2008-09-09 20:08:45 +00:00
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// Copyright 2006-2008 the V8 project authors. All rights reserved.
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2008-07-03 15:10:15 +00:00
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// Redistribution and use in source and binary forms, with or without
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// modification, are permitted provided that the following conditions are
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// met:
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//
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// * Redistributions of source code must retain the above copyright
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// notice, this list of conditions and the following disclaimer.
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// * Redistributions in binary form must reproduce the above
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// copyright notice, this list of conditions and the following
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// disclaimer in the documentation and/or other materials provided
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// with the distribution.
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// * Neither the name of Google Inc. nor the names of its
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// contributors may be used to endorse or promote products derived
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// from this software without specific prior written permission.
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//
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// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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#include "v8.h"
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#include "codegen-inl.h"
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#include "ic-inl.h"
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#include "runtime.h"
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#include "stub-cache.h"
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namespace v8 { namespace internal {
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// ----------------------------------------------------------------------------
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// Static IC stub generators.
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//
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#define __ masm->
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// Helper function used from LoadIC/CallIC GenerateNormal.
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static void GenerateDictionaryLoad(MacroAssembler* masm,
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Label* done_label,
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Label* miss_label,
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Register t0,
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Register t1) {
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// Register use:
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//
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// t0 - used to hold the property dictionary.
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//
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// t1 - initially the receiver
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// - used for the index into the property dictionary
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// - holds the result on exit.
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//
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// r3 - used as temporary and to hold the capacity of the property
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// dictionary.
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//
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// r2 - holds the name of the property and is unchanges.
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// Check for the absence of an interceptor.
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// Load the map into t0.
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__ ldr(t0, FieldMemOperand(t1, JSObject::kMapOffset));
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// Test the has_named_interceptor bit in the map.
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__ ldr(t0, FieldMemOperand(t1, Map::kInstanceAttributesOffset));
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__ tst(t0, Operand(1 << (Map::kHasNamedInterceptor + (3 * 8))));
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// Jump to miss if the interceptor bit is set.
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__ b(ne, miss_label);
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// Check that the properties array is a dictionary.
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__ ldr(t0, FieldMemOperand(t1, JSObject::kPropertiesOffset));
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__ ldr(r3, FieldMemOperand(t0, HeapObject::kMapOffset));
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__ cmp(r3, Operand(Factory::hash_table_map()));
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__ b(ne, miss_label);
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// Compute the capacity mask.
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const int kCapacityOffset =
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Array::kHeaderSize + Dictionary::kCapacityIndex * kPointerSize;
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__ ldr(r3, FieldMemOperand(t0, kCapacityOffset));
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__ mov(r3, Operand(r3, ASR, kSmiTagSize)); // convert smi to int
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__ sub(r3, r3, Operand(1));
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const int kElementsStartOffset =
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Array::kHeaderSize + Dictionary::kElementsStartIndex * kPointerSize;
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// Generate an unrolled loop that performs a few probes before
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// giving up. Measurements done on Gmail indicate that 2 probes
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// cover ~93% of loads from dictionaries.
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static const int kProbes = 4;
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for (int i = 0; i < kProbes; i++) {
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// Compute the masked index: (hash + i + i * i) & mask.
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__ ldr(t1, FieldMemOperand(r2, String::kLengthOffset));
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if (i > 0) __ add(t1, t1, Operand(Dictionary::GetProbeOffset(i)));
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__ and_(t1, t1, Operand(r3));
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// Scale the index by multiplying by the element size.
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ASSERT(Dictionary::kElementSize == 3);
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__ add(t1, t1, Operand(t1, LSL, 1)); // t1 = t1 * 3
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// Check if the key is identical to the name.
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__ add(t1, t0, Operand(t1, LSL, 2));
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__ ldr(ip, FieldMemOperand(t1, kElementsStartOffset));
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__ cmp(r2, Operand(ip));
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if (i != kProbes - 1) {
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__ b(eq, done_label);
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} else {
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__ b(ne, miss_label);
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}
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}
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// Check that the value is a normal property.
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__ bind(done_label); // t1 == t0 + 4*index
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__ ldr(r3, FieldMemOperand(t1, kElementsStartOffset + 2 * kPointerSize));
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__ tst(r3, Operand(PropertyDetails::TypeField::mask() << kSmiTagSize));
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__ b(ne, miss_label);
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// Get the value at the masked, scaled index and return.
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__ ldr(t1, FieldMemOperand(t1, kElementsStartOffset + 1 * kPointerSize));
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}
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void LoadIC::GenerateArrayLength(MacroAssembler* masm) {
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// ----------- S t a t e -------------
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// -- r2 : name
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// -- lr : return address
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// -- [sp] : receiver
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// -----------------------------------
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Label miss;
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2008-08-13 09:32:07 +00:00
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__ ldr(r0, MemOperand(sp, 0));
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2008-07-03 15:10:15 +00:00
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// Check that the receiver isn't a smi.
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__ tst(r0, Operand(kSmiTagMask));
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__ b(eq, &miss);
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// Check that the object is a JS array.
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__ ldr(r1, FieldMemOperand(r0, HeapObject::kMapOffset));
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__ ldrb(r1, FieldMemOperand(r1, Map::kInstanceTypeOffset));
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__ cmp(r1, Operand(JS_ARRAY_TYPE));
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__ b(ne, &miss);
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// Load length directly from the JS array.
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__ ldr(r0, FieldMemOperand(r0, JSArray::kLengthOffset));
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__ Ret();
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// Cache miss: Jump to runtime.
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__ bind(&miss);
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Handle<Code> ic(Builtins::builtin(Builtins::LoadIC_Miss));
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2008-09-22 13:57:03 +00:00
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__ Jump(ic, RelocInfo::CODE_TARGET);
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2008-07-03 15:10:15 +00:00
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}
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void LoadIC::GenerateShortStringLength(MacroAssembler* masm) {
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// ----------- S t a t e -------------
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// -- r2 : name
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// -- lr : return address
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// -- [sp] : receiver
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// -----------------------------------
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Label miss;
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2008-08-13 09:32:07 +00:00
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__ ldr(r0, MemOperand(sp, 0));
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2008-07-03 15:10:15 +00:00
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// Check that the receiver isn't a smi.
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__ tst(r0, Operand(kSmiTagMask));
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__ b(eq, &miss);
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// Check that the object is a short string.
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__ ldr(r1, FieldMemOperand(r0, HeapObject::kMapOffset));
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__ ldrb(r1, FieldMemOperand(r1, Map::kInstanceTypeOffset));
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__ and_(r1, r1, Operand(kIsNotStringMask | kStringSizeMask));
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// The cast is to resolve the overload for the argument of 0x0.
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__ cmp(r1, Operand(static_cast<int32_t>(kStringTag | kShortStringTag)));
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__ b(ne, &miss);
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// Load length directly from the string.
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__ ldr(r0, FieldMemOperand(r0, String::kLengthOffset));
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__ mov(r0, Operand(r0, LSR, String::kShortLengthShift));
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__ mov(r0, Operand(r0, LSL, kSmiTagSize));
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__ Ret();
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// Cache miss: Jump to runtime.
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__ bind(&miss);
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Handle<Code> ic(Builtins::builtin(Builtins::LoadIC_Miss));
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2008-09-22 13:57:03 +00:00
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__ Jump(ic, RelocInfo::CODE_TARGET);
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2008-07-03 15:10:15 +00:00
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}
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void LoadIC::GenerateMediumStringLength(MacroAssembler* masm) {
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// ----------- S t a t e -------------
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// -- r2 : name
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// -- lr : return address
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// -- [sp] : receiver
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// -----------------------------------
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Label miss;
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2008-08-13 09:32:07 +00:00
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__ ldr(r0, MemOperand(sp, 0));
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2008-07-03 15:10:15 +00:00
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// Check that the receiver isn't a smi.
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__ tst(r0, Operand(kSmiTagMask));
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__ b(eq, &miss);
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// Check that the object is a medium string.
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__ ldr(r1, FieldMemOperand(r0, HeapObject::kMapOffset));
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__ ldrb(r1, FieldMemOperand(r1, Map::kInstanceTypeOffset));
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__ and_(r1, r1, Operand(kIsNotStringMask | kStringSizeMask));
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__ cmp(r1, Operand(kStringTag | kMediumStringTag));
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__ b(ne, &miss);
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// Load length directly from the string.
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__ ldr(r0, FieldMemOperand(r0, String::kLengthOffset));
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__ mov(r0, Operand(r0, LSR, String::kMediumLengthShift));
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__ mov(r0, Operand(r0, LSL, kSmiTagSize));
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__ Ret();
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// Cache miss: Jump to runtime.
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__ bind(&miss);
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Handle<Code> ic(Builtins::builtin(Builtins::LoadIC_Miss));
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2008-09-22 13:57:03 +00:00
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__ Jump(ic, RelocInfo::CODE_TARGET);
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2008-07-03 15:10:15 +00:00
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}
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void LoadIC::GenerateLongStringLength(MacroAssembler* masm) {
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// ----------- S t a t e -------------
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// -- r2 : name
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// -- lr : return address
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// -- [sp] : receiver
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// -----------------------------------
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Label miss;
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2008-08-13 09:32:07 +00:00
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__ ldr(r0, MemOperand(sp, 0));
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2008-07-03 15:10:15 +00:00
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// Check that the receiver isn't a smi.
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__ tst(r0, Operand(kSmiTagMask));
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__ b(eq, &miss);
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// Check that the object is a long string.
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__ ldr(r1, FieldMemOperand(r0, HeapObject::kMapOffset));
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__ ldrb(r1, FieldMemOperand(r1, Map::kInstanceTypeOffset));
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__ and_(r1, r1, Operand(kIsNotStringMask | kStringSizeMask));
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__ cmp(r1, Operand(kStringTag | kLongStringTag));
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__ b(ne, &miss);
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// Load length directly from the string.
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__ ldr(r0, FieldMemOperand(r0, String::kLengthOffset));
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__ mov(r0, Operand(r0, LSR, String::kLongLengthShift));
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__ mov(r0, Operand(r0, LSL, kSmiTagSize));
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__ Ret();
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// Cache miss: Jump to runtime.
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__ bind(&miss);
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Handle<Code> ic(Builtins::builtin(Builtins::LoadIC_Miss));
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2008-09-22 13:57:03 +00:00
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__ Jump(ic, RelocInfo::CODE_TARGET);
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2008-07-03 15:10:15 +00:00
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}
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void LoadIC::GenerateFunctionPrototype(MacroAssembler* masm) {
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// ----------- S t a t e -------------
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// -- r2 : name
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// -- lr : return address
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// -- [sp] : receiver
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// -----------------------------------
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// NOTE: Right now, this code always misses on ARM which is
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// sub-optimal. We should port the fast case code from IA-32.
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Handle<Code> ic(Builtins::builtin(Builtins::LoadIC_Miss));
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2008-09-22 13:57:03 +00:00
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__ Jump(ic, RelocInfo::CODE_TARGET);
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2008-07-03 15:10:15 +00:00
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}
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// Defined in ic.cc.
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Object* CallIC_Miss(Arguments args);
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void CallIC::GenerateMegamorphic(MacroAssembler* masm, int argc) {
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// ----------- S t a t e -------------
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// -- lr: return address
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// -----------------------------------
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Label number, non_number, non_string, boolean, probe, miss;
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2008-08-13 09:32:07 +00:00
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// Get the receiver of the function from the stack into r1.
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__ ldr(r1, MemOperand(sp, argc * kPointerSize));
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2008-07-03 15:10:15 +00:00
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// Get the name of the function from the stack; 1 ~ receiver.
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2008-08-13 09:32:07 +00:00
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__ ldr(r2, MemOperand(sp, (argc + 1) * kPointerSize));
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2008-07-03 15:10:15 +00:00
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// Probe the stub cache.
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Code::Flags flags =
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Code::ComputeFlags(Code::CALL_IC, MONOMORPHIC, NORMAL, argc);
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StubCache::GenerateProbe(masm, flags, r1, r2, r3);
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// If the stub cache probing failed, the receiver might be a value.
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// For value objects, we use the map of the prototype objects for
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// the corresponding JSValue for the cache and that is what we need
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// to probe.
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//
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// Check for number.
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__ tst(r1, Operand(kSmiTagMask));
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__ b(eq, &number);
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__ ldr(r3, FieldMemOperand(r1, HeapObject::kMapOffset));
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__ ldrb(r3, FieldMemOperand(r3, Map::kInstanceTypeOffset));
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__ cmp(r3, Operand(HEAP_NUMBER_TYPE));
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__ b(ne, &non_number);
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__ bind(&number);
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StubCompiler::GenerateLoadGlobalFunctionPrototype(
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masm, Context::NUMBER_FUNCTION_INDEX, r1);
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__ b(&probe);
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// Check for string.
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__ bind(&non_number);
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__ cmp(r3, Operand(FIRST_NONSTRING_TYPE));
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__ b(hs, &non_string);
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StubCompiler::GenerateLoadGlobalFunctionPrototype(
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masm, Context::STRING_FUNCTION_INDEX, r1);
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__ b(&probe);
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// Check for boolean.
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__ bind(&non_string);
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__ cmp(r1, Operand(Factory::true_value()));
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__ b(eq, &boolean);
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__ cmp(r1, Operand(Factory::false_value()));
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__ b(ne, &miss);
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__ bind(&boolean);
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StubCompiler::GenerateLoadGlobalFunctionPrototype(
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masm, Context::BOOLEAN_FUNCTION_INDEX, r1);
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// Probe the stub cache for the value object.
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__ bind(&probe);
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StubCache::GenerateProbe(masm, flags, r1, r2, r3);
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// Cache miss: Jump to runtime.
|
|
|
|
__ bind(&miss);
|
|
|
|
Generate(masm, argc, ExternalReference(IC_Utility(kCallIC_Miss)));
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
void CallIC::GenerateNormal(MacroAssembler* masm, int argc) {
|
|
|
|
// ----------- S t a t e -------------
|
|
|
|
// -- lr: return address
|
|
|
|
// -----------------------------------
|
|
|
|
|
|
|
|
Label miss, probe, done, global;
|
|
|
|
|
2008-08-13 09:32:07 +00:00
|
|
|
// Get the receiver of the function from the stack into r1.
|
|
|
|
__ ldr(r1, MemOperand(sp, argc * kPointerSize));
|
2008-07-03 15:10:15 +00:00
|
|
|
// Get the name of the function from the stack; 1 ~ receiver.
|
2008-08-06 10:02:49 +00:00
|
|
|
__ ldr(r2, MemOperand(sp, (argc + 1) * kPointerSize));
|
2008-07-03 15:10:15 +00:00
|
|
|
|
|
|
|
// Check that the receiver isn't a smi.
|
|
|
|
__ tst(r1, Operand(kSmiTagMask));
|
|
|
|
__ b(eq, &miss);
|
|
|
|
|
|
|
|
// Check that the receiver is a valid JS object.
|
|
|
|
__ ldr(r0, FieldMemOperand(r1, HeapObject::kMapOffset));
|
|
|
|
__ ldrb(r0, FieldMemOperand(r0, Map::kInstanceTypeOffset));
|
|
|
|
__ cmp(r0, Operand(FIRST_JS_OBJECT_TYPE));
|
|
|
|
__ b(lt, &miss);
|
|
|
|
|
|
|
|
// If this assert fails, we have to check upper bound too.
|
|
|
|
ASSERT(LAST_TYPE == JS_FUNCTION_TYPE);
|
|
|
|
|
|
|
|
// Check for access to global object (unlikely).
|
|
|
|
__ cmp(r0, Operand(JS_GLOBAL_OBJECT_TYPE));
|
|
|
|
__ b(eq, &global);
|
|
|
|
|
|
|
|
// Search the dictionary placing the result in r1.
|
|
|
|
__ bind(&probe);
|
|
|
|
GenerateDictionaryLoad(masm, &done, &miss, r0, r1);
|
|
|
|
|
|
|
|
// Check that the value isn't a smi.
|
|
|
|
__ tst(r1, Operand(kSmiTagMask));
|
|
|
|
__ b(eq, &miss);
|
|
|
|
|
|
|
|
// Check that the value is a JSFunction.
|
|
|
|
__ ldr(r0, FieldMemOperand(r1, HeapObject::kMapOffset));
|
|
|
|
__ ldrb(r0, FieldMemOperand(r0, Map::kInstanceTypeOffset));
|
|
|
|
__ cmp(r0, Operand(JS_FUNCTION_TYPE));
|
|
|
|
__ b(ne, &miss);
|
|
|
|
|
|
|
|
// Patch the function on the stack; 1 ~ receiver.
|
2008-08-06 10:02:49 +00:00
|
|
|
__ str(r1, MemOperand(sp, (argc + 1) * kPointerSize));
|
2008-07-03 15:10:15 +00:00
|
|
|
|
2008-08-06 10:02:49 +00:00
|
|
|
// Invoke the function.
|
|
|
|
ParameterCount actual(argc);
|
|
|
|
__ InvokeFunction(r1, actual, JUMP_FUNCTION);
|
2008-07-03 15:10:15 +00:00
|
|
|
|
|
|
|
// Global object access: Check access rights.
|
|
|
|
__ bind(&global);
|
|
|
|
__ CheckAccessGlobal(r1, r0, &miss);
|
|
|
|
__ b(&probe);
|
|
|
|
|
2008-08-06 10:02:49 +00:00
|
|
|
// Cache miss: Jump to runtime.
|
2008-07-03 15:10:15 +00:00
|
|
|
__ bind(&miss);
|
|
|
|
Generate(masm, argc, ExternalReference(IC_Utility(kCallIC_Miss)));
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
void CallIC::Generate(MacroAssembler* masm,
|
|
|
|
int argc,
|
|
|
|
const ExternalReference& f) {
|
|
|
|
// ----------- S t a t e -------------
|
|
|
|
// -- lr: return address
|
|
|
|
// -----------------------------------
|
|
|
|
|
2008-09-12 03:29:06 +00:00
|
|
|
// Get the receiver of the function from the stack.
|
|
|
|
__ ldr(r2, MemOperand(sp, argc * kPointerSize));
|
|
|
|
// Get the name of the function to call from the stack.
|
|
|
|
__ ldr(r1, MemOperand(sp, (argc + 1) * kPointerSize));
|
|
|
|
|
|
|
|
__ EnterInternalFrame();
|
2008-07-03 15:10:15 +00:00
|
|
|
|
|
|
|
// Push the receiver and the name of the function.
|
2008-09-12 03:29:06 +00:00
|
|
|
__ stm(db_w, sp, r1.bit() | r2.bit());
|
2008-07-03 15:10:15 +00:00
|
|
|
|
|
|
|
// Call the entry.
|
2008-08-13 09:32:07 +00:00
|
|
|
__ mov(r0, Operand(2));
|
2008-07-03 15:10:15 +00:00
|
|
|
__ mov(r1, Operand(f));
|
|
|
|
|
|
|
|
CEntryStub stub;
|
|
|
|
__ CallStub(&stub);
|
|
|
|
|
2008-08-06 10:02:49 +00:00
|
|
|
// Move result to r1.
|
2008-07-03 15:10:15 +00:00
|
|
|
__ mov(r1, Operand(r0));
|
|
|
|
|
2008-09-12 03:29:06 +00:00
|
|
|
__ ExitInternalFrame();
|
2008-07-03 15:10:15 +00:00
|
|
|
|
|
|
|
// Patch the function on the stack; 1 ~ receiver.
|
2008-08-06 10:02:49 +00:00
|
|
|
__ str(r1, MemOperand(sp, (argc + 1) * kPointerSize));
|
2008-07-03 15:10:15 +00:00
|
|
|
|
2008-08-06 10:02:49 +00:00
|
|
|
// Invoke the function.
|
|
|
|
ParameterCount actual(argc);
|
|
|
|
__ InvokeFunction(r1, actual, JUMP_FUNCTION);
|
2008-07-03 15:10:15 +00:00
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
// Defined in ic.cc.
|
|
|
|
Object* LoadIC_Miss(Arguments args);
|
|
|
|
|
|
|
|
void LoadIC::GenerateMegamorphic(MacroAssembler* masm) {
|
|
|
|
// ----------- S t a t e -------------
|
|
|
|
// -- r2 : name
|
|
|
|
// -- lr : return address
|
|
|
|
// -- [sp] : receiver
|
|
|
|
// -----------------------------------
|
|
|
|
|
2008-08-13 09:32:07 +00:00
|
|
|
__ ldr(r0, MemOperand(sp, 0));
|
2008-07-03 15:10:15 +00:00
|
|
|
// Probe the stub cache.
|
|
|
|
Code::Flags flags = Code::ComputeFlags(Code::LOAD_IC, MONOMORPHIC);
|
|
|
|
StubCache::GenerateProbe(masm, flags, r0, r2, r3);
|
|
|
|
|
|
|
|
// Cache miss: Jump to runtime.
|
|
|
|
Generate(masm, ExternalReference(IC_Utility(kLoadIC_Miss)));
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
void LoadIC::GenerateNormal(MacroAssembler* masm) {
|
|
|
|
// ----------- S t a t e -------------
|
|
|
|
// -- r2 : name
|
|
|
|
// -- lr : return address
|
|
|
|
// -- [sp] : receiver
|
|
|
|
// -----------------------------------
|
|
|
|
|
|
|
|
Label miss, probe, done, global;
|
|
|
|
|
2008-08-13 09:32:07 +00:00
|
|
|
__ ldr(r0, MemOperand(sp, 0));
|
2008-07-03 15:10:15 +00:00
|
|
|
// Check that the receiver isn't a smi.
|
|
|
|
__ tst(r0, Operand(kSmiTagMask));
|
|
|
|
__ b(eq, &miss);
|
|
|
|
|
|
|
|
// Check that the receiver is a valid JS object.
|
|
|
|
__ ldr(r1, FieldMemOperand(r0, HeapObject::kMapOffset));
|
|
|
|
__ ldrb(r1, FieldMemOperand(r1, Map::kInstanceTypeOffset));
|
|
|
|
__ cmp(r1, Operand(FIRST_JS_OBJECT_TYPE));
|
|
|
|
__ b(lt, &miss);
|
|
|
|
// If this assert fails, we have to check upper bound too.
|
|
|
|
ASSERT(LAST_TYPE == JS_FUNCTION_TYPE);
|
|
|
|
|
|
|
|
// Check for access to global object (unlikely).
|
|
|
|
__ cmp(r1, Operand(JS_GLOBAL_OBJECT_TYPE));
|
|
|
|
__ b(eq, &global);
|
|
|
|
|
|
|
|
|
|
|
|
__ bind(&probe);
|
|
|
|
GenerateDictionaryLoad(masm, &done, &miss, r1, r0);
|
|
|
|
__ Ret();
|
|
|
|
|
|
|
|
// Global object access: Check access rights.
|
|
|
|
__ bind(&global);
|
|
|
|
__ CheckAccessGlobal(r0, r1, &miss);
|
|
|
|
__ b(&probe);
|
|
|
|
|
|
|
|
// Cache miss: Restore receiver from stack and jump to runtime.
|
|
|
|
__ bind(&miss);
|
|
|
|
Generate(masm, ExternalReference(IC_Utility(kLoadIC_Miss)));
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
void LoadIC::GenerateMiss(MacroAssembler* masm) {
|
|
|
|
Generate(masm, ExternalReference(IC_Utility(kLoadIC_Miss)));
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
void LoadIC::Generate(MacroAssembler* masm, const ExternalReference& f) {
|
|
|
|
// ----------- S t a t e -------------
|
|
|
|
// -- r2 : name
|
|
|
|
// -- lr : return address
|
|
|
|
// -- [sp] : receiver
|
|
|
|
// -----------------------------------
|
|
|
|
|
2008-08-13 09:32:07 +00:00
|
|
|
__ ldr(r0, MemOperand(sp, 0));
|
2008-07-03 15:10:15 +00:00
|
|
|
__ push(r0);
|
|
|
|
__ push(r2);
|
|
|
|
|
2008-08-13 09:32:07 +00:00
|
|
|
// Perform tail call to the entry.
|
|
|
|
__ TailCallRuntime(f, 2);
|
2008-07-03 15:10:15 +00:00
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
// TODO(1224671): ICs for keyed load/store is not implemented on ARM.
|
|
|
|
void KeyedLoadIC::GenerateMiss(MacroAssembler* masm) {
|
|
|
|
}
|
|
|
|
|
|
|
|
void KeyedLoadIC::Generate(MacroAssembler* masm, const ExternalReference& f) {
|
|
|
|
}
|
|
|
|
|
|
|
|
void KeyedLoadIC::GenerateGeneric(MacroAssembler* masm) {
|
|
|
|
}
|
|
|
|
|
|
|
|
void KeyedStoreIC::Generate(MacroAssembler* masm,
|
|
|
|
const ExternalReference& f) {
|
|
|
|
}
|
|
|
|
|
|
|
|
void KeyedStoreIC::GenerateGeneric(MacroAssembler* masm) {
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
// Defined in ic.cc.
|
|
|
|
Object* StoreIC_Miss(Arguments args);
|
|
|
|
|
|
|
|
void StoreIC::GenerateMegamorphic(MacroAssembler* masm) {
|
|
|
|
// ----------- S t a t e -------------
|
|
|
|
// -- r0 : value
|
|
|
|
// -- r2 : name
|
|
|
|
// -- lr : return address
|
|
|
|
// -- [sp] : receiver
|
|
|
|
// -----------------------------------
|
|
|
|
|
|
|
|
// Get the receiver from the stack and probe the stub cache.
|
|
|
|
__ ldr(r1, MemOperand(sp));
|
|
|
|
Code::Flags flags = Code::ComputeFlags(Code::STORE_IC, MONOMORPHIC);
|
|
|
|
StubCache::GenerateProbe(masm, flags, r1, r2, r3);
|
|
|
|
|
|
|
|
// Cache miss: Jump to runtime.
|
|
|
|
Generate(masm, ExternalReference(IC_Utility(kStoreIC_Miss)));
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
void StoreIC::Generate(MacroAssembler* masm, const ExternalReference& f) {
|
|
|
|
// ----------- S t a t e -------------
|
|
|
|
// -- r0 : value
|
|
|
|
// -- r2 : name
|
|
|
|
// -- lr : return address
|
|
|
|
// -- [sp] : receiver
|
|
|
|
// -----------------------------------
|
|
|
|
|
|
|
|
__ ldr(r3, MemOperand(sp)); // copy receiver
|
|
|
|
__ stm(db_w, sp, r0.bit() | r2.bit() | r3.bit());
|
|
|
|
|
2008-08-13 09:32:07 +00:00
|
|
|
// Perform tail call to the entry.
|
|
|
|
__ TailCallRuntime(f, 3);
|
2008-07-03 15:10:15 +00:00
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
#undef __
|
|
|
|
|
|
|
|
|
|
|
|
} } // namespace v8::internal
|