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Generate code for the Blackfin family of DSPs from Analog Devices: http://www.analog.com/en/embedded-processing-dsp/blackfin/processors/index.html We aim to be compatible with the exsisting GNU toolchain found at: http://blackfin.uclinux.org/gf/project/toolchain The back-end is experimental. llvm-svn: 77897
31 lines
1.0 KiB
TableGen
31 lines
1.0 KiB
TableGen
//===--- BlackfinCallingConv.td - Calling Conventions ------*- tablegen -*-===//
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//
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// The LLVM Compiler Infrastructure
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//
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// This file is distributed under the University of Illinois Open Source
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// License. See LICENSE.TXT for details.
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//
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//===----------------------------------------------------------------------===//
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//
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// This describes the calling conventions for the Blackfin architectures.
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//
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//===----------------------------------------------------------------------===//
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// Blackfin C Calling convention.
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def CC_Blackfin : CallingConv<[
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CCIfType<[i16], CCPromoteToType<i32>>,
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CCIfSRet<CCAssignToReg<[P0]>>,
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CCAssignToReg<[R0, R1, R2]>,
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CCAssignToStack<4, 4>
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]>;
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//===----------------------------------------------------------------------===//
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// Return Value Calling Conventions
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//===----------------------------------------------------------------------===//
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// Blackfin C return-value convention.
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def RetCC_Blackfin : CallingConv<[
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CCIfType<[i16], CCPromoteToType<i32>>,
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CCAssignToReg<[R0, R1]>
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]>;
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