Chris Lattner
f48a330fd8
Start implementing MachineCodeEmitter
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llvm-svn: 4870
2002-12-02 21:44:34 +00:00
Chris Lattner
cd65711437
Eliminate OtherFrm
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llvm-svn: 4868
2002-12-02 21:40:58 +00:00
Chris Lattner
e8640c05cc
Remove comment
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Remove handling of OtherFrm
llvm-svn: 4867
2002-12-02 21:40:46 +00:00
Chris Lattner
8227eea4fe
Initial support for machine code emission
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llvm-svn: 4866
2002-12-02 21:24:12 +00:00
Misha Brukman
0b310e3359
Fix order of operands on a store from reg to [reg+offset].
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llvm-svn: 4857
2002-12-02 21:10:35 +00:00
Chris Lattner
89de3f1fc5
Add rawfrm flags
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llvm-svn: 4841
2002-12-01 23:25:59 +00:00
Chris Lattner
d7ae75d381
Don't add implicit regs
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llvm-svn: 4840
2002-12-01 23:24:58 +00:00
Brian Gaeke
1700fefdeb
brg
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InstSelectSimple.cpp: Refactor out conversion of byte, short -> int
from visitReturnInst() to new method, promote32().
Use it in both visitReturnInst() and visitCallInst().
llvm-svn: 4839
2002-11-30 11:57:28 +00:00
Brian Gaeke
b6fc905124
brg
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InstSelectSimple.cpp: First draft of visitCallInst method, handling
int/float args.
X86InstrInfo.def: Add entries for CALL with 32-bit pc relative arg, and
PUSH with 32-bit reg arg.
llvm-svn: 4838
2002-11-29 12:01:58 +00:00
Brian Gaeke
d944e15946
brg
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InstSelectSimple.cpp: Add some comments that say what I'm going to do for
calls and casts.
llvm-svn: 4832
2002-11-26 10:43:30 +00:00
Misha Brukman
3ba057b8c4
Oops. Got the MOVrm and MOVmr mixed up. Fixed. We can now print out
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instructions correctly.
llvm-svn: 4830
2002-11-22 23:15:27 +00:00
Misha Brukman
a301022017
Enable the register allocator pass.
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llvm-svn: 4829
2002-11-22 22:45:07 +00:00
Misha Brukman
02c0acabb9
Added methods to read/write values to stack in .h, fixed implementation in
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.cpp to return the iterator correctly.
llvm-svn: 4827
2002-11-22 22:43:47 +00:00
Misha Brukman
23d923ff18
Added -*- C++ -*- mode to the comments.
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llvm-svn: 4826
2002-11-22 22:42:50 +00:00
Misha Brukman
e43fe85591
Add a simple way to add memory locations of format [reg+offset]
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llvm-svn: 4825
2002-11-22 22:42:12 +00:00
Brian Gaeke
2d771c7b5f
lib/Target/X86/InstSelectSimple.cpp: Add visitCallInst, visitCastInst.
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llvm-svn: 4821
2002-11-22 11:07:01 +00:00
Chris Lattner
fe85dd13d2
Handle cmp Reg, 0 correctly
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llvm-svn: 4819
2002-11-21 23:30:00 +00:00
Chris Lattner
6021c0d120
Printing support for more stuff
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llvm-svn: 4818
2002-11-21 22:49:46 +00:00
Chris Lattner
a147d38780
Don't add implicit operands
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llvm-svn: 4817
2002-11-21 22:49:20 +00:00
Chris Lattner
de36dd3a36
Fix off by one bug
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llvm-svn: 4816
2002-11-21 22:48:15 +00:00
Chris Lattner
de6d53e549
Add fixme
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llvm-svn: 4815
2002-11-21 22:48:01 +00:00
Chris Lattner
93c5c3ff44
Minor code cleanups
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llvm-svn: 4814
2002-11-21 21:04:50 +00:00
Chris Lattner
af8c29b47d
Implement printing of store instructions
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llvm-svn: 4813
2002-11-21 21:03:39 +00:00
Chris Lattner
918179475a
The big change here is to handle printing/emission of X86II::MRMSrcMem
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instructions. Right now the only users are load instructions, and Misha's
spill code
llvm-svn: 4812
2002-11-21 20:44:15 +00:00
Chris Lattner
2112a6d7b8
Remove implicit information from instruction selector
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llvm-svn: 4811
2002-11-21 18:54:29 +00:00
Chris Lattner
c9e824d750
Add printing information for MUL and DIV
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llvm-svn: 4810
2002-11-21 18:54:14 +00:00
Chris Lattner
d2207d5464
Fix a bug that prevented compilation of multiple functions
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llvm-svn: 4809
2002-11-21 17:26:58 +00:00
Chris Lattner
fab5468d86
Remove opcode information for instructions that are completely defined now
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llvm-svn: 4805
2002-11-21 17:12:55 +00:00
Chris Lattner
d432d2f75e
Add printing support for sahf & setcc
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llvm-svn: 4804
2002-11-21 17:10:57 +00:00
Chris Lattner
766d0da035
Add printing support for /0 /1 type instructions
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llvm-svn: 4803
2002-11-21 17:09:01 +00:00
Chris Lattner
9f9d6aef08
Add support for /0 /1, etc type instructions
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llvm-svn: 4802
2002-11-21 17:08:49 +00:00
Chris Lattner
b1b5855551
Rename the SetCC X86 instructions to reflect the fact that they are the
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register versions
llvm-svn: 4800
2002-11-21 16:19:42 +00:00
Chris Lattner
d6236d8100
Simplify setcc code a bit
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llvm-svn: 4799
2002-11-21 15:52:38 +00:00
Chris Lattner
2f9488d131
Support Registers of the form (B8+ rd) for example
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llvm-svn: 4798
2002-11-21 02:00:20 +00:00
Chris Lattner
32bfb6a115
Dont' set flags
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llvm-svn: 4797
2002-11-21 01:59:50 +00:00
Chris Lattner
aa8aa73902
Implement printing more, implement opcode output more
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llvm-svn: 4796
2002-11-21 01:33:44 +00:00
Chris Lattner
53a9c9aac6
Huge diff do to reindeinting comments.
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Basically just adds OpSize flags for instructions that need them.
llvm-svn: 4795
2002-11-21 01:33:28 +00:00
Chris Lattner
92a3c2c77d
Add new prefix flag
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llvm-svn: 4794
2002-11-21 01:32:55 +00:00
Chris Lattner
228180c2ae
Print another class of instructions correctly, giving us: xorl EDX, EDX
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for example.
llvm-svn: 4793
2002-11-21 00:30:01 +00:00
Misha Brukman
5d89dbcf41
Booleans are types too. And they get stored in bytes. And InstructionSelection
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doesn't assert fail. And everyone's happy. Yay!
llvm-svn: 4792
2002-11-21 00:25:56 +00:00
Misha Brukman
96283090dc
Add definitions for function headers from MRegisterInfo.h:
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Some functions are in X86RegisterInfo.cpp, others, because of the data they
need, are in X86RegisterClasses.cpp, which also defines some register classes:
byte, short, and int.
llvm-svn: 4784
2002-11-20 18:59:43 +00:00
Misha Brukman
42f51b24e1
Check not only for MO_VirtualRegister, but MO_MachineRegister as well when
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printing out assembly. After all, we want the real thing too.
llvm-svn: 4783
2002-11-20 18:56:41 +00:00
Misha Brukman
505ca2e419
Add mapping in MachineFunction from SSA regs to Register Classes. Also,
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uncovered a bug where registers were not being put in a map if they were not
found...
llvm-svn: 4776
2002-11-20 00:58:23 +00:00
Misha Brukman
8d3bef2e1b
Sigh. Fixed some speling.
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llvm-svn: 4775
2002-11-20 00:56:42 +00:00
Misha Brukman
00d8343760
Thanks to the R8, R16, and R32 macros, I can now deal with registers that
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belong to different register classes easier.
llvm-svn: 4773
2002-11-20 00:47:40 +00:00
Brian Gaeke
49acd3c0ba
Brian Gaeke says:
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lib/Target/X86/InstSelectSimple.cpp: Add a little something to
visitBranchInst which supports conditional branches.
lib/Target/X86/X86InstrInfo.def: Add defs of JNE, JE, CMPri8
llvm-svn: 4755
2002-11-19 09:08:47 +00:00
Chris Lattner
cd1f56fc36
Start trying to print instructions more correctly. For now we also print out the opcode for each instruction as well.
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llvm-svn: 4743
2002-11-18 06:56:51 +00:00
Chris Lattner
8301d751ee
Expose base opcode
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llvm-svn: 4742
2002-11-18 06:56:24 +00:00
Chris Lattner
54bb9d64a3
Start to add more information to instr.def
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llvm-svn: 4741
2002-11-18 05:37:11 +00:00
Chris Lattner
e921369cf7
Add instruction annotation about whether it has a 0x0F opcode prefix
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llvm-svn: 4740
2002-11-18 01:59:28 +00:00
Chris Lattner
acf38562df
Add more void flags
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llvm-svn: 4739
2002-11-18 01:37:48 +00:00
Chris Lattner
7a67557e29
Set the void flag on instructions that should get it
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llvm-svn: 4738
2002-11-18 01:34:36 +00:00
Chris Lattner
a7d7b16161
Arrange to have a TargetMachine available in X86InstrInfo::print
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llvm-svn: 4734
2002-11-17 23:20:37 +00:00
Chris Lattner
700e8f6a01
Wow, I'm incapable of the simplest things today...
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llvm-svn: 4732
2002-11-17 23:05:21 +00:00
Chris Lattner
1cd77c9933
Rename registers to follow the intel style of all caps
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llvm-svn: 4731
2002-11-17 23:03:46 +00:00
Chris Lattner
5374a3be97
Reorganize printing interface a bit
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llvm-svn: 4728
2002-11-17 22:53:13 +00:00
Chris Lattner
970ae6d569
Fix minor detail
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llvm-svn: 4725
2002-11-17 22:33:26 +00:00
Chris Lattner
72e99c8344
Fix Mul/Div clobbers
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llvm-svn: 4718
2002-11-17 21:56:38 +00:00
Chris Lattner
dcb6f1dbf9
Fix a few typos, implement load/store
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llvm-svn: 4716
2002-11-17 21:11:55 +00:00
Chris Lattner
06066e17c3
Add functions to buld X86 specific constructs
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llvm-svn: 4714
2002-11-17 21:03:35 +00:00
Chris Lattner
5e21732045
Add information about memory index representation
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llvm-svn: 4712
2002-11-17 20:33:26 +00:00
Chris Lattner
99b5e2f073
Add load/store instructions
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llvm-svn: 4711
2002-11-17 20:33:12 +00:00
Chris Lattner
fb67938381
Switch visitRet to use getClass()
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llvm-svn: 4710
2002-11-17 20:07:45 +00:00
Brian Gaeke
492e05ba01
include/llvm/CodeGen/MachineInstrBuilder.h: Add addClobber() inline
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convenience method. Fix typo in comment.
lib/Target/X86/InstSelectSimple.cpp: Explicitly specify some implicit uses.
Use MOVZX/MOVSX instead of MOV instructions with sign extend instructions.
Take out LEAVE instructions.
32-bit IDIV and DIV use CDQ, not CWQ (CWQ is a typo).
Fix typo in comment and remove some FIXME comments.
lib/Target/X86/Printer.cpp: Include X86InstrInfo.h and llvm/Function.h.
Add some simple code to Printer::runOnFunction to iterate over
MachineBasicBlocks and call X86InstrInfo::print().
lib/Target/X86/X86InstrInfo.def: Make some more instructions with
implicit defs "Void". Add more sign/zero extending "move" insns
(movsx, movzx).
lib/Target/X86/X86RegisterInfo.def: Add EFLAGS as a register.
llvm-svn: 4707
2002-11-14 22:32:30 +00:00
Brian Gaeke
8cfe5d95f1
InstSelectSimple.cpp: (visitReturnInst) Add return instructions with return
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values.
X86InstrInfo.def: add LEAVE instruction.
llvm-svn: 4691
2002-11-11 19:37:09 +00:00
Brian Gaeke
100510d2a8
Add instruction selection code and tests for setcc instructions
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llvm-svn: 4603
2002-11-07 17:59:21 +00:00
Chris Lattner
79296d7609
Implement signed and unsigned division and remainder
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llvm-svn: 4508
2002-11-02 20:54:46 +00:00
Chris Lattner
234cc2848a
Implement multiply operator
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llvm-svn: 4506
2002-11-02 20:28:58 +00:00
Chris Lattner
efa2b8226f
* Implement subtract
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* Merge add code into logical code
llvm-svn: 4503
2002-11-02 20:13:22 +00:00
Chris Lattner
5d1648c792
shuffle code around a bit, implement and, or, xor
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llvm-svn: 4502
2002-11-02 20:04:26 +00:00
Chris Lattner
45000f0eb7
Add PHI node support, add comment for branch function
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llvm-svn: 4500
2002-11-02 19:45:49 +00:00
Chris Lattner
d4010481a7
Implement unconditional branching support
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llvm-svn: 4498
2002-11-02 19:27:56 +00:00
Chris Lattner
2634141328
* Fix nonconstant shift case
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* Turn table into 2d table
llvm-svn: 4496
2002-11-02 01:41:55 +00:00
Chris Lattner
14ce86f5b0
Use a more table driven approach to handling types. Seems to simplify the
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code a bit
llvm-svn: 4493
2002-11-02 01:15:18 +00:00
Chris Lattner
ef1d6548bb
Make switch statements denser, but only because of the follow-on patch
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llvm-svn: 4492
2002-11-02 00:49:56 +00:00
Chris Lattner
b3e08ace0c
* Remove dead variable
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* Shift amount is always guaranteed to be 8 bits
llvm-svn: 4491
2002-11-02 00:44:25 +00:00
Brian Gaeke
2ad8a9cf8b
InstSelectSimple.cpp: Include llvm/iOther.h for ShiftInst.
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Add ISel::visitShiftInst() to instruction select shift instructions.
Add a comment in visitAdd about how to do 64 bit adds.
X86InstrInfo.def: Add register-to-register move opcodes and shift opcodes.
llvm-svn: 4477
2002-10-31 23:03:59 +00:00
Chris Lattner
47bbeeac43
Add lots more info
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llvm-svn: 4450
2002-10-30 06:04:46 +00:00
Chris Lattner
cbbc96bd8d
Make sure to set the destination register correctly
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llvm-svn: 4444
2002-10-30 01:49:01 +00:00
Chris Lattner
d18210e53f
Set the destination register field based on the target specific flags
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llvm-svn: 4442
2002-10-30 01:15:31 +00:00
Chris Lattner
80f1f696e8
Add flag to specify when no value is produced by an instruction
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llvm-svn: 4441
2002-10-30 01:09:34 +00:00
Chris Lattner
a8069b87b3
Implement the new optional getRegisterInfo
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llvm-svn: 4437
2002-10-30 00:56:18 +00:00
Chris Lattner
faa5c82486
Print machine code after instruction selection
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llvm-svn: 4434
2002-10-30 00:47:49 +00:00
Chris Lattner
40d5ff97c1
Make sure to pass the LLVM basic block in
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llvm-svn: 4433
2002-10-30 00:47:40 +00:00
Chris Lattner
4352ba0640
Construct annotation, to make sure it's attached to function
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llvm-svn: 4429
2002-10-29 23:40:58 +00:00
Chris Lattner
d3b57a0084
Convert backend to use passes, implement X86TargetMachine
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llvm-svn: 4421
2002-10-29 22:37:54 +00:00
Chris Lattner
82479f668c
Rename X86InstructionInfo to X86InstrInfo
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llvm-svn: 4413
2002-10-29 21:05:24 +00:00
Chris Lattner
0518ad4aea
Minor renaming
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llvm-svn: 4410
2002-10-29 20:48:56 +00:00
Chris Lattner
af52d6564a
Switch to generating machineinstr's instead of MInstructions
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llvm-svn: 4396
2002-10-29 17:43:55 +00:00
Chris Lattner
483afe2221
Be compatible with sparc backend
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llvm-svn: 4395
2002-10-29 17:43:38 +00:00
Chris Lattner
9e3867d6d3
Implement MachineInstrInfo interface
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llvm-svn: 4394
2002-10-29 17:43:19 +00:00
Chris Lattner
f963781fcb
Switch to different flag set
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llvm-svn: 4393
2002-10-29 17:42:40 +00:00
Chris Lattner
152b53fc64
Initial stab at MachineInstr'ication
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llvm-svn: 4367
2002-10-28 23:55:19 +00:00
Misha Brukman
c4be791be2
Fixed spelling and grammar.
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llvm-svn: 4353
2002-10-28 20:01:52 +00:00
Chris Lattner
28d6f5bc40
Remove dead fixme
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llvm-svn: 4300
2002-10-27 21:23:43 +00:00
Chris Lattner
e4e731b30c
Instruction select constant arguments correctly
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llvm-svn: 4297
2002-10-27 21:16:59 +00:00
Chris Lattner
046cb65220
Add instruction definitions for mov r, imm instructions
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llvm-svn: 4296
2002-10-27 21:16:44 +00:00
Chris Lattner
d25a097994
Initial checkin of X86 backend.
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We can instruction select exactly one instruction 'ret void'. Wow.
llvm-svn: 4284
2002-10-25 22:55:53 +00:00