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authorH.J. Lu <hjl.tools@gmail.com>2024-12-16 18:56:55 +0800
committerH.J. Lu <hjl.tools@gmail.com>2024-12-22 12:56:49 +0800
commite5a52298680d3af2cf384fbedbd8be22a165574f (patch)
treec8c3beae8eb8e34ffbcba420c57f863d0a96da45 /misc
parentd9d30f6cb582fbd3932aa4731061c6335ffc5a70 (diff)
downloadglibc-e5a52298680d3af2cf384fbedbd8be22a165574f.tar.xz
glibc-e5a52298680d3af2cf384fbedbd8be22a165574f.zip
tst-atomic.c: Mark as UNSUPPORTED when compiled with Clang
Since Clang can't remove the dead statement and issues an error: tst-atomic.c:463:7: error: unsupported inline asm: input with type 'int64_t' (aka 'long') matching output with type 'typeof (*&mem)' (aka 'int') 463 | if (catomic_exchange_and_add (&mem, 11) != 2 | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ ../sysdeps/x86/atomic-machine.h:213:3: note: expanded from macro 'catomic_exchange_and_add' 213 | __arch_exchange_and_add_body (__arch_exchange_and_add_cprefix, __arch_c, \ | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ 214 | mem, value) | ~~~~~~~~~~~ ../sysdeps/x86/atomic-machine.h:199:12: note: expanded from macro '__arch_exchange_and_add_body' 198 | : "=r" (__result), "=m" (*mem) \ | ~~~~~~~~ 199 | : "0" ((int64_t) cast_to_integer (__addval)), \ | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ tst-atomic.c:487:7: error: unsupported inline asm: input with type 'int64_t' (aka 'long') matching output with type 'typeof (*(&mem))' (aka 'int') 487 | if (catomic_increment_val (&mem) != 3) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~ ../include/atomic.h:313:38: note: expanded from macro 'catomic_increment_val' 313 | # define catomic_increment_val(mem) (catomic_exchange_and_add ((mem), 1) + 1) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ ../sysdeps/x86/atomic-machine.h:213:3: note: expanded from macro 'catomic_exchange_and_add' 213 | __arch_exchange_and_add_body (__arch_exchange_and_add_cprefix, __arch_c, \ | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ 214 | mem, value) | ~~~~~~~~~~~ ../sysdeps/x86/atomic-machine.h:199:12: note: expanded from macro '__arch_exchange_and_add_body' 198 | : "=r" (__result), "=m" (*mem) \ | ~~~~~~~~ 199 | : "0" ((int64_t) cast_to_integer (__addval)), \ | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ tst-atomic.c:501:7: error: unsupported inline asm: input with type 'int64_t' (aka 'long') matching output with type 'typeof (*(&mem))' (aka 'int') 501 | if (catomic_decrement_val (&mem) != 15) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~ ../include/atomic.h:340:38: note: expanded from macro 'catomic_decrement_val' 340 | # define catomic_decrement_val(mem) (catomic_exchange_and_add ((mem), -1) - 1) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ ../sysdeps/x86/atomic-machine.h:213:3: note: expanded from macro 'catomic_exchange_and_add' 213 | __arch_exchange_and_add_body (__arch_exchange_and_add_cprefix, __arch_c, \ | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ 214 | mem, value) | ~~~~~~~~~~~ ../sysdeps/x86/atomic-machine.h:199:12: note: expanded from macro '__arch_exchange_and_add_body' 198 | : "=r" (__result), "=m" (*mem) \ | ~~~~~~~~ 199 | : "0" ((int64_t) cast_to_integer (__addval)), \ | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ mark tst-atomic.c as UNSUPPORTED when compiled with Clang. Signed-off-by: H.J. Lu <hjl.tools@gmail.com> Reviewed-by: Sam James <sam@gentoo.org>
Diffstat (limited to 'misc')
-rw-r--r--misc/tst-atomic.c10
1 files changed, 10 insertions, 0 deletions
diff --git a/misc/tst-atomic.c b/misc/tst-atomic.c
index 65d0752c91..5576f682ca 100644
--- a/misc/tst-atomic.c
+++ b/misc/tst-atomic.c
@@ -16,6 +16,7 @@
License along with the GNU C Library; if not, see
<https://www.gnu.org/licenses/>. */
+#ifndef __clang__
#include <stdio.h>
#include <atomic.h>
@@ -636,3 +637,12 @@ do_test (void)
}
#include <support/test-driver.c>
+#else
+#include <support/test-driver.h>
+
+int
+main (void)
+{
+ return EXIT_UNSUPPORTED;
+}
+#endif