[PATCH] D93539: [VE] Support STACKSAVE and STACKRESTORE

[Kazushi Marukawa via Phabricator via llvm-commits]

kaz7 added a comment.

Thank you for comment.



================
Comment at: llvm/test/CodeGen/VE/Scalar/stacksave.ll:17-18
+; CHECK:       .LBB{{[0-9]+}}_2:
+; CHECK-NEXT:    or %s11, 0, %s0
+; CHECK-NEXT:    or %s11, 0, %s9
+  call void @llvm.stackrestore(i8* %ptr)
----------------
simoll wrote:
> Why do we want `%s11` to be assigned twice?
`stackrestore` assignes `%s0` to `%s11` (=`%sp`).  Then, epilogue of this function restore `%s11` again using `%s9` (=`%fp`=saved stack pointer).


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  https://reviews.llvm.org/D93539/new/

https://reviews.llvm.org/D93539