#define V8_IA32_MACRO_ASSEMBLER_IA32_H_
#include "src/assembler.h"
+#include "src/bailout-reason.h"
#include "src/frames.h"
#include "src/globals.h"
Label* condition_met,
Label::Distance condition_met_distance = Label::kFar);
- void CheckMapDeprecated(Handle<Map> map,
- Register scratch,
- Label* if_deprecated);
-
// Check if object is in new space. Jumps if the object is not in new space.
// The register scratch can be object itself, but scratch will be clobbered.
void JumpIfNotInNewSpace(Register object,
}
}
+ // Compare the given value and the value of weak cell.
+ void CmpWeakValue(Register value, Handle<WeakCell> cell, Register scratch);
+
+ void GetWeakValue(Register value, Handle<WeakCell> cell);
+
+ // Load the value of the weak cell in the value register. Branch to the given
+ // miss label if the weak cell was cleared.
+ void LoadWeakValue(Register value, Handle<WeakCell> cell, Label* miss);
+
// ---------------------------------------------------------------------------
// JavaScript invokes
Label* fail,
SmiCheckType smi_check_type);
- // Check if the map of an object is equal to a specified map and branch to a
- // specified target if equal. Skip the smi check if not required (object is
- // known to be a heap object)
- void DispatchMap(Register obj,
- Register unused,
- Handle<Map> map,
- Handle<Code> success,
- SmiCheckType smi_check_type);
+ // Check if the map of an object is equal to a specified weak map and branch
+ // to a specified target if equal. Skip the smi check if not required
+ // (object is known to be a heap object)
+ void DispatchWeakMap(Register obj, Register scratch1, Register scratch2,
+ Handle<WeakCell> cell, Handle<Code> success,
+ SmiCheckType smi_check_type);
// Check if the object in register heap_object is a string. Afterwards the
// register map contains the object map and the register instance_type
void TruncateDoubleToI(Register result_reg, XMMRegister input_reg);
void DoubleToI(Register result_reg, XMMRegister input_reg,
- XMMRegister scratch, MinusZeroMode minus_zero_mode,
- Label* conversion_failed, Label::Distance dst = Label::kFar);
-
- void TaggedToI(Register result_reg, Register input_reg, XMMRegister temp,
- MinusZeroMode minus_zero_mode, Label* lost_precision);
+ XMMRegister scratch, MinusZeroMode minus_zero_mode,
+ Label* lost_precision, Label* is_nan, Label* minus_zero,
+ Label::Distance dst = Label::kFar);
// Smi tagging support.
void SmiTag(Register reg) {
j(not_carry, is_smi);
}
- void LoadUint32(XMMRegister dst, Register src);
+ void LoadUint32(XMMRegister dst, Register src) {
+ LoadUint32(dst, Operand(src));
+ }
+ void LoadUint32(XMMRegister dst, const Operand& src);
// Jump the register contains a smi.
inline void JumpIfSmi(Register value,
void LoadInstanceDescriptors(Register map, Register descriptors);
void EnumLength(Register dst, Register map);
void NumberOfOwnDescriptors(Register dst, Register map);
+ void LoadAccessor(Register dst, Register holder, int accessor_index,
+ AccessorComponent accessor);
template<typename Field>
void DecodeField(Register reg) {
// ---------------------------------------------------------------------------
// Exception handling
- // Push a new try handler and link it into try handler chain.
- void PushTryHandler(StackHandler::Kind kind, int handler_index);
-
- // Unlink the stack handler on top of the stack from the try handler chain.
- void PopTryHandler();
-
- // Throw to the top handler in the try hander chain.
- void Throw(Register value);
+ // Push a new stack handler and link it into stack handler chain.
+ void PushStackHandler();
- // Throw past all JS frames to the top JS entry frame.
- void ThrowUncatchable(Register value);
+ // Unlink the stack handler on top of the stack from the stack handler chain.
+ void PopStackHandler();
// ---------------------------------------------------------------------------
// Inline caching support
Register scratch2,
Register scratch3,
Label* gc_required);
- void AllocateAsciiString(Register result,
- Register length,
- Register scratch1,
- Register scratch2,
- Register scratch3,
- Label* gc_required);
- void AllocateAsciiString(Register result,
- int length,
- Register scratch1,
- Register scratch2,
- Label* gc_required);
+ void AllocateOneByteString(Register result, Register length,
+ Register scratch1, Register scratch2,
+ Register scratch3, Label* gc_required);
+ void AllocateOneByteString(Register result, int length, Register scratch1,
+ Register scratch2, Label* gc_required);
// Allocate a raw cons string object. Only the map field of the result is
// initialized.
Register scratch1,
Register scratch2,
Label* gc_required);
- void AllocateAsciiConsString(Register result,
- Register scratch1,
- Register scratch2,
- Label* gc_required);
+ void AllocateOneByteConsString(Register result, Register scratch1,
+ Register scratch2, Label* gc_required);
// Allocate a raw sliced string object. Only the map field of the result is
// initialized.
Register scratch1,
Register scratch2,
Label* gc_required);
- void AllocateAsciiSlicedString(Register result,
- Register scratch1,
- Register scratch2,
- Label* gc_required);
+ void AllocateOneByteSlicedString(Register result, Register scratch1,
+ Register scratch2, Label* gc_required);
// Copy memory, byte-by-byte, from source to destination. Not optimized for
// long or aligned copies.
void NegativeZeroTest(Register result, Register op1, Register op2,
Register scratch, Label* then_label);
+ // Machine code version of Map::GetConstructor().
+ // |temp| holds |result|'s map when done.
+ void GetMapConstructor(Register result, Register map, Register temp);
+
// Try to get function prototype of a function and puts the value in
// the result register. Checks that the function really is a
// function and jumps to the miss label if the fast checks fail. The
void CallCFunction(ExternalReference function, int num_arguments);
void CallCFunction(Register function, int num_arguments);
- // Prepares stack to put arguments (aligns and so on). Reserves
- // space for return value if needed (assumes the return value is a handle).
- // Arguments must be stored in ApiParameterOperand(0), ApiParameterOperand(1)
- // etc. Saves context (esi). If space was reserved for return value then
- // stores the pointer to the reserved slot into esi.
- void PrepareCallApiFunction(int argc);
-
- // Calls an API function. Allocates HandleScope, extracts returned value
- // from handle and propagates exceptions. Clobbers ebx, edi and
- // caller-save registers. Restores context. On return removes
- // stack_space * kPointerSize (GCed).
- void CallApiFunctionAndReturn(Register function_address,
- ExternalReference thunk_ref,
- Operand thunk_last_arg,
- int stack_space,
- Operand return_value_operand,
- Operand* context_restore_operand);
-
// Jump to a runtime routine.
void JumpToExternalReference(const ExternalReference& ext);
void Push(Register src) { push(src); }
void Pop(Register dst) { pop(dst); }
+ // Non-SSE2 instructions.
+ void Pextrd(Register dst, XMMRegister src, int8_t imm8);
+ void Pinsrd(XMMRegister dst, Register src, int8_t imm8) {
+ Pinsrd(dst, Operand(src), imm8);
+ }
+ void Pinsrd(XMMRegister dst, const Operand& src, int8_t imm8);
+
+ void Lzcnt(Register dst, Register src) { Lzcnt(dst, Operand(src)); }
+ void Lzcnt(Register dst, const Operand& src);
+
// Emit call to the code we are currently generating.
void CallSelf() {
Handle<Code> self(reinterpret_cast<Code**>(CodeObject().location()));
void Move(const Operand& dst, const Immediate& x);
// Move an immediate into an XMM register.
- void Move(XMMRegister dst, double val);
+ void Move(XMMRegister dst, uint32_t src);
+ void Move(XMMRegister dst, uint64_t src);
+ void Move(XMMRegister dst, double src) { Move(dst, bit_cast<uint64_t>(src)); }
// Push a handle value.
void Push(Handle<Object> handle) { push(Immediate(handle)); }
Register scratch2,
Label* not_found);
- // Check whether the instance type represents a flat ASCII string. Jump to the
- // label if not. If the instance type can be scratched specify same register
- // for both instance type and scratch.
- void JumpIfInstanceTypeIsNotSequentialAscii(Register instance_type,
- Register scratch,
- Label* on_not_flat_ascii_string);
+ // Check whether the instance type represents a flat one-byte string. Jump to
+ // the label if not. If the instance type can be scratched specify same
+ // register for both instance type and scratch.
+ void JumpIfInstanceTypeIsNotSequentialOneByte(
+ Register instance_type, Register scratch,
+ Label* on_not_flat_one_byte_string);
- // Checks if both objects are sequential ASCII strings, and jumps to label
+ // Checks if both objects are sequential one-byte strings, and jumps to label
// if either is not.
- void JumpIfNotBothSequentialAsciiStrings(Register object1,
- Register object2,
- Register scratch1,
- Register scratch2,
- Label* on_not_flat_ascii_strings);
+ void JumpIfNotBothSequentialOneByteStrings(
+ Register object1, Register object2, Register scratch1, Register scratch2,
+ Label* on_not_flat_one_byte_strings);
// Checks if the given register or operand is a unique name
- void JumpIfNotUniqueName(Register reg, Label* not_unique_name,
- Label::Distance distance = Label::kFar) {
- JumpIfNotUniqueName(Operand(reg), not_unique_name, distance);
+ void JumpIfNotUniqueNameInstanceType(Register reg, Label* not_unique_name,
+ Label::Distance distance = Label::kFar) {
+ JumpIfNotUniqueNameInstanceType(Operand(reg), not_unique_name, distance);
}
- void JumpIfNotUniqueName(Operand operand, Label* not_unique_name,
- Label::Distance distance = Label::kFar);
+ void JumpIfNotUniqueNameInstanceType(Operand operand, Label* not_unique_name,
+ Label::Distance distance = Label::kFar);
void EmitSeqStringSetCharCheck(Register string,
Register index,
// Activation support.
void EnterFrame(StackFrame::Type type);
+ void EnterFrame(StackFrame::Type type, bool load_constant_pool_pointer_reg);
void LeaveFrame(StackFrame::Type type);
// Expects object in eax and returns map with validated enum cache
Register bitmap_reg,
Register mask_reg);
- // Helper for throwing exceptions. Compute a handler address and jump to
- // it. See the implementation for register usage.
- void JumpToHandlerEntry();
-
// Compute memory operands for safepoint stack slots.
Operand SafepointRegisterSlot(Register reg);
static int SafepointRegisterStackIndex(int reg_code);
}
-// Generates an Operand for saving parameters after PrepareCallApiFunction.
-Operand ApiParameterOperand(int index);
-
-
#ifdef GENERATED_CODE_COVERAGE
extern void LogGeneratedCodeCoverage(const char* file_line);
#define CODE_COVERAGE_STRINGIFY(x) #x
projects / platform / upstream / nodejs.git / blobdiff