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[src/trunk]: src When building the atomic op test on SPARC64 with Clang, skip...



details:   https://anonhg.NetBSD.org/src/rev/7ad1c9a55f87
branches:  trunk
changeset: 813950:7ad1c9a55f87
user:      joerg <joerg%NetBSD.org@localhost>
date:      Sat Feb 27 18:50:39 2016 +0000

description:
When building the atomic op test on SPARC64 with Clang, skip the
sub-32bit tests for now. Clang currently doesn't synthesize a CAS
replacement nor does it create a libcall.

diffstat:

 doc/TODO.clang                                 |   5 ++++-
 tests/lib/libc/sync/cpp_atomic_ops_linkable.cc |  16 ++++++++++++++--
 2 files changed, 18 insertions(+), 3 deletions(-)

diffs (82 lines):

diff -r c50324fb1b3f -r 7ad1c9a55f87 doc/TODO.clang
--- a/doc/TODO.clang    Sat Feb 27 18:34:12 2016 +0000
+++ b/doc/TODO.clang    Sat Feb 27 18:50:39 2016 +0000
@@ -1,4 +1,4 @@
-$NetBSD: TODO.clang,v 1.17 2015/05/14 19:27:23 joerg Exp $
+$NetBSD: TODO.clang,v 1.18 2016/02/27 18:50:39 joerg Exp $
 
 Hacks for the clang integration
 -------------------------------
@@ -11,3 +11,6 @@
 
 src/external/mit/xorg/lib/pixman uses -fno-integrated-as on ARM for the
 macro (ab)use.
+
+src/tests/lib/libc/sync disables tests for atomics shorter than 32bit on
+SPARC64 due to missing codegen support.
diff -r c50324fb1b3f -r 7ad1c9a55f87 tests/lib/libc/sync/cpp_atomic_ops_linkable.cc
--- a/tests/lib/libc/sync/cpp_atomic_ops_linkable.cc    Sat Feb 27 18:34:12 2016 +0000
+++ b/tests/lib/libc/sync/cpp_atomic_ops_linkable.cc    Sat Feb 27 18:50:39 2016 +0000
@@ -1,4 +1,4 @@
-/* $NetBSD: cpp_atomic_ops_linkable.cc,v 1.3 2014/10/12 12:26:41 martin Exp $ */
+/* $NetBSD: cpp_atomic_ops_linkable.cc,v 1.4 2016/02/27 18:50:39 joerg Exp $ */
 
 /*-
  * Copyright (c) 2014 The NetBSD Foundation, Inc.
@@ -58,13 +58,19 @@
   volatile std::atomic<T> m_val;
 };
 
+#if defined(__clang__) && defined(__sparc64__)
+#define NO_SHORT_ATOMICS
+#endif
+
 int main(int argc, char **argv)
 {
+#ifndef NO_SHORT_ATOMICS
   ATest<char>();
   ATest<signed char>();
   ATest<unsigned char>();
   ATest<short>();
   ATest<unsigned short>();
+#endif
   ATest<int>();
   ATest<unsigned int>();
   ATest<long>();
@@ -73,23 +79,29 @@
   ATest<long long>();
   ATest<unsigned long long>();
 #endif
+#ifndef NO_SHORT_ATOMICS
   ATest<char16_t>();
+#endif
   ATest<char32_t>();
   ATest<wchar_t>();
+#ifndef NO_SHORT_ATOMICS
   ATest<int_least8_t>();
   ATest<uint_least8_t>();
   ATest<int_least16_t>();
   ATest<uint_least16_t>();
+#endif
   ATest<int_least32_t>();
   ATest<uint_least32_t>();
 #ifdef __HAVE_ATOMIC64_OPS
   ATest<int_least64_t>();
   ATest<uint_least64_t>();
 #endif
+#ifndef NO_SHORT_ATOMICS
   ATest<int_fast8_t>();
   ATest<uint_fast8_t>();
   ATest<int_fast16_t>();
   ATest<uint_fast16_t>();
+#endif
   ATest<int_fast32_t>();
   ATest<uint_fast32_t>();
 #ifdef __HAVE_ATOMIC64_OPS
@@ -103,5 +115,5 @@
 #ifdef __HAVE_ATOMIC64_OPS
   ATest<intmax_t>();
   ATest<uintmax_t>();
-#endif
+#endif /* NO_SHORT_ATOMICS */
 }



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