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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45 # This probably doesn't make much of a difference, but it's easy.
46 xor reg, reg, regm
47 xor regm, regm, reg
48 xor reg, reg, regm
49};
50
51def macroop XCHG_R_M
52{
53 mfence
54 ldstl t1, seg, sib, disp
55 stul reg, seg, sib, disp
56 mfence
57 mov reg, reg, t1
58};
59
60def macroop XCHG_R_P
61{
62 rdip t7
63 mfence
64 ldstl t1, seg, riprel, disp
65 stul reg, seg, riprel, disp
66 mfence
67 mov reg, reg, t1
68};
69
70def macroop XCHG_M_R
71{
72 mfence
73 ldstl t1, seg, sib, disp
74 stul reg, seg, sib, disp
75 mfence
76 mov reg, reg, t1
77};
78
79def macroop XCHG_P_R
80{
81 rdip t7
82 mfence
83 ldstl t1, seg, riprel, disp
84 stul reg, seg, riprel, disp
85 mfence
86 mov reg, reg, t1
87};
88
89def macroop XCHG_LOCKED_M_R
90{
91 mfence
92 ldstl t1, seg, sib, disp
93 stul reg, seg, sib, disp
94 mfence
95 mov reg, reg, t1
96};
97
98def macroop XCHG_LOCKED_P_R
99{
100 rdip t7
101 mfence
102 ldstl t1, seg, riprel, disp
103 stul reg, seg, riprel, disp
104 mfence
105 mov reg, reg, t1
106};
107'''