regfile.cc (10934:5af8f40d8f2c) | regfile.cc (10935:acd48ddd725f) |
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1/* 2 * Copyright (c) 2004-2005 The Regents of The University of Michigan 3 * Copyright (c) 2013 Advanced Micro Devices, Inc. 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 --- 23 unchanged lines hidden (view full) --- 32 */ 33 34#include "cpu/o3/free_list.hh" 35#include "cpu/o3/regfile.hh" 36 37 38PhysRegFile::PhysRegFile(unsigned _numPhysicalIntRegs, 39 unsigned _numPhysicalFloatRegs, | 1/* 2 * Copyright (c) 2004-2005 The Regents of The University of Michigan 3 * Copyright (c) 2013 Advanced Micro Devices, Inc. 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 --- 23 unchanged lines hidden (view full) --- 32 */ 33 34#include "cpu/o3/free_list.hh" 35#include "cpu/o3/regfile.hh" 36 37 38PhysRegFile::PhysRegFile(unsigned _numPhysicalIntRegs, 39 unsigned _numPhysicalFloatRegs, |
40 unsigned _numPhysicalCCRegs, 41 unsigned _numPhysicalVectorRegs) | 40 unsigned _numPhysicalCCRegs) |
42 : intRegFile(_numPhysicalIntRegs), 43 floatRegFile(_numPhysicalFloatRegs), 44 ccRegFile(_numPhysicalCCRegs), | 41 : intRegFile(_numPhysicalIntRegs), 42 floatRegFile(_numPhysicalFloatRegs), 43 ccRegFile(_numPhysicalCCRegs), |
45 vectorRegFile(_numPhysicalVectorRegs), | |
46 baseFloatRegIndex(_numPhysicalIntRegs), 47 baseCCRegIndex(_numPhysicalIntRegs + _numPhysicalFloatRegs), | 44 baseFloatRegIndex(_numPhysicalIntRegs), 45 baseCCRegIndex(_numPhysicalIntRegs + _numPhysicalFloatRegs), |
48 baseVectorRegIndex(_numPhysicalIntRegs + _numPhysicalFloatRegs 49 + _numPhysicalCCRegs), | |
50 totalNumRegs(_numPhysicalIntRegs 51 + _numPhysicalFloatRegs | 46 totalNumRegs(_numPhysicalIntRegs 47 + _numPhysicalFloatRegs |
52 + _numPhysicalCCRegs 53 + _numPhysicalVectorRegs) | 48 + _numPhysicalCCRegs) |
54{ 55 if (TheISA::NumCCRegs == 0 && _numPhysicalCCRegs != 0) { 56 // Just make this a warning and go ahead and allocate them 57 // anyway, to keep from having to add checks everywhere 58 warn("Non-zero number of physical CC regs specified, even though\n" 59 " ISA does not use them.\n"); 60 } | 49{ 50 if (TheISA::NumCCRegs == 0 && _numPhysicalCCRegs != 0) { 51 // Just make this a warning and go ahead and allocate them 52 // anyway, to keep from having to add checks everywhere 53 warn("Non-zero number of physical CC regs specified, even though\n" 54 " ISA does not use them.\n"); 55 } |
61 62 if (TheISA::NumVectorRegs == 0 && _numPhysicalVectorRegs != 0) { 63 // Just make this a warning and go ahead and allocate them 64 // anyway, to keep from having to add checks everywhere 65 warn("Non-zero number of physical vector regs specified, even though\n" 66 " ISA does not use them.\n"); 67 } | |
68} 69 70 71void 72PhysRegFile::initFreeList(UnifiedFreeList *freeList) 73{ 74 // Initialize the free lists. 75 PhysRegIndex reg_idx = 0; --- 4 unchanged lines hidden (view full) --- 80 } 81 82 // The next batch of the registers are the floating-point physical 83 // registers; put them onto the floating-point free list. 84 while (reg_idx < baseCCRegIndex) { 85 freeList->addFloatReg(reg_idx++); 86 } 87 | 56} 57 58 59void 60PhysRegFile::initFreeList(UnifiedFreeList *freeList) 61{ 62 // Initialize the free lists. 63 PhysRegIndex reg_idx = 0; --- 4 unchanged lines hidden (view full) --- 68 } 69 70 // The next batch of the registers are the floating-point physical 71 // registers; put them onto the floating-point free list. 72 while (reg_idx < baseCCRegIndex) { 73 freeList->addFloatReg(reg_idx++); 74 } 75 |
88 // The next batch of registers are the condition-code physical | 76 // The rest of the registers are the condition-code physical |
89 // registers; put them onto the condition-code free list. | 77 // registers; put them onto the condition-code free list. |
90 while (reg_idx < baseVectorRegIndex) { | 78 while (reg_idx < totalNumRegs) { |
91 freeList->addCCReg(reg_idx++); 92 } | 79 freeList->addCCReg(reg_idx++); 80 } |
93 94 // The rest of the registers are the vector physical 95 // registers; put them onto the vector free list. 96 while (reg_idx < totalNumRegs) { 97 freeList->addVectorReg(reg_idx++); 98 } | |
99} | 81} |