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 <stdarg.h> 25 #include <stdlib.h> 26 #include <stdio.h> 27 #include <string.h> 28 #include <inttypes.h> 29 30 #include "qemu/host-utils.h" 31 32 /* 32-bit helpers */ 33 34 int32_t tcg_helper_div_i32(int32_t arg1, int32_t arg2) 35 { 36 return arg1 / arg2; 37 } 38 39 int32_t tcg_helper_rem_i32(int32_t arg1, int32_t arg2) 40 { 41 return arg1 % arg2; 42 } 43 44 uint32_t tcg_helper_divu_i32(uint32_t arg1, uint32_t arg2) 45 { 46 return arg1 / arg2; 47 } 48 49 uint32_t tcg_helper_remu_i32(uint32_t arg1, uint32_t arg2) 50 { 51 return arg1 % arg2; 52 } 53 54 /* 64-bit helpers */ 55 56 int64_t tcg_helper_shl_i64(int64_t arg1, int64_t arg2) 57 { 58 return arg1 << arg2; 59 } 60 61 int64_t tcg_helper_shr_i64(int64_t arg1, int64_t arg2) 62 { 63 return (uint64_t)arg1 >> arg2; 64 } 65 66 int64_t tcg_helper_sar_i64(int64_t arg1, int64_t arg2) 67 { 68 return arg1 >> arg2; 69 } 70 71 int64_t tcg_helper_div_i64(int64_t arg1, int64_t arg2) 72 { 73 return arg1 / arg2; 74 } 75 76 int64_t tcg_helper_rem_i64(int64_t arg1, int64_t arg2) 77 { 78 return arg1 % arg2; 79 } 80 81 uint64_t tcg_helper_divu_i64(uint64_t arg1, uint64_t arg2) 82 { 83 return arg1 / arg2; 84 } 85 86 uint64_t tcg_helper_remu_i64(uint64_t arg1, uint64_t arg2) 87 { 88 return arg1 % arg2; 89 } 90 91 uint64_t tcg_helper_muluh_i64(uint64_t arg1, uint64_t arg2) 92 { 93 uint64_t l, h; 94 mulu64(&l, &h, arg1, arg2); 95 return h; 96 } 97 98 int64_t tcg_helper_mulsh_i64(int64_t arg1, int64_t arg2) 99 { 100 uint64_t l, h; 101 muls64(&l, &h, arg1, arg2); 102 return h; 103 } 104
