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1 | 66fb9763 | bellard | /*
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2 | 66fb9763 | bellard | * i386 micro operations (included several times to generate
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3 | 66fb9763 | bellard | * different operand sizes)
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4 | 66fb9763 | bellard | *
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5 | 66fb9763 | bellard | * Copyright (c) 2003 Fabrice Bellard
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6 | 66fb9763 | bellard | *
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7 | d691f669 | bellard | * This library is free software; you can redistribute it and/or
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8 | d691f669 | bellard | * modify it under the terms of the GNU Lesser General Public
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9 | d691f669 | bellard | * License as published by the Free Software Foundation; either
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10 | d691f669 | bellard | * version 2 of the License, or (at your option) any later version.
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11 | 66fb9763 | bellard | *
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12 | d691f669 | bellard | * This library is distributed in the hope that it will be useful,
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13 | d691f669 | bellard | * but WITHOUT ANY WARRANTY; without even the implied warranty of
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14 | d691f669 | bellard | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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15 | d691f669 | bellard | * Lesser General Public License for more details.
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16 | 66fb9763 | bellard | *
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17 | d691f669 | bellard | * You should have received a copy of the GNU Lesser General Public
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18 | d691f669 | bellard | * License along with this library; if not, write to the Free Software
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19 | d691f669 | bellard | * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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20 | 66fb9763 | bellard | */
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21 | 367e86e8 | bellard | #define DATA_BITS (1 << (3 + SHIFT)) |
22 | 367e86e8 | bellard | #define SHIFT_MASK (DATA_BITS - 1) |
23 | 367e86e8 | bellard | #define SIGN_MASK (1 << (DATA_BITS - 1)) |
24 | 367e86e8 | bellard | |
25 | 367e86e8 | bellard | #if DATA_BITS == 8 |
26 | 367e86e8 | bellard | #define SUFFIX b
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27 | 367e86e8 | bellard | #define DATA_TYPE uint8_t
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28 | 367e86e8 | bellard | #define DATA_STYPE int8_t
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29 | 367e86e8 | bellard | #define DATA_MASK 0xff |
30 | 367e86e8 | bellard | #elif DATA_BITS == 16 |
31 | 367e86e8 | bellard | #define SUFFIX w
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32 | 367e86e8 | bellard | #define DATA_TYPE uint16_t
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33 | 367e86e8 | bellard | #define DATA_STYPE int16_t
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34 | 367e86e8 | bellard | #define DATA_MASK 0xffff |
35 | 367e86e8 | bellard | #elif DATA_BITS == 32 |
36 | 367e86e8 | bellard | #define SUFFIX l
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37 | 367e86e8 | bellard | #define DATA_TYPE uint32_t
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38 | 367e86e8 | bellard | #define DATA_STYPE int32_t
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39 | 367e86e8 | bellard | #define DATA_MASK 0xffffffff |
40 | 367e86e8 | bellard | #else
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41 | 367e86e8 | bellard | #error unhandled operand size
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42 | 367e86e8 | bellard | #endif
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43 | 367e86e8 | bellard | |
44 | 367e86e8 | bellard | /* dynamic flags computation */
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45 | 367e86e8 | bellard | |
46 | 367e86e8 | bellard | static int glue(compute_all_add, SUFFIX)(void) |
47 | 367e86e8 | bellard | { |
48 | 367e86e8 | bellard | int cf, pf, af, zf, sf, of;
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49 | 367e86e8 | bellard | int src1, src2;
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50 | 367e86e8 | bellard | src1 = CC_SRC; |
51 | 367e86e8 | bellard | src2 = CC_DST - CC_SRC; |
52 | 367e86e8 | bellard | cf = (DATA_TYPE)CC_DST < (DATA_TYPE)src1; |
53 | 367e86e8 | bellard | pf = parity_table[(uint8_t)CC_DST]; |
54 | 367e86e8 | bellard | af = (CC_DST ^ src1 ^ src2) & 0x10;
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55 | 4b74fe1f | bellard | zf = ((DATA_TYPE)CC_DST == 0) << 6; |
56 | 367e86e8 | bellard | sf = lshift(CC_DST, 8 - DATA_BITS) & 0x80; |
57 | 367e86e8 | bellard | of = lshift((src1 ^ src2 ^ -1) & (src1 ^ CC_DST), 12 - DATA_BITS) & CC_O; |
58 | 367e86e8 | bellard | return cf | pf | af | zf | sf | of;
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59 | 367e86e8 | bellard | } |
60 | 367e86e8 | bellard | |
61 | 367e86e8 | bellard | static int glue(compute_c_add, SUFFIX)(void) |
62 | 367e86e8 | bellard | { |
63 | 367e86e8 | bellard | int src1, cf;
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64 | 367e86e8 | bellard | src1 = CC_SRC; |
65 | 367e86e8 | bellard | cf = (DATA_TYPE)CC_DST < (DATA_TYPE)src1; |
66 | 367e86e8 | bellard | return cf;
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67 | 367e86e8 | bellard | } |
68 | 367e86e8 | bellard | |
69 | 4b74fe1f | bellard | static int glue(compute_all_adc, SUFFIX)(void) |
70 | 4b74fe1f | bellard | { |
71 | 4b74fe1f | bellard | int cf, pf, af, zf, sf, of;
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72 | 4b74fe1f | bellard | int src1, src2;
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73 | 4b74fe1f | bellard | src1 = CC_SRC; |
74 | 4b74fe1f | bellard | src2 = CC_DST - CC_SRC - 1;
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75 | 4b74fe1f | bellard | cf = (DATA_TYPE)CC_DST <= (DATA_TYPE)src1; |
76 | 4b74fe1f | bellard | pf = parity_table[(uint8_t)CC_DST]; |
77 | 4b74fe1f | bellard | af = (CC_DST ^ src1 ^ src2) & 0x10;
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78 | 4b74fe1f | bellard | zf = ((DATA_TYPE)CC_DST == 0) << 6; |
79 | 4b74fe1f | bellard | sf = lshift(CC_DST, 8 - DATA_BITS) & 0x80; |
80 | 4b74fe1f | bellard | of = lshift((src1 ^ src2 ^ -1) & (src1 ^ CC_DST), 12 - DATA_BITS) & CC_O; |
81 | 4b74fe1f | bellard | return cf | pf | af | zf | sf | of;
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82 | 4b74fe1f | bellard | } |
83 | 4b74fe1f | bellard | |
84 | 4b74fe1f | bellard | static int glue(compute_c_adc, SUFFIX)(void) |
85 | 4b74fe1f | bellard | { |
86 | 4b74fe1f | bellard | int src1, cf;
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87 | 4b74fe1f | bellard | src1 = CC_SRC; |
88 | 4b74fe1f | bellard | cf = (DATA_TYPE)CC_DST <= (DATA_TYPE)src1; |
89 | 4b74fe1f | bellard | return cf;
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90 | 4b74fe1f | bellard | } |
91 | 4b74fe1f | bellard | |
92 | 367e86e8 | bellard | static int glue(compute_all_sub, SUFFIX)(void) |
93 | 367e86e8 | bellard | { |
94 | 367e86e8 | bellard | int cf, pf, af, zf, sf, of;
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95 | 367e86e8 | bellard | int src1, src2;
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96 | 367e86e8 | bellard | src1 = CC_SRC; |
97 | 367e86e8 | bellard | src2 = CC_SRC - CC_DST; |
98 | 367e86e8 | bellard | cf = (DATA_TYPE)src1 < (DATA_TYPE)src2; |
99 | 367e86e8 | bellard | pf = parity_table[(uint8_t)CC_DST]; |
100 | 367e86e8 | bellard | af = (CC_DST ^ src1 ^ src2) & 0x10;
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101 | 4b74fe1f | bellard | zf = ((DATA_TYPE)CC_DST == 0) << 6; |
102 | 367e86e8 | bellard | sf = lshift(CC_DST, 8 - DATA_BITS) & 0x80; |
103 | 4b74fe1f | bellard | of = lshift((src1 ^ src2) & (src1 ^ CC_DST), 12 - DATA_BITS) & CC_O;
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104 | 367e86e8 | bellard | return cf | pf | af | zf | sf | of;
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105 | 367e86e8 | bellard | } |
106 | 367e86e8 | bellard | |
107 | 367e86e8 | bellard | static int glue(compute_c_sub, SUFFIX)(void) |
108 | 367e86e8 | bellard | { |
109 | 367e86e8 | bellard | int src1, src2, cf;
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110 | 367e86e8 | bellard | src1 = CC_SRC; |
111 | 367e86e8 | bellard | src2 = CC_SRC - CC_DST; |
112 | 4b74fe1f | bellard | cf = (DATA_TYPE)src1 < (DATA_TYPE)src2; |
113 | 4b74fe1f | bellard | return cf;
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114 | 4b74fe1f | bellard | } |
115 | 4b74fe1f | bellard | |
116 | 4b74fe1f | bellard | static int glue(compute_all_sbb, SUFFIX)(void) |
117 | 4b74fe1f | bellard | { |
118 | 4b74fe1f | bellard | int cf, pf, af, zf, sf, of;
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119 | 4b74fe1f | bellard | int src1, src2;
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120 | 4b74fe1f | bellard | src1 = CC_SRC; |
121 | 4b74fe1f | bellard | src2 = CC_SRC - CC_DST - 1;
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122 | 4b74fe1f | bellard | cf = (DATA_TYPE)src1 <= (DATA_TYPE)src2; |
123 | 4b74fe1f | bellard | pf = parity_table[(uint8_t)CC_DST]; |
124 | 4b74fe1f | bellard | af = (CC_DST ^ src1 ^ src2) & 0x10;
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125 | 4b74fe1f | bellard | zf = ((DATA_TYPE)CC_DST == 0) << 6; |
126 | 4b74fe1f | bellard | sf = lshift(CC_DST, 8 - DATA_BITS) & 0x80; |
127 | 4b74fe1f | bellard | of = lshift((src1 ^ src2) & (src1 ^ CC_DST), 12 - DATA_BITS) & CC_O;
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128 | 4b74fe1f | bellard | return cf | pf | af | zf | sf | of;
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129 | 4b74fe1f | bellard | } |
130 | 4b74fe1f | bellard | |
131 | 4b74fe1f | bellard | static int glue(compute_c_sbb, SUFFIX)(void) |
132 | 4b74fe1f | bellard | { |
133 | 4b74fe1f | bellard | int src1, src2, cf;
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134 | 4b74fe1f | bellard | src1 = CC_SRC; |
135 | 4b74fe1f | bellard | src2 = CC_SRC - CC_DST - 1;
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136 | 4b74fe1f | bellard | cf = (DATA_TYPE)src1 <= (DATA_TYPE)src2; |
137 | 367e86e8 | bellard | return cf;
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138 | 367e86e8 | bellard | } |
139 | 367e86e8 | bellard | |
140 | 367e86e8 | bellard | static int glue(compute_all_logic, SUFFIX)(void) |
141 | 367e86e8 | bellard | { |
142 | 367e86e8 | bellard | int cf, pf, af, zf, sf, of;
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143 | 367e86e8 | bellard | cf = 0;
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144 | 367e86e8 | bellard | pf = parity_table[(uint8_t)CC_DST]; |
145 | 367e86e8 | bellard | af = 0;
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146 | 4b74fe1f | bellard | zf = ((DATA_TYPE)CC_DST == 0) << 6; |
147 | 367e86e8 | bellard | sf = lshift(CC_DST, 8 - DATA_BITS) & 0x80; |
148 | 367e86e8 | bellard | of = 0;
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149 | 367e86e8 | bellard | return cf | pf | af | zf | sf | of;
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150 | 367e86e8 | bellard | } |
151 | 367e86e8 | bellard | |
152 | 367e86e8 | bellard | static int glue(compute_c_logic, SUFFIX)(void) |
153 | 367e86e8 | bellard | { |
154 | 367e86e8 | bellard | return 0; |
155 | 367e86e8 | bellard | } |
156 | 367e86e8 | bellard | |
157 | 367e86e8 | bellard | static int glue(compute_all_inc, SUFFIX)(void) |
158 | 367e86e8 | bellard | { |
159 | 367e86e8 | bellard | int cf, pf, af, zf, sf, of;
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160 | 367e86e8 | bellard | int src1, src2;
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161 | 367e86e8 | bellard | src1 = CC_DST - 1;
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162 | 367e86e8 | bellard | src2 = 1;
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163 | 367e86e8 | bellard | cf = CC_SRC; |
164 | 367e86e8 | bellard | pf = parity_table[(uint8_t)CC_DST]; |
165 | 367e86e8 | bellard | af = (CC_DST ^ src1 ^ src2) & 0x10;
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166 | 4b74fe1f | bellard | zf = ((DATA_TYPE)CC_DST == 0) << 6; |
167 | 367e86e8 | bellard | sf = lshift(CC_DST, 8 - DATA_BITS) & 0x80; |
168 | 4b74fe1f | bellard | of = ((CC_DST & DATA_MASK) == SIGN_MASK) << 11;
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169 | 367e86e8 | bellard | return cf | pf | af | zf | sf | of;
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170 | 367e86e8 | bellard | } |
171 | 367e86e8 | bellard | |
172 | 4b74fe1f | bellard | #if DATA_BITS == 32 |
173 | 367e86e8 | bellard | static int glue(compute_c_inc, SUFFIX)(void) |
174 | 367e86e8 | bellard | { |
175 | 367e86e8 | bellard | return CC_SRC;
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176 | 367e86e8 | bellard | } |
177 | 4b74fe1f | bellard | #endif
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178 | 367e86e8 | bellard | |
179 | 367e86e8 | bellard | static int glue(compute_all_dec, SUFFIX)(void) |
180 | 367e86e8 | bellard | { |
181 | 367e86e8 | bellard | int cf, pf, af, zf, sf, of;
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182 | 367e86e8 | bellard | int src1, src2;
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183 | 367e86e8 | bellard | src1 = CC_DST + 1;
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184 | 367e86e8 | bellard | src2 = 1;
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185 | 367e86e8 | bellard | cf = CC_SRC; |
186 | 367e86e8 | bellard | pf = parity_table[(uint8_t)CC_DST]; |
187 | 367e86e8 | bellard | af = (CC_DST ^ src1 ^ src2) & 0x10;
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188 | 4b74fe1f | bellard | zf = ((DATA_TYPE)CC_DST == 0) << 6; |
189 | 367e86e8 | bellard | sf = lshift(CC_DST, 8 - DATA_BITS) & 0x80; |
190 | 4b74fe1f | bellard | of = ((CC_DST & DATA_MASK) == ((uint32_t)SIGN_MASK - 1)) << 11; |
191 | 367e86e8 | bellard | return cf | pf | af | zf | sf | of;
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192 | 367e86e8 | bellard | } |
193 | 367e86e8 | bellard | |
194 | 367e86e8 | bellard | static int glue(compute_all_shl, SUFFIX)(void) |
195 | 367e86e8 | bellard | { |
196 | 367e86e8 | bellard | int cf, pf, af, zf, sf, of;
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197 | d57c4e01 | bellard | cf = (CC_SRC >> (DATA_BITS - 1)) & CC_C;
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198 | 367e86e8 | bellard | pf = parity_table[(uint8_t)CC_DST]; |
199 | 367e86e8 | bellard | af = 0; /* undefined */ |
200 | 4b74fe1f | bellard | zf = ((DATA_TYPE)CC_DST == 0) << 6; |
201 | 367e86e8 | bellard | sf = lshift(CC_DST, 8 - DATA_BITS) & 0x80; |
202 | d57c4e01 | bellard | /* of is defined if shift count == 1 */
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203 | d57c4e01 | bellard | of = lshift(CC_SRC ^ CC_DST, 12 - DATA_BITS) & CC_O;
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204 | 367e86e8 | bellard | return cf | pf | af | zf | sf | of;
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205 | 367e86e8 | bellard | } |
206 | 367e86e8 | bellard | |
207 | 4b74fe1f | bellard | #if DATA_BITS == 32 |
208 | 367e86e8 | bellard | static int glue(compute_c_shl, SUFFIX)(void) |
209 | 367e86e8 | bellard | { |
210 | 367e86e8 | bellard | return CC_SRC & 1; |
211 | 367e86e8 | bellard | } |
212 | 4b74fe1f | bellard | #endif
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213 | 4b74fe1f | bellard | |
214 | 4b74fe1f | bellard | static int glue(compute_all_sar, SUFFIX)(void) |
215 | 4b74fe1f | bellard | { |
216 | 4b74fe1f | bellard | int cf, pf, af, zf, sf, of;
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217 | 4b74fe1f | bellard | cf = CC_SRC & 1;
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218 | 4b74fe1f | bellard | pf = parity_table[(uint8_t)CC_DST]; |
219 | 4b74fe1f | bellard | af = 0; /* undefined */ |
220 | 4b74fe1f | bellard | zf = ((DATA_TYPE)CC_DST == 0) << 6; |
221 | 4b74fe1f | bellard | sf = lshift(CC_DST, 8 - DATA_BITS) & 0x80; |
222 | d57c4e01 | bellard | /* of is defined if shift count == 1 */
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223 | d57c4e01 | bellard | of = lshift(CC_SRC ^ CC_DST, 12 - DATA_BITS) & CC_O;
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224 | 4b74fe1f | bellard | return cf | pf | af | zf | sf | of;
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225 | 4b74fe1f | bellard | } |
226 | 367e86e8 | bellard | |
227 | 367e86e8 | bellard | /* various optimized jumps cases */
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228 | 367e86e8 | bellard | |
229 | 367e86e8 | bellard | void OPPROTO glue(op_jb_sub, SUFFIX)(void) |
230 | 367e86e8 | bellard | { |
231 | 367e86e8 | bellard | int src1, src2;
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232 | 367e86e8 | bellard | src1 = CC_SRC; |
233 | 367e86e8 | bellard | src2 = CC_SRC - CC_DST; |
234 | 367e86e8 | bellard | |
235 | 367e86e8 | bellard | if ((DATA_TYPE)src1 < (DATA_TYPE)src2)
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236 | dab2ed99 | bellard | EIP = PARAM1; |
237 | 367e86e8 | bellard | else
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238 | dab2ed99 | bellard | EIP = PARAM2; |
239 | 367e86e8 | bellard | FORCE_RET(); |
240 | 367e86e8 | bellard | } |
241 | 367e86e8 | bellard | |
242 | 367e86e8 | bellard | void OPPROTO glue(op_jz_sub, SUFFIX)(void) |
243 | 367e86e8 | bellard | { |
244 | 4b74fe1f | bellard | if ((DATA_TYPE)CC_DST == 0) |
245 | dab2ed99 | bellard | EIP = PARAM1; |
246 | 367e86e8 | bellard | else
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247 | dab2ed99 | bellard | EIP = PARAM2; |
248 | 367e86e8 | bellard | FORCE_RET(); |
249 | 367e86e8 | bellard | } |
250 | 367e86e8 | bellard | |
251 | 367e86e8 | bellard | void OPPROTO glue(op_jbe_sub, SUFFIX)(void) |
252 | 367e86e8 | bellard | { |
253 | 367e86e8 | bellard | int src1, src2;
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254 | 367e86e8 | bellard | src1 = CC_SRC; |
255 | 367e86e8 | bellard | src2 = CC_SRC - CC_DST; |
256 | 367e86e8 | bellard | |
257 | 367e86e8 | bellard | if ((DATA_TYPE)src1 <= (DATA_TYPE)src2)
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258 | dab2ed99 | bellard | EIP = PARAM1; |
259 | 367e86e8 | bellard | else
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260 | dab2ed99 | bellard | EIP = PARAM2; |
261 | 367e86e8 | bellard | FORCE_RET(); |
262 | 367e86e8 | bellard | } |
263 | 367e86e8 | bellard | |
264 | 367e86e8 | bellard | void OPPROTO glue(op_js_sub, SUFFIX)(void) |
265 | 367e86e8 | bellard | { |
266 | 367e86e8 | bellard | if (CC_DST & SIGN_MASK)
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267 | dab2ed99 | bellard | EIP = PARAM1; |
268 | 367e86e8 | bellard | else
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269 | dab2ed99 | bellard | EIP = PARAM2; |
270 | 367e86e8 | bellard | FORCE_RET(); |
271 | 367e86e8 | bellard | } |
272 | 367e86e8 | bellard | |
273 | 367e86e8 | bellard | void OPPROTO glue(op_jl_sub, SUFFIX)(void) |
274 | 367e86e8 | bellard | { |
275 | 367e86e8 | bellard | int src1, src2;
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276 | 367e86e8 | bellard | src1 = CC_SRC; |
277 | 367e86e8 | bellard | src2 = CC_SRC - CC_DST; |
278 | 367e86e8 | bellard | |
279 | 367e86e8 | bellard | if ((DATA_STYPE)src1 < (DATA_STYPE)src2)
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280 | dab2ed99 | bellard | EIP = PARAM1; |
281 | 367e86e8 | bellard | else
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282 | dab2ed99 | bellard | EIP = PARAM2; |
283 | 367e86e8 | bellard | FORCE_RET(); |
284 | 367e86e8 | bellard | } |
285 | 367e86e8 | bellard | |
286 | 367e86e8 | bellard | void OPPROTO glue(op_jle_sub, SUFFIX)(void) |
287 | 367e86e8 | bellard | { |
288 | 367e86e8 | bellard | int src1, src2;
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289 | 367e86e8 | bellard | src1 = CC_SRC; |
290 | 367e86e8 | bellard | src2 = CC_SRC - CC_DST; |
291 | 367e86e8 | bellard | |
292 | 367e86e8 | bellard | if ((DATA_STYPE)src1 <= (DATA_STYPE)src2)
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293 | dab2ed99 | bellard | EIP = PARAM1; |
294 | 367e86e8 | bellard | else
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295 | dab2ed99 | bellard | EIP = PARAM2; |
296 | 367e86e8 | bellard | FORCE_RET(); |
297 | 367e86e8 | bellard | } |
298 | 367e86e8 | bellard | |
299 | 1a9353d2 | bellard | /* oldies */
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300 | 1a9353d2 | bellard | |
301 | 1a9353d2 | bellard | #if DATA_BITS >= 16 |
302 | 1a9353d2 | bellard | |
303 | 1a9353d2 | bellard | void OPPROTO glue(op_loopnz, SUFFIX)(void) |
304 | 1a9353d2 | bellard | { |
305 | 1a9353d2 | bellard | unsigned int tmp; |
306 | 1a9353d2 | bellard | int eflags;
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307 | 1a9353d2 | bellard | eflags = cc_table[CC_OP].compute_all(); |
308 | 1a9353d2 | bellard | tmp = (ECX - 1) & DATA_MASK;
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309 | 1a9353d2 | bellard | ECX = (ECX & ~DATA_MASK) | tmp; |
310 | 1a9353d2 | bellard | if (tmp != 0 && !(eflags & CC_Z)) |
311 | dab2ed99 | bellard | EIP = PARAM1; |
312 | 1a9353d2 | bellard | else
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313 | dab2ed99 | bellard | EIP = PARAM2; |
314 | 1a9353d2 | bellard | FORCE_RET(); |
315 | 1a9353d2 | bellard | } |
316 | 1a9353d2 | bellard | |
317 | 1a9353d2 | bellard | void OPPROTO glue(op_loopz, SUFFIX)(void) |
318 | 1a9353d2 | bellard | { |
319 | 1a9353d2 | bellard | unsigned int tmp; |
320 | 1a9353d2 | bellard | int eflags;
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321 | 1a9353d2 | bellard | eflags = cc_table[CC_OP].compute_all(); |
322 | 1a9353d2 | bellard | tmp = (ECX - 1) & DATA_MASK;
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323 | 1a9353d2 | bellard | ECX = (ECX & ~DATA_MASK) | tmp; |
324 | 1a9353d2 | bellard | if (tmp != 0 && (eflags & CC_Z)) |
325 | dab2ed99 | bellard | EIP = PARAM1; |
326 | 1a9353d2 | bellard | else
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327 | dab2ed99 | bellard | EIP = PARAM2; |
328 | 1a9353d2 | bellard | FORCE_RET(); |
329 | 1a9353d2 | bellard | } |
330 | 1a9353d2 | bellard | |
331 | 1a9353d2 | bellard | void OPPROTO glue(op_loop, SUFFIX)(void) |
332 | 1a9353d2 | bellard | { |
333 | 1a9353d2 | bellard | unsigned int tmp; |
334 | 1a9353d2 | bellard | tmp = (ECX - 1) & DATA_MASK;
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335 | 1a9353d2 | bellard | ECX = (ECX & ~DATA_MASK) | tmp; |
336 | 1a9353d2 | bellard | if (tmp != 0) |
337 | dab2ed99 | bellard | EIP = PARAM1; |
338 | 1a9353d2 | bellard | else
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339 | dab2ed99 | bellard | EIP = PARAM2; |
340 | 1a9353d2 | bellard | FORCE_RET(); |
341 | 1a9353d2 | bellard | } |
342 | 1a9353d2 | bellard | |
343 | 1a9353d2 | bellard | void OPPROTO glue(op_jecxz, SUFFIX)(void) |
344 | 1a9353d2 | bellard | { |
345 | 1a9353d2 | bellard | if ((DATA_TYPE)ECX == 0) |
346 | dab2ed99 | bellard | EIP = PARAM1; |
347 | 1a9353d2 | bellard | else
|
348 | dab2ed99 | bellard | EIP = PARAM2; |
349 | 1a9353d2 | bellard | FORCE_RET(); |
350 | 1a9353d2 | bellard | } |
351 | 1a9353d2 | bellard | |
352 | 1a9353d2 | bellard | #endif
|
353 | 1a9353d2 | bellard | |
354 | 367e86e8 | bellard | /* various optimized set cases */
|
355 | 367e86e8 | bellard | |
356 | 367e86e8 | bellard | void OPPROTO glue(op_setb_T0_sub, SUFFIX)(void) |
357 | 367e86e8 | bellard | { |
358 | 367e86e8 | bellard | int src1, src2;
|
359 | 367e86e8 | bellard | src1 = CC_SRC; |
360 | 367e86e8 | bellard | src2 = CC_SRC - CC_DST; |
361 | 367e86e8 | bellard | |
362 | 367e86e8 | bellard | T0 = ((DATA_TYPE)src1 < (DATA_TYPE)src2); |
363 | 367e86e8 | bellard | } |
364 | 367e86e8 | bellard | |
365 | 367e86e8 | bellard | void OPPROTO glue(op_setz_T0_sub, SUFFIX)(void) |
366 | 367e86e8 | bellard | { |
367 | 4b74fe1f | bellard | T0 = ((DATA_TYPE)CC_DST == 0);
|
368 | 367e86e8 | bellard | } |
369 | 367e86e8 | bellard | |
370 | 367e86e8 | bellard | void OPPROTO glue(op_setbe_T0_sub, SUFFIX)(void) |
371 | 367e86e8 | bellard | { |
372 | 367e86e8 | bellard | int src1, src2;
|
373 | 367e86e8 | bellard | src1 = CC_SRC; |
374 | 367e86e8 | bellard | src2 = CC_SRC - CC_DST; |
375 | 367e86e8 | bellard | |
376 | 367e86e8 | bellard | T0 = ((DATA_TYPE)src1 <= (DATA_TYPE)src2); |
377 | 367e86e8 | bellard | } |
378 | 367e86e8 | bellard | |
379 | 367e86e8 | bellard | void OPPROTO glue(op_sets_T0_sub, SUFFIX)(void) |
380 | 367e86e8 | bellard | { |
381 | 367e86e8 | bellard | T0 = lshift(CC_DST, -(DATA_BITS - 1)) & 1; |
382 | 367e86e8 | bellard | } |
383 | 367e86e8 | bellard | |
384 | 367e86e8 | bellard | void OPPROTO glue(op_setl_T0_sub, SUFFIX)(void) |
385 | 367e86e8 | bellard | { |
386 | 367e86e8 | bellard | int src1, src2;
|
387 | 367e86e8 | bellard | src1 = CC_SRC; |
388 | 367e86e8 | bellard | src2 = CC_SRC - CC_DST; |
389 | 367e86e8 | bellard | |
390 | 367e86e8 | bellard | T0 = ((DATA_STYPE)src1 < (DATA_STYPE)src2); |
391 | 367e86e8 | bellard | } |
392 | 367e86e8 | bellard | |
393 | 367e86e8 | bellard | void OPPROTO glue(op_setle_T0_sub, SUFFIX)(void) |
394 | 367e86e8 | bellard | { |
395 | 367e86e8 | bellard | int src1, src2;
|
396 | 367e86e8 | bellard | src1 = CC_SRC; |
397 | 367e86e8 | bellard | src2 = CC_SRC - CC_DST; |
398 | 367e86e8 | bellard | |
399 | 367e86e8 | bellard | T0 = ((DATA_STYPE)src1 <= (DATA_STYPE)src2); |
400 | 367e86e8 | bellard | } |
401 | 367e86e8 | bellard | |
402 | 367e86e8 | bellard | /* shifts */
|
403 | 367e86e8 | bellard | |
404 | 367e86e8 | bellard | void OPPROTO glue(glue(op_rol, SUFFIX), _T0_T1_cc)(void) |
405 | 367e86e8 | bellard | { |
406 | 367e86e8 | bellard | int count, src;
|
407 | 367e86e8 | bellard | count = T1 & SHIFT_MASK; |
408 | 367e86e8 | bellard | if (count) {
|
409 | 367e86e8 | bellard | CC_SRC = cc_table[CC_OP].compute_all() & ~(CC_O | CC_C); |
410 | 367e86e8 | bellard | src = T0; |
411 | 367e86e8 | bellard | T0 &= DATA_MASK; |
412 | 367e86e8 | bellard | T0 = (T0 << count) | (T0 >> (DATA_BITS - count)); |
413 | 367e86e8 | bellard | CC_SRC |= (lshift(src ^ T0, 11 - (DATA_BITS - 1)) & CC_O) | |
414 | 367e86e8 | bellard | (T0 & CC_C); |
415 | 367e86e8 | bellard | CC_OP = CC_OP_EFLAGS; |
416 | 367e86e8 | bellard | } |
417 | 4b74fe1f | bellard | FORCE_RET(); |
418 | 367e86e8 | bellard | } |
419 | 367e86e8 | bellard | |
420 | dc99065b | bellard | void OPPROTO glue(glue(op_rol, SUFFIX), _T0_T1)(void) |
421 | dc99065b | bellard | { |
422 | dc99065b | bellard | int count;
|
423 | dc99065b | bellard | count = T1 & SHIFT_MASK; |
424 | dc99065b | bellard | if (count) {
|
425 | dc99065b | bellard | T0 &= DATA_MASK; |
426 | dc99065b | bellard | T0 = (T0 << count) | (T0 >> (DATA_BITS - count)); |
427 | dc99065b | bellard | } |
428 | dc99065b | bellard | FORCE_RET(); |
429 | dc99065b | bellard | } |
430 | dc99065b | bellard | |
431 | 367e86e8 | bellard | void OPPROTO glue(glue(op_ror, SUFFIX), _T0_T1_cc)(void) |
432 | 367e86e8 | bellard | { |
433 | 367e86e8 | bellard | int count, src;
|
434 | 367e86e8 | bellard | count = T1 & SHIFT_MASK; |
435 | 367e86e8 | bellard | if (count) {
|
436 | 367e86e8 | bellard | CC_SRC = cc_table[CC_OP].compute_all() & ~(CC_O | CC_C); |
437 | 367e86e8 | bellard | src = T0; |
438 | 367e86e8 | bellard | T0 &= DATA_MASK; |
439 | 367e86e8 | bellard | T0 = (T0 >> count) | (T0 << (DATA_BITS - count)); |
440 | 367e86e8 | bellard | CC_SRC |= (lshift(src ^ T0, 11 - (DATA_BITS - 1)) & CC_O) | |
441 | 367e86e8 | bellard | ((T0 >> (DATA_BITS - 1)) & CC_C);
|
442 | 367e86e8 | bellard | CC_OP = CC_OP_EFLAGS; |
443 | 367e86e8 | bellard | } |
444 | 4b74fe1f | bellard | FORCE_RET(); |
445 | 367e86e8 | bellard | } |
446 | 367e86e8 | bellard | |
447 | dc99065b | bellard | void OPPROTO glue(glue(op_ror, SUFFIX), _T0_T1)(void) |
448 | dc99065b | bellard | { |
449 | dc99065b | bellard | int count;
|
450 | dc99065b | bellard | count = T1 & SHIFT_MASK; |
451 | dc99065b | bellard | if (count) {
|
452 | dc99065b | bellard | T0 &= DATA_MASK; |
453 | dc99065b | bellard | T0 = (T0 >> count) | (T0 << (DATA_BITS - count)); |
454 | dc99065b | bellard | } |
455 | dc99065b | bellard | FORCE_RET(); |
456 | dc99065b | bellard | } |
457 | dc99065b | bellard | |
458 | 367e86e8 | bellard | void OPPROTO glue(glue(op_rcl, SUFFIX), _T0_T1_cc)(void) |
459 | 367e86e8 | bellard | { |
460 | 367e86e8 | bellard | int count, res, eflags;
|
461 | 367e86e8 | bellard | unsigned int src; |
462 | 367e86e8 | bellard | |
463 | 367e86e8 | bellard | count = T1 & 0x1f;
|
464 | 367e86e8 | bellard | #if DATA_BITS == 16 |
465 | 367e86e8 | bellard | count = rclw_table[count]; |
466 | 367e86e8 | bellard | #elif DATA_BITS == 8 |
467 | 367e86e8 | bellard | count = rclb_table[count]; |
468 | 367e86e8 | bellard | #endif
|
469 | 367e86e8 | bellard | if (count) {
|
470 | 367e86e8 | bellard | eflags = cc_table[CC_OP].compute_all(); |
471 | 4b74fe1f | bellard | T0 &= DATA_MASK; |
472 | 367e86e8 | bellard | src = T0; |
473 | 367e86e8 | bellard | res = (T0 << count) | ((eflags & CC_C) << (count - 1));
|
474 | 367e86e8 | bellard | if (count > 1) |
475 | 367e86e8 | bellard | res |= T0 >> (DATA_BITS + 1 - count);
|
476 | 367e86e8 | bellard | T0 = res; |
477 | 367e86e8 | bellard | CC_SRC = (eflags & ~(CC_C | CC_O)) | |
478 | 367e86e8 | bellard | (lshift(src ^ T0, 11 - (DATA_BITS - 1)) & CC_O) | |
479 | 367e86e8 | bellard | ((src >> (DATA_BITS - count)) & CC_C); |
480 | 367e86e8 | bellard | CC_OP = CC_OP_EFLAGS; |
481 | 367e86e8 | bellard | } |
482 | 4b74fe1f | bellard | FORCE_RET(); |
483 | 367e86e8 | bellard | } |
484 | 367e86e8 | bellard | |
485 | 367e86e8 | bellard | void OPPROTO glue(glue(op_rcr, SUFFIX), _T0_T1_cc)(void) |
486 | 367e86e8 | bellard | { |
487 | 367e86e8 | bellard | int count, res, eflags;
|
488 | 367e86e8 | bellard | unsigned int src; |
489 | 367e86e8 | bellard | |
490 | 367e86e8 | bellard | count = T1 & 0x1f;
|
491 | 367e86e8 | bellard | #if DATA_BITS == 16 |
492 | 367e86e8 | bellard | count = rclw_table[count]; |
493 | 367e86e8 | bellard | #elif DATA_BITS == 8 |
494 | 367e86e8 | bellard | count = rclb_table[count]; |
495 | 367e86e8 | bellard | #endif
|
496 | 367e86e8 | bellard | if (count) {
|
497 | 367e86e8 | bellard | eflags = cc_table[CC_OP].compute_all(); |
498 | 4b74fe1f | bellard | T0 &= DATA_MASK; |
499 | 367e86e8 | bellard | src = T0; |
500 | 367e86e8 | bellard | res = (T0 >> count) | ((eflags & CC_C) << (DATA_BITS - count)); |
501 | 367e86e8 | bellard | if (count > 1) |
502 | 367e86e8 | bellard | res |= T0 << (DATA_BITS + 1 - count);
|
503 | 367e86e8 | bellard | T0 = res; |
504 | 367e86e8 | bellard | CC_SRC = (eflags & ~(CC_C | CC_O)) | |
505 | 367e86e8 | bellard | (lshift(src ^ T0, 11 - (DATA_BITS - 1)) & CC_O) | |
506 | 367e86e8 | bellard | ((src >> (count - 1)) & CC_C);
|
507 | 367e86e8 | bellard | CC_OP = CC_OP_EFLAGS; |
508 | 367e86e8 | bellard | } |
509 | 4b74fe1f | bellard | FORCE_RET(); |
510 | 367e86e8 | bellard | } |
511 | 367e86e8 | bellard | |
512 | 367e86e8 | bellard | void OPPROTO glue(glue(op_shl, SUFFIX), _T0_T1_cc)(void) |
513 | 367e86e8 | bellard | { |
514 | 367e86e8 | bellard | int count;
|
515 | 367e86e8 | bellard | count = T1 & 0x1f;
|
516 | d57c4e01 | bellard | if (count) {
|
517 | d57c4e01 | bellard | CC_SRC = (DATA_TYPE)T0 << (count - 1);
|
518 | 367e86e8 | bellard | T0 = T0 << count; |
519 | 367e86e8 | bellard | CC_DST = T0; |
520 | 367e86e8 | bellard | CC_OP = CC_OP_SHLB + SHIFT; |
521 | 367e86e8 | bellard | } |
522 | 4b74fe1f | bellard | FORCE_RET(); |
523 | 367e86e8 | bellard | } |
524 | 367e86e8 | bellard | |
525 | dc99065b | bellard | void OPPROTO glue(glue(op_shl, SUFFIX), _T0_T1)(void) |
526 | dc99065b | bellard | { |
527 | dc99065b | bellard | int count;
|
528 | dc99065b | bellard | count = T1 & 0x1f;
|
529 | dc99065b | bellard | T0 = T0 << count; |
530 | dc99065b | bellard | FORCE_RET(); |
531 | dc99065b | bellard | } |
532 | dc99065b | bellard | |
533 | 367e86e8 | bellard | void OPPROTO glue(glue(op_shr, SUFFIX), _T0_T1_cc)(void) |
534 | 367e86e8 | bellard | { |
535 | 367e86e8 | bellard | int count;
|
536 | 367e86e8 | bellard | count = T1 & 0x1f;
|
537 | 367e86e8 | bellard | if (count) {
|
538 | 367e86e8 | bellard | T0 &= DATA_MASK; |
539 | 367e86e8 | bellard | CC_SRC = T0 >> (count - 1);
|
540 | 367e86e8 | bellard | T0 = T0 >> count; |
541 | 367e86e8 | bellard | CC_DST = T0; |
542 | d57c4e01 | bellard | CC_OP = CC_OP_SARB + SHIFT; |
543 | 367e86e8 | bellard | } |
544 | 4b74fe1f | bellard | FORCE_RET(); |
545 | 367e86e8 | bellard | } |
546 | 367e86e8 | bellard | |
547 | dc99065b | bellard | void OPPROTO glue(glue(op_shr, SUFFIX), _T0_T1)(void) |
548 | dc99065b | bellard | { |
549 | dc99065b | bellard | int count;
|
550 | dc99065b | bellard | count = T1 & 0x1f;
|
551 | dc99065b | bellard | T0 &= DATA_MASK; |
552 | dc99065b | bellard | T0 = T0 >> count; |
553 | dc99065b | bellard | FORCE_RET(); |
554 | dc99065b | bellard | } |
555 | dc99065b | bellard | |
556 | 367e86e8 | bellard | void OPPROTO glue(glue(op_sar, SUFFIX), _T0_T1_cc)(void) |
557 | 367e86e8 | bellard | { |
558 | 367e86e8 | bellard | int count, src;
|
559 | 367e86e8 | bellard | count = T1 & 0x1f;
|
560 | 367e86e8 | bellard | if (count) {
|
561 | 367e86e8 | bellard | src = (DATA_STYPE)T0; |
562 | d57c4e01 | bellard | CC_SRC = src >> (count - 1);
|
563 | 367e86e8 | bellard | T0 = src >> count; |
564 | 367e86e8 | bellard | CC_DST = T0; |
565 | 4b74fe1f | bellard | CC_OP = CC_OP_SARB + SHIFT; |
566 | 367e86e8 | bellard | } |
567 | 4b74fe1f | bellard | FORCE_RET(); |
568 | 367e86e8 | bellard | } |
569 | 367e86e8 | bellard | |
570 | dc99065b | bellard | void OPPROTO glue(glue(op_sar, SUFFIX), _T0_T1)(void) |
571 | dc99065b | bellard | { |
572 | dc99065b | bellard | int count, src;
|
573 | dc99065b | bellard | count = T1 & 0x1f;
|
574 | dc99065b | bellard | src = (DATA_STYPE)T0; |
575 | dc99065b | bellard | T0 = src >> count; |
576 | dc99065b | bellard | FORCE_RET(); |
577 | dc99065b | bellard | } |
578 | dc99065b | bellard | |
579 | d57c4e01 | bellard | #if DATA_BITS == 16 |
580 | d57c4e01 | bellard | /* XXX: overflow flag might be incorrect in some cases in shldw */
|
581 | d57c4e01 | bellard | void OPPROTO glue(glue(op_shld, SUFFIX), _T0_T1_im_cc)(void) |
582 | d57c4e01 | bellard | { |
583 | d57c4e01 | bellard | int count;
|
584 | d57c4e01 | bellard | unsigned int res; |
585 | d57c4e01 | bellard | count = PARAM1; |
586 | d57c4e01 | bellard | T1 &= 0xffff;
|
587 | d57c4e01 | bellard | res = T1 | (T0 << 16);
|
588 | d57c4e01 | bellard | CC_SRC = res >> (32 - count);
|
589 | d57c4e01 | bellard | res <<= count; |
590 | d57c4e01 | bellard | if (count > 16) |
591 | d57c4e01 | bellard | res |= T1 << (count - 16);
|
592 | d57c4e01 | bellard | T0 = res >> 16;
|
593 | d57c4e01 | bellard | CC_DST = T0; |
594 | d57c4e01 | bellard | } |
595 | d57c4e01 | bellard | |
596 | d57c4e01 | bellard | void OPPROTO glue(glue(op_shld, SUFFIX), _T0_T1_ECX_cc)(void) |
597 | d57c4e01 | bellard | { |
598 | d57c4e01 | bellard | int count;
|
599 | d57c4e01 | bellard | unsigned int res; |
600 | d57c4e01 | bellard | count = ECX & 0x1f;
|
601 | d57c4e01 | bellard | if (count) {
|
602 | d57c4e01 | bellard | T1 &= 0xffff;
|
603 | d57c4e01 | bellard | res = T1 | (T0 << 16);
|
604 | d57c4e01 | bellard | CC_SRC = res >> (32 - count);
|
605 | d57c4e01 | bellard | res <<= count; |
606 | d57c4e01 | bellard | if (count > 16) |
607 | d57c4e01 | bellard | res |= T1 << (count - 16);
|
608 | d57c4e01 | bellard | T0 = res >> 16;
|
609 | d57c4e01 | bellard | CC_DST = T0; |
610 | d57c4e01 | bellard | CC_OP = CC_OP_SARB + SHIFT; |
611 | d57c4e01 | bellard | } |
612 | 7fe70ecc | bellard | FORCE_RET(); |
613 | d57c4e01 | bellard | } |
614 | d57c4e01 | bellard | |
615 | d57c4e01 | bellard | void OPPROTO glue(glue(op_shrd, SUFFIX), _T0_T1_im_cc)(void) |
616 | d57c4e01 | bellard | { |
617 | d57c4e01 | bellard | int count;
|
618 | d57c4e01 | bellard | unsigned int res; |
619 | d57c4e01 | bellard | |
620 | d57c4e01 | bellard | count = PARAM1; |
621 | d57c4e01 | bellard | res = (T0 & 0xffff) | (T1 << 16); |
622 | d57c4e01 | bellard | CC_SRC = res >> (count - 1);
|
623 | d57c4e01 | bellard | res >>= count; |
624 | d57c4e01 | bellard | if (count > 16) |
625 | d57c4e01 | bellard | res |= T1 << (32 - count);
|
626 | d57c4e01 | bellard | T0 = res; |
627 | d57c4e01 | bellard | CC_DST = T0; |
628 | d57c4e01 | bellard | } |
629 | d57c4e01 | bellard | |
630 | d57c4e01 | bellard | |
631 | d57c4e01 | bellard | void OPPROTO glue(glue(op_shrd, SUFFIX), _T0_T1_ECX_cc)(void) |
632 | d57c4e01 | bellard | { |
633 | d57c4e01 | bellard | int count;
|
634 | d57c4e01 | bellard | unsigned int res; |
635 | d57c4e01 | bellard | |
636 | d57c4e01 | bellard | count = ECX & 0x1f;
|
637 | d57c4e01 | bellard | if (count) {
|
638 | d57c4e01 | bellard | res = (T0 & 0xffff) | (T1 << 16); |
639 | d57c4e01 | bellard | CC_SRC = res >> (count - 1);
|
640 | d57c4e01 | bellard | res >>= count; |
641 | d57c4e01 | bellard | if (count > 16) |
642 | d57c4e01 | bellard | res |= T1 << (32 - count);
|
643 | d57c4e01 | bellard | T0 = res; |
644 | d57c4e01 | bellard | CC_DST = T0; |
645 | d57c4e01 | bellard | CC_OP = CC_OP_SARB + SHIFT; |
646 | d57c4e01 | bellard | } |
647 | 7fe70ecc | bellard | FORCE_RET(); |
648 | d57c4e01 | bellard | } |
649 | d57c4e01 | bellard | #endif
|
650 | d57c4e01 | bellard | |
651 | d57c4e01 | bellard | #if DATA_BITS == 32 |
652 | d57c4e01 | bellard | void OPPROTO glue(glue(op_shld, SUFFIX), _T0_T1_im_cc)(void) |
653 | d57c4e01 | bellard | { |
654 | d57c4e01 | bellard | int count;
|
655 | d57c4e01 | bellard | count = PARAM1; |
656 | d57c4e01 | bellard | T0 &= DATA_MASK; |
657 | d57c4e01 | bellard | T1 &= DATA_MASK; |
658 | d57c4e01 | bellard | CC_SRC = T0 << (count - 1);
|
659 | d57c4e01 | bellard | T0 = (T0 << count) | (T1 >> (DATA_BITS - count)); |
660 | d57c4e01 | bellard | CC_DST = T0; |
661 | d57c4e01 | bellard | } |
662 | d57c4e01 | bellard | |
663 | d57c4e01 | bellard | void OPPROTO glue(glue(op_shld, SUFFIX), _T0_T1_ECX_cc)(void) |
664 | d57c4e01 | bellard | { |
665 | d57c4e01 | bellard | int count;
|
666 | d57c4e01 | bellard | count = ECX & 0x1f;
|
667 | d57c4e01 | bellard | if (count) {
|
668 | d57c4e01 | bellard | T0 &= DATA_MASK; |
669 | d57c4e01 | bellard | T1 &= DATA_MASK; |
670 | d57c4e01 | bellard | CC_SRC = T0 << (count - 1);
|
671 | d57c4e01 | bellard | T0 = (T0 << count) | (T1 >> (DATA_BITS - count)); |
672 | d57c4e01 | bellard | CC_DST = T0; |
673 | d57c4e01 | bellard | CC_OP = CC_OP_SHLB + SHIFT; |
674 | d57c4e01 | bellard | } |
675 | 7fe70ecc | bellard | FORCE_RET(); |
676 | d57c4e01 | bellard | } |
677 | d57c4e01 | bellard | |
678 | d57c4e01 | bellard | void OPPROTO glue(glue(op_shrd, SUFFIX), _T0_T1_im_cc)(void) |
679 | d57c4e01 | bellard | { |
680 | d57c4e01 | bellard | int count;
|
681 | d57c4e01 | bellard | count = PARAM1; |
682 | d57c4e01 | bellard | T0 &= DATA_MASK; |
683 | d57c4e01 | bellard | T1 &= DATA_MASK; |
684 | d57c4e01 | bellard | CC_SRC = T0 >> (count - 1);
|
685 | d57c4e01 | bellard | T0 = (T0 >> count) | (T1 << (DATA_BITS - count)); |
686 | d57c4e01 | bellard | CC_DST = T0; |
687 | d57c4e01 | bellard | } |
688 | d57c4e01 | bellard | |
689 | d57c4e01 | bellard | |
690 | d57c4e01 | bellard | void OPPROTO glue(glue(op_shrd, SUFFIX), _T0_T1_ECX_cc)(void) |
691 | d57c4e01 | bellard | { |
692 | d57c4e01 | bellard | int count;
|
693 | d57c4e01 | bellard | count = ECX & 0x1f;
|
694 | d57c4e01 | bellard | if (count) {
|
695 | d57c4e01 | bellard | T0 &= DATA_MASK; |
696 | d57c4e01 | bellard | T1 &= DATA_MASK; |
697 | d57c4e01 | bellard | CC_SRC = T0 >> (count - 1);
|
698 | d57c4e01 | bellard | T0 = (T0 >> count) | (T1 << (DATA_BITS - count)); |
699 | d57c4e01 | bellard | CC_DST = T0; |
700 | d57c4e01 | bellard | CC_OP = CC_OP_SARB + SHIFT; |
701 | d57c4e01 | bellard | } |
702 | 7fe70ecc | bellard | FORCE_RET(); |
703 | d57c4e01 | bellard | } |
704 | d57c4e01 | bellard | #endif
|
705 | d57c4e01 | bellard | |
706 | 4b74fe1f | bellard | /* carry add/sub (we only need to set CC_OP differently) */
|
707 | 4b74fe1f | bellard | |
708 | 4b74fe1f | bellard | void OPPROTO glue(glue(op_adc, SUFFIX), _T0_T1_cc)(void) |
709 | 4b74fe1f | bellard | { |
710 | 4b74fe1f | bellard | int cf;
|
711 | 4b74fe1f | bellard | cf = cc_table[CC_OP].compute_c(); |
712 | 4b74fe1f | bellard | CC_SRC = T0; |
713 | 4b74fe1f | bellard | T0 = T0 + T1 + cf; |
714 | 4b74fe1f | bellard | CC_DST = T0; |
715 | 4b74fe1f | bellard | CC_OP = CC_OP_ADDB + SHIFT + cf * 3;
|
716 | 4b74fe1f | bellard | } |
717 | 4b74fe1f | bellard | |
718 | 4b74fe1f | bellard | void OPPROTO glue(glue(op_sbb, SUFFIX), _T0_T1_cc)(void) |
719 | 4b74fe1f | bellard | { |
720 | 4b74fe1f | bellard | int cf;
|
721 | 4b74fe1f | bellard | cf = cc_table[CC_OP].compute_c(); |
722 | 4b74fe1f | bellard | CC_SRC = T0; |
723 | 4b74fe1f | bellard | T0 = T0 - T1 - cf; |
724 | 4b74fe1f | bellard | CC_DST = T0; |
725 | 4b74fe1f | bellard | CC_OP = CC_OP_SUBB + SHIFT + cf * 3;
|
726 | 4b74fe1f | bellard | } |
727 | 4b74fe1f | bellard | |
728 | 1a9353d2 | bellard | void OPPROTO glue(glue(op_cmpxchg, SUFFIX), _T0_T1_EAX_cc)(void) |
729 | 1a9353d2 | bellard | { |
730 | 1a9353d2 | bellard | CC_SRC = EAX; |
731 | 1a9353d2 | bellard | CC_DST = EAX - T0; |
732 | 1a9353d2 | bellard | if ((DATA_TYPE)CC_DST == 0) { |
733 | 1a9353d2 | bellard | T0 = T1; |
734 | 1a9353d2 | bellard | } else {
|
735 | 1a9353d2 | bellard | EAX = (EAX & ~DATA_MASK) | (T0 & DATA_MASK); |
736 | 1a9353d2 | bellard | } |
737 | 1a9353d2 | bellard | FORCE_RET(); |
738 | 1a9353d2 | bellard | } |
739 | 1a9353d2 | bellard | |
740 | 4b74fe1f | bellard | /* bit operations */
|
741 | 4b74fe1f | bellard | #if DATA_BITS >= 16 |
742 | 4b74fe1f | bellard | |
743 | 4b74fe1f | bellard | void OPPROTO glue(glue(op_bt, SUFFIX), _T0_T1_cc)(void) |
744 | 4b74fe1f | bellard | { |
745 | 4b74fe1f | bellard | int count;
|
746 | 4b74fe1f | bellard | count = T1 & SHIFT_MASK; |
747 | 4b74fe1f | bellard | CC_SRC = T0 >> count; |
748 | 4b74fe1f | bellard | } |
749 | 4b74fe1f | bellard | |
750 | 4b74fe1f | bellard | void OPPROTO glue(glue(op_bts, SUFFIX), _T0_T1_cc)(void) |
751 | 4b74fe1f | bellard | { |
752 | 4b74fe1f | bellard | int count;
|
753 | 4b74fe1f | bellard | count = T1 & SHIFT_MASK; |
754 | 4b74fe1f | bellard | CC_SRC = T0 >> count; |
755 | 4b74fe1f | bellard | T0 |= (1 << count);
|
756 | 4b74fe1f | bellard | } |
757 | 4b74fe1f | bellard | |
758 | 4b74fe1f | bellard | void OPPROTO glue(glue(op_btr, SUFFIX), _T0_T1_cc)(void) |
759 | 4b74fe1f | bellard | { |
760 | 4b74fe1f | bellard | int count;
|
761 | 4b74fe1f | bellard | count = T1 & SHIFT_MASK; |
762 | 4b74fe1f | bellard | CC_SRC = T0 >> count; |
763 | 4b74fe1f | bellard | T0 &= ~(1 << count);
|
764 | 4b74fe1f | bellard | } |
765 | 4b74fe1f | bellard | |
766 | 4b74fe1f | bellard | void OPPROTO glue(glue(op_btc, SUFFIX), _T0_T1_cc)(void) |
767 | 4b74fe1f | bellard | { |
768 | 4b74fe1f | bellard | int count;
|
769 | 4b74fe1f | bellard | count = T1 & SHIFT_MASK; |
770 | 4b74fe1f | bellard | CC_SRC = T0 >> count; |
771 | 4b74fe1f | bellard | T0 ^= (1 << count);
|
772 | 4b74fe1f | bellard | } |
773 | 4b74fe1f | bellard | |
774 | 77f8dd5a | bellard | void OPPROTO glue(glue(op_bsf, SUFFIX), _T0_cc)(void) |
775 | 77f8dd5a | bellard | { |
776 | 77f8dd5a | bellard | int res, count;
|
777 | 77f8dd5a | bellard | res = T0 & DATA_MASK; |
778 | 77f8dd5a | bellard | if (res != 0) { |
779 | 77f8dd5a | bellard | count = 0;
|
780 | 77f8dd5a | bellard | while ((res & 1) == 0) { |
781 | 77f8dd5a | bellard | count++; |
782 | 77f8dd5a | bellard | res >>= 1;
|
783 | 77f8dd5a | bellard | } |
784 | 77f8dd5a | bellard | T0 = count; |
785 | 77f8dd5a | bellard | CC_DST = 1; /* ZF = 1 */ |
786 | 77f8dd5a | bellard | } else {
|
787 | 77f8dd5a | bellard | CC_DST = 0; /* ZF = 1 */ |
788 | 77f8dd5a | bellard | } |
789 | 77f8dd5a | bellard | FORCE_RET(); |
790 | 77f8dd5a | bellard | } |
791 | 77f8dd5a | bellard | |
792 | 77f8dd5a | bellard | void OPPROTO glue(glue(op_bsr, SUFFIX), _T0_cc)(void) |
793 | 77f8dd5a | bellard | { |
794 | 77f8dd5a | bellard | int res, count;
|
795 | 77f8dd5a | bellard | res = T0 & DATA_MASK; |
796 | 77f8dd5a | bellard | if (res != 0) { |
797 | 77f8dd5a | bellard | count = DATA_BITS - 1;
|
798 | 77f8dd5a | bellard | while ((res & SIGN_MASK) == 0) { |
799 | 77f8dd5a | bellard | count--; |
800 | 77f8dd5a | bellard | res <<= 1;
|
801 | 77f8dd5a | bellard | } |
802 | 77f8dd5a | bellard | T0 = count; |
803 | 77f8dd5a | bellard | CC_DST = 1; /* ZF = 1 */ |
804 | 77f8dd5a | bellard | } else {
|
805 | 77f8dd5a | bellard | CC_DST = 0; /* ZF = 1 */ |
806 | 77f8dd5a | bellard | } |
807 | 77f8dd5a | bellard | FORCE_RET(); |
808 | 77f8dd5a | bellard | } |
809 | 77f8dd5a | bellard | |
810 | 4b74fe1f | bellard | #endif
|
811 | 4b74fe1f | bellard | |
812 | 367e86e8 | bellard | /* string operations */
|
813 | 24f9e90b | bellard | /* XXX: maybe use lower level instructions to ease 16 bit / segment handling */
|
814 | 24f9e90b | bellard | |
815 | 24f9e90b | bellard | #define STRING_SUFFIX _fast
|
816 | 24f9e90b | bellard | #define SI_ADDR (void *)ESI |
817 | 24f9e90b | bellard | #define DI_ADDR (void *)EDI |
818 | 24f9e90b | bellard | #define INC_SI() ESI += inc
|
819 | 24f9e90b | bellard | #define INC_DI() EDI += inc
|
820 | 24f9e90b | bellard | #define CX ECX
|
821 | 24f9e90b | bellard | #define DEC_CX() ECX--
|
822 | 24f9e90b | bellard | #include "op_string.h" |
823 | 24f9e90b | bellard | |
824 | 24f9e90b | bellard | #define STRING_SUFFIX _a32
|
825 | 24f9e90b | bellard | #define SI_ADDR (uint8_t *)A0 + ESI
|
826 | 24f9e90b | bellard | #define DI_ADDR env->seg_cache[R_ES].base + EDI
|
827 | 24f9e90b | bellard | #define INC_SI() ESI += inc
|
828 | 24f9e90b | bellard | #define INC_DI() EDI += inc
|
829 | 24f9e90b | bellard | #define CX ECX
|
830 | 24f9e90b | bellard | #define DEC_CX() ECX--
|
831 | 24f9e90b | bellard | #include "op_string.h" |
832 | 24f9e90b | bellard | |
833 | 24f9e90b | bellard | #define STRING_SUFFIX _a16
|
834 | 24f9e90b | bellard | #define SI_ADDR (uint8_t *)A0 + (ESI & 0xffff) |
835 | 24f9e90b | bellard | #define DI_ADDR env->seg_cache[R_ES].base + (EDI & 0xffff) |
836 | 24f9e90b | bellard | #define INC_SI() ESI = (ESI & ~0xffff) | ((ESI + inc) & 0xffff) |
837 | 24f9e90b | bellard | #define INC_DI() EDI = (EDI & ~0xffff) | ((EDI + inc) & 0xffff) |
838 | 24f9e90b | bellard | #define CX (ECX & 0xffff) |
839 | 24f9e90b | bellard | #define DEC_CX() ECX = (ECX & ~0xffff) | ((ECX - 1) & 0xffff) |
840 | 24f9e90b | bellard | #include "op_string.h" |
841 | 367e86e8 | bellard | |
842 | ba1c6e37 | bellard | /* port I/O */
|
843 | ba1c6e37 | bellard | |
844 | ba1c6e37 | bellard | void OPPROTO glue(glue(op_out, SUFFIX), _T0_T1)(void) |
845 | ba1c6e37 | bellard | { |
846 | bf7c65bd | bellard | glue(cpu_x86_out, SUFFIX)(env, T0 & 0xffff, T1 & DATA_MASK);
|
847 | ba1c6e37 | bellard | } |
848 | ba1c6e37 | bellard | |
849 | ba1c6e37 | bellard | void OPPROTO glue(glue(op_in, SUFFIX), _T0_T1)(void) |
850 | ba1c6e37 | bellard | { |
851 | bf7c65bd | bellard | T1 = glue(cpu_x86_in, SUFFIX)(env, T0 & 0xffff);
|
852 | ba1c6e37 | bellard | } |
853 | ba1c6e37 | bellard | |
854 | 367e86e8 | bellard | #undef DATA_BITS
|
855 | 367e86e8 | bellard | #undef SHIFT_MASK
|
856 | 367e86e8 | bellard | #undef SIGN_MASK
|
857 | 367e86e8 | bellard | #undef DATA_TYPE
|
858 | 367e86e8 | bellard | #undef DATA_STYPE
|
859 | 367e86e8 | bellard | #undef DATA_MASK
|
860 | 367e86e8 | bellard | #undef SUFFIX |