Define the __ARM_FEATURE_BTI_DEFAULT feature test
macro when BTI branch protection is enabled.
gcc/ChangeLog:
2020-07-08 Szabolcs Nagy <szabolcs.n...@arm.com>
* config/aarch64/aarch64-c.c (aarch64_update_cpp_builtins): Add
__ARM_FEATURE_BTI_DEFAULT support.
---
gcc/config/aarch64/aarch64-c.c | 3 +++
1 file changed, 3 insertions(+)
diff --git a/gcc/config/aarch64/aarch64-c.c b/gcc/config/aarch64/aarch64-c.c
index e1c1cd415dc..1882288af8d 100644
--- a/gcc/config/aarch64/aarch64-c.c
+++ b/gcc/config/aarch64/aarch64-c.c
@@ -178,6 +178,9 @@ aarch64_update_cpp_builtins (cpp_reader *pfile)
aarch64_def_or_undef (TARGET_RNG, "__ARM_FEATURE_RNG", pfile);
aarch64_def_or_undef (TARGET_MEMTAG, "__ARM_FEATURE_MEMORY_TAGGING", pfile);
+ aarch64_def_or_undef (aarch64_bti_enabled (),
+ "__ARM_FEATURE_BTI_DEFAULT", pfile);
+
aarch64_def_or_undef (TARGET_I8MM, "__ARM_FEATURE_MATMUL_INT8", pfile);
aarch64_def_or_undef (TARGET_BF16_SIMD,
"__ARM_FEATURE_BF16_VECTOR_ARITHMETIC", pfile);
--
2.17.1
