MIPS: Use PC realitive instructions on r6.

src/mips/macro-assembler-mips.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/mips/assembler-mips.h"
@@ skipping 624 matching lines @@
 #undef DEFINE_INSTRUCTION
 #undef DEFINE_INSTRUCTION2
 #undef DEFINE_INSTRUCTION3
 
   void Lsa(Register rd, Register rs, Register rt, uint8_t sa,
            Register scratch = at);
   void Pref(int32_t hint, const MemOperand& rs);
 
 
   // ---------------------------------------------------------------------------
+  // PC relative instructions.
+
+  void Addiupc(Register rs, int32_t imm21) {
+    DCHECK_EQ(imm21 & 3, 0);
+    addiupc(rs, imm21 >> 2);
+  }
+
+  void Lwpc(Register rs, int32_t imm21) {
+    DCHECK_EQ(imm21 & 3, 0);
+    lwpc(rs, imm21 >> 2);
+  }
+
+
+  // ---------------------------------------------------------------------------
   // Pseudo-instructions.
 
   void mov(Register rd, Register rt) { or_(rd, rt, zero_reg); }
 
   void Ulw(Register rd, const MemOperand& rs);
   void Usw(Register rd, const MemOperand& rs);
 
   // Load int32 in the rd register.
   void li(Register rd, Operand j, LiFlags mode = OPTIMIZE_SIZE);
   inline void li(Register rd, int32_t j, LiFlags mode = OPTIMIZE_SIZE) {
@@ skipping 1099 matching lines @@
 #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 internal
 }  // namespace v8
 
 #endif  // V8_MIPS_MACRO_ASSEMBLER_MIPS_H_