// Copyright 2012 the V8 project authors. All rights reserved.
-// Redistribution and use in source and binary forms, with or without
-// modification, are permitted provided that the following conditions are
-// met:
-//
-// * Redistributions of source code must retain the above copyright
-// notice, this list of conditions and the following disclaimer.
-// * Redistributions in binary form must reproduce the above
-// copyright notice, this list of conditions and the following
-// disclaimer in the documentation and/or other materials provided
-// with the distribution.
-// * Neither the name of Google Inc. nor the names of its
-// contributors may be used to endorse or promote products derived
-// from this software without specific prior written permission.
-//
-// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
-// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
-// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
-// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
-// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
-// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
-// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
-// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
-// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
-// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
-// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
#ifndef V8_IA32_MACRO_ASSEMBLER_IA32_H_
#define V8_IA32_MACRO_ASSEMBLER_IA32_H_
Register scratch2,
SaveFPRegsMode save_fp);
-#ifdef ENABLE_DEBUGGER_SUPPORT
// ---------------------------------------------------------------------------
// Debugger Support
void DebugBreak();
-#endif
// Generates function and stub prologue code.
void Prologue(PrologueFrameMode frame_mode);
Register scratch,
Label* no_map_match);
- // Load the initial map for new Arrays from a JSFunction.
- void LoadInitialArrayMap(Register function_in,
- Register scratch,
- Register map_out,
- bool can_have_holes);
-
- void LoadGlobalContext(Register global_context);
-
// Load the global function with the given index.
void LoadGlobalFunction(int index, Register function);
if (object->IsHeapObject()) {
LoadHeapObject(result, Handle<HeapObject>::cast(object));
} else {
- Set(result, Immediate(object));
+ Move(result, Immediate(object));
}
}
void GetBuiltinEntry(Register target, Builtins::JavaScript id);
// Expression support
- void Set(Register dst, const Immediate& x);
- void Set(const Operand& dst, const Immediate& x);
-
// cvtsi2sd instruction only writes to the low 64-bit of dst register, which
// hinders register renaming and makes dependence chains longer. So we use
// xorps to clear the dst register before cvtsi2sd to solve this issue.
// Support for constant splitting.
bool IsUnsafeImmediate(const Immediate& x);
- void SafeSet(Register dst, const Immediate& x);
+ void SafeMove(Register dst, const Immediate& x);
void SafePush(const Immediate& x);
// Compare object type for heap object.
// Abort execution if argument is not a name, enabled via --debug-code.
void AssertName(Register object);
+ // Abort execution if argument is not undefined or an AllocationSite, enabled
+ // via --debug-code.
+ void AssertUndefinedOrAllocationSite(Register object);
+
// ---------------------------------------------------------------------------
// Exception handling
// caller-save registers. Restores context. On return removes
// stack_space * kPointerSize (GCed).
void CallApiFunctionAndReturn(Register function_address,
- Address thunk_address,
+ ExternalReference thunk_ref,
Operand thunk_last_arg,
int stack_space,
Operand return_value_operand,
// Move if the registers are not identical.
void Move(Register target, Register source);
+ // Move a constant into a destination using the most efficient encoding.
+ void Move(Register dst, const Immediate& x);
+ void Move(const Operand& dst, const Immediate& x);
+
+ // Move an immediate into an XMM register.
+ void Move(XMMRegister dst, double val);
+
// Push a handle value.
void Push(Handle<Object> handle) { push(Immediate(handle)); }
void Push(Smi* smi) { Push(Handle<Smi>(smi, isolate())); }
// Insert code to verify that the x87 stack has the specified depth (0-7)
void VerifyX87StackDepth(uint32_t depth);
+ // Emit code for a truncating division by a constant. The dividend register is
+ // unchanged, the result is in edx, and eax gets clobbered.
+ void TruncatingDiv(Register dividend, int32_t divisor);
+
// ---------------------------------------------------------------------------
// StatsCounter support
// ---------------------------------------------------------------------------
// SIMD macros.
void absps(XMMRegister dst);
+ void abspd(XMMRegister dst);
void negateps(XMMRegister dst);
+ void negatepd(XMMRegister dst);
void notps(XMMRegister dst);
void pnegd(XMMRegister dst);
Register scratch,
AllocationFlags flags);
- // Helper for PopHandleScope. Allowed to perform a GC and returns
- // NULL if gc_allowed. Does not perform a GC if !gc_allowed, and
- // possibly returns a failure object indicating an allocation failure.
- MUST_USE_RESULT MaybeObject* PopHandleScopeHelper(Register saved,
- Register scratch,
- bool gc_allowed);
-
// Helper for implementing JumpIfNotInNewSpace and JumpIfInNewSpace.
void InNewSpace(Register object,
Register scratch,
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