specialize.isa (4716:68cc9f2d4f73) specialize.isa (4746:7960a6867f55)
1// -*- mode:c++ -*-
2
3// Copyright (c) 2007 The Hewlett-Packard Development Company
4// All rights reserved.
5//
6// Redistribution and use of this software in source and binary forms,
7// with or without modification, are permitted provided that the
8// following conditions are met:

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109 parser = re.compile(r"(?P<tag>[A-Z]+)(?P<size>[a-z]*)|(r(?P<reg>[A-Z0-9]+)(?P<rsize>[a-z]*))")
110 def __init__(self, opTypeString):
111 match = OpType.parser.search(opTypeString)
112 if match == None:
113 raise Exception, "Problem parsing operand type %s" % opTypeString
114 self.reg = match.group("reg")
115 self.tag = match.group("tag")
116 self.size = match.group("size")
1// -*- mode:c++ -*-
2
3// Copyright (c) 2007 The Hewlett-Packard Development Company
4// All rights reserved.
5//
6// Redistribution and use of this software in source and binary forms,
7// with or without modification, are permitted provided that the
8// following conditions are met:

--- 100 unchanged lines hidden (view full) ---

109 parser = re.compile(r"(?P<tag>[A-Z]+)(?P<size>[a-z]*)|(r(?P<reg>[A-Z0-9]+)(?P<rsize>[a-z]*))")
110 def __init__(self, opTypeString):
111 match = OpType.parser.search(opTypeString)
112 if match == None:
113 raise Exception, "Problem parsing operand type %s" % opTypeString
114 self.reg = match.group("reg")
115 self.tag = match.group("tag")
116 self.size = match.group("size")
117 self.rsize = match.group("rsize")
117 if not self.size:
118 self.size = match.group("rsize")
118
119 ModRMRegIndex = "(MODRM_REG | (REX_R << 3))"
120 ModRMRMIndex = "(MODRM_RM | (REX_B << 3))"
121 InstRegIndex = "(OPCODE_OP_BOTTOM3 | (REX_B << 3))"
122
123 # This function specializes the given piece of code to use a particular
124 # set of argument types described by "opTypes".
125 def specializeInst(Name, opTypes, env):
126 # print "Specializing %s with opTypes %s" % (Name, opTypes)
127 while len(opTypes):
128 # Parse the operand type string we're working with
129 opType = OpType(opTypes[0])
130 opTypes.pop(0)
131
119
120 ModRMRegIndex = "(MODRM_REG | (REX_R << 3))"
121 ModRMRMIndex = "(MODRM_RM | (REX_B << 3))"
122 InstRegIndex = "(OPCODE_OP_BOTTOM3 | (REX_B << 3))"
123
124 # This function specializes the given piece of code to use a particular
125 # set of argument types described by "opTypes".
126 def specializeInst(Name, opTypes, env):
127 # print "Specializing %s with opTypes %s" % (Name, opTypes)
128 while len(opTypes):
129 # Parse the operand type string we're working with
130 opType = OpType(opTypes[0])
131 opTypes.pop(0)
132
133 if opType.tag not in ("I", "J"):
134 if opType.size:
135 env.setSize(opType.size)
136
132 if opType.reg:
133 #Figure out what to do with fixed register operands
134 #This is the index to use, so we should stick it some place.
135 if opType.reg in ("A", "B", "C", "D"):
136 env.addReg("INTREG_R%sX | (REX_B << 3)" % opType.reg)
137 else:
138 env.addReg("INTREG_R%s | (REX_B << 3)" % opType.reg)
137 if opType.reg:
138 #Figure out what to do with fixed register operands
139 #This is the index to use, so we should stick it some place.
140 if opType.reg in ("A", "B", "C", "D"):
141 env.addReg("INTREG_R%sX | (REX_B << 3)" % opType.reg)
142 else:
143 env.addReg("INTREG_R%s | (REX_B << 3)" % opType.reg)
139 if opType.size:
140 if opType.rsize in ("l", "h", "b"):
141 print "byte"
142 elif opType.rsize == "x":
143 print "word"
144 else:
145 print "Didn't recognize fixed register size %s!" % opType.rsize
146 Name += "_R"
147 elif opType.tag == "B":
148 # This refers to registers whose index is encoded as part of the opcode
149 Name += "_R"
150 env.addReg(InstRegIndex)
151 elif opType.tag == "M":
152 # This refers to memory. The macroop constructor sets up modrm
153 # addressing. Non memory modrm settings should cause an error.

--- 34 unchanged lines hidden --- 		144 Name += "_R"
145 elif opType.tag == "B":
146 # This refers to registers whose index is encoded as part of the opcode
147 Name += "_R"
148 env.addReg(InstRegIndex)
149 elif opType.tag == "M":
150 # This refers to memory. The macroop constructor sets up modrm
151 # addressing. Non memory modrm settings should cause an error.

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