Merge V8 at 3.9.24.13
Bug: 5688872
Change-Id: Id0aa8d23375030494d3189c31774059c0f5398fc
diff --git a/test/cctest/test-assembler-x64.cc b/test/cctest/test-assembler-x64.cc
index 28f7c9b..d81923f 100644
--- a/test/cctest/test-assembler-x64.cc
+++ b/test/cctest/test-assembler-x64.cc
@@ -36,6 +36,7 @@
#include "cctest.h"
using v8::internal::Assembler;
+using v8::internal::Code;
using v8::internal::CodeDesc;
using v8::internal::FUNCTION_CAST;
using v8::internal::Immediate;
@@ -53,6 +54,7 @@
using v8::internal::r8;
using v8::internal::r9;
using v8::internal::rax;
+using v8::internal::rbx;
using v8::internal::rbp;
using v8::internal::rcx;
using v8::internal::rdi;
@@ -86,8 +88,18 @@
#define __ assm.
+static v8::Persistent<v8::Context> env;
+
+
+static void InitializeVM() {
+ if (env.IsEmpty()) {
+ env = v8::Context::New();
+ }
+}
+
+
TEST(AssemblerX64ReturnOperation) {
- OS::Setup();
+ OS::SetUp();
// Allocate an executable page of memory.
size_t actual_size;
byte* buffer = static_cast<byte*>(OS::Allocate(Assembler::kMinimalBufferSize,
@@ -109,7 +121,7 @@
}
TEST(AssemblerX64StackOperations) {
- OS::Setup();
+ OS::SetUp();
// Allocate an executable page of memory.
size_t actual_size;
byte* buffer = static_cast<byte*>(OS::Allocate(Assembler::kMinimalBufferSize,
@@ -141,7 +153,7 @@
}
TEST(AssemblerX64ArithmeticOperations) {
- OS::Setup();
+ OS::SetUp();
// Allocate an executable page of memory.
size_t actual_size;
byte* buffer = static_cast<byte*>(OS::Allocate(Assembler::kMinimalBufferSize,
@@ -163,7 +175,7 @@
}
TEST(AssemblerX64ImulOperation) {
- OS::Setup();
+ OS::SetUp();
// Allocate an executable page of memory.
size_t actual_size;
byte* buffer = static_cast<byte*>(OS::Allocate(Assembler::kMinimalBufferSize,
@@ -191,7 +203,7 @@
}
TEST(AssemblerX64MemoryOperands) {
- OS::Setup();
+ OS::SetUp();
// Allocate an executable page of memory.
size_t actual_size;
byte* buffer = static_cast<byte*>(OS::Allocate(Assembler::kMinimalBufferSize,
@@ -225,7 +237,7 @@
}
TEST(AssemblerX64ControlFlow) {
- OS::Setup();
+ OS::SetUp();
// Allocate an executable page of memory.
size_t actual_size;
byte* buffer = static_cast<byte*>(OS::Allocate(Assembler::kMinimalBufferSize,
@@ -254,7 +266,7 @@
}
TEST(AssemblerX64LoopImmediates) {
- OS::Setup();
+ OS::SetUp();
// Allocate an executable page of memory.
size_t actual_size;
byte* buffer = static_cast<byte*>(OS::Allocate(Assembler::kMinimalBufferSize,
@@ -359,4 +371,73 @@
__ nop();
}
+
+TEST(AssemblerMultiByteNop) {
+ InitializeVM();
+ v8::HandleScope scope;
+ v8::internal::byte buffer[1024];
+ Assembler assm(Isolate::Current(), buffer, sizeof(buffer));
+ __ push(rbx);
+ __ push(rcx);
+ __ push(rdx);
+ __ push(rdi);
+ __ push(rsi);
+ __ movq(rax, Immediate(1));
+ __ movq(rbx, Immediate(2));
+ __ movq(rcx, Immediate(3));
+ __ movq(rdx, Immediate(4));
+ __ movq(rdi, Immediate(5));
+ __ movq(rsi, Immediate(6));
+ for (int i = 0; i < 16; i++) {
+ int before = assm.pc_offset();
+ __ Nop(i);
+ CHECK_EQ(assm.pc_offset() - before, i);
+ }
+
+ Label fail;
+ __ cmpq(rax, Immediate(1));
+ __ j(not_equal, &fail);
+ __ cmpq(rbx, Immediate(2));
+ __ j(not_equal, &fail);
+ __ cmpq(rcx, Immediate(3));
+ __ j(not_equal, &fail);
+ __ cmpq(rdx, Immediate(4));
+ __ j(not_equal, &fail);
+ __ cmpq(rdi, Immediate(5));
+ __ j(not_equal, &fail);
+ __ cmpq(rsi, Immediate(6));
+ __ j(not_equal, &fail);
+ __ movq(rax, Immediate(42));
+ __ pop(rsi);
+ __ pop(rdi);
+ __ pop(rdx);
+ __ pop(rcx);
+ __ pop(rbx);
+ __ ret(0);
+ __ bind(&fail);
+ __ movq(rax, Immediate(13));
+ __ pop(rsi);
+ __ pop(rdi);
+ __ pop(rdx);
+ __ pop(rcx);
+ __ pop(rbx);
+ __ ret(0);
+
+ CodeDesc desc;
+ assm.GetCode(&desc);
+ Code* code = Code::cast(HEAP->CreateCode(
+ desc,
+ Code::ComputeFlags(Code::STUB),
+ v8::internal::Handle<v8::internal::Object>(
+ HEAP->undefined_value()))->ToObjectChecked());
+ CHECK(code->IsCode());
+
+ F0 f = FUNCTION_CAST<F0>(code->entry());
+ int res = f();
+ CHECK_EQ(42, res);
+}
+
+
+
+
#undef __