[compiler-rt] r335997 - [cfi] Use __builtin version of __clear_cache.

[Evgeniy Stepanov via llvm-commits]

Author: eugenis
Date: Fri Jun 29 10:22:58 2018
New Revision: 335997

URL: http://llvm.org/viewvc/llvm-project?rev=335997&view=rev
Log:
[cfi] Use __builtin version of __clear_cache.

__builtin___clear_cache is also present on X86 and does the right thing (i.e. nop) there.

Modified:
    compiler-rt/trunk/test/cfi/cross-dso/icall/dlopen.cpp

Modified: compiler-rt/trunk/test/cfi/cross-dso/icall/dlopen.cpp
URL: http://llvm.org/viewvc/llvm-project/compiler-rt/trunk/test/cfi/cross-dso/icall/dlopen.cpp?rev=335997&r1=335996&r2=335997&view=diff
==============================================================================
--- compiler-rt/trunk/test/cfi/cross-dso/icall/dlopen.cpp (original)
+++ compiler-rt/trunk/test/cfi/cross-dso/icall/dlopen.cpp Fri Jun 29 10:22:58 2018
@@ -88,7 +88,7 @@ static void restore_code() {
                    MAP_PRIVATE | MAP_ANONYMOUS | MAP_FIXED, 0, 0);
   assert(code == real_start);
   memcpy(code, saved_code, kCodeSize);
-  __clear_cache(code, code + kCodeSize);
+  __builtin___clear_cache(code, code + kCodeSize);
 }
 
 int main(int argc, char *argv[]) {