[gcc(refs/vendors/ARM/heads/gcs)] aarch64: Add branch-protection target pragma tests

[Szabolcs Nagy via Gcc-cvs]

https://gcc.gnu.org/g:2c160a731e7764e97a2b8014149aaee47a11fbba

commit 2c160a731e7764e97a2b8014149aaee47a11fbba
Author: Szabolcs Nagy <szabolcs.n...@arm.com>
Date:   Fri Jun 30 16:31:23 2023 +0100

    aarch64: Add branch-protection target pragma tests
    
    gcc/testsuite/ChangeLog:
    
            * gcc.target/aarch64/pragma_cpp_predefs_4.c: Add branch-protection
            tests.

Diff:
---
 .../gcc.target/aarch64/pragma_cpp_predefs_4.c      | 50 ++++++++++++++++++++++
 1 file changed, 50 insertions(+)

diff --git a/gcc/testsuite/gcc.target/aarch64/pragma_cpp_predefs_4.c 
b/gcc/testsuite/gcc.target/aarch64/pragma_cpp_predefs_4.c
index 23ebe5e4f50..8e707630774 100644
--- a/gcc/testsuite/gcc.target/aarch64/pragma_cpp_predefs_4.c
+++ b/gcc/testsuite/gcc.target/aarch64/pragma_cpp_predefs_4.c
@@ -83,3 +83,53 @@
 #ifndef __ARM_FEATURE_SME_F64F64
 #error Foo
 #endif
+
+#pragma GCC target "branch-protection=standard"
+#ifndef __ARM_FEATURE_BTI_DEFAULT
+#error Foo
+#endif
+#if __ARM_FEATURE_PAC_DEFAULT != 1
+#error Foo
+#endif
+
+#pragma GCC target ("branch-protection=none")
+#ifdef __ARM_FEATURE_BTI_DEFAULT
+#error Foo
+#endif
+#ifdef __ARM_FEATURE_PAC_DEFAULT
+#error Foo
+#endif
+
+#pragma GCC push_options
+#pragma GCC target "branch-protection=bti+pac-ret"
+#ifndef __ARM_FEATURE_BTI_DEFAULT
+#error Foo
+#endif
+#pragma GCC pop_options
+#ifdef __ARM_FEATURE_BTI_DEFAULT
+#error Foo
+#endif
+
+#pragma GCC target "branch-protection=bti"
+#ifndef __ARM_FEATURE_BTI_DEFAULT
+#error Foo
+#endif
+#ifdef __ARM_FEATURE_PAC_DEFAULT
+#error Foo
+#endif
+
+#pragma GCC target "branch-protection=pac-ret"
+#ifdef __ARM_FEATURE_BTI_DEFAULT
+#error Foo
+#endif
+#if __ARM_FEATURE_PAC_DEFAULT != 1
+#error Foo
+#endif
+
+#pragma GCC target "branch-protection=pac-ret+leaf+b-key"
+#ifdef __ARM_FEATURE_BTI_DEFAULT
+#error Foo
+#endif
+#if __ARM_FEATURE_PAC_DEFAULT != 6
+#error Foo
+#endif