Add ARMv9.2-a arch option.
Bug: 364383722
Test: presubmit
Change-Id: Ica7266f6dbac490836f94f7e19685383aba2749f
diff --git a/android/arch_list.go b/android/arch_list.go
index f1289a3..2937092 100644
--- a/android/arch_list.go
+++ b/android/arch_list.go
@@ -159,6 +159,9 @@
"armv9-a": {
"dotprod",
},
+ "armv9-2a": {
+ "dotprod",
+ },
},
X86: {
"amberlake": {
diff --git a/cc/config/arm64_device.go b/cc/config/arm64_device.go
index beb68e1..761afcf 100644
--- a/cc/config/arm64_device.go
+++ b/cc/config/arm64_device.go
@@ -41,11 +41,18 @@
"armv8-2a-dotprod": []string{
"-march=armv8.2-a+dotprod",
},
+ // On ARMv9 and later, Pointer Authentication Codes (PAC) are mandatory,
+ // so -fstack-protector is unnecessary.
"armv9-a": []string{
"-march=armv8.2-a+dotprod",
"-mbranch-protection=standard",
"-fno-stack-protector",
},
+ "armv9-2a": []string{
+ "-march=armv9.2-a",
+ "-mbranch-protection=standard",
+ "-fno-stack-protector",
+ },
}
arm64Ldflags = []string{