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85 Commits

Author SHA1 Message Date
Misha Brukman
e38f7ed2cc Spell out `NoFramePointerElim' for readability. 
llvm-svn: 14299
 2004-06-21 21:17:44 +00:00
Misha Brukman
a2ac4e4345 Use the common `NoFPElim' setting instead of our own. 
llvm-svn: 14298
 2004-06-21 21:10:24 +00:00
Chris Lattner
0cd29ae2cd Rename Type::PrimitiveID to TypeId and ::getPrimitiveID() to ::getTypeID() 
llvm-svn: 14201
 2004-06-17 18:19:28 +00:00
Chris Lattner
4c8b57ea31 Add support for the setp instructions 
llvm-svn: 14140
 2004-06-11 04:30:06 +00:00
Chris Lattner
5ad9eaab1a Convert to the new TargetMachine interface. 
llvm-svn: 13952
 2004-06-02 05:55:25 +00:00
Alkis Evlogimenos
20b074682c Add more ADC and SBB variants 
llvm-svn: 12607
 2004-04-02 07:11:10 +00:00
Chris Lattner
6c1dd729d3 Implement spill code folding for all of the conditional move instructions 
llvm-svn: 12554
 2004-03-30 21:29:47 +00:00
Alkis Evlogimenos
2b94b048a9 Another API change to MRegisterInfo::foldMemoryOperand. Instead of a 
MachineBasicBlock::iterator take a MachineInstr*.

llvm-svn: 12392
 2004-03-14 20:14:27 +00:00
Alkis Evlogimenos
ff9482b664 Change MRegisterInfo::foldMemoryOperand to return the folded 
instruction to make the API more flexible.

llvm-svn: 12386
 2004-03-14 07:19:51 +00:00
Alkis Evlogimenos
65649a50e9 Add memory operand version of conditional move. 
llvm-svn: 12190
 2004-03-07 03:19:11 +00:00
Alkis Evlogimenos
7ecfe0a839 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
Alkis Evlogimenos
6815402082 SHLD and SHRD take 32-bit operands but an 8-bit immediate. Rename them 
to denote this fact.

llvm-svn: 11972
 2004-02-28 23:46:44 +00:00
Alkis Evlogimenos
e8dac99a43 Floating point loads/stores act on memory operands. Rename them to 
denote this fact.

llvm-svn: 11971
 2004-02-28 23:42:35 +00:00
Alkis Evlogimenos
6038a89025 Uncomment instructions that take both an immediate and a memory 
operand but their sizes differ.

llvm-svn: 11969
 2004-02-28 22:06:59 +00:00
Alkis Evlogimenos
977dbaadf7 Do not generate instructions with mismatched memory/immediate sized 
operands. The X86 backend doesn't handle them properly right now.

llvm-svn: 11944
 2004-02-28 06:01:43 +00:00
Alkis Evlogimenos
5ac109957f Add memory operand folding support for the SETcc family of 
instructions.

llvm-svn: 11907
 2004-02-27 16:13:37 +00:00
Alkis Evlogimenos
0742b93bb9 Add memory operand folding support for SHLD and SHRD instructions. 
llvm-svn: 11905
 2004-02-27 15:03:18 +00:00
Alkis Evlogimenos
b1f67f6741 Add memory operand folding support for SHL, SHR and SAR, SHLD instructions. 
llvm-svn: 11903
 2004-02-27 09:28:43 +00:00
Alkis Evlogimenos
7f7d70a53c 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
6998610eda When folding memory operands in machine instructions be careful to 
leave register operands with the same use/def flags as the original
instruction.

llvm-svn: 11709
 2004-02-22 06:54:26 +00:00
Chris Lattner
f58d2dd6cf Add support for GlobalAddress's for alkis 
llvm-svn: 11560
 2004-02-17 18:23:55 +00:00
Alkis Evlogimenos
0528c59353 Instructiosn with 1 memory operand have 4 operands in our 
representation.. duh!

llvm-svn: 11554
 2004-02-17 15:58:13 +00:00
Alkis Evlogimenos
b1a61b72f2 Align case statements. 
llvm-svn: 11552
 2004-02-17 15:50:41 +00:00
Alkis Evlogimenos
b815fd46ec Add TEST and XCHG memory operand support. 
llvm-svn: 11550
 2004-02-17 15:48:42 +00:00
Alkis Evlogimenos
32a5b0fd6c Add OR and XOR memory operand support. 
llvm-svn: 11549
 2004-02-17 15:33:14 +00:00
Alkis Evlogimenos
135c4faa55 Add memory operand folding support for MUL, DIV, IDIV, NEG, NOT, 
MOVSX, and MOVZX.

llvm-svn: 11546
 2004-02-17 09:14:23 +00:00
Alkis Evlogimenos
e7bbd1c2fb Add memory operand folding for CMP{rm,mr,mi}{8,16,32}, INCm{8,16,32} 
and DECm{8,16,32} instructions.

llvm-svn: 11545
 2004-02-17 08:49:20 +00:00
Alkis Evlogimenos
5aa39e1583 Add support for folding memory operands for ADC, SBB and SUB instructions. 
llvm-svn: 11541
 2004-02-17 08:08:51 +00:00
Chris Lattner
eb1428d581 Add a (hidden) option to print instructions that fail to fuse. It's looking 
like compares and test's would be the next huge win...

llvm-svn: 11539
 2004-02-17 08:03:47 +00:00
Alkis Evlogimenos
19248dd757 Add support for folding memory operands in MOVri{8,16,32} instructions. 
llvm-svn: 11538
 2004-02-17 07:47:20 +00:00
Chris Lattner
a9493ad718 Add an option to disable spill fusing in the X86 backend 
llvm-svn: 11531
 2004-02-17 06:30:34 +00:00
Chris Lattner
d4b2f4ef32 Fix the mneumonics for the mov instructions to have the source and destination 
order in the correct sense!! Arg!

llvm-svn: 11530
 2004-02-17 06:28:19 +00:00
Chris Lattner
4682990fa5 GRRR. Move instructions have swapped the order of the r/m operands. 
llvm-svn: 11528
 2004-02-17 06:20:20 +00:00
Chris Lattner
e227ae6b88 Change to match the newer, simpler, interface 
llvm-svn: 11525
 2004-02-17 05:54:57 +00:00
Chris Lattner
b82bb37952 Add support for folding memory operands into AND and IMUL's 
llvm-svn: 11523
 2004-02-17 05:46:06 +00:00
Chris Lattner
48e19d8b8e Scrunchify code, by adding helpers. No functionality changes. 
llvm-svn: 11522
 2004-02-17 05:35:13 +00:00
Alkis Evlogimenos
c4ec9111bb Add API to check and fold memory operands into instructions. 
llvm-svn: 11519
 2004-02-17 04:33:18 +00:00
Chris Lattner
679c106ce3 Fix the 'have a framepointer' case, so that the frame pointer always points 
to the old saved EBP.

llvm-svn: 11455
 2004-02-15 00:15:37 +00:00
Chris Lattner
3246911460 There is no reason to align the stack pointer if there are no callees of this 
function!

llvm-svn: 11450
 2004-02-14 20:11:07 +00:00
Chris Lattner
f28479d600 The prologue/epilogue related method calls have no reason to return a value, 
make them return void.

This allows us to avoid some costly MBB.size() calls

llvm-svn: 11448
 2004-02-14 19:49:54 +00:00
Chris Lattner
1248c8a7f7 finegrainify namespacification, fix 80col prob 
llvm-svn: 11445
 2004-02-14 06:00:36 +00:00
Alkis Evlogimenos
a31a767307 Use newly added next() and prior() utility functions. 
llvm-svn: 11430
 2004-02-14 01:18:34 +00:00
Alkis Evlogimenos
94cab18bdc Change interface so that we can add to the end of a basic block 
without getting an assertion from ilist that we are dereferencing
ilist<T>::end().

llvm-svn: 11345
 2004-02-12 08:11:04 +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
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
Alkis Evlogimenos
c6a7c83333 Change all machine basic block modifier functions in MRegisterInfo to 
return the number of instructions added to/removed from the basic block
passed as their first argument.

Note: This is only needed because we use a std::vector instead of an
ilist to keep MachineBasicBlock instructions. Inserting an instruction
to a MachineBasicBlock invalidates all iterators to the basic
block. The return value can be used to update an index to the machine
basic block instruction vector and circumvent the iterator elimination
problem but this is really not needed if we move to a better
representation.

llvm-svn: 9704
 2003-11-04 22:57:09 +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
c115e75755 Output a contorted sequence of instructions to make sure that we don't access 
off the bottom of the stack.  This fixes PR#41

llvm-svn: 9114
 2003-10-14 19:09:05 +00:00
Chris Lattner
907de53acb Disable the leaf function optimization, which is apparently not legal on 
X86/linux.  :(  The problem is that a signal delivered while the function
is executing could clobber the functions stack.  This is a partial fix
for PR41.

llvm-svn: 9113
 2003-10-14 18:52:41 +00:00