4 * Copyright (c) 2008 Fabrice Bellard
6 * This library is free software; you can redistribute it and/or
7 * modify it under the terms of the GNU Lesser General Public
8 * License as published by the Free Software Foundation; either
9 * version 2 of the License, or (at your option) any later version.
11 * This library is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
14 * Lesser General Public License for more details.
16 * You should have received a copy of the GNU Lesser General Public
17 * License along with this library; if not, see <http://www.gnu.org/licenses/>.
20 #define DATA_BITS (1 << (3 + SHIFT))
21 #define SHIFT_MASK (DATA_BITS - 1)
23 #define SHIFT1_MASK 0x1f
25 #define SHIFT1_MASK 0x3f
30 #define DATA_MASK 0xff
33 #define DATA_MASK 0xffff
36 #define DATA_MASK 0xffffffff
39 #define DATA_MASK 0xffffffffffffffffULL
41 #error unhandled operand size
44 target_ulong glue(helper_rcl, SUFFIX)(CPUX86State *env, target_ulong t0,
51 count = t1 & SHIFT1_MASK;
53 count = rclw_table[count];
55 count = rclb_table[count];
61 res = (t0 << count) | ((target_ulong)(eflags & CC_C) << (count - 1));
63 res |= t0 >> (DATA_BITS + 1 - count);
66 env->cc_src = (eflags & ~(CC_C | CC_O)) |
67 (lshift(src ^ t0, 11 - (DATA_BITS - 1)) & CC_O) |
68 ((src >> (DATA_BITS - count)) & CC_C);
73 target_ulong glue(helper_rcr, SUFFIX)(CPUX86State *env, target_ulong t0,
80 count = t1 & SHIFT1_MASK;
82 count = rclw_table[count];
84 count = rclb_table[count];
91 ((target_ulong)(eflags & CC_C) << (DATA_BITS - count));
93 res |= t0 << (DATA_BITS + 1 - count);
96 env->cc_src = (eflags & ~(CC_C | CC_O)) |
97 (lshift(src ^ t0, 11 - (DATA_BITS - 1)) & CC_O) |
98 ((src >> (count - 1)) & CC_C);