2
0

tcg-runtime.c 2.4 KB

123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475767778798081828384858687888990919293949596979899
  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 <stdint.h>
  25. #include "qemu/host-utils.h"
  26. #include "tcg/tcg-runtime.h"
  27. /* 32-bit helpers */
  28. int32_t tcg_helper_div_i32(int32_t arg1, int32_t arg2)
  29. {
  30. return arg1 / arg2;
  31. }
  32. int32_t tcg_helper_rem_i32(int32_t arg1, int32_t arg2)
  33. {
  34. return arg1 % arg2;
  35. }
  36. uint32_t tcg_helper_divu_i32(uint32_t arg1, uint32_t arg2)
  37. {
  38. return arg1 / arg2;
  39. }
  40. uint32_t tcg_helper_remu_i32(uint32_t arg1, uint32_t arg2)
  41. {
  42. return arg1 % arg2;
  43. }
  44. /* 64-bit helpers */
  45. int64_t tcg_helper_shl_i64(int64_t arg1, int64_t arg2)
  46. {
  47. return arg1 << arg2;
  48. }
  49. int64_t tcg_helper_shr_i64(int64_t arg1, int64_t arg2)
  50. {
  51. return (uint64_t)arg1 >> arg2;
  52. }
  53. int64_t tcg_helper_sar_i64(int64_t arg1, int64_t arg2)
  54. {
  55. return arg1 >> arg2;
  56. }
  57. int64_t tcg_helper_div_i64(int64_t arg1, int64_t arg2)
  58. {
  59. return arg1 / arg2;
  60. }
  61. int64_t tcg_helper_rem_i64(int64_t arg1, int64_t arg2)
  62. {
  63. return arg1 % arg2;
  64. }
  65. uint64_t tcg_helper_divu_i64(uint64_t arg1, uint64_t arg2)
  66. {
  67. return arg1 / arg2;
  68. }
  69. uint64_t tcg_helper_remu_i64(uint64_t arg1, uint64_t arg2)
  70. {
  71. return arg1 % arg2;
  72. }
  73. uint64_t tcg_helper_muluh_i64(uint64_t arg1, uint64_t arg2)
  74. {
  75. uint64_t l, h;
  76. mulu64(&l, &h, arg1, arg2);
  77. return h;
  78. }
  79. int64_t tcg_helper_mulsh_i64(int64_t arg1, int64_t arg2)
  80. {
  81. uint64_t l, h;
  82. muls64(&l, &h, arg1, arg2);
  83. return h;
  84. }