[PATCH] D71760: [POC][SVE] Allow code generation for fixed length vectorised loops [Patch 1/2].

[Paul Walker via Phabricator via cfe-commits]

paulwalker-arm updated this revision to Diff 279217.
paulwalker-arm added a comment.

Rebase.


Repository:
  rG LLVM Github Monorepo

CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D71760/new/

https://reviews.llvm.org/D71760

Files:
  clang/lib/Driver/ToolChains/Clang.cpp


Index: clang/lib/Driver/ToolChains/Clang.cpp
===================================================================
--- clang/lib/Driver/ToolChains/Clang.cpp
+++ clang/lib/Driver/ToolChains/Clang.cpp
@@ -1721,9 +1721,16 @@
     StringRef Val = A->getValue();
     const Driver &D = getToolChain().getDriver();
     if (Val.equals("128") || Val.equals("256") || Val.equals("512") ||
-        Val.equals("1024") || Val.equals("2048"))
+        Val.equals("1024") || Val.equals("2048")) {
       CmdArgs.push_back(
           Args.MakeArgString(llvm::Twine("-msve-vector-bits=") + Val));
+      CmdArgs.push_back("-mllvm");
+      CmdArgs.push_back(
+          Args.MakeArgString("-aarch64-sve-vector-bits-min=" + Val));
+      // CmdArgs.push_back("-mllvm");
+      // CmdArgs.push_back(
+      //    Args.MakeArgString("-aarch64-sve-vector-bits-max=" + Val));
+    }
     // Silently drop requests for vector-length agnostic code as it's implied.
     else if (!Val.equals("scalable"))
       // Handle the unsupported values passed to msve-vector-bits.



Index: clang/lib/Driver/ToolChains/Clang.cpp
===================================================================
--- clang/lib/Driver/ToolChains/Clang.cpp
+++ clang/lib/Driver/ToolChains/Clang.cpp
@@ -1721,9 +1721,16 @@
     StringRef Val = A->getValue();
     const Driver &D = getToolChain().getDriver();
     if (Val.equals("128") || Val.equals("256") || Val.equals("512") ||
-        Val.equals("1024") || Val.equals("2048"))
+        Val.equals("1024") || Val.equals("2048")) {
       CmdArgs.push_back(
           Args.MakeArgString(llvm::Twine("-msve-vector-bits=") + Val));
+      CmdArgs.push_back("-mllvm");
+      CmdArgs.push_back(
+          Args.MakeArgString("-aarch64-sve-vector-bits-min=" + Val));
+      // CmdArgs.push_back("-mllvm");
+      // CmdArgs.push_back(
+      //    Args.MakeArgString("-aarch64-sve-vector-bits-max=" + Val));
+    }
     // Silently drop requests for vector-length agnostic code as it's implied.
     else if (!Val.equals("scalable"))
       // Handle the unsupported values passed to msve-vector-bits.

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