[llvm] r227269 - [mips] Use __clear_cache builtin instead of cacheflush()

[Petar Jovanovic]

Author: petarj
Date: Tue Jan 27 17:30:18 2015
New Revision: 227269

URL: http://llvm.org/viewvc/llvm-project?rev=227269&view=rev
Log:
[mips] Use __clear_cache builtin instead of cacheflush()

Use __clear_cache builtin instead of cacheflush() in
Unix Memory::InvalidateInstructionCache().

Differential Revision: http://reviews.llvm.org/D7198

Modified:
    llvm/trunk/lib/Support/Unix/Memory.inc

Modified: llvm/trunk/lib/Support/Unix/Memory.inc
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/Support/Unix/Memory.inc?rev=227269&r1=227268&r2=227269&view=diff
==============================================================================
--- llvm/trunk/lib/Support/Unix/Memory.inc (original)
+++ llvm/trunk/lib/Support/Unix/Memory.inc Tue Jan 27 17:30:18 2015
@@ -333,23 +333,12 @@ void Memory::InvalidateInstructionCache(
   for (intptr_t Line = StartLine; Line < EndLine; Line += LineSize)
     asm volatile("icbi 0, %0" : : "r"(Line));
   asm volatile("isync");
-#  elif (defined(__arm__) || defined(__aarch64__)) && defined(__GNUC__)
+#  elif (defined(__arm__) || defined(__aarch64__) || defined(__mips__)) && \
+        defined(__GNUC__)
   // FIXME: Can we safely always call this for __GNUC__ everywhere?
   const char *Start = static_cast<const char *>(Addr);
   const char *End = Start + Len;
   __clear_cache(const_cast<char *>(Start), const_cast<char *>(End));
-#  elif defined(__mips__)
-  const char *Start = static_cast<const char *>(Addr);
-#    if defined(ANDROID)
-  // The declaration of "cacheflush" in Android bionic:
-  // extern int cacheflush(long start, long end, long flags);
-  const char *End = Start + Len;
-  long LStart = reinterpret_cast<long>(const_cast<char *>(Start));
-  long LEnd = reinterpret_cast<long>(const_cast<char *>(End));
-  cacheflush(LStart, LEnd, BCACHE);
-#    else
-  cacheflush(const_cast<char *>(Start), Len, BCACHE);
-#    endif
 #  endif
 
 #endif  // end apple