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10420 Commits

Author SHA1 Message Date
Chris Lattner 4859c65d48 Implement initial support for return values from call instructions 
llvm-svn: 4924
 2002-12-04 23:45:28 +00:00
Misha Brukman 81c7a3a84c Adjust the stack pointer after a function call, proportional to the number of 
arguments pushed onto the stack.

llvm-svn: 4922
 2002-12-04 19:22:53 +00:00
Misha Brukman dfa9cfa67f Added instructions to add/subtract imm32 to/from a reg32. 
llvm-svn: 4921
 2002-12-04 19:15:22 +00:00
Chris Lattner fb8032dc84 Fix bogus assertion failures 
llvm-svn: 4919
 2002-12-04 17:32:52 +00:00
Chris Lattner 8d79e5c9d9 Avoid bad assertion 
llvm-svn: 4918
 2002-12-04 17:28:40 +00:00
Chris Lattner 82cc643401 Remove think-o assertion 
llvm-svn: 4917
 2002-12-04 17:18:30 +00:00
Chris Lattner ccf17c6564 Avoid crashing on Arguments, just silently miscompile 
llvm-svn: 4916
 2002-12-04 17:15:34 +00:00
Misha Brukman 1af9bebcda storeReg2RegOffset() and loadRegOffset2Reg() now take the iterator by value 
instead of by reference, since they return the modified iterator.

llvm-svn: 4914
 2002-12-04 17:14:13 +00:00
Misha Brukman 0d28502c32 Moved buildReg2RegClassMap() into from X86RegisterInfo to MRegisterInfo, since 
it is target-independent.

llvm-svn: 4911
 2002-12-04 16:47:04 +00:00
Chris Lattner 7b1ec5ed3a Add a "Lazy Function Resolution in Jello" section 
Remove some todo's

llvm-svn: 4910
 2002-12-04 16:12:54 +00:00
Chris Lattner bc98081090 Fix a bug I introduced in a previous change 
llvm-svn: 4909
 2002-12-04 06:56:56 +00:00
Chris Lattner 6425a502a6 Add support for referencing global variables/functions 
llvm-svn: 4907
 2002-12-04 06:45:19 +00:00
Misha Brukman d9522256d3 Added support for callee- and caller-save registers. 
llvm-svn: 4897
 2002-12-03 23:11:21 +00:00
Chris Lattner 64261741c7 Fix broken ret opcode, grr... 
llvm-svn: 4895
 2002-12-03 22:50:02 +00:00
Chris Lattner 645b7548bf Fix instsel for calls 
llvm-svn: 4891
 2002-12-03 20:30:12 +00:00
Chris Lattner 6a0874071b Fix the build 
llvm-svn: 4884
 2002-12-03 18:15:59 +00:00
Brian Gaeke b676857358 brg 
Add support for cast ... to bool in visitCastInst (it's a start, anyways...)

llvm-svn: 4883
 2002-12-03 07:36:03 +00:00
Chris Lattner 8052f8006b Split the machine code emitter completely out of the printer 
llvm-svn: 4882
 2002-12-03 06:34:06 +00:00
Chris Lattner 0d80874f6c * Move information about Implicit Defs/Uses into X86InstrInfo.def. 
* Expose information about implicit defs/uses of register through the
  MachineInstrInfo.h file.

llvm-svn: 4877
 2002-12-03 05:42:53 +00:00
Brian Gaeke 5485c079d1 brg 
X86Implicit.cpp, X86Implicit.h: New files.
InstSelectSimple.cpp: Add some clarifications in visitCallInst comments.

llvm-svn: 4874
 2002-12-03 00:51:09 +00:00
Chris Lattner 15fbd61664 More support for machine code emission: raw instructions 
llvm-svn: 4872
 2002-12-02 21:56:18 +00:00
Chris Lattner 1207ccdbc1 Expose explicit type 
llvm-svn: 4871
 2002-12-02 21:50:41 +00:00
Chris Lattner db31bbad6b Start implementing MachineCodeEmitter 
llvm-svn: 4870
 2002-12-02 21:44:34 +00:00
Chris Lattner 58743b9f78 Eliminate OtherFrm 
llvm-svn: 4868
 2002-12-02 21:40:58 +00:00
Chris Lattner d5823603fa Remove comment 
Remove handling of OtherFrm

llvm-svn: 4867
 2002-12-02 21:40:46 +00:00
Chris Lattner 787a9de685 Initial support for machine code emission 
llvm-svn: 4866
 2002-12-02 21:24:12 +00:00
Misha Brukman aa15563510 Fix order of operands on a store from reg to [reg+offset]. 
llvm-svn: 4857
 2002-12-02 21:10:35 +00:00
Chris Lattner 08cd1edaa9 Add rawfrm flags 
llvm-svn: 4841
 2002-12-01 23:25:59 +00:00
Chris Lattner 7dcb1436da Don't add implicit regs 
llvm-svn: 4840
 2002-12-01 23:24:58 +00:00
Brian Gaeke 2ad3501d3f brg 
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 23953e0f8a brg 
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 4ba2cb110a brg 
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 5014e38273 Oops. Got the MOVrm and MOVmr mixed up. Fixed. We can now print out 
instructions correctly.

llvm-svn: 4830
 2002-11-22 23:15:27 +00:00
Misha Brukman 55cf6bfae4 Enable the register allocator pass. 
llvm-svn: 4829
 2002-11-22 22:45:07 +00:00
Misha Brukman bde217d7a9 Added methods to read/write values to stack in .h, fixed implementation in 
.cpp to return the iterator correctly.

llvm-svn: 4827
 2002-11-22 22:43:47 +00:00
Misha Brukman 1a72c637fb Added -*- C++ -*- mode to the comments. 
llvm-svn: 4826
 2002-11-22 22:42:50 +00:00
Misha Brukman 4ea94a4be0 Add a simple way to add memory locations of format [reg+offset] 
llvm-svn: 4825
 2002-11-22 22:42:12 +00:00
Brian Gaeke aa91eae6af lib/Target/X86/InstSelectSimple.cpp: Add visitCallInst, visitCastInst. 
llvm-svn: 4821
 2002-11-22 11:07:01 +00:00
Chris Lattner e5330c4adf Handle cmp Reg, 0 correctly 
llvm-svn: 4819
 2002-11-21 23:30:00 +00:00
Chris Lattner f435afc268 Printing support for more stuff 
llvm-svn: 4818
 2002-11-21 22:49:46 +00:00
Chris Lattner 174a94007d Don't add implicit operands 
llvm-svn: 4817
 2002-11-21 22:49:20 +00:00
Chris Lattner b35341ee25 Fix off by one bug 
llvm-svn: 4816
 2002-11-21 22:48:15 +00:00
Chris Lattner af7bd2c6b5 Add fixme 
llvm-svn: 4815
 2002-11-21 22:48:01 +00:00
Chris Lattner 1c80d37765 Minor code cleanups 
llvm-svn: 4814
 2002-11-21 21:04:50 +00:00
Chris Lattner 4fbd8a2f78 Implement printing of store instructions 
llvm-svn: 4813
 2002-11-21 21:03:39 +00:00
Chris Lattner 61fafd35f5 The big change here is to handle printing/emission of X86II::MRMSrcMem 
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 cf7c225e06 Remove implicit information from instruction selector 
llvm-svn: 4811
 2002-11-21 18:54:29 +00:00
Chris Lattner e8885d949a Add printing information for MUL and DIV 
llvm-svn: 4810
 2002-11-21 18:54:14 +00:00
Chris Lattner 5e50475adb Fix a bug that prevented compilation of multiple functions 
llvm-svn: 4809
 2002-11-21 17:26:58 +00:00
Chris Lattner 7939ecc8eb Remove opcode information for instructions that are completely defined now 
llvm-svn: 4805
 2002-11-21 17:12:55 +00:00
Chris Lattner 1f9530508b Add printing support for sahf & setcc 
llvm-svn: 4804
 2002-11-21 17:10:57 +00:00
Chris Lattner c868841ad6 Add printing support for /0 /1 type instructions 
llvm-svn: 4803
 2002-11-21 17:09:01 +00:00
Chris Lattner a6eb52fcf7 Add support for /0 /1, etc type instructions 
llvm-svn: 4802
 2002-11-21 17:08:49 +00:00
Chris Lattner 41e2d4cdcf Rename the SetCC X86 instructions to reflect the fact that they are the 
register versions

llvm-svn: 4800
 2002-11-21 16:19:42 +00:00
Chris Lattner 45ddd59da5 Simplify setcc code a bit 
llvm-svn: 4799
 2002-11-21 15:52:38 +00:00
Chris Lattner 177e928a46 Support Registers of the form (B8+ rd) for example 
llvm-svn: 4798
 2002-11-21 02:00:20 +00:00
Chris Lattner 3a3ac9d225 Dont' set flags 
llvm-svn: 4797
 2002-11-21 01:59:50 +00:00
Chris Lattner 6985c19b61 Implement printing more, implement opcode output more 
llvm-svn: 4796
 2002-11-21 01:33:44 +00:00
Chris Lattner dfbfd81217 Huge diff do to reindeinting comments. 
Basically just adds OpSize flags for instructions that need them.

llvm-svn: 4795
 2002-11-21 01:33:28 +00:00
Chris Lattner c48d0fa9a2 Add new prefix flag 
llvm-svn: 4794
 2002-11-21 01:32:55 +00:00
Chris Lattner f03132f014 Print another class of instructions correctly, giving us: xorl EDX, EDX 
for example.

llvm-svn: 4793
 2002-11-21 00:30:01 +00:00
Misha Brukman 95e6287734 Booleans are types too. And they get stored in bytes. And InstructionSelection 
doesn't assert fail. And everyone's happy. Yay!

llvm-svn: 4792
 2002-11-21 00:25:56 +00:00
Misha Brukman 53d2de923a Add definitions for function headers from MRegisterInfo.h: 
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 6e5d493e0f Check not only for MO_VirtualRegister, but MO_MachineRegister as well when 
printing out assembly. After all, we want the real thing too.

llvm-svn: 4783
 2002-11-20 18:56:41 +00:00
Misha Brukman eaaceb1210 Add mapping in MachineFunction from SSA regs to Register Classes. Also, 
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 ade1143692 Sigh. Fixed some speling. 
llvm-svn: 4775
 2002-11-20 00:56:42 +00:00
Misha Brukman 310afc5f8c Thanks to the R8, R16, and R32 macros, I can now deal with registers that 
belong to different register classes easier.

llvm-svn: 4773
 2002-11-20 00:47:40 +00:00
Brian Gaeke a648bc6674 Brian Gaeke says: 
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 5812f06b30 Start trying to print instructions more correctly. For now we also print out the opcode for each instruction as well. 
llvm-svn: 4743
 2002-11-18 06:56:51 +00:00
Chris Lattner cf72e52df3 Expose base opcode 
llvm-svn: 4742
 2002-11-18 06:56:24 +00:00
Chris Lattner 0018e8d5fc Start to add more information to instr.def 
llvm-svn: 4741
 2002-11-18 05:37:11 +00:00
Chris Lattner f2e00c62ab Add instruction annotation about whether it has a 0x0F opcode prefix 
llvm-svn: 4740
 2002-11-18 01:59:28 +00:00
Chris Lattner c6f7457e90 Add more void flags 
llvm-svn: 4739
 2002-11-18 01:37:48 +00:00
Chris Lattner dbdacac022 Set the void flag on instructions that should get it 
llvm-svn: 4738
 2002-11-18 01:34:36 +00:00
Chris Lattner 5fd53046b0 Arrange to have a TargetMachine available in X86InstrInfo::print 
llvm-svn: 4734
 2002-11-17 23:20:37 +00:00
Chris Lattner b79ccae887 Wow, I'm incapable of the simplest things today... 
llvm-svn: 4732
 2002-11-17 23:05:21 +00:00
Chris Lattner afce16dec8 Rename registers to follow the intel style of all caps 
llvm-svn: 4731
 2002-11-17 23:03:46 +00:00
Chris Lattner 9289d7d693 Reorganize printing interface a bit 
llvm-svn: 4728
 2002-11-17 22:53:13 +00:00
Chris Lattner 64c3bb99ed Fix minor detail 
llvm-svn: 4725
 2002-11-17 22:33:26 +00:00
Chris Lattner cb57e5ca17 Fix Mul/Div clobbers 
llvm-svn: 4718
 2002-11-17 21:56:38 +00:00
Chris Lattner ecdb49d74a Fix a few typos, implement load/store 
llvm-svn: 4716
 2002-11-17 21:11:55 +00:00
Chris Lattner c682b4a9ab Add functions to buld X86 specific constructs 
llvm-svn: 4714
 2002-11-17 21:03:35 +00:00
Chris Lattner 6fd0ef303d Add information about memory index representation 
llvm-svn: 4712
 2002-11-17 20:33:26 +00:00
Chris Lattner e86f98e06c Add load/store instructions 
llvm-svn: 4711
 2002-11-17 20:33:12 +00:00
Chris Lattner 09fddd97fb Switch visitRet to use getClass() 
llvm-svn: 4710
 2002-11-17 20:07:45 +00:00
Brian Gaeke e74543584a include/llvm/CodeGen/MachineInstrBuilder.h: Add addClobber() inline 
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 b2687880e2 InstSelectSimple.cpp: (visitReturnInst) Add return instructions with return 
values.
X86InstrInfo.def: add LEAVE instruction.

llvm-svn: 4691
 2002-11-11 19:37:09 +00:00
Brian Gaeke 9cbe229704 Add instruction selection code and tests for setcc instructions 
llvm-svn: 4603
 2002-11-07 17:59:21 +00:00
Chris Lattner 781986c436 Implement signed and unsigned division and remainder 
llvm-svn: 4508
 2002-11-02 20:54:46 +00:00
Chris Lattner d12e1bc777 Implement multiply operator 
llvm-svn: 4506
 2002-11-02 20:28:58 +00:00
Chris Lattner e823fb32f4 * Implement subtract 
* Merge add code into logical code

llvm-svn: 4503
 2002-11-02 20:13:22 +00:00
Chris Lattner dd873d2179 shuffle code around a bit, implement and, or, xor 
llvm-svn: 4502
 2002-11-02 20:04:26 +00:00
Chris Lattner abe3280ad9 Add PHI node support, add comment for branch function 
llvm-svn: 4500
 2002-11-02 19:45:49 +00:00
Chris Lattner 16af2d5aa8 Implement unconditional branching support 
llvm-svn: 4498
 2002-11-02 19:27:56 +00:00
Chris Lattner cfb187f6bb * Fix nonconstant shift case 
* Turn table into 2d table

llvm-svn: 4496
 2002-11-02 01:41:55 +00:00
Chris Lattner ff3d28f403 Use a more table driven approach to handling types. Seems to simplify the 
code a bit

llvm-svn: 4493
 2002-11-02 01:15:18 +00:00
Chris Lattner 63f4e752cd Make switch statements denser, but only because of the follow-on patch 
llvm-svn: 4492
 2002-11-02 00:49:56 +00:00
Chris Lattner 122b73b7a6 * Remove dead variable 
* Shift amount is always guaranteed to be 8 bits

llvm-svn: 4491
 2002-11-02 00:44:25 +00:00
Brian Gaeke 6e2d676829 InstSelectSimple.cpp: Include llvm/iOther.h for ShiftInst. 
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 6c34c0baf5 Add lots more info 
llvm-svn: 4450
 2002-10-30 06:04:46 +00:00
Chris Lattner c9e1efd0f8 Make sure to set the destination register correctly 
llvm-svn: 4444
 2002-10-30 01:49:01 +00:00
Chris Lattner 87b84a6913 Set the destination register field based on the target specific flags 
llvm-svn: 4442
 2002-10-30 01:15:31 +00:00
Chris Lattner 60c59d5b4e Add flag to specify when no value is produced by an instruction 
llvm-svn: 4441
 2002-10-30 01:09:34 +00:00
Chris Lattner 858a4a6595 Implement the new optional getRegisterInfo 
llvm-svn: 4437
 2002-10-30 00:56:18 +00:00
Chris Lattner d7a855668d Print machine code after instruction selection 
llvm-svn: 4434
 2002-10-30 00:47:49 +00:00
Chris Lattner e3ceb17d54 Make sure to pass the LLVM basic block in 
llvm-svn: 4433
 2002-10-30 00:47:40 +00:00
Chris Lattner 7ee171b717 Construct annotation, to make sure it's attached to function 
llvm-svn: 4429
 2002-10-29 23:40:58 +00:00
Chris Lattner 02a3d837c2 Convert backend to use passes, implement X86TargetMachine 
llvm-svn: 4421
 2002-10-29 22:37:54 +00:00
Chris Lattner 27d247978b Rename X86InstructionInfo to X86InstrInfo 
llvm-svn: 4413
 2002-10-29 21:05:24 +00:00
Chris Lattner f57420ee17 Minor renaming 
llvm-svn: 4410
 2002-10-29 20:48:56 +00:00
Chris Lattner 2990e9b6cd Switch to generating machineinstr's instead of MInstructions 
llvm-svn: 4396
 2002-10-29 17:43:55 +00:00
Chris Lattner 6c3f9c1b8f Be compatible with sparc backend 
llvm-svn: 4395
 2002-10-29 17:43:38 +00:00
Chris Lattner 16cbd41c21 Implement MachineInstrInfo interface 
llvm-svn: 4394
 2002-10-29 17:43:19 +00:00
Chris Lattner f4b122dbc5 Switch to different flag set 
llvm-svn: 4393
 2002-10-29 17:42:40 +00:00
Chris Lattner 1303f2f057 Initial stab at MachineInstr'ication 
llvm-svn: 4367
 2002-10-28 23:55:19 +00:00
Misha Brukman d5b45791a4 Fixed spelling and grammar. 
llvm-svn: 4353
 2002-10-28 20:01:52 +00:00
Chris Lattner 52c2d10a19 Remove dead fixme 
llvm-svn: 4300
 2002-10-27 21:23:43 +00:00
Chris Lattner 7d3e5dbf2b Instruction select constant arguments correctly 
llvm-svn: 4297
 2002-10-27 21:16:59 +00:00
Chris Lattner 407582dc5a Add instruction definitions for mov r, imm instructions 
llvm-svn: 4296
 2002-10-27 21:16:44 +00:00
Chris Lattner d92fb0058b Initial checkin of X86 backend. 
We can instruction select exactly one instruction 'ret void'.  Wow.

llvm-svn: 4284
 2002-10-25 22:55:53 +00:00