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Issue 1248303002: Unify runtime-style IC functions with Runtime intrinsics (Closed) Base URL: https://chromium.googlesource.com/v8/v8.git@master
Patch Set: Make mips work Created 5 years, 5 months ago
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1 // Copyright 2012 the V8 project authors. All rights reserved. 1 // Copyright 2012 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 <limits.h> // For LONG_MIN, LONG_MAX. 5 #include <limits.h> // For LONG_MIN, LONG_MAX.
6 6
7 #include "src/v8.h" 7 #include "src/v8.h"
8 8
9 #if V8_TARGET_ARCH_MIPS 9 #if V8_TARGET_ARCH_MIPS
10 10
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3280 3280
3281 3281
3282 void MacroAssembler::Push(Handle<Object> handle) { 3282 void MacroAssembler::Push(Handle<Object> handle) {
3283 li(at, Operand(handle)); 3283 li(at, Operand(handle));
3284 push(at); 3284 push(at);
3285 } 3285 }
3286 3286
3287 3287
3288 void MacroAssembler::DebugBreak() { 3288 void MacroAssembler::DebugBreak() {
3289 PrepareCEntryArgs(0); 3289 PrepareCEntryArgs(0);
3290 PrepareCEntryFunction(ExternalReference(Runtime::kDebugBreak, isolate())); 3290 PrepareCEntryFunction(
3291 ExternalReference(Runtime::kHandleDebuggerStatement, isolate()));
3291 CEntryStub ces(isolate(), 1); 3292 CEntryStub ces(isolate(), 1);
3292 DCHECK(AllowThisStubCall(&ces)); 3293 DCHECK(AllowThisStubCall(&ces));
3293 Call(ces.GetCode(), RelocInfo::DEBUGGER_STATEMENT); 3294 Call(ces.GetCode(), RelocInfo::DEBUGGER_STATEMENT);
3294 } 3295 }
3295 3296
3296 3297
3297 // --------------------------------------------------------------------------- 3298 // ---------------------------------------------------------------------------
3298 // Exception handling. 3299 // Exception handling.
3299 3300
3300 void MacroAssembler::PushStackHandler() { 3301 void MacroAssembler::PushStackHandler() {
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4552 and_(overflow_dst, scratch, overflow_dst); 4553 and_(overflow_dst, scratch, overflow_dst);
4553 } else { 4554 } else {
4554 subu(dst, left, right); 4555 subu(dst, left, right);
4555 xor_(overflow_dst, dst, left); 4556 xor_(overflow_dst, dst, left);
4556 xor_(scratch, left, right); 4557 xor_(scratch, left, right);
4557 and_(overflow_dst, scratch, overflow_dst); 4558 and_(overflow_dst, scratch, overflow_dst);
4558 } 4559 }
4559 } 4560 }
4560 4561
4561 4562
4562 void MacroAssembler::CallRuntime(const Runtime::Function* f, 4563 void MacroAssembler::CallRuntime(const Runtime::Function* f, int num_arguments,
4563 int num_arguments, 4564 SaveFPRegsMode save_doubles,
4564 SaveFPRegsMode save_doubles) { 4565 BranchDelaySlot bd) {
4565 // All parameters are on the stack. v0 has the return value after call. 4566 // All parameters are on the stack. v0 has the return value after call.
4566 4567
4567 // If the expected number of arguments of the runtime function is 4568 // If the expected number of arguments of the runtime function is
4568 // constant, we check that the actual number of arguments match the 4569 // constant, we check that the actual number of arguments match the
4569 // expectation. 4570 // expectation.
4570 CHECK(f->nargs < 0 || f->nargs == num_arguments); 4571 CHECK(f->nargs < 0 || f->nargs == num_arguments);
4571 4572
4572 // TODO(1236192): Most runtime routines don't need the number of 4573 // TODO(1236192): Most runtime routines don't need the number of
4573 // arguments passed in because it is constant. At some point we 4574 // arguments passed in because it is constant. At some point we
4574 // should remove this need and make the runtime routine entry code 4575 // should remove this need and make the runtime routine entry code
4575 // smarter. 4576 // smarter.
4576 PrepareCEntryArgs(num_arguments); 4577 PrepareCEntryArgs(num_arguments);
4577 PrepareCEntryFunction(ExternalReference(f, isolate())); 4578 PrepareCEntryFunction(ExternalReference(f, isolate()));
4578 CEntryStub stub(isolate(), 1, save_doubles); 4579 CEntryStub stub(isolate(), 1, save_doubles);
4579 CallStub(&stub); 4580 CallStub(&stub, TypeFeedbackId::None(), al, zero_reg, Operand(zero_reg), bd);
4580 } 4581 }
4581 4582
4582 4583
4583 void MacroAssembler::CallExternalReference(const ExternalReference& ext, 4584 void MacroAssembler::CallExternalReference(const ExternalReference& ext,
4584 int num_arguments, 4585 int num_arguments,
4585 BranchDelaySlot bd) { 4586 BranchDelaySlot bd) {
4586 PrepareCEntryArgs(num_arguments); 4587 PrepareCEntryArgs(num_arguments);
4587 PrepareCEntryFunction(ext); 4588 PrepareCEntryFunction(ext);
4588 4589
4589 CEntryStub stub(isolate(), 1); 4590 CEntryStub stub(isolate(), 1);
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6115 if (mag.shift > 0) sra(result, result, mag.shift); 6116 if (mag.shift > 0) sra(result, result, mag.shift);
6116 srl(at, dividend, 31); 6117 srl(at, dividend, 31);
6117 Addu(result, result, Operand(at)); 6118 Addu(result, result, Operand(at));
6118 } 6119 }
6119 6120
6120 6121
6121 } // namespace internal 6122 } // namespace internal
6122 } // namespace v8 6123 } // namespace v8
6123 6124
6124 #endif // V8_TARGET_ARCH_MIPS 6125 #endif // V8_TARGET_ARCH_MIPS
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