// Copyright 2015 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_S390 #include <memory> #include "src/codegen.h" #include "src/macro-assembler.h" #include "src/s390/simulator-s390.h" namespace v8 { namespace internal { #define __ masm. UnaryMathFunctionWithIsolate CreateSqrtFunction(Isolate* isolate) { #if defined(USE_SIMULATOR) return nullptr; #else size_t actual_size; byte* buffer = static_cast<byte*>(base::OS::Allocate(1 * KB, &actual_size, true)); if (buffer == nullptr) return nullptr; MacroAssembler masm(isolate, buffer, static_cast<int>(actual_size), CodeObjectRequired::kNo); __ MovFromFloatParameter(d0); __ sqdbr(d0, d0); __ MovToFloatResult(d0); __ Ret(); CodeDesc desc; masm.GetCode(isolate, &desc); DCHECK(ABI_USES_FUNCTION_DESCRIPTORS || !RelocInfo::RequiresRelocation(isolate, desc)); Assembler::FlushICache(isolate, buffer, actual_size); base::OS::ProtectCode(buffer, actual_size); return FUNCTION_CAST<UnaryMathFunctionWithIsolate>(buffer); #endif } #undef __ } // namespace internal } // namespace v8 #endif // V8_TARGET_ARCH_S390