llvm-project/llvm/lib/Target/MBlaze/MBlazeCallingConv.td

27 lines
1.1 KiB
C++

//===- MBlazeCallingConv.td - Calling Conventions for MBlaze ----*- C++ -*-===//
//
// 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 MBlaze architecture.
//===----------------------------------------------------------------------===//
/// CCIfSubtarget - Match if the current subtarget has a feature F.
class CCIfSubtarget<string F, CCAction A>:
CCIf<!strconcat("State.getTarget().getSubtarget<MBlazeSubtarget>().", F), A>;
//===----------------------------------------------------------------------===//
// MBlaze ABI Calling Convention
//===----------------------------------------------------------------------===//
def RetCC_MBlaze : CallingConv<[
// i32 are returned in registers R3, R4
CCIfType<[i32], CCAssignToReg<[R3, R4]>>,
// f32 are returned in registers F3, F4
CCIfType<[f32], CCAssignToReg<[F3, F4]>>
]>;