Start moving sparc to use SparcCallingConv.td, switching over
return lowering first. This fixes a bug where the top and bottom
of i64 values were returned in the wrong registers before.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@48443 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Target/Sparc/SparcCallingConv.td b/lib/Target/Sparc/SparcCallingConv.td
new file mode 100644
index 0000000..02d2439
--- /dev/null
+++ b/lib/Target/Sparc/SparcCallingConv.td
@@ -0,0 +1,23 @@
+//===- SparcCallingConv.td - Calling Conventions Sparc -----*- tablegen -*-===//
+//
+// The LLVM Compiler Infrastructure
+//
+// This file is distributed under the University of Illinois Open Source
+// License. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+//
+// This describes the calling conventions for the Sparc architectures.
+//
+//===----------------------------------------------------------------------===//
+
+//===----------------------------------------------------------------------===//
+// Return Value Calling Conventions
+//===----------------------------------------------------------------------===//
+
+// Sparc 32-bit C return-value convention.
+def RetCC_Sparc32 : CallingConv<[
+ CCIfType<[i32], CCAssignToReg<[I0, I1]>>,
+ CCIfType<[f32], CCAssignToReg<[F0]>>,
+ CCIfType<[f64], CCAssignToReg<[D0]>>
+]>;