From: Szabolcs Nagy <[email protected]>
gcc/testsuite/ChangeLog:
* gcc.target/aarch64/acle/chkfeat-1.c: New test.
* gcc.target/aarch64/chkfeat-1.c: New test.
* gcc.target/aarch64/chkfeat-2.c: New test.
Co-authored-by: Yury Khrustalev <[email protected]>
Co-authored-by: Richard Sandiford <[email protected]>
---
.../gcc.target/aarch64/acle/chkfeat-1.c | 20 +++++
gcc/testsuite/gcc.target/aarch64/chkfeat-1.c | 75 +++++++++++++++++++
gcc/testsuite/gcc.target/aarch64/chkfeat-2.c | 30 ++++++++
3 files changed, 125 insertions(+)
create mode 100644 gcc/testsuite/gcc.target/aarch64/acle/chkfeat-1.c
create mode 100644 gcc/testsuite/gcc.target/aarch64/chkfeat-1.c
create mode 100644 gcc/testsuite/gcc.target/aarch64/chkfeat-2.c
diff --git a/gcc/testsuite/gcc.target/aarch64/acle/chkfeat-1.c
b/gcc/testsuite/gcc.target/aarch64/acle/chkfeat-1.c
new file mode 100644
index 00000000000..fd15e22df12
--- /dev/null
+++ b/gcc/testsuite/gcc.target/aarch64/acle/chkfeat-1.c
@@ -0,0 +1,20 @@
+/* Test the __chkfeat ACLE intrinsic. */
+/* { dg-do compile } */
+/* { dg-options "-O1 -march=armv8.9-a" } */
+/* { dg-final { check-function-bodies "**" "" } } */
+
+#include <arm_acle.h>
+
+/*
+** test_chkfeat:
+** ...
+** mov x16, 1
+** hint 40 // chkfeat x16
+** eor x0, x16, 1
+** ret
+*/
+uint64_t
+test_chkfeat ()
+{
+ return __chkfeat (1);
+}
diff --git a/gcc/testsuite/gcc.target/aarch64/chkfeat-1.c
b/gcc/testsuite/gcc.target/aarch64/chkfeat-1.c
new file mode 100644
index 00000000000..2fae81e740f
--- /dev/null
+++ b/gcc/testsuite/gcc.target/aarch64/chkfeat-1.c
@@ -0,0 +1,75 @@
+/* { dg-do compile } */
+/* { dg-options "-O2 -mbranch-protection=none" } */
+/* { dg-final { check-function-bodies "**" "" "" } } */
+
+/*
+**foo1:
+** mov x16, 1
+** hint 40 // chkfeat x16
+** mov x0, x16
+** ret
+*/
+unsigned long long
+foo1 (void)
+{
+ return __builtin_aarch64_chkfeat (1);
+}
+
+/*
+**foo2:
+** mov x16, 1
+** movk x16, 0x5678, lsl 32
+** movk x16, 0x1234, lsl 48
+** hint 40 // chkfeat x16
+** mov x0, x16
+** ret
+*/
+unsigned long long
+foo2 (void)
+{
+ return __builtin_aarch64_chkfeat (0x1234567800000001);
+}
+
+/*
+**foo3:
+** mov x16, x0
+** hint 40 // chkfeat x16
+** mov x0, x16
+** ret
+*/
+unsigned long long
+foo3 (unsigned long long x)
+{
+ return __builtin_aarch64_chkfeat (x);
+}
+
+/*
+**foo4:
+** ldr x16, \[x0\]
+** hint 40 // chkfeat x16
+** str x16, \[x0\]
+** ret
+*/
+void
+foo4 (unsigned long long *p)
+{
+ *p = __builtin_aarch64_chkfeat (*p);
+}
+
+/*
+**foo5:
+** mov x16, 1
+** hint 40 // chkfeat x16
+** cmp x16, 0
+**(
+** csel w0, w1, w0, eq
+**|
+** csel w0, w0, w1, ne
+**)
+** ret
+*/
+int
+foo5 (int x, int y)
+{
+ return __builtin_aarch64_chkfeat (1) ? x : y;
+}
diff --git a/gcc/testsuite/gcc.target/aarch64/chkfeat-2.c
b/gcc/testsuite/gcc.target/aarch64/chkfeat-2.c
new file mode 100644
index 00000000000..f98d7096ffd
--- /dev/null
+++ b/gcc/testsuite/gcc.target/aarch64/chkfeat-2.c
@@ -0,0 +1,30 @@
+/* { dg-do compile } */
+/* { dg-options "-O2" } */
+/* { dg-final { check-function-bodies "**" "" "" } } */
+
+void bar (void);
+
+/* Extern call may change enabled HW features. */
+
+/*
+** foo:
+** ...
+** mov x16, 1
+** ...
+** hint 40 // chkfeat x16
+** ...
+** bl bar
+** ...
+** mov x16, 1
+** ...
+** hint 40 // chkfeat x16
+** ...
+*/
+unsigned long long
+foo (void)
+{
+ unsigned long long a = __builtin_aarch64_chkfeat (1);
+ bar ();
+ unsigned long long b = __builtin_aarch64_chkfeat (1);
+ return a + b;
+}
--
2.39.5
