MIPS64: Prepare additonal code for turbofan landing.

src/mips64/macro-assembler-mips64.h

 // Copyright 2012 the V8 project authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #ifndef V8_MIPS_MACRO_ASSEMBLER_MIPS_H_
 #define V8_MIPS_MACRO_ASSEMBLER_MIPS_H_
 
 #include "src/assembler.h"
 #include "src/globals.h"
 #include "src/mips64/assembler-mips64.h"
@@ skipping 581 matching lines @@
   void instr(Register rs, const Operand& rt);                                  \
   void instr(Register rs, Register rt) {                                       \
     instr(rs, Operand(rt));                                                    \
   }                                                                            \
   void instr(Register rs, int32_t j) {                                         \
     instr(rs, Operand(j));                                                     \
   }
 
   DEFINE_INSTRUCTION(Addu);
   DEFINE_INSTRUCTION(Daddu);
+  DEFINE_INSTRUCTION(Div);
+  DEFINE_INSTRUCTION(Divu);
+  DEFINE_INSTRUCTION(Ddivu);
+  DEFINE_INSTRUCTION(Mod);
+  DEFINE_INSTRUCTION(Modu);
   DEFINE_INSTRUCTION(Ddiv);
   DEFINE_INSTRUCTION(Subu);
   DEFINE_INSTRUCTION(Dsubu);
   DEFINE_INSTRUCTION(Dmod);
+  DEFINE_INSTRUCTION(Dmodu);
   DEFINE_INSTRUCTION(Mul);
   DEFINE_INSTRUCTION(Mulh);
+  DEFINE_INSTRUCTION(Mulhu);
   DEFINE_INSTRUCTION(Dmul);
   DEFINE_INSTRUCTION(Dmulh);
   DEFINE_INSTRUCTION2(Mult);
   DEFINE_INSTRUCTION2(Dmult);
   DEFINE_INSTRUCTION2(Multu);
   DEFINE_INSTRUCTION2(Dmultu);
   DEFINE_INSTRUCTION2(Div);
   DEFINE_INSTRUCTION2(Ddiv);
   DEFINE_INSTRUCTION2(Divu);
   DEFINE_INSTRUCTION2(Ddivu);
@@ skipping 133 matching lines @@
   void LoadFromSafepointRegisterSlot(Register dst, Register src);
 
   // Flush the I-cache from asm code. You should use CpuFeatures::FlushICache
   // from C.
   // Does not handle errors.
   void FlushICache(Register address, unsigned instructions);
 
   // MIPS64 R2 instruction macro.
   void Ins(Register rt, Register rs, uint16_t pos, uint16_t size);
   void Ext(Register rt, Register rs, uint16_t pos, uint16_t size);
+  void Dext(Register rt, Register rs, uint16_t pos, uint16_t size);
 
   // ---------------------------------------------------------------------------
   // FPU macros. These do not handle special cases like NaN or +- inf.
 
   // Convert unsigned word to double.
   void Cvt_d_uw(FPURegister fd, FPURegister fs, FPURegister scratch);
   void Cvt_d_uw(FPURegister fd, Register rs, FPURegister scratch);
 
   // Convert double to unsigned long.
   void Trunc_l_ud(FPURegister fd, FPURegister fs, FPURegister scratch);
@@ skipping 390 matching lines @@
   // Overflow handling functions.
   // Usage: first call the appropriate arithmetic function, then call one of the
   // jump functions with the overflow_dst register as the second parameter.
 
   void AdduAndCheckForOverflow(Register dst,
                                Register left,
                                Register right,
                                Register overflow_dst,
                                Register scratch = at);
 
+  void AdduAndCheckForOverflow(Register dst, Register left,
+                               const Operand& right, Register overflow_dst,
+                               Register scratch = at);
+
   void SubuAndCheckForOverflow(Register dst,
                                Register left,
                                Register right,
                                Register overflow_dst,
                                Register scratch = at);
 
+  void SubuAndCheckForOverflow(Register dst, Register left,
+                               const Operand& right, Register overflow_dst,
+                               Register scratch = at);
+
   void BranchOnOverflow(Label* label,
                         Register overflow_check,
                         BranchDelaySlot bd = PROTECT) {
     Branch(label, lt, overflow_check, Operand(zero_reg), bd);
   }
 
   void BranchOnNoOverflow(Label* label,
                           Register overflow_check,
                           BranchDelaySlot bd = PROTECT) {
     Branch(label, ge, overflow_check, Operand(zero_reg), bd);
   }
 
   void RetOnOverflow(Register overflow_check, BranchDelaySlot bd = PROTECT) {
     Ret(lt, overflow_check, Operand(zero_reg), bd);
   }
 
   void RetOnNoOverflow(Register overflow_check, BranchDelaySlot bd = PROTECT) {
     Ret(ge, overflow_check, Operand(zero_reg), bd);
   }
 
   // -------------------------------------------------------------------------
   // Runtime calls.
 
   // See comments at the beginning of CEntryStub::Generate.
-  inline void PrepareCEntryArgs(int num_args) {
-    li(s0, num_args);
-    li(s1, (num_args - 1) * kPointerSize);
-  }
+  inline void PrepareCEntryArgs(int num_args) { li(a0, num_args); }
 
   inline void PrepareCEntryFunction(const ExternalReference& ref) {
-    li(s2, Operand(ref));
+    li(a1, Operand(ref));
   }
 
 #define COND_ARGS Condition cond = al, Register rs = zero_reg, \
 const Operand& rt = Operand(zero_reg), BranchDelaySlot bd = PROTECT
 
   // Call a code stub.
   void CallStub(CodeStub* stub,
                 TypeFeedbackId ast_id = TypeFeedbackId::None(),
                 COND_ARGS);
 
@@ skipping 495 matching lines @@
   // it.  See the implementation for register usage.
   void JumpToHandlerEntry();
 
   // Compute memory operands for safepoint stack slots.
   static int SafepointRegisterStackIndex(int reg_code);
   MemOperand SafepointRegisterSlot(Register reg);
   MemOperand SafepointRegistersAndDoublesSlot(Register reg);
 
   bool generating_stub_;
   bool has_frame_;
+  bool has_double_zero_reg_set_;
   // This handle will be patched with the code object on installation.
   Handle<Object> code_object_;
 
   // Needs access to SafepointRegisterStackIndex for compiled frame
   // traversal.
   friend class StandardFrame;
 };
 
 
 // The code patcher is used to patch (typically) small parts of code e.g. for
@@ skipping 40 matching lines @@
 #define CODE_COVERAGE_TOSTRING(x) CODE_COVERAGE_STRINGIFY(x)
 #define __FILE_LINE__ __FILE__ ":" CODE_COVERAGE_TOSTRING(__LINE__)
 #define ACCESS_MASM(masm) masm->stop(__FILE_LINE__); masm->
 #else
 #define ACCESS_MASM(masm) masm->
 #endif
 
 } }  // namespace v8::internal
 
 #endif  // V8_MIPS_MACRO_ASSEMBLER_MIPS_H_