aboutsummaryrefslogtreecommitdiff
path: root/gcc/config/aarch64/aarch64.opt
diff options
context:
space:
mode:
Diffstat (limited to 'gcc/config/aarch64/aarch64.opt')
-rw-r--r--gcc/config/aarch64/aarch64.opt17
1 files changed, 17 insertions, 0 deletions
diff --git a/gcc/config/aarch64/aarch64.opt b/gcc/config/aarch64/aarch64.opt
index 56b920d..5436884 100644
--- a/gcc/config/aarch64/aarch64.opt
+++ b/gcc/config/aarch64/aarch64.opt
@@ -149,6 +149,23 @@ mpc-relative-literal-loads
Target Report Save Var(pcrelative_literal_loads) Init(2) Save
PC relative literal loads.
+msign-return-address=
+Target RejectNegative Report Joined Enum(aarch64_ra_sign_scope_t) Var(aarch64_ra_sign_scope) Init(AARCH64_FUNCTION_NONE) Save
+Select return address signing scope.
+
+Enum
+Name(aarch64_ra_sign_scope_t) Type(enum aarch64_function_type)
+Supported AArch64 return address signing scope (for use with -msign-return-address= option):
+
+EnumValue
+Enum(aarch64_ra_sign_scope_t) String(none) Value(AARCH64_FUNCTION_NONE)
+
+EnumValue
+Enum(aarch64_ra_sign_scope_t) String(non-leaf) Value(AARCH64_FUNCTION_NON_LEAF)
+
+EnumValue
+Enum(aarch64_ra_sign_scope_t) String(all) Value(AARCH64_FUNCTION_ALL)
+
mlow-precision-recip-sqrt
Common Var(flag_mrecip_low_precision_sqrt) Optimization
Enable the reciprocal square root approximation. Enabling this reduces