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1 // Copyright 2014 the V8 project authors. All rights reserved. | 1 // Copyright 2014 the V8 project authors. All rights reserved. |
2 // Use of this source code is governed by a BSD-style license that can be | 2 // Use of this source code is governed by a BSD-style license that can be |
3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
4 | 4 |
5 #include "src/v8.h" | 5 #include "src/v8.h" |
6 | 6 |
7 #if V8_TARGET_ARCH_PPC | 7 #if V8_TARGET_ARCH_PPC |
8 | 8 |
9 #include "src/base/bits.h" | 9 #include "src/base/bits.h" |
10 #include "src/bootstrapper.h" | 10 #include "src/bootstrapper.h" |
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104 | 104 |
105 void HydrogenCodeStub::GenerateLightweightMiss(MacroAssembler* masm, | 105 void HydrogenCodeStub::GenerateLightweightMiss(MacroAssembler* masm, |
106 ExternalReference miss) { | 106 ExternalReference miss) { |
107 // Update the static counter each time a new code stub is generated. | 107 // Update the static counter each time a new code stub is generated. |
108 isolate()->counters()->code_stubs()->Increment(); | 108 isolate()->counters()->code_stubs()->Increment(); |
109 | 109 |
110 CallInterfaceDescriptor descriptor = GetCallInterfaceDescriptor(); | 110 CallInterfaceDescriptor descriptor = GetCallInterfaceDescriptor(); |
111 int param_count = descriptor.GetEnvironmentParameterCount(); | 111 int param_count = descriptor.GetEnvironmentParameterCount(); |
112 { | 112 { |
113 // Call the runtime system in a fresh internal frame. | 113 // Call the runtime system in a fresh internal frame. |
114 FrameScope scope(masm, StackFrame::INTERNAL); | 114 FrameAndConstantPoolScope scope(masm, StackFrame::INTERNAL); |
115 DCHECK(param_count == 0 || | 115 DCHECK(param_count == 0 || |
116 r3.is(descriptor.GetEnvironmentParameterRegister(param_count - 1))); | 116 r3.is(descriptor.GetEnvironmentParameterRegister(param_count - 1))); |
117 // Push arguments | 117 // Push arguments |
118 for (int i = 0; i < param_count; ++i) { | 118 for (int i = 0; i < param_count; ++i) { |
119 __ push(descriptor.GetEnvironmentParameterRegister(i)); | 119 __ push(descriptor.GetEnvironmentParameterRegister(i)); |
120 } | 120 } |
121 __ CallExternalReference(miss, param_count); | 121 __ CallExternalReference(miss, param_count); |
122 } | 122 } |
123 | 123 |
124 __ Ret(); | 124 __ Ret(); |
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1175 | 1175 |
1176 // If the handler is a JS frame, restore the context to the frame. Note that | 1176 // If the handler is a JS frame, restore the context to the frame. Note that |
1177 // the context will be set to (cp == 0) for non-JS frames. | 1177 // the context will be set to (cp == 0) for non-JS frames. |
1178 Label skip; | 1178 Label skip; |
1179 __ cmpi(cp, Operand::Zero()); | 1179 __ cmpi(cp, Operand::Zero()); |
1180 __ beq(&skip); | 1180 __ beq(&skip); |
1181 __ StoreP(cp, MemOperand(fp, StandardFrameConstants::kContextOffset)); | 1181 __ StoreP(cp, MemOperand(fp, StandardFrameConstants::kContextOffset)); |
1182 __ bind(&skip); | 1182 __ bind(&skip); |
1183 | 1183 |
1184 // Compute the handler entry address and jump to it. | 1184 // Compute the handler entry address and jump to it. |
| 1185 ConstantPoolUnavailableScope constant_pool_unavailable(masm); |
1185 __ mov(r4, Operand(pending_handler_code_address)); | 1186 __ mov(r4, Operand(pending_handler_code_address)); |
1186 __ LoadP(r4, MemOperand(r4)); | 1187 __ LoadP(r4, MemOperand(r4)); |
1187 __ mov(r5, Operand(pending_handler_offset_address)); | 1188 __ mov(r5, Operand(pending_handler_offset_address)); |
1188 __ LoadP(r5, MemOperand(r5)); | 1189 __ LoadP(r5, MemOperand(r5)); |
1189 __ addi(r4, r4, Operand(Code::kHeaderSize - kHeapObjectTag)); // Code start | 1190 __ addi(r4, r4, Operand(Code::kHeaderSize - kHeapObjectTag)); // Code start |
| 1191 if (FLAG_enable_embedded_constant_pool) { |
| 1192 __ LoadConstantPoolPointerRegisterFromCodeTargetAddress(r4); |
| 1193 } |
1190 __ add(ip, r4, r5); | 1194 __ add(ip, r4, r5); |
1191 __ Jump(ip); | 1195 __ Jump(ip); |
1192 } | 1196 } |
1193 | 1197 |
1194 | 1198 |
1195 void JSEntryStub::Generate(MacroAssembler* masm) { | 1199 void JSEntryStub::Generate(MacroAssembler* masm) { |
1196 // r3: code entry | 1200 // r3: code entry |
1197 // r4: function | 1201 // r4: function |
1198 // r5: receiver | 1202 // r5: receiver |
1199 // r6: argc | 1203 // r6: argc |
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1221 // __ lwz(r7, MemOperand(sp, offset_to_argv)); | 1225 // __ lwz(r7, MemOperand(sp, offset_to_argv)); |
1222 | 1226 |
1223 // Push a frame with special values setup to mark it as an entry frame. | 1227 // Push a frame with special values setup to mark it as an entry frame. |
1224 // r3: code entry | 1228 // r3: code entry |
1225 // r4: function | 1229 // r4: function |
1226 // r5: receiver | 1230 // r5: receiver |
1227 // r6: argc | 1231 // r6: argc |
1228 // r7: argv | 1232 // r7: argv |
1229 __ li(r0, Operand(-1)); // Push a bad frame pointer to fail if it is used. | 1233 __ li(r0, Operand(-1)); // Push a bad frame pointer to fail if it is used. |
1230 __ push(r0); | 1234 __ push(r0); |
| 1235 if (FLAG_enable_embedded_constant_pool) { |
| 1236 __ li(kConstantPoolRegister, Operand::Zero()); |
| 1237 __ push(kConstantPoolRegister); |
| 1238 } |
1231 int marker = type(); | 1239 int marker = type(); |
1232 __ LoadSmiLiteral(r0, Smi::FromInt(marker)); | 1240 __ LoadSmiLiteral(r0, Smi::FromInt(marker)); |
1233 __ push(r0); | 1241 __ push(r0); |
1234 __ push(r0); | 1242 __ push(r0); |
1235 // Save copies of the top frame descriptor on the stack. | 1243 // Save copies of the top frame descriptor on the stack. |
1236 __ mov(r8, Operand(ExternalReference(Isolate::kCEntryFPAddress, isolate()))); | 1244 __ mov(r8, Operand(ExternalReference(Isolate::kCEntryFPAddress, isolate()))); |
1237 __ LoadP(r0, MemOperand(r8)); | 1245 __ LoadP(r0, MemOperand(r8)); |
1238 __ push(r0); | 1246 __ push(r0); |
1239 | 1247 |
1240 // Set up frame pointer for the frame to be pushed. | 1248 // Set up frame pointer for the frame to be pushed. |
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1535 | 1543 |
1536 // Slow-case. Tail call builtin. | 1544 // Slow-case. Tail call builtin. |
1537 __ bind(&slow); | 1545 __ bind(&slow); |
1538 if (!ReturnTrueFalseObject()) { | 1546 if (!ReturnTrueFalseObject()) { |
1539 if (HasArgsInRegisters()) { | 1547 if (HasArgsInRegisters()) { |
1540 __ Push(r3, r4); | 1548 __ Push(r3, r4); |
1541 } | 1549 } |
1542 __ InvokeBuiltin(Builtins::INSTANCE_OF, JUMP_FUNCTION); | 1550 __ InvokeBuiltin(Builtins::INSTANCE_OF, JUMP_FUNCTION); |
1543 } else { | 1551 } else { |
1544 { | 1552 { |
1545 FrameScope scope(masm, StackFrame::INTERNAL); | 1553 FrameAndConstantPoolScope scope(masm, StackFrame::INTERNAL); |
1546 __ Push(r3, r4); | 1554 __ Push(r3, r4); |
1547 __ InvokeBuiltin(Builtins::INSTANCE_OF, CALL_FUNCTION); | 1555 __ InvokeBuiltin(Builtins::INSTANCE_OF, CALL_FUNCTION); |
1548 } | 1556 } |
1549 if (CpuFeatures::IsSupported(ISELECT)) { | 1557 if (CpuFeatures::IsSupported(ISELECT)) { |
1550 __ cmpi(r3, Operand::Zero()); | 1558 __ cmpi(r3, Operand::Zero()); |
1551 __ LoadRoot(r3, Heap::kTrueValueRootIndex); | 1559 __ LoadRoot(r3, Heap::kTrueValueRootIndex); |
1552 __ LoadRoot(r4, Heap::kFalseValueRootIndex); | 1560 __ LoadRoot(r4, Heap::kFalseValueRootIndex); |
1553 __ isel(eq, r3, r3, r4); | 1561 __ isel(eq, r3, r3, r4); |
1554 } else { | 1562 } else { |
1555 Label true_value, done; | 1563 Label true_value, done; |
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2546 __ b(&check_underlying); // Go to (4). | 2554 __ b(&check_underlying); // Go to (4). |
2547 #endif // V8_INTERPRETED_REGEXP | 2555 #endif // V8_INTERPRETED_REGEXP |
2548 } | 2556 } |
2549 | 2557 |
2550 | 2558 |
2551 static void CallStubInRecordCallTarget(MacroAssembler* masm, CodeStub* stub) { | 2559 static void CallStubInRecordCallTarget(MacroAssembler* masm, CodeStub* stub) { |
2552 // r3 : number of arguments to the construct function | 2560 // r3 : number of arguments to the construct function |
2553 // r5 : Feedback vector | 2561 // r5 : Feedback vector |
2554 // r6 : slot in feedback vector (Smi) | 2562 // r6 : slot in feedback vector (Smi) |
2555 // r4 : the function to call | 2563 // r4 : the function to call |
2556 FrameScope scope(masm, StackFrame::INTERNAL); | 2564 FrameAndConstantPoolScope scope(masm, StackFrame::INTERNAL); |
2557 | 2565 |
2558 // Number-of-arguments register must be smi-tagged to call out. | 2566 // Number-of-arguments register must be smi-tagged to call out. |
2559 __ SmiTag(r3); | 2567 __ SmiTag(r3); |
2560 __ Push(r6, r5, r4, r3); | 2568 __ Push(r6, r5, r4, r3); |
2561 | 2569 |
2562 __ CallStub(stub); | 2570 __ CallStub(stub); |
2563 | 2571 |
2564 __ Pop(r6, r5, r4, r3); | 2572 __ Pop(r6, r5, r4, r3); |
2565 __ SmiUntag(r3); | 2573 __ SmiUntag(r3); |
2566 } | 2574 } |
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2710 __ li(r5, Operand::Zero()); | 2718 __ li(r5, Operand::Zero()); |
2711 __ GetBuiltinFunction(r4, Builtins::CALL_NON_FUNCTION); | 2719 __ GetBuiltinFunction(r4, Builtins::CALL_NON_FUNCTION); |
2712 __ Jump(masm->isolate()->builtins()->ArgumentsAdaptorTrampoline(), | 2720 __ Jump(masm->isolate()->builtins()->ArgumentsAdaptorTrampoline(), |
2713 RelocInfo::CODE_TARGET); | 2721 RelocInfo::CODE_TARGET); |
2714 } | 2722 } |
2715 | 2723 |
2716 | 2724 |
2717 static void EmitWrapCase(MacroAssembler* masm, int argc, Label* cont) { | 2725 static void EmitWrapCase(MacroAssembler* masm, int argc, Label* cont) { |
2718 // Wrap the receiver and patch it back onto the stack. | 2726 // Wrap the receiver and patch it back onto the stack. |
2719 { | 2727 { |
2720 FrameScope frame_scope(masm, StackFrame::INTERNAL); | 2728 FrameAndConstantPoolScope frame_scope(masm, StackFrame::INTERNAL); |
2721 __ Push(r4, r6); | 2729 __ Push(r4, r6); |
2722 __ InvokeBuiltin(Builtins::TO_OBJECT, CALL_FUNCTION); | 2730 __ InvokeBuiltin(Builtins::TO_OBJECT, CALL_FUNCTION); |
2723 __ pop(r4); | 2731 __ pop(r4); |
2724 } | 2732 } |
2725 __ StoreP(r3, MemOperand(sp, argc * kPointerSize), r0); | 2733 __ StoreP(r3, MemOperand(sp, argc * kPointerSize), r0); |
2726 __ b(cont); | 2734 __ b(cont); |
2727 } | 2735 } |
2728 | 2736 |
2729 | 2737 |
2730 static void CallFunctionNoFeedback(MacroAssembler* masm, int argc, | 2738 static void CallFunctionNoFeedback(MacroAssembler* masm, int argc, |
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3028 // Update stats. | 3036 // Update stats. |
3029 __ LoadP(r7, FieldMemOperand(r5, with_types_offset)); | 3037 __ LoadP(r7, FieldMemOperand(r5, with_types_offset)); |
3030 __ AddSmiLiteral(r7, r7, Smi::FromInt(1), r0); | 3038 __ AddSmiLiteral(r7, r7, Smi::FromInt(1), r0); |
3031 __ StoreP(r7, FieldMemOperand(r5, with_types_offset), r0); | 3039 __ StoreP(r7, FieldMemOperand(r5, with_types_offset), r0); |
3032 | 3040 |
3033 // Store the function. Use a stub since we need a frame for allocation. | 3041 // Store the function. Use a stub since we need a frame for allocation. |
3034 // r5 - vector | 3042 // r5 - vector |
3035 // r6 - slot | 3043 // r6 - slot |
3036 // r4 - function | 3044 // r4 - function |
3037 { | 3045 { |
3038 FrameScope scope(masm, StackFrame::INTERNAL); | 3046 FrameAndConstantPoolScope scope(masm, StackFrame::INTERNAL); |
3039 CreateWeakCellStub create_stub(masm->isolate()); | 3047 CreateWeakCellStub create_stub(masm->isolate()); |
3040 __ Push(r4); | 3048 __ Push(r4); |
3041 __ CallStub(&create_stub); | 3049 __ CallStub(&create_stub); |
3042 __ Pop(r4); | 3050 __ Pop(r4); |
3043 } | 3051 } |
3044 | 3052 |
3045 __ b(&have_js_function); | 3053 __ b(&have_js_function); |
3046 | 3054 |
3047 // We are here because tracing is on or we encountered a MISS case we can't | 3055 // We are here because tracing is on or we encountered a MISS case we can't |
3048 // handle here. | 3056 // handle here. |
3049 __ bind(&miss); | 3057 __ bind(&miss); |
3050 GenerateMiss(masm); | 3058 GenerateMiss(masm); |
3051 | 3059 |
3052 // the slow case | 3060 // the slow case |
3053 __ bind(&slow_start); | 3061 __ bind(&slow_start); |
3054 // Check that the function is really a JavaScript function. | 3062 // Check that the function is really a JavaScript function. |
3055 // r4: pushed function (to be verified) | 3063 // r4: pushed function (to be verified) |
3056 __ JumpIfSmi(r4, &non_function); | 3064 __ JumpIfSmi(r4, &non_function); |
3057 | 3065 |
3058 // Goto slow case if we do not have a function. | 3066 // Goto slow case if we do not have a function. |
3059 __ CompareObjectType(r4, r7, r7, JS_FUNCTION_TYPE); | 3067 __ CompareObjectType(r4, r7, r7, JS_FUNCTION_TYPE); |
3060 __ bne(&slow); | 3068 __ bne(&slow); |
3061 __ b(&have_js_function); | 3069 __ b(&have_js_function); |
3062 } | 3070 } |
3063 | 3071 |
3064 | 3072 |
3065 void CallICStub::GenerateMiss(MacroAssembler* masm) { | 3073 void CallICStub::GenerateMiss(MacroAssembler* masm) { |
3066 FrameScope scope(masm, StackFrame::INTERNAL); | 3074 FrameAndConstantPoolScope scope(masm, StackFrame::INTERNAL); |
3067 | 3075 |
3068 // Push the function and feedback info. | 3076 // Push the function and feedback info. |
3069 __ Push(r4, r5, r6); | 3077 __ Push(r4, r5, r6); |
3070 | 3078 |
3071 // Call the entry. | 3079 // Call the entry. |
3072 IC::UtilityId id = GetICState() == DEFAULT ? IC::kCallIC_Miss | 3080 IC::UtilityId id = GetICState() == DEFAULT ? IC::kCallIC_Miss |
3073 : IC::kCallIC_Customization_Miss; | 3081 : IC::kCallIC_Customization_Miss; |
3074 | 3082 |
3075 ExternalReference miss = ExternalReference(IC_Utility(id), masm->isolate()); | 3083 ExternalReference miss = ExternalReference(IC_Utility(id), masm->isolate()); |
3076 __ CallExternalReference(miss, 3); | 3084 __ CallExternalReference(miss, 3); |
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4025 GenerateMiss(masm); | 4033 GenerateMiss(masm); |
4026 } | 4034 } |
4027 | 4035 |
4028 | 4036 |
4029 void CompareICStub::GenerateMiss(MacroAssembler* masm) { | 4037 void CompareICStub::GenerateMiss(MacroAssembler* masm) { |
4030 { | 4038 { |
4031 // Call the runtime system in a fresh internal frame. | 4039 // Call the runtime system in a fresh internal frame. |
4032 ExternalReference miss = | 4040 ExternalReference miss = |
4033 ExternalReference(IC_Utility(IC::kCompareIC_Miss), isolate()); | 4041 ExternalReference(IC_Utility(IC::kCompareIC_Miss), isolate()); |
4034 | 4042 |
4035 FrameScope scope(masm, StackFrame::INTERNAL); | 4043 FrameAndConstantPoolScope scope(masm, StackFrame::INTERNAL); |
4036 __ Push(r4, r3); | 4044 __ Push(r4, r3); |
4037 __ Push(r4, r3); | 4045 __ Push(r4, r3); |
4038 __ LoadSmiLiteral(r0, Smi::FromInt(op())); | 4046 __ LoadSmiLiteral(r0, Smi::FromInt(op())); |
4039 __ push(r0); | 4047 __ push(r0); |
4040 __ CallExternalReference(miss, 3); | 4048 __ CallExternalReference(miss, 3); |
4041 // Compute the entry point of the rewritten stub. | 4049 // Compute the entry point of the rewritten stub. |
4042 __ addi(r5, r3, Operand(Code::kHeaderSize - kHeapObjectTag)); | 4050 __ addi(r5, r3, Operand(Code::kHeaderSize - kHeapObjectTag)); |
4043 // Restore registers. | 4051 // Restore registers. |
4044 __ Pop(r4, r3); | 4052 __ Pop(r4, r3); |
4045 } | 4053 } |
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5656 kStackUnwindSpace, NULL, | 5664 kStackUnwindSpace, NULL, |
5657 MemOperand(fp, 6 * kPointerSize), NULL); | 5665 MemOperand(fp, 6 * kPointerSize), NULL); |
5658 } | 5666 } |
5659 | 5667 |
5660 | 5668 |
5661 #undef __ | 5669 #undef __ |
5662 } // namespace internal | 5670 } // namespace internal |
5663 } // namespace v8 | 5671 } // namespace v8 |
5664 | 5672 |
5665 #endif // V8_TARGET_ARCH_PPC | 5673 #endif // V8_TARGET_ARCH_PPC |
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