xchg.py (7501:a75564db03c3) xchg.py (8610:9bdd52a2214c)
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{
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

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

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
53 ldstl t1, seg, sib, disp
54 stul reg, seg, sib, disp
54 ldstl t1, seg, sib, disp
55 stul reg, seg, sib, disp
56 mfence
55 mov reg, reg, t1
56};
57
58def macroop XCHG_R_P
59{
60 rdip t7
57 mov reg, reg, t1
58};
59
60def macroop XCHG_R_P
61{
62 rdip t7
63 mfence
61 ldstl t1, seg, riprel, disp
62 stul reg, seg, riprel, disp
64 ldstl t1, seg, riprel, disp
65 stul reg, seg, riprel, disp
66 mfence
63 mov reg, reg, t1
64};
65
66def macroop XCHG_M_R
67{
67 mov reg, reg, t1
68};
69
70def macroop XCHG_M_R
71{
72 mfence
68 ldstl t1, seg, sib, disp
69 stul reg, seg, sib, disp
73 ldstl t1, seg, sib, disp
74 stul reg, seg, sib, disp
75 mfence
70 mov reg, reg, t1
71};
72
73def macroop XCHG_P_R
74{
75 rdip t7
76 mov reg, reg, t1
77};
78
79def macroop XCHG_P_R
80{
81 rdip t7
82 mfence
76 ldstl t1, seg, riprel, disp
77 stul reg, seg, riprel, disp
83 ldstl t1, seg, riprel, disp
84 stul reg, seg, riprel, disp
85 mfence
78 mov reg, reg, t1
79};
80
81def macroop XCHG_LOCKED_M_R
82{
86 mov reg, reg, t1
87};
88
89def macroop XCHG_LOCKED_M_R
90{
91 mfence
83 ldstl t1, seg, sib, disp
84 stul reg, seg, sib, disp
92 ldstl t1, seg, sib, disp
93 stul reg, seg, sib, disp
94 mfence
85 mov reg, reg, t1
86};
87
88def macroop XCHG_LOCKED_P_R
89{
90 rdip t7
95 mov reg, reg, t1
96};
97
98def macroop XCHG_LOCKED_P_R
99{
100 rdip t7
101 mfence
91 ldstl t1, seg, riprel, disp
92 stul reg, seg, riprel, disp
102 ldstl t1, seg, riprel, disp
103 stul reg, seg, riprel, disp
104 mfence
93 mov reg, reg, t1
94};
95'''
105 mov reg, reg, t1
106};
107'''