compare_strings.py (5081:2ccce8600a9d) compare_strings.py (5420:dc0041a51920)
1# Copyright (c) 2007 The Hewlett-Packard Development Company
1# Copyright (c) 2007-2008 The Hewlett-Packard Development Company
2# All rights reserved.
3#
4# Redistribution and use of this software in source and binary forms,
5# with or without modification, are permitted provided that the
6# following conditions are met:
7#
8# The software must be used only for Non-Commercial Use which means any
9# use which is NOT directed to receiving any direct monetary

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70};
71
72#
73# Versions which have the rep prefix. These could benefit from some loop
74# unrolling.
75#
76
77def macroop CMPS_E_M_M {
2# All rights reserved.
3#
4# Redistribution and use of this software in source and binary forms,
5# with or without modification, are permitted provided that the
6# following conditions are met:
7#
8# The software must be used only for Non-Commercial Use which means any
9# use which is NOT directed to receiving any direct monetary

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

70};
71
72#
73# Versions which have the rep prefix. These could benefit from some loop
74# unrolling.
75#
76
77def macroop CMPS_E_M_M {
78 and t0, rcx, rcx, flags=(EZF,), dataSize=asz
79 bri t0, label("end"), flags=(CEZF,)
80
78 # Find the constant we need to either add or subtract from rdi
79 ruflag t0, 10
80 movi t3, t3, dsz, flags=(CEZF,), dataSize=asz
81 subi t4, t0, dsz, dataSize=asz
82 mov t3, t3, t4, flags=(nCEZF,), dataSize=asz
83
81 # Find the constant we need to either add or subtract from rdi
82 ruflag t0, 10
83 movi t3, t3, dsz, flags=(CEZF,), dataSize=asz
84 subi t4, t0, dsz, dataSize=asz
85 mov t3, t3, t4, flags=(nCEZF,), dataSize=asz
86
87topOfLoop:
84 ld t1, seg, [1, t0, rsi]
85 ld t2, es, [1, t0, rdi]
86 sub t0, t1, t2, flags=(OF, SF, ZF, AF, PF, CF)
87
88 subi rcx, rcx, 1, flags=(EZF,), dataSize=asz
89 add rdi, rdi, t3, dataSize=asz
90 add rsi, rsi, t3, dataSize=asz
88 ld t1, seg, [1, t0, rsi]
89 ld t2, es, [1, t0, rdi]
90 sub t0, t1, t2, flags=(OF, SF, ZF, AF, PF, CF)
91
92 subi rcx, rcx, 1, flags=(EZF,), dataSize=asz
93 add rdi, rdi, t3, dataSize=asz
94 add rsi, rsi, t3, dataSize=asz
91 bri t0, 4, flags=(CSTRZnEZF,)
95 bri t0, label("topOfLoop"), flags=(CSTRZnEZF,)
96end:
92 fault "NoFault"
93};
94
95def macroop CMPS_N_M_M {
97 fault "NoFault"
98};
99
100def macroop CMPS_N_M_M {
101 and t0, rcx, rcx, flags=(EZF,), dataSize=asz
102 bri t0, label("end"), flags=(CEZF,)
103
96 # Find the constant we need to either add or subtract from rdi
97 ruflag t0, 10
98 movi t3, t3, dsz, flags=(CEZF,), dataSize=asz
99 subi t4, t0, dsz, dataSize=asz
100 mov t3, t3, t4, flags=(nCEZF,), dataSize=asz
101
104 # Find the constant we need to either add or subtract from rdi
105 ruflag t0, 10
106 movi t3, t3, dsz, flags=(CEZF,), dataSize=asz
107 subi t4, t0, dsz, dataSize=asz
108 mov t3, t3, t4, flags=(nCEZF,), dataSize=asz
109
110topOfLoop:
102 ld t1, seg, [1, t0, rsi]
103 ld t2, es, [1, t0, rdi]
104 sub t0, t1, t2, flags=(OF, SF, ZF, AF, PF, CF)
105
106 subi rcx, rcx, 1, flags=(EZF,), dataSize=asz
107 add rdi, rdi, t3, dataSize=asz
108 add rsi, rsi, t3, dataSize=asz
111 ld t1, seg, [1, t0, rsi]
112 ld t2, es, [1, t0, rdi]
113 sub t0, t1, t2, flags=(OF, SF, ZF, AF, PF, CF)
114
115 subi rcx, rcx, 1, flags=(EZF,), dataSize=asz
116 add rdi, rdi, t3, dataSize=asz
117 add rsi, rsi, t3, dataSize=asz
109 bri t0, 4, flags=(CSTRnZnEZF,)
118 bri t0, label("topOfLoop"), flags=(CSTRnZnEZF,)
119end:
110 fault "NoFault"
111};
112'''
120 fault "NoFault"
121};
122'''