[gcc r15-5269] aarch64: Add ACLE feature macros for GCS

[Richard Sandiford via Gcc-cvs]

https://gcc.gnu.org/g:5ec239f1e2f9139e6dffe1a51891039f9aa3ae36

commit r15-5269-g5ec239f1e2f9139e6dffe1a51891039f9aa3ae36
Author: Szabolcs Nagy <szabolcs.n...@arm.com>
Date:   Thu Nov 14 16:15:09 2024 +0000

    aarch64: Add ACLE feature macros for GCS
    
    gcc/ChangeLog:
    
            * config/aarch64/aarch64-c.cc (aarch64_update_cpp_builtins): Define
            macros for GCS.

Diff:
---
 gcc/config/aarch64/aarch64-c.cc | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/gcc/config/aarch64/aarch64-c.cc b/gcc/config/aarch64/aarch64-c.cc
index d1ae80c0bb3e..faedb25ddb3f 100644
--- a/gcc/config/aarch64/aarch64-c.cc
+++ b/gcc/config/aarch64/aarch64-c.cc
@@ -248,6 +248,9 @@ aarch64_update_cpp_builtins (cpp_reader *pfile)
 
   aarch64_def_or_undef (TARGET_PAUTH, "__ARM_FEATURE_PAUTH", pfile);
   aarch64_def_or_undef (TARGET_BTI, "__ARM_FEATURE_BTI", pfile);
+  aarch64_def_or_undef (aarch64_gcs_enabled (),
+                       "__ARM_FEATURE_GCS_DEFAULT", pfile);
+  aarch64_def_or_undef (TARGET_GCS, "__ARM_FEATURE_GCS", 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);