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4547 Commits

Author SHA1 Message Date
Chris Lattner 23d55f2547 Remove the X86PeepholeOptimizerPass, a truly horrible old hack that is now 
obsolete.  yaay :)

llvm-svn: 25939
 2006-02-03 18:54:24 +00:00
Chris Lattner c408558638 When rewriting frame instructions, emit the appropriate small-immediate 
instruction when possible.

llvm-svn: 25938
 2006-02-03 18:20:04 +00:00
Chris Lattner ca76917388 Teach sparc to fold loads/stores into copies. 
Remove the dead getRegClassForType method
minor formating changes.

llvm-svn: 25936
 2006-02-03 07:06:25 +00:00
Chris Lattner d7d98611ca Implement isLoadFromStackSlot and isStoreToStackSlot 
llvm-svn: 25932
 2006-02-03 06:44:54 +00:00
Chris Lattner a23b04acdb remove some target-indep and implemented notes 
llvm-svn: 25930
 2006-02-03 06:22:11 +00:00
Chris Lattner d1aaee03ce target independent notes 
llvm-svn: 25929
 2006-02-03 06:21:43 +00:00
Nate Begeman fc567d85d5 Flesh out a couple of the items in the README 
llvm-svn: 25928
 2006-02-03 05:17:06 +00:00
Andrew Lenharth 1318240fd0 isStoreToStackSlot 
llvm-svn: 25925
 2006-02-03 03:07:37 +00:00
Chris Lattner a1eac9b978 the X86 backend no longer needs to delete its own noop copies 
llvm-svn: 25923
 2006-02-03 02:59:58 +00:00
Chris Lattner f0a2d66d1c Add a note 
llvm-svn: 25921
 2006-02-03 01:49:49 +00:00
Chris Lattner 9b178ce225 update a note 
llvm-svn: 25918
 2006-02-02 23:50:22 +00:00
Nate Begeman 4efb328926 add 64b gpr store to the possible list of isStoreToStackSlot opcodes. 
llvm-svn: 25916
 2006-02-02 21:07:50 +00:00
Chris Lattner 5123346708 fix operand numbers 
llvm-svn: 25915
 2006-02-02 20:38:12 +00:00
Chris Lattner c327d71e06 implement isStoreToStackSlot for PPC 
llvm-svn: 25914
 2006-02-02 20:16:12 +00:00
Chris Lattner bb53acd03c Move isLoadFrom/StoreToStackSlot from MRegisterInfo to TargetInstrInfo,a far more logical place. Other methods should also be moved if anyoneis interested. :) 
llvm-svn: 25913
 2006-02-02 20:12:32 +00:00
Chris Lattner 246ee44c8f implement isStoreToStackSlot 
llvm-svn: 25911
 2006-02-02 20:00:41 +00:00
Chris Lattner 0acc90c67e add a method 
llvm-svn: 25910
 2006-02-02 19:57:16 +00:00
Chris Lattner d8208c3665 more notes 
llvm-svn: 25908
 2006-02-02 19:43:28 +00:00
Chris Lattner d3f033e8e0 add a note, I have no idea how important this is. 
llvm-svn: 25907
 2006-02-02 19:16:34 +00:00
Chris Lattner e10e1024bc %fcc is not an alias for %fcc0 
llvm-svn: 25906
 2006-02-02 08:02:20 +00:00
Chris Lattner cb34968d19 correct an opcode 
llvm-svn: 25905
 2006-02-02 07:56:15 +00:00
Chris Lattner 9dd7df7ee7 new example 
llvm-svn: 25903
 2006-02-02 07:37:11 +00:00
Nate Begeman cd018525f8 Update the README 
llvm-svn: 25902
 2006-02-02 07:27:56 +00:00
Chris Lattner e0c60d63b1 Implement MaskedValueIsZero for ANY_EXTEND nodes 
llvm-svn: 25900
 2006-02-02 06:43:15 +00:00
Chris Lattner 4b2ec8af23 implemented, testcase here: test/Regression/CodeGen/X86/compare-add.ll 
llvm-svn: 25899
 2006-02-02 06:36:48 +00:00
Evan Cheng d3908f79cb Update. 
llvm-svn: 25896
 2006-02-02 02:40:17 +00:00
Evan Cheng d8fba3a1ee Fix a erroneous comment. 
llvm-svn: 25894
 2006-02-02 00:28:23 +00:00
Chris Lattner 6132a87cf4 more notes 
llvm-svn: 25890
 2006-02-01 23:38:08 +00:00
Evan Cheng b3ea2677a4 Tell codegen MOVAPSrr and MOVAPDrr are copies. 
llvm-svn: 25889
 2006-02-01 23:03:16 +00:00
Evan Cheng f1ed826c2a Added SSE entries to foldMemoryOperand(). 
llvm-svn: 25888
 2006-02-01 23:02:25 +00:00
Evan Cheng 8b40cde148 Rearrange code to my liking. :) 
llvm-svn: 25887
 2006-02-01 23:01:57 +00:00
Chris Lattner f7f056751c add a method 
llvm-svn: 25884
 2006-02-01 22:38:46 +00:00
Chris Lattner 2f7650f9dc another note 
llvm-svn: 25883
 2006-02-01 21:44:48 +00:00
Andrew Lenharth 4b1c726fbb Add immediate forms of cmov and remove some cruft 
llvm-svn: 25882
 2006-02-01 19:37:33 +00:00
Chris Lattner ba56b5dc35 Finegrainify namespacification 
llvm-svn: 25877
 2006-02-01 18:10:56 +00:00
Chris Lattner a983beab37 add a note 
llvm-svn: 25876
 2006-02-01 17:54:23 +00:00
Nate Begeman 7e7f439f85 Fix some of the stuff in the PPC README file, and clean up legalization 
of the SELECT_CC, BR_CC, and BRTWOWAY_CC nodes.

llvm-svn: 25875
 2006-02-01 07:19:44 +00:00
Chris Lattner 3da1bb520e add a note, I'll take care of this after nate commits his big patch 
llvm-svn: 25873
 2006-02-01 06:40:32 +00:00
Evan Cheng 9e350cd6ad - 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
Evan Cheng c404b5748c Remove another entry. 
llvm-svn: 25871
 2006-02-01 06:08:48 +00:00
Chris Lattner b0a76b0981 Another regression from the pattern isel 
llvm-svn: 25867
 2006-02-01 01:44:25 +00:00
Chris Lattner 7ed3101d14 Beef up the interface to inline asm constraint parsing, making it more general, useful, and easier to use. 
llvm-svn: 25866
 2006-02-01 01:29:47 +00:00
Evan Cheng a24617f5d4 Return's chain should be matching either the chain produced by the 
value or the chain going into the load.

llvm-svn: 25863
 2006-02-01 01:19:32 +00:00
Chris Lattner a0527473ac another testcase. 
llvm-svn: 25862
 2006-02-01 00:28:12 +00:00
Evan Cheng e1ce4d7115 When folding a load into a return of SSE value, check the chain to 
ensure the memory location has not been clobbered.

llvm-svn: 25861
 2006-02-01 00:20:21 +00:00
Evan Cheng bc1fcd074e Remove an item. It's done. 
llvm-svn: 25860
 2006-02-01 00:15:53 +00:00
Evan Cheng 5659ca8f47 Be smarter about whether to store the SSE return value in memory. If 
it is already available in memory, do a fld directly from there.

llvm-svn: 25859
 2006-01-31 23:19:54 +00:00
Chris Lattner 64387c3e9c turning these into 'adds' would require extra copies 
llvm-svn: 25858
 2006-01-31 22:59:46 +00:00
Evan Cheng 72d5c256c9 - Allow XMM load (for scalar use) to be folded into ANDP* and XORP*. 
- Use XORP* to implement fneg.

llvm-svn: 25857
 2006-01-31 22:28:30 +00:00
Evan Cheng a91eb48547 Remove entries on fabs and fneg. These are done. 
llvm-svn: 25856
 2006-01-31 22:26:21 +00:00