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//===- SPUCallingConv.td - Calling Conventions for CellSPU -*- 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 STI Cell SPU architecture.
//
//===----------------------------------------------------------------------===//
//===----------------------------------------------------------------------===//
// Return Value Calling Convention
//===----------------------------------------------------------------------===//
// Return-value convention for Cell SPU: return value to be passed in reg 3-74
def RetCC_SPU : CallingConv<[
CCIfType<[i8,i16,i32,i64,i128,f32,f64,v16i8,v8i16,v4i32,v2i64,v4f32,v2f64],
CCAssignToReg<[R3, R4, R5, R6, R7, R8, R9, R10, R11,
R12, R13, R14, R15, R16, R17, R18, R19, R20,
R21, R22, R23, R24, R25, R26, R27, R28, R29,
R30, R31, R32, R33, R34, R35, R36, R37, R38,
R39, R40, R41, R42, R43, R44, R45, R46, R47,
R48, R49, R50, R51, R52, R53, R54, R55, R56,
R57, R58, R59, R60, R61, R62, R63, R64, R65,
R66, R67, R68, R69, R70, R71, R72, R73, R74]>>
]>;
//===----------------------------------------------------------------------===//
// CellSPU Argument Calling Conventions
//===----------------------------------------------------------------------===//
def CCC_SPU : CallingConv<[
CCIfType<[i8, i16, i32, i64, i128, f32, f64,
v16i8, v8i16, v4i32, v4f32, v2i64, v2f64],
CCAssignToReg<[R3, R4, R5, R6, R7, R8, R9, R10, R11,
R12, R13, R14, R15, R16, R17, R18, R19, R20,
R21, R22, R23, R24, R25, R26, R27, R28, R29,
R30, R31, R32, R33, R34, R35, R36, R37, R38,
R39, R40, R41, R42, R43, R44, R45, R46, R47,
R48, R49, R50, R51, R52, R53, R54, R55, R56,
R57, R58, R59, R60, R61, R62, R63, R64, R65,
R66, R67, R68, R69, R70, R71, R72, R73, R74]>>,
// Integer/FP values get stored in stack slots that are 8 bytes in size and
// 8-byte aligned if there are no more registers to hold them.
CCIfType<[i32, i64, f32, f64], CCAssignToStack<8, 8>>,
// Vectors get 16-byte stack slots that are 16-byte aligned.
CCIfType<[v16i8, v8i16, v4i32, v2i64, v4f32, v2f64],
CCAssignToStack<16, 16>>
]>;
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