From: H.J. Lu <hjl.tools@gmail.com>
Date: Mon, 15 Nov 2021 13:17:55 +0000 (-0800)
Subject: x86: Add gcc.target/i386/pr103205-2.c
X-Git-Tag: upstream/12.2.0~3426
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=650108971b88f8c2484e07139c294912222f9e05;p=platform%2Fupstream%2Fgcc.git

x86: Add gcc.target/i386/pr103205-2.c

	PR target/103205
	* gcc.target/i386/pr103205-2.c: New test.
---

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" } } */