main.isa (12614:0bc465e1f5fb) main.isa (12616:4b463b4dc098)
1// -*- mode:c++ -*-
2
3// Copyright (c) 2003-2005 The Regents of The University of Michigan
4// All rights reserved.
5//
6// Redistribution and use in source and binary forms, with or without
7// modification, are permitted provided that the following conditions are
8// met: redistributions of source code must retain the above copyright

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227 : StaticInst(mnem, _machInst, __opClass)
228 {
229 }
230
231 /// Print a register name for disassembly given the unique
232 /// dependence tag number (FP or int).
233 void printReg(std::ostream &os, RegId reg) const;
234
1// -*- mode:c++ -*-
2
3// Copyright (c) 2003-2005 The Regents of The University of Michigan
4// All rights reserved.
5//
6// Redistribution and use in source and binary forms, with or without
7// modification, are permitted provided that the following conditions are
8// met: redistributions of source code must retain the above copyright

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227 : StaticInst(mnem, _machInst, __opClass)
228 {
229 }
230
231 /// Print a register name for disassembly given the unique
232 /// dependence tag number (FP or int).
233 void printReg(std::ostream &os, RegId reg) const;
234
235 std::string
236 generateDisassembly(Addr pc, const SymbolTable *symtab) const;
235 std::string generateDisassembly(
236 Addr pc, const SymbolTable *symtab) const override;
237
238 void
237
238 void
239 advancePC(AlphaISA::PCState &pcState) const
239 advancePC(AlphaISA::PCState &pcState) const override
240 {
241 pcState.advance();
242 }
243
244 public:
245 size_t
246 asBytes(void *buf, size_t max_size) override
247 {

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258 ccprintf(os, "r%d", reg.index());
259 }
260 else {
261 ccprintf(os, "f%d", reg.index());
262 }
263 }
264
265 std::string
240 {
241 pcState.advance();
242 }
243
244 public:
245 size_t
246 asBytes(void *buf, size_t max_size) override
247 {

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258 ccprintf(os, "r%d", reg.index());
259 }
260 else {
261 ccprintf(os, "f%d", reg.index());
262 }
263 }
264
265 std::string
266 AlphaStaticInst::generateDisassembly(Addr pc,
267 const SymbolTable *symtab) const
266 AlphaStaticInst::generateDisassembly(
267 Addr pc, const SymbolTable *symtab) const
268 {
269 std::stringstream ss;
270
271 ccprintf(ss, "%-10s ", mnemonic);
272
273 // just print the first two source regs... if there's
274 // a third one, it's a read-modify-write dest (Rc),
275 // e.g. for CMOVxx

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299 * Static instruction class for "%(mnemonic)s".
300 */
301 class %(class_name)s : public %(base_class)s
302 {
303 public:
304 /// Constructor.
305 %(class_name)s(ExtMachInst machInst);
306
268 {
269 std::stringstream ss;
270
271 ccprintf(ss, "%-10s ", mnemonic);
272
273 // just print the first two source regs... if there's
274 // a third one, it's a read-modify-write dest (Rc),
275 // e.g. for CMOVxx

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299 * Static instruction class for "%(mnemonic)s".
300 */
301 class %(class_name)s : public %(base_class)s
302 {
303 public:
304 /// Constructor.
305 %(class_name)s(ExtMachInst machInst);
306
307 Fault execute(ExecContext *, Trace::InstRecord *) const;
307 Fault execute(ExecContext *, Trace::InstRecord *) const override;
308 };
309}};
310
311// Basic instruction class constructor template.
312def template BasicConstructor {{
313 %(class_name)s::%(class_name)s(ExtMachInst machInst)
314 : %(base_class)s("%(mnemonic)s", machInst, %(op_class)s)
315 {

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378 : AlphaStaticInst("nop", _machInst, No_OpClass),
379 originalDisassembly(_originalDisassembly)
380 {
381 flags[IsNop] = true;
382 }
383
384 ~Nop() { }
385
308 };
309}};
310
311// Basic instruction class constructor template.
312def template BasicConstructor {{
313 %(class_name)s::%(class_name)s(ExtMachInst machInst)
314 : %(base_class)s("%(mnemonic)s", machInst, %(op_class)s)
315 {

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378 : AlphaStaticInst("nop", _machInst, No_OpClass),
379 originalDisassembly(_originalDisassembly)
380 {
381 flags[IsNop] = true;
382 }
383
384 ~Nop() { }
385
386 std::string
387 generateDisassembly(Addr pc, const SymbolTable *symtab) const;
386 std::string generateDisassembly(
387 Addr pc, const SymbolTable *symtab) const override;
388
388
389 Fault execute(ExecContext *, Trace::InstRecord *) const;
389 Fault execute(ExecContext *, Trace::InstRecord *) const override;
390 };
391
392 /// Helper function for decoding nops. Substitute Nop object
393 /// for original inst passed in as arg (and delete latter).
394 static inline
395 AlphaStaticInst *
396 makeNop(AlphaStaticInst *inst)
397 {

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391
392 /// Helper function for decoding nops. Substitute Nop object
393 /// for original inst passed in as arg (and delete latter).
394 static inline
395 AlphaStaticInst *
396 makeNop(AlphaStaticInst *inst)
397 {

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