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295 Commits

Author SHA1 Message Date
Alex Beregszaszi
fd936439a4 Add more optimisation rules for shifts 2019-02-20 11:59:15 +00:00
Daniel Kirchner
809b9a95f9 Even more style checks. 2019-02-14 11:53:00 +01:00
Alex Beregszaszi
6b11be8c69 Mark apropriate methods protected in ConstantOptimiser 2019-02-05 19:40:34 +00:00
Alex Beregszaszi
ae1cd252b0 Take only Assembly instance as an input to ConstantOptimiser 2019-01-31 16:02:29 +00:00
Alex Beregszaszi
4aa2d965dc Remove once-off helper in ConstantOptimiser 
For clarity. Makes code easier to understand.
 2019-01-28 15:44:44 +00:00
Alex Beregszaszi
9d52325b29 Move ConstantOptimiser constructor to header 2019-01-28 11:20:46 +00:00
Daniel Kirchner
870b656eda Split up rule list generation further to prevent issues in browsers with the emscripten build. 2019-01-18 17:02:47 +01:00
chriseth
ef59f35a14
Merge pull request #5693 from ethereum/assemblyitem 
Use explicit break and do not coerce 0 into bool in AssemblyItem
 2018-12-19 15:14:49 +01:00
Alex Beregszaszi
517beb6fa6 Use explicit break and do not coerce 0 into bool in AssemblyItem 2018-12-19 12:35:00 +00:00
Christian Parpart
62fe57479e
make use of C++ = default constructor declarations as well as more non-static member initialization syntax. 2018-12-19 11:26:42 +01:00
chriseth
27e4e25a99 Optimize some instruction comparisons. 2018-12-18 17:25:49 +01:00
chriseth
01249984f2 Provide comparison shortcut. 2018-12-18 16:10:14 +01:00
chriseth
18efbb52c0 Use the move. 2018-12-18 16:10:14 +01:00
chriseth
68ad015714 Make swappable instructions static. 2018-12-18 12:39:24 +01:00
Daniel Kirchner
2353f73c39 Add headers to targets in CMakeLists.txt. 2018-12-17 15:01:02 +01:00
Mathias Baumann
cb935fe908 Use curly-brackets initialization 2018-12-10 19:03:47 +01:00
Mathias Baumann
2f6dc2e773 Replace push_back with emplace_back where it makes sense 2018-12-10 19:02:39 +01:00
chriseth
bc6ddbdd09 Remove w parameter for toHex. 2018-12-05 22:51:49 +01:00
Christian Parpart
c48a5264be
liblangutil: SourceLocation: adds (shared) pointer to underlying CharStream source, eliminating sourceName 
Also, adapted affecting code to those changes.
 2018-11-30 17:07:12 +01:00
chriseth
fb2e471d00 Fix nondeterminism bug related to boost version. 2018-11-27 16:00:22 +01:00
Christian Parpart
cdd8c72c9d CMake: Explicitly state which files to compile instead of relying on globbing. 
Also remove header file lists, as there is no need to add them to
add_library() or add_executable(), which should lower maintenance of the cmake files.
 2018-11-26 14:39:24 +01:00
chriseth
2e861bf1a0
Merge pull request #5472 from ethereum/assemblyAnnotationOutput 
Jumps with annotations cannot be functional.
 2018-11-23 17:02:03 +01:00
Christian Parpart
d67322a186 Introduce namespace langutil in liblangutil directory. 
Also:
- Use {}-style list initialisation for SourceLocation construction
- Introduce new system includes
- Changes the API of the Scanner to take source as value (with move) as opposed to as a reference
 2018-11-21 19:13:44 +00:00
Christian Parpart
87821c53c3 Isolating files shared between Yul- and Solidity language frontend. 2018-11-21 18:58:12 +00:00
chriseth
82055cbb61 Jumps with annotations cannot be functional. 2018-11-21 19:28:41 +01:00
mordax
ea8b7d803e Removing redundant virtual from override function declaration 
Remove trailing whitespace

Remove changelog change
 2018-11-21 14:37:32 +00:00
chriseth
6bbedab383
Merge pull request #5265 from ethereum/cleanupsha3 
Simplify sha3.
 2018-11-09 15:39:57 +01:00
Christian Parpart
ab0de38f16
Eliminate byte-typedef and use uint8_t in all their places instead. 
This change is made to (easily) be forward compatible with future C++
standards, in order to allow compiling the code with newer standards at
some point in the future.

* Removed the `using byte = uint8_t;` line from Common.h
* Mechanically change all uses of `byte` to `uint8_t`.

Tested with GCC 7.3 in C++11/14/17 modes :-)
 2018-11-07 12:17:57 +01:00
chriseth
e78b95d9d4 Renamed SHA3.{h,cpp} files. 2018-10-18 14:31:36 +02:00
chriseth
26c693aa92 Change library placeholder to __$<hash>$__. 2018-10-12 15:15:02 +02:00
chriseth
4d6d224cf8 Prefix "0x" to library placeholder. 2018-10-12 15:15:01 +02:00
chriseth
6daeb39ecc Use hash for library placeholders. 2018-10-12 15:15:01 +02:00
chriseth
d76bfcd935 Fix typos. 2018-10-04 13:28:16 +02:00
chriseth
7609710d4f
Merge pull request #5110 from codemascot/libevmasm/Assembly.cpp 
Use 'switch' instead of 'else if'
 2018-10-02 13:18:22 +02:00
Khan M Rashedun-Naby
14738d05e4 Use 'switch' instead of 'else if' 2018-09-27 17:46:53 +06:00
Alex Beregszaszi
6a1e79a8e3 Set the price of EXTCODEHASH properly 2018-09-26 16:11:02 +01:00
Jared Wasinger
c6bd2979b1 Add assembly support for EXTCODEHASH (EIP-1052) 2018-09-26 16:11:02 +01:00
Alex Beregszaszi
410d94c498
Merge pull request #5089 from ethereum/gasmeter 
Small pathgasmeter cleanups
 2018-09-26 15:16:38 +01:00
chriseth
2c860b7d74
Merge pull request #5094 from ethereum/evmasm-grouping 
Group LLL only assembly features in libevmasm
 2018-09-26 15:51:20 +02:00
Alex Beregszaszi
d7c3f197c4 Some cleanups in GasMeter 2018-09-26 14:25:40 +01:00
Alex Beregszaszi
d64be90497 Add PathGasMeter.estimateMax helper 2018-09-26 14:25:40 +01:00
Alex Beregszaszi
9be058eb70 Add explanation to GasMeter::dataGas 2018-09-26 14:25:40 +01:00
Alex Beregszaszi
913ddf158f Group LLL only assembly features in libevmasm 2018-09-26 12:46:03 +01:00
Alex Beregszaszi
535026b492 Group append() functions in libevmasm 2018-09-26 11:14:40 +01:00
Alex Beregszaszi
21beba76e2 Add helpers for the LOG instruction 2018-09-25 20:39:35 +01:00
Alex Beregszaszi
0db76a01da CREATE2 opcode has been moved from 0xfb to 0xf5 2018-09-18 23:04:57 +01:00
Alex Beregszaszi
c42dfc5b10
Merge pull request #4967 from ethereum/const-opt-cost 
Move dataGas calculation helper to GasMeter
 2018-09-18 15:46:15 +01:00
Alex Beregszaszi
0b68d093b4 Move dataGas calculation helper to GasMeter 2018-09-18 14:47:53 +01:00
Daniel Kirchner
a1d73a7bef Split simplification rules into two functions. 2018-09-18 14:28:21 +02:00
Alex Beregszaszi
0b6a26f854 Calculate the dataGas correctly in the constant optimiser 
This may cause a wrong decision about cost (and as a result choosing the least efficient code),
but will not cause any miscompilation or invalid output.
 2018-08-14 17:45:43 +02:00
Leonardo Alt
17cac588d0 Replace safety stop by invalid 2018-08-14 12:32:47 +02:00
chriseth
7d9692c31d Explicitly use std::next to avoid boost version. 2018-08-09 01:12:55 +02:00
Alex Beregszaszi
d3c3fd2079 Use dev::toString() in Assembly instead of misusing string{} for u256 2018-08-08 20:52:19 +01:00
Leo Arias
c4a3c48aea
Fix typo 2018-08-07 13:35:15 -06:00
Augusto F. Hack
6c3b48ddfc Added guards for unknown pragmas 
Removed push/pop if there was no change to the warnings *in the same
file* for a given compiler. This assumes the imported boost headers use
a warning stack themselves.

The pragmas don't seem to be required anymore, but were not removed to
mantain compatibility with older versions of the boost library.

Compiled with
- clang version 6.0.1 (tags/RELEASE_601/final)
- gcc (GCC) 8.1.1 20180531
 against:
- libboost 1.67.0-5
 2018-08-05 19:21:33 -03:00
Christian Parpart
fb4857abed evmasm/Instruction: fixes undefined behavior of advancing iterator beyond the end of a container. 
Usually the STL doesn't check whether or not the developer advances beyond its container's end, but MSVC does (found out by running soltest in debug mode on Win32 / VS2017).
 2018-08-02 19:53:46 +02:00
chriseth
28ac3f0a6c
Merge pull request #4473 from ethereum/fixGasTuple 
Fix comparison operator for GasConsumption.
 2018-07-11 11:55:19 +02:00
Cryptomental
140dbfdbd8 Code, Changelog, ReleaseChecklist: Fix typos. 
Refs: #4442
 2018-07-11 00:26:23 +02:00
chriseth
1fed3519e1 Fix comparison operator for GasConsumption. 2018-07-10 21:36:47 +02:00
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