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1289 Commits

Author SHA1 Message Date
Alkis Evlogimenos
c6f0651e5c These store to memory too. 
llvm-svn: 11558
 2004-02-17 17:53:48 +00:00
Chris Lattner
88271db3bc These store to memory, not read from it. 
llvm-svn: 11556
 2004-02-17 17:46:50 +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
1e4b3b3c9b Peephole optimize SUBmi{16,32} into SUBmi{16,32}b when immediate is 8 
bits wide.

llvm-svn: 11548
 2004-02-17 15:14:29 +00:00
Alkis Evlogimenos
4f22bb4d4b ADDmi{16,32} should be in the next case statement. 
llvm-svn: 11547
 2004-02-17 15:10:11 +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
d7e3cc8d65 Add CMP{rm,mr,mi}{8,16,32}, INCm{8,16,32} and DECm{8,16,32} instructions. 
llvm-svn: 11544
 2004-02-17 08:49:00 +00:00
Alkis Evlogimenos
638db7b5aa Add SUB{rm,mr,mi}{8,16,32} instructions. 
llvm-svn: 11543
 2004-02-17 08:17:40 +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
Alkis Evlogimenos
28691e063b Add support for ADC{rm.mr}32 and SBB{rm,mr}32. 
llvm-svn: 11540
 2004-02-17 08:06:31 +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
c4ea4d12bf Expand the repertoire of the forms we can print and encode. 
llvm-svn: 11537
 2004-02-17 07:40:44 +00:00
Chris Lattner
029dec8f3e Disable this peephole for now. We can't keep track of the fact that the immediate is 8 bits, 
but the memory reference is full sized.

llvm-svn: 11536
 2004-02-17 07:36:32 +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
5757579731 Fix the last crimes against nature that used the 'ir' ordering to use the 
'ri' ordering instead... no it's not possible to store a register into an
immediate!

llvm-svn: 11529
 2004-02-17 06:24:02 +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
16666f8bd2 Rename MOVi[mr] instructions to MOV[rm]i 
llvm-svn: 11527
 2004-02-17 06:16:44 +00:00
Chris Lattner
1db99b1949 Whoops, got my cases swapped. 
llvm-svn: 11526
 2004-02-17 06:02:15 +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
Chris Lattner
9751eb8ab9 Add mem forms of AND instructions 
llvm-svn: 11521
 2004-02-17 05:25:50 +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
3c514e8a54 Rename the IMULri* instructions to IMULrri, as they are actually three address 
instructions.  Add forms of these instructions that read from memory

llvm-svn: 11518
 2004-02-17 04:26:43 +00:00
Alkis Evlogimenos
501e24b28a Add peephole optimizations for ADD [MEM], IMM8 instructions. 
llvm-svn: 11511
 2004-02-16 23:50:18 +00:00
Alkis Evlogimenos
657876c656 Add two more variants of add. Update comments. 
llvm-svn: 11510
 2004-02-16 23:48:42 +00:00
Chris Lattner
d8cc48da34 Add some ADD instructions that take memory operands for Alkis 
llvm-svn: 11502
 2004-02-16 18:19:31 +00:00
Chris Lattner
336c99d138 Now that the lowerinvoke pass inserts calls to llvm.setjmp/llvm.longjmp, some 
hacks can be banished.  Also, this gives us the opportunity to emit special code
for the setjmp/longjmps which alows the elimination of one GCC warning for every
setjmp/longjmp site (which is often THOUSANDS in C++ programs).  Yaay!

llvm-svn: 11484
 2004-02-15 22:51:47 +00:00
Alkis Evlogimenos
84318d7bb6 Make dense maps keyed on physical registers smallerusing 
MRegisterInfo::getNumRegs() instead of
MRegisterInfo::FirstVirtualRegister.

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

llvm-svn: 11477
 2004-02-15 21:37:17 +00:00
Chris Lattner
28131460da Adjustments to support the new ConstantAggregateZero class 
llvm-svn: 11474
 2004-02-15 05:55:15 +00:00
Chris Lattner
99ed412516 Add support for the new ConstantAggregateZero class 
llvm-svn: 11473
 2004-02-15 05:54:27 +00:00
Chris Lattner
af97b8450d Implement llvm.(frame|return)address(0) correctly. They are used by the LLVM JIT, among other 
applications

llvm-svn: 11459
 2004-02-15 01:04:03 +00:00
Alkis Evlogimenos
fc768e6db0 Fix problem in DEBUG code. I could be pointing past the end and 
dereferencing it causes an assertion error.

llvm-svn: 11458
 2004-02-15 00:46:41 +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
Alkis Evlogimenos
e8f9647831 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.

llvm-svn: 11453
 2004-02-15 00:03:15 +00:00
Chris Lattner
cc5bf36481 Add support for the 'pop' instruction 
llvm-svn: 11451
 2004-02-14 21:06:02 +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
Chris Lattner
c87772961e Urg, right. These need an input value... 
llvm-svn: 11443
 2004-02-14 04:47:23 +00:00
Chris Lattner
69b716e81c Codegen llvm.memset into rep stos[bwd]. Simplify code for llvm.memcpy 
llvm-svn: 11442
 2004-02-14 04:46:05 +00:00
Chris Lattner
6890963e48 add 'rep stos[bwd]' instructions 
llvm-svn: 11441
 2004-02-14 04:45:37 +00:00
Chris Lattner
b8ecb673d1 Add support for the returnaddress and frameaddress intrinsics 
llvm-svn: 11433
 2004-02-14 02:55:36 +00:00
Alkis Evlogimenos
a31a767307 Use newly added next() and prior() utility functions. 
llvm-svn: 11430
 2004-02-14 01:18:34 +00:00