x86: increment the stack pointer in lret inst
[gem5.git] / src / arch / x86 / isa / outputblock.isa
1 // Copyright (c) 2007 The Hewlett-Packard Development Company
2 // All rights reserved.
3 //
4 // The license below extends only to copyright in the software and shall
5 // not be construed as granting a license to any other intellectual
6 // property including but not limited to intellectual property relating
7 // to a hardware implementation of the functionality of the software
8 // licensed hereunder. You may use the software subject to the license
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12 //
13 // Redistribution and use in source and binary forms, with or without
14 // modification, are permitted provided that the following conditions are
15 // met: redistributions of source code must retain the above copyright
16 // notice, this list of conditions and the following disclaimer;
17 // redistributions in binary form must reproduce the above copyright
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20 // neither the name of the copyright holders nor the names of its
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22 // this software without specific prior written permission.
23 //
24 // THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
25 // "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
26 // LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
27 // A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
28 // OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
29 // SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
30 // LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
31 // DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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34 // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
35 //
36 // Authors: Gabe Black
37
38 ////////////////////////////////////////////////////////////////////
39 //
40 // Output blocks which group together code generated by the parser.
41 //
42
43 let {{
44 # This class will help make dealing with output a little less verbose
45 class OutputBlocks(object):
46 def __init__(self, header_output="",
47 decoder_output="",
48 decode_block="",
49 exec_output=""):
50 self.header_output = header_output
51 self.decoder_output = decoder_output
52 self.decode_block = decode_block
53 self.exec_output = exec_output
54
55 def append(self, blocks):
56 if isinstance(blocks, list) or isinstance(blocks, tuple):
57 assert(len(blocks) == 4)
58 self.header_output += blocks[0]
59 self.decoder_output += blocks[1]
60 self.decode_block += blocks[2]
61 self.exec_output += blocks[3]
62 else:
63 self.header_output += blocks.header_output
64 self.decoder_output += blocks.decoder_output
65 self.decode_block += blocks.decode_block
66 self.exec_output += blocks.exec_output
67
68 def makeList(self):
69 return (self.header_output,
70 self.decoder_output,
71 self.decode_block,
72 self.exec_output)
73 }};