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authorwolfbeast <mcwerewolf@wolfbeast.com>2019-06-12 09:09:53 +0000
committerwolfbeast <mcwerewolf@wolfbeast.com>2019-06-12 09:09:53 +0000
commit93ce7c7372b20f6e6c6778f9c196b723a1df27a8 (patch)
tree683b692e58dbff96356fa5c3907036c0230fd82b /js/src/jit
parente95089d84ac71276bd059e52293ab42c2259d89e (diff)
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Remove unused LIR temp register for unboxed arrays.
Diffstat (limited to 'js/src/jit')
-rw-r--r--js/src/jit/Lowering.cpp16
-rw-r--r--js/src/jit/shared/LIR-shared.h24
2 files changed, 12 insertions, 28 deletions
diff --git a/js/src/jit/Lowering.cpp b/js/src/jit/Lowering.cpp
index e185b5746..68417138b 100644
--- a/js/src/jit/Lowering.cpp
+++ b/js/src/jit/Lowering.cpp
@@ -3137,20 +3137,16 @@ LIRGenerator::visitStoreElementHole(MStoreElementHole* ins)
const LUse elements = useRegister(ins->elements());
const LAllocation index = useRegisterOrConstant(ins->index());
- // Use a temp register when adding new elements to unboxed arrays.
- LDefinition tempDef = LDefinition::BogusTemp();
-
LInstruction* lir;
switch (ins->value()->type()) {
case MIRType::Value:
- lir = new(alloc()) LStoreElementHoleV(object, elements, index, useBox(ins->value()),
- tempDef);
+ lir = new(alloc()) LStoreElementHoleV(object, elements, index, useBox(ins->value()));
break;
default:
{
const LAllocation value = useRegisterOrNonDoubleConstant(ins->value());
- lir = new(alloc()) LStoreElementHoleT(object, elements, index, value, tempDef);
+ lir = new(alloc()) LStoreElementHoleT(object, elements, index, value);
break;
}
}
@@ -3169,18 +3165,14 @@ LIRGenerator::visitFallibleStoreElement(MFallibleStoreElement* ins)
const LUse elements = useRegister(ins->elements());
const LAllocation index = useRegisterOrConstant(ins->index());
- // Use a temp register when adding new elements to unboxed arrays.
- LDefinition tempDef = LDefinition::BogusTemp();
-
LInstruction* lir;
switch (ins->value()->type()) {
case MIRType::Value:
- lir = new(alloc()) LFallibleStoreElementV(object, elements, index, useBox(ins->value()),
- tempDef);
+ lir = new(alloc()) LFallibleStoreElementV(object, elements, index, useBox(ins->value()));
break;
default:
const LAllocation value = useRegisterOrNonDoubleConstant(ins->value());
- lir = new(alloc()) LFallibleStoreElementT(object, elements, index, value, tempDef);
+ lir = new(alloc()) LFallibleStoreElementT(object, elements, index, value);
break;
}
diff --git a/js/src/jit/shared/LIR-shared.h b/js/src/jit/shared/LIR-shared.h
index 35c7e7442..ffa4d8367 100644
--- a/js/src/jit/shared/LIR-shared.h
+++ b/js/src/jit/shared/LIR-shared.h
@@ -5669,19 +5669,17 @@ class LStoreElementT : public LInstructionHelper<0, 3, 0>
};
// Like LStoreElementV, but supports indexes >= initialized length.
-class LStoreElementHoleV : public LInstructionHelper<0, 3 + BOX_PIECES, 1>
+class LStoreElementHoleV : public LInstructionHelper<0, 3 + BOX_PIECES, 0>
{
public:
LIR_HEADER(StoreElementHoleV)
LStoreElementHoleV(const LAllocation& object, const LAllocation& elements,
- const LAllocation& index, const LBoxAllocation& value,
- const LDefinition& temp) {
+ const LAllocation& index, const LBoxAllocation& value) {
setOperand(0, object);
setOperand(1, elements);
setOperand(2, index);
setBoxOperand(Value, value);
- setTemp(0, temp);
}
static const size_t Value = 3;
@@ -5701,19 +5699,17 @@ class LStoreElementHoleV : public LInstructionHelper<0, 3 + BOX_PIECES, 1>
};
// Like LStoreElementT, but supports indexes >= initialized length.
-class LStoreElementHoleT : public LInstructionHelper<0, 4, 1>
+class LStoreElementHoleT : public LInstructionHelper<0, 4, 0>
{
public:
LIR_HEADER(StoreElementHoleT)
LStoreElementHoleT(const LAllocation& object, const LAllocation& elements,
- const LAllocation& index, const LAllocation& value,
- const LDefinition& temp) {
+ const LAllocation& index, const LAllocation& value) {
setOperand(0, object);
setOperand(1, elements);
setOperand(2, index);
setOperand(3, value);
- setTemp(0, temp);
}
const MStoreElementHole* mir() const {
@@ -5734,19 +5730,17 @@ class LStoreElementHoleT : public LInstructionHelper<0, 4, 1>
};
// Like LStoreElementV, but can just ignore assignment (for eg. frozen objects)
-class LFallibleStoreElementV : public LInstructionHelper<0, 3 + BOX_PIECES, 1>
+class LFallibleStoreElementV : public LInstructionHelper<0, 3 + BOX_PIECES, 0>
{
public:
LIR_HEADER(FallibleStoreElementV)
LFallibleStoreElementV(const LAllocation& object, const LAllocation& elements,
- const LAllocation& index, const LBoxAllocation& value,
- const LDefinition& temp) {
+ const LAllocation& index, const LBoxAllocation& value) {
setOperand(0, object);
setOperand(1, elements);
setOperand(2, index);
setBoxOperand(Value, value);
- setTemp(0, temp);
}
static const size_t Value = 3;
@@ -5766,19 +5760,17 @@ class LFallibleStoreElementV : public LInstructionHelper<0, 3 + BOX_PIECES, 1>
};
// Like LStoreElementT, but can just ignore assignment (for eg. frozen objects)
-class LFallibleStoreElementT : public LInstructionHelper<0, 4, 1>
+class LFallibleStoreElementT : public LInstructionHelper<0, 4, 0>
{
public:
LIR_HEADER(FallibleStoreElementT)
LFallibleStoreElementT(const LAllocation& object, const LAllocation& elements,
- const LAllocation& index, const LAllocation& value,
- const LDefinition& temp) {
+ const LAllocation& index, const LAllocation& value) {
setOperand(0, object);
setOperand(1, elements);
setOperand(2, index);
setOperand(3, value);
- setTemp(0, temp);
}
const MFallibleStoreElement* mir() const {