MIPS64: Fix hidden bug in relocations for j and jal.

src/mips/assembler-mips.cc

 // Copyright (c) 1994-2006 Sun Microsystems Inc.
 // All Rights Reserved.
 //
 // Redistribution and use in source and binary forms, with or without
 // modification, are permitted provided that the following conditions are
 // met:
 //
 // - Redistributions of source code must retain the above copyright notice,
 // this list of conditions and the following disclaimer.
 //
@@ skipping 647 matching lines @@
     if (instr == 0) {
        return kEndOfChain;
      } else {
        int32_t imm18 =((instr & static_cast<int32_t>(kImm16Mask)) << 16) >> 14;
        return (imm18 + pos);
      }
   }
   // Check we have a branch or jump instruction.
   DCHECK(IsBranch(instr) || IsLui(instr));
   // Do NOT change this to <<2. We rely on arithmetic shifts here, assuming
-  // the compiler uses arithmectic shifts for signed integers.
+  // the compiler uses arithmetic shifts for signed integers.
   if (IsBranch(instr)) {
     int32_t imm18 = ((instr & static_cast<int32_t>(kImm16Mask)) << 16) >> 14;
 
     if (imm18 == kEndOfChain) {
       // EndOfChain sentinel is returned directly, not relative to pc or pos.
       return kEndOfChain;
     } else {
       return pos + kBranchPCOffset + imm18;
     }
   } else if (IsLui(instr)) {
@@ skipping 2415 matching lines @@
   if (patched) {
     CpuFeatures::FlushICache(pc + 2, sizeof(Address));
   }
 }
 
 
 }  // namespace internal
 }  // namespace v8
 
 #endif  // V8_TARGET_ARCH_MIPS