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* remove unneeded masks using getMaxBitsAlon Zakai (kripken)2017-02-164-26/+134
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* fix fuzz testcase, xor maxBits is the max, not the minAlon Zakai (kripken)2017-02-162-6/+36
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* handle fallthrough values in load_s/u and sign/zero-extend optimizationAlon Zakai (kripken)2017-02-164-48/+108
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* handle load in getMaxBitsAlon Zakai (kripken)2017-02-162-0/+58
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* handle tee_local in getMaxBitsAlon Zakai (kripken)2017-02-162-0/+42
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* optimize out a sign-ext into a store of the same sizeAlon Zakai (kripken)2017-02-162-0/+141
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* optimize out add/sub of 0Alon Zakai (kripken)2017-02-1611-106/+80
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* optimize sign-extends to a booleanAlon Zakai (kripken)2017-02-162-0/+27
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* optimize sign-extends to eqzAlon Zakai (kripken)2017-02-166-36/+35
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* optimize sign-extends to neAlon Zakai (kripken)2017-02-162-0/+77
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* Optimize "squared" operations (#905)Alon Zakai2017-02-1610-658/+591
| | | | * optimize 'almost' sign extends: when we can remove one entirely, then extra shifts can be left behind. with that in place, we can then optimize 'squared' operations like shl on shl, as doing so does not break our sign extend opts
* optimize linear sums (#904)Alon Zakai2017-02-166-92/+348
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* Optimize sign-extends (#902)Alon Zakai2017-02-166-143/+1117
| | | | | | * optimize sign-extend output * optimize sign-extend input
* add sqrt test (#912)Alon Zakai2017-02-165-1/+103
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* update wasm version to 0x01 (#913)Alon Zakai2017-02-162-0/+0
| | | | | | * update wasm version to 0x01, in prep for release, and since browsers are ready to accept it * update wasm.js
* Fix emitting of unreachable block/if/loop (#911)Alon Zakai2017-02-1625-2/+2062
| | | | | | | | | | | | | | | | | | | | | | * an unreachable block is one with an unreachable child, plus no breaks * document new difference between binaryen IR and wasm * fix relooper missing finalize * add a bunch of tests * don't assume that test/*.wast files print to themselves exactly; print to from.wast. this allows wast tests with comments in them * emit unreachable blocks as (block .. unreachable) unreachable * if without else and unreachable ifTrue is still not unreachable, it should be none * update wasm.js * cleanups * empty blocks have none type
* Optimize precise mode integer ops (#907)Alon Zakai2017-02-1612-32/+240
| | | | | | * improve precise integer operations: call into a wasm function to do the possibly-trapping div/rem, which handles the corner cases, instead of an ffi. also fix a bug in the existing parallel 64-bit code for this * remove no longer needed wasm.js-post.js file (it moved into emscripten repo)
* asm2wasm debuginfo (#895)Alon Zakai2017-02-077-0/+288
| | | | | | | | | | | | * parse file/line comments in asm.js into debug intrinsics * convert debug intrinsics into annotations, and print them * ignore --debuginfo if not emitting text, as wasm binaries don't support that yet * emit full debug info when -g and emitting text; when -g and emitting binary, all we can do is the Names section * update wasm.js
* Improve handling of implicit traps (#898)Alon Zakai2017-02-0611-102/+357
| | | | | | | | * add --ignore-implicit-traps option, and by default do not ignore them, to properly preserve semantics * implicit traps can be reordered, but are side effects and should not be removed * add testing for --ignore-implicit-traps
* code-pushing fix: we cannot push a set_local with side effects, as it may ↵Alon Zakai2017-01-262-8/+88
| | | | not execute any more (#890)
* Export memalign along with malloc and friends (#888)Derek Schuff2017-01-242-1/+26
| | | Emscripten's mmap2 syscall started using memalign instead of malloc with kripken/emscripten#4874, so we need to export that as well.
* fix bustage caused by conflict between last two landings (#886)Alon Zakai2017-01-192-2/+0
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* DCE even in -O0 (#884)Alon Zakai2017-01-198-68/+2
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* handle an unreachable param to an export in asm2wasm, which is ignorable (#885)Alon Zakai2017-01-195-0/+318
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* asm2wasm: when a switch is too big, create an if-else chain instead (#877)Alon Zakai2017-01-123-0/+300
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* add a dce at the end of asm2wasm, so it handles code changes from ↵Alon Zakai (kripken)2017-01-124-6/+0
| | | | intermediate optimization passes
* add a test showing unreachable code after a returnAlon Zakai (kripken)2017-01-125-0/+165
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* Merge pull request #865 from WebAssembly/fix-abAlon Zakai2017-01-102-0/+16
|\ | | | | Fix AngryBots parsing
| * handle a binary that breaks to returnAlon Zakai (kripken)2017-01-042-0/+16
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* | Merge pull request #863 from WebAssembly/linking-fixAlon Zakai2017-01-0531-31/+708
|\ \ | | | | | | Linking cleanups
| * | memoryBase and tableBase should not be mutable, as we need to use them in ↵Alon Zakai2016-12-305-0/+677
| | | | | | | | | | | | segment/element offsets
| * | emit globals before table and memory, because they may use a global for ↵Alon Zakai2016-12-3026-31/+31
| | | | | | | | | | | | their element/segment offsets
* | | Merge pull request #871 from WebAssembly/fix-c-api-unused-memAlon Zakai2017-01-052-0/+194
|\ \ \ | |_|/ |/| | Mark memory as existing when it is created in the C API
| * | mark memory as existing when it is created in the C APIAlon Zakai (kripken)2017-01-042-0/+194
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* / Handle stacky code (#868)Alon Zakai2017-01-042-0/+21
|/ | | | * handle stacky code in binaries, using a block+local
* properly legalize imported table elementsAlon Zakai2016-12-075-9/+81
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* fix legalization issues with f32sAlon Zakai2016-12-075-9/+81
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* verify we don't legalize table elementsAlon Zakai2016-12-075-4/+10
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* lower min and max in asm2wasm in wasm f*.min/maxAlon Zakai2016-12-073-0/+69
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* make legalizeJSInterface handle f32s as well, which are not valid in asm.js ffisAlon Zakai2016-12-079-25/+288
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* convert ftCall_* and mftCall_* into table callsAlon Zakai2016-12-075-1/+75
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* support asm.js numeric exports by creating a global and exporting thatAlon Zakai2016-12-075-1/+9
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* add a RemoveUnusedModuleElements pass, and make LegalizeJSInterface create ↵Alon Zakai2016-12-0720-288/+223
| | | | TempRet0 if needed (otherwise we might remove it before we use it)
* use tableBase for the table segmentsAlon Zakai2016-12-0716-16/+16
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* fix table import size when no maximum is providedAlon Zakai2016-12-076-0/+6
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* Update known test failures and waterfall revision (#854)jgravelle-google2016-12-018-18/+20
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* Handle importing globals in s2wasm (#843)jgravelle-google2016-11-302-0/+153
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | * Handle importing globals in s2wasm * Make importedGlobals a set of Names, make Names hashable * Revert "Make importedGlobals a set of Names, make Names hashable" This reverts commit 1d0ca7a5e3839b15ca60593330979864c9c3ed60. * Refactor relocation parsing to handle expressions directly * PR Feedback - Move comment where it belongs - Add comment about ownership to addRelocation - Remove do-nothing parseImportGlobal * Reword "imported globals" to "imported objects" - Flip isObjectImported to isObjectImplemented, for consistency * Add tests for s2wasm globals. Also implement import relocation expression handling * Simplify globals.s test * Fix memory leak of relocation * Use unique_ptr instead of delete in getRelocatableExpression
* Fix regression from #850 (#851)Alon Zakai2016-11-307-322/+556
| | | | | | * fix regression from #850 - it is not always safe to fold added offsets into load/store offsets, as the add wraps but offset does not * small refactoring to simplify asm2wasm pass invocation
* Optimize added factors into load/store offsets (#850)Alon Zakai2016-11-296-332/+476
| | | | | * optimize added factors into load/store offsets, removing the add * optimize offset of load/store of a constant into the constant
* increase limit in RelooperJumpThreading (#847)Alon Zakai2016-11-284-324/+324
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