shift.py (5961:969fb3187eba) shift.py (5977:4fff54ab52ae)
1# Copyright (c) 2007 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

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169def macroop SHR_P_R
170{
171 rdip t7
172 ldst t1, seg, riprel, disp
173 srl t1, t1, reg, flags=(CF,OF,SF,ZF,PF)
174 st t1, seg, riprel, disp
175};
176
1# Copyright (c) 2007 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

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

169def macroop SHR_P_R
170{
171 rdip t7
172 ldst t1, seg, riprel, disp
173 srl t1, t1, reg, flags=(CF,OF,SF,ZF,PF)
174 st t1, seg, riprel, disp
175};
176
177# SHRD will not set OF correctly when the shift count is 1.
178def macroop SHRD_R_R_I
179{
180 srli t1, reg, imm, flags=(CF,)
181 rori t2, regm, imm
182 srli t3, regm, imm
183 xor t2, t2, t3
184 or reg, t1, t2
185};
186
187# SHRD will not set OF correctly when the shift count is 1.
188def macroop SHRD_M_R_I
189{
190 ldst t1, seg, sib, disp
191 srli t1, t1, imm, flags=(CF,)
192 rori t2, reg, imm
193 srli t3, reg, imm
194 xor t2, t2, t3
195 or t1, t1, t2
196 st t1, seg, sib, disp
197};
198
199# SHRD will not set OF correctly when the shift count is 1.
200def macroop SHRD_P_R_I
201{
202 rdip t7
203 ldst t1, seg, riprel, disp
204 srli t1, t1, imm, flags=(CF,)
205 rori t2, reg, imm
206 srli t3, reg, imm
207 xor t2, t2, t3
208 or t1, t1, t2
209 st t1, seg, riprel, disp
210};
211
177def macroop SAR_R_I
178{
179 srai reg, reg, imm, flags=(CF,OF,SF,ZF,PF)
180};
181
182def macroop SAR_M_I
183{
184 ldst t1, seg, sib, disp

--- 52 unchanged lines hidden --- 		212def macroop SAR_R_I
213{
214 srai reg, reg, imm, flags=(CF,OF,SF,ZF,PF)
215};
216
217def macroop SAR_M_I
218{
219 ldst t1, seg, sib, disp

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