Revision: 20155
Author: [email protected]
Date: Fri Mar 21 11:02:15 2014 UTC
Log: Ensure that lazy deopt sequence does not override calls.
BUG=354433
LOG=N
TEST=mjsunit/regress/regress-354433.js
[email protected]
Review URL: https://codereview.chromium.org/198463006
http://code.google.com/p/v8/source/detail?r=20155
Added:
/branches/bleeding_edge/test/mjsunit/regress/regress-354433.js
Modified:
/branches/bleeding_edge/src/arm/lithium-codegen-arm.cc
/branches/bleeding_edge/src/arm64/lithium-codegen-arm64.cc
/branches/bleeding_edge/src/ia32/lithium-codegen-ia32.cc
/branches/bleeding_edge/src/mips/lithium-codegen-mips.cc
/branches/bleeding_edge/src/x64/lithium-codegen-x64.cc
=======================================
--- /dev/null
+++ /branches/bleeding_edge/test/mjsunit/regress/regress-354433.js Fri Mar
21 11:02:15 2014 UTC
@@ -0,0 +1,54 @@
+// Copyright 2014 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.
+
+// Flags: --allow-natives-syntax
+
+var __v_0 = {};
+var __v_5 = {};
+function __f_2() {
+ this.__defineGetter__('str', function() { return __f_2(this); });
+ this.str = "1";
+ this.toString = function() {
+ return this.str;
+ };
+};
+
+__v_5 = new __f_2();
+__v_0 = new __f_2();
+
+function __f_5(fun,a,b) {
+ __v_5.str = a;
+ __v_0.str = b;
+ fun(__v_5, __v_0);
+}
+
+function __f_8(a,b) { return a%b };
+
+__f_5(__f_8, 1 << 30, 1);
+__f_5(__f_8, 1, 1 << 30);
+%OptimizeFunctionOnNextCall(__f_8);
+__f_5(__f_8, 1, 1 << 30);
=======================================
--- /branches/bleeding_edge/src/arm/lithium-codegen-arm.cc Thu Mar 20
13:10:23 2014 UTC
+++ /branches/bleeding_edge/src/arm/lithium-codegen-arm.cc Fri Mar 21
11:02:15 2014 UTC
@@ -269,6 +269,9 @@
void LCodeGen::GenerateBodyInstructionPre(LInstruction* instr) {
+ if (instr->IsCall()) {
+ EnsureSpaceForLazyDeopt(Deoptimizer::patch_size());
+ }
if (!instr->IsLazyBailout() && !instr->IsGap()) {
safepoints_.BumpLastLazySafepointIndex();
}
@@ -5533,7 +5536,7 @@
void LCodeGen::DoLazyBailout(LLazyBailout* instr) {
- EnsureSpaceForLazyDeopt(Deoptimizer::patch_size());
+ last_lazy_deopt_pc_ = masm()->pc_offset();
ASSERT(instr->HasEnvironment());
LEnvironment* env = instr->environment();
RegisterEnvironmentForDeoptimization(env, Safepoint::kLazyDeopt);
@@ -5607,10 +5610,7 @@
CallCode(isolate()->builtins()->StackCheck(),
RelocInfo::CODE_TARGET,
instr);
- EnsureSpaceForLazyDeopt(Deoptimizer::patch_size());
__ bind(&done);
- RegisterEnvironmentForDeoptimization(env, Safepoint::kLazyDeopt);
- safepoints_.RecordLazyDeoptimizationIndex(env->deoptimization_index());
} else {
ASSERT(instr->hydrogen()->is_backwards_branch());
// Perform stack overflow check if this goto needs it before jumping.
=======================================
--- /branches/bleeding_edge/src/arm64/lithium-codegen-arm64.cc Fri Mar 21
09:28:26 2014 UTC
+++ /branches/bleeding_edge/src/arm64/lithium-codegen-arm64.cc Fri Mar 21
11:02:15 2014 UTC
@@ -770,6 +770,9 @@
void LCodeGen::GenerateBodyInstructionPre(LInstruction* instr) {
+ if (instr->IsCall()) {
+ EnsureSpaceForLazyDeopt(Deoptimizer::patch_size());
+ }
if (!instr->IsLazyBailout() && !instr->IsGap()) {
safepoints_.BumpLastLazySafepointIndex();
}
@@ -2549,7 +2552,7 @@
void LCodeGen::DoLazyBailout(LLazyBailout* instr) {
- EnsureSpaceForLazyDeopt(Deoptimizer::patch_size());
+ last_lazy_deopt_pc_ = masm()->pc_offset();
ASSERT(instr->HasEnvironment());
LEnvironment* env = instr->environment();
RegisterEnvironmentForDeoptimization(env, Safepoint::kLazyDeopt);
@@ -4942,11 +4945,7 @@
CallCode(isolate()->builtins()->StackCheck(),
RelocInfo::CODE_TARGET,
instr);
- EnsureSpaceForLazyDeopt(Deoptimizer::patch_size());
-
__ Bind(&done);
- RegisterEnvironmentForDeoptimization(env, Safepoint::kLazyDeopt);
- safepoints_.RecordLazyDeoptimizationIndex(env->deoptimization_index());
} else {
ASSERT(instr->hydrogen()->is_backwards_branch());
// Perform stack overflow check if this goto needs it before jumping.
=======================================
--- /branches/bleeding_edge/src/ia32/lithium-codegen-ia32.cc Thu Mar 20
13:10:23 2014 UTC
+++ /branches/bleeding_edge/src/ia32/lithium-codegen-ia32.cc Fri Mar 21
11:02:15 2014 UTC
@@ -390,6 +390,9 @@
void LCodeGen::GenerateBodyInstructionPre(LInstruction* instr) {
+ if (instr->IsCall()) {
+ EnsureSpaceForLazyDeopt(Deoptimizer::patch_size());
+ }
if (!instr->IsLazyBailout() && !instr->IsGap()) {
safepoints_.BumpLastLazySafepointIndex();
}
@@ -6151,7 +6154,7 @@
void LCodeGen::DoLazyBailout(LLazyBailout* instr) {
- EnsureSpaceForLazyDeopt(Deoptimizer::patch_size());
+ last_lazy_deopt_pc_ = masm()->pc_offset();
ASSERT(instr->HasEnvironment());
LEnvironment* env = instr->environment();
RegisterEnvironmentForDeoptimization(env, Safepoint::kLazyDeopt);
@@ -6227,10 +6230,7 @@
CallCode(isolate()->builtins()->StackCheck(),
RelocInfo::CODE_TARGET,
instr);
- EnsureSpaceForLazyDeopt(Deoptimizer::patch_size());
__ bind(&done);
- RegisterEnvironmentForDeoptimization(env, Safepoint::kLazyDeopt);
- safepoints_.RecordLazyDeoptimizationIndex(env->deoptimization_index());
} else {
ASSERT(instr->hydrogen()->is_backwards_branch());
// Perform stack overflow check if this goto needs it before jumping.
=======================================
--- /branches/bleeding_edge/src/mips/lithium-codegen-mips.cc Thu Mar 20
16:04:51 2014 UTC
+++ /branches/bleeding_edge/src/mips/lithium-codegen-mips.cc Fri Mar 21
11:02:15 2014 UTC
@@ -260,6 +260,9 @@
void LCodeGen::GenerateBodyInstructionPre(LInstruction* instr) {
+ if (instr->IsCall()) {
+ EnsureSpaceForLazyDeopt(Deoptimizer::patch_size());
+ }
if (!instr->IsLazyBailout() && !instr->IsGap()) {
safepoints_.BumpLastLazySafepointIndex();
}
@@ -5614,7 +5617,7 @@
void LCodeGen::DoLazyBailout(LLazyBailout* instr) {
- EnsureSpaceForLazyDeopt(Deoptimizer::patch_size());
+ last_lazy_deopt_pc_ = masm()->pc_offset();
ASSERT(instr->HasEnvironment());
LEnvironment* env = instr->environment();
RegisterEnvironmentForDeoptimization(env, Safepoint::kLazyDeopt);
@@ -5686,10 +5689,7 @@
CallCode(isolate()->builtins()->StackCheck(),
RelocInfo::CODE_TARGET,
instr);
- EnsureSpaceForLazyDeopt(Deoptimizer::patch_size());
__ bind(&done);
- RegisterEnvironmentForDeoptimization(env, Safepoint::kLazyDeopt);
- safepoints_.RecordLazyDeoptimizationIndex(env->deoptimization_index());
} else {
ASSERT(instr->hydrogen()->is_backwards_branch());
// Perform stack overflow check if this goto needs it before jumping.
=======================================
--- /branches/bleeding_edge/src/x64/lithium-codegen-x64.cc Fri Mar 21
02:42:10 2014 UTC
+++ /branches/bleeding_edge/src/x64/lithium-codegen-x64.cc Fri Mar 21
11:02:15 2014 UTC
@@ -274,6 +274,9 @@
void LCodeGen::GenerateBodyInstructionPre(LInstruction* instr) {
+ if (instr->IsCall()) {
+ EnsureSpaceForLazyDeopt(Deoptimizer::patch_size());
+ }
if (!instr->IsLazyBailout() && !instr->IsGap()) {
safepoints_.BumpLastLazySafepointIndex();
}
@@ -5462,7 +5465,7 @@
void LCodeGen::DoLazyBailout(LLazyBailout* instr) {
- EnsureSpaceForLazyDeopt(Deoptimizer::patch_size());
+ last_lazy_deopt_pc_ = masm()->pc_offset();
ASSERT(instr->HasEnvironment());
LEnvironment* env = instr->environment();
RegisterEnvironmentForDeoptimization(env, Safepoint::kLazyDeopt);
@@ -5534,10 +5537,7 @@
CallCode(isolate()->builtins()->StackCheck(),
RelocInfo::CODE_TARGET,
instr);
- EnsureSpaceForLazyDeopt(Deoptimizer::patch_size());
__ bind(&done);
- RegisterEnvironmentForDeoptimization(env, Safepoint::kLazyDeopt);
- safepoints_.RecordLazyDeoptimizationIndex(env->deoptimization_index());
} else {
ASSERT(instr->hydrogen()->is_backwards_branch());
// Perform stack overflow check if this goto needs it before jumping.
--
--
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