X64: Implementation of a bunch of stubs, and some new opcodes.

src/x64/assembler-x64.cc

Index: src/x64/assembler-x64.cc
diff --git a/src/x64/assembler-x64.cc b/src/x64/assembler-x64.cc
index cc64471356a00f4bc6645a848fcdf2c8a14f8f0e..eaeea194c940e3e41134c202c799f33067547413 100644
--- a/src/x64/assembler-x64.cc
+++ b/src/x64/assembler-x64.cc
@@ -413,6 +413,16 @@ void Assembler::arithmetic_op(byte opcode, Register dst, Register src) {
   emit_modrm(dst, src);
 }
 
+
+void Assembler::arithmetic_op_32(byte opcode, Register dst, Register src) {
+  EnsureSpace ensure_space(this);
+  last_pc_ = pc_;
+  emit_optional_rex_32(dst, src);
+  emit(opcode);
+  emit_modrm(dst, src);
+}
+
+
 void Assembler::immediate_arithmetic_op(byte subcode,
                                         Register dst,
                                         Immediate src) {
@@ -452,6 +462,27 @@ void Assembler::immediate_arithmetic_op(byte subcode,
 
 
 void Assembler::immediate_arithmetic_op_32(byte subcode,
+                                           Register dst,
+                                           Immediate src) {
+  EnsureSpace ensure_space(this);
+  last_pc_ = pc_;
+  emit_optional_rex_32(dst);
+    emit(0x83);
+  if (is_int8(src.value_)) {
+    emit_modrm(subcode, dst);
+    emit(src.value_);
+  } else if (dst.is(rax)) {
+    emit(0x05 | (subcode << 3));
+    emitl(src.value_);
+  } else {
+    emit(0x81);
+    emit_modrm(subcode, dst);
+    emitl(src.value_);
+  }
+}
+
+
+void Assembler::immediate_arithmetic_op_32(byte subcode,
                                            const Operand& dst,
                                            Immediate src) {
   EnsureSpace ensure_space(this);
@@ -508,6 +539,15 @@ void Assembler::shift(Register dst, int subcode) {
 }
 
 
+void Assembler::shift_32(Register dst, int subcode) {
+  EnsureSpace ensure_space(this);
+  last_pc_ = pc_;
+  emit_optional_rex_32(dst);
+  emit(0xD3);
+  emit_modrm(subcode, dst);
+}
+
+
 void Assembler::bt(const Operand& dst, Register src) {
   EnsureSpace ensure_space(this);
   last_pc_ = pc_;
@@ -640,6 +680,16 @@ void Assembler::idiv(Register src) {
 }
 
 
+void Assembler::imul(Register dst, Register src) {
+  EnsureSpace ensure_space(this);
+  last_pc_ = pc_;
+  emit_rex_64(dst, src);
+  emit(0x0F);
+  emit(0xAF);
+  emit_modrm(dst, src);
+}
+
+
 void Assembler::imul(Register dst, const Operand& src) {
   EnsureSpace ensure_space(this);
   last_pc_ = pc_;
@@ -666,6 +716,16 @@ void Assembler::imul(Register dst, Register src, Immediate imm) {
 }
 
 
+void Assembler::imull(Register dst, Register src) {
+  EnsureSpace ensure_space(this);
+  last_pc_ = pc_;
+  emit_optional_rex_32(dst, src);
+  emit(0x0F);
+  emit(0xAF);
+  emit_modrm(dst, src);
+}
+
+
 void Assembler::incq(Register dst) {
   EnsureSpace ensure_space(this);
   last_pc_ = pc_;
@@ -971,6 +1031,25 @@ void Assembler::movq(Register dst, Handle<Object> value, RelocInfo::Mode mode) {
 }
 
 
+void Assembler::movsxlq(Register dst, Register src) {
+  EnsureSpace ensure_space(this);
+  last_pc_ = pc_;
+  emit_rex_64(dst, src);
+  emit(0x63);
+  emit_modrm(dst, src);
+}
+
+
+void Assembler::movzxbq(Register dst, const Operand& src) {
+  EnsureSpace ensure_space(this);
+  last_pc_ = pc_;
+  emit_rex_64(dst, src);
+  emit(0x0F);
+  emit(0xB6);
+  emit_operand(dst, src);
+}
+
+
 void Assembler::mul(Register src) {
   EnsureSpace ensure_space(this);
   last_pc_ = pc_;
@@ -1364,6 +1443,324 @@ void Assembler::testq(Register dst, Immediate mask) {
 }
 
 
+// FPU instructions
+
+
+void Assembler::fld(int i) {
+  EnsureSpace ensure_space(this);
+  last_pc_ = pc_;
+  emit_farith(0xD9, 0xC0, i);
+}
+
+
+void Assembler::fld1() {
+  EnsureSpace ensure_space(this);
+  last_pc_ = pc_;
+  emit(0xD9);
+  emit(0xE8);
+}
+
+
+void Assembler::fldz() {
+  EnsureSpace ensure_space(this);
+  last_pc_ = pc_;
+  emit(0xD9);
+  emit(0xEE);
+}
+
+
+void Assembler::fld_s(const Operand& adr) {
+  EnsureSpace ensure_space(this);
+  last_pc_ = pc_;
+  emit(0xD9);
+  emit_operand(0, adr);
+}
+
+
+void Assembler::fld_d(const Operand& adr) {
+  EnsureSpace ensure_space(this);
+  last_pc_ = pc_;
+  emit(0xDD);
+  emit_operand(0, adr);
+}
+
+
+void Assembler::fstp_s(const Operand& adr) {
+  EnsureSpace ensure_space(this);
+  last_pc_ = pc_;
+  emit(0xD9);
+  emit_operand(3, adr);
+}
+
+
+void Assembler::fstp_d(const Operand& adr) {
+  EnsureSpace ensure_space(this);
+  last_pc_ = pc_;
+  emit(0xDD);
+  emit_operand(3, adr);
+}
+
+
+void Assembler::fild_s(const Operand& adr) {
+  EnsureSpace ensure_space(this);
+  last_pc_ = pc_;
+  emit(0xDB);
+  emit_operand(0, adr);
+}
+
+
+void Assembler::fild_d(const Operand& adr) {
+  EnsureSpace ensure_space(this);
+  last_pc_ = pc_;
+  emit(0xDF);
+  emit_operand(5, adr);
+}
+
+
+void Assembler::fistp_s(const Operand& adr) {
+  EnsureSpace ensure_space(this);
+  last_pc_ = pc_;
+  emit(0xDB);
+  emit_operand(3, adr);
+}
+
+
+void Assembler::fisttp_s(const Operand& adr) {
+  ASSERT(CpuFeatures::IsEnabled(CpuFeatures::SSE3));
+  EnsureSpace ensure_space(this);
+  last_pc_ = pc_;
+  emit(0xDB);
+  emit_operand(1, adr);
+}
+
+
+void Assembler::fist_s(const Operand& adr) {
+  EnsureSpace ensure_space(this);
+  last_pc_ = pc_;
+  emit(0xDB);
+  emit_operand(2, adr);
+}
+
+
+void Assembler::fistp_d(const Operand& adr) {
+  EnsureSpace ensure_space(this);
+  last_pc_ = pc_;
+  emit(0xDF);
+  emit_operand(8, adr);
+}
+
+
+void Assembler::fabs() {
+  EnsureSpace ensure_space(this);
+  last_pc_ = pc_;
+  emit(0xD9);
+  emit(0xE1);
+}
+
+
+void Assembler::fchs() {
+  EnsureSpace ensure_space(this);
+  last_pc_ = pc_;
+  emit(0xD9);
+  emit(0xE0);
+}
+
+
+void Assembler::fcos() {
+  EnsureSpace ensure_space(this);
+  last_pc_ = pc_;
+  emit(0xD9);
+  emit(0xFF);
+}
+
+
+void Assembler::fsin() {
+  EnsureSpace ensure_space(this);
+  last_pc_ = pc_;
+  emit(0xD9);
+  emit(0xFE);
+}
+
+
+void Assembler::fadd(int i) {
+  EnsureSpace ensure_space(this);
+  last_pc_ = pc_;
+  emit_farith(0xDC, 0xC0, i);
+}
+
+
+void Assembler::fsub(int i) {
+  EnsureSpace ensure_space(this);
+  last_pc_ = pc_;
+  emit_farith(0xDC, 0xE8, i);
+}
+
+
+void Assembler::fisub_s(const Operand& adr) {
+  EnsureSpace ensure_space(this);
+  last_pc_ = pc_;
+  emit(0xDA);
+  emit_operand(4, adr);
+}
+
+
+void Assembler::fmul(int i) {
+  EnsureSpace ensure_space(this);
+  last_pc_ = pc_;
+  emit_farith(0xDC, 0xC8, i);
+}
+
+
+void Assembler::fdiv(int i) {
+  EnsureSpace ensure_space(this);
+  last_pc_ = pc_;
+  emit_farith(0xDC, 0xF8, i);
+}
+
+
+void Assembler::faddp(int i) {
+  EnsureSpace ensure_space(this);
+  last_pc_ = pc_;
+  emit_farith(0xDE, 0xC0, i);
+}
+
+
+void Assembler::fsubp(int i) {
+  EnsureSpace ensure_space(this);
+  last_pc_ = pc_;
+  emit_farith(0xDE, 0xE8, i);
+}
+
+
+void Assembler::fsubrp(int i) {
+  EnsureSpace ensure_space(this);
+  last_pc_ = pc_;
+  emit_farith(0xDE, 0xE0, i);
+}
+
+
+void Assembler::fmulp(int i) {
+  EnsureSpace ensure_space(this);
+  last_pc_ = pc_;
+  emit_farith(0xDE, 0xC8, i);
+}
+
+
+void Assembler::fdivp(int i) {
+  EnsureSpace ensure_space(this);
+  last_pc_ = pc_;
+  emit_farith(0xDE, 0xF8, i);
+}
+
+
+void Assembler::fprem() {
+  EnsureSpace ensure_space(this);
+  last_pc_ = pc_;
+  emit(0xD9);
+  emit(0xF8);
+}
+
+
+void Assembler::fprem1() {
+  EnsureSpace ensure_space(this);
+  last_pc_ = pc_;
+  emit(0xD9);
+  emit(0xF5);
+}
+
+
+void Assembler::fxch(int i) {
+  EnsureSpace ensure_space(this);
+  last_pc_ = pc_;
+  emit_farith(0xD9, 0xC8, i);
+}
+
+
+void Assembler::fincstp() {
+  EnsureSpace ensure_space(this);
+  last_pc_ = pc_;
+  emit(0xD9);
+  emit(0xF7);
+}
+
+
+void Assembler::ffree(int i) {
+  EnsureSpace ensure_space(this);
+  last_pc_ = pc_;
+  emit_farith(0xDD, 0xC0, i);
+}
+
+
+void Assembler::ftst() {
+  EnsureSpace ensure_space(this);
+  last_pc_ = pc_;
+  emit(0xD9);
+  emit(0xE4);
+}
+
+
+void Assembler::fucomp(int i) {
+  EnsureSpace ensure_space(this);
+  last_pc_ = pc_;
+  emit_farith(0xDD, 0xE8, i);
+}
+
+
+void Assembler::fucompp() {
+  EnsureSpace ensure_space(this);
+  last_pc_ = pc_;
+  emit(0xDA);
+  emit(0xE9);
+}
+
+
+void Assembler::fcompp() {
+  EnsureSpace ensure_space(this);
+  last_pc_ = pc_;
+  emit(0xDE);
+  emit(0xD9);
+}
+
+
+void Assembler::fnstsw_ax() {
+  EnsureSpace ensure_space(this);
+  last_pc_ = pc_;
+  emit(0xDF);
+  emit(0xE0);
+}
+
+
+void Assembler::fwait() {
+  EnsureSpace ensure_space(this);
+  last_pc_ = pc_;
+  emit(0x9B);
+}
+
+
+void Assembler::frndint() {
+  EnsureSpace ensure_space(this);
+  last_pc_ = pc_;
+  emit(0xD9);
+  emit(0xFC);
+}
+
+
+void Assembler::fnclex() {
+  EnsureSpace ensure_space(this);
+  last_pc_ = pc_;
+  emit(0xDB);
+  emit(0xE2);
+}
+
+
+void Assembler::emit_farith(int b1, int b2, int i) {
+  ASSERT(is_uint8(b1) && is_uint8(b2));  // wrong opcode
+  ASSERT(0 <= i &&  i < 8);  // illegal stack offset
+  emit(b1);
+  emit(b2 + i);
+}
+
+
 // Relocation information implementations
 
 void Assembler::RecordRelocInfo(RelocInfo::Mode rmode, intptr_t data) {
@@ -1463,18 +1860,6 @@ const int RelocInfo::kApplyMask =
 namespace v8 {
 namespace internal {
 
-void ArgumentsAccessStub::GenerateNewObject(MacroAssembler* a) {
-  UNIMPLEMENTED();
-}
-
-void ArgumentsAccessStub::GenerateReadElement(MacroAssembler* a) {
-  UNIMPLEMENTED();
-}
-
-void ArgumentsAccessStub::GenerateReadLength(MacroAssembler* a) {
-  UNIMPLEMENTED();
-}
-
 
 void BreakLocationIterator::ClearDebugBreakAtReturn() {
   UNIMPLEMENTED();
@@ -1501,31 +1886,6 @@ void CallIC::GenerateNormal(MacroAssembler* a, int b) {
   UNIMPLEMENTED();
 }
 
-Object* CallStubCompiler::CompileCallConstant(Object* a,
-                                              JSObject* b,
-                                              JSFunction* c,
-                                              StubCompiler::CheckType d,
-                                              Code::Flags flags) {
-  UNIMPLEMENTED();
-  return NULL;
-}
-
-Object* CallStubCompiler::CompileCallField(Object* a,
-                                           JSObject* b,
-                                           int c,
-                                           String* d,
-                                           Code::Flags flags) {
-  UNIMPLEMENTED();
-  return NULL;
-}
-
-Object* CallStubCompiler::CompileCallInterceptor(Object* a,
-                                                 JSObject* b,
-                                                 String* c) {
-  UNIMPLEMENTED();
-  return NULL;
-}
-
 void JumpTarget::DoBind() {
   UNIMPLEMENTED();
 }
@@ -1538,60 +1898,5 @@ void JumpTarget::DoJump() {
   UNIMPLEMENTED();
 }
 
-Object* LoadStubCompiler::CompileLoadCallback(JSObject* a,
-                                              JSObject* b,
-                                              AccessorInfo* c,
-                                              String* d) {
-  UNIMPLEMENTED();
-  return NULL;
-}
-
-Object* LoadStubCompiler::CompileLoadConstant(JSObject* a,
-                                              JSObject* b,
-                                              Object* c,
-                                              String* d) {
-  UNIMPLEMENTED();
-  return NULL;
-}
-
-Object* LoadStubCompiler::CompileLoadField(JSObject* a,
-                                           JSObject* b,
-                                           int c,
-                                           String* d) {
-  UNIMPLEMENTED();
-  return NULL;
-}
-
-Object* LoadStubCompiler::CompileLoadInterceptor(JSObject* a,
-                                                 JSObject* b,
-                                                 String* c) {
-  UNIMPLEMENTED();
-  return NULL;
-}
-
-Object* StoreStubCompiler::CompileStoreCallback(JSObject* a,
-                                                AccessorInfo* b,
-                                                String* c) {
-  UNIMPLEMENTED();
-  return NULL;
-}
-
-Object* StoreStubCompiler::CompileStoreField(JSObject* a,
-                                             int b,
-                                             Map* c,
-                                             String* d) {
-  UNIMPLEMENTED();
-  return NULL;
-}
-
-Object* StoreStubCompiler::CompileStoreInterceptor(JSObject* a, String* b) {
-  UNIMPLEMENTED();
-  return NULL;
-}
-
-Object* StubCompiler::CompileLazyCompile(Code::Flags a) {
-  UNIMPLEMENTED();
-  return NULL;
-}
 
 } }  // namespace v8::internal