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authorH.J. Lu <hjl.tools@gmail.com>2021-11-15 05:17:55 -0800
committerH.J. Lu <hjl.tools@gmail.com>2021-11-15 05:41:54 -0800
commit650108971b88f8c2484e07139c294912222f9e05 (patch)
treeadc1d44fe9f421e46d9170e46f23c95ec6830016 /gcc
parent7d768a9d6fff1605b1cc9919528a5d224441d450 (diff)
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x86: Add gcc.target/i386/pr103205-2.c
PR target/103205 * gcc.target/i386/pr103205-2.c: New test.
Diffstat (limited to 'gcc')
-rw-r--r--gcc/testsuite/gcc.target/i386/pr103205-2.c46
1 files changed, 46 insertions, 0 deletions
diff --git a/gcc/testsuite/gcc.target/i386/pr103205-2.c b/gcc/testsuite/gcc.target/i386/pr103205-2.c
new file mode 100644
index 0000000..705081e
--- /dev/null
+++ b/gcc/testsuite/gcc.target/i386/pr103205-2.c
@@ -0,0 +1,46 @@
+/* { dg-do compile } */
+/* { dg-options "-O2 -mtune-ctrl=^himode_math" } */
+
+extern short foo;
+extern unsigned short bar;
+
+int
+foo1 (void)
+{
+ return __sync_fetch_and_and (&foo, ~1) & 1;
+}
+
+int
+foo2 (void)
+{
+ return __sync_fetch_and_or (&foo, 1) & 1;
+}
+
+int
+foo3 (void)
+{
+ return __sync_fetch_and_xor (&foo, 1) & 1;
+}
+
+unsigned short
+bar1 (void)
+{
+ return __sync_fetch_and_and (&bar, ~1) & 1;
+}
+
+unsigned short
+bar2 (void)
+{
+ return __sync_fetch_and_or (&bar, 1) & 1;
+}
+
+unsigned short
+bar3 (void)
+{
+ return __sync_fetch_and_xor (&bar, 1) & 1;
+}
+
+/* { dg-final { scan-assembler-times "lock;?\[ \t\]*btrw" 2 } } */
+/* { dg-final { scan-assembler-times "lock;?\[ \t\]*btsw" 2 } } */
+/* { dg-final { scan-assembler-times "lock;?\[ \t\]*btcw" 2 } } */
+/* { dg-final { scan-assembler-not "cmpxchgw" } } */