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fixed_point_bit_widths.c

fixed_point_bit_widths.c 7.9 KB
Riwayat Mentahan

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  1. // RUN: %clang -x c -ffixed-point -S -emit-llvm -o - %s | FileCheck %s
    2. 

  2. // RUN: %clang -x c -ffixed-point -S -emit-llvm -o - --target=x86_64-scei-ps4-ubuntu-fast %s | FileCheck %s
    3. 

  3. // RUN: %clang -x c -ffixed-point -S -emit-llvm -o - --target=ppc64 %s | FileCheck %s
    4. 

  4. // RUN: %clang -x c -ffixed-point -S -emit-llvm -o - --target=x86_64-scei-ps4-windows10pro-fast %s | FileCheck %s
    5. 

  5. 

  6. /* Primary signed _Accum */
    7. 

  7. 

  8. int size_SsA = sizeof(signed short _Accum);
    9. 

  9. int size_SA  = sizeof(signed _Accum);
    10. 

  10. int size_SlA = sizeof(signed long _Accum);
    11. 

  11. int align_SsA = __alignof(signed short _Accum);
    12. 

  12. int align_SA  = __alignof(signed _Accum);
    13. 

  13. int align_SlA = __alignof(signed long _Accum);
    14. 

  14. 

  15. // CHECK:      @size_SsA  = {{.*}}global i{{[0-9]+}} 2
    16. 

  16. // CHECK-NEXT: @size_SA   = {{.*}}global i{{[0-9]+}} 4
    17. 

  17. // CHECK-NEXT: @size_SlA  = {{.*}}global i{{[0-9]+}} 8
    18. 

  18. // CHECK-NEXT: @align_SsA = {{.*}}global i{{[0-9]+}} 2
    19. 

  19. // CHECK-NEXT: @align_SA  = {{.*}}global i{{[0-9]+}} 4
    20. 

  20. // CHECK-NEXT: @align_SlA = {{.*}}global i{{[0-9]+}} 8
    21. 

  21. 

  22. /* Primary unsigned _Accum */
    23. 

  23. 

  24. int size_UsA = sizeof(unsigned short _Accum);
    25. 

  25. int size_UA  = sizeof(unsigned _Accum);
    26. 

  26. int size_UlA = sizeof(unsigned long _Accum);
    27. 

  27. int align_UsA = __alignof(unsigned short _Accum);
    28. 

  28. int align_UA  = __alignof(unsigned _Accum);
    29. 

  29. int align_UlA = __alignof(unsigned long _Accum);
    30. 

  30. 

  31. // CHECK-NEXT: @size_UsA  = {{.*}}global i{{[0-9]+}} 2
    32. 

  32. // CHECK-NEXT: @size_UA   = {{.*}}global i{{[0-9]+}} 4
    33. 

  33. // CHECK-NEXT: @size_UlA  = {{.*}}global i{{[0-9]+}} 8
    34. 

  34. // CHECK-NEXT: @align_UsA = {{.*}}global i{{[0-9]+}} 2
    35. 

  35. // CHECK-NEXT: @align_UA  = {{.*}}global i{{[0-9]+}} 4
    36. 

  36. // CHECK-NEXT: @align_UlA = {{.*}}global i{{[0-9]+}} 8
    37. 

  37. 

  38. /* Primary signed _Fract */
    39. 

  39. 

  40. int size_SsF = sizeof(signed short _Fract);
    41. 

  41. int size_SF  = sizeof(signed _Fract);
    42. 

  42. int size_SlF = sizeof(signed long _Fract);
    43. 

  43. int align_SsF = __alignof(signed short _Fract);
    44. 

  44. int align_SF  = __alignof(signed _Fract);
    45. 

  45. int align_SlF = __alignof(signed long _Fract);
    46. 

  46. 

  47. // CHECK-NEXT: @size_SsF  = {{.*}}global i{{[0-9]+}} 1
    48. 

  48. // CHECK-NEXT: @size_SF   = {{.*}}global i{{[0-9]+}} 2
    49. 

  49. // CHECK-NEXT: @size_SlF  = {{.*}}global i{{[0-9]+}} 4
    50. 

  50. // CHECK-NEXT: @align_SsF = {{.*}}global i{{[0-9]+}} 1
    51. 

  51. // CHECK-NEXT: @align_SF  = {{.*}}global i{{[0-9]+}} 2
    52. 

  52. // CHECK-NEXT: @align_SlF = {{.*}}global i{{[0-9]+}} 4
    53. 

  53. 

  54. /* Primary unsigned _Fract */
    55. 

  55. 

  56. int size_UsF = sizeof(unsigned short _Fract);
    57. 

  57. int size_UF  = sizeof(unsigned _Fract);
    58. 

  58. int size_UlF = sizeof(unsigned long _Fract);
    59. 

  59. int align_UsF = __alignof(unsigned short _Fract);
    60. 

  60. int align_UF  = __alignof(unsigned _Fract);
    61. 

  61. int align_UlF = __alignof(unsigned long _Fract);
    62. 

  62. 

  63. // CHECK-NEXT: @size_UsF  = {{.*}}global i{{[0-9]+}} 1
    64. 

  64. // CHECK-NEXT: @size_UF   = {{.*}}global i{{[0-9]+}} 2
    65. 

  65. // CHECK-NEXT: @size_UlF  = {{.*}}global i{{[0-9]+}} 4
    66. 

  66. // CHECK-NEXT: @align_UsF = {{.*}}global i{{[0-9]+}} 1
    67. 

  67. // CHECK-NEXT: @align_UF  = {{.*}}global i{{[0-9]+}} 2
    68. 

  68. // CHECK-NEXT: @align_UlF = {{.*}}global i{{[0-9]+}} 4
    69. 

  69. 

  70. /* Aliased _Accum */
    71. 

  71. 

  72. int size_sA = sizeof(short _Accum);
    73. 

  73. int size_A  = sizeof(_Accum);
    74. 

  74. int size_lA = sizeof(long _Accum);
    75. 

  75. int align_sA = __alignof(short _Accum);
    76. 

  76. int align_A  = __alignof(_Accum);
    77. 

  77. int align_lA = __alignof(long _Accum);
    78. 

  78. 

  79. // CHECK-NEXT: @size_sA   = {{.*}}global i{{[0-9]+}} 2
    80. 

  80. // CHECK-NEXT: @size_A    = {{.*}}global i{{[0-9]+}} 4
    81. 

  81. // CHECK-NEXT: @size_lA   = {{.*}}global i{{[0-9]+}} 8
    82. 

  82. // CHECK-NEXT: @align_sA  = {{.*}}global i{{[0-9]+}} 2
    83. 

  83. // CHECK-NEXT: @align_A   = {{.*}}global i{{[0-9]+}} 4
    84. 

  84. // CHECK-NEXT: @align_lA  = {{.*}}global i{{[0-9]+}} 8
    85. 

  85. 

  86. /* Aliased _Fract */
    87. 

  87. 

  88. int size_sF = sizeof(short _Fract);
    89. 

  89. int size_F  = sizeof(_Fract);
    90. 

  90. int size_lF = sizeof(long _Fract);
    91. 

  91. int align_sF = __alignof(short _Fract);
    92. 

  92. int align_F  = __alignof(_Fract);
    93. 

  93. int align_lF = __alignof(long _Fract);
    94. 

  94. 

  95. // CHECK-NEXT: @size_sF   = {{.*}}global i{{[0-9]+}} 1
    96. 

  96. // CHECK-NEXT: @size_F    = {{.*}}global i{{[0-9]+}} 2
    97. 

  97. // CHECK-NEXT: @size_lF   = {{.*}}global i{{[0-9]+}} 4
    98. 

  98. // CHECK-NEXT: @align_sF  = {{.*}}global i{{[0-9]+}} 1
    99. 

  99. // CHECK-NEXT: @align_F   = {{.*}}global i{{[0-9]+}} 2
    100. 

  100. // CHECK-NEXT: @align_lF  = {{.*}}global i{{[0-9]+}} 4
    101. 

  101. 

  102. /* Saturated signed _Accum */
    103. 

  103. 

  104. int size_SatSsA = sizeof(_Sat signed short _Accum);
    105. 

  105. int size_SatSA  = sizeof(_Sat signed _Accum);
    106. 

  106. int size_SatSlA = sizeof(_Sat signed long _Accum);
    107. 

  107. int align_SatSsA = __alignof(_Sat signed short _Accum);
    108. 

  108. int align_SatSA  = __alignof(_Sat signed _Accum);
    109. 

  109. int align_SatSlA = __alignof(_Sat signed long _Accum);
    110. 

  110. 

  111. // CHECK:      @size_SatSsA  = {{.*}}global i{{[0-9]+}} 2
    112. 

  112. // CHECK-NEXT: @size_SatSA   = {{.*}}global i{{[0-9]+}} 4
    113. 

  113. // CHECK-NEXT: @size_SatSlA  = {{.*}}global i{{[0-9]+}} 8
    114. 

  114. // CHECK-NEXT: @align_SatSsA = {{.*}}global i{{[0-9]+}} 2
    115. 

  115. // CHECK-NEXT: @align_SatSA  = {{.*}}global i{{[0-9]+}} 4
    116. 

  116. // CHECK-NEXT: @align_SatSlA = {{.*}}global i{{[0-9]+}} 8
    117. 

  117. 

  118. /* Saturated unsigned _Accum */
    119. 

  119. 

  120. int size_SatUsA = sizeof(_Sat unsigned short _Accum);
    121. 

  121. int size_SatUA  = sizeof(_Sat unsigned _Accum);
    122. 

  122. int size_SatUlA = sizeof(_Sat unsigned long _Accum);
    123. 

  123. int align_SatUsA = __alignof(_Sat unsigned short _Accum);
    124. 

  124. int align_SatUA  = __alignof(_Sat unsigned _Accum);
    125. 

  125. int align_SatUlA = __alignof(_Sat unsigned long _Accum);
    126. 

  126. 

  127. // CHECK-NEXT: @size_SatUsA  = {{.*}}global i{{[0-9]+}} 2
    128. 

  128. // CHECK-NEXT: @size_SatUA   = {{.*}}global i{{[0-9]+}} 4
    129. 

  129. // CHECK-NEXT: @size_SatUlA  = {{.*}}global i{{[0-9]+}} 8
    130. 

  130. // CHECK-NEXT: @align_SatUsA = {{.*}}global i{{[0-9]+}} 2
    131. 

  131. // CHECK-NEXT: @align_SatUA  = {{.*}}global i{{[0-9]+}} 4
    132. 

  132. // CHECK-NEXT: @align_SatUlA = {{.*}}global i{{[0-9]+}} 8
    133. 

  133. 

  134. /* Saturated signed _Fract */
    135. 

  135. 

  136. int size_SatSsF = sizeof(_Sat signed short _Fract);
    137. 

  137. int size_SatSF  = sizeof(_Sat signed _Fract);
    138. 

  138. int size_SatSlF = sizeof(_Sat signed long _Fract);
    139. 

  139. int align_SatSsF = __alignof(_Sat signed short _Fract);
    140. 

  140. int align_SatSF  = __alignof(_Sat signed _Fract);
    141. 

  141. int align_SatSlF = __alignof(_Sat signed long _Fract);
    142. 

  142. 

  143. // CHECK-NEXT: @size_SatSsF  = {{.*}}global i{{[0-9]+}} 1
    144. 

  144. // CHECK-NEXT: @size_SatSF   = {{.*}}global i{{[0-9]+}} 2
    145. 

  145. // CHECK-NEXT: @size_SatSlF  = {{.*}}global i{{[0-9]+}} 4
    146. 

  146. // CHECK-NEXT: @align_SatSsF = {{.*}}global i{{[0-9]+}} 1
    147. 

  147. // CHECK-NEXT: @align_SatSF  = {{.*}}global i{{[0-9]+}} 2
    148. 

  148. // CHECK-NEXT: @align_SatSlF = {{.*}}global i{{[0-9]+}} 4
    149. 

  149. 

  150. /* Saturated unsigned _Fract */
    151. 

  151. 

  152. int size_SatUsF = sizeof(_Sat unsigned short _Fract);
    153. 

  153. int size_SatUF  = sizeof(_Sat unsigned _Fract);
    154. 

  154. int size_SatUlF = sizeof(_Sat unsigned long _Fract);
    155. 

  155. int align_SatUsF = __alignof(_Sat unsigned short _Fract);
    156. 

  156. int align_SatUF  = __alignof(_Sat unsigned _Fract);
    157. 

  157. int align_SatUlF = __alignof(_Sat unsigned long _Fract);
    158. 

  158. 

  159. // CHECK-NEXT: @size_SatUsF  = {{.*}}global i{{[0-9]+}} 1
    160. 

  160. // CHECK-NEXT: @size_SatUF   = {{.*}}global i{{[0-9]+}} 2
    161. 

  161. // CHECK-NEXT: @size_SatUlF  = {{.*}}global i{{[0-9]+}} 4
    162. 

  162. // CHECK-NEXT: @align_SatUsF = {{.*}}global i{{[0-9]+}} 1
    163. 

  163. // CHECK-NEXT: @align_SatUF  = {{.*}}global i{{[0-9]+}} 2
    164. 

  164. // CHECK-NEXT: @align_SatUlF = {{.*}}global i{{[0-9]+}} 4
    165. 

  165. 

  166. /* Aliased saturated signed _Accum */
    167. 

  167. 

  168. int size_SatsA = sizeof(_Sat short _Accum);
    169. 

  169. int size_SatA  = sizeof(_Sat _Accum);
    170. 

  170. int size_SatlA = sizeof(_Sat long _Accum);
    171. 

  171. int align_SatsA = __alignof(_Sat short _Accum);
    172. 

  172. int align_SatA  = __alignof(_Sat _Accum);
    173. 

  173. int align_SatlA = __alignof(_Sat long _Accum);
    174. 

  174. 

  175. // CHECK-NEXT: @size_SatsA   = {{.*}}global i{{[0-9]+}} 2
    176. 

  176. // CHECK-NEXT: @size_SatA    = {{.*}}global i{{[0-9]+}} 4
    177. 

  177. // CHECK-NEXT: @size_SatlA   = {{.*}}global i{{[0-9]+}} 8
    178. 

  178. // CHECK-NEXT: @align_SatsA  = {{.*}}global i{{[0-9]+}} 2
    179. 

  179. // CHECK-NEXT: @align_SatA   = {{.*}}global i{{[0-9]+}} 4
    180. 

  180. // CHECK-NEXT: @align_SatlA  = {{.*}}global i{{[0-9]+}} 8
    181. 

  181. 

  182. /* Aliased saturated _Fract */
    183. 

  183. 

  184. int size_SatsF = sizeof(_Sat short _Fract);
    185. 

  185. int size_SatF  = sizeof(_Sat _Fract);
    186. 

  186. int size_SatlF = sizeof(_Sat long _Fract);
    187. 

  187. int align_SatsF = __alignof(_Sat short _Fract);
    188. 

  188. int align_SatF  = __alignof(_Sat _Fract);
    189. 

  189. int align_SatlF = __alignof(_Sat long _Fract);
    190. 

  190. 

  191. // CHECK-NEXT: @size_SatsF   = {{.*}}global i{{[0-9]+}} 1
    192. 

  192. // CHECK-NEXT: @size_SatF    = {{.*}}global i{{[0-9]+}} 2
    193. 

  193. // CHECK-NEXT: @size_SatlF   = {{.*}}global i{{[0-9]+}} 4
    194. 

  194. // CHECK-NEXT: @align_SatsF  = {{.*}}global i{{[0-9]+}} 1
    195. 

  195. // CHECK-NEXT: @align_SatF   = {{.*}}global i{{[0-9]+}} 2
    196. 

  196. // CHECK-NEXT: @align_SatlF  = {{.*}}global i{{[0-9]+}} 4
    197.