isa_parser.py (6989:73afd9458692) isa_parser.py (6990:83759f72c7de)
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

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888 # groups are returned (base and ext, not full name as above).
889 # Used for subtituting '_' for '.' to make C++ identifiers.
890 operandsWithExtREString = (r'(?<![\w\.])(%s)\.(\w+)(?![\w\.])'
891 % string.join(operands, '|'))
892
893 global operandsWithExtRE
894 operandsWithExtRE = re.compile(operandsWithExtREString, re.MULTILINE)
895
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

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888 # groups are returned (base and ext, not full name as above).
889 # Used for subtituting '_' for '.' to make C++ identifiers.
890 operandsWithExtREString = (r'(?<![\w\.])(%s)\.(\w+)(?![\w\.])'
891 % string.join(operands, '|'))
892
893 global operandsWithExtRE
894 operandsWithExtRE = re.compile(operandsWithExtREString, re.MULTILINE)
895
896maxInstSrcRegs = 0
897maxInstDestRegs = 0
898
899class OperandList(object):
900 '''Find all the operands in the given code block. Returns an operand
901 descriptor list (instance of class OperandList).'''
902 def __init__(self, code):
903 self.items = []
904 self.bases = {}
905 # delete comments so we don't match on reg specifiers inside
906 code = commentRE.sub('', code)

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952 if op_desc.isFloatReg():
953 self.numFPDestRegs += 1
954 elif op_desc.isIntReg():
955 self.numIntDestRegs += 1
956 elif op_desc.isMem():
957 if self.memOperand:
958 error("Code block has more than one memory operand.")
959 self.memOperand = op_desc
896class OperandList(object):
897 '''Find all the operands in the given code block. Returns an operand
898 descriptor list (instance of class OperandList).'''
899 def __init__(self, code):
900 self.items = []
901 self.bases = {}
902 # delete comments so we don't match on reg specifiers inside
903 code = commentRE.sub('', code)

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949 if op_desc.isFloatReg():
950 self.numFPDestRegs += 1
951 elif op_desc.isIntReg():
952 self.numIntDestRegs += 1
953 elif op_desc.isMem():
954 if self.memOperand:
955 error("Code block has more than one memory operand.")
956 self.memOperand = op_desc
960 global maxInstSrcRegs
961 global maxInstDestRegs
962 if maxInstSrcRegs < self.numSrcRegs:
963 maxInstSrcRegs = self.numSrcRegs
964 if maxInstDestRegs < self.numDestRegs:
965 maxInstDestRegs = self.numDestRegs
957 if parser.maxInstSrcRegs < self.numSrcRegs:
958 parser.maxInstSrcRegs = self.numSrcRegs
959 if parser.maxInstDestRegs < self.numDestRegs:
960 parser.maxInstDestRegs = self.numDestRegs
966 # now make a final pass to finalize op_desc fields that may depend
967 # on the register enumeration
968 for op_desc in self.items:
969 op_desc.finalize()
970
971 def __len__(self):
972 return len(self.items)
973

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1232 # The format stack.
1233 self.formatStack = Stack(NoFormat())
1234
1235 # The default case stack.
1236 self.defaultStack = Stack(None)
1237
1238 self.exportContext = {}
1239
961 # now make a final pass to finalize op_desc fields that may depend
962 # on the register enumeration
963 for op_desc in self.items:
964 op_desc.finalize()
965
966 def __len__(self):
967 return len(self.items)
968

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1227 # The format stack.
1228 self.formatStack = Stack(NoFormat())
1229
1230 # The default case stack.
1231 self.defaultStack = Stack(None)
1232
1233 self.exportContext = {}
1234
1235 self.maxInstSrcRegs = 0
1236 self.maxInstDestRegs = 0
1237
1240 #####################################################################
1241 #
1242 # Lexer
1243 #
1244 # The PLY lexer module takes two things as input:
1245 # - A list of token names (the string list 'tokens')
1246 # - A regular expression describing a match for each token. The
1247 # regexp for token FOO can be provided in two ways:

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2044 global_output = global_code.exec_output[cpu.name]
2045 namespace_output = namespace_code.exec_output[cpu.name]
2046 decode_function = ''
2047 self.update_if_needed(cpu.filename, file_template % vars())
2048
2049 # The variable names here are hacky, but this will creat local
2050 # variables which will be referenced in vars() which have the
2051 # value of the globals.
1238 #####################################################################
1239 #
1240 # Lexer
1241 #
1242 # The PLY lexer module takes two things as input:
1243 # - A list of token names (the string list 'tokens')
1244 # - A regular expression describing a match for each token. The
1245 # regexp for token FOO can be provided in two ways:

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2042 global_output = global_code.exec_output[cpu.name]
2043 namespace_output = namespace_code.exec_output[cpu.name]
2044 decode_function = ''
2045 self.update_if_needed(cpu.filename, file_template % vars())
2046
2047 # The variable names here are hacky, but this will creat local
2048 # variables which will be referenced in vars() which have the
2049 # value of the globals.
2052 global maxInstSrcRegs
2053 MaxInstSrcRegs = maxInstSrcRegs
2054 global maxInstDestRegs
2055 MaxInstDestRegs = maxInstDestRegs
2050 MaxInstSrcRegs = self.maxInstSrcRegs
2051 MaxInstDestRegs = self.maxInstDestRegs
2056 # max_inst_regs.hh
2057 self.update_if_needed('max_inst_regs.hh',
2058 max_inst_regs_template % vars())
2059
2060 def parse_isa_desc(self, *args, **kwargs):
2061 try:
2062 self._parse_isa_desc(*args, **kwargs)
2063 except ISAParserError, e:

--- 12 unchanged lines hidden --- 		2052 # max_inst_regs.hh
2053 self.update_if_needed('max_inst_regs.hh',
2054 max_inst_regs_template % vars())
2055
2056 def parse_isa_desc(self, *args, **kwargs):
2057 try:
2058 self._parse_isa_desc(*args, **kwargs)
2059 except ISAParserError, e:

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