isa_parser.py (4185:42c0395a03f9) | isa_parser.py (4273:449c6e09f6ca) |
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1# Copyright (c) 2003-2005 The Regents of The University of Michigan 2# All rights reserved. 3# 4# Redistribution and use in source and binary forms, with or without 5# modification, are permitted provided that the following conditions are 6# met: redistributions of source code must retain the above copyright 7# notice, this list of conditions and the following disclaimer; 8# redistributions in binary form must reproduce the above copyright --- 349 unchanged lines hidden (view full) --- 358def p_def_bitfield_1(t): 359 'def_bitfield : DEF opt_signed BITFIELD ID LESS INTLIT GREATER SEMI' 360 expr = 'bits(machInst, %2d, %2d)' % (t[6], t[6]) 361 if (t[2] == 'signed'): 362 expr = 'sext<%d>(%s)' % (1, expr) 363 hash_define = '#undef %s\n#define %s\t%s\n' % (t[4], t[4], expr) 364 t[0] = GenCode(header_output = hash_define) 365 | 1# Copyright (c) 2003-2005 The Regents of The University of Michigan 2# All rights reserved. 3# 4# Redistribution and use in source and binary forms, with or without 5# modification, are permitted provided that the following conditions are 6# met: redistributions of source code must retain the above copyright 7# notice, this list of conditions and the following disclaimer; 8# redistributions in binary form must reproduce the above copyright --- 349 unchanged lines hidden (view full) --- 358def p_def_bitfield_1(t): 359 'def_bitfield : DEF opt_signed BITFIELD ID LESS INTLIT GREATER SEMI' 360 expr = 'bits(machInst, %2d, %2d)' % (t[6], t[6]) 361 if (t[2] == 'signed'): 362 expr = 'sext<%d>(%s)' % (1, expr) 363 hash_define = '#undef %s\n#define %s\t%s\n' % (t[4], t[4], expr) 364 t[0] = GenCode(header_output = hash_define) 365 |
366# alternate form for structure member: 'def bitfield <ID> <ID>' 367def p_def_bitfield_2(t): 368 'def_bitfield : DEF nothing BITFIELD ID ID SEMI' 369 expr = 'machInst.%s' % t[5] 370 hash_define = '#undef %s\n#define %s\t%s\n' % (t[4], t[4], expr) 371 t[0] = GenCode(header_output = hash_define) 372 373def p_nothing(t): 374 'nothing : empty' 375 t[0] = '' 376 |
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366def p_opt_signed_0(t): 367 'opt_signed : SIGNED' 368 t[0] = t[1] 369 370def p_opt_signed_1(t): 371 'opt_signed : empty' 372 t[0] = '' 373 --- 1520 unchanged lines hidden --- | 377def p_opt_signed_0(t): 378 'opt_signed : SIGNED' 379 t[0] = t[1] 380 381def p_opt_signed_1(t): 382 'opt_signed : empty' 383 t[0] = '' 384 --- 1520 unchanged lines hidden --- |