Mercurial > lcfOS

comparison python/ppci/target/arm/selector.py @ 352:899ae3aea803

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
First kernel run for vexpressA9
author Windel Bouwman
date Sun, 09 Mar 2014 11:55:55 +0100
parents 3bb7dcfe5529
children 42343d189e14
comparison
equal deleted inserted replaced
351:62803b073d11 352:899ae3aea803
1 from ... import ir, same_dir 1 from ... import ir, same_dir
2 from ppci.irmach import AbstractInstruction as makeIns 2 from ppci.irmach import AbstractInstruction as makeIns
3 from ppci.ir2tree import makeTree 3 from ppci.ir2tree import makeTree
4 from .instructions import Str1, Mov2 4 from .instructions import Str1, Mov2
5 from .instructions import B, Bl, Blt, Bgt, Beq 5 from .instructions import B, Bl, Blt, Bgt, Beq, Bne, Cmp2
6 import pyburg 6 import pyburg
7 from ..basetarget import Nop 7 from ..basetarget import Nop
8 from ..instructionselector import InstructionSelector 8 from ..instructionselector import InstructionSelector
9 9
10 # Import BURG spec for arm: 10 # Import BURG spec for arm:
73 tgt = self.targets[s.target] 73 tgt = self.targets[s.target]
74 self.emit(B(ir.label_name(s.target)), jumps=[tgt]) 74 self.emit(B(ir.label_name(s.target)), jumps=[tgt])
75 elif isinstance(s, ir.CJump): 75 elif isinstance(s, ir.CJump):
76 a = self.munchExpr(s.a) 76 a = self.munchExpr(s.a)
77 b = self.munchExpr(s.b) 77 b = self.munchExpr(s.b)
78 self.emit(Cmp, src=[a, b]) 78 self.emit(Cmp2, src=[a, b])
79 ntgt = self.targets[s.lab_no] 79 ntgt = self.targets[s.lab_no]
80 ytgt = self.targets[s.lab_yes] 80 ytgt = self.targets[s.lab_yes]
81 jmp_ins = makeIns(B(ir.label_name(s.lab_no)), jumps=[ntgt]) 81 jmp_ins = makeIns(B(ir.label_name(s.lab_no)), jumps=[ntgt])
82 opnames = {'<': Blt, '>':Bgt, '==':Beq, '!=':Bne} 82 opnames = {'<': Blt, '>':Bgt, '==':Beq, '!=':Bne}
83 op = opnames[s.cond](ir.label_name(s.lab_yes)) 83 op = opnames[s.cond](ir.label_name(s.lab_yes))