root / target-alpha / op_helper.c @ 70cf0b63
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1 | 4c9649a9 | j_mayer | /*
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2 | 4c9649a9 | j_mayer | * Alpha emulation cpu micro-operations helpers for qemu.
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3 | 4c9649a9 | j_mayer | *
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4 | 4c9649a9 | j_mayer | * Copyright (c) 2007 Jocelyn Mayer
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5 | 4c9649a9 | j_mayer | *
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6 | 4c9649a9 | j_mayer | * This library is free software; you can redistribute it and/or
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7 | 4c9649a9 | j_mayer | * modify it under the terms of the GNU Lesser General Public
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8 | 4c9649a9 | j_mayer | * License as published by the Free Software Foundation; either
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9 | 4c9649a9 | j_mayer | * version 2 of the License, or (at your option) any later version.
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10 | 4c9649a9 | j_mayer | *
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11 | 4c9649a9 | j_mayer | * This library is distributed in the hope that it will be useful,
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12 | 4c9649a9 | j_mayer | * but WITHOUT ANY WARRANTY; without even the implied warranty of
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13 | 4c9649a9 | j_mayer | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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14 | 4c9649a9 | j_mayer | * Lesser General Public License for more details.
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15 | 4c9649a9 | j_mayer | *
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16 | 4c9649a9 | j_mayer | * You should have received a copy of the GNU Lesser General Public
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17 | 4c9649a9 | j_mayer | * License along with this library; if not, write to the Free Software
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18 | 4c9649a9 | j_mayer | * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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19 | 4c9649a9 | j_mayer | */
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20 | 4c9649a9 | j_mayer | |
21 | 4c9649a9 | j_mayer | #include "exec.h" |
22 | 4c9649a9 | j_mayer | #include "softfloat.h" |
23 | 4c9649a9 | j_mayer | |
24 | 4c9649a9 | j_mayer | #include "op_helper.h" |
25 | 4c9649a9 | j_mayer | |
26 | 4c9649a9 | j_mayer | #define MEMSUFFIX _raw
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27 | 4c9649a9 | j_mayer | #include "op_helper_mem.h" |
28 | 4c9649a9 | j_mayer | |
29 | 4c9649a9 | j_mayer | #if !defined(CONFIG_USER_ONLY)
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30 | 4c9649a9 | j_mayer | #define MEMSUFFIX _user
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31 | 4c9649a9 | j_mayer | #include "op_helper_mem.h" |
32 | 4c9649a9 | j_mayer | |
33 | 4c9649a9 | j_mayer | #define MEMSUFFIX _kernel
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34 | 4c9649a9 | j_mayer | #include "op_helper_mem.h" |
35 | 4c9649a9 | j_mayer | |
36 | 4c9649a9 | j_mayer | /* Those are used for supervisor and executive modes */
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37 | 4c9649a9 | j_mayer | #define MEMSUFFIX _data
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38 | 4c9649a9 | j_mayer | #include "op_helper_mem.h" |
39 | 4c9649a9 | j_mayer | #endif
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40 | 4c9649a9 | j_mayer | |
41 | 4c9649a9 | j_mayer | void helper_tb_flush (void) |
42 | 4c9649a9 | j_mayer | { |
43 | 4c9649a9 | j_mayer | tlb_flush(env, 1);
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44 | 4c9649a9 | j_mayer | } |
45 | 4c9649a9 | j_mayer | |
46 | 4c9649a9 | j_mayer | void cpu_dump_EA (target_ulong EA);
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47 | 4c9649a9 | j_mayer | void helper_print_mem_EA (target_ulong EA)
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48 | 4c9649a9 | j_mayer | { |
49 | 4c9649a9 | j_mayer | cpu_dump_EA(EA); |
50 | 4c9649a9 | j_mayer | } |
51 | 4c9649a9 | j_mayer | |
52 | 4c9649a9 | j_mayer | /*****************************************************************************/
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53 | 4c9649a9 | j_mayer | /* Exceptions processing helpers */
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54 | 4c9649a9 | j_mayer | void helper_excp (uint32_t excp, uint32_t error)
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55 | 4c9649a9 | j_mayer | { |
56 | 4c9649a9 | j_mayer | env->exception_index = excp; |
57 | 4c9649a9 | j_mayer | env->error_code = error; |
58 | 4c9649a9 | j_mayer | cpu_loop_exit(); |
59 | 4c9649a9 | j_mayer | } |
60 | 4c9649a9 | j_mayer | |
61 | 4c9649a9 | j_mayer | void helper_amask (void) |
62 | 4c9649a9 | j_mayer | { |
63 | 4c9649a9 | j_mayer | switch (env->implver) {
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64 | 4c9649a9 | j_mayer | case IMPLVER_2106x:
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65 | 4c9649a9 | j_mayer | /* EV4, EV45, LCA, LCA45 & EV5 */
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66 | 4c9649a9 | j_mayer | break;
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67 | 4c9649a9 | j_mayer | case IMPLVER_21164:
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68 | 4c9649a9 | j_mayer | case IMPLVER_21264:
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69 | 4c9649a9 | j_mayer | case IMPLVER_21364:
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70 | 4c9649a9 | j_mayer | T0 &= ~env->amask; |
71 | 4c9649a9 | j_mayer | break;
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72 | 4c9649a9 | j_mayer | } |
73 | 4c9649a9 | j_mayer | } |
74 | 4c9649a9 | j_mayer | |
75 | 4c9649a9 | j_mayer | void helper_load_pcc (void) |
76 | 4c9649a9 | j_mayer | { |
77 | 4c9649a9 | j_mayer | /* XXX: TODO */
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78 | 4c9649a9 | j_mayer | T0 = 0;
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79 | 4c9649a9 | j_mayer | } |
80 | 4c9649a9 | j_mayer | |
81 | 4c9649a9 | j_mayer | void helper_load_implver (void) |
82 | 4c9649a9 | j_mayer | { |
83 | 4c9649a9 | j_mayer | T0 = env->implver; |
84 | 4c9649a9 | j_mayer | } |
85 | 4c9649a9 | j_mayer | |
86 | 4c9649a9 | j_mayer | void helper_load_fpcr (void) |
87 | 4c9649a9 | j_mayer | { |
88 | 4c9649a9 | j_mayer | T0 = 0;
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89 | 4c9649a9 | j_mayer | #ifdef CONFIG_SOFTFLOAT
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90 | 4c9649a9 | j_mayer | T0 |= env->fp_status.float_exception_flags << 52;
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91 | 4c9649a9 | j_mayer | if (env->fp_status.float_exception_flags)
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92 | 4c9649a9 | j_mayer | T0 |= 1ULL << 63; |
93 | 4c9649a9 | j_mayer | env->ipr[IPR_EXC_SUM] &= ~0x3E:
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94 | 4c9649a9 | j_mayer | env->ipr[IPR_EXC_SUM] |= env->fp_status.float_exception_flags << 1;
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95 | 4c9649a9 | j_mayer | #endif
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96 | 4c9649a9 | j_mayer | switch (env->fp_status.float_rounding_mode) {
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97 | 4c9649a9 | j_mayer | case float_round_nearest_even:
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98 | 4c9649a9 | j_mayer | T0 |= 2ULL << 58; |
99 | 4c9649a9 | j_mayer | break;
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100 | 4c9649a9 | j_mayer | case float_round_down:
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101 | 4c9649a9 | j_mayer | T0 |= 1ULL << 58; |
102 | 4c9649a9 | j_mayer | break;
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103 | 4c9649a9 | j_mayer | case float_round_up:
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104 | 4c9649a9 | j_mayer | T0 |= 3ULL << 58; |
105 | 4c9649a9 | j_mayer | break;
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106 | 4c9649a9 | j_mayer | case float_round_to_zero:
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107 | 4c9649a9 | j_mayer | break;
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108 | 4c9649a9 | j_mayer | } |
109 | 4c9649a9 | j_mayer | } |
110 | 4c9649a9 | j_mayer | |
111 | 4c9649a9 | j_mayer | void helper_store_fpcr (void) |
112 | 4c9649a9 | j_mayer | { |
113 | 4c9649a9 | j_mayer | #ifdef CONFIG_SOFTFLOAT
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114 | 4c9649a9 | j_mayer | set_float_exception_flags((T0 >> 52) & 0x3F, &FP_STATUS); |
115 | 4c9649a9 | j_mayer | #endif
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116 | 4c9649a9 | j_mayer | switch ((T0 >> 58) & 3) { |
117 | 4c9649a9 | j_mayer | case 0: |
118 | 4c9649a9 | j_mayer | set_float_rounding_mode(float_round_to_zero, &FP_STATUS); |
119 | 4c9649a9 | j_mayer | break;
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120 | 4c9649a9 | j_mayer | case 1: |
121 | 4c9649a9 | j_mayer | set_float_rounding_mode(float_round_down, &FP_STATUS); |
122 | 4c9649a9 | j_mayer | break;
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123 | 4c9649a9 | j_mayer | case 2: |
124 | 4c9649a9 | j_mayer | set_float_rounding_mode(float_round_nearest_even, &FP_STATUS); |
125 | 4c9649a9 | j_mayer | break;
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126 | 4c9649a9 | j_mayer | case 3: |
127 | 4c9649a9 | j_mayer | set_float_rounding_mode(float_round_up, &FP_STATUS); |
128 | 4c9649a9 | j_mayer | break;
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129 | 4c9649a9 | j_mayer | } |
130 | 4c9649a9 | j_mayer | } |
131 | 4c9649a9 | j_mayer | |
132 | 4c9649a9 | j_mayer | void helper_load_irf (void) |
133 | 4c9649a9 | j_mayer | { |
134 | 4c9649a9 | j_mayer | /* XXX: TODO */
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135 | 4c9649a9 | j_mayer | T0 = 0;
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136 | 4c9649a9 | j_mayer | } |
137 | 4c9649a9 | j_mayer | |
138 | 4c9649a9 | j_mayer | void helper_set_irf (void) |
139 | 4c9649a9 | j_mayer | { |
140 | 4c9649a9 | j_mayer | /* XXX: TODO */
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141 | 4c9649a9 | j_mayer | } |
142 | 4c9649a9 | j_mayer | |
143 | 4c9649a9 | j_mayer | void helper_clear_irf (void) |
144 | 4c9649a9 | j_mayer | { |
145 | 4c9649a9 | j_mayer | /* XXX: TODO */
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146 | 4c9649a9 | j_mayer | } |
147 | 4c9649a9 | j_mayer | |
148 | 4c9649a9 | j_mayer | void helper_addqv (void) |
149 | 4c9649a9 | j_mayer | { |
150 | 4c9649a9 | j_mayer | T2 = T0; |
151 | 4c9649a9 | j_mayer | T0 += T1; |
152 | 4c9649a9 | j_mayer | if (unlikely((T2 ^ T1 ^ (-1ULL)) & (T2 ^ T0) & (1ULL << 63))) { |
153 | 4c9649a9 | j_mayer | helper_excp(EXCP_ARITH, EXCP_ARITH_OVERFLOW); |
154 | 4c9649a9 | j_mayer | } |
155 | 4c9649a9 | j_mayer | } |
156 | 4c9649a9 | j_mayer | |
157 | 4c9649a9 | j_mayer | void helper_addlv (void) |
158 | 4c9649a9 | j_mayer | { |
159 | 4c9649a9 | j_mayer | T2 = T0; |
160 | 4c9649a9 | j_mayer | T0 = (uint32_t)(T0 + T1); |
161 | 4c9649a9 | j_mayer | if (unlikely((T2 ^ T1 ^ (-1UL)) & (T2 ^ T0) & (1UL << 31))) { |
162 | 4c9649a9 | j_mayer | helper_excp(EXCP_ARITH, EXCP_ARITH_OVERFLOW); |
163 | 4c9649a9 | j_mayer | } |
164 | 4c9649a9 | j_mayer | } |
165 | 4c9649a9 | j_mayer | |
166 | 4c9649a9 | j_mayer | void helper_subqv (void) |
167 | 4c9649a9 | j_mayer | { |
168 | 4c9649a9 | j_mayer | T2 = T0; |
169 | 4c9649a9 | j_mayer | T0 -= T1; |
170 | 4c9649a9 | j_mayer | if (unlikely(((~T2) ^ T0 ^ (-1ULL)) & ((~T2) ^ T1) & (1ULL << 63))) { |
171 | 4c9649a9 | j_mayer | helper_excp(EXCP_ARITH, EXCP_ARITH_OVERFLOW); |
172 | 4c9649a9 | j_mayer | } |
173 | 4c9649a9 | j_mayer | } |
174 | 4c9649a9 | j_mayer | |
175 | 4c9649a9 | j_mayer | void helper_sublv (void) |
176 | 4c9649a9 | j_mayer | { |
177 | 4c9649a9 | j_mayer | T2 = T0; |
178 | 4c9649a9 | j_mayer | T0 = (uint32_t)(T0 - T1); |
179 | 4c9649a9 | j_mayer | if (unlikely(((~T2) ^ T0 ^ (-1UL)) & ((~T2) ^ T1) & (1UL << 31))) { |
180 | 4c9649a9 | j_mayer | helper_excp(EXCP_ARITH, EXCP_ARITH_OVERFLOW); |
181 | 4c9649a9 | j_mayer | } |
182 | 4c9649a9 | j_mayer | } |
183 | 4c9649a9 | j_mayer | |
184 | 4c9649a9 | j_mayer | void helper_mullv (void) |
185 | 4c9649a9 | j_mayer | { |
186 | 4c9649a9 | j_mayer | int64_t res = (int64_t)T0 * (int64_t)T1; |
187 | 4c9649a9 | j_mayer | |
188 | 4c9649a9 | j_mayer | if (unlikely((int32_t)res != res)) {
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189 | 4c9649a9 | j_mayer | helper_excp(EXCP_ARITH, EXCP_ARITH_OVERFLOW); |
190 | 4c9649a9 | j_mayer | } |
191 | 4c9649a9 | j_mayer | T0 = (int64_t)((int32_t)res); |
192 | 4c9649a9 | j_mayer | } |
193 | 4c9649a9 | j_mayer | |
194 | 4c9649a9 | j_mayer | void helper_mulqv ()
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195 | 4c9649a9 | j_mayer | { |
196 | 4c9649a9 | j_mayer | uint64_t res, tmp0, tmp1; |
197 | 4c9649a9 | j_mayer | |
198 | 4c9649a9 | j_mayer | res = (T0 >> 32) * (T1 >> 32); |
199 | 4c9649a9 | j_mayer | tmp0 = ((T0 & 0xFFFFFFFF) * (T1 >> 32)) + |
200 | 4c9649a9 | j_mayer | ((T0 >> 32) * (T1 & 0xFFFFFFFF)); |
201 | 4c9649a9 | j_mayer | tmp1 = (T0 & 0xFFFFFFFF) * (T1 & 0xFFFFFFFF); |
202 | 4c9649a9 | j_mayer | tmp0 += tmp1 >> 32;
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203 | 4c9649a9 | j_mayer | res += tmp0 >> 32;
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204 | 4c9649a9 | j_mayer | T0 *= T1; |
205 | 4c9649a9 | j_mayer | if (unlikely(res != 0)) { |
206 | 4c9649a9 | j_mayer | helper_excp(EXCP_ARITH, EXCP_ARITH_OVERFLOW); |
207 | 4c9649a9 | j_mayer | } |
208 | 4c9649a9 | j_mayer | } |
209 | 4c9649a9 | j_mayer | |
210 | 4c9649a9 | j_mayer | void helper_umulh (void) |
211 | 4c9649a9 | j_mayer | { |
212 | 4c9649a9 | j_mayer | uint64_t tmp0, tmp1; |
213 | 4c9649a9 | j_mayer | |
214 | 4c9649a9 | j_mayer | tmp0 = ((T0 & 0xFFFFFFFF) * (T1 >> 32)) + |
215 | 4c9649a9 | j_mayer | ((T0 >> 32) * (T1 & 0xFFFFFFFF)); |
216 | 4c9649a9 | j_mayer | tmp1 = (T0 & 0xFFFFFFFF) * (T1 & 0xFFFFFFFF); |
217 | 4c9649a9 | j_mayer | tmp0 += tmp1 >> 32;
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218 | 4c9649a9 | j_mayer | T0 = (T0 >> 32) * (T0 >> 32); |
219 | 4c9649a9 | j_mayer | T0 += tmp0 >> 32;
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220 | 4c9649a9 | j_mayer | } |
221 | 4c9649a9 | j_mayer | |
222 | 4c9649a9 | j_mayer | void helper_ctpop (void) |
223 | 4c9649a9 | j_mayer | { |
224 | 4c9649a9 | j_mayer | int n;
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225 | 4c9649a9 | j_mayer | |
226 | 4c9649a9 | j_mayer | for (n = 0; T0 != 0; n++) |
227 | 4c9649a9 | j_mayer | T0 = T0 ^ (T0 - 1);
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228 | 4c9649a9 | j_mayer | T0 = n; |
229 | 4c9649a9 | j_mayer | } |
230 | 4c9649a9 | j_mayer | |
231 | 4c9649a9 | j_mayer | void helper_ctlz (void) |
232 | 4c9649a9 | j_mayer | { |
233 | 4c9649a9 | j_mayer | uint32_t op32; |
234 | 4c9649a9 | j_mayer | int n;
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235 | 4c9649a9 | j_mayer | |
236 | 4c9649a9 | j_mayer | n = 0;
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237 | 4c9649a9 | j_mayer | if (!(T0 & 0xFFFFFFFF00000000ULL)) { |
238 | 4c9649a9 | j_mayer | n += 32;
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239 | 4c9649a9 | j_mayer | T0 <<= 32;
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240 | 4c9649a9 | j_mayer | } |
241 | 4c9649a9 | j_mayer | /* Make it easier for 32 bits hosts */
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242 | 4c9649a9 | j_mayer | op32 = T0 >> 32;
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243 | 4c9649a9 | j_mayer | if (!(op32 & 0xFFFF0000UL)) { |
244 | 4c9649a9 | j_mayer | n += 16;
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245 | 4c9649a9 | j_mayer | op32 <<= 16;
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246 | 4c9649a9 | j_mayer | } |
247 | 4c9649a9 | j_mayer | if (!(op32 & 0xFF000000UL)) { |
248 | 4c9649a9 | j_mayer | n += 8;
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249 | 4c9649a9 | j_mayer | op32 <<= 8;
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250 | 4c9649a9 | j_mayer | } |
251 | 4c9649a9 | j_mayer | if (!(op32 & 0xF0000000UL)) { |
252 | 4c9649a9 | j_mayer | n += 4;
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253 | 4c9649a9 | j_mayer | op32 <<= 4;
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254 | 4c9649a9 | j_mayer | } |
255 | 4c9649a9 | j_mayer | if (!(op32 & 0xC0000000UL)) { |
256 | 4c9649a9 | j_mayer | n += 2;
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257 | 4c9649a9 | j_mayer | op32 <<= 2;
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258 | 4c9649a9 | j_mayer | } |
259 | 4c9649a9 | j_mayer | if (!(op32 & 0x80000000UL)) { |
260 | 4c9649a9 | j_mayer | n++; |
261 | 4c9649a9 | j_mayer | op32 <<= 1;
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262 | 4c9649a9 | j_mayer | } |
263 | 4c9649a9 | j_mayer | if (!(op32 & 0x80000000UL)) { |
264 | 4c9649a9 | j_mayer | n++; |
265 | 4c9649a9 | j_mayer | } |
266 | 4c9649a9 | j_mayer | T0 = n; |
267 | 4c9649a9 | j_mayer | } |
268 | 4c9649a9 | j_mayer | |
269 | 4c9649a9 | j_mayer | void helper_cttz (void) |
270 | 4c9649a9 | j_mayer | { |
271 | 4c9649a9 | j_mayer | uint32_t op32; |
272 | 4c9649a9 | j_mayer | int n;
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273 | 4c9649a9 | j_mayer | |
274 | 4c9649a9 | j_mayer | n = 0;
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275 | 4c9649a9 | j_mayer | if (!(T0 & 0x00000000FFFFFFFFULL)) { |
276 | 4c9649a9 | j_mayer | n += 32;
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277 | 4c9649a9 | j_mayer | T0 >>= 32;
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278 | 4c9649a9 | j_mayer | } |
279 | 4c9649a9 | j_mayer | /* Make it easier for 32 bits hosts */
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280 | 4c9649a9 | j_mayer | op32 = T0; |
281 | 4c9649a9 | j_mayer | if (!(op32 & 0x0000FFFFUL)) { |
282 | 4c9649a9 | j_mayer | n += 16;
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283 | 4c9649a9 | j_mayer | op32 >>= 16;
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284 | 4c9649a9 | j_mayer | } |
285 | 4c9649a9 | j_mayer | if (!(op32 & 0x000000FFUL)) { |
286 | 4c9649a9 | j_mayer | n += 8;
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287 | 4c9649a9 | j_mayer | op32 >>= 8;
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288 | 4c9649a9 | j_mayer | } |
289 | 4c9649a9 | j_mayer | if (!(op32 & 0x0000000FUL)) { |
290 | 4c9649a9 | j_mayer | n += 4;
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291 | 4c9649a9 | j_mayer | op32 >>= 4;
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292 | 4c9649a9 | j_mayer | } |
293 | 4c9649a9 | j_mayer | if (!(op32 & 0x00000003UL)) { |
294 | 4c9649a9 | j_mayer | n += 2;
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295 | 4c9649a9 | j_mayer | op32 >>= 2;
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296 | 4c9649a9 | j_mayer | } |
297 | 4c9649a9 | j_mayer | if (!(op32 & 0x00000001UL)) { |
298 | 4c9649a9 | j_mayer | n++; |
299 | 4c9649a9 | j_mayer | op32 >>= 1;
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300 | 4c9649a9 | j_mayer | } |
301 | 4c9649a9 | j_mayer | if (!(op32 & 0x00000001UL)) { |
302 | 4c9649a9 | j_mayer | n++; |
303 | 4c9649a9 | j_mayer | } |
304 | 4c9649a9 | j_mayer | T0 = n; |
305 | 4c9649a9 | j_mayer | } |
306 | 4c9649a9 | j_mayer | |
307 | 4c9649a9 | j_mayer | static inline uint64_t byte_zap (uint64_t op, uint8_t mskb) |
308 | 4c9649a9 | j_mayer | { |
309 | 4c9649a9 | j_mayer | uint64_t mask; |
310 | 4c9649a9 | j_mayer | |
311 | 4c9649a9 | j_mayer | mask = 0;
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312 | 4c9649a9 | j_mayer | mask |= ((mskb >> 0) & 1) * 0x00000000000000FFULL; |
313 | 4c9649a9 | j_mayer | mask |= ((mskb >> 1) & 1) * 0x000000000000FF00ULL; |
314 | 4c9649a9 | j_mayer | mask |= ((mskb >> 2) & 1) * 0x0000000000FF0000ULL; |
315 | 4c9649a9 | j_mayer | mask |= ((mskb >> 3) & 1) * 0x00000000FF000000ULL; |
316 | 4c9649a9 | j_mayer | mask |= ((mskb >> 4) & 1) * 0x000000FF00000000ULL; |
317 | 4c9649a9 | j_mayer | mask |= ((mskb >> 5) & 1) * 0x0000FF0000000000ULL; |
318 | 4c9649a9 | j_mayer | mask |= ((mskb >> 6) & 1) * 0x00FF000000000000ULL; |
319 | 4c9649a9 | j_mayer | mask |= ((mskb >> 7) & 1) * 0xFF00000000000000ULL; |
320 | 4c9649a9 | j_mayer | |
321 | 4c9649a9 | j_mayer | return op & ~mask;
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322 | 4c9649a9 | j_mayer | } |
323 | 4c9649a9 | j_mayer | |
324 | 4c9649a9 | j_mayer | void helper_mskbl (void) |
325 | 4c9649a9 | j_mayer | { |
326 | 4c9649a9 | j_mayer | T0 = byte_zap(T0, 0x01 << (T1 & 7)); |
327 | 4c9649a9 | j_mayer | } |
328 | 4c9649a9 | j_mayer | |
329 | 4c9649a9 | j_mayer | void helper_extbl (void) |
330 | 4c9649a9 | j_mayer | { |
331 | 4c9649a9 | j_mayer | T0 >>= (T1 & 7) * 8; |
332 | 4c9649a9 | j_mayer | T0 = byte_zap(T0, 0xFE);
|
333 | 4c9649a9 | j_mayer | } |
334 | 4c9649a9 | j_mayer | |
335 | 4c9649a9 | j_mayer | void helper_insbl (void) |
336 | 4c9649a9 | j_mayer | { |
337 | 4c9649a9 | j_mayer | T0 <<= (T1 & 7) * 8; |
338 | 4c9649a9 | j_mayer | T0 = byte_zap(T0, ~(0x01 << (T1 & 7))); |
339 | 4c9649a9 | j_mayer | } |
340 | 4c9649a9 | j_mayer | |
341 | 4c9649a9 | j_mayer | void helper_mskwl (void) |
342 | 4c9649a9 | j_mayer | { |
343 | 4c9649a9 | j_mayer | T0 = byte_zap(T0, 0x03 << (T1 & 7)); |
344 | 4c9649a9 | j_mayer | } |
345 | 4c9649a9 | j_mayer | |
346 | 4c9649a9 | j_mayer | void helper_extwl (void) |
347 | 4c9649a9 | j_mayer | { |
348 | 4c9649a9 | j_mayer | T0 >>= (T1 & 7) * 8; |
349 | 4c9649a9 | j_mayer | T0 = byte_zap(T0, 0xFC);
|
350 | 4c9649a9 | j_mayer | } |
351 | 4c9649a9 | j_mayer | |
352 | 4c9649a9 | j_mayer | void helper_inswl (void) |
353 | 4c9649a9 | j_mayer | { |
354 | 4c9649a9 | j_mayer | T0 <<= (T1 & 7) * 8; |
355 | 4c9649a9 | j_mayer | T0 = byte_zap(T0, ~(0x03 << (T1 & 7))); |
356 | 4c9649a9 | j_mayer | } |
357 | 4c9649a9 | j_mayer | |
358 | 4c9649a9 | j_mayer | void helper_mskll (void) |
359 | 4c9649a9 | j_mayer | { |
360 | 4c9649a9 | j_mayer | T0 = byte_zap(T0, 0x0F << (T1 & 7)); |
361 | 4c9649a9 | j_mayer | } |
362 | 4c9649a9 | j_mayer | |
363 | 4c9649a9 | j_mayer | void helper_extll (void) |
364 | 4c9649a9 | j_mayer | { |
365 | 4c9649a9 | j_mayer | T0 >>= (T1 & 7) * 8; |
366 | 4c9649a9 | j_mayer | T0 = byte_zap(T0, 0xF0);
|
367 | 4c9649a9 | j_mayer | } |
368 | 4c9649a9 | j_mayer | |
369 | 4c9649a9 | j_mayer | void helper_insll (void) |
370 | 4c9649a9 | j_mayer | { |
371 | 4c9649a9 | j_mayer | T0 <<= (T1 & 7) * 8; |
372 | 4c9649a9 | j_mayer | T0 = byte_zap(T0, ~(0x0F << (T1 & 7))); |
373 | 4c9649a9 | j_mayer | } |
374 | 4c9649a9 | j_mayer | |
375 | 4c9649a9 | j_mayer | void helper_zap (void) |
376 | 4c9649a9 | j_mayer | { |
377 | 4c9649a9 | j_mayer | T0 = byte_zap(T0, T1); |
378 | 4c9649a9 | j_mayer | } |
379 | 4c9649a9 | j_mayer | |
380 | 4c9649a9 | j_mayer | void helper_zapnot (void) |
381 | 4c9649a9 | j_mayer | { |
382 | 4c9649a9 | j_mayer | T0 = byte_zap(T0, ~T1); |
383 | 4c9649a9 | j_mayer | } |
384 | 4c9649a9 | j_mayer | |
385 | 4c9649a9 | j_mayer | void helper_mskql (void) |
386 | 4c9649a9 | j_mayer | { |
387 | 4c9649a9 | j_mayer | T0 = byte_zap(T0, 0xFF << (T1 & 7)); |
388 | 4c9649a9 | j_mayer | } |
389 | 4c9649a9 | j_mayer | |
390 | 4c9649a9 | j_mayer | void helper_extql (void) |
391 | 4c9649a9 | j_mayer | { |
392 | 4c9649a9 | j_mayer | T0 >>= (T1 & 7) * 8; |
393 | 4c9649a9 | j_mayer | T0 = byte_zap(T0, 0x00);
|
394 | 4c9649a9 | j_mayer | } |
395 | 4c9649a9 | j_mayer | |
396 | 4c9649a9 | j_mayer | void helper_insql (void) |
397 | 4c9649a9 | j_mayer | { |
398 | 4c9649a9 | j_mayer | T0 <<= (T1 & 7) * 8; |
399 | 4c9649a9 | j_mayer | T0 = byte_zap(T0, ~(0xFF << (T1 & 7))); |
400 | 4c9649a9 | j_mayer | } |
401 | 4c9649a9 | j_mayer | |
402 | 4c9649a9 | j_mayer | void helper_mskwh (void) |
403 | 4c9649a9 | j_mayer | { |
404 | 4c9649a9 | j_mayer | T0 = byte_zap(T0, (0x03 << (T1 & 7)) >> 8); |
405 | 4c9649a9 | j_mayer | } |
406 | 4c9649a9 | j_mayer | |
407 | 4c9649a9 | j_mayer | void helper_inswh (void) |
408 | 4c9649a9 | j_mayer | { |
409 | 4c9649a9 | j_mayer | T0 >>= 64 - ((T1 & 7) * 8); |
410 | 4c9649a9 | j_mayer | T0 = byte_zap(T0, ~((0x03 << (T1 & 7)) >> 8)); |
411 | 4c9649a9 | j_mayer | } |
412 | 4c9649a9 | j_mayer | |
413 | 4c9649a9 | j_mayer | void helper_extwh (void) |
414 | 4c9649a9 | j_mayer | { |
415 | 4c9649a9 | j_mayer | T0 <<= 64 - ((T1 & 7) * 8); |
416 | 4c9649a9 | j_mayer | T0 = byte_zap(T0, ~0x07);
|
417 | 4c9649a9 | j_mayer | } |
418 | 4c9649a9 | j_mayer | |
419 | 4c9649a9 | j_mayer | void helper_msklh (void) |
420 | 4c9649a9 | j_mayer | { |
421 | 4c9649a9 | j_mayer | T0 = byte_zap(T0, (0x0F << (T1 & 7)) >> 8); |
422 | 4c9649a9 | j_mayer | } |
423 | 4c9649a9 | j_mayer | |
424 | 4c9649a9 | j_mayer | void helper_inslh (void) |
425 | 4c9649a9 | j_mayer | { |
426 | 4c9649a9 | j_mayer | T0 >>= 64 - ((T1 & 7) * 8); |
427 | 4c9649a9 | j_mayer | T0 = byte_zap(T0, ~((0x0F << (T1 & 7)) >> 8)); |
428 | 4c9649a9 | j_mayer | } |
429 | 4c9649a9 | j_mayer | |
430 | 4c9649a9 | j_mayer | void helper_extlh (void) |
431 | 4c9649a9 | j_mayer | { |
432 | 4c9649a9 | j_mayer | T0 <<= 64 - ((T1 & 7) * 8); |
433 | 4c9649a9 | j_mayer | T0 = byte_zap(T0, ~0x0F);
|
434 | 4c9649a9 | j_mayer | } |
435 | 4c9649a9 | j_mayer | |
436 | 4c9649a9 | j_mayer | void helper_mskqh (void) |
437 | 4c9649a9 | j_mayer | { |
438 | 4c9649a9 | j_mayer | T0 = byte_zap(T0, (0xFF << (T1 & 7)) >> 8); |
439 | 4c9649a9 | j_mayer | } |
440 | 4c9649a9 | j_mayer | |
441 | 4c9649a9 | j_mayer | void helper_insqh (void) |
442 | 4c9649a9 | j_mayer | { |
443 | 4c9649a9 | j_mayer | T0 >>= 64 - ((T1 & 7) * 8); |
444 | 4c9649a9 | j_mayer | T0 = byte_zap(T0, ~((0xFF << (T1 & 7)) >> 8)); |
445 | 4c9649a9 | j_mayer | } |
446 | 4c9649a9 | j_mayer | |
447 | 4c9649a9 | j_mayer | void helper_extqh (void) |
448 | 4c9649a9 | j_mayer | { |
449 | 4c9649a9 | j_mayer | T0 <<= 64 - ((T1 & 7) * 8); |
450 | 4c9649a9 | j_mayer | T0 = byte_zap(T0, 0x00);
|
451 | 4c9649a9 | j_mayer | } |
452 | 4c9649a9 | j_mayer | |
453 | 4c9649a9 | j_mayer | void helper_cmpbge (void) |
454 | 4c9649a9 | j_mayer | { |
455 | 4c9649a9 | j_mayer | uint8_t opa, opb, res; |
456 | 4c9649a9 | j_mayer | int i;
|
457 | 4c9649a9 | j_mayer | |
458 | 4c9649a9 | j_mayer | res = 0;
|
459 | 4c9649a9 | j_mayer | for (i = 0; i < 7; i++) { |
460 | 4c9649a9 | j_mayer | opa = T0 >> (i * 8);
|
461 | 4c9649a9 | j_mayer | opb = T1 >> (i * 8);
|
462 | 4c9649a9 | j_mayer | if (opa >= opb)
|
463 | 4c9649a9 | j_mayer | res |= 1 << i;
|
464 | 4c9649a9 | j_mayer | } |
465 | 4c9649a9 | j_mayer | T0 = res; |
466 | 4c9649a9 | j_mayer | } |
467 | 4c9649a9 | j_mayer | |
468 | 4c9649a9 | j_mayer | void helper_cmov_fir (int freg) |
469 | 4c9649a9 | j_mayer | { |
470 | 4c9649a9 | j_mayer | if (FT0 != 0) |
471 | 4c9649a9 | j_mayer | env->fir[freg] = FT1; |
472 | 4c9649a9 | j_mayer | } |
473 | 4c9649a9 | j_mayer | |
474 | 4c9649a9 | j_mayer | void helper_sqrts (void) |
475 | 4c9649a9 | j_mayer | { |
476 | 4c9649a9 | j_mayer | FT0 = float32_sqrt(FT0, &FP_STATUS); |
477 | 4c9649a9 | j_mayer | } |
478 | 4c9649a9 | j_mayer | |
479 | 4c9649a9 | j_mayer | void helper_cpys (void) |
480 | 4c9649a9 | j_mayer | { |
481 | 4c9649a9 | j_mayer | union {
|
482 | 4c9649a9 | j_mayer | double d;
|
483 | 4c9649a9 | j_mayer | uint64_t i; |
484 | 4c9649a9 | j_mayer | } p, q, r; |
485 | 4c9649a9 | j_mayer | |
486 | 4c9649a9 | j_mayer | p.d = FT0; |
487 | 4c9649a9 | j_mayer | q.d = FT1; |
488 | 4c9649a9 | j_mayer | r.i = p.i & 0x8000000000000000ULL;
|
489 | 4c9649a9 | j_mayer | r.i |= q.i & ~0x8000000000000000ULL;
|
490 | 4c9649a9 | j_mayer | FT0 = r.d; |
491 | 4c9649a9 | j_mayer | } |
492 | 4c9649a9 | j_mayer | |
493 | 4c9649a9 | j_mayer | void helper_cpysn (void) |
494 | 4c9649a9 | j_mayer | { |
495 | 4c9649a9 | j_mayer | union {
|
496 | 4c9649a9 | j_mayer | double d;
|
497 | 4c9649a9 | j_mayer | uint64_t i; |
498 | 4c9649a9 | j_mayer | } p, q, r; |
499 | 4c9649a9 | j_mayer | |
500 | 4c9649a9 | j_mayer | p.d = FT0; |
501 | 4c9649a9 | j_mayer | q.d = FT1; |
502 | 4c9649a9 | j_mayer | r.i = (~p.i) & 0x8000000000000000ULL;
|
503 | 4c9649a9 | j_mayer | r.i |= q.i & ~0x8000000000000000ULL;
|
504 | 4c9649a9 | j_mayer | FT0 = r.d; |
505 | 4c9649a9 | j_mayer | } |
506 | 4c9649a9 | j_mayer | |
507 | 4c9649a9 | j_mayer | void helper_cpyse (void) |
508 | 4c9649a9 | j_mayer | { |
509 | 4c9649a9 | j_mayer | union {
|
510 | 4c9649a9 | j_mayer | double d;
|
511 | 4c9649a9 | j_mayer | uint64_t i; |
512 | 4c9649a9 | j_mayer | } p, q, r; |
513 | 4c9649a9 | j_mayer | |
514 | 4c9649a9 | j_mayer | p.d = FT0; |
515 | 4c9649a9 | j_mayer | q.d = FT1; |
516 | 4c9649a9 | j_mayer | r.i = p.i & 0xFFF0000000000000ULL;
|
517 | 4c9649a9 | j_mayer | r.i |= q.i & ~0xFFF0000000000000ULL;
|
518 | 4c9649a9 | j_mayer | FT0 = r.d; |
519 | 4c9649a9 | j_mayer | } |
520 | 4c9649a9 | j_mayer | |
521 | 4c9649a9 | j_mayer | void helper_itofs (void) |
522 | 4c9649a9 | j_mayer | { |
523 | 4c9649a9 | j_mayer | union {
|
524 | 4c9649a9 | j_mayer | double d;
|
525 | 4c9649a9 | j_mayer | uint64_t i; |
526 | 4c9649a9 | j_mayer | } p; |
527 | 4c9649a9 | j_mayer | |
528 | 4c9649a9 | j_mayer | p.d = FT0; |
529 | 4c9649a9 | j_mayer | FT0 = int64_to_float32(p.i, &FP_STATUS); |
530 | 4c9649a9 | j_mayer | } |
531 | 4c9649a9 | j_mayer | |
532 | 4c9649a9 | j_mayer | void helper_ftois (void) |
533 | 4c9649a9 | j_mayer | { |
534 | 4c9649a9 | j_mayer | union {
|
535 | 4c9649a9 | j_mayer | double d;
|
536 | 4c9649a9 | j_mayer | uint64_t i; |
537 | 4c9649a9 | j_mayer | } p; |
538 | 4c9649a9 | j_mayer | |
539 | 4c9649a9 | j_mayer | p.i = float32_to_int64(FT0, &FP_STATUS); |
540 | 4c9649a9 | j_mayer | FT0 = p.d; |
541 | 4c9649a9 | j_mayer | } |
542 | 4c9649a9 | j_mayer | |
543 | 4c9649a9 | j_mayer | void helper_sqrtt (void) |
544 | 4c9649a9 | j_mayer | { |
545 | 4c9649a9 | j_mayer | FT0 = float64_sqrt(FT0, &FP_STATUS); |
546 | 4c9649a9 | j_mayer | } |
547 | 4c9649a9 | j_mayer | |
548 | 4c9649a9 | j_mayer | void helper_cmptun (void) |
549 | 4c9649a9 | j_mayer | { |
550 | 4c9649a9 | j_mayer | union {
|
551 | 4c9649a9 | j_mayer | double d;
|
552 | 4c9649a9 | j_mayer | uint64_t i; |
553 | 4c9649a9 | j_mayer | } p; |
554 | 4c9649a9 | j_mayer | |
555 | 4c9649a9 | j_mayer | p.i = 0;
|
556 | 4c9649a9 | j_mayer | if (float64_is_nan(FT0) || float64_is_nan(FT1))
|
557 | 4c9649a9 | j_mayer | p.i = 0x4000000000000000ULL;
|
558 | 4c9649a9 | j_mayer | FT0 = p.d; |
559 | 4c9649a9 | j_mayer | } |
560 | 4c9649a9 | j_mayer | |
561 | 4c9649a9 | j_mayer | void helper_cmpteq (void) |
562 | 4c9649a9 | j_mayer | { |
563 | 4c9649a9 | j_mayer | union {
|
564 | 4c9649a9 | j_mayer | double d;
|
565 | 4c9649a9 | j_mayer | uint64_t i; |
566 | 4c9649a9 | j_mayer | } p; |
567 | 4c9649a9 | j_mayer | |
568 | 4c9649a9 | j_mayer | p.i = 0;
|
569 | 4c9649a9 | j_mayer | if (float64_eq(FT0, FT1, &FP_STATUS))
|
570 | 4c9649a9 | j_mayer | p.i = 0x4000000000000000ULL;
|
571 | 4c9649a9 | j_mayer | FT0 = p.d; |
572 | 4c9649a9 | j_mayer | } |
573 | 4c9649a9 | j_mayer | |
574 | 4c9649a9 | j_mayer | void helper_cmptle (void) |
575 | 4c9649a9 | j_mayer | { |
576 | 4c9649a9 | j_mayer | union {
|
577 | 4c9649a9 | j_mayer | double d;
|
578 | 4c9649a9 | j_mayer | uint64_t i; |
579 | 4c9649a9 | j_mayer | } p; |
580 | 4c9649a9 | j_mayer | |
581 | 4c9649a9 | j_mayer | p.i = 0;
|
582 | 4c9649a9 | j_mayer | if (float64_le(FT0, FT1, &FP_STATUS))
|
583 | 4c9649a9 | j_mayer | p.i = 0x4000000000000000ULL;
|
584 | 4c9649a9 | j_mayer | FT0 = p.d; |
585 | 4c9649a9 | j_mayer | } |
586 | 4c9649a9 | j_mayer | |
587 | 4c9649a9 | j_mayer | void helper_cmptlt (void) |
588 | 4c9649a9 | j_mayer | { |
589 | 4c9649a9 | j_mayer | union {
|
590 | 4c9649a9 | j_mayer | double d;
|
591 | 4c9649a9 | j_mayer | uint64_t i; |
592 | 4c9649a9 | j_mayer | } p; |
593 | 4c9649a9 | j_mayer | |
594 | 4c9649a9 | j_mayer | p.i = 0;
|
595 | 4c9649a9 | j_mayer | if (float64_lt(FT0, FT1, &FP_STATUS))
|
596 | 4c9649a9 | j_mayer | p.i = 0x4000000000000000ULL;
|
597 | 4c9649a9 | j_mayer | FT0 = p.d; |
598 | 4c9649a9 | j_mayer | } |
599 | 4c9649a9 | j_mayer | |
600 | 4c9649a9 | j_mayer | void helper_itoft (void) |
601 | 4c9649a9 | j_mayer | { |
602 | 4c9649a9 | j_mayer | union {
|
603 | 4c9649a9 | j_mayer | double d;
|
604 | 4c9649a9 | j_mayer | uint64_t i; |
605 | 4c9649a9 | j_mayer | } p; |
606 | 4c9649a9 | j_mayer | |
607 | 4c9649a9 | j_mayer | p.d = FT0; |
608 | 4c9649a9 | j_mayer | FT0 = int64_to_float64(p.i, &FP_STATUS); |
609 | 4c9649a9 | j_mayer | } |
610 | 4c9649a9 | j_mayer | |
611 | 4c9649a9 | j_mayer | void helper_ftoit (void) |
612 | 4c9649a9 | j_mayer | { |
613 | 4c9649a9 | j_mayer | union {
|
614 | 4c9649a9 | j_mayer | double d;
|
615 | 4c9649a9 | j_mayer | uint64_t i; |
616 | 4c9649a9 | j_mayer | } p; |
617 | 4c9649a9 | j_mayer | |
618 | 4c9649a9 | j_mayer | p.i = float64_to_int64(FT0, &FP_STATUS); |
619 | 4c9649a9 | j_mayer | FT0 = p.d; |
620 | 4c9649a9 | j_mayer | } |
621 | 4c9649a9 | j_mayer | |
622 | 4c9649a9 | j_mayer | static int vaxf_is_valid (float ff) |
623 | 4c9649a9 | j_mayer | { |
624 | 4c9649a9 | j_mayer | union {
|
625 | 4c9649a9 | j_mayer | float f;
|
626 | 4c9649a9 | j_mayer | uint32_t i; |
627 | 4c9649a9 | j_mayer | } p; |
628 | 4c9649a9 | j_mayer | uint32_t exp, mant; |
629 | 4c9649a9 | j_mayer | |
630 | 4c9649a9 | j_mayer | p.f = ff; |
631 | 4c9649a9 | j_mayer | exp = (p.i >> 23) & 0xFF; |
632 | 4c9649a9 | j_mayer | mant = p.i & 0x007FFFFF;
|
633 | 4c9649a9 | j_mayer | if (exp == 0 && ((p.i & 0x80000000) || mant != 0)) { |
634 | 4c9649a9 | j_mayer | /* Reserved operands / Dirty zero */
|
635 | 4c9649a9 | j_mayer | return 0; |
636 | 4c9649a9 | j_mayer | } |
637 | 4c9649a9 | j_mayer | |
638 | 4c9649a9 | j_mayer | return 1; |
639 | 4c9649a9 | j_mayer | } |
640 | 4c9649a9 | j_mayer | |
641 | 4c9649a9 | j_mayer | static float vaxf_to_ieee32 (float ff) |
642 | 4c9649a9 | j_mayer | { |
643 | 4c9649a9 | j_mayer | union {
|
644 | 4c9649a9 | j_mayer | float f;
|
645 | 4c9649a9 | j_mayer | uint32_t i; |
646 | 4c9649a9 | j_mayer | } p; |
647 | 4c9649a9 | j_mayer | uint32_t exp; |
648 | 4c9649a9 | j_mayer | |
649 | 4c9649a9 | j_mayer | p.f = ff; |
650 | 4c9649a9 | j_mayer | exp = (p.i >> 23) & 0xFF; |
651 | 4c9649a9 | j_mayer | if (exp < 3) { |
652 | 4c9649a9 | j_mayer | /* Underflow */
|
653 | 4c9649a9 | j_mayer | p.f = 0.0; |
654 | 4c9649a9 | j_mayer | } else {
|
655 | 4c9649a9 | j_mayer | p.f *= 0.25; |
656 | 4c9649a9 | j_mayer | } |
657 | 4c9649a9 | j_mayer | |
658 | 4c9649a9 | j_mayer | return p.f;
|
659 | 4c9649a9 | j_mayer | } |
660 | 4c9649a9 | j_mayer | |
661 | 4c9649a9 | j_mayer | static float ieee32_to_vaxf (float fi) |
662 | 4c9649a9 | j_mayer | { |
663 | 4c9649a9 | j_mayer | union {
|
664 | 4c9649a9 | j_mayer | float f;
|
665 | 4c9649a9 | j_mayer | uint32_t i; |
666 | 4c9649a9 | j_mayer | } p; |
667 | 4c9649a9 | j_mayer | uint32_t exp, mant; |
668 | 4c9649a9 | j_mayer | |
669 | 4c9649a9 | j_mayer | p.f = fi; |
670 | 4c9649a9 | j_mayer | exp = (p.i >> 23) & 0xFF; |
671 | 4c9649a9 | j_mayer | mant = p.i & 0x007FFFFF;
|
672 | 4c9649a9 | j_mayer | if (exp == 255) { |
673 | 4c9649a9 | j_mayer | /* NaN or infinity */
|
674 | 4c9649a9 | j_mayer | p.i = 1;
|
675 | 4c9649a9 | j_mayer | } else if (exp == 0) { |
676 | 4c9649a9 | j_mayer | if (mant == 0) { |
677 | 4c9649a9 | j_mayer | /* Zero */
|
678 | 4c9649a9 | j_mayer | p.i = 0;
|
679 | 4c9649a9 | j_mayer | } else {
|
680 | 4c9649a9 | j_mayer | /* Denormalized */
|
681 | 4c9649a9 | j_mayer | p.f *= 2.0; |
682 | 4c9649a9 | j_mayer | } |
683 | 4c9649a9 | j_mayer | } else {
|
684 | 4c9649a9 | j_mayer | if (exp >= 253) { |
685 | 4c9649a9 | j_mayer | /* Overflow */
|
686 | 4c9649a9 | j_mayer | p.i = 1;
|
687 | 4c9649a9 | j_mayer | } else {
|
688 | 4c9649a9 | j_mayer | p.f *= 4.0; |
689 | 4c9649a9 | j_mayer | } |
690 | 4c9649a9 | j_mayer | } |
691 | 4c9649a9 | j_mayer | |
692 | 4c9649a9 | j_mayer | return p.f;
|
693 | 4c9649a9 | j_mayer | } |
694 | 4c9649a9 | j_mayer | |
695 | 4c9649a9 | j_mayer | void helper_addf (void) |
696 | 4c9649a9 | j_mayer | { |
697 | 4c9649a9 | j_mayer | float ft0, ft1, ft2;
|
698 | 4c9649a9 | j_mayer | |
699 | 4c9649a9 | j_mayer | if (!vaxf_is_valid(FT0) || !vaxf_is_valid(FT1)) {
|
700 | 4c9649a9 | j_mayer | /* XXX: TODO */
|
701 | 4c9649a9 | j_mayer | } |
702 | 4c9649a9 | j_mayer | ft0 = vaxf_to_ieee32(FT0); |
703 | 4c9649a9 | j_mayer | ft1 = vaxf_to_ieee32(FT1); |
704 | 4c9649a9 | j_mayer | ft2 = float32_add(ft0, ft1, &FP_STATUS); |
705 | 4c9649a9 | j_mayer | FT0 = ieee32_to_vaxf(ft2); |
706 | 4c9649a9 | j_mayer | } |
707 | 4c9649a9 | j_mayer | |
708 | 4c9649a9 | j_mayer | void helper_subf (void) |
709 | 4c9649a9 | j_mayer | { |
710 | 4c9649a9 | j_mayer | float ft0, ft1, ft2;
|
711 | 4c9649a9 | j_mayer | |
712 | 4c9649a9 | j_mayer | if (!vaxf_is_valid(FT0) || !vaxf_is_valid(FT1)) {
|
713 | 4c9649a9 | j_mayer | /* XXX: TODO */
|
714 | 4c9649a9 | j_mayer | } |
715 | 4c9649a9 | j_mayer | ft0 = vaxf_to_ieee32(FT0); |
716 | 4c9649a9 | j_mayer | ft1 = vaxf_to_ieee32(FT1); |
717 | 4c9649a9 | j_mayer | ft2 = float32_sub(ft0, ft1, &FP_STATUS); |
718 | 4c9649a9 | j_mayer | FT0 = ieee32_to_vaxf(ft2); |
719 | 4c9649a9 | j_mayer | } |
720 | 4c9649a9 | j_mayer | |
721 | 4c9649a9 | j_mayer | void helper_mulf (void) |
722 | 4c9649a9 | j_mayer | { |
723 | 4c9649a9 | j_mayer | float ft0, ft1, ft2;
|
724 | 4c9649a9 | j_mayer | |
725 | 4c9649a9 | j_mayer | if (!vaxf_is_valid(FT0) || !vaxf_is_valid(FT1)) {
|
726 | 4c9649a9 | j_mayer | /* XXX: TODO */
|
727 | 4c9649a9 | j_mayer | } |
728 | 4c9649a9 | j_mayer | ft0 = vaxf_to_ieee32(FT0); |
729 | 4c9649a9 | j_mayer | ft1 = vaxf_to_ieee32(FT1); |
730 | 4c9649a9 | j_mayer | ft2 = float32_mul(ft0, ft1, &FP_STATUS); |
731 | 4c9649a9 | j_mayer | FT0 = ieee32_to_vaxf(ft2); |
732 | 4c9649a9 | j_mayer | } |
733 | 4c9649a9 | j_mayer | |
734 | 4c9649a9 | j_mayer | void helper_divf (void) |
735 | 4c9649a9 | j_mayer | { |
736 | 4c9649a9 | j_mayer | float ft0, ft1, ft2;
|
737 | 4c9649a9 | j_mayer | |
738 | 4c9649a9 | j_mayer | if (!vaxf_is_valid(FT0) || !vaxf_is_valid(FT1)) {
|
739 | 4c9649a9 | j_mayer | /* XXX: TODO */
|
740 | 4c9649a9 | j_mayer | } |
741 | 4c9649a9 | j_mayer | ft0 = vaxf_to_ieee32(FT0); |
742 | 4c9649a9 | j_mayer | ft1 = vaxf_to_ieee32(FT1); |
743 | 4c9649a9 | j_mayer | ft2 = float32_div(ft0, ft1, &FP_STATUS); |
744 | 4c9649a9 | j_mayer | FT0 = ieee32_to_vaxf(ft2); |
745 | 4c9649a9 | j_mayer | } |
746 | 4c9649a9 | j_mayer | |
747 | 4c9649a9 | j_mayer | void helper_sqrtf (void) |
748 | 4c9649a9 | j_mayer | { |
749 | 4c9649a9 | j_mayer | float ft0, ft1;
|
750 | 4c9649a9 | j_mayer | |
751 | 4c9649a9 | j_mayer | if (!vaxf_is_valid(FT0) || !vaxf_is_valid(FT1)) {
|
752 | 4c9649a9 | j_mayer | /* XXX: TODO */
|
753 | 4c9649a9 | j_mayer | } |
754 | 4c9649a9 | j_mayer | ft0 = vaxf_to_ieee32(FT0); |
755 | 4c9649a9 | j_mayer | ft1 = float32_sqrt(ft0, &FP_STATUS); |
756 | 4c9649a9 | j_mayer | FT0 = ieee32_to_vaxf(ft1); |
757 | 4c9649a9 | j_mayer | } |
758 | 4c9649a9 | j_mayer | |
759 | 4c9649a9 | j_mayer | void helper_itoff (void) |
760 | 4c9649a9 | j_mayer | { |
761 | 4c9649a9 | j_mayer | /* XXX: TODO */
|
762 | 4c9649a9 | j_mayer | } |
763 | 4c9649a9 | j_mayer | |
764 | 4c9649a9 | j_mayer | static int vaxg_is_valid (double ff) |
765 | 4c9649a9 | j_mayer | { |
766 | 4c9649a9 | j_mayer | union {
|
767 | 4c9649a9 | j_mayer | double f;
|
768 | 4c9649a9 | j_mayer | uint64_t i; |
769 | 4c9649a9 | j_mayer | } p; |
770 | 4c9649a9 | j_mayer | uint64_t exp, mant; |
771 | 4c9649a9 | j_mayer | |
772 | 4c9649a9 | j_mayer | p.f = ff; |
773 | 4c9649a9 | j_mayer | exp = (p.i >> 52) & 0x7FF; |
774 | 4c9649a9 | j_mayer | mant = p.i & 0x000FFFFFFFFFFFFFULL;
|
775 | 4c9649a9 | j_mayer | if (exp == 0 && ((p.i & 0x8000000000000000ULL) || mant != 0)) { |
776 | 4c9649a9 | j_mayer | /* Reserved operands / Dirty zero */
|
777 | 4c9649a9 | j_mayer | return 0; |
778 | 4c9649a9 | j_mayer | } |
779 | 4c9649a9 | j_mayer | |
780 | 4c9649a9 | j_mayer | return 1; |
781 | 4c9649a9 | j_mayer | } |
782 | 4c9649a9 | j_mayer | |
783 | 4c9649a9 | j_mayer | static double vaxg_to_ieee64 (double fg) |
784 | 4c9649a9 | j_mayer | { |
785 | 4c9649a9 | j_mayer | union {
|
786 | 4c9649a9 | j_mayer | double f;
|
787 | 4c9649a9 | j_mayer | uint64_t i; |
788 | 4c9649a9 | j_mayer | } p; |
789 | 4c9649a9 | j_mayer | uint32_t exp; |
790 | 4c9649a9 | j_mayer | |
791 | 4c9649a9 | j_mayer | p.f = fg; |
792 | 4c9649a9 | j_mayer | exp = (p.i >> 52) & 0x7FF; |
793 | 4c9649a9 | j_mayer | if (exp < 3) { |
794 | 4c9649a9 | j_mayer | /* Underflow */
|
795 | 4c9649a9 | j_mayer | p.f = 0.0; |
796 | 4c9649a9 | j_mayer | } else {
|
797 | 4c9649a9 | j_mayer | p.f *= 0.25; |
798 | 4c9649a9 | j_mayer | } |
799 | 4c9649a9 | j_mayer | |
800 | 4c9649a9 | j_mayer | return p.f;
|
801 | 4c9649a9 | j_mayer | } |
802 | 4c9649a9 | j_mayer | |
803 | 4c9649a9 | j_mayer | static double ieee64_to_vaxg (double fi) |
804 | 4c9649a9 | j_mayer | { |
805 | 4c9649a9 | j_mayer | union {
|
806 | 4c9649a9 | j_mayer | double f;
|
807 | 4c9649a9 | j_mayer | uint64_t i; |
808 | 4c9649a9 | j_mayer | } p; |
809 | 4c9649a9 | j_mayer | uint64_t mant; |
810 | 4c9649a9 | j_mayer | uint32_t exp; |
811 | 4c9649a9 | j_mayer | |
812 | 4c9649a9 | j_mayer | p.f = fi; |
813 | 4c9649a9 | j_mayer | exp = (p.i >> 52) & 0x7FF; |
814 | 4c9649a9 | j_mayer | mant = p.i & 0x000FFFFFFFFFFFFFULL;
|
815 | 4c9649a9 | j_mayer | if (exp == 255) { |
816 | 4c9649a9 | j_mayer | /* NaN or infinity */
|
817 | 4c9649a9 | j_mayer | p.i = 1; /* VAX dirty zero */ |
818 | 4c9649a9 | j_mayer | } else if (exp == 0) { |
819 | 4c9649a9 | j_mayer | if (mant == 0) { |
820 | 4c9649a9 | j_mayer | /* Zero */
|
821 | 4c9649a9 | j_mayer | p.i = 0;
|
822 | 4c9649a9 | j_mayer | } else {
|
823 | 4c9649a9 | j_mayer | /* Denormalized */
|
824 | 4c9649a9 | j_mayer | p.f *= 2.0; |
825 | 4c9649a9 | j_mayer | } |
826 | 4c9649a9 | j_mayer | } else {
|
827 | 4c9649a9 | j_mayer | if (exp >= 2045) { |
828 | 4c9649a9 | j_mayer | /* Overflow */
|
829 | 4c9649a9 | j_mayer | p.i = 1; /* VAX dirty zero */ |
830 | 4c9649a9 | j_mayer | } else {
|
831 | 4c9649a9 | j_mayer | p.f *= 4.0; |
832 | 4c9649a9 | j_mayer | } |
833 | 4c9649a9 | j_mayer | } |
834 | 4c9649a9 | j_mayer | |
835 | 4c9649a9 | j_mayer | return p.f;
|
836 | 4c9649a9 | j_mayer | } |
837 | 4c9649a9 | j_mayer | |
838 | 4c9649a9 | j_mayer | void helper_addg (void) |
839 | 4c9649a9 | j_mayer | { |
840 | 4c9649a9 | j_mayer | double ft0, ft1, ft2;
|
841 | 4c9649a9 | j_mayer | |
842 | 4c9649a9 | j_mayer | if (!vaxg_is_valid(FT0) || !vaxg_is_valid(FT1)) {
|
843 | 4c9649a9 | j_mayer | /* XXX: TODO */
|
844 | 4c9649a9 | j_mayer | } |
845 | 4c9649a9 | j_mayer | ft0 = vaxg_to_ieee64(FT0); |
846 | 4c9649a9 | j_mayer | ft1 = vaxg_to_ieee64(FT1); |
847 | 4c9649a9 | j_mayer | ft2 = float64_add(ft0, ft1, &FP_STATUS); |
848 | 4c9649a9 | j_mayer | FT0 = ieee64_to_vaxg(ft2); |
849 | 4c9649a9 | j_mayer | } |
850 | 4c9649a9 | j_mayer | |
851 | 4c9649a9 | j_mayer | void helper_subg (void) |
852 | 4c9649a9 | j_mayer | { |
853 | 4c9649a9 | j_mayer | double ft0, ft1, ft2;
|
854 | 4c9649a9 | j_mayer | |
855 | 4c9649a9 | j_mayer | if (!vaxg_is_valid(FT0) || !vaxg_is_valid(FT1)) {
|
856 | 4c9649a9 | j_mayer | /* XXX: TODO */
|
857 | 4c9649a9 | j_mayer | } |
858 | 4c9649a9 | j_mayer | ft0 = vaxg_to_ieee64(FT0); |
859 | 4c9649a9 | j_mayer | ft1 = vaxg_to_ieee64(FT1); |
860 | 4c9649a9 | j_mayer | ft2 = float64_sub(ft0, ft1, &FP_STATUS); |
861 | 4c9649a9 | j_mayer | FT0 = ieee64_to_vaxg(ft2); |
862 | 4c9649a9 | j_mayer | } |
863 | 4c9649a9 | j_mayer | |
864 | 4c9649a9 | j_mayer | void helper_mulg (void) |
865 | 4c9649a9 | j_mayer | { |
866 | 4c9649a9 | j_mayer | double ft0, ft1, ft2;
|
867 | 4c9649a9 | j_mayer | |
868 | 4c9649a9 | j_mayer | if (!vaxg_is_valid(FT0) || !vaxg_is_valid(FT1)) {
|
869 | 4c9649a9 | j_mayer | /* XXX: TODO */
|
870 | 4c9649a9 | j_mayer | } |
871 | 4c9649a9 | j_mayer | ft0 = vaxg_to_ieee64(FT0); |
872 | 4c9649a9 | j_mayer | ft1 = vaxg_to_ieee64(FT1); |
873 | 4c9649a9 | j_mayer | ft2 = float64_mul(ft0, ft1, &FP_STATUS); |
874 | 4c9649a9 | j_mayer | FT0 = ieee64_to_vaxg(ft2); |
875 | 4c9649a9 | j_mayer | } |
876 | 4c9649a9 | j_mayer | |
877 | 4c9649a9 | j_mayer | void helper_divg (void) |
878 | 4c9649a9 | j_mayer | { |
879 | 4c9649a9 | j_mayer | double ft0, ft1, ft2;
|
880 | 4c9649a9 | j_mayer | |
881 | 4c9649a9 | j_mayer | if (!vaxg_is_valid(FT0) || !vaxg_is_valid(FT1)) {
|
882 | 4c9649a9 | j_mayer | /* XXX: TODO */
|
883 | 4c9649a9 | j_mayer | } |
884 | 4c9649a9 | j_mayer | ft0 = vaxg_to_ieee64(FT0); |
885 | 4c9649a9 | j_mayer | ft1 = vaxg_to_ieee64(FT1); |
886 | 4c9649a9 | j_mayer | ft2 = float64_div(ft0, ft1, &FP_STATUS); |
887 | 4c9649a9 | j_mayer | FT0 = ieee64_to_vaxg(ft2); |
888 | 4c9649a9 | j_mayer | } |
889 | 4c9649a9 | j_mayer | |
890 | 4c9649a9 | j_mayer | void helper_sqrtg (void) |
891 | 4c9649a9 | j_mayer | { |
892 | 4c9649a9 | j_mayer | double ft0, ft1;
|
893 | 4c9649a9 | j_mayer | |
894 | 4c9649a9 | j_mayer | if (!vaxg_is_valid(FT0) || !vaxg_is_valid(FT1)) {
|
895 | 4c9649a9 | j_mayer | /* XXX: TODO */
|
896 | 4c9649a9 | j_mayer | } |
897 | 4c9649a9 | j_mayer | ft0 = vaxg_to_ieee64(FT0); |
898 | 4c9649a9 | j_mayer | ft1 = float64_sqrt(ft0, &FP_STATUS); |
899 | 4c9649a9 | j_mayer | FT0 = ieee64_to_vaxg(ft1); |
900 | 4c9649a9 | j_mayer | } |
901 | 4c9649a9 | j_mayer | |
902 | 4c9649a9 | j_mayer | void helper_cmpgeq (void) |
903 | 4c9649a9 | j_mayer | { |
904 | 4c9649a9 | j_mayer | union {
|
905 | 4c9649a9 | j_mayer | double d;
|
906 | 4c9649a9 | j_mayer | uint64_t u; |
907 | 4c9649a9 | j_mayer | } p; |
908 | 4c9649a9 | j_mayer | double ft0, ft1;
|
909 | 4c9649a9 | j_mayer | |
910 | 4c9649a9 | j_mayer | if (!vaxg_is_valid(FT0) || !vaxg_is_valid(FT1)) {
|
911 | 4c9649a9 | j_mayer | /* XXX: TODO */
|
912 | 4c9649a9 | j_mayer | } |
913 | 4c9649a9 | j_mayer | ft0 = vaxg_to_ieee64(FT0); |
914 | 4c9649a9 | j_mayer | ft1 = vaxg_to_ieee64(FT1); |
915 | 4c9649a9 | j_mayer | p.u = 0;
|
916 | 4c9649a9 | j_mayer | if (float64_eq(ft0, ft1, &FP_STATUS))
|
917 | 4c9649a9 | j_mayer | p.u = 0x4000000000000000ULL;
|
918 | 4c9649a9 | j_mayer | FT0 = p.d; |
919 | 4c9649a9 | j_mayer | } |
920 | 4c9649a9 | j_mayer | |
921 | 4c9649a9 | j_mayer | void helper_cmpglt (void) |
922 | 4c9649a9 | j_mayer | { |
923 | 4c9649a9 | j_mayer | union {
|
924 | 4c9649a9 | j_mayer | double d;
|
925 | 4c9649a9 | j_mayer | uint64_t u; |
926 | 4c9649a9 | j_mayer | } p; |
927 | 4c9649a9 | j_mayer | double ft0, ft1;
|
928 | 4c9649a9 | j_mayer | |
929 | 4c9649a9 | j_mayer | if (!vaxg_is_valid(FT0) || !vaxg_is_valid(FT1)) {
|
930 | 4c9649a9 | j_mayer | /* XXX: TODO */
|
931 | 4c9649a9 | j_mayer | } |
932 | 4c9649a9 | j_mayer | ft0 = vaxg_to_ieee64(FT0); |
933 | 4c9649a9 | j_mayer | ft1 = vaxg_to_ieee64(FT1); |
934 | 4c9649a9 | j_mayer | p.u = 0;
|
935 | 4c9649a9 | j_mayer | if (float64_lt(ft0, ft1, &FP_STATUS))
|
936 | 4c9649a9 | j_mayer | p.u = 0x4000000000000000ULL;
|
937 | 4c9649a9 | j_mayer | FT0 = p.d; |
938 | 4c9649a9 | j_mayer | } |
939 | 4c9649a9 | j_mayer | |
940 | 4c9649a9 | j_mayer | void helper_cmpgle (void) |
941 | 4c9649a9 | j_mayer | { |
942 | 4c9649a9 | j_mayer | union {
|
943 | 4c9649a9 | j_mayer | double d;
|
944 | 4c9649a9 | j_mayer | uint64_t u; |
945 | 4c9649a9 | j_mayer | } p; |
946 | 4c9649a9 | j_mayer | double ft0, ft1;
|
947 | 4c9649a9 | j_mayer | |
948 | 4c9649a9 | j_mayer | if (!vaxg_is_valid(FT0) || !vaxg_is_valid(FT1)) {
|
949 | 4c9649a9 | j_mayer | /* XXX: TODO */
|
950 | 4c9649a9 | j_mayer | } |
951 | 4c9649a9 | j_mayer | ft0 = vaxg_to_ieee64(FT0); |
952 | 4c9649a9 | j_mayer | ft1 = vaxg_to_ieee64(FT1); |
953 | 4c9649a9 | j_mayer | p.u = 0;
|
954 | 4c9649a9 | j_mayer | if (float64_le(ft0, ft1, &FP_STATUS))
|
955 | 4c9649a9 | j_mayer | p.u = 0x4000000000000000ULL;
|
956 | 4c9649a9 | j_mayer | FT0 = p.d; |
957 | 4c9649a9 | j_mayer | } |
958 | 4c9649a9 | j_mayer | |
959 | 4c9649a9 | j_mayer | void helper_cvtqs (void) |
960 | 4c9649a9 | j_mayer | { |
961 | 4c9649a9 | j_mayer | union {
|
962 | 4c9649a9 | j_mayer | double d;
|
963 | 4c9649a9 | j_mayer | uint64_t u; |
964 | 4c9649a9 | j_mayer | } p; |
965 | 4c9649a9 | j_mayer | |
966 | 4c9649a9 | j_mayer | p.d = FT0; |
967 | 4c9649a9 | j_mayer | FT0 = (float)p.u;
|
968 | 4c9649a9 | j_mayer | } |
969 | 4c9649a9 | j_mayer | |
970 | 4c9649a9 | j_mayer | void helper_cvttq (void) |
971 | 4c9649a9 | j_mayer | { |
972 | 4c9649a9 | j_mayer | union {
|
973 | 4c9649a9 | j_mayer | double d;
|
974 | 4c9649a9 | j_mayer | uint64_t u; |
975 | 4c9649a9 | j_mayer | } p; |
976 | 4c9649a9 | j_mayer | |
977 | 4c9649a9 | j_mayer | p.u = FT0; |
978 | 4c9649a9 | j_mayer | FT0 = p.d; |
979 | 4c9649a9 | j_mayer | } |
980 | 4c9649a9 | j_mayer | |
981 | 4c9649a9 | j_mayer | void helper_cvtqt (void) |
982 | 4c9649a9 | j_mayer | { |
983 | 4c9649a9 | j_mayer | union {
|
984 | 4c9649a9 | j_mayer | double d;
|
985 | 4c9649a9 | j_mayer | uint64_t u; |
986 | 4c9649a9 | j_mayer | } p; |
987 | 4c9649a9 | j_mayer | |
988 | 4c9649a9 | j_mayer | p.d = FT0; |
989 | 4c9649a9 | j_mayer | FT0 = p.u; |
990 | 4c9649a9 | j_mayer | } |
991 | 4c9649a9 | j_mayer | |
992 | 4c9649a9 | j_mayer | void helper_cvtqf (void) |
993 | 4c9649a9 | j_mayer | { |
994 | 4c9649a9 | j_mayer | union {
|
995 | 4c9649a9 | j_mayer | double d;
|
996 | 4c9649a9 | j_mayer | uint64_t u; |
997 | 4c9649a9 | j_mayer | } p; |
998 | 4c9649a9 | j_mayer | |
999 | 4c9649a9 | j_mayer | p.d = FT0; |
1000 | 4c9649a9 | j_mayer | FT0 = ieee32_to_vaxf(p.u); |
1001 | 4c9649a9 | j_mayer | } |
1002 | 4c9649a9 | j_mayer | |
1003 | 4c9649a9 | j_mayer | void helper_cvtgf (void) |
1004 | 4c9649a9 | j_mayer | { |
1005 | 4c9649a9 | j_mayer | double ft0;
|
1006 | 4c9649a9 | j_mayer | |
1007 | 4c9649a9 | j_mayer | ft0 = vaxg_to_ieee64(FT0); |
1008 | 4c9649a9 | j_mayer | FT0 = ieee32_to_vaxf(ft0); |
1009 | 4c9649a9 | j_mayer | } |
1010 | 4c9649a9 | j_mayer | |
1011 | 4c9649a9 | j_mayer | void helper_cvtgd (void) |
1012 | 4c9649a9 | j_mayer | { |
1013 | 4c9649a9 | j_mayer | /* XXX: TODO */
|
1014 | 4c9649a9 | j_mayer | } |
1015 | 4c9649a9 | j_mayer | |
1016 | 4c9649a9 | j_mayer | void helper_cvtgq (void) |
1017 | 4c9649a9 | j_mayer | { |
1018 | 4c9649a9 | j_mayer | union {
|
1019 | 4c9649a9 | j_mayer | double d;
|
1020 | 4c9649a9 | j_mayer | uint64_t u; |
1021 | 4c9649a9 | j_mayer | } p; |
1022 | 4c9649a9 | j_mayer | |
1023 | 4c9649a9 | j_mayer | p.u = vaxg_to_ieee64(FT0); |
1024 | 4c9649a9 | j_mayer | FT0 = p.d; |
1025 | 4c9649a9 | j_mayer | } |
1026 | 4c9649a9 | j_mayer | |
1027 | 4c9649a9 | j_mayer | void helper_cvtqg (void) |
1028 | 4c9649a9 | j_mayer | { |
1029 | 4c9649a9 | j_mayer | union {
|
1030 | 4c9649a9 | j_mayer | double d;
|
1031 | 4c9649a9 | j_mayer | uint64_t u; |
1032 | 4c9649a9 | j_mayer | } p; |
1033 | 4c9649a9 | j_mayer | |
1034 | 4c9649a9 | j_mayer | p.d = FT0; |
1035 | 4c9649a9 | j_mayer | FT0 = ieee64_to_vaxg(p.u); |
1036 | 4c9649a9 | j_mayer | } |
1037 | 4c9649a9 | j_mayer | |
1038 | 4c9649a9 | j_mayer | void helper_cvtdg (void) |
1039 | 4c9649a9 | j_mayer | { |
1040 | 4c9649a9 | j_mayer | /* XXX: TODO */
|
1041 | 4c9649a9 | j_mayer | } |
1042 | 4c9649a9 | j_mayer | |
1043 | 4c9649a9 | j_mayer | void helper_cvtlq (void) |
1044 | 4c9649a9 | j_mayer | { |
1045 | 4c9649a9 | j_mayer | union {
|
1046 | 4c9649a9 | j_mayer | double d;
|
1047 | 4c9649a9 | j_mayer | uint64_t u; |
1048 | 4c9649a9 | j_mayer | } p, q; |
1049 | 4c9649a9 | j_mayer | |
1050 | 4c9649a9 | j_mayer | p.d = FT0; |
1051 | 4c9649a9 | j_mayer | q.u = (p.u >> 29) & 0x3FFFFFFF; |
1052 | 4c9649a9 | j_mayer | q.u |= (p.u >> 32);
|
1053 | 4c9649a9 | j_mayer | q.u = (int64_t)((int32_t)q.u); |
1054 | 4c9649a9 | j_mayer | FT0 = q.d; |
1055 | 4c9649a9 | j_mayer | } |
1056 | 4c9649a9 | j_mayer | |
1057 | 4c9649a9 | j_mayer | static inline void __helper_cvtql (int s, int v) |
1058 | 4c9649a9 | j_mayer | { |
1059 | 4c9649a9 | j_mayer | union {
|
1060 | 4c9649a9 | j_mayer | double d;
|
1061 | 4c9649a9 | j_mayer | uint64_t u; |
1062 | 4c9649a9 | j_mayer | } p, q; |
1063 | 4c9649a9 | j_mayer | |
1064 | 4c9649a9 | j_mayer | p.d = FT0; |
1065 | 4c9649a9 | j_mayer | q.u = ((uint64_t)(p.u & 0xC0000000)) << 32; |
1066 | 4c9649a9 | j_mayer | q.u |= ((uint64_t)(p.u & 0x7FFFFFFF)) << 29; |
1067 | 4c9649a9 | j_mayer | FT0 = q.d; |
1068 | 4c9649a9 | j_mayer | if (v && (int64_t)((int32_t)p.u) != (int64_t)p.u) {
|
1069 | 4c9649a9 | j_mayer | helper_excp(EXCP_ARITH, EXCP_ARITH_OVERFLOW); |
1070 | 4c9649a9 | j_mayer | } |
1071 | 4c9649a9 | j_mayer | if (s) {
|
1072 | 4c9649a9 | j_mayer | /* TODO */
|
1073 | 4c9649a9 | j_mayer | } |
1074 | 4c9649a9 | j_mayer | } |
1075 | 4c9649a9 | j_mayer | |
1076 | 4c9649a9 | j_mayer | void helper_cvtql (void) |
1077 | 4c9649a9 | j_mayer | { |
1078 | 4c9649a9 | j_mayer | __helper_cvtql(0, 0); |
1079 | 4c9649a9 | j_mayer | } |
1080 | 4c9649a9 | j_mayer | |
1081 | 4c9649a9 | j_mayer | void helper_cvtqlv (void) |
1082 | 4c9649a9 | j_mayer | { |
1083 | 4c9649a9 | j_mayer | __helper_cvtql(0, 1); |
1084 | 4c9649a9 | j_mayer | } |
1085 | 4c9649a9 | j_mayer | |
1086 | 4c9649a9 | j_mayer | void helper_cvtqlsv (void) |
1087 | 4c9649a9 | j_mayer | { |
1088 | 4c9649a9 | j_mayer | __helper_cvtql(1, 1); |
1089 | 4c9649a9 | j_mayer | } |
1090 | 4c9649a9 | j_mayer | |
1091 | 4c9649a9 | j_mayer | void helper_cmpfeq (void) |
1092 | 4c9649a9 | j_mayer | { |
1093 | 4c9649a9 | j_mayer | if (float64_eq(FT0, FT1, &FP_STATUS))
|
1094 | 4c9649a9 | j_mayer | T0 = 1;
|
1095 | 4c9649a9 | j_mayer | else
|
1096 | 4c9649a9 | j_mayer | T0 = 0;
|
1097 | 4c9649a9 | j_mayer | } |
1098 | 4c9649a9 | j_mayer | |
1099 | 4c9649a9 | j_mayer | void helper_cmpfne (void) |
1100 | 4c9649a9 | j_mayer | { |
1101 | 4c9649a9 | j_mayer | if (float64_eq(FT0, FT1, &FP_STATUS))
|
1102 | 4c9649a9 | j_mayer | T0 = 0;
|
1103 | 4c9649a9 | j_mayer | else
|
1104 | 4c9649a9 | j_mayer | T0 = 1;
|
1105 | 4c9649a9 | j_mayer | } |
1106 | 4c9649a9 | j_mayer | |
1107 | 4c9649a9 | j_mayer | void helper_cmpflt (void) |
1108 | 4c9649a9 | j_mayer | { |
1109 | 4c9649a9 | j_mayer | if (float64_lt(FT0, FT1, &FP_STATUS))
|
1110 | 4c9649a9 | j_mayer | T0 = 1;
|
1111 | 4c9649a9 | j_mayer | else
|
1112 | 4c9649a9 | j_mayer | T0 = 0;
|
1113 | 4c9649a9 | j_mayer | } |
1114 | 4c9649a9 | j_mayer | |
1115 | 4c9649a9 | j_mayer | void helper_cmpfle (void) |
1116 | 4c9649a9 | j_mayer | { |
1117 | 4c9649a9 | j_mayer | if (float64_lt(FT0, FT1, &FP_STATUS))
|
1118 | 4c9649a9 | j_mayer | T0 = 1;
|
1119 | 4c9649a9 | j_mayer | else
|
1120 | 4c9649a9 | j_mayer | T0 = 0;
|
1121 | 4c9649a9 | j_mayer | } |
1122 | 4c9649a9 | j_mayer | |
1123 | 4c9649a9 | j_mayer | void helper_cmpfgt (void) |
1124 | 4c9649a9 | j_mayer | { |
1125 | 4c9649a9 | j_mayer | if (float64_le(FT0, FT1, &FP_STATUS))
|
1126 | 4c9649a9 | j_mayer | T0 = 0;
|
1127 | 4c9649a9 | j_mayer | else
|
1128 | 4c9649a9 | j_mayer | T0 = 1;
|
1129 | 4c9649a9 | j_mayer | } |
1130 | 4c9649a9 | j_mayer | |
1131 | 4c9649a9 | j_mayer | void helper_cmpfge (void) |
1132 | 4c9649a9 | j_mayer | { |
1133 | 4c9649a9 | j_mayer | if (float64_lt(FT0, FT1, &FP_STATUS))
|
1134 | 4c9649a9 | j_mayer | T0 = 0;
|
1135 | 4c9649a9 | j_mayer | else
|
1136 | 4c9649a9 | j_mayer | T0 = 1;
|
1137 | 4c9649a9 | j_mayer | } |
1138 | 4c9649a9 | j_mayer | |
1139 | 4c9649a9 | j_mayer | #if !defined (CONFIG_USER_ONLY)
|
1140 | 4c9649a9 | j_mayer | void helper_mfpr (int iprn) |
1141 | 4c9649a9 | j_mayer | { |
1142 | 4c9649a9 | j_mayer | uint64_t val; |
1143 | 4c9649a9 | j_mayer | |
1144 | 4c9649a9 | j_mayer | if (cpu_alpha_mfpr(env, iprn, &val) == 0) |
1145 | 4c9649a9 | j_mayer | T0 = val; |
1146 | 4c9649a9 | j_mayer | } |
1147 | 4c9649a9 | j_mayer | |
1148 | 4c9649a9 | j_mayer | void helper_mtpr (int iprn) |
1149 | 4c9649a9 | j_mayer | { |
1150 | 4c9649a9 | j_mayer | cpu_alpha_mtpr(env, iprn, T0, NULL);
|
1151 | 4c9649a9 | j_mayer | } |
1152 | 4c9649a9 | j_mayer | #endif
|
1153 | 4c9649a9 | j_mayer | |
1154 | 4c9649a9 | j_mayer | /*****************************************************************************/
|
1155 | 4c9649a9 | j_mayer | /* Softmmu support */
|
1156 | 4c9649a9 | j_mayer | #if !defined (CONFIG_USER_ONLY)
|
1157 | 4c9649a9 | j_mayer | |
1158 | 4c9649a9 | j_mayer | #define GETPC() (__builtin_return_address(0)) |
1159 | 4c9649a9 | j_mayer | |
1160 | 4c9649a9 | j_mayer | /* XXX: the two following helpers are pure hacks.
|
1161 | 4c9649a9 | j_mayer | * Hopefully, we emulate the PALcode, then we should never see
|
1162 | 4c9649a9 | j_mayer | * HW_LD / HW_ST instructions.
|
1163 | 4c9649a9 | j_mayer | */
|
1164 | 4c9649a9 | j_mayer | void helper_ld_phys_to_virt (void) |
1165 | 4c9649a9 | j_mayer | { |
1166 | 4c9649a9 | j_mayer | uint64_t tlb_addr, physaddr; |
1167 | 4c9649a9 | j_mayer | int index, is_user;
|
1168 | 4c9649a9 | j_mayer | void *retaddr;
|
1169 | 4c9649a9 | j_mayer | |
1170 | 4c9649a9 | j_mayer | is_user = (env->ps >> 3) & 3; |
1171 | 4c9649a9 | j_mayer | index = (T0 >> TARGET_PAGE_BITS) & (CPU_TLB_SIZE - 1);
|
1172 | 4c9649a9 | j_mayer | redo:
|
1173 | 4c9649a9 | j_mayer | tlb_addr = env->tlb_table[is_user][index].addr_read; |
1174 | 4c9649a9 | j_mayer | if ((T0 & TARGET_PAGE_MASK) ==
|
1175 | 4c9649a9 | j_mayer | (tlb_addr & (TARGET_PAGE_MASK | TLB_INVALID_MASK))) { |
1176 | 4c9649a9 | j_mayer | physaddr = T0 + env->tlb_table[is_user][index].addend; |
1177 | 4c9649a9 | j_mayer | } else {
|
1178 | 4c9649a9 | j_mayer | /* the page is not in the TLB : fill it */
|
1179 | 4c9649a9 | j_mayer | retaddr = GETPC(); |
1180 | 4c9649a9 | j_mayer | tlb_fill(T0, 0, is_user, retaddr);
|
1181 | 4c9649a9 | j_mayer | goto redo;
|
1182 | 4c9649a9 | j_mayer | } |
1183 | 4c9649a9 | j_mayer | T0 = physaddr; |
1184 | 4c9649a9 | j_mayer | } |
1185 | 4c9649a9 | j_mayer | |
1186 | 4c9649a9 | j_mayer | void helper_st_phys_to_virt (void) |
1187 | 4c9649a9 | j_mayer | { |
1188 | 4c9649a9 | j_mayer | uint64_t tlb_addr, physaddr; |
1189 | 4c9649a9 | j_mayer | int index, is_user;
|
1190 | 4c9649a9 | j_mayer | void *retaddr;
|
1191 | 4c9649a9 | j_mayer | |
1192 | 4c9649a9 | j_mayer | is_user = (env->ps >> 3) & 3; |
1193 | 4c9649a9 | j_mayer | index = (T0 >> TARGET_PAGE_BITS) & (CPU_TLB_SIZE - 1);
|
1194 | 4c9649a9 | j_mayer | redo:
|
1195 | 4c9649a9 | j_mayer | tlb_addr = env->tlb_table[is_user][index].addr_write; |
1196 | 4c9649a9 | j_mayer | if ((T0 & TARGET_PAGE_MASK) ==
|
1197 | 4c9649a9 | j_mayer | (tlb_addr & (TARGET_PAGE_MASK | TLB_INVALID_MASK))) { |
1198 | 4c9649a9 | j_mayer | physaddr = T0 + env->tlb_table[is_user][index].addend; |
1199 | 4c9649a9 | j_mayer | } else {
|
1200 | 4c9649a9 | j_mayer | /* the page is not in the TLB : fill it */
|
1201 | 4c9649a9 | j_mayer | retaddr = GETPC(); |
1202 | 4c9649a9 | j_mayer | tlb_fill(T0, 1, is_user, retaddr);
|
1203 | 4c9649a9 | j_mayer | goto redo;
|
1204 | 4c9649a9 | j_mayer | } |
1205 | 4c9649a9 | j_mayer | T0 = physaddr; |
1206 | 4c9649a9 | j_mayer | } |
1207 | 4c9649a9 | j_mayer | |
1208 | 4c9649a9 | j_mayer | #define MMUSUFFIX _mmu
|
1209 | 4c9649a9 | j_mayer | |
1210 | 4c9649a9 | j_mayer | #define SHIFT 0 |
1211 | 4c9649a9 | j_mayer | #include "softmmu_template.h" |
1212 | 4c9649a9 | j_mayer | |
1213 | 4c9649a9 | j_mayer | #define SHIFT 1 |
1214 | 4c9649a9 | j_mayer | #include "softmmu_template.h" |
1215 | 4c9649a9 | j_mayer | |
1216 | 4c9649a9 | j_mayer | #define SHIFT 2 |
1217 | 4c9649a9 | j_mayer | #include "softmmu_template.h" |
1218 | 4c9649a9 | j_mayer | |
1219 | 4c9649a9 | j_mayer | #define SHIFT 3 |
1220 | 4c9649a9 | j_mayer | #include "softmmu_template.h" |
1221 | 4c9649a9 | j_mayer | |
1222 | 4c9649a9 | j_mayer | /* try to fill the TLB and return an exception if error. If retaddr is
|
1223 | 4c9649a9 | j_mayer | NULL, it means that the function was called in C code (i.e. not
|
1224 | 4c9649a9 | j_mayer | from generated code or from helper.c) */
|
1225 | 4c9649a9 | j_mayer | /* XXX: fix it to restore all registers */
|
1226 | 4c9649a9 | j_mayer | void tlb_fill (target_ulong addr, int is_write, int is_user, void *retaddr) |
1227 | 4c9649a9 | j_mayer | { |
1228 | 4c9649a9 | j_mayer | TranslationBlock *tb; |
1229 | 4c9649a9 | j_mayer | CPUState *saved_env; |
1230 | 4c9649a9 | j_mayer | target_phys_addr_t pc; |
1231 | 4c9649a9 | j_mayer | int ret;
|
1232 | 4c9649a9 | j_mayer | |
1233 | 4c9649a9 | j_mayer | /* XXX: hack to restore env in all cases, even if not called from
|
1234 | 4c9649a9 | j_mayer | generated code */
|
1235 | 4c9649a9 | j_mayer | saved_env = env; |
1236 | 4c9649a9 | j_mayer | env = cpu_single_env; |
1237 | 4c9649a9 | j_mayer | ret = cpu_alpha_handle_mmu_fault(env, addr, is_write, is_user, 1);
|
1238 | 4c9649a9 | j_mayer | if (!likely(ret == 0)) { |
1239 | 4c9649a9 | j_mayer | if (likely(retaddr)) {
|
1240 | 4c9649a9 | j_mayer | /* now we have a real cpu fault */
|
1241 | 4c9649a9 | j_mayer | pc = (target_phys_addr_t)retaddr; |
1242 | 4c9649a9 | j_mayer | tb = tb_find_pc(pc); |
1243 | 4c9649a9 | j_mayer | if (likely(tb)) {
|
1244 | 4c9649a9 | j_mayer | /* the PC is inside the translated code. It means that we have
|
1245 | 4c9649a9 | j_mayer | a virtual CPU fault */
|
1246 | 4c9649a9 | j_mayer | cpu_restore_state(tb, env, pc, NULL);
|
1247 | 4c9649a9 | j_mayer | } |
1248 | 4c9649a9 | j_mayer | } |
1249 | 4c9649a9 | j_mayer | /* Exception index and error code are already set */
|
1250 | 4c9649a9 | j_mayer | cpu_loop_exit(); |
1251 | 4c9649a9 | j_mayer | } |
1252 | 4c9649a9 | j_mayer | env = saved_env; |
1253 | 4c9649a9 | j_mayer | } |
1254 | 4c9649a9 | j_mayer | |
1255 | 4c9649a9 | j_mayer | #endif |