1 /* 2 * Tiny Code Generator for QEMU 3 * 4 * Copyright (c) 2008 Fabrice Bellard 5 * 6 * Permission is hereby granted, free of charge, to any person obtaining a copy 7 * of this software and associated documentation files (the "Software"), to deal 8 * in the Software without restriction, including without limitation the rights 9 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell 10 * copies of the Software, and to permit persons to whom the Software is 11 * furnished to do so, subject to the following conditions: 12 * 13 * The above copyright notice and this permission notice shall be included in 14 * all copies or substantial portions of the Software. 15 * 16 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR 17 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, 18 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL 19 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER 20 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, 21 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN 22 * THE SOFTWARE. 23 */ 24 #include "qemu/osdep.h" 25 #include "qemu/host-utils.h" 26 #include "cpu.h" 27 #include "exec/helper-proto-common.h" 28 #include "exec/cpu_ldst.h" 29 #include "exec/exec-all.h" 30 #include "disas/disas.h" 31 #include "exec/log.h" 32 #include "tcg/tcg.h" 33 34 #define HELPER_H "accel/tcg/tcg-runtime.h" 35 #include "exec/helper-info.c.inc" 36 #undef HELPER_H 37 38 /* 32-bit helpers */ 39 40 int32_t HELPER(div_i32)(int32_t arg1, int32_t arg2) 41 { 42 return arg1 / arg2; 43 } 44 45 int32_t HELPER(rem_i32)(int32_t arg1, int32_t arg2) 46 { 47 return arg1 % arg2; 48 } 49 50 uint32_t HELPER(divu_i32)(uint32_t arg1, uint32_t arg2) 51 { 52 return arg1 / arg2; 53 } 54 55 uint32_t HELPER(remu_i32)(uint32_t arg1, uint32_t arg2) 56 { 57 return arg1 % arg2; 58 } 59 60 /* 64-bit helpers */ 61 62 uint64_t HELPER(shl_i64)(uint64_t arg1, uint64_t arg2) 63 { 64 return arg1 << arg2; 65 } 66 67 uint64_t HELPER(shr_i64)(uint64_t arg1, uint64_t arg2) 68 { 69 return arg1 >> arg2; 70 } 71 72 int64_t HELPER(sar_i64)(int64_t arg1, int64_t arg2) 73 { 74 return arg1 >> arg2; 75 } 76 77 int64_t HELPER(div_i64)(int64_t arg1, int64_t arg2) 78 { 79 return arg1 / arg2; 80 } 81 82 int64_t HELPER(rem_i64)(int64_t arg1, int64_t arg2) 83 { 84 return arg1 % arg2; 85 } 86 87 uint64_t HELPER(divu_i64)(uint64_t arg1, uint64_t arg2) 88 { 89 return arg1 / arg2; 90 } 91 92 uint64_t HELPER(remu_i64)(uint64_t arg1, uint64_t arg2) 93 { 94 return arg1 % arg2; 95 } 96 97 uint64_t HELPER(muluh_i64)(uint64_t arg1, uint64_t arg2) 98 { 99 uint64_t l, h; 100 mulu64(&l, &h, arg1, arg2); 101 return h; 102 } 103 104 int64_t HELPER(mulsh_i64)(int64_t arg1, int64_t arg2) 105 { 106 uint64_t l, h; 107 muls64(&l, &h, arg1, arg2); 108 return h; 109 } 110 111 uint32_t HELPER(clz_i32)(uint32_t arg, uint32_t zero_val) 112 { 113 return arg ? clz32(arg) : zero_val; 114 } 115 116 uint32_t HELPER(ctz_i32)(uint32_t arg, uint32_t zero_val) 117 { 118 return arg ? ctz32(arg) : zero_val; 119 } 120 121 uint64_t HELPER(clz_i64)(uint64_t arg, uint64_t zero_val) 122 { 123 return arg ? clz64(arg) : zero_val; 124 } 125 126 uint64_t HELPER(ctz_i64)(uint64_t arg, uint64_t zero_val) 127 { 128 return arg ? ctz64(arg) : zero_val; 129 } 130 131 uint32_t HELPER(clrsb_i32)(uint32_t arg) 132 { 133 return clrsb32(arg); 134 } 135 136 uint64_t HELPER(clrsb_i64)(uint64_t arg) 137 { 138 return clrsb64(arg); 139 } 140 141 uint32_t HELPER(ctpop_i32)(uint32_t arg) 142 { 143 return ctpop32(arg); 144 } 145 146 uint64_t HELPER(ctpop_i64)(uint64_t arg) 147 { 148 return ctpop64(arg); 149 } 150 151 void HELPER(exit_atomic)(CPUArchState *env) 152 { 153 cpu_loop_exit_atomic(env_cpu(env), GETPC()); 154 } 155