[compiler-rt] b176738 - [TSan] Disable __TSAN_HAS_INT128 on SystemZ

[Ilya Leoshkevich via llvm-commits]

Author: Ilya Leoshkevich
Date: 2021-07-15T12:18:48+02:00
New Revision: b17673816d7f65e07015489993b22049e36b04db

URL: https://github.com/llvm/llvm-project/commit/b17673816d7f65e07015489993b22049e36b04db
DIFF: https://github.com/llvm/llvm-project/commit/b17673816d7f65e07015489993b22049e36b04db.diff

LOG: [TSan] Disable __TSAN_HAS_INT128 on SystemZ

SystemZ does not have 128-bit atomics.

Reviewed By: dvyukov

Differential Revision: https://reviews.llvm.org/D105629

Added: 
    

Modified: 
    compiler-rt/lib/tsan/rtl/tsan_interface.h

Removed: 
    


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diff  --git a/compiler-rt/lib/tsan/rtl/tsan_interface.h b/compiler-rt/lib/tsan/rtl/tsan_interface.h
index 6e022b56850c..124aa2fd2143 100644
--- a/compiler-rt/lib/tsan/rtl/tsan_interface.h
+++ b/compiler-rt/lib/tsan/rtl/tsan_interface.h
@@ -196,7 +196,8 @@ typedef unsigned short a16;
 typedef unsigned int       a32;
 typedef unsigned long long a64;
 #if !SANITIZER_GO && (defined(__SIZEOF_INT128__) \
-    || (__clang_major__ * 100 + __clang_minor__ >= 302)) && !defined(__mips64)
+    || (__clang_major__ * 100 + __clang_minor__ >= 302)) && \
+    !defined(__mips64) && !defined(__s390x__)
 __extension__ typedef __int128 a128;
 # define __TSAN_HAS_INT128 1
 #else