Add DX as a second return value register for i16 on x86.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@49440 91177308-0d34-0410-b5e6-96231b3b80d8

diff --git a/lib/Target/X86/X86CallingConv.td b/lib/Target/X86/X86CallingConv.td
index c60611d065e8832e7d7e76e725e0a064fa19e0bc..dc2105327ca3f1d067c97879127c504a372fcd9c 100644 (file)
--- a/lib/Target/X86/X86CallingConv.td
+++ b/lib/Target/X86/X86CallingConv.td
@@ -24,7 +24,7 @@ class CCIfSubtarget<string F, CCAction A>
 def RetCC_X86Common : CallingConv<[
   // Scalar values are returned in AX first, then DX.
   CCIfType<[i8] , CCAssignToReg<[AL]>>,
-  CCIfType<[i16], CCAssignToReg<[AX]>>,
+  CCIfType<[i16], CCAssignToReg<[AX, DX]>>,
   CCIfType<[i32], CCAssignToReg<[EAX, EDX]>>,
   CCIfType<[i64], CCAssignToReg<[RAX, RDX]>>,