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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@11957 91177308-0d34-0410-b5e6-96231b3b80d8
69 lines
2.2 KiB
TableGen
69 lines
2.2 KiB
TableGen
//===- SparcV8Instrs.td - Target Description for SparcV8 Target -----------===//
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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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// This file describes the SparcV8 instructions in TableGen format.
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//
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//===----------------------------------------------------------------------===//
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//===----------------------------------------------------------------------===//
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// Instruction format superclass
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//===----------------------------------------------------------------------===//
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class InstV8 : Instruction { // SparcV8 instruction baseline
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field bits<32> Inst;
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let Namespace = "V8";
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bits<2> op;
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let Inst{31-30} = op; // Top two bits are the 'op' field
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// Bit attributes specific to SparcV8 instructions
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bit isPasi = 0; // Does this instruction affect an alternate addr space?
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bit isPrivileged = 0; // Is this a privileged instruction?
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}
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include "SparcV8InstrInfo_F2.td"
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include "SparcV8InstrInfo_F3.td"
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//===----------------------------------------------------------------------===//
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// Instructions
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//===----------------------------------------------------------------------===//
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// Pseudo instructions.
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def PHI : InstV8 {
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let Name = "PHI";
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}
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def ADJCALLSTACKDOWN : InstV8 {
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let Name = "ADJCALLSTACKDOWN";
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}
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def ADJCALLSTACKUP : InstV8 {
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let Name = "ADJCALLSTACKUP";
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}
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// Section B.20: SAVE and RESTORE - p117
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def SAVEr : F3_1<2, 0b111100, "save">; // save r, r, r
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def SAVEi : F3_2<2, 0b111100, "save">; // save r, i, r
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def RESTOREr : F3_1<2, 0b111101, "restore">; // restore r, r, r
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def RESTOREi : F3_2<2, 0b111101, "restore">; // restore r, i, r
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// Section B.24: Call and Link - p125
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// This is the only Format 1 instruction
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def CALL : InstV8 {
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bits<30> disp;
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let op = 1;
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let Inst{29-0} = disp;
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let Name = "call";
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}
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// Section B.25: Jump and Link - p126
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def JMPLr : F3_1<2, 0b111000, "jmpl">; // jmpl [rs1+rs2], rd
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def JMPLi : F3_2<2, 0b111000, "jmpl">; // jmpl [rs1+imm], rd
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