37 lines
1.4 KiB
TableGen
37 lines
1.4 KiB
TableGen
//===-- SparcCallingConv.td - Calling Conventions Sparc ----*- 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 Sparc architectures.
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//
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//===----------------------------------------------------------------------===//
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//===----------------------------------------------------------------------===//
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// Return Value Calling Conventions
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//===----------------------------------------------------------------------===//
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// Sparc 32-bit C return-value convention.
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def RetCC_Sparc32 : CallingConv<[
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CCIfType<[i32], CCAssignToReg<[I0, I1, I2, I3, I4, I5]>>,
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CCIfType<[f32], CCAssignToReg<[F0, F1, F2, F3]>>,
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CCIfType<[f64], CCAssignToReg<[D0, D1]>>
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]>;
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// Sparc 32-bit C Calling convention.
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def CC_Sparc32 : CallingConv<[
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//Custom assign SRet to [sp+64].
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CCIfSRet<CCCustom<"CC_Sparc_Assign_SRet">>,
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// i32 f32 arguments get passed in integer registers if there is space.
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CCIfType<[i32, f32], CCAssignToReg<[I0, I1, I2, I3, I4, I5]>>,
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// f64 arguments are split and passed through registers or through stack.
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CCIfType<[f64], CCCustom<"CC_Sparc_Assign_f64">>,
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// Alternatively, they are assigned to the stack in 4-byte aligned units.
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CCAssignToStack<4, 4>
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]>;
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