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// Copyright 2014 the V8 project authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#if V8_TARGET_ARCH_PPC
#include <memory>
#include "src/codegen.h"
#include "src/isolate.h"
#include "src/macro-assembler.h"
#include "src/ppc/simulator-ppc.h"
namespace v8 {
namespace internal {
#define __ masm.
UnaryMathFunctionWithIsolate CreateSqrtFunction(Isolate* isolate) {
#if defined(USE_SIMULATOR)
return nullptr;
#else
size_t allocated = 0;
byte* buffer = AllocatePage(isolate->heap()->GetRandomMmapAddr(), &allocated);
if (buffer == nullptr) return nullptr;
MacroAssembler masm(isolate, buffer, static_cast<int>(allocated),
CodeObjectRequired::kNo);
// Called from C
__ function_descriptor();
__ MovFromFloatParameter(d1);
__ fsqrt(d1, d1);
__ MovToFloatResult(d1);
__ Ret();
CodeDesc desc;
masm.GetCode(isolate, &desc);
DCHECK(ABI_USES_FUNCTION_DESCRIPTORS || !RelocInfo::RequiresRelocation(desc));
Assembler::FlushICache(buffer, allocated);
CHECK(SetPermissions(buffer, allocated, PageAllocator::kReadExecute));
return FUNCTION_CAST<UnaryMathFunctionWithIsolate>(buffer);
#endif
}
#undef __
} // namespace internal
} // namespace v8
#endif // V8_TARGET_ARCH_PPC
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