Fix warnings building on sparc


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@9758 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Target/X86/X86TargetMachine.cpp b/lib/Target/X86/X86TargetMachine.cpp
index d094d90..954d4f4 100644
--- a/lib/Target/X86/X86TargetMachine.cpp
+++ b/lib/Target/X86/X86TargetMachine.cpp
@@ -149,7 +149,7 @@
   char *OldByte = (char *) Old;
   *OldByte++ = 0xE9;                // Emit JMP opcode.
   int32_t *OldWord = (int32_t *) OldByte;
-  int32_t NewAddr = (int32_t) New;
-  int32_t OldAddr = (int32_t) OldWord;
+  int32_t NewAddr = (intptr_t) New;
+  int32_t OldAddr = (intptr_t) OldWord;
   *OldWord = NewAddr - OldAddr - 4; // Emit PC-relative addr of New code.
 }