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-rw-r--r--js/src/jit/BaselineCompiler.cpp23
-rw-r--r--js/src/jit/BaselineCompiler.h1
-rw-r--r--js/src/jit/CodeGenerator.cpp12
-rw-r--r--js/src/jit/CodeGenerator.h1
-rw-r--r--js/src/jit/IonBuilder.cpp17
-rw-r--r--js/src/jit/IonBuilder.h1
-rw-r--r--js/src/jit/Lowering.cpp8
-rw-r--r--js/src/jit/Lowering.h1
-rw-r--r--js/src/jit/MIR.h15
-rw-r--r--js/src/jit/MOpcodes.h1
-rw-r--r--js/src/jit/shared/LIR-shared.h13
-rw-r--r--js/src/jit/shared/LOpcodes-shared.h1
12 files changed, 94 insertions, 0 deletions
diff --git a/js/src/jit/BaselineCompiler.cpp b/js/src/jit/BaselineCompiler.cpp
index 52c3eccef..4f4ca8b89 100644
--- a/js/src/jit/BaselineCompiler.cpp
+++ b/js/src/jit/BaselineCompiler.cpp
@@ -25,6 +25,7 @@
#include "jit/VMFunctions.h"
#include "js/UniquePtr.h"
#include "vm/AsyncFunction.h"
+#include "vm/AsyncIteration.h"
#include "vm/EnvironmentObject.h"
#include "vm/Interpreter.h"
#include "vm/TraceLogging.h"
@@ -3908,6 +3909,28 @@ BaselineCompiler::emit_JSOP_TOASYNC()
return true;
}
+typedef JSObject* (*ToAsyncGenFn)(JSContext*, HandleFunction);
+static const VMFunction ToAsyncGenInfo =
+ FunctionInfo<ToAsyncGenFn>(js::WrapAsyncGenerator, "ToAsyncGen");
+
+bool
+BaselineCompiler::emit_JSOP_TOASYNCGEN()
+{
+ frame.syncStack(0);
+ masm.unboxObject(frame.addressOfStackValue(frame.peek(-1)), R0.scratchReg());
+
+ prepareVMCall();
+ pushArg(R0.scratchReg());
+
+ if (!callVM(ToAsyncGenInfo))
+ return false;
+
+ masm.tagValue(JSVAL_TYPE_OBJECT, ReturnReg, R0);
+ frame.pop();
+ frame.push(R0);
+ return true;
+}
+
typedef bool (*ThrowObjectCoercibleFn)(JSContext*, HandleValue);
static const VMFunction ThrowObjectCoercibleInfo =
FunctionInfo<ThrowObjectCoercibleFn>(ThrowObjectCoercible, "ThrowObjectCoercible");
diff --git a/js/src/jit/BaselineCompiler.h b/js/src/jit/BaselineCompiler.h
index 1f236ed82..54ddc7475 100644
--- a/js/src/jit/BaselineCompiler.h
+++ b/js/src/jit/BaselineCompiler.h
@@ -196,6 +196,7 @@ namespace jit {
_(JSOP_RUNONCE) \
_(JSOP_REST) \
_(JSOP_TOASYNC) \
+ _(JSOP_TOASYNCGEN) \
_(JSOP_TOID) \
_(JSOP_TOSTRING) \
_(JSOP_TABLESWITCH) \
diff --git a/js/src/jit/CodeGenerator.cpp b/js/src/jit/CodeGenerator.cpp
index 205812942..128947e5e 100644
--- a/js/src/jit/CodeGenerator.cpp
+++ b/js/src/jit/CodeGenerator.cpp
@@ -41,6 +41,7 @@
#include "jit/RangeAnalysis.h"
#include "jit/SharedICHelpers.h"
#include "vm/AsyncFunction.h"
+#include "vm/AsyncIteration.h"
#include "vm/MatchPairs.h"
#include "vm/RegExpObject.h"
#include "vm/RegExpStatics.h"
@@ -10213,6 +10214,17 @@ CodeGenerator::visitToAsync(LToAsync* lir)
callVM(ToAsyncInfo, lir);
}
+typedef JSObject* (*ToAsyncGenFn)(JSContext*, HandleFunction);
+static const VMFunction ToAsyncGenInfo =
+ FunctionInfo<ToAsyncGenFn>(js::WrapAsyncGenerator, "ToAsyncGen");
+
+void
+CodeGenerator::visitToAsyncGen(LToAsyncGen* lir)
+{
+ pushArg(ToRegister(lir->unwrapped()));
+ callVM(ToAsyncGenInfo, lir);
+}
+
typedef bool (*ToIdFn)(JSContext*, HandleScript, jsbytecode*, HandleValue,
MutableHandleValue);
static const VMFunction ToIdInfo = FunctionInfo<ToIdFn>(ToIdOperation, "ToIdOperation");
diff --git a/js/src/jit/CodeGenerator.h b/js/src/jit/CodeGenerator.h
index 12f1238ef..d2f24dc04 100644
--- a/js/src/jit/CodeGenerator.h
+++ b/js/src/jit/CodeGenerator.h
@@ -286,6 +286,7 @@ class CodeGenerator final : public CodeGeneratorSpecific
void visitTypeOfV(LTypeOfV* lir);
void visitOutOfLineTypeOfV(OutOfLineTypeOfV* ool);
void visitToAsync(LToAsync* lir);
+ void visitToAsyncGen(LToAsyncGen* lir);
void visitToIdV(LToIdV* lir);
template<typename T> void emitLoadElementT(LLoadElementT* lir, const T& source);
void visitLoadElementT(LLoadElementT* lir);
diff --git a/js/src/jit/IonBuilder.cpp b/js/src/jit/IonBuilder.cpp
index af4ca0657..171518d38 100644
--- a/js/src/jit/IonBuilder.cpp
+++ b/js/src/jit/IonBuilder.cpp
@@ -2130,6 +2130,9 @@ IonBuilder::inspectOpcode(JSOp op)
case JSOP_TOASYNC:
return jsop_toasync();
+ case JSOP_TOASYNCGEN:
+ return jsop_toasyncgen();
+
case JSOP_TOID:
return jsop_toid();
@@ -13196,6 +13199,20 @@ IonBuilder::jsop_toasync()
}
bool
+IonBuilder::jsop_toasyncgen()
+{
+ MDefinition* unwrapped = current->pop();
+ MOZ_ASSERT(unwrapped->type() == MIRType::Object);
+
+ MToAsyncGen* ins = MToAsyncGen::New(alloc(), unwrapped);
+
+ current->add(ins);
+ current->push(ins);
+
+ return resumeAfter(ins);
+}
+
+bool
IonBuilder::jsop_toid()
{
// No-op if the index is an integer.
diff --git a/js/src/jit/IonBuilder.h b/js/src/jit/IonBuilder.h
index 1f763a4f2..48388539f 100644
--- a/js/src/jit/IonBuilder.h
+++ b/js/src/jit/IonBuilder.h
@@ -762,6 +762,7 @@ class IonBuilder
MOZ_MUST_USE bool jsop_globalthis();
MOZ_MUST_USE bool jsop_typeof();
MOZ_MUST_USE bool jsop_toasync();
+ MOZ_MUST_USE bool jsop_toasyncgen();
MOZ_MUST_USE bool jsop_toid();
MOZ_MUST_USE bool jsop_iter(uint8_t flags);
MOZ_MUST_USE bool jsop_itermore();
diff --git a/js/src/jit/Lowering.cpp b/js/src/jit/Lowering.cpp
index 22f1d5f70..ee59b8ae6 100644
--- a/js/src/jit/Lowering.cpp
+++ b/js/src/jit/Lowering.cpp
@@ -1176,6 +1176,14 @@ LIRGenerator::visitToAsync(MToAsync* ins)
}
void
+LIRGenerator::visitToAsyncGen(MToAsyncGen* ins)
+{
+ LToAsyncGen* lir = new(alloc()) LToAsyncGen(useRegisterAtStart(ins->input()));
+ defineReturn(lir, ins);
+ assignSafepoint(lir, ins);
+}
+
+void
LIRGenerator::visitToId(MToId* ins)
{
LToIdV* lir = new(alloc()) LToIdV(useBox(ins->input()), tempDouble());
diff --git a/js/src/jit/Lowering.h b/js/src/jit/Lowering.h
index 9342ef471..1d412040c 100644
--- a/js/src/jit/Lowering.h
+++ b/js/src/jit/Lowering.h
@@ -121,6 +121,7 @@ class LIRGenerator : public LIRGeneratorSpecific
void visitCompare(MCompare* comp);
void visitTypeOf(MTypeOf* ins);
void visitToAsync(MToAsync* ins);
+ void visitToAsyncGen(MToAsyncGen* ins);
void visitToId(MToId* ins);
void visitBitNot(MBitNot* ins);
void visitBitAnd(MBitAnd* ins);
diff --git a/js/src/jit/MIR.h b/js/src/jit/MIR.h
index 6c376d528..637c09cfd 100644
--- a/js/src/jit/MIR.h
+++ b/js/src/jit/MIR.h
@@ -5784,6 +5784,21 @@ class MToAsync
TRIVIAL_NEW_WRAPPERS
};
+class MToAsyncGen
+ : public MUnaryInstruction,
+ public SingleObjectPolicy::Data
+{
+ explicit MToAsyncGen(MDefinition* unwrapped)
+ : MUnaryInstruction(unwrapped)
+ {
+ setResultType(MIRType::Object);
+ }
+
+ public:
+ INSTRUCTION_HEADER(ToAsyncGen)
+ TRIVIAL_NEW_WRAPPERS
+};
+
class MToId
: public MUnaryInstruction,
public BoxInputsPolicy::Data
diff --git a/js/src/jit/MOpcodes.h b/js/src/jit/MOpcodes.h
index 9e460a2ba..59620e4e7 100644
--- a/js/src/jit/MOpcodes.h
+++ b/js/src/jit/MOpcodes.h
@@ -79,6 +79,7 @@ namespace jit {
_(BitNot) \
_(TypeOf) \
_(ToAsync) \
+ _(ToAsyncGen) \
_(ToId) \
_(BitAnd) \
_(BitOr) \
diff --git a/js/src/jit/shared/LIR-shared.h b/js/src/jit/shared/LIR-shared.h
index ecf02816e..6c8ff899b 100644
--- a/js/src/jit/shared/LIR-shared.h
+++ b/js/src/jit/shared/LIR-shared.h
@@ -1606,6 +1606,19 @@ class LToAsync : public LCallInstructionHelper<1, 1, 0>
}
};
+class LToAsyncGen : public LCallInstructionHelper<1, 1, 0>
+{
+ public:
+ LIR_HEADER(ToAsyncGen)
+ explicit LToAsyncGen(const LAllocation& input) {
+ setOperand(0, input);
+ }
+
+ const LAllocation* unwrapped() {
+ return getOperand(0);
+ }
+};
+
class LToIdV : public LInstructionHelper<BOX_PIECES, BOX_PIECES, 1>
{
public:
diff --git a/js/src/jit/shared/LOpcodes-shared.h b/js/src/jit/shared/LOpcodes-shared.h
index e260d7e94..9e79f0266 100644
--- a/js/src/jit/shared/LOpcodes-shared.h
+++ b/js/src/jit/shared/LOpcodes-shared.h
@@ -353,6 +353,7 @@
_(Rest) \
_(TypeOfV) \
_(ToAsync) \
+ _(ToAsyncGen) \
_(ToIdV) \
_(Floor) \
_(FloorF) \