Khan M Rashedun-Naby
0e5b97446a
As SWITCH..CASE is better than ELSE..IF
2018-07-02 15:42:30 +06:00
Nicolás Venturo
172e208c6a
Add TruthyAnd Peephole optimization
2018-06-15 11:27:39 -03:00
chriseth
fba7e055d9
Follow highest gas usage only for gas estimation.
2018-05-09 10:53:30 +02:00
chriseth
e681f4ee79
Merge pull request #4028 from ethereum/asm-tags-32bit
...
Restrict assembly tags to 32-bit
2018-05-02 17:34:13 +02:00
Alexander Arlt
f94b793472
Add virtual destructors on base classes.
2018-05-02 13:29:16 +02:00
Alex Beregszaszi
d569ad91e4
Restrict assembly tags to 32-bit
2018-04-30 18:47:57 +01:00
Alex Beregszaszi
3ac3018e1d
Ensure that subId and tag handling is correct on all compilers in AssemblyItem
2018-04-30 15:57:17 +01:00
Omar Boukli-Hacene
090f9995f2
Fix comment typos
2018-04-27 19:31:30 +04:00
Alexander Arlt
70fcf1a8e0
CMake: remove direct jsoncpp dependency in libevmasm
2018-04-20 20:37:26 +01:00
Alex Beregszaszi
38460d8b47
Remove unnecessary masking of the result of known short instructions
2018-04-19 23:59:06 +01:00
Alex Beregszaszi
cb352edd26
Add constant optimiser for SHR/SHL instructions
2018-04-09 20:07:44 +01:00
Alex Beregszaszi
02ea0e547f
Replace comparison operators with opposites if preceded by SWAP1
2018-04-04 17:47:58 +02:00
Alex Beregszaszi
17bcabb6cf
Remove useless SWAP1 in front of commutative operations
2018-04-03 18:57:07 +02:00
chriseth
6777f7a57f
Optimize across MLOAD if MSIZE is not used.
2018-04-03 14:34:32 +02:00
chriseth
6ec4517929
Use EVM version in gas meter and optimizer.
2018-03-05 11:36:33 +01:00
Alex Beregszaszi
afa4a48e37
Remove ROL/ROR as they are not part of EIP145 anymore
2018-02-27 13:42:41 +01:00
Alex Beregszaszi
59e6ea601b
Add bitwise shift operators to libevmasm (EIP145)
2018-02-27 12:03:18 +01:00
Alex Beregszaszi
037b97ef4a
Replace MOD with AND if constant is power of 2
2018-02-12 22:47:04 +00:00
chriseth
c961a3079d
Turn simplification rule tuple into struct.
2018-02-06 22:51:30 +01:00
chriseth
65c31ecaeb
Remove recursive call to simplify with reversed arguments.
...
(We now have explicit rules for that).
2018-02-06 22:51:30 +01:00
chriseth
295f8c07ad
Explicitly add reversed operands for commutative operations.
2018-02-06 22:51:30 +01:00
chriseth
9eea3f29ba
Expression simplifier.
2018-02-06 22:51:30 +01:00
chriseth
b8074cdf78
Add flag to indicate whether it can be applied to expressions with side-effects.
2018-02-06 22:51:30 +01:00
chriseth
491d6d3e0c
Move out the rule list.
2018-02-06 22:51:30 +01:00
chriseth
6807010dc7
Prevent libraries from being called.
2018-01-19 16:27:44 +01:00
chriseth
95cf9266ab
Movability.
2018-01-12 17:48:51 +01:00
Isaac van Bakel
83f326525e
Replaced solAssert in Jumpdest optimization
...
This is the only use of solAssert in libevmasm, and the only dependency
on libsolidity.
There is no justification for why the illegal state is checked here.
2017-11-25 21:51:27 +00:00
chriseth
7989fc4c35
Merge pull request #3077 from ethereum/optimze_pops
...
Assume peephole optimizer was successful if number of pops increased.
2017-10-16 22:11:45 +02:00
chriseth
f5e91e4a94
Throw on too many peephole optimizer iterations.
2017-10-16 18:45:21 +02:00
chriseth
082e7b6a9e
Allow `gas
` in view functions.
2017-10-16 13:28:44 +02:00
chriseth
7c94e5462a
Assume peephole optimizer was successful if number of pops increased.
2017-10-13 19:00:56 +02:00
Alex Beregszaszi
4d1c48eeee
Remove duplicate EVMSchedule
2017-10-03 11:59:53 +01:00
Alex Beregszaszi
43719839bf
Use isDup/SwapInstruction helper
2017-10-03 11:45:44 +01:00
Alex Beregszaszi
8a32d7c3d7
Add helpers for isPush/isDup/isSwap
2017-10-02 10:34:54 +01:00
Paweł Bylica
ffd440ccff
CMake: Cleanup include paths
2017-09-26 22:44:57 +02:00
Alex Beregszaszi
aad829948a
Ensure parameter names match between headers and implementation
2017-09-20 01:23:21 +01:00
chriseth
068a593d9c
Merge pull request #2922 from ethereum/asm-bytes-required
...
Properly calculate bytesRequired for subs
2017-09-18 16:38:02 +02:00
Alex Beregszaszi
20ffa1db43
Properly calculate bytesRequired for subs
2017-09-18 11:39:49 +01:00
Alex Beregszaszi
f4b87548c8
Add useful messages to exceptions in the assembler
2017-09-18 11:32:56 +01:00
chriseth
73771f5bb2
Named assembly labels.
2017-09-15 20:44:49 +01:00
chriseth
3f3bcc4f8a
Merge pull request #2848 from ethereum/checkViewPure
...
Enforce view and pure.
2017-09-13 18:29:13 +02:00
chriseth
66c01301fe
Rename to invalidInPureFunctions
2017-09-13 17:18:22 +02:00
Alex Beregszaszi
bbfb16cf5c
Introduce assemblyString
2017-09-11 15:53:20 +01:00
Alex Beregszaszi
50570c6c79
Do not return the stream in asssemblyStream
2017-09-11 15:48:58 +01:00
Alex Beregszaszi
a535a8b06e
Split out the JSON functionality from assembly.stream()
2017-09-11 15:48:52 +01:00
Alex Beregszaszi
55d2a459a9
Mark functions static in libevmasm
2017-09-11 15:15:02 +01:00
chriseth
15bdc48a73
Rename and add anonymous namespace.
2017-09-06 13:52:29 +02:00
chriseth
d6861d909c
Analyze assembly.
2017-09-06 13:52:29 +02:00
chriseth
7c61a6daf2
Add view/pure information about instructions.
2017-09-06 13:52:29 +02:00
chriseth
2d39a42d37
Merge pull request #2843 from ethereum/anonymous-cleanup
...
Move all file specific globals to anonymous namespace
2017-08-29 14:07:24 +02:00
Alex Beregszaszi
7fb4a64136
Move all file specific globals to anonymous namespace
2017-08-29 11:09:18 +01:00
gcolvin
7da86daa17
Reconcile EVM 1.5 instruction numbers with working draft EIP615
2017-08-28 23:27:13 +01:00
chriseth
6951a371ec
Cleanup of vector_ref.h
2017-08-25 19:36:48 +02:00
chriseth
82e4f6f604
Cleanup of FixedHash.h
2017-08-25 16:05:28 +02:00
chriseth
4b0e30d259
Cleanup of Common.h
2017-08-25 14:54:23 +02:00
Alex Beregszaszi
70e89a5dac
Introduce JumpdestRemover optimisation step
2017-08-25 10:42:36 +01:00
Alex Beregszaszi
3b07c4d38e
Merge pull request #2757 from ethereum/cmake
...
Static linking
2017-08-23 12:36:24 +01:00
chriseth
c5f11d938f
Merge pull request #2656 from ethereum/performance1
...
Avoid some Json copy operations.
2017-08-23 13:26:43 +02:00
Paweł Bylica
388fc983fa
CMake: Cleanup "local" include path
2017-08-22 22:50:25 +02:00
Alex Beregszaszi
f2d6226718
Some smaller issues found by Covertiy Scan
2017-08-22 13:55:28 +01:00
Alex Beregszaszi
f38429fef8
Switch stream properties back after temporary modification
2017-08-22 13:55:01 +01:00
Alex Beregszaszi
9897c56b2c
Mark a lot of functions static (where possible)
2017-08-22 10:51:46 +01:00
Alex Beregszaszi
2a5772cff7
Mark appropriate constructors explicit
2017-08-22 10:51:46 +01:00
Alex Beregszaszi
e2cfc9ee92
Mark a lot of functions const (where possible)
2017-08-22 10:51:46 +01:00
chriseth
e3f90565d8
Avoid some Json copy operations.
2017-08-21 16:28:30 +01:00
Paweł Bylica
63372e4a85
CMake: Simplify libevmasm config
2017-08-18 13:32:35 +02:00
Paweł Bylica
d1f4d110fb
CMake: Build static libs by default
2017-08-18 13:32:35 +02:00
Alex Beregszaszi
f9d5f7e497
Introduce fine-grained optimiser settings in libevmasm
2017-07-27 12:40:28 +01:00
chriseth
09e821619e
Refactor exceptions and provide comment function.
2017-07-13 11:34:03 +02:00
Alex Beregszaszi
32d6c1c316
MLOAD has side-effects, treat it like that in the optimiser
2017-06-30 21:27:39 +01:00
chriseth
168f64f4cb
Fix negative stack size checks.
2017-06-28 16:55:49 +01:00
Alex Beregszaszi
becea47ac3
Use assertThrow where possible
2017-06-22 11:25:06 +01:00
Alex Beregszaszi
bc95da354d
Replace obsolete assembly code in LLL
2017-06-21 21:23:39 +01:00
chriseth
57f79ebfa6
Remove debugbreak.
2017-06-20 19:21:29 +02:00
chriseth
fb5db94879
Merge pull request #2397 from ethereum/doublepush
...
Peephole optimizer for double push.
2017-06-15 10:50:07 +02:00
chriseth
3cb71ac516
Merge pull request #2398 from ethereum/assembly-cleanup
...
Remove obsolete features from libevmasm
2017-06-15 08:41:14 +02:00
chriseth
66881bd675
Merge branch 'develop' into asm-aux
2017-06-15 08:39:02 +02:00
Alex Beregszaszi
c08c4b8b6f
Move subroutine helpers from CompilerContext to Assembly
2017-06-14 21:21:26 +01:00
Alex Beregszaszi
6a260a9ff1
Remove single use Assembly::popTo
2017-06-14 21:21:26 +01:00
Alex Beregszaszi
18fc667658
Remove obsolete Assembly::out
2017-06-14 21:21:26 +01:00
Alex Beregszaszi
398099f50e
Remove obsolete errorTag()
2017-06-14 21:21:26 +01:00
Alex Beregszaszi
585b3ea3e3
Print auxiliary data in the assembly
2017-06-14 20:14:15 +01:00
Alex Beregszaszi
3273e865ec
Print assembly even if there's no data section
2017-06-14 19:51:02 +01:00
chriseth
e5b0ad562e
Peephole optimizer for double push.
2017-06-14 20:02:45 +02:00
Dimitry
c20cdd0a05
add new opcode instructions to the parser
...
STATICCALL 0xfa 6 inputs (gas address mem1 mem2 mem3 mem4)
2017-06-14 18:18:12 +02:00
Alex Beregszaszi
bec30051c5
Introduce CREATE2 in the assembler
2017-06-14 16:00:39 +02:00
Yoichi Hirai
9ff3064d03
Mention RETURNDATACOPY in GasMeter and SemanticInformation
2017-06-13 16:57:07 +02:00
Yoichi Hirai
0b22154a75
libevmasm: add RETURNDATACOPY and RETURNDATASIZE
2017-06-13 16:57:02 +02:00
chriseth
97cc968a13
Initial EVM1.5 assembly implementation.
2017-06-08 15:52:44 +02:00
Alex Beregszaszi
0c8beac357
Rename the SHA3 assembly instruction to KECCAK256
2017-05-30 10:54:29 +01:00
Alex Beregszaszi
af3a4b0642
Add simplification rule for SDIV(0,X) and SDIV(X,0)
2017-05-19 17:49:20 +01:00
Alex Beregszaszi
dc8eb3d846
Cleanup simplification rules
2017-05-19 17:49:20 +01:00
chriseth
b976d53e87
Add parentheses for readability.
2017-05-02 16:56:12 +02:00
chriseth
5c4f3f6d0b
Fix number representation bug.
2017-05-02 12:22:11 +02:00
Alex Beregszaszi
0e91b8fb98
Do not use the member in checkRepresentation
2017-04-27 14:06:58 +01:00
chriseth
c1e14d0119
Use OptimizerException to report error
2017-04-27 14:06:29 +01:00
chriseth
54210ea89f
Add recomputation check for number representation.
2017-04-27 14:06:28 +01:00
Yoichi Hirai
5176784b18
libevmasm: fix sloadGas in another file
2017-04-25 16:47:43 +02:00
Yoichi Hirai
362813f0d6
libevmasm: add a break
2017-04-25 16:47:43 +02:00
Yoichi Hirai
56e4b82696
libevmasm: reflect EIP 160 gas schedule change
2017-04-25 16:14:58 +02:00
Yoichi Hirai
4e24639e39
libevmasm: EIP150.c gas change
2017-04-25 16:14:58 +02:00
Yoichi Hirai
e54a3ead16
libevmasm: EIP150.a changes on SLOAD, CALL, CALLCODE, DELEGATECALL and SUICIDE
2017-04-25 16:14:58 +02:00
Yoichi Hirai
f2775f82d0
libevmadm: EIP150.a changes on EXTCODE, EXTCODESIZE and BALANCE
2017-04-25 16:14:58 +02:00
chriseth
8ebea783f4
Initialize local variables.
2017-04-12 16:30:27 +02:00
chriseth
4d715e9055
Implement missing assembly output functions and do not use PushString for assembly.
2017-04-11 19:54:44 +02:00
chriseth
ddc4918f36
Add upper bound for computing constants.
2017-03-03 16:51:37 +01:00
chriseth
46d3c2dd3d
Print source location before items.
2017-02-24 08:24:34 +01:00
Alex Beregszaszi
148f923351
Add REVERT to libevmasm
2017-02-10 22:40:12 +00:00
Alex Beregszaszi
693226b1ab
Rename SUICIDE opcode to SELFDESTRUCT in libevmasm
2017-02-06 20:17:52 +00:00
Alex Beregszaszi
7ec3dd9bbc
More verbose log of when using invalid instructions
2017-02-02 11:39:29 +00:00
chriseth
ae2b59d18a
Fix optimizer with regards to INVALID instruction.
2017-01-26 16:39:07 +01:00
chriseth
c2b3d8bcd2
Change code for INVALID opcode to 0xfe.
2017-01-26 16:39:07 +01:00
Valentin Wüstholz
9bcbd93ac5
Change translation of implicit throws (issue #1589 ).
...
This adds a new invalid instruction that is used for encoding
implicit throws that are emitted by the compiler. This makes it
possible to distinguish such runtime errors from user-provided,
explicit throws.
2017-01-26 16:39:07 +01:00
chriseth
997f5d751a
Create functional assembly output, if possible.
2017-01-24 01:09:55 +01:00
chriseth
4713dd625d
Fix error tag usage in lll.
2017-01-23 15:46:03 +01:00
chriseth
7c18b785e3
Merge pull request #1584 from ethereum/tier
...
libevmasm: remove duplicate `Tier` from `Tier::xTier`s
2017-01-18 19:28:37 +01:00
chriseth
d3a391c136
Provide fallback for linking.
2017-01-18 17:41:36 +01:00
Yoichi Hirai
821997a1d3
libevmasm: remove duplicate Tier
from Tier::xTier
s
...
Synchronize with cpp-ethereum
2017-01-18 17:24:39 +01:00
Yoichi Hirai
20c62a132d
Make enum Tier into an enum class
2017-01-13 13:19:14 +01:00
chriseth
3cfa851f6f
Minor changes from review.
2017-01-12 17:53:06 +01:00
chriseth
d34b561f68
Windows build fix.
2017-01-12 17:52:27 +01:00
chriseth
58509ca3aa
Fix match groups.
2017-01-12 17:52:27 +01:00
chriseth
7127f2fdfd
Fix debug output.
2017-01-12 17:52:27 +01:00
chriseth
da5e171f3b
Optimize constant optimization.
2017-01-12 17:52:27 +01:00
chriseth
f1a4976ce6
Optimise simplification rules (sort into bins).
2017-01-12 17:52:26 +01:00
chriseth
652d8dab19
Optimize pattern matcher.
2017-01-12 17:52:26 +01:00
chriseth
afad40ac5a
Optimise AssemblyItem::m_data.
2017-01-12 17:52:26 +01:00
chriseth
49ac2a1ee5
Rename programSize to bytecodeSize.
2017-01-03 14:13:49 +01:00
chriseth
a285ca44f2
Assembly output for Assembly object.
2017-01-03 14:13:49 +01:00
Yoichi Hirai
2d60990238
libevmasm: OpPop() optimization keeps the source location
...
fixes #1521
2016-12-30 13:52:38 +01:00
chriseth
1e35526eb6
Fix tests.
2016-12-01 16:03:59 +01:00
chriseth
91ecc4533d
Add swarm hash to the end of the bytecode.
2016-12-01 16:03:59 +01:00
Yoichi Hirai
77bad18648
libevmasm: remove an unused variable total
2016-12-01 11:31:58 +01:00
Yoichi Hirai
df4b405f9c
Add more optimization rules
2016-11-30 11:16:43 +00:00
Alex Beregszaszi
3fdef92911
Replace XOR with self with 0
2016-11-30 11:16:43 +00:00
Alex Beregszaszi
b8bba66220
Replace XOR/ISZERO with EQ
2016-11-30 11:16:43 +00:00
Alex Beregszaszi
25160bfc26
Add optimiser rule for SUB with 0
2016-11-30 11:16:43 +00:00
chriseth
f521624952
Integrate AddPop.
2016-11-25 16:10:57 +01:00
chriseth
612c1726d9
Templatize.
2016-11-25 16:10:02 +01:00
chriseth
f2872bfa99
Peephole optimizer for unreacheable code.
2016-11-25 16:10:02 +01:00
Yoichi Hirai
b6ffb6c8b7
libevmasm: generalize ADDPOP optimization into ADDMODPOP etc
2016-11-24 18:22:22 +01:00
Yoichi Hirai
c0fe5fbe9b
libevmasm: Add another peephole optimization
2016-11-24 18:22:22 +01:00
VoR0220
3f9f725737
Fix licensing headers
...
Signed-off-by: VoR0220 <rj@erisindustries.com>
2016-11-23 12:22:33 +01:00
chriseth
7fb7d5ae39
Optimizer: Clear state for JUMPDESTs.
2016-11-22 14:58:24 +01:00
chriseth
2c14a96820
Some more assertions and style changes.
2016-11-16 15:09:01 +01:00
chriseth
ec31d08775
Change encoding to address-funid and add "function" as ABI type.
2016-11-16 14:37:19 +01:00
chriseth
cb000a5532
Fix setting the tag.
2016-11-16 14:37:19 +01:00
chriseth
390ba085b6
fixup! Simple peephole optimizer that is activated even if not requested.
2016-11-16 14:37:19 +01:00
chriseth
0335ed4cb4
Simple peephole optimizer that is activated even if not requested.
2016-11-16 14:37:19 +01:00
chriseth
e51f852504
Converted sub assembly to smart pointer.
2016-11-16 14:37:18 +01:00