Fix cmake build.

[oota-llvm.git] / lib / Target / Mips / MipsCallingConv.td

diff --git a/lib/Target/Mips/MipsCallingConv.td b/lib/Target/Mips/MipsCallingConv.td
index 034a8d16ca3068818d18aa78c67f7dec62579e28..57aeb1d2793c695cc3a25e0906cfa262a7b5869e 100644 (file)
--- a/lib/Target/Mips/MipsCallingConv.td
+++ b/lib/Target/Mips/MipsCallingConv.td
@@ -1,47 +1,39 @@
-//===- MipsCallingConv.td - Calling Conventions for Mips --------*- C++ -*-===//
-// 
+//===- MipsCallingConv.td - Calling Conventions for Mips ---*- 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 Mips architecture.
 //===----------------------------------------------------------------------===//
 
 /// CCIfSubtarget - Match if the current subtarget has a feature F.
-class CCIfSubtarget<string F, CCAction A>: 
+class CCIfSubtarget<string F, CCAction A>:
   CCIf<!strconcat("State.getTarget().getSubtarget<MipsSubtarget>().", F), A>;
 
 //===----------------------------------------------------------------------===//
 // Mips O32 Calling Convention
 //===----------------------------------------------------------------------===//
-def CC_MipsO32 : CallingConv<[
-  // Promote i8/i16 arguments to i32.
-  CCIfType<[i8, i16], CCPromoteToType<i32>>,
-
-  // The first 4 integer arguments are passed in integer registers.
-  CCIfType<[i32], CCAssignToReg<[A0, A1, A2, A3]>>,
-
-  // Integer values get stored in stack slots that are 4 bytes in
-  // size and 4-byte aligned.
-  CCIfType<[i32], CCAssignToStack<4, 4>>
-]>;
 
+// Only the return rules are defined here for O32. The rules for argument
+// passing are defined in MipsISelLowering.cpp.
 def RetCC_MipsO32 : CallingConv<[
   // i32 are returned in registers V0, V1
   CCIfType<[i32], CCAssignToReg<[V0, V1]>>,
 
-  // f32 are returned in registers F0, F1
-  CCIfType<[f32], CCAssignToReg<[F0, F1]>>,
+  // f32 are returned in registers F0, F2
+  CCIfType<[f32], CCAssignToReg<[F0, F2]>>,
 
-  // f64 are returned in register D0
-  CCIfType<[f64], CCIfSubtarget<"isNotSingleFloat()", CCAssignToReg<[D0]>>>
+  // f64 are returned in register D0, D1
+  CCIfType<[f64], CCIfSubtarget<"isNotSingleFloat()", CCAssignToReg<[D0, D1]>>>
 ]>;
 
 //===----------------------------------------------------------------------===//
 // Mips EABI Calling Convention
 //===----------------------------------------------------------------------===//
+
 def CC_MipsEABI : CallingConv<[
   // Promote i8/i16 arguments to i32.
   CCIfType<[i8, i16], CCPromoteToType<i32>>,
@@ -49,15 +41,15 @@ def CC_MipsEABI : CallingConv<[
   // Integer arguments are passed in integer registers.
   CCIfType<[i32], CCAssignToReg<[A0, A1, A2, A3, T0, T1, T2, T3]>>,
 
-  // Single fp arguments are passed in pairs within 32-bit mode 
-  CCIfType<[f32], CCIfSubtarget<"isSingleFloat()", 
+  // Single fp arguments are passed in pairs within 32-bit mode
+  CCIfType<[f32], CCIfSubtarget<"isSingleFloat()",
                   CCAssignToReg<[F12, F13, F14, F15, F16, F17, F18, F19]>>>,
 
-  CCIfType<[f32], CCIfSubtarget<"isNotSingleFloat()", 
+  CCIfType<[f32], CCIfSubtarget<"isNotSingleFloat()",
                   CCAssignToReg<[F12, F14, F16, F18]>>>,
 
-  // The first 4 doubl fp arguments are passed in single fp registers.
-  CCIfType<[f64], CCIfSubtarget<"isNotSingleFloat()", 
+  // The first 4 double fp arguments are passed in single fp registers.
+  CCIfType<[f64], CCIfSubtarget<"isNotSingleFloat()",
                   CCAssignToReg<[D6, D7, D8, D9]>>>,
 
   // Integer values get stored in stack slots that are 4 bytes in
@@ -85,8 +77,7 @@ def RetCC_MipsEABI : CallingConv<[
 //===----------------------------------------------------------------------===//
 
 def CC_Mips : CallingConv<[
-  CCIfSubtarget<"isABI_EABI()", CCDelegateTo<CC_MipsEABI>>,
-  CCDelegateTo<CC_MipsO32>
+  CCIfSubtarget<"isABI_EABI()", CCDelegateTo<CC_MipsEABI>>
 ]>;
 
 def RetCC_Mips : CallingConv<[