branch.isa (2980:eab855f06b79) | branch.isa (3951:727778d649ae) |
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1// -*- mode:c++ -*- 2 3// Copyright (c) 2006 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 --- 233 unchanged lines hidden (view full) --- 242 243 #Condition code 244 code = 'bool cond;\n' + code 245 code += 'if (cond) {\n' 246 code += ' NNPC = NPC + disp;\n' 247 code += '} else {\n' 248 code += not_taken_code 249 | 1// -*- mode:c++ -*- 2 3// Copyright (c) 2006 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 --- 233 unchanged lines hidden (view full) --- 242 243 #Condition code 244 code = 'bool cond;\n' + code 245 code += 'if (cond) {\n' 246 code += ' NNPC = NPC + disp;\n' 247 code += '} else {\n' 248 code += not_taken_code 249 |
250 iop = InstObjParams(name, Name, 'Branch', CodeBlock(code), inst_flags) | 250 iop = InstObjParams(name, Name, 'Branch', code, inst_flags) |
251 header_output = BasicDeclare.subst(iop) 252 decoder_output = BasicConstructor.subst(iop) 253 decode_block = BasicDecode.subst(iop) 254 exec_output = BasicExecute.subst(iop) 255}}; 256 257def format Jump(code, *opt_flags) {{ 258 #Build Instruction Flags 259 #Use Link Flag to Add Link Code 260 inst_flags = ('IsIndirectControl', 'IsUncondControl') 261 for x in opt_flags: 262 if x == 'Link': 263 code = 'R31 = NNPC;\n' + code 264 elif x == 'ClearHazards': 265 code += '/* Code Needed to Clear Execute & Inst Hazards */\n' 266 else: 267 inst_flags += (x, ) 268 | 251 header_output = BasicDeclare.subst(iop) 252 decoder_output = BasicConstructor.subst(iop) 253 decode_block = BasicDecode.subst(iop) 254 exec_output = BasicExecute.subst(iop) 255}}; 256 257def format Jump(code, *opt_flags) {{ 258 #Build Instruction Flags 259 #Use Link Flag to Add Link Code 260 inst_flags = ('IsIndirectControl', 'IsUncondControl') 261 for x in opt_flags: 262 if x == 'Link': 263 code = 'R31 = NNPC;\n' + code 264 elif x == 'ClearHazards': 265 code += '/* Code Needed to Clear Execute & Inst Hazards */\n' 266 else: 267 inst_flags += (x, ) 268 |
269 iop = InstObjParams(name, Name, 'Jump', CodeBlock(code), inst_flags) | 269 iop = InstObjParams(name, Name, 'Jump', code, inst_flags) |
270 header_output = BasicDeclare.subst(iop) 271 decoder_output = BasicConstructor.subst(iop) 272 decode_block = BasicDecode.subst(iop) 273 exec_output = BasicExecute.subst(iop) 274}}; 275 276 277 278 | 270 header_output = BasicDeclare.subst(iop) 271 decoder_output = BasicConstructor.subst(iop) 272 decode_block = BasicDecode.subst(iop) 273 exec_output = BasicExecute.subst(iop) 274}}; 275 276 277 278 |