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753 Commits

Author SHA1 Message Date
Chris Lattner
f120ebbf8a GRRR. Move instructions have swapped the order of the r/m operands. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@11528 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-02-17 06:20:20 +00:00
Chris Lattner
6e173a0d9c Rename MOVi[mr] instructions to MOV[rm]i 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@11527 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-02-17 06:16:44 +00:00
Chris Lattner
90c38c8141 Whoops, got my cases swapped. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@11526 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-02-17 06:02:15 +00:00
Chris Lattner
5a051f65d3 Change to match the newer, simpler, interface 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@11525 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-02-17 05:54:57 +00:00
Chris Lattner
0f9c491abc Add support for folding memory operands into AND and IMUL's 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@11523 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-02-17 05:46:06 +00:00
Chris Lattner
7c035b73a4 Scrunchify code, by adding helpers. No functionality changes. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@11522 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-02-17 05:35:13 +00:00
Chris Lattner
4ff7876c64 Add mem forms of AND instructions 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@11521 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-02-17 05:25:50 +00:00
Alkis Evlogimenos
b499866c05 Add API to check and fold memory operands into instructions. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@11519 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-02-17 04:33:18 +00:00
Chris Lattner
55b5481255 Rename the IMULri* instructions to IMULrri, as they are actually three address 
instructions.  Add forms of these instructions that read from memory


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@11518 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-02-17 04:26:43 +00:00
Alkis Evlogimenos
31bbb5190b Add peephole optimizations for ADD [MEM], IMM8 instructions. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@11511 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-02-16 23:50:18 +00:00
Alkis Evlogimenos
7271e0e107 Add two more variants of add. Update comments. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@11510 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-02-16 23:48:42 +00:00
Chris Lattner
e0f636a068 Add some ADD instructions that take memory operands for Alkis 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@11502 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-02-16 18:19:31 +00:00
Alkis Evlogimenos
859a18b583 Make dense maps keyed on physical registers smallerusing 
MRegisterInfo::getNumRegs() instead of
MRegisterInfo::FirstVirtualRegister.

Also use MRegisterInfo::is{Physical,Virtual}Register where
appropriate.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@11477 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-02-15 21:37:17 +00:00
Chris Lattner
0e5b79c174 Implement llvm.(frame|return)address(0) correctly. They are used by the LLVM JIT, among other 
applications


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@11459 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-02-15 01:04:03 +00:00
Alkis Evlogimenos
b929bca027 Fix problem in DEBUG code. I could be pointing past the end and 
dereferencing it causes an assertion error.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@11458 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-02-15 00:46:41 +00:00
Chris Lattner
96c3d2e2e7 Fix the 'have a framepointer' case, so that the frame pointer always points 
to the old saved EBP.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@11455 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-02-15 00:15:37 +00:00
Alkis Evlogimenos
c81efdc59c Add back machine code deleter pass until we get a MachineCode pass 
that will be responsible for the creation of MachineFunctions and will
be required by all MachineFunctionPass passes.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@11453 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-02-15 00:03:15 +00:00
Chris Lattner
3193556387 Add support for the 'pop' instruction 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@11451 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-02-14 21:06:02 +00:00
Chris Lattner
e9dd84ea8a There is no reason to align the stack pointer if there are no callees of this 
function!


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@11450 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-02-14 20:11:07 +00:00
Chris Lattner
bb07ef97cf 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


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@11448 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-02-14 19:49:54 +00:00
Chris Lattner
300d0eda6f finegrainify namespacification, fix 80col prob 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@11445 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-02-14 06:00:36 +00:00
Chris Lattner
9f87a6ce6f Urg, right. These need an input value... 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@11443 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-02-14 04:47:23 +00:00
Chris Lattner
2a0f224ce9 Codegen llvm.memset into rep stos[bwd]. Simplify code for llvm.memcpy 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@11442 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-02-14 04:46:05 +00:00
Chris Lattner
b89abef577 add 'rep stos[bwd]' instructions 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@11441 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-02-14 04:45:37 +00:00
Alkis Evlogimenos
f81af21caf Use newly added next() and prior() utility functions. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@11430 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-02-14 01:18:34 +00:00
Chris Lattner
0712283e43 There is no need to emit a shift if the size is constant, which is common 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@11420 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-02-13 23:36:47 +00:00
Alkis Evlogimenos
be766c7246 Remove getAllocatedRegNum(). Use getReg() instead. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@11393 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-02-13 21:01:20 +00:00
Chris Lattner
915e5e56d7 Add support for the rep movs[bwd] instructions, and emit them when code 
generating the llvm.memcpy intrinsic.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@11351 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-02-12 17:53:22 +00:00
Alkis Evlogimenos
024126ee23 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().


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@11345 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-02-12 08:11:04 +00:00
Alkis Evlogimenos
c0b9dc5be7 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.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@11340 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-02-12 02:27:10 +00:00
Chris Lattner
b009c0088c s/getOpCode/getOpcode 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@11332 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-02-11 19:26:28 +00:00
Chris Lattner
61b08f193a Add #include 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@11285 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-02-10 21:18:55 +00:00
Chris Lattner
c31ecb9aae Remove uses of MachineOperand::isVirtualRegister 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@11281 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-02-10 20:55:47 +00:00
Chris Lattner
6d21518718 Don't use MachineOperator::is(Phys|Virt)Register 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@11276 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-02-10 20:31:28 +00:00
Chris Lattner
0bbf3052c2 Tighten up checks 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@11274 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-02-10 20:25:13 +00:00
Chris Lattner
d21cd809b6 Adjust to the changed StructType interface. In particular, getElementTypes() is gone. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@11228 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-02-09 04:37:31 +00:00
Chris Lattner
f6f263ce8c Add a new (hidden) option that is useful for profiling. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@11218 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-02-09 01:47:10 +00:00
Alkis Evlogimenos
14be64018f Modify the two address instruction pass to remove the duplicate 
operand of the instruction and thus simplify the register allocation.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@11124 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-02-04 22:17:40 +00:00
Brian Gaeke
74ceb298fe Take away the default iostream argument of createMachineFunctionPrinterPass(), 
at Chris's request.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@11120 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-02-04 21:41:01 +00:00
Alkis Evlogimenos
f0339396c1 IMULri* instructions do not require their first two registers operands 
to be the same (IOW they are not two address instructions).


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@11117 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-02-04 17:21:04 +00:00
Chris Lattner
9f08a92e6c Generate ftst instructions for comparison against zero 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@11098 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-02-03 18:54:04 +00:00
Chris Lattner
3b904eb351 Add the ftst instruction 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@11095 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-02-03 07:27:50 +00:00
Chris Lattner
b97046ae4f Add support for one argument OneArgFP instructions 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@11094 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-02-03 07:27:34 +00:00
Chris Lattner
1580193020 No need to declare implicit uses/defs of ST0 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@11081 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-02-02 19:57:45 +00:00
Chris Lattner
9f8fd6d9ea Generate the fchs instruction to negate a floating point number 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@11078 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-02-02 19:31:38 +00:00
Chris Lattner
4a06f35484 Add support for OneArgFPRW instructions, fix a couple of typeos 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@11077 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-02-02 19:23:15 +00:00
Chris Lattner
af70362e40 Codegen -0.0 correctly. Do not use fldz! This is another -0.0 == +0.0 problem, arg. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@11070 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-02-02 18:56:30 +00:00
Alkis Evlogimenos
a1b6f95f78 FpMOV is also a move instruction. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@11055 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-02-01 08:22:16 +00:00
Chris Lattner
847df25e7d Add some comments sketching out how this is to work eventually. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@11026 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-01-30 22:25:18 +00:00
Chris Lattner
79b13735ad Add a new flag, which is only used for symmetry. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@11025 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-01-30 22:24:18 +00:00