d36b66d6dc Suck block address tracking out of targets into the JIT Emitter. This 
simplifies the MachineCodeEmitter interface just a little bit and makes
BasicBlocks work like constant pools and jump tables.

llvm-svn: 28082
 2006-05-03 17:10:41 +00:00
Nate Begeman
a4ea552058 Teach the x86 jit how to handle jump tables not directly used by a jump 
instruction.

llvm-svn: 28080
 2006-05-03 04:52:47 +00:00
Chris Lattner
06ccac43d7 Change the BasicBlockAddrs map to be a vector, indexed by MBB number. 
llvm-svn: 28069
 2006-05-03 00:32:55 +00:00
Chris Lattner
2bf37af52d Several related changes: 
1. Change several methods in the MachineCodeEmitter class to be pure virtual.
2. Suck emitConstantPool/initJumpTableInfo into startFunction, removing them
   from the MachineCodeEmitter interface, and reducing the amount of target-
   specific code.
3. Change the JITEmitter so that it allocates constantpools and jump tables
   *right* next to the functions that they belong to, instead of in a separate
   pool of memory.  This makes all memory for a function be contiguous, and
   means the JITEmitter only tracks one block of memory now.

llvm-svn: 28065
 2006-05-02 23:22:24 +00:00
Chris Lattner
d100478886 Fix a purely hypothetical problem (for now): emitWord emits in the host 
byte format.  This doesn't work when using the code emitter in a cross target
environment.  Since the code emitter is only really used by the JIT, this
isn't a current problem, but if we ever start emitting .o files, it would be.

llvm-svn: 28060
 2006-05-02 19:14:47 +00:00
Chris Lattner
055baf5c7b Refactor the machine code emitter interface to pull the pointers for the current 
code emission location into the base class, instead of being in the derived classes.

This change means that low-level methods like emitByte/emitWord now are no longer
virtual (yaay for speed), and we now have a framework to support growable code
segments.  This implements feature request #1 of PR469.

llvm-svn: 28059
 2006-05-02 18:27:26 +00:00
Chris Lattner
c11eac5284 There is no reason to use a virtual method to store this word. 
llvm-svn: 28053
 2006-05-02 17:16:20 +00:00
Nate Begeman
7ed816f900 JumpTable support! What this represents is working asm and jit support for 
x86 and ppc for 100% dense switch statements when relocations are non-PIC.
This support will be extended and enhanced in the coming days to support
PIC, and less dense forms of jump tables.

llvm-svn: 27947
 2006-04-22 18:53:45 +00:00
Evan Cheng
b6c46ed8c9 Add a couple more pseudo instructions. 
llvm-svn: 26939
 2006-03-22 02:52:03 +00:00
Evan Cheng
40a98fd65d ConstantPoolIndex is now the displacement portion of the address (rather 
than base).

llvm-svn: 26382
 2006-02-26 09:12:34 +00:00
Evan Cheng
305141c1ba - Added option -relocation-model to set relocation model. Valid values include static, pic, 
dynamic-no-pic, and default.
PPC and x86 default is dynamic-no-pic for Darwin, pic for others.
- Removed options -enable-pic and -ppc-static.

llvm-svn: 26315
 2006-02-22 20:19:42 +00:00
Evan Cheng
09bd678546 Jit does not support PIC yet. 
llvm-svn: 26278
 2006-02-18 00:57:10 +00:00
Evan Cheng
be93477b3a Don't special case XS, XD prefixes. 
llvm-svn: 26183
 2006-02-14 21:52:51 +00:00
Evan Cheng
9fd77e0a2d Bug fix: XS, XD prefixes were being emitted twice. 
XMM registers were not being handled.

llvm-svn: 26182
 2006-02-14 21:45:24 +00:00
Evan Cheng
ef93bdc0cf - Use xor to clear integer registers (set R, 0). 
- Added a new format for instructions where the source register is implied
  and it is same as the destination register. Used for pseudo instructions
  that clear the destination register.

llvm-svn: 25872
 2006-02-01 06:13:50 +00:00
Chris Lattner
0256ca3257 Fix a bunch of JIT failures with the new isel 
llvm-svn: 25748
 2006-01-28 18:19:37 +00:00
Chris Lattner
e1f4b9e384 Unbreak the JIT with SSE 
llvm-svn: 25688
 2006-01-27 18:27:18 +00:00
Chris Lattner
2873307819 Allow jit-beta to work 
llvm-svn: 25578
 2006-01-24 04:50:48 +00:00
Chris Lattner
aafc339b4e Add explicit #includes of <iostream> 
llvm-svn: 25515
 2006-01-22 23:41:00 +00:00
Chris Lattner
a556fc183f Refactor things a bit to allow the ELF code emitter to run the X86 machine code emitter 
after itself.

llvm-svn: 22376
 2005-07-11 05:17:48 +00:00
Nate Begeman
e5314eb2c2 First round of support for doing scalar FP using the SSE2 ISA extension and 
XMM registers.  There are many known deficiencies and fixmes, which will be
addressed ASAP.  The major benefit of this work is that it will allow the
LLVM register allocator to allocate FP registers across basic blocks.

The x86 backend will still default to x87 style FP.  To enable this work,
you must pass -enable-sse-scalar-fp and either -sse2 or -sse3 to llc.

An example before and after would be for:
double foo(double *P) { double Sum = 0; int i; for (i = 0; i < 1000; ++i)
                        Sum += P[i]; return Sum; }

The inner loop looks like the following:
x87:
.LBB_foo_1:     # no_exit
        fldl (%esp)
        faddl (%eax,%ecx,8)
        fstpl (%esp)
        incl %ecx
        cmpl $1000, %ecx
        #FP_REG_KILL
        jne .LBB_foo_1  # no_exit

SSE2:
        addsd (%eax,%ecx,8), %xmm0
        incl %ecx
        cmpl $1000, %ecx
        #FP_REG_KILL
        jne .LBB_foo_1  # no_exit

llvm-svn: 22340
 2005-07-06 18:59:04 +00:00
Chris Lattner
6dcae1c96e Tailcalls require stubs to be emitted. Otherwise, the compilation callback 
doesn't know who 'called' it.

llvm-svn: 22136
 2005-05-19 05:54:33 +00:00
Misha Brukman
bf3f6181fd * Remove trailing whitespace 
* Convert tabs to spaces

llvm-svn: 21426
 2005-04-21 23:38:14 +00:00
Chris Lattner
f4c8575535 There is no reason to emit function stubs for direct calls. 
llvm-svn: 18082
 2004-11-21 03:46:06 +00:00
Chris Lattner
4a340e281e Remove all JIT specific code and switch the code generator over to emitting 
relocations for global references.

llvm-svn: 18068
 2004-11-20 23:55:15 +00:00
Chris Lattner
0c79788bc4 Dont' forget to switch back to decimal output 
llvm-svn: 18010
 2004-11-19 20:57:07 +00:00
Chris Lattner
a7eec14b04 Fix a major bug in the signed shr code, which apparently only breaks 134.perl! 
llvm-svn: 17902
 2004-11-16 18:40:52 +00:00
Chris Lattner
41d31d7461 Remove a dead function, which died when we got GAS emission working (phwew, 
hold your nose!)

llvm-svn: 17869
 2004-11-16 04:34:29 +00:00
Chris Lattner
b378786c97 Implement a simple FIXME: if we are emitting a basic block address that has 
already been emitted, we don't have to remember it and deal with it later,
just emit it directly.

llvm-svn: 17868
 2004-11-16 04:30:51 +00:00
Chris Lattner
3f73c77ace * Merge some win32 ifdefs together 
* Get rid of "emitMaybePCRelativeValue", either we want to emit a PC relative
  value or not: drop the maybe BS.  As it turns out, the only places where
  the bool was a variable coming in, the bool was a dynamic constant.

llvm-svn: 17867
 2004-11-16 04:21:18 +00:00
Chris Lattner
3ed3e8669f Add debug-only=jit printout, so we see when lazily resolved symbols are 
set up.

llvm-svn: 17862
 2004-11-15 23:16:55 +00:00
John Criswell
97da76178c Fix compilation problem; make the cast and the LHS be the same type. 
llvm-svn: 17488
 2004-11-05 16:17:06 +00:00
Chris Lattner
499e1b16a7 Quiet VC++ warnings 
llvm-svn: 17484
 2004-11-05 04:50:59 +00:00
Chris Lattner
cac643c78f Improve compatibility with VC++, patch contributed by Morten Ofstad! 
llvm-svn: 17126
 2004-10-18 15:54:17 +00:00
Chris Lattner
bf114f32c0 Unify handling of constant pool indexes with the other code paths, allowing 
us to use index registers for CPI's

llvm-svn: 17082
 2004-10-17 07:49:45 +00:00
Chris Lattner
38de76365d Give the X86 JIT the ability to encode global+disp constants. Patch 
contributed by Jeff Cohen!

llvm-svn: 17010
 2004-10-15 04:53:13 +00:00
Misha Brukman
ec87a61944 Fix filename: Printer.cpp has become X86AsmPrinter.cpp 
llvm-svn: 16299
 2004-09-12 21:26:04 +00:00
Reid Spencer
c4abcbefb1 Changes For Bug 352 
Move include/Config and include/Support into include/llvm/Config,
include/llvm/ADT and include/llvm/Support. From here on out, all LLVM
public header files must be under include/llvm/.

llvm-svn: 16137
 2004-09-01 22:55:40 +00:00
Chris Lattner
24279a8ac8 Remove dead method 
llvm-svn: 15647
 2004-08-11 02:26:39 +00:00
Chris Lattner
9bcf258cc3 Make sure to emit the immediate byte for instructions like: 
shrd [mem], reg, imm

This fixes the jit-ls failure on 186.crafty.

llvm-svn: 14914
 2004-07-17 20:26:14 +00:00
Chris Lattner
5ad9eaab1a Convert to the new TargetMachine interface. 
llvm-svn: 13952
 2004-06-02 05:55:25 +00:00
Brian Gaeke
e5736bf986 Don't keep track of references to LLVM BasicBlocks while emitting; use 
MachineBasicBlocks instead.

llvm-svn: 13568
 2004-05-14 06:54:58 +00:00
Brian Gaeke
0db103b4b3 Use emitWordAt() to emit forward-branch fixups. 
llvm-svn: 13120
 2004-04-23 17:11:16 +00:00
Chris Lattner
ecbade26d5 Add support for new instruction type 
llvm-svn: 12894
 2004-04-13 17:18:51 +00:00
Alkis Evlogimenos
085957be0b Add emitInstruction() API so that we can get the bytes of a simple instruction 
llvm-svn: 12252
 2004-03-09 03:34:53 +00:00
Alkis Evlogimenos
813daf05c3 Constify things a bit 
llvm-svn: 12251
 2004-03-09 03:30:12 +00:00
Alkis Evlogimenos
f208a0fd81 Each instruction now has both an ImmType and a MemType. This describes 
the size of the immediate and the memory operand on instructions that
use them. This resolves problems with instructions that take both a
memory and an immediate operand but their sizes differ (i.e. ADDmi32b).

llvm-svn: 11967
 2004-02-28 22:02:05 +00:00
Alkis Evlogimenos
56d357aa23 Rename MRMS[0-7]{r,m} to MRM[0-7]{r,m}. 
llvm-svn: 11921
 2004-02-27 18:55:12 +00:00
Chris Lattner
f58d2dd6cf Add support for GlobalAddress's for alkis 
llvm-svn: 11560
 2004-02-17 18:23:55 +00:00
Chris Lattner
c4ea4d12bf Expand the repertoire of the forms we can print and encode. 
llvm-svn: 11537
 2004-02-17 07:40:44 +00:00
Alkis Evlogimenos
84318d7bb6 Make dense maps keyed on physical registers smallerusing 
MRegisterInfo::getNumRegs() instead of
MRegisterInfo::FirstVirtualRegister.

Also use MRegisterInfo::is{Physical,Virtual}Register where
appropriate.

llvm-svn: 11477
 2004-02-15 21:37:17 +00:00
Alkis Evlogimenos
e8f9647831 Add back machine code deleter pass until we get a MachineCode pass 
that will be responsible for the creation of MachineFunctions and will
be required by all MachineFunctionPass passes.

llvm-svn: 11453
 2004-02-15 00:03:15 +00:00
Chris Lattner
d1c4f4c833 Add support for the rep movs[bwd] instructions, and emit them when code 
generating the llvm.memcpy intrinsic.

llvm-svn: 11351
 2004-02-12 17:53:22 +00:00
Alkis Evlogimenos
b755d35fd2 Change MachineBasicBlock's vector of MachineInstr pointers into an 
ilist of MachineInstr objects. This allows constant time removal and
insertion of MachineInstr instances from anywhere in each
MachineBasicBlock. It also allows for constant time splicing of
MachineInstrs into or out of MachineBasicBlocks.

llvm-svn: 11340
 2004-02-12 02:27:10 +00:00
Alkis Evlogimenos
676e5b8997 Modify the two address instruction pass to remove the duplicate 
operand of the instruction and thus simplify the register allocation.

llvm-svn: 11124
 2004-02-04 22:17:40 +00:00
Alkis Evlogimenos
41bd8284e3 Remove floating point killer pass. This is now implemented in the 
instruction selector by adding a new pseudo-instruction
FP_REG_KILL. This instruction implicitly defines all x86 fp registers
and is a terminator so that passes which add machine code at the end
of basic blocks (like phi elimination) do not add instructions between
it and the branch or return instruction.

llvm-svn: 10562
 2003-12-20 16:22:59 +00:00
Chris Lattner
ef1bfa35d0 Finally, _actually delete the machine code_ for a function, after it has 
been emitted.  Also, since the FPK pass is causing memory access violations,
disable it.

llvm-svn: 10559
 2003-12-20 10:20:19 +00:00
Chris Lattner
d3676d0774 A minor cleanup for better encapsulation 
llvm-svn: 10545
 2003-12-20 02:03:14 +00:00
Chris Lattner
1cb1efedb3 Rip JIT specific stuff out of TargetMachine, as per PR176 
llvm-svn: 10542
 2003-12-20 01:22:19 +00:00
John Criswell
93c209e4ac Modified cast so that it converts the int to a long before casting to 
a pointer.  This evades a warning emitted by GCC when we cast from
unsigned int (32 bit) to void * (64 bit) on SparcV9.

llvm-svn: 10435
 2003-12-12 19:57:48 +00:00
Chris Lattner
b750a0cf3a Implement the TargetMachine::getJITStubForFunction method for X86, finegrainify 
namespacification.

llvm-svn: 10430
 2003-12-12 07:11:18 +00:00
Brian Gaeke
d25f86d683 Put all LLVM code into the llvm namespace, as per bug 109. 
llvm-svn: 9903
 2003-11-11 22:41:34 +00:00
John Criswell
b402729b30 Added LLVM project notice to the top of every C++ source file. 
Header files will be on the way.

llvm-svn: 9298
 2003-10-20 19:43:21 +00:00
Chris Lattner
5a577c0b28 * Rename X86::IMULr16 -> X86::IMULrr16 
* Implement R1 = R2 * C where R1 and R2 are 32 or 16 bits. This avoids an
  extra copy into a register, reducing register pressure.

llvm-svn: 9278
 2003-10-20 03:42:58 +00:00
Brian Gaeke
edea9eca83 Fix typo in comment. 
llvm-svn: 9187
 2003-10-16 23:45:05 +00:00
Misha Brukman
56f7db4178 Spell `necessary' correctly. 
llvm-svn: 7944
 2003-08-18 14:43:39 +00:00
Brian Gaeke
299cf12f45 addPassesToJITCompile and addPassesToEmitMachineCode now take a 
FunctionPassManager, to support function-at-a-time compilation and
 emission of code.

llvm-svn: 7821
 2003-08-13 18:17:27 +00:00
Chris Lattner
17fc21b5fa This is the real fix for the previous register allocator problem. 
Physical registers should not float around.

llvm-svn: 7587
 2003-08-05 00:48:47 +00:00
Chris Lattner
25e28f61ab Set debug types 
llvm-svn: 7532
 2003-08-03 21:14:38 +00:00
Chris Lattner
1baa706ab7 Move DEBUG to Debug.h 
llvm-svn: 7497
 2003-08-01 22:21:34 +00:00
Chris Lattner
f0df04752d We don't modify the LLVM rep, remain const correct 
llvm-svn: 7345
 2003-07-26 23:06:00 +00:00
John Criswell
258dfc0319 Merged in autoconf branch. This provides configuration via the autoconf 
system.

llvm-svn: 7014
 2003-06-30 21:59:07 +00:00
Brian Gaeke
4681b27a92 Isolate machine-dependent use of <alloca.h> in "Support/Alloca.h", 
so that we can easily change its use to be conditional on the result of
an autoconf test later.

llvm-svn: 6723
 2003-06-16 21:54:01 +00:00
Chris Lattner
d4e4130f0a Fix warnings on Sparc 
llvm-svn: 6658
 2003-06-06 18:25:33 +00:00
Chris Lattner
437985e52c Add statistic for # machine instrs emitted 
Add GROSS HACK to get CompilationCallback to work when compiled in release mode

llvm-svn: 6646
 2003-06-06 04:00:05 +00:00
Chris Lattner
92fba99afb Add namespace comments for doxygen 
llvm-svn: 6581
 2003-06-03 15:31:23 +00:00
Misha Brukman
cb7c80a95c Eliminated a compiler warning due to casting to a different-sized datatype. 
llvm-svn: 6531
 2003-06-02 04:13:58 +00:00
Misha Brukman
8ce9f2956e Renamed MachineCodeEmitter.cpp -> X86CodeEmitter.cpp as it conflicts with the 
target-independent lib/CodeGen/MachineCodeEmitter.cpp; preserved CVS history.

llvm-svn: 6528
 2003-06-02 03:28:00 +00:00
Chris Lattner
be569e986d Move X86 specific code out of the JIT into the X86 backend 
llvm-svn: 6516
 2003-06-01 23:23:50 +00:00
Chris Lattner
99520168c9 This blank line has GOT to go. 
llvm-svn: 6057
 2003-05-09 03:28:13 +00:00
Chris Lattner
59c46ee655 IMPLICIT_DEF was not the beautiful elegant solution I thought it was going 
to be.  In fact, it made stuff worse.  :(

llvm-svn: 6013
 2003-05-07 19:21:28 +00:00
Chris Lattner
b6fab2a875 Don't have a cow with new pseudo instructions 
llvm-svn: 6009
 2003-05-06 21:31:47 +00:00
Chris Lattner
b27d60ccf1 Rename MachineInstrInfo -> TargetInstrInfo 
llvm-svn: 5272
 2003-01-14 22:00:31 +00:00
Chris Lattner
d329d95d7f * Add support for FP registers ST* 
* Add support for the constant pool & constant pool indices
* Add support for MRMS?m instructions
* Fix FP Prefix emission
* Add support for global addresses and external symbols

llvm-svn: 5224
 2003-01-13 00:33:59 +00:00
Chris Lattner
9f8812ec40 * Convert to a MachineFunctionPass 
* ctor doesn't take TM argument
* handle direct ESP references correctly!

llvm-svn: 5179
 2002-12-28 20:24:48 +00:00
Chris Lattner
c96e206d58 Add support for FP prefixes 
llvm-svn: 5151
 2002-12-25 05:09:21 +00:00
Chris Lattner
9e13907a4f Add support for the bswap instruction 
llvm-svn: 5114
 2002-12-23 23:46:00 +00:00
Chris Lattner
d838414ec1 fix warning 
llvm-svn: 5107
 2002-12-20 04:12:48 +00:00
Chris Lattner
ea2d8ad746 Give passes nice names! 
llvm-svn: 5059
 2002-12-15 21:13:40 +00:00
Chris Lattner
534876a78c Use MachineOperand::isFoo methods instead of our own global functions 
llvm-svn: 5033
 2002-12-15 08:01:39 +00:00
Brian Gaeke
5da234a1d7 InstSelectSimple.cpp: Give promote32 a comment. Add initial 
implementation of getReg() for arguments.

MachineCodeEmitter.cpp: Fix using EBP with index, scale and no
 displacement (whew!) due to Chris.

Printer.cpp: Fix printing out index and scale in memory references.

llvm-svn: 4998
 2002-12-13 07:56:18 +00:00
Chris Lattner
62454d83f0 Emit the right form of mod/rm mod field 
llvm-svn: 4986
 2002-12-13 05:05:05 +00:00
Chris Lattner
723ca2522d Rename MemArg* to Arg* 
llvm-svn: 4979
 2002-12-13 03:51:55 +00:00
Chris Lattner
b698cd8236 Make mem size an assert 
Add mem size flags to all instructions using an imm

llvm-svn: 4978
 2002-12-13 03:50:13 +00:00
Misha Brukman
6a5788bb6f This is supposed to provide correct size for datatypes. Supposedly. 
llvm-svn: 4977
 2002-12-13 02:13:15 +00:00
Chris Lattner
96edaabdb2 Fix bogus assertion failures 
llvm-svn: 4919
 2002-12-04 17:32:52 +00:00
Chris Lattner
73ac28801e Add support for referencing global variables/functions 
llvm-svn: 4907
 2002-12-04 06:45:19 +00:00
Chris Lattner
5f0614914e Split the machine code emitter completely out of the printer 
llvm-svn: 4882
 2002-12-03 06:34:06 +00:00
Chris Lattner
e66d3e90ce More support for machine code emission: raw instructions 
llvm-svn: 4872
 2002-12-02 21:56:18 +00:00
Chris Lattner
f48a330fd8 Start implementing MachineCodeEmitter 
llvm-svn: 4870
 2002-12-02 21:44:34 +00:00
Chris Lattner
8227eea4fe Initial support for machine code emission 
llvm-svn: 4866
 2002-12-02 21:24:12 +00:00