freebsd-dev/contrib/llvm/lib/Target/Sparc/SparcCallingConv.td
Dimitry Andric dff0c46c97 Upgrade our copy of llvm/clang to trunk r154661, in preparation of the
upcoming 3.1 release (expected in a few weeks).  Preliminary release
notes can be found at: <http://llvm.org/docs/ReleaseNotes.html>

MFC after:	2 weeks
2012-04-16 21:23:25 +00:00

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>
]>;