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34 Commits

Author SHA1 Message Date
Chris Lattner 733aac1270 Disable 2->3 address promotion of add and inc instructions to LEA's. In 
addition to being three address, LEA's don't set the flags.

This fixes 186.crafty.

llvm-svn: 19251
 2005-01-02 04:18:17 +00:00
Chris Lattner b7782d77c1 Implement the convertToThreeAddress method, add support for inverting JP/JNP 
branches.

llvm-svn: 19247
 2005-01-02 02:37:07 +00:00
Chris Lattner 4d7af1c680 Fix a warning 
llvm-svn: 15409
 2004-08-01 19:31:30 +00:00
Alkis Evlogimenos bb635a27a4 Align breaks. 
llvm-svn: 15371
 2004-07-31 10:05:44 +00:00
Chris Lattner fcef7655fa Add breaks 
llvm-svn: 15365
 2004-07-31 09:53:31 +00:00
Alkis Evlogimenos ce15f8f4c9 Simplify code a bit. 
llvm-svn: 15364
 2004-07-31 09:44:32 +00:00
Alkis Evlogimenos aaf642103a Correctly spell 'unconditional'. 
llvm-svn: 15363
 2004-07-31 09:41:44 +00:00
Alkis Evlogimenos f57d78a87d Implement insertGoto and reverseBranchCondition for the X86. 
llvm-svn: 15362
 2004-07-31 09:38:47 +00:00
Alkis Evlogimenos ea81b79a97 A big X86 instruction rename. The instructions are renamed to make 
their names more decriptive. A name consists of the base name, a
default operand size followed by a character per operand with an
optional special size. For example:

ADD8rr -> add, 8-bit register, 8-bit register

IMUL16rmi -> imul, 16-bit register, 16-bit memory, 16-bit immediate

IMUL16rmi8 -> imul, 16-bit register, 16-bit memory, 8-bit immediate

MOVSX32rm16 -> movsx, 32-bit register, 16-bit memory

llvm-svn: 11995
 2004-02-29 08:50:03 +00:00
Chris Lattner ed01da8f0b Adjust to change in TII ctor arguments 
llvm-svn: 11987
 2004-02-29 06:31:44 +00:00
Chris Lattner ca89812db7 These two virtual methods are never called. 
llvm-svn: 11984
 2004-02-29 05:59:33 +00:00
Alkis Evlogimenos 8358cc573d Move MOTy::UseType enum into MachineOperand. This eliminates the 
switch statements in the constructors and simplifies the
implementation of the getUseType() member function. You will have to
specify defs using MachineOperand::Def instead of MOTy::Def though
(similarly for Use and UseAndDef).

llvm-svn: 11715
 2004-02-22 19:23:26 +00:00
Alkis Evlogimenos 8cdd0215bf Remove getAllocatedRegNum(). Use getReg() instead. 
llvm-svn: 11393
 2004-02-13 21:01:20 +00:00
Chris Lattner 92252f42c3 Don't use MachineOperator::is(Phys|Virt)Register 
llvm-svn: 11276
 2004-02-10 20:31:28 +00:00
Chris Lattner 259e98ed27 Tighten up checks 
llvm-svn: 11274
 2004-02-10 20:25:13 +00:00
Alkis Evlogimenos aeb8a80c71 FpMOV is also a move instruction. 
llvm-svn: 11055
 2004-02-01 08:22:16 +00:00
Alkis Evlogimenos 52564b2071 Add TargetInstrInfo::isMoveInstr() to support coalescing in register 
allocation.

llvm-svn: 10633
 2003-12-28 17:35:08 +00:00
Brian Gaeke 960707c335 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 482202a601 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 05e2f385a7 * Start using tablegen'd instruction descriptions 
* Fix bug in the createNOP method, which was not marking the operands of the
  generated XCHG as useanddef.  I don't think this method is actually used,
  so it wasn't breaking anything, but it should be fixed anyway...

llvm-svn: 7539
 2003-08-03 21:55:55 +00:00
Misha Brukman e2402c65d0 Reword to remove reference to how things worked in the past. 
llvm-svn: 6323
 2003-05-24 01:08:43 +00:00
Misha Brukman d21a02ad58 Implement the TargetInstrInfo's createNOPinstr() and isNOPinstr() interface. 
llvm-svn: 6320
 2003-05-24 00:09:50 +00:00
Chris Lattner b4d58d7f9e Rename MachineInstrInfo -> TargetInstrInfo 
llvm-svn: 5272
 2003-01-14 22:00:31 +00:00
Chris Lattner b54343a64f Add comments, switch uses/defs to match InstrInfo.def file 
llvm-svn: 5102
 2002-12-18 01:05:54 +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
Misha Brukman 1a72c637fb Added -*- C++ -*- mode to the comments. 
llvm-svn: 4826
 2002-11-22 22:42:50 +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 9289d7d693 Reorganize printing interface a bit 
llvm-svn: 4728
 2002-11-17 22:53:13 +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 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 16cbd41c21 Implement MachineInstrInfo interface 
llvm-svn: 4394
 2002-10-29 17:43:19 +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