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https://github.com/c64scene-ar/llvm-6502.git
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ecbce617ca
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@22929 91177308-0d34-0410-b5e6-96231b3b80d8
47 lines
1.6 KiB
TableGen
47 lines
1.6 KiB
TableGen
//===- PPC64RegisterInfo.td - The PowerPC64 Register File --*- tablegen -*-===//
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//
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// The LLVM Compiler Infrastructure
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//
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// This file was developed by the LLVM research group and is distributed under
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// the University of Illinois Open Source License. See LICENSE.TXT for details.
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//
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//===----------------------------------------------------------------------===//
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//
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//
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//===----------------------------------------------------------------------===//
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include "PowerPCRegisterInfo.td"
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/// Register classes
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// Allocate volatiles first
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// then nonvolatiles in reverse order since stmw/lmw save from rN to r31
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def GPRC : RegisterClass<"PPC64", i64, 64,
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[R2, R3, R4, R5, R6, R7, R8, R9, R10, R11, R12,
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R30, R29, R28, R27, R26, R25, R24, R23, R22, R21, R20, R19, R18, R17,
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R16, R15, R14, R13, R31, R0, R1, LR]>
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{
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let MethodProtos = [{
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iterator allocation_order_begin(MachineFunction &MF) const;
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iterator allocation_order_end(MachineFunction &MF) const;
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}];
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let MethodBodies = [{
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GPRCClass::iterator
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GPRCClass::allocation_order_begin(MachineFunction &MF) const {
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return begin() + ((TargetAIX == PPCTarget) ? 1 : 0);
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}
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GPRCClass::iterator
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GPRCClass::allocation_order_end(MachineFunction &MF) const {
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if (hasFP(MF))
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return end()-4;
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else
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return end()-3;
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}
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}];
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}
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def FPRC : RegisterClass<"PPC64", f64, 64, [F0, F1, F2, F3, F4, F5, F6, F7,
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F8, F9, F10, F11, F12, F13, F14, F15, F16, F17, F18, F19, F20, F21,
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F22, F23, F24, F25, F26, F27, F28, F29, F30, F31]>;
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def CRRC : RegisterClass<"PPC64", i32, 32, [CR0, CR1, CR2, CR3, CR4, CR5, CR6, CR7]>;
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