[webkit-changes] [WebKit/WebKit] 5ee068: [JSC][WASM] Add support for WebAssembly tail calls.
Tom Olivier Tartarin
noreply at github.com
Fri Dec 16 11:29:41 PST 2022
Branch: refs/heads/main
Home: https://github.com/WebKit/WebKit
Commit: 5ee0680f666939490e0bb03f07ba1ce6088609ec
https://github.com/WebKit/WebKit/commit/5ee0680f666939490e0bb03f07ba1ce6088609ec
Author: Tom Tartarin <tom at leaningtech.com>
Date: 2022-12-16 (Fri, 16 Dec 2022)
Changed paths:
M JSTests/wasm.yaml
A JSTests/wasm/tail-call-spec-harness.js
A JSTests/wasm/tail-call-spec-harness/async_index.js
A JSTests/wasm/tail-call-spec-harness/sync_index.js
A JSTests/wasm/tail-call-spec-harness/wasm-constants.js
A JSTests/wasm/tail-call-spec-harness/wasm-module-builder.js
A JSTests/wasm/tail-call-spec-harness/wast.js
A JSTests/wasm/tail-call-spec-tests/tail_call.wast
A JSTests/wasm/tail-call-spec-tests/tail_call.wast.js
A JSTests/wasm/tail-call-spec-tests/tail_call_indirect.wast
A JSTests/wasm/tail-call-spec-tests/tail_call_indirect.wast.js
A JSTests/wasm/tail-call/tail-call.js
M JSTests/wasm/wasm.json
M Source/JavaScriptCore/assembler/MacroAssemblerARM64.h
M Source/JavaScriptCore/assembler/MacroAssemblerARMv7.h
M Source/JavaScriptCore/assembler/MacroAssemblerRISCV64.h
M Source/JavaScriptCore/assembler/MacroAssemblerX86_64.h
M Source/JavaScriptCore/b3/air/AirCode.cpp
M Source/JavaScriptCore/bytecode/BytecodeList.rb
M Source/JavaScriptCore/jit/AssemblyHelpers.cpp
M Source/JavaScriptCore/jit/AssemblyHelpers.h
M Source/JavaScriptCore/llint/LowLevelInterpreter.asm
M Source/JavaScriptCore/llint/WebAssembly.asm
M Source/JavaScriptCore/runtime/OptionsList.h
M Source/JavaScriptCore/wasm/WasmAirIRGenerator32_64.cpp
M Source/JavaScriptCore/wasm/WasmAirIRGenerator64.cpp
M Source/JavaScriptCore/wasm/WasmAirIRGeneratorBase.h
M Source/JavaScriptCore/wasm/WasmB3IRGenerator.cpp
M Source/JavaScriptCore/wasm/WasmCallingConvention.h
M Source/JavaScriptCore/wasm/WasmFunctionCodeBlockGenerator.cpp
M Source/JavaScriptCore/wasm/WasmFunctionCodeBlockGenerator.h
M Source/JavaScriptCore/wasm/WasmFunctionParser.h
M Source/JavaScriptCore/wasm/WasmIRGeneratorHelpers.h
M Source/JavaScriptCore/wasm/WasmLLIntGenerator.cpp
M Source/JavaScriptCore/wasm/WasmLLIntPlan.cpp
M Source/JavaScriptCore/wasm/WasmLLIntPlan.h
M Source/JavaScriptCore/wasm/WasmModuleInformation.h
M Source/JavaScriptCore/wasm/WasmSlowPaths.cpp
M Source/JavaScriptCore/wasm/WasmSlowPaths.h
M Source/JavaScriptCore/wasm/js/JSToWasm.cpp
M Source/JavaScriptCore/wasm/js/WebAssemblyFunction.cpp
M Source/JavaScriptCore/wasm/wasm.json
M Tools/Scripts/run-jsc-stress-tests
Log Message:
-----------
[JSC][WASM] Add support for WebAssembly tail calls.
https://bugs.webkit.org/show_bug.cgi?id=215275
Reviewed by Justin Michaud.
Add tail_call and tail_call_indirect instructions.
When a call is performed in tail position, the previous frame
will be reused to store the callee's stack values.
Note:
* The calling convention now defines the first return value
at offset stackPointer + headerSize + stackSize - numberOfReturnValues,
instead of stackPointer + headerSize.
This allows return values to preserve their offsets even if the stack size
changes when the frame is reused.
* Tail calls are stubbed in 32-bit BBQ on arm platforms for now.
Example:
Assuming everything is passed on the stack:
With the new changes, if A calls B(10, 5) tail calls C(20, 5),
A will collect C's return values at the same offsets
as if it had called B.
* JSTests/wasm.yaml:
* JSTests/wasm/return-call-spec-harness.js: Added.
(import.string_appeared_here.then):
(test):
(promise_test):
(let.assert_unreached):
(let.console.log):
* JSTests/wasm/return-call-spec-harness/async_index.js: Added.
(let.testNum):
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(reinitializeRegistry):
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(get const):
* JSTests/wasm/return-call-spec-harness/sync_index.js: Added.
(let.testNum):
(assertThrows):
(_assert):
(ValueResult):
(ErrorResult):
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* JSTests/wasm/return-call-spec-harness/wasm-constants.js: Added.
(hostref):
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* JSTests/wasm/return-call-spec-harness/wasm-module-builder.js: Added.
(Binary.prototype.emit_u8):
(Binary.prototype.emit_u16):
(Binary.prototype.emit_u32):
(Binary.prototype.emit_u32v):
(Binary.prototype.emit_bytes):
(Binary.prototype.emit_string):
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(WasmGlobalBuilder):
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(WasmModuleBuilder.prototype.stringToBytes):
(WasmModuleBuilder.prototype.addCustomSection):
(WasmModuleBuilder.prototype.addType):
(WasmModuleBuilder.prototype.addGlobal):
(WasmModuleBuilder.prototype.addFunction):
(WasmModuleBuilder.prototype.addImport):
(WasmModuleBuilder.prototype.addImportedGlobal):
(WasmModuleBuilder.prototype.addImportedMemory):
(WasmModuleBuilder.prototype.addImportedTable):
(WasmModuleBuilder.prototype.addExport):
(WasmModuleBuilder.prototype.addExportOfKind):
(WasmModuleBuilder.prototype.addDataSegment):
(WasmModuleBuilder.prototype.exportMemoryAs):
(WasmModuleBuilder.prototype.addFunctionTableInit):
(WasmModuleBuilder.prototype.appendToTable):
(WasmModuleBuilder.prototype.setFunctionTableLength):
(WasmModuleBuilder.prototype.toArray):
(WasmModuleBuilder.prototype.toBuffer):
(WasmModuleBuilder.prototype.instantiate):
* JSTests/wasm/return-call-spec-harness/wast.js: Added.
(normalize):
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(set_mark_tags):
(get_mark_tags):
(set_tags):
(compute_tag):
(output_formatting_lit):
(kfprintf):
(ikfprintf):
(fprintf):
(ifprintf):
(printf):
(eprintf):
(k.prime):
(ksprintf):
(sprintf):
(asprintf.k.prime):
(asprintf):
(k):
(bprintf):
(succ):
(pred):
(abs):
(lognot):
(Make.cmp_u):
(Make.divrem_u):
(Make.div_s):
(Make.div_u):
(Make.rem_s):
(Make.rem_u):
(Make.shift):
(Make.shl):
(Make.shr_s):
(Make.shr_u):
(Make.clamp_rotate_count):
(Make.rotl):
(Make.rotr):
(Make.loop):
(Make.clz):
(Make.ctz):
(Make.popcnt):
(Make.eqz):
(Make.lt_u):
(Make.le_u):
(Make.gt_u):
(Make.ge_u):
(Make.of_int_u):
(Make.to_string_u):
(Make.require):
(Make.dec_digit):
(Make.hex_digit):
(Make.parse_int):
(Make.of_string_s):
(Make.of_string_u):
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(text):
(intop):
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(numop):
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(ext):
(token.else.switch):
(token.else.switch.):
(token):
(__ocaml_lex_comment_rec):
(engine):
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(from_function):
(from_channel):
(from_string):
(lexeme):
(sub_lexeme):
(sub_lexeme_opt):
(sub_lexeme_char):
(sub_lexeme_char_opt):
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(lexeme_start_p):
(lexeme_end_p):
(new_line):
(flush_input):
(take):
(drop):
(last):
(split_last):
(index_of):
(index_of_int32):
(dim):
(set 1):
(get 2):
(log2):
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(loop):
(breakup):
(hd):
(tl):
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(rev):
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(remove_assq):
(find):
(find_all):
(partition):
(split):
(combine):
(chop):
(rev_sort):
(sort_uniq):
(Make.height):
(Make.create):
(Make.singleton):
(Make.bal):
(Make.is_empty):
(Make.find):
(Make.mem):
(Make.min_binding):
(Make.max_binding):
(Make.remove_min_binding):
(Make.remove):
(Make.iter):
(Make.map):
(Make.mapi):
(Make.fold):
(Make.for_all):
(Make.exists):
(Make.add_min_binding):
(Make.add_max_binding):
(Make.join):
(Make.concat):
(Make.concat_or_join):
(Make.split):
(Make.merge):
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(Make.compare):
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(set_double_field):
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(type_of):
(default_value):
(value_of_bool):
(string_of_values):
(to_value):
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(g):
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* JSTests/wasm/return-call-spec-tests/return_call.wast: Added.
* JSTests/wasm/return-call-spec-tests/return_call.wast.js: Added.
* JSTests/wasm/return-call-spec-tests/return_call_indirect.wast: Added.
* JSTests/wasm/return-call-spec-tests/return_call_indirect.wast.js: Added.
* JSTests/wasm/return-call/return-call.js: Added.
(TypeGenerator):
(TypeGenerator.prototype.get return):
(TypeGenerator.prototype.jsArgFromWasmType):
(TypeGenerator.prototype.builderLoadFromWasmType):
(TypeGenerator.prototype.jsArgFromWasmSignature):
(TypeGenerator.prototype.jsArgsFromWasmParams):
(TypeGenerator.prototype.builderTypeFromWasmType):
(const.createBuilder):
(const.createImports):
(const.createExports):
(const.createCode):
(const.createTypes):
(const.createCaller):
(const.defaultTailFunctor):
(const.createTailFunction):
(const.populateStack):
(const.tryTailCall):
(const.tryTailCallIndirect):
(const.commitFunction):
(const.registerCallSite):
(const.dumpFunctionHeader):
(const.dumpBacktrace):
(const.addCalls):
(const.addDepth):
(const.compare):
(const.testWithinModule):
(const.testAcrossModules):
(const.testExceptions):
(const.testJSImport):
* JSTests/wasm/wasm.json:
* Source/JavaScriptCore/assembler/MacroAssemblerARM64.h:
(JSC::MacroAssemblerARM64::threadSafePatchableNearTailCall):
* Source/JavaScriptCore/assembler/MacroAssemblerARMv7.h:
(JSC::MacroAssemblerARMv7::threadSafePatchableNearTailCall):
* Source/JavaScriptCore/assembler/MacroAssemblerRISCV64.h:
(JSC::MacroAssemblerRISCV64::threadSafePatchableNearTailCall):
* Source/JavaScriptCore/assembler/MacroAssemblerX86_64.h:
(JSC::MacroAssemblerX86_64::threadSafePatchableNearTailCall):
* Source/JavaScriptCore/bytecode/BytecodeList.rb:
* Source/JavaScriptCore/jit/AssemblyHelpers.cpp:
(JSC::AssemblyHelpers::emitRestore):
* Source/JavaScriptCore/jit/AssemblyHelpers.h:
* Source/JavaScriptCore/llint/LowLevelInterpreter.asm:
* Source/JavaScriptCore/llint/WebAssembly.asm:
* Source/JavaScriptCore/runtime/OptionsList.h:
* Source/JavaScriptCore/wasm/WasmAirIRGenerator.cpp:
(JSC::Wasm::AirIRGenerator::emitCallPatchpoint):
(JSC::Wasm::AirIRGenerator::emitTailCallPatchpoint):
(JSC::Wasm::AirIRGenerator::addCall):
(JSC::Wasm::AirIRGenerator::addCallIndirect):
(JSC::Wasm::AirIRGenerator::emitIndirectCall):
* Source/JavaScriptCore/wasm/WasmB3IRGenerator.cpp:
(JSC::Wasm::B3IRGenerator::emitIndirectCall):
(JSC::Wasm::B3IRGenerator::createCallPatchpoint):
(JSC::Wasm::B3IRGenerator::createTailCallPatchpoint):
(JSC::Wasm::B3IRGenerator::addCall):
(JSC::Wasm::B3IRGenerator::addCallIndirect):
* Source/JavaScriptCore/wasm/WasmCallingConvention.h:
(JSC::Wasm::WasmCallingConvention::numberOfStackResults const):
(JSC::Wasm::WasmCallingConvention::numberOfStackArguments const):
(JSC::Wasm::WasmCallingConvention::callInformationFor const):
* Source/JavaScriptCore/wasm/WasmFunctionCodeBlockGenerator.cpp:
(JSC::Wasm::FunctionCodeBlockGenerator::setTailCall):
* Source/JavaScriptCore/wasm/WasmFunctionCodeBlockGenerator.h:
(JSC::Wasm::FunctionCodeBlockGenerator::tailCallTargets const):
(JSC::Wasm::FunctionCodeBlockGenerator::isTailCallToImport const):
(JSC::Wasm::FunctionCodeBlockGenerator::setTailCallToImport):
* Source/JavaScriptCore/wasm/WasmFunctionParser.h:
(JSC::Wasm::FunctionParser<Context>::parseExpression):
(JSC::Wasm::FunctionParser<Context>::parseUnreachableExpression):
* Source/JavaScriptCore/wasm/WasmIRGeneratorHelpers.h:
(JSC::Wasm::prepareForTailCall):
* Source/JavaScriptCore/wasm/WasmLLIntGenerator.cpp:
(JSC::Wasm::LLIntGenerator::callInformationForCaller):
(JSC::Wasm::LLIntGenerator::callInformationForCallee):
(JSC::Wasm::LLIntGenerator::addCall):
(JSC::Wasm::LLIntGenerator::addCallIndirect):
* Source/JavaScriptCore/wasm/WasmLLIntPlan.cpp:
(JSC::Wasm::LLIntPlan::compileFunction):
(JSC::Wasm::LLIntPlan::didCompleteCompilation):
(JSC::Wasm::LLIntPlan::addTailCallEdge):
(JSC::Wasm::LLIntPlan::computeTransitiveTailCallsToImport const):
* Source/JavaScriptCore/wasm/WasmLLIntPlan.h:
* Source/JavaScriptCore/wasm/WasmModuleInformation.h:
(JSC::Wasm::ModuleInformation::tailCallsToImport const):
(JSC::Wasm::ModuleInformation::callCanClobberInstance const):
(JSC::Wasm::ModuleInformation::addTailCallToImport):
* Source/JavaScriptCore/wasm/WasmSlowPaths.cpp:
(JSC::LLInt::WASM_SLOW_PATH_DECL):
* Source/JavaScriptCore/wasm/WasmSlowPaths.h:
* Source/JavaScriptCore/wasm/js/JSToWasm.cpp:
(JSC::Wasm::createJSToWasmWrapper):
* Source/JavaScriptCore/wasm/js/WebAssemblyFunction.cpp:
(JSC::WebAssemblyFunction::jsCallEntrypointSlow):
* Source/JavaScriptCore/wasm/wasm.json:
* Tools/Scripts/run-jsc-stress-tests:
Canonical link: https://commits.webkit.org/258008@main
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