commit 6dcef8fc0c671002c017374b48b09be08bf516f1
author Cullen Rhodes <cullen.rhodes@arm.com> Mon May 13 10:10:24 2019 +0000
committer Cullen Rhodes <cullen.rhodes@arm.com> Mon May 13 10:10:24 2019 +0000
tree 9eaeb4ac5fac258e5c9c9364fc315090047aa454
parent 3c72fe1bad4a5a461e7f92fb0d90fb5876cbab81

[AArch64][SVE2] Add SVE2 target features to backend and TargetParser

Summary:
This patch adds the following features defined by Arm SVE2 architecture
extension:

  sve2, sve2-aes, sve2-sm4, sve2-sha3, bitperm

For existing CPUs these features are declared as unsupported to prevent
scheduler errors.

The specification can be found here:
https://developer.arm.com/docs/ddi0602/latest

Reviewers: SjoerdMeijer, sdesmalen, ostannard, rovka

Reviewed By: SjoerdMeijer, rovka

Subscribers: rovka, javed.absar, tschuett, kristof.beyls, kristina, llvm-commits

Tags: #llvm

Differential Revision: https://reviews.llvm.org/D61513

llvm-svn: 360573

llvm/lib/Support/AArch64TargetParser.cpp

diff --git a/llvm/lib/Support/AArch64TargetParser.cpp b/llvm/lib/Support/AArch64TargetParser.cpp
index faf8385..df4caa1 100644
--- a/llvm/lib/Support/AArch64TargetParser.cpp
+++ b/llvm/lib/Support/AArch64TargetParser.cpp
@@ -88,6 +88,16 @@
     Features.push_back("+rdm");
   if (Extensions & AEK_SVE)
     Features.push_back("+sve");
+  if (Extensions & AEK_SVE2)
+    Features.push_back("+sve2");
+  if (Extensions & AEK_SVE2AES)
+    Features.push_back("+sve2-aes");
+  if (Extensions & AEK_SVE2SM4)
+    Features.push_back("+sve2-sm4");
+  if (Extensions & AEK_SVE2SHA3)
+    Features.push_back("+sve2-sha3");
+  if (Extensions & AEK_BITPERM)
+    Features.push_back("+bitperm");
   if (Extensions & AEK_RCPC)
     Features.push_back("+rcpc");