Added support for Mips O32 Calling Convention
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@67280 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Target/Mips/MipsCallingConv.td b/lib/Target/Mips/MipsCallingConv.td
index 034a8d1..01fe92e 100644
--- a/lib/Target/Mips/MipsCallingConv.td
+++ b/lib/Target/Mips/MipsCallingConv.td
@@ -16,18 +16,9 @@
//===----------------------------------------------------------------------===//
// 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]>>,
@@ -42,6 +33,7 @@
//===----------------------------------------------------------------------===//
// Mips EABI Calling Convention
//===----------------------------------------------------------------------===//
+
def CC_MipsEABI : CallingConv<[
// Promote i8/i16 arguments to i32.
CCIfType<[i8, i16], CCPromoteToType<i32>>,
@@ -85,8 +77,7 @@
//===----------------------------------------------------------------------===//
def CC_Mips : CallingConv<[
- CCIfSubtarget<"isABI_EABI()", CCDelegateTo<CC_MipsEABI>>,
- CCDelegateTo<CC_MipsO32>
+ CCIfSubtarget<"isABI_EABI()", CCDelegateTo<CC_MipsEABI>>
]>;
def RetCC_Mips : CallingConv<[