本文整理汇总了C++中Sig::ret方法的典型用法代码示例。如果您正苦于以下问题：C++ Sig::ret方法的具体用法？C++ Sig::ret怎么用？C++ Sig::ret使用的例子？那么, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类Sig的用法示例。
在下文中一共展示了Sig::ret方法的4个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的C++代码示例。
示例1: CheckType
static bool
DecodeCallWithSig(FunctionDecoder& f, const Sig& sig, ExprType expected)
{
for (ValType argType : sig.args()) {
if (!DecodeExpr(f, ToExprType(argType)))
return false;
}
return CheckType(f, sig.ret(), expected);
}示例2: Fail
static bool
CheckTypeForJS(JSContext* cx, Decoder& d, const Sig& sig)
{
for (ValType argType : sig.args()) {
if (argType == ValType::I64)
return Fail(cx, d, "cannot import/export i64 argument");
}
if (sig.ret() == ExprType::I64)
return Fail(cx, d, "cannot import/export i64 return type");
return true;
}示例3:
static bool
DecodeCallWithSig(FunctionDecoder& f, const Sig& sig, ExprType* type)
{
for (ValType argType : sig.args()) {
ExprType exprType;
if (!DecodeExpr(f, &exprType))
return false;
if (!CheckType(f, exprType, argType))
return false;
}
*type = sig.ret();
return true;
}示例4: src
//.........这里部分代码省略.........
masm.loadUnalignedInt32x4(src, iter->fpu());
break;
case MIRType_Float32x4:
masm.loadUnalignedFloat32x4(src, iter->fpu());
break;
case MIRType_Double:
masm.loadDouble(src, iter->fpu());
break;
case MIRType_Float32:
masm.loadFloat32(src, iter->fpu());
break;
default:
MOZ_MAKE_COMPILER_ASSUME_IS_UNREACHABLE("unexpected FPU type");
break;
}
break;
}
case ABIArg::Stack:
switch (type) {
case MIRType_Int32:
masm.load32(src, scratch);
masm.storePtr(scratch, Address(masm.getStackPointer(), iter->offsetFromArgBase()));
break;
case MIRType_Double:
masm.loadDouble(src, ScratchDoubleReg);
masm.storeDouble(ScratchDoubleReg, Address(masm.getStackPointer(), iter->offsetFromArgBase()));
break;
case MIRType_Float32:
masm.loadFloat32(src, ScratchFloat32Reg);
masm.storeFloat32(ScratchFloat32Reg, Address(masm.getStackPointer(), iter->offsetFromArgBase()));
break;
case MIRType_Int32x4:
case MIRType_Bool32x4:
masm.loadUnalignedInt32x4(src, ScratchSimd128Reg);
masm.storeAlignedInt32x4(ScratchSimd128Reg,
Address(masm.getStackPointer(), iter->offsetFromArgBase()));
break;
case MIRType_Float32x4:
masm.loadUnalignedFloat32x4(src, ScratchSimd128Reg);
masm.storeAlignedFloat32x4(ScratchSimd128Reg,
Address(masm.getStackPointer(), iter->offsetFromArgBase()));
break;
default:
MOZ_MAKE_COMPILER_ASSUME_IS_UNREACHABLE("unexpected stack arg type");
}
break;
}
}
// Call into the real function.
masm.assertStackAlignment(AsmJSStackAlignment);
masm.call(CallSiteDesc(CallSiteDesc::Relative), AsmJSInternalCallee(target));
// Recover the stack pointer value before dynamic alignment.
masm.loadWasmActivation(scratch);
masm.loadStackPtr(Address(scratch, WasmActivation::offsetOfEntrySP()));
masm.setFramePushed(FramePushedForEntrySP);
// Recover the 'argv' pointer which was saved before aligning the stack.
masm.Pop(argv);
// Store the return value in argv[0]
switch (sig.ret()) {
case ExprType::Void:
break;
case ExprType::I32:
masm.storeValue(JSVAL_TYPE_INT32, ReturnReg, Address(argv, 0));
break;
case ExprType::I64:
MOZ_CRASH("no int64 in asm.js");
case ExprType::F32:
masm.convertFloat32ToDouble(ReturnFloat32Reg, ReturnDoubleReg);
MOZ_FALLTHROUGH; // as ReturnDoubleReg now contains a Double
case ExprType::F64:
masm.canonicalizeDouble(ReturnDoubleReg);
masm.storeDouble(ReturnDoubleReg, Address(argv, 0));
break;
case ExprType::I32x4:
case ExprType::B32x4:
// We don't have control on argv alignment, do an unaligned access.
masm.storeUnalignedInt32x4(ReturnSimd128Reg, Address(argv, 0));
break;
case ExprType::F32x4:
// We don't have control on argv alignment, do an unaligned access.
masm.storeUnalignedFloat32x4(ReturnSimd128Reg, Address(argv, 0));
break;
case ExprType::Limit:
MOZ_CRASH("Limit");
}
// Restore clobbered non-volatile registers of the caller.
masm.PopRegsInMask(NonVolatileRegs);
MOZ_ASSERT(masm.framePushed() == 0);
masm.move32(Imm32(true), ReturnReg);
masm.ret();
offsets.end = masm.currentOffset();
return offsets;
}