[PATCH] D43814: [x86][CET] Introduce _get_ssp, _inc_ssp intrinsics

[Gabor Buella via Phabricator via cfe-commits]

GBuella added inline comments.


================
Comment at: lib/Headers/cetintrin.h:45
+static __inline__ void __DEFAULT_FN_ATTRS _inc_ssp(unsigned int __a) {
+  __builtin_ia32_incsspq(__a);
+}
----------------
craig.topper wrote:
> Where is the zeroing behavior for older CPUs coming from? This implementation looks identical to _incsspq?
Do we need some zeroing behaviour for _inc_ssp?
I know we need it for _get_ssp.


Repository:
  rC Clang

https://reviews.llvm.org/D43814