1 files changed, 18 insertions, 6 deletions
diff --git a/deps/v8/src/mips/macro-assembler-mips.h b/deps/v8/src/mips/macro-assembler-mips.h
index 8c70eb54a3..37d2c59270 100644
--- a/deps/v8/src/mips/macro-assembler-mips.h
+++ b/deps/v8/src/mips/macro-assembler-mips.h
@@ -19,12 +19,15 @@ constexpr Register kReturnRegister2 = a0;
 constexpr Register kJSFunctionRegister = a1;
 constexpr Register kContextRegister = s7;
 constexpr Register kAllocateSizeRegister = a0;
+constexpr Register kSpeculationPoisonRegister = t3;
 constexpr Register kInterpreterAccumulatorRegister = v0;
 constexpr Register kInterpreterBytecodeOffsetRegister = t4;
 constexpr Register kInterpreterBytecodeArrayRegister = t5;
 constexpr Register kInterpreterDispatchTableRegister = t6;
 constexpr Register kJavaScriptCallArgCountRegister = a0;
+constexpr Register kJavaScriptCallCodeStartRegister = a2;
 constexpr Register kJavaScriptCallNewTargetRegister = a3;
+constexpr Register kOffHeapTrampolineRegister = at;
 constexpr Register kRuntimeCallFunctionRegister = a1;
 constexpr Register kRuntimeCallArgCountRegister = a0;
 
@@ -559,6 +562,8 @@ class TurboAssembler : public Assembler {
   void Movf(Register rd, Register rs, uint16_t cc = 0);
 
   void Clz(Register rd, Register rs);
+  void Ctz(Register rd, Register rs);
+  void Popcnt(Register rd, Register rs);
 
   // Int64Lowering instructions
   void AddPair(Register dst_low, Register dst_high, Register left_low,
@@ -731,8 +736,10 @@ class TurboAssembler : public Assembler {
     Mthc1(src_high, dst);
   }
 
-  void Move(FPURegister dst, float imm);
-  void Move(FPURegister dst, double imm);
+  void Move(FPURegister dst, float imm) { Move(dst, bit_cast<uint32_t>(imm)); }
+  void Move(FPURegister dst, double imm) { Move(dst, bit_cast<uint64_t>(imm)); }
+  void Move(FPURegister dst, uint32_t src);
+  void Move(FPURegister dst, uint64_t src);
 
   // -------------------------------------------------------------------------
   // Overflow handling functions.
@@ -844,6 +851,12 @@ class TurboAssembler : public Assembler {
     BranchF64(bd, target, nan, cc, cmp1, cmp2);
   }
 
+  // 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();
+
  protected:
   void BranchLong(Label* L, BranchDelaySlot bdslot);
 
@@ -1023,10 +1036,6 @@ 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();
 
@@ -1089,6 +1098,9 @@ const Operand& rt = Operand(zero_reg), BranchDelaySlot bd = PROTECT
                                BranchDelaySlot bd = PROTECT,
                                bool builtin_exit_frame = false);
 
+  // Generates a trampoline to jump to the off-heap instruction stream.
+  void JumpToInstructionStream(const InstructionStream* stream);
+
   // -------------------------------------------------------------------------
   // StatsCounter support.