diff options
Diffstat (limited to 'deps/v8/src/arm/macro-assembler-arm.h')
| -rw-r--r-- | deps/v8/src/arm/macro-assembler-arm.h | 30 |
1 files changed, 17 insertions, 13 deletions
diff --git a/deps/v8/src/arm/macro-assembler-arm.h b/deps/v8/src/arm/macro-assembler-arm.h index cf731cbedb..50ce6dc005 100644 --- a/deps/v8/src/arm/macro-assembler-arm.h +++ b/deps/v8/src/arm/macro-assembler-arm.h @@ -20,12 +20,15 @@ constexpr Register kReturnRegister2 = r2; constexpr Register kJSFunctionRegister = r1; constexpr Register kContextRegister = r7; constexpr Register kAllocateSizeRegister = r1; +constexpr Register kSpeculationPoisonRegister = r9; constexpr Register kInterpreterAccumulatorRegister = r0; constexpr Register kInterpreterBytecodeOffsetRegister = r5; constexpr Register kInterpreterBytecodeArrayRegister = r6; constexpr Register kInterpreterDispatchTableRegister = r8; constexpr Register kJavaScriptCallArgCountRegister = r0; +constexpr Register kJavaScriptCallCodeStartRegister = r2; constexpr Register kJavaScriptCallNewTargetRegister = r3; +constexpr Register kOffHeapTrampolineRegister = r4; constexpr Register kRuntimeCallFunctionRegister = r1; constexpr Register kRuntimeCallArgCountRegister = r0; @@ -305,15 +308,15 @@ class TurboAssembler : public Assembler { inline bool AllowThisStubCall(CodeStub* stub); void LslPair(Register dst_low, Register dst_high, Register src_low, - Register src_high, Register scratch, Register shift); + Register src_high, Register shift); void LslPair(Register dst_low, Register dst_high, Register src_low, Register src_high, uint32_t shift); void LsrPair(Register dst_low, Register dst_high, Register src_low, - Register src_high, Register scratch, Register shift); + Register src_high, Register shift); void LsrPair(Register dst_low, Register dst_high, Register src_low, Register src_high, uint32_t shift); void AsrPair(Register dst_low, Register dst_high, Register src_low, - Register src_high, Register scratch, Register shift); + Register src_high, Register shift); void AsrPair(Register dst_low, Register dst_high, Register src_low, Register src_high, uint32_t shift); @@ -481,7 +484,8 @@ class TurboAssembler : public Assembler { void VmovExtended(int dst_code, const MemOperand& src); void VmovExtended(const MemOperand& dst, int src_code); - // Register swap. + // Register swap. Note that the register operands should be distinct. + void Swap(Register srcdst0, Register srcdst1); void Swap(DwVfpRegister srcdst0, DwVfpRegister srcdst1); void Swap(QwNeonRegister srcdst0, QwNeonRegister srcdst1); @@ -530,6 +534,12 @@ class TurboAssembler : public Assembler { #endif } + // Compute the start of the generated instruction stream from the current PC. + // This is an alternative to embedding the {CodeObject} handle as a reference. + void ComputeCodeStartAddress(Register dst); + + void ResetSpeculationPoisonRegister(); + private: bool has_frame_ = false; Isolate* const isolate_; @@ -579,11 +589,6 @@ class MacroAssembler : public TurboAssembler { MacroAssembler(Isolate* isolate, void* buffer, int size, CodeObjectRequired create_code_object); - // Swap two registers. If the scratch register is omitted then a slightly - // less efficient form using xor instead of mov is emitted. - void Swap(Register reg1, Register reg2, Register scratch = no_reg, - Condition cond = al); - void Mls(Register dst, Register src1, Register src2, Register srcA, Condition cond = al); void And(Register dst, Register src1, const Operand& src2, @@ -694,10 +699,6 @@ class MacroAssembler : public TurboAssembler { void InvokeFunction(Register function, const ParameterCount& expected, const ParameterCount& actual, InvokeFlag flag); - void InvokeFunction(Handle<JSFunction> function, - const ParameterCount& expected, - const ParameterCount& actual, InvokeFlag flag); - // Frame restart support void MaybeDropFrames(); @@ -797,6 +798,9 @@ class MacroAssembler : public TurboAssembler { void JumpToExternalReference(const ExternalReference& builtin, bool builtin_exit_frame = false); + // Generates a trampoline to jump to the off-heap instruction stream. + void JumpToInstructionStream(const InstructionStream* stream); + // --------------------------------------------------------------------------- // StatsCounter support |