[gcc r14-9951] aarch64: Enable +cssc for armv8.9-a

[gcc r14-9951] aarch64: Enable +cssc for armv8.9-a

[Andrew Carlotti]

https://gcc.gnu.org/g:b18162759a6d464256b0195bc6447f0a1c9dd5dd

commit r14-9951-gb18162759a6d464256b0195bc6447f0a1c9dd5dd
Author: Andrew Carlotti <andrew.carlotti@arm.com>
Date:   Thu Apr 11 17:00:30 2024 +0100

    aarch64: Enable +cssc for armv8.9-a
    
    FEAT_CSSC is mandatory in the architecture from Armv8.9.
    
    gcc/ChangeLog:
    
            * config/aarch64/aarch64-arches.def: Add CSSC to V8_9A
            dependencies.

Diff:
---
 gcc/config/aarch64/aarch64-arches.def | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/gcc/config/aarch64/aarch64-arches.def b/gcc/config/aarch64/aarch64-arches.def
index 9bec30e9203..4634b272e28 100644
--- a/gcc/config/aarch64/aarch64-arches.def
+++ b/gcc/config/aarch64/aarch64-arches.def
@@ -39,7 +39,7 @@ AARCH64_ARCH("armv8.5-a",     generic_armv8_a,   V8_5A,     8,  (V8_4A, SB, SSBS
 AARCH64_ARCH("armv8.6-a",     generic_armv8_a,   V8_6A,     8,  (V8_5A, I8MM, BF16))
 AARCH64_ARCH("armv8.7-a",     generic_armv8_a,   V8_7A,     8,  (V8_6A))
 AARCH64_ARCH("armv8.8-a",     generic_armv8_a,   V8_8A,     8,  (V8_7A, MOPS))
-AARCH64_ARCH("armv8.9-a",     generic_armv8_a,   V8_9A,     8,  (V8_8A))
+AARCH64_ARCH("armv8.9-a",     generic_armv8_a,   V8_9A,     8,  (V8_8A, CSSC))
 AARCH64_ARCH("armv8-r",       generic_armv8_a,   V8R  ,     8,  (V8_4A))
 AARCH64_ARCH("armv9-a",       generic_armv9_a,   V9A  ,     9,  (V8_5A, SVE2))
 AARCH64_ARCH("armv9.1-a",     generic_armv9_a,   V9_1A,     9,  (V8_6A, V9A))