FEAT_CSSC is mandatory in the architecture from Armv8.9.
gcc/ChangeLog:
* config/aarch64/aarch64-arches.def: Add CSSC to V8_9A
dependencies.
---
Bootstrapped and regression tested on aarch64. Ok for master?
diff --git a/gcc/config/aarch64/aarch64-arches.def
b/gcc/config/aarch64/aarch64-arches.def
index
9bec30e9203bac01155281ef3474846c402bb29e..4634b272e28006b5c6c2d6705a2f1010cbd9ab9b
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))
