123 lines
2.8 KiB
Diff
123 lines
2.8 KiB
Diff
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--- a/js/src/jit/RegisterSets.h 2017-02-10 17:33:06.210702431 -0800
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+++ b/js/src/jit/RegisterSets.h 2017-02-10 17:43:52.877514146 -0800
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@@ -7,7 +7,6 @@
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#ifndef jit_RegisterSets_h
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#define jit_RegisterSets_h
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-#include "mozilla/Alignment.h"
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#include "mozilla/MathAlgorithms.h"
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#include "jit/JitAllocPolicy.h"
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@@ -26,8 +25,8 @@
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Code code_;
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public:
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- AnyRegister()
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- { }
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+ AnyRegister() = default;
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+
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explicit AnyRegister(Register gpr) {
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code_ = gpr.code();
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}
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@@ -156,7 +155,7 @@
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}
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#endif
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- ValueOperand() {}
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+ ValueOperand() = default;
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};
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// Registers to hold either either a typed or untyped value.
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@@ -165,46 +164,25 @@
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// Type of value being stored.
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MIRType type_;
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- // Space to hold either an AnyRegister or a ValueOperand.
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union U {
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- mozilla::AlignedStorage2<AnyRegister> typed;
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- mozilla::AlignedStorage2<ValueOperand> value;
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+ AnyRegister typed;
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+ ValueOperand value;
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} data;
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- AnyRegister& dataTyped() {
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- MOZ_ASSERT(hasTyped());
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- return *data.typed.addr();
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- }
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- ValueOperand& dataValue() {
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- MOZ_ASSERT(hasValue());
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- return *data.value.addr();
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- }
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-
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- AnyRegister dataTyped() const {
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- MOZ_ASSERT(hasTyped());
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- return *data.typed.addr();
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- }
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- const ValueOperand& dataValue() const {
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- MOZ_ASSERT(hasValue());
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- return *data.value.addr();
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- }
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-
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public:
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- TypedOrValueRegister()
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- : type_(MIRType_None)
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- {}
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+ TypedOrValueRegister() = default;
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TypedOrValueRegister(MIRType type, AnyRegister reg)
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: type_(type)
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{
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- dataTyped() = reg;
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+ data.typed = reg;
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}
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MOZ_IMPLICIT TypedOrValueRegister(ValueOperand value)
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: type_(MIRType_Value)
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{
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- dataValue() = value;
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+ data.value = value;
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}
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MIRType type() const {
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@@ -220,11 +198,13 @@
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}
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AnyRegister typedReg() const {
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- return dataTyped();
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+ MOZ_ASSERT(hasTyped());
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+ return data.typed;
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}
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ValueOperand valueReg() const {
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- return dataValue();
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+ MOZ_ASSERT(hasValue());
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+ return data.value;
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}
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AnyRegister scratchReg() {
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@@ -240,19 +220,18 @@
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// Whether a constant value is being stored.
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bool constant_;
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- // Space to hold either a Value or a TypedOrValueRegister.
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union U {
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- mozilla::AlignedStorage2<Value> constant;
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- mozilla::AlignedStorage2<TypedOrValueRegister> reg;
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+ Value constant;
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+ TypedOrValueRegister reg;
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} data;
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Value& dataValue() {
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MOZ_ASSERT(constant());
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- return *data.constant.addr();
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+ return data.constant;
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}
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TypedOrValueRegister& dataReg() {
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MOZ_ASSERT(!constant());
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- return *data.reg.addr();
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+ return data.reg;
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}
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public:
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