mirror of
https://github.com/c64scene-ar/llvm-6502.git
synced 2024-12-13 04:30:23 +00:00
31d157ae1a
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@150878 91177308-0d34-0410-b5e6-96231b3b80d8
37 lines
1.4 KiB
TableGen
37 lines
1.4 KiB
TableGen
//===-- 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, I2, I3, I4, I5]>>,
|
|
CCIfType<[f32], CCAssignToReg<[F0, F1, F2, F3]>>,
|
|
CCIfType<[f64], CCAssignToReg<[D0, D1]>>
|
|
]>;
|
|
|
|
// Sparc 32-bit C Calling convention.
|
|
def CC_Sparc32 : CallingConv<[
|
|
//Custom assign SRet to [sp+64].
|
|
CCIfSRet<CCCustom<"CC_Sparc_Assign_SRet">>,
|
|
// i32 f32 arguments get passed in integer registers if there is space.
|
|
CCIfType<[i32, f32], CCAssignToReg<[I0, I1, I2, I3, I4, I5]>>,
|
|
// f64 arguments are split and passed through registers or through stack.
|
|
CCIfType<[f64], CCCustom<"CC_Sparc_Assign_f64">>,
|
|
|
|
// Alternatively, they are assigned to the stack in 4-byte aligned units.
|
|
CCAssignToStack<4, 4>
|
|
]>;
|