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Mark R2 as available for allocation on Darwin/PPC32, but not AIX/PPC64
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@15673 91177308-0d34-0410-b5e6-96231b3b80d8
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@ -77,13 +77,16 @@ def TBU : SPR<5>;
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// then nonvolatiles in reverse order since stmw/lmw save from rN to r31
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// then nonvolatiles in reverse order since stmw/lmw save from rN to r31
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def GPRC :
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def GPRC :
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RegisterClass<i32, 4,
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RegisterClass<i32, 4,
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[R3, R4, R5, R6, R7, R8, R9, R10, R11, R12,
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[R2, R3, R4, R5, R6, R7, R8, R9, R10, R11, R12,
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R31, R30, R29, R28, R27, R26, R25, R24, R23, R22, R21, R20, R19, R18, R17,
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R31, R30, R29, R28, R27, R26, R25, R24, R23, R22, R21, R20, R19, R18, R17,
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R16, R15, R14, R13, R0, R2, R1, LR]>
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R16, R15, R14, R13, R0, R1, LR]>
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{
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{
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let Methods = [{
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let Methods = [{
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iterator allocation_order_begin(MachineFunction &MF) const {
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return begin() + (AIX ? 1 : 0);
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}
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iterator allocation_order_end(MachineFunction &MF) const {
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iterator allocation_order_end(MachineFunction &MF) const {
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return end() - (AIX ? 4 : 3);
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return end() - 3;
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}
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}
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}];
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}];
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}
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}
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