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-rw-r--r--js/src/jit/Lowering.cpp134
1 files changed, 101 insertions, 33 deletions
diff --git a/js/src/jit/Lowering.cpp b/js/src/jit/Lowering.cpp
index b0007a114d..f7b898f240 100644
--- a/js/src/jit/Lowering.cpp
+++ b/js/src/jit/Lowering.cpp
@@ -654,12 +654,23 @@ void LIRGenerator::visitApplyArgs(MApplyArgs* apply) {
static_assert(CallTempReg2 != JSReturnReg_Type);
static_assert(CallTempReg2 != JSReturnReg_Data);
- LApplyArgsGeneric* lir = new (alloc()) LApplyArgsGeneric(
- useFixedAtStart(apply->getFunction(), CallTempReg3),
- useFixedAtStart(apply->getArgc(), CallTempReg0),
- useBoxFixedAtStart(apply->getThis(), CallTempReg4, CallTempReg5),
- tempFixed(CallTempReg1), // object register
- tempFixed(CallTempReg2)); // stack counter register
+ auto function = useFixedAtStart(apply->getFunction(), CallTempReg3);
+ auto argc = useFixedAtStart(apply->getArgc(), CallTempReg0);
+ auto thisValue =
+ useBoxFixedAtStart(apply->getThis(), CallTempReg4, CallTempReg5);
+ auto tempObj = tempFixed(CallTempReg1); // object register
+ auto tempCopy = tempFixed(CallTempReg2); // copy register
+
+ auto* target = apply->getSingleTarget();
+
+ LInstruction* lir;
+ if (target && target->isNativeWithoutJitEntry()) {
+ lir = new (alloc())
+ LApplyArgsNative(function, argc, thisValue, tempObj, tempCopy);
+ } else {
+ lir = new (alloc())
+ LApplyArgsGeneric(function, argc, thisValue, tempObj, tempCopy);
+ }
// Bailout is needed in the case of too many values in the arguments array.
assignSnapshot(lir, apply->bailoutKind());
@@ -675,12 +686,23 @@ void LIRGenerator::visitApplyArgsObj(MApplyArgsObj* apply) {
static_assert(CallTempReg2 != JSReturnReg_Type);
static_assert(CallTempReg2 != JSReturnReg_Data);
- LApplyArgsObj* lir = new (alloc()) LApplyArgsObj(
- useFixedAtStart(apply->getFunction(), CallTempReg3),
- useFixedAtStart(apply->getArgsObj(), CallTempReg0),
- useBoxFixedAtStart(apply->getThis(), CallTempReg4, CallTempReg5),
- tempFixed(CallTempReg1), // object register
- tempFixed(CallTempReg2)); // stack counter register
+ auto function = useFixedAtStart(apply->getFunction(), CallTempReg3);
+ auto argsObj = useFixedAtStart(apply->getArgsObj(), CallTempReg0);
+ auto thisValue =
+ useBoxFixedAtStart(apply->getThis(), CallTempReg4, CallTempReg5);
+ auto tempObj = tempFixed(CallTempReg1); // object register
+ auto tempCopy = tempFixed(CallTempReg2); // copy register
+
+ auto* target = apply->getSingleTarget();
+
+ LInstruction* lir;
+ if (target && target->isNativeWithoutJitEntry()) {
+ lir = new (alloc())
+ LApplyArgsObjNative(function, argsObj, thisValue, tempObj, tempCopy);
+ } else {
+ lir = new (alloc())
+ LApplyArgsObj(function, argsObj, thisValue, tempObj, tempCopy);
+ }
// Bailout is needed in the case of too many values in the arguments array.
assignSnapshot(lir, apply->bailoutKind());
@@ -696,12 +718,23 @@ void LIRGenerator::visitApplyArray(MApplyArray* apply) {
static_assert(CallTempReg2 != JSReturnReg_Type);
static_assert(CallTempReg2 != JSReturnReg_Data);
- LApplyArrayGeneric* lir = new (alloc()) LApplyArrayGeneric(
- useFixedAtStart(apply->getFunction(), CallTempReg3),
- useFixedAtStart(apply->getElements(), CallTempReg0),
- useBoxFixedAtStart(apply->getThis(), CallTempReg4, CallTempReg5),
- tempFixed(CallTempReg1), // object register
- tempFixed(CallTempReg2)); // stack counter register
+ auto function = useFixedAtStart(apply->getFunction(), CallTempReg3);
+ auto elements = useFixedAtStart(apply->getElements(), CallTempReg0);
+ auto thisValue =
+ useBoxFixedAtStart(apply->getThis(), CallTempReg4, CallTempReg5);
+ auto tempObj = tempFixed(CallTempReg1); // object register
+ auto tempCopy = tempFixed(CallTempReg2); // copy register
+
+ auto* target = apply->getSingleTarget();
+
+ LInstruction* lir;
+ if (target && target->isNativeWithoutJitEntry()) {
+ lir = new (alloc())
+ LApplyArrayNative(function, elements, thisValue, tempObj, tempCopy);
+ } else {
+ lir = new (alloc())
+ LApplyArrayGeneric(function, elements, thisValue, tempObj, tempCopy);
+ }
// Bailout is needed in the case of too many values in the array, or empty
// space at the end of the array.
@@ -721,12 +754,26 @@ void LIRGenerator::visitConstructArgs(MConstructArgs* mir) {
static_assert(CallTempReg2 != JSReturnReg_Type);
static_assert(CallTempReg2 != JSReturnReg_Data);
- auto* lir = new (alloc()) LConstructArgsGeneric(
- useFixedAtStart(mir->getFunction(), CallTempReg3),
- useFixedAtStart(mir->getArgc(), CallTempReg0),
- useFixedAtStart(mir->getNewTarget(), CallTempReg1),
- useBoxFixedAtStart(mir->getThis(), CallTempReg4, CallTempReg5),
- tempFixed(CallTempReg2));
+ auto function = useFixedAtStart(mir->getFunction(), CallTempReg3);
+ auto argc = useFixedAtStart(mir->getArgc(), CallTempReg0);
+ auto newTarget = useFixedAtStart(mir->getNewTarget(), CallTempReg1);
+ auto temp = tempFixed(CallTempReg2);
+
+ auto* target = mir->getSingleTarget();
+
+ LInstruction* lir;
+ if (target && target->isNativeWithoutJitEntry()) {
+ auto temp2 = tempFixed(CallTempReg4);
+
+ lir = new (alloc())
+ LConstructArgsNative(function, argc, newTarget, temp, temp2);
+ } else {
+ auto thisValue =
+ useBoxFixedAtStart(mir->getThis(), CallTempReg4, CallTempReg5);
+
+ lir = new (alloc())
+ LConstructArgsGeneric(function, argc, newTarget, thisValue, temp);
+ }
// Bailout is needed in the case of too many values in the arguments array.
assignSnapshot(lir, mir->bailoutKind());
@@ -745,12 +792,26 @@ void LIRGenerator::visitConstructArray(MConstructArray* mir) {
static_assert(CallTempReg2 != JSReturnReg_Type);
static_assert(CallTempReg2 != JSReturnReg_Data);
- auto* lir = new (alloc()) LConstructArrayGeneric(
- useFixedAtStart(mir->getFunction(), CallTempReg3),
- useFixedAtStart(mir->getElements(), CallTempReg0),
- useFixedAtStart(mir->getNewTarget(), CallTempReg1),
- useBoxFixedAtStart(mir->getThis(), CallTempReg4, CallTempReg5),
- tempFixed(CallTempReg2));
+ auto function = useFixedAtStart(mir->getFunction(), CallTempReg3);
+ auto elements = useFixedAtStart(mir->getElements(), CallTempReg0);
+ auto newTarget = useFixedAtStart(mir->getNewTarget(), CallTempReg1);
+ auto temp = tempFixed(CallTempReg2);
+
+ auto* target = mir->getSingleTarget();
+
+ LInstruction* lir;
+ if (target && target->isNativeWithoutJitEntry()) {
+ auto temp2 = tempFixed(CallTempReg4);
+
+ lir = new (alloc())
+ LConstructArrayNative(function, elements, newTarget, temp, temp2);
+ } else {
+ auto thisValue =
+ useBoxFixedAtStart(mir->getThis(), CallTempReg4, CallTempReg5);
+
+ lir = new (alloc())
+ LConstructArrayGeneric(function, elements, newTarget, thisValue, temp);
+ }
// Bailout is needed in the case of too many values in the array, or empty
// space at the end of the array.
@@ -3241,7 +3302,9 @@ void LIRGenerator::visitWasmAnyRefFromJSString(MWasmAnyRefFromJSString* ins) {
}
void LIRGenerator::visitWasmNewI31Ref(MWasmNewI31Ref* ins) {
- LWasmNewI31Ref* lir = new (alloc()) LWasmNewI31Ref(useRegister(ins->input()));
+ // If it's a constant, it will be put directly into the register.
+ LWasmNewI31Ref* lir =
+ new (alloc()) LWasmNewI31Ref(useRegisterOrConstant(ins->input()));
define(lir, ins);
}
@@ -4686,7 +4749,8 @@ void LIRGenerator::visitLoadScriptedProxyHandler(
MLoadScriptedProxyHandler* ins) {
LLoadScriptedProxyHandler* lir = new (alloc())
LLoadScriptedProxyHandler(useRegisterAtStart(ins->object()));
- defineBox(lir, ins);
+ assignSnapshot(lir, ins->bailoutKind());
+ define(lir, ins);
}
void LIRGenerator::visitIdToStringOrSymbol(MIdToStringOrSymbol* ins) {
@@ -6750,7 +6814,11 @@ void LIRGenerator::visitLoadWrapperTarget(MLoadWrapperTarget* ins) {
MDefinition* object = ins->object();
MOZ_ASSERT(object->type() == MIRType::Object);
- define(new (alloc()) LLoadWrapperTarget(useRegisterAtStart(object)), ins);
+ auto* lir = new (alloc()) LLoadWrapperTarget(useRegisterAtStart(object));
+ if (ins->fallible()) {
+ assignSnapshot(lir, ins->bailoutKind());
+ }
+ define(lir, ins);
}
void LIRGenerator::visitGuardHasGetterSetter(MGuardHasGetterSetter* ins) {
generated by cgit v1.2.3 (git 2.39.1) at 2024-09-14 15:42:54 +0000