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Bug 1052514: Use AsmJSNumLit in AsmJSModule.h; r=luke

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This commit is contained in:
Benjamin Bouvier 2014-08-27 12:21:42 +02:00
parent 9bf1f39c10
commit c99071e27e
3 changed files with 23 additions and 18 deletions
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15
js/src/asmjs/AsmJSLink.cpp
View File

@ -106,17 +106,22 @@ ValidateGlobalVariable(JSContext *cx, const AsmJSModule &module, AsmJSModule::Gl
switch (global.varInitKind()) {
case AsmJSModule::Global::InitConstant: {
const Value &v = global.varInitConstant();
switch (global.varInitCoercion()) {
case AsmJS_ToInt32:
const AsmJSNumLit &lit = global.varInitNumLit();
const Value &v = lit.value();
switch (lit.which()) {
case AsmJSNumLit::Fixnum:
case AsmJSNumLit::NegativeInt:
case AsmJSNumLit::BigUnsigned:
*(int32_t *)datum = v.toInt32();
break;
case AsmJS_ToNumber:
case AsmJSNumLit::Double:
*(double *)datum = v.toDouble();
break;
case AsmJS_FRound:
case AsmJSNumLit::Float:
*(float *)datum = static_cast<float>(v.toDouble());
break;
case AsmJSNumLit::OutOfRangeInt:
MOZ_MAKE_COMPILER_ASSUME_IS_UNREACHABLE("OutOfRangeInt isn't valid in the first place");
}
break;
}

24
js/src/asmjs/AsmJSModule.h
View File

@ -131,7 +131,7 @@ class AsmJSNumLit
return float(value_.toDouble());
}
Value value() const {
const Value &value() const {
JS_ASSERT(which_ != OutOfRangeInt);
return value_;
}
@ -168,10 +168,10 @@ class AsmJSModule
struct {
uint32_t index_;
VarInitKind initKind_;
AsmJSCoercion coercion_;
union {
Value constant_; // will only contain int32/double
} init;
AsmJSCoercion coercion_;
AsmJSNumLit numLit_;
} u;
} var;
uint32_t ffiIndex_;
Scalar::Type viewType_;
@ -196,7 +196,7 @@ class AsmJSModule
if (name_)
MarkStringUnbarriered(trc, &name_, "asm.js global name");
JS_ASSERT_IF(pod.which_ == Variable && pod.u.var.initKind_ == InitConstant,
!pod.u.var.init.constant_.isMarkable());
!pod.u.var.u.numLit_.value().isMarkable());
}
public:
@ -212,14 +212,15 @@ class AsmJSModule
JS_ASSERT(pod.which_ == Variable);
return pod.u.var.initKind_;
}
const Value &varInitConstant() const {
const AsmJSNumLit &varInitNumLit() const {
JS_ASSERT(pod.which_ == Variable);
JS_ASSERT(pod.u.var.initKind_ == InitConstant);
return pod.u.var.init.constant_;
return pod.u.var.u.numLit_;
}
AsmJSCoercion varInitCoercion() const {
JS_ASSERT(pod.which_ == Variable);
return pod.u.var.coercion_;
JS_ASSERT(pod.u.var.initKind_ == InitImport);
return pod.u.var.u.coercion_;
}
PropertyName *varImportField() const {
JS_ASSERT(pod.which_ == Variable);
@ -816,14 +817,13 @@ class AsmJSModule
PropertyName *bufferArgumentName() const {
return bufferArgumentName_;
}
bool addGlobalVarInit(const Value &v, AsmJSCoercion coercion, uint32_t *globalIndex) {
bool addGlobalVarInit(const AsmJSNumLit &lit, uint32_t *globalIndex) {
JS_ASSERT(!isFinishedWithModulePrologue());
if (pod.numGlobalVars_ == UINT32_MAX)
return false;
Global g(Global::Variable, nullptr);
g.pod.u.var.initKind_ = Global::InitConstant;
g.pod.u.var.init.constant_ = v;
g.pod.u.var.coercion_ = coercion;
g.pod.u.var.u.numLit_ = lit;
g.pod.u.var.index_ = *globalIndex = pod.numGlobalVars_++;
return globals_.append(g);
}
@ -831,7 +831,7 @@ class AsmJSModule
JS_ASSERT(!isFinishedWithModulePrologue());
Global g(Global::Variable, name);
g.pod.u.var.initKind_ = Global::InitImport;
g.pod.u.var.coercion_ = coercion;
g.pod.u.var.u.coercion_ = coercion;
g.pod.u.var.index_ = *globalIndex = pod.numGlobalVars_++;
return globals_.append(g);
}

2
js/src/asmjs/AsmJSValidate.cpp
View File

@ -1350,7 +1350,7 @@ class MOZ_STACK_CLASS ModuleCompiler
bool addGlobalVarInit(PropertyName *varName, const AsmJSNumLit &lit, bool isConst) {
uint32_t index;
VarType type = VarType::Of(lit);
if (!module_->addGlobalVarInit(lit.value(), type.toCoercion(), &index))
if (!module_->addGlobalVarInit(lit, &index))
return false;
Global::Which which = isConst ? Global::ConstantLiteral : Global::Variable;