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86 Commits

Author SHA1 Message Date
Akira Hatanaka
ce499bc633 [mips] Split SelectAddr, which was used to match address patterns, into two 
functions. Set AddedComplexity to determine the order in which patterns are
matched.

This simplifies selection of floating point loads/stores.

No functionality change intended.

llvm-svn: 175300
 2013-02-15 21:20:45 +00:00
Akira Hatanaka
6866b6da71 [mips] Set flag neverHasSideEffects flag on some of the floating point instructions. 
llvm-svn: 173401
 2013-01-25 00:20:39 +00:00
Jack Carter
d66ed8368e This patch tackles the problem of parsing Mips 
register names in the standalone assembler llvm-mc.

Registers such as $A1 can represent either a 32 or
64 bit register based on the instruction using it.
In addition, based on the abi, $T0 can represent different
32 bit registers.


The problem is resolved by the Mips specific AsmParser 
td definitions changing to work together. Many cases of
RegisterClass parameters are now RegisterOperand.


Contributer: Vladimir Medic
llvm-svn: 172284
 2013-01-12 01:03:14 +00:00
Akira Hatanaka
9ed2d54e79 [mips] Remove asm string parameter from pseudo instructions. Add InstrItinClass 
parameter.

llvm-svn: 170661
 2012-12-20 04:20:09 +00:00
Akira Hatanaka
9b0bb584d7 [mips] Delete all floating point instruction classes that are no longer used. 
No functionality change.

llvm-svn: 170084
 2012-12-13 02:05:02 +00:00
Akira Hatanaka
91fcd99fe7 [mips] Modify definitions of floating point comparison instructions. 
No functionality change.

llvm-svn: 170077
 2012-12-13 01:34:09 +00:00
Akira Hatanaka
a2c716142c [mips] Modify definitions of floating point branch instructions. 
No functionality change.

llvm-svn: 170076
 2012-12-13 01:32:36 +00:00
Akira Hatanaka
1adf30b9d9 [mips] Modify definitions of floating point indexed load and store instructions. 
No functionality change.

llvm-svn: 170075
 2012-12-13 01:30:49 +00:00
Akira Hatanaka
98db320b09 [mips] Modify definitions of floating point multiply-add/sub instructions. 
No functionality change.

llvm-svn: 170073
 2012-12-13 01:27:48 +00:00
Akira Hatanaka
c9ffc6e2aa [mips] Modify definitions of floating point load and store instructions. 
No functionality change.

llvm-svn: 170072
 2012-12-13 01:24:00 +00:00
Akira Hatanaka
8870233371 [mips] Modify definitions of move from/to coprocessor instructions. 
No functionality change.

llvm-svn: 170071
 2012-12-13 01:16:49 +00:00
Akira Hatanaka
ec241a272b [mips] Modify definitions of two register operand floating point instructions. 
No functionality change.

llvm-svn: 170069
 2012-12-13 01:14:07 +00:00
Akira Hatanaka
3e348c6459 [mips] Modify definitions of three register operand floating point instructions 
and separate encoding information from the rest.

llvm-svn: 170066
 2012-12-13 01:07:37 +00:00
Akira Hatanaka
5b3f83b790 [mips] Move classes that do not belong in MipsInstrFormats.td into 
MipsInstrFPU.td.
 

llvm-svn: 170061
 2012-12-13 00:49:23 +00:00
Akira Hatanaka
06623f41fb [mips] Set isCommutable flag in a more explicit way. 
llvm-svn: 170060
 2012-12-13 00:46:23 +00:00
Akira Hatanaka
17afb028f1 [mips] Remove fmt from the parameter list of classes FMADDSUB and FNMADDSUB. 
llvm-svn: 170057
 2012-12-13 00:38:59 +00:00
Akira Hatanaka
09dbe69401 [mips] Remove single-precision floating point instruction from multiclass 
FFR2P_M.
 

llvm-svn: 170055
 2012-12-13 00:35:54 +00:00
Akira Hatanaka
27204fd141 [mips] Remove single-precision floating point instructions from multiclasses 
FFR1_W_M and FFR1P_M. The new instruction definitions have one-to-one
correspondence with the instructions in the ISA manual.
 

llvm-svn: 170053
 2012-12-13 00:29:29 +00:00
Akira Hatanaka
57161323ed [mips] Shorten predicate name. 
llvm-svn: 169579
 2012-12-07 03:06:09 +00:00
Akira Hatanaka
ee3532f807 [mips] Add predicate HasFPIdx for floating-point indexed load instruction 
support and use it in place of HasMips32r2Or64.

llvm-svn: 168089
 2012-11-15 21:17:13 +00:00
Akira Hatanaka
1bfa522bfe [mips] Set flag neverHasSideEffects flag on floating point conversion 
instructions.

llvm-svn: 167348
 2012-11-03 00:53:12 +00:00
Akira Hatanaka
03b00bdf4d Remove aligned/unaligned load/store fragments defined in MipsInstrInfo.td and 
use load/store fragments defined in TargetSelectionDAG.td in place of them.
Unaligned loads/stores are either expanded or lowered to target-specific nodes,
so instruction selection should see only aligned load/store nodes.

No changes in functionality.

llvm-svn: 163960
 2012-09-15 01:52:08 +00:00
Akira Hatanaka
4e1b032521 Add stub methods for mips assembly matcher. 
Patch by Vladimir Medic.

llvm-svn: 162124
 2012-08-17 20:16:42 +00:00
Akira Hatanaka
e1beddb7e8 Define ADJCALLSTACKDOWN/UP nodes. These nodes are emitted regardless of whether 
or not it is in mips16 mode. Define MipsPseudo (mode-independant pseudo) and
PseudoSE (mips32/64 pseudo) classes.

llvm-svn: 161071
 2012-07-31 19:13:07 +00:00
Akira Hatanaka
aab47c049b Fix type of LUXC1 and SUXC1. These instructions were incorrectly defined as 
single-precision load and store.

Also avoid selecting LUXC1 and SUXC1 instructions during isel. It is incorrect
to map unaligned floating point load/store nodes to these instructions.

llvm-svn: 161063
 2012-07-31 18:16:49 +00:00
Akira Hatanaka
d1b2b96ed5 1. introduce MipsPat in place of Pat in order to exclude those from 
being used by Mips16 or Micro Mips
2. clean up a few lines too long encountered

Patch by Reed Kotler.

llvm-svn: 158470
 2012-06-14 21:03:23 +00:00
Akira Hatanaka
2a600ff5f4 This patch adds a predicate to existing mips32 and mips64 so that those 
instruction encodings can be excluded during mips16 processing.

This revision fixes the issue raised by Jim Grosbach.

bool hasStandardEncoding() const { return !inMips16Mode(); }

When micromips is added it will be

bool StandardEncoding() const { return !inMips16Mode()&&  !inMicroMipsMode(); }

No additional testing is needed other than to assure that there is no regression
from this patch.

Patch by Reed Kotler.

llvm-svn: 157234
 2012-05-22 03:10:09 +00:00
Akira Hatanaka
ecb1cd1ce4 Add disassembler to MIPS. 
Patch by Vladimir Medic. 

llvm-svn: 154935
 2012-04-17 18:03:21 +00:00
Akira Hatanaka
48dbb62cb1 Emit neg.s or neg.d only if -enable-no-nans-fp-math is supplied by user, 
otherwise expand FNEG during legalization.

llvm-svn: 154546
 2012-04-11 22:59:08 +00:00
Akira Hatanaka
11a442d515 Emit abs.s or abs.d only if -enable-no-nans-fp-math is supplied by user. 
Invalid operation is signaled if the operand of these instructions is NaN.

llvm-svn: 154545
 2012-04-11 22:49:04 +00:00
Akira Hatanaka
cecb440c11 Revert r153924. There were buildbot failures. 
llvm-svn: 153925
 2012-04-03 02:51:09 +00:00
Akira Hatanaka
058b0cfb55 MIPS disassembler support. 
Patch by Vladimir Medic.

llvm-svn: 153924
 2012-04-03 02:20:58 +00:00
Akira Hatanaka
75b06f4a49 Fix bugs which were introduced when support for base+index floating point loads 
and stores was added.

- SelectAddr should return false if Parent is an unaligned f32 load or store.
- Only aligned load and store nodes should be matched to select reg+imm
  floating point instructions.
- MIPS does not have support for f64 unaligned load or store instructions.

llvm-svn: 151843
 2012-03-01 22:12:30 +00:00
Jia Liu
bdcd314be3 remove blanks, and some code format 
llvm-svn: 151625
 2012-02-28 07:46:26 +00:00
Akira Hatanaka
0934449dd8 Add support for floating point base register + offset register addressing mode 
load and store instructions.

llvm-svn: 151611
 2012-02-28 02:55:02 +00:00
Akira Hatanaka
28521d25c9 Remove unnecessary template parameters. 
llvm-svn: 151540
 2012-02-27 19:17:53 +00:00
Akira Hatanaka
1e3ba02d8d Fix instruction predicates that were not set correctly. 
llvm-svn: 151538
 2012-02-27 19:09:08 +00:00
Akira Hatanaka
8fc9a35d3f Add definitions of floating point multiply add/sub and negative multiply 
add/sub instructions.

llvm-svn: 151415
 2012-02-25 00:21:52 +00:00
Akira Hatanaka
1593eafa1e Remove trailing whitespace. Add newline. 
llvm-svn: 150706
 2012-02-16 17:48:20 +00:00
Akira Hatanaka
12cdcf3bc6 Pattern for f32 to i64 conversion. 
llvm-svn: 148869
 2012-01-24 22:05:25 +00:00
Akira Hatanaka
36db890397 Various Mips64 floating point instruction patterns. 
llvm-svn: 144019
 2011-11-07 21:38:58 +00:00
Akira Hatanaka
cc6491001f Add definition of the base class for floating point comparison instructions 
and add Mips64's version too.

llvm-svn: 144018
 2011-11-07 21:37:33 +00:00
Akira Hatanaka
db8cbab444 Add definitions of 64-bit instructions which move data between integer and 
floating pointer registers.

llvm-svn: 144016
 2011-11-07 21:32:58 +00:00
Bruno Cardoso Lopes
edc2e30d42 Final patch that completes old JIT support for Mips: 
-Fix binary codes and rename operands in .td files so that automatically
generated function MipsCodeEmitter::getBinaryCodeForInstr gives correct
encoding for instructions.
-Define new class FMem for instructions that access memory.
-Define new class FFRGPR for instructions that move data between GPR and
FPU general and control registers.
-Define custom encoder methods for memory operands, and also for size
operands of ext and ins instructions.
-Only static relocation model is currently implemented.

Patch by Sasa Stankovic

llvm-svn: 142378
 2011-10-18 17:50:36 +00:00
Akira Hatanaka
e8cb50da87 Move class and instruction definitions for conditional moves to a seperate file. 
llvm-svn: 142220
 2011-10-17 18:43:19 +00:00
Akira Hatanaka
20808df5a0 Make changes necessary for supporting floating point load and store instructions 
that have 64-bit pointers or access the 32 x 64-bit floating pointer register
file. Update functions in MipsInstrInfo.cpp too.

llvm-svn: 141623
 2011-10-11 01:12:52 +00:00
Akira Hatanaka
4a78bb776f Simplify definition of FP move instructions. 
llvm-svn: 141476
 2011-10-08 03:50:18 +00:00
Akira Hatanaka
7780dcc74e Define classes and multiclasses for FP binary instructions. 
llvm-svn: 141475
 2011-10-08 03:38:41 +00:00
Akira Hatanaka
9595e84a11 Define multiclasses for FP-to-FP instructions. 
llvm-svn: 141474
 2011-10-08 03:29:22 +00:00
Akira Hatanaka
e39c39db4a Define classes for FP unary instructions and multiclasses for FP-to-fixed point 
conversion instructions. 

llvm-svn: 141473
 2011-10-08 03:19:38 +00:00