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comparison python/c3/codegenerator.py @ 279:2ccd57b1d78c

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Fix register allocator to do burn2 OK
author Windel Bouwman
date Sat, 12 Oct 2013 09:56:23 +0200
parents 6f2423df0675
children 02385f62f250
comparison
equal deleted inserted replaced
278:9fca39eebe50 279:2ccd57b1d78c
153 ra = self.genExprCode(expr.a) 153 ra = self.genExprCode(expr.a)
154 rb = self.genExprCode(expr.b) 154 rb = self.genExprCode(expr.b)
155 return ir.Binop(ra, expr.op, rb) 155 return ir.Binop(ra, expr.op, rb)
156 elif type(expr) is astnodes.Unop and expr.op == '&': 156 elif type(expr) is astnodes.Unop and expr.op == '&':
157 ra = self.genExprCode(expr.a) 157 ra = self.genExprCode(expr.a)
158 # TODO: Make this work? 158 assert type(ra) is ir.Mem
159 return ra 159 return ra.e
160 elif type(expr) is astnodes.VariableUse: 160 elif type(expr) is astnodes.VariableUse:
161 return self.varMap[expr.target] 161 # This returns the dereferenced variable.
162 return ir.Mem(self.varMap[expr.target])
162 elif type(expr) is astnodes.Deref: 163 elif type(expr) is astnodes.Deref:
163 # dereference pointer type: 164 # dereference pointer type:
164 addr = self.genExprCode(expr.ptr) 165 addr = self.genExprCode(expr.ptr)
165 return ir.Mem(addr) 166 return ir.Mem(addr)
166 elif type(expr) is astnodes.FieldRef: 167 elif type(expr) is astnodes.FieldRef:
167 b = self.genExprCode(expr.base) 168 base = self.genExprCode(expr.base)
168 #b = b.e 169 assert type(base) is ir.Mem, type(base)
170 base = base.e
169 bt = theType(expr.base.typ) 171 bt = theType(expr.base.typ)
170 offset = ir.Const(bt.fieldOffset(expr.field)) 172 offset = ir.Const(bt.fieldOffset(expr.field))
171 return ir.Mem(ir.Binop(b, '+', offset)) 173 return ir.Mem(ir.Add(base, offset))
172 elif type(expr) is astnodes.Literal: 174 elif type(expr) is astnodes.Literal:
173 return ir.Const(expr.val) 175 return ir.Const(expr.val)
174 elif type(expr) is astnodes.TypeCast: 176 elif type(expr) is astnodes.TypeCast:
175 # TODO: improve this mess: 177 # TODO: improve this mess:
176 ar = self.genExprCode(expr.a) 178 ar = self.genExprCode(expr.a)