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2792 Commits

Author SHA1 Message Date
Chris Lattner
e639913b11 * Use new pseudo instr form for instructions 
* Mark CALLpcrel as a RawFrm instruction as required
* Eliminate invalid BSWAP16 instruction
* Add xchg instructions
* Add initial support for FP instructions

llvm-svn: 5153
 2002-12-25 05:11:46 +00:00
Chris Lattner
d4566a0a47 Add FP instr prefix byte support 
Add Pseudo instr class

llvm-svn: 5152
 2002-12-25 05:09:59 +00:00
Chris Lattner
c96e206d58 Add support for FP prefixes 
llvm-svn: 5151
 2002-12-25 05:09:21 +00:00
Chris Lattner
68a2c5d133 Add printer support for Pseudo instructions 
llvm-svn: 5150
 2002-12-25 05:09:01 +00:00
Chris Lattner
ab905c5375 Initial support for FP registers 
llvm-svn: 5149
 2002-12-25 05:08:03 +00:00
Chris Lattner
05a3f80d24 New simpler spill interface 
llvm-svn: 5148
 2002-12-25 05:07:09 +00:00
Chris Lattner
34940d2aa8 Adjustments to match new simpler spill interface 
llvm-svn: 5147
 2002-12-25 05:06:43 +00:00
Chris Lattner
31a733bd3a Free machine code 
llvm-svn: 5146
 2002-12-25 05:06:21 +00:00
Chris Lattner
3a506e6f14 Adjust to simpler spill interface 
Only spill and reload caller saved registers that are actually modified.

llvm-svn: 5145
 2002-12-25 05:05:46 +00:00
Chris Lattner
1f19acbda7 Adjustments to work with the simpler spill interface 
llvm-svn: 5144
 2002-12-25 05:04:20 +00:00
Chris Lattner
10edd6367e Remove dependency on SSARegMap.h by MachineFunction.h 
llvm-svn: 5143
 2002-12-25 05:03:22 +00:00
Chris Lattner
1214348847 Fix compilation on GCC 3.2 
llvm-svn: 5136
 2002-12-24 00:44:34 +00:00
Chris Lattner
2ee368e312 Fixes to compile with GCC 3.2 
llvm-svn: 5134
 2002-12-24 00:39:16 +00:00
Chris Lattner
7888f74224 Substantial fixes to live range handling, fixing several problems, getting 
strtol to not miscompile, and fixing bug: 2002-12-23-LocalRAProblem.llx

llvm-svn: 5132
 2002-12-24 00:04:55 +00:00
Chris Lattner
886374c6bc Changes to allow for a configurable target machine that allows big endian and/or long pointer operation 
llvm-svn: 5131
 2002-12-24 00:04:01 +00:00
Chris Lattner
16378bf522 Changes to compile with GCC 2.96 
Changes to support configurable pointer size and endianness

llvm-svn: 5130
 2002-12-24 00:03:11 +00:00
Chris Lattner
4fecd98cb0 Sparc is not little endian 
llvm-svn: 5129
 2002-12-24 00:02:38 +00:00
Chris Lattner
f67bcaf831 Initial checkin 
llvm-svn: 5127
 2002-12-24 00:01:22 +00:00
Chris Lattner
5fe4097f52 Initial checkin of new LLI with JIT compiler 
llvm-svn: 5126
 2002-12-24 00:01:05 +00:00
Chris Lattner
42057e4d2a Substantial changes to refactor LLI to incorporate both the Jello JIT and 
the traditional LLI interpreter

llvm-svn: 5125
 2002-12-23 23:59:41 +00:00
Chris Lattner
2af84f79e3 New files for miscompilation detection 
llvm-svn: 5120
 2002-12-23 23:50:16 +00:00
Chris Lattner
8e628685d9 Fix compilation on gcc 2.96 
llvm-svn: 5116
 2002-12-23 23:46:55 +00:00
Chris Lattner
285f1458f0 Add definition for the bswap instruction 
*** FIX: the encoding of the SUB instruction

llvm-svn: 5115
 2002-12-23 23:46:31 +00:00
Chris Lattner
9e13907a4f Add support for the bswap instruction 
llvm-svn: 5114
 2002-12-23 23:46:00 +00:00
Chris Lattner
7abe5199b3 Fix compilation on GCC 2.96 
llvm-svn: 5113
 2002-12-23 23:44:04 +00:00
Chris Lattner
6b8e873886 Add support for isnan 
llvm-svn: 5111
 2002-12-20 04:18:13 +00:00
Chris Lattner
2dc1b58c11 Fix warning 
llvm-svn: 5109
 2002-12-20 04:13:28 +00:00
Chris Lattner
f8876bb77d CBW doesn't modify AL 
llvm-svn: 5108
 2002-12-20 04:13:11 +00:00
Chris Lattner
d838414ec1 fix warning 
llvm-svn: 5107
 2002-12-20 04:12:48 +00:00
Chris Lattner
5ddc4b5f94 * Fix several register aliasing bugs 
* Add a new option to eliminate spilling of registers that are only used
  within a basic block.

llvm-svn: 5106
 2002-12-18 08:14:26 +00:00
Chris Lattner
c21fd773b8 Don't force setCC instructions into AL 
llvm-svn: 5104
 2002-12-18 01:44:31 +00:00
Chris Lattner
bb2e7ec2b1 Implicit defs/uses list may be empty. 
llvm-svn: 5103
 2002-12-18 01:11:14 +00:00
Chris Lattner
b1c74bb421 Add comments, switch uses/defs to match InstrInfo.def file 
llvm-svn: 5102
 2002-12-18 01:05:54 +00:00
Chris Lattner
0607e84008 Add reg clobber list for direct calls 
Represent empty use/def list as a null pointer

llvm-svn: 5101
 2002-12-18 01:05:31 +00:00
Chris Lattner
c6ac5c70c6 Use new reginfo interface 
llvm-svn: 5099
 2002-12-17 04:19:40 +00:00
Chris Lattner
0b617b0e1d Update to use new interface for register info 
llvm-svn: 5098
 2002-12-17 04:19:17 +00:00
Chris Lattner
cbc794db30 New file 
llvm-svn: 5097
 2002-12-17 04:03:08 +00:00
Chris Lattner
e66a7e80c3 Add prolog/epilog spills/reloads to counters 
Move X86 specific alignment gunk to X86 files

llvm-svn: 5096
 2002-12-17 03:16:10 +00:00
Chris Lattner
dbca3de031 Round number of bytes allocated on the stack up to a multiple of 4 so that the 
stack remains aligned

llvm-svn: 5095
 2002-12-17 03:15:26 +00:00
Chris Lattner
305d72e965 Local register allocator is now stable enough for use, it passes all tests 
llvm-svn: 5094
 2002-12-17 02:51:15 +00:00
Chris Lattner
8dd15fd26c Fix many bugs, regallocator now saves callee-save registers instead of target 
llvm-svn: 5093
 2002-12-17 02:50:10 +00:00
Chris Lattner
4a60d804c2 Register allocator is responsible for spilling callee saved regs 
llvm-svn: 5092
 2002-12-17 02:48:57 +00:00
Chris Lattner
c7e6dd2341 Build add instructions of the correct form! 
llvm-svn: 5090
 2002-12-16 23:36:57 +00:00
Chris Lattner
f5da16f2f6 Two fixes: 
* Only load incoming arguments into virtual registers once at the
    beginning of the function
  * Assign different virtual registers to each reference to constants/globals

llvm-svn: 5088
 2002-12-16 22:54:46 +00:00
Chris Lattner
9d64c1e53a Fix prolog/epilog in the presence of alloca 
llvm-svn: 5087
 2002-12-16 22:29:30 +00:00
Chris Lattner
2e17697e81 Make sure stack manipulation refers to ESP the right number of times 
llvm-svn: 5086
 2002-12-16 22:29:06 +00:00
Chris Lattner
de4d89ef9f Add some special cases to make common getelementptr cases easier to read/faster 
llvm-svn: 5084
 2002-12-16 19:32:50 +00:00
Chris Lattner
4576429b7c Finish implementation of alias list impl 
llvm-svn: 5083
 2002-12-16 19:31:48 +00:00
Chris Lattner
cdcde16ad0 * Fix a gross X86 hack that was intended to avoid allocating SP and BP 
* Implement register alias set support

llvm-svn: 5082
 2002-12-16 17:44:42 +00:00
Chris Lattner
0ede83ee56 Keep the stack frame aligned. 
llvm-svn: 5081
 2002-12-16 17:42:40 +00:00
Chris Lattner
4d0ca4b442 Add mechanism to select register allocator to use 
llvm-svn: 5079
 2002-12-16 16:15:51 +00:00
Chris Lattner
d44868a709 Initial checkin of "local" register allocator. Bugs are still present. 
llvm-svn: 5078
 2002-12-16 16:15:28 +00:00
Chris Lattner
b833239d6b Try #2 to get alias set stuff to work 
llvm-svn: 5077
 2002-12-16 16:14:51 +00:00
Chris Lattner
eae93bdb93 Add comments 
llvm-svn: 5076
 2002-12-16 15:57:44 +00:00
Chris Lattner
fd065b6b1a Add info about register aliases, add prototype for createLocalRegisterAllocator 
llvm-svn: 5075
 2002-12-16 15:55:51 +00:00
Chris Lattner
b413ce63d5 Add info about register file aliasing 
llvm-svn: 5074
 2002-12-16 15:55:25 +00:00
Chris Lattner
e6ad4941fc Add information about register file aliasing 
llvm-svn: 5073
 2002-12-16 15:54:59 +00:00
Chris Lattner
68af8985f4 Add call clobber info 
llvm-svn: 5072
 2002-12-16 15:54:42 +00:00
Chris Lattner
566fb4c7b7 Rename createSimpleX86RegisterAllocator to createSimpleRegisterAllocator 
llvm-svn: 5071
 2002-12-16 14:38:13 +00:00
Chris Lattner
064dd4ef95 Rename createSimpleX86RegisterAllocator to createSimpleRegisterAllocator. 
Remvoe some dead code

llvm-svn: 5070
 2002-12-16 14:37:00 +00:00
Brian Gaeke
e4da1d5de6 brg 
Fix some bugs in use of MBB vs. BB and iterators that are invalidated before
we use them.

Reference targetClass by enum name, not by number.

llvm-svn: 5069
 2002-12-16 04:23:29 +00:00
Chris Lattner
93b0272717 Some simpliciations to the spill/reload interface 
llvm-svn: 5067
 2002-12-15 23:01:26 +00:00
Chris Lattner
6a2d7bef14 Simplify PHI node elimination significantly by doing it as a prepass to 
register allocation

llvm-svn: 5066
 2002-12-15 22:39:53 +00:00
Chris Lattner
4964e751cd Correct the setting of Def flags on registers that are modified! 
llvm-svn: 5065
 2002-12-15 22:38:47 +00:00
Chris Lattner
ebb82f7f96 Variety of small or trivial simplifications to the code, completely eliminated 
the dependence on PhysRegClassMap

llvm-svn: 5064
 2002-12-15 22:19:19 +00:00
Chris Lattner
370918a2db Remove unused savePhysRegToStack method 
llvm-svn: 5061
 2002-12-15 21:33:51 +00:00
Chris Lattner
35ceaa7322 Localize a map, remove another 
llvm-svn: 5060
 2002-12-15 21:24:30 +00:00
Chris Lattner
ea2d8ad746 Give passes nice names! 
llvm-svn: 5059
 2002-12-15 21:13:40 +00:00
Chris Lattner
f499e065be Give simple reg allocator a nice Pass Name 
llvm-svn: 5058
 2002-12-15 21:13:12 +00:00
Chris Lattner
da3e75b117 Add a big assert making sure 2 address instructions are formed right 
llvm-svn: 5057
 2002-12-15 21:02:20 +00:00
Chris Lattner
e8acf72d80 Fix a problem that occurs when PHI nodes have multiple entries for the same predecessor 
llvm-svn: 5055
 2002-12-15 20:48:03 +00:00
Chris Lattner
234abaea18 Grab bag of minor cleanups. Export some statistics about the number of 
spills and reloads emitted

llvm-svn: 5054
 2002-12-15 20:36:09 +00:00
Chris Lattner
dd307412c4 Implement printing of MBB arguments 
llvm-svn: 5053
 2002-12-15 20:35:25 +00:00
Chris Lattner
4214ac384a Simplify interfaces used by regalloc to insert code 
llvm-svn: 5052
 2002-12-15 20:06:35 +00:00
Chris Lattner
351dc9af16 * Simplify code a bit by breaking the PHI node handling stuff out into a seperate 
function from normal regalloc code
* Make the regalloc for a block a function instead of part of runOnMachineBB, which
  makes it easier to see what's going on in runOnMBB.

llvm-svn: 5051
 2002-12-15 19:51:14 +00:00
Chris Lattner
ce23fdeee2 Changes to make new TargetRegisterClass interface. 
llvm-svn: 5050
 2002-12-15 19:29:34 +00:00
Chris Lattner
6c5c2a58ee * Remove some unneccesary instance variables 
* Make allocateStackSpaceFor only allocate the right amount of space

llvm-svn: 5048
 2002-12-15 19:07:34 +00:00
Chris Lattner
caa325a559 * Simplify TargetRegisterClass implementations 
* Change regclass iterators to use an extra level of pointers

llvm-svn: 5047
 2002-12-15 18:40:36 +00:00
Chris Lattner
c43cb38245 pull inverse reg class mapping into a class that is sharable and out of the 
target register description classes.

llvm-svn: 5045
 2002-12-15 18:38:59 +00:00
Chris Lattner
2c20e950be Prune #includes 
llvm-svn: 5044
 2002-12-15 18:19:24 +00:00
Chris Lattner
aab9196e79 Remove extraneous #includes, perform FIXME 
llvm-svn: 5043
 2002-12-15 18:15:24 +00:00
Chris Lattner
7a43d882e2 Fix bug: Assembler/2002-12-15-GlobalResolve.ll 
llvm-svn: 5039
 2002-12-15 16:41:52 +00:00
Chris Lattner
05eed92679 planes is not spelled with an O 
llvm-svn: 5037
 2002-12-15 16:20:23 +00:00
Chris Lattner
41ad5c9aff Fix borkness with not using MachineBasicBlocks in PHI nodes 
llvm-svn: 5035
 2002-12-15 08:02:51 +00:00
Chris Lattner
50d99540cf Add support to cast from a bool type 
Add support for boolean constants
add getClassB method

llvm-svn: 5034
 2002-12-15 08:02:15 +00:00
Chris Lattner
534876a78c Use MachineOperand::isFoo methods instead of our own global functions 
llvm-svn: 5033
 2002-12-15 08:01:39 +00:00
Chris Lattner
61d594690a Fix a huge performance problem in reassociate by introducing a 
rank map cache for instruction ranks

llvm-svn: 5030
 2002-12-15 03:56:00 +00:00
Chris Lattner
18fe81719d Minor changes: 
* Reword comment to make more clear
  * Don't print out BB's after modification made
  * Don't delete and new an instruction when we need to move something, just move it.

llvm-svn: 5029
 2002-12-15 03:49:50 +00:00
Chris Lattner
bd4d66147f Implement indirect function calls 
llvm-svn: 5024
 2002-12-13 14:13:27 +00:00
Misha Brukman
3587ffc7b1 Make function code generation printing debug-only. 
llvm-svn: 5023
 2002-12-13 13:16:14 +00:00
Chris Lattner
c7db3e855f Fix bork in doMultiply 
llvm-svn: 5021
 2002-12-13 13:07:42 +00:00
Chris Lattner
7d5d4f7ab4 Add sanity checks 
llvm-svn: 5020
 2002-12-13 13:04:04 +00:00
Misha Brukman
de680081ab Fixed a bug where moves due to phis were being neglected. 
llvm-svn: 5019
 2002-12-13 12:33:31 +00:00
Misha Brukman
2f2cf00a9f Cleaned up the code: factored out switch/case into a separate function, put 
constants in an array for quick lookup. Stole the idea from elsewhere in
Jello.

llvm-svn: 5017
 2002-12-13 12:00:06 +00:00
Misha Brukman
1f57df5fad Need to insert all moves due to PHI nodes before *ALL* jumps in a predecessor 
basic block, as there could be multiple.

llvm-svn: 5016
 2002-12-13 11:55:59 +00:00
Chris Lattner
de2f97c5e6 Insert phi code at top of block 
llvm-svn: 5015
 2002-12-13 11:52:34 +00:00
Brian Gaeke
460fe53768 lib/Target/X86/InstSelectSimple.cpp: 
The MachineBasicBlock variable name patrol hereby fines Chris Lattner
one bag of nachos, for shadowing global names while his license to do so
was under suspension.

llvm-svn: 5014
 2002-12-13 11:39:18 +00:00
Misha Brukman
0bfbbc73f2 This should be more correct: invalidates physical registers that are used in 
an instruction to avoid using them to allocate to other virtual registers.

llvm-svn: 5013
 2002-12-13 11:33:22 +00:00
Chris Lattner
2c2a5f128e Implement cast bool to X 
llvm-svn: 5012
 2002-12-13 11:31:59 +00:00
Brian Gaeke
b101130d19 Rename all BMI MachineBasicBlock operands to MBB. 
Try to mess around with emitGEPOperation's elementSizeReg to make it work,
again.

llvm-svn: 5011
 2002-12-13 11:22:48 +00:00