1# Copyright (c) 2007 The Hewlett-Packard Development Company
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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 10# compensation for, or commercial advantage from such use. Illustrative 11# examples of non-commercial use are academic research, personal study, 12# teaching, education and corporate research & development. 13# Illustrative examples of commercial use are distributing products for 14# commercial advantage and providing services using the software for 15# commercial advantage. 16# 17# If you wish to use this software or functionality therein that may be 18# covered by patents for commercial use, please contact: 19# Director of Intellectual Property Licensing 20# Office of Strategy and Technology 21# Hewlett-Packard Company 22# 1501 Page Mill Road 23# Palo Alto, California 94304 24# 25# Redistributions of source code must retain the above copyright notice, 26# this list of conditions and the following disclaimer. Redistributions 27# in binary form must reproduce the above copyright notice, this list of 28# conditions and the following disclaimer in the documentation and/or 29# other materials provided with the distribution. Neither the name of 30# the COPYRIGHT HOLDER(s), HEWLETT-PACKARD COMPANY, nor the names of its 31# contributors may be used to endorse or promote products derived from 32# this software without specific prior written permission. No right of 33# sublicense is granted herewith. Derivatives of the software and 34# output created using the software may be prepared, but only for 35# Non-Commercial Uses. Derivatives of the software may be shared with 36# others provided: (i) the others agree to abide by the list of 37# conditions herein which includes the Non-Commercial Use restrictions; 38# and (ii) such Derivatives of the software include the above copyright 39# notice to acknowledge the contribution from this software where 40# applicable, this list of conditions and the disclaimer below. 41# 42# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 43# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 44# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR 45# A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 46# OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 47# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 48# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 49# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 50# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 51# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 52# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 53# 54# Authors: Gabe Black 55 56microcode = ''' 57def macroop CMPS_M_M { 58 # Find the constant we need to either add or subtract from rdi 59 ruflag t0, 10 60 movi t3, t3, dsz, flags=(CEZF,), dataSize=asz 61 subi t4, t0, dsz, dataSize=asz 62 mov t3, t3, t4, flags=(nCEZF,), dataSize=asz 63 64 ld t1, seg, [1, t0, rsi] 65 ld t2, es, [1, t0, rdi] 66 sub t0, t1, t2, flags=(OF, SF, ZF, AF, PF, CF) 67 68 add rdi, rdi, t3, dataSize=asz 69 add rsi, rsi, t3, dataSize=asz 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 {
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78 and t0, rcx, rcx, flags=(EZF,), dataSize=asz 79 bri t0, label("end"), flags=(CEZF,) 80 |
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
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87topOfLoop: |
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
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91 bri t0, 4, flags=(CSTRZnEZF,)
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95 bri t0, label("topOfLoop"), flags=(CSTRZnEZF,) 96end: |
97 fault "NoFault" 98}; 99 100def macroop CMPS_N_M_M {
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101 and t0, rcx, rcx, flags=(EZF,), dataSize=asz 102 bri t0, label("end"), flags=(CEZF,) 103 |
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
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110topOfLoop: |
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
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109 bri t0, 4, flags=(CSTRnZnEZF,)
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118 bri t0, label("topOfLoop"), flags=(CSTRnZnEZF,) 119end: |
120 fault "NoFault" 121}; 122'''
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