clang/test/Sema/builtins-arm.c

   1 // RUN: %clang_cc1 -triple armv7 -fsyntax-only -verify %s
   2 // RUN: %clang_cc1 -triple armv7 -target-abi apcs-gnu \
   3 // RUN:   -fsyntax-only -verify %s
   4
   5 #include <arm_acle.h>
   6
   7 void f(void *a, void *b) {
   8   __clear_cache(); // expected-error {{too few arguments to function call, expected 2, have 0}} // expected-note {{'__clear_cache' is a builtin with type 'void (void *, void *)}}
   9   __clear_cache(a); // expected-error {{too few arguments to function call, expected 2, have 1}}
  10   __clear_cache(a, b);
  11 }
  12
  13 void __clear_cache(char*, char*); // expected-error {{conflicting types for '__clear_cache'}}
  14 void __clear_cache(void*, void*);
  15
  16 #if defined(__ARM_PCS) || defined(__ARM_EABI__)
  17 // va_list on ARM AAPCS is struct { void* __ap }.
  18 void test1(void) {
  19   __builtin_va_list ptr;
  20   ptr.__ap = "x";
  21   *(ptr.__ap) = '0'; // expected-error {{incomplete type 'void' is not assignable}}
  22 }
  23 #else
  24 // va_list on ARM apcs-gnu is void*.
  25 void test1(void) {
  26   __builtin_va_list ptr;
  27   ptr.__ap = "x";  // expected-error {{member reference base type '__builtin_va_list' is not a structure or union}}
  28   *(ptr.__ap) = '0';// expected-error {{member reference base type '__builtin_va_list' is not a structure or union}}
  29 }
  30
  31 void test2(void) {
  32   __builtin_va_list ptr = "x";
  33   *ptr = '0'; // expected-error {{incomplete type 'void' is not assignable}}
  34 }
  35 #endif
  36
  37 void test3(void) {
  38   __builtin_arm_dsb(16); // expected-error-re {{argument value {{.*}} is outside the valid range}}
  39   __builtin_arm_dmb(17); // expected-error-re {{argument value {{.*}} is outside the valid range}}
  40   __builtin_arm_isb(18); // expected-error-re {{argument value {{.*}} is outside the valid range}}
  41 }
  42
  43 void test4(void) {
  44   __builtin_arm_prefetch(0, 2, 0); // expected-error-re {{argument value {{.*}} is outside the valid range}}
  45   __builtin_arm_prefetch(0, 0, 2); // expected-error-re {{argument value {{.*}} is outside the valid range}}
  46 }
  47
  48 void test5(void) {
  49   __builtin_arm_dbg(16); // expected-error-re {{argument value {{.*}} is outside the valid range}}
  50 }
  51
  52 void test6(int a, int b, int c) {
  53   __builtin_arm_ldc(1, 2, &a);
  54   __builtin_arm_ldc(a, 2, &a); // expected-error {{argument to '__builtin_arm_ldc' must be a constant integer}}
  55   __builtin_arm_ldc(1, a, &a); // expected-error {{argument to '__builtin_arm_ldc' must be a constant integer}}
  56
  57   __builtin_arm_ldcl(1, 2, &a);
  58   __builtin_arm_ldcl(a, 2, &a); // expected-error {{argument to '__builtin_arm_ldcl' must be a constant integer}}
  59   __builtin_arm_ldcl(1, a, &a); // expected-error {{argument to '__builtin_arm_ldcl' must be a constant integer}}
  60
  61   __builtin_arm_ldc2(1, 2, &a);
  62   __builtin_arm_ldc2(a, 2, &a); // expected-error {{argument to '__builtin_arm_ldc2' must be a constant integer}}
  63   __builtin_arm_ldc2(1, a, &a); // expected-error {{argument to '__builtin_arm_ldc2' must be a constant integer}}
  64
  65   __builtin_arm_ldc2l(1, 2, &a);
  66   __builtin_arm_ldc2l(a, 2, &a); // expected-error {{argument to '__builtin_arm_ldc2l' must be a constant integer}}
  67   __builtin_arm_ldc2l(1, a, &a); // expected-error {{argument to '__builtin_arm_ldc2l' must be a constant integer}}
  68
  69   __builtin_arm_stc(1, 2, &a);
  70   __builtin_arm_stc(a, 2, &a); // expected-error {{argument to '__builtin_arm_stc' must be a constant integer}}
  71   __builtin_arm_stc(1, a, &a); // expected-error {{argument to '__builtin_arm_stc' must be a constant integer}}
  72
  73   __builtin_arm_stcl(1, 2, &a);
  74   __builtin_arm_stcl(a, 2, &a); // expected-error {{argument to '__builtin_arm_stcl' must be a constant integer}}
  75   __builtin_arm_stcl(1, a, &a); // expected-error {{argument to '__builtin_arm_stcl' must be a constant integer}}
  76
  77   __builtin_arm_stc2(1, 2, &a);
  78   __builtin_arm_stc2(a, 2, &a); // expected-error {{argument to '__builtin_arm_stc2' must be a constant integer}}
  79   __builtin_arm_stc2(1, a, &a); // expected-error {{argument to '__builtin_arm_stc2' must be a constant integer}}
  80
  81   __builtin_arm_stc2l(1, 2, &a);
  82   __builtin_arm_stc2l(a, 2, &a); // expected-error {{argument to '__builtin_arm_stc2l' must be a constant integer}}
  83   __builtin_arm_stc2l(1, a, &a); // expected-error {{argument to '__builtin_arm_stc2l' must be a constant integer}}
  84
  85   __builtin_arm_cdp(a, 2, 3, 4, 5, 6); // expected-error {{argument to '__builtin_arm_cdp' must be a constant integer}}
  86   __builtin_arm_cdp(1, a, 3, 4, 5, 6); // expected-error {{argument to '__builtin_arm_cdp' must be a constant integer}}
  87   __builtin_arm_cdp(1, 2, a, 4, 5, 6); // expected-error {{argument to '__builtin_arm_cdp' must be a constant integer}}
  88   __builtin_arm_cdp(1, 2, 3, a, 5, 6); // expected-error {{argument to '__builtin_arm_cdp' must be a constant integer}}
  89   __builtin_arm_cdp(1, 2, 3, 4, 5, a); // expected-error {{argument to '__builtin_arm_cdp' must be a constant integer}}
  90
  91   __builtin_arm_cdp2(a, 2, 3, 4, 5, 6); // expected-error {{argument to '__builtin_arm_cdp2' must be a constant integer}}
  92   __builtin_arm_cdp2(1, a, 3, 4, 5, 6); // expected-error {{argument to '__builtin_arm_cdp2' must be a constant integer}}
  93   __builtin_arm_cdp2(1, 2, a, 4, 5, 6); // expected-error {{argument to '__builtin_arm_cdp2' must be a constant integer}}
  94   __builtin_arm_cdp2(1, 2, 3, a, 5, 6); // expected-error {{argument to '__builtin_arm_cdp2' must be a constant integer}}
  95   __builtin_arm_cdp2(1, 2, 3, 4, 5, a); // expected-error {{argument to '__builtin_arm_cdp2' must be a constant integer}}
  96
  97   __builtin_arm_mrc( a, 0, 13, 0, 3); // expected-error {{argument to '__builtin_arm_mrc' must be a constant integer}}
  98   __builtin_arm_mrc(15, a, 13, 0, 3); // expected-error {{argument to '__builtin_arm_mrc' must be a constant integer}}
  99   __builtin_arm_mrc(15, 0,  a, 0, 3); // expected-error {{argument to '__builtin_arm_mrc' must be a constant integer}}
 100   __builtin_arm_mrc(15, 0, 13, a, 3); // expected-error {{argument to '__builtin_arm_mrc' must be a constant integer}}
 101   __builtin_arm_mrc(15, 0, 13, 0, a); // expected-error {{argument to '__builtin_arm_mrc' must be a constant integer}}
 102
 103   __builtin_arm_mrc2( a, 0, 13, 0, 3); // expected-error {{argument to '__builtin_arm_mrc2' must be a constant integer}}
 104   __builtin_arm_mrc2(15, a, 13, 0, 3); // expected-error {{argument to '__builtin_arm_mrc2' must be a constant integer}}
 105   __builtin_arm_mrc2(15, 0,  a, 0, 3); // expected-error {{argument to '__builtin_arm_mrc2' must be a constant integer}}
 106   __builtin_arm_mrc2(15, 0, 13, a, 3); // expected-error {{argument to '__builtin_arm_mrc2' must be a constant integer}}
 107   __builtin_arm_mrc2(15, 0, 13, 0, a); // expected-error {{argument to '__builtin_arm_mrc2' must be a constant integer}}
 108
 109   __builtin_arm_mcr( a, 0, b, 13, 0, 3); // expected-error {{argument to '__builtin_arm_mcr' must be a constant integer}}
 110   __builtin_arm_mcr(15, a, b, 13, 0, 3); // expected-error {{argument to '__builtin_arm_mcr' must be a constant integer}}
 111   __builtin_arm_mcr(15, 0, b,  a, 0, 3); // expected-error {{argument to '__builtin_arm_mcr' must be a constant integer}}
 112   __builtin_arm_mcr(15, 0, b, 13, a, 3); // expected-error {{argument to '__builtin_arm_mcr' must be a constant integer}}
 113   __builtin_arm_mcr(15, 0, b, 13, 0, a); // expected-error {{argument to '__builtin_arm_mcr' must be a constant integer}}
 114
 115   __builtin_arm_mcr2( a, 0, b, 13, 0, 3); // expected-error {{argument to '__builtin_arm_mcr2' must be a constant integer}}
 116   __builtin_arm_mcr2(15, a, b, 13, 0, 3); // expected-error {{argument to '__builtin_arm_mcr2' must be a constant integer}}
 117   __builtin_arm_mcr2(15, 0, b,  a, 0, 3); // expected-error {{argument to '__builtin_arm_mcr2' must be a constant integer}}
 118   __builtin_arm_mcr2(15, 0, b, 13, a, 3); // expected-error {{argument to '__builtin_arm_mcr2' must be a constant integer}}
 119   __builtin_arm_mcr2(15, 0, b, 13, 0, a); // expected-error {{argument to '__builtin_arm_mcr2' must be a constant integer}}
 120
 121   __builtin_arm_mcrr(15, 0, b, 0);
 122   __builtin_arm_mcrr( a, 0, b, 0); // expected-error {{argument to '__builtin_arm_mcrr' must be a constant integer}}
 123   __builtin_arm_mcrr(15, a, b, 0); // expected-error {{argument to '__builtin_arm_mcrr' must be a constant integer}}
 124   __builtin_arm_mcrr(15, 0, b, a); // expected-error {{argument to '__builtin_arm_mcrr' must be a constant integer}}
 125
 126   __builtin_arm_mcrr2(15, 0, b, 0);
 127   __builtin_arm_mcrr2( a, 0, b, 0); // expected-error {{argument to '__builtin_arm_mcrr2' must be a constant integer}}
 128   __builtin_arm_mcrr2(15, a, b, 0); // expected-error {{argument to '__builtin_arm_mcrr2' must be a constant integer}}
 129   __builtin_arm_mcrr2(15, 0, b, a); // expected-error {{argument to '__builtin_arm_mcrr2' must be a constant integer}}
 130
 131   __builtin_arm_mrrc(15, 0, 0);
 132   __builtin_arm_mrrc( a, 0, 0); // expected-error {{argument to '__builtin_arm_mrrc' must be a constant integer}}
 133   __builtin_arm_mrrc(15, a, 0); // expected-error {{argument to '__builtin_arm_mrrc' must be a constant integer}}
 134   __builtin_arm_mrrc(15, 0, a); // expected-error {{argument to '__builtin_arm_mrrc' must be a constant integer}}
 135
 136   __builtin_arm_mrrc2(15, 0, 0);
 137   __builtin_arm_mrrc2( a, 0, 0); // expected-error {{argument to '__builtin_arm_mrrc2' must be a constant integer}}
 138   __builtin_arm_mrrc2(15, a, 0); // expected-error {{argument to '__builtin_arm_mrrc2' must be a constant integer}}
 139   __builtin_arm_mrrc2(15, 0, a); // expected-error {{argument to '__builtin_arm_mrrc2' must be a constant integer}}
 140 }
 141
 142 void test_9_3_multiplications(int a, int b) {
 143   int r;
 144   r = __builtin_arm_smulbb(a, b);
 145   r = __builtin_arm_smulbb(1, -9);
 146
 147   r = __builtin_arm_smulbt(a, b);
 148   r = __builtin_arm_smulbt(0, b);
 149
 150   r = __builtin_arm_smultb(a, b);
 151   r = __builtin_arm_smultb(5, b);
 152
 153   r = __builtin_arm_smultt(a, b);
 154   r = __builtin_arm_smultt(a, -1);
 155
 156   r = __builtin_arm_smulwb(a, b);
 157   r = __builtin_arm_smulwb(1, 2);
 158
 159   r = __builtin_arm_smulwt(a, b);
 160   r = __builtin_arm_smulwt(-1, -2);
 161   r = __builtin_arm_smulwt(-1.0f, -2);
 162 }
 163
 164 void test_9_4_1_width_specified_saturation(int a, int b) {
 165   unsigned u;
 166   int s;
 167
 168   s = __builtin_arm_ssat(8, 2);
 169   s = __builtin_arm_ssat(a, 1);
 170   s = __builtin_arm_ssat(a, 32);
 171   s = __builtin_arm_ssat(a, 0);   // expected-error-re {{argument value {{.*}} is outside the valid range}}
 172   s = __builtin_arm_ssat(a, 33);  // expected-error-re {{argument value {{.*}} is outside the valid range}}
 173   s = __builtin_arm_ssat(a, b);   // expected-error {{argument to '__builtin_arm_ssat' must be a constant integer}}
 174
 175   u = __builtin_arm_usat(8, 2);
 176   u = __builtin_arm_usat(a, 0);
 177   u = __builtin_arm_usat(a, 31);
 178   u = __builtin_arm_usat(a, 32);  // expected-error-re {{argument value {{.*}} is outside the valid range}}
 179   u = __builtin_arm_usat(a, b);   // expected-error {{argument to '__builtin_arm_usat' must be a constant integer}}
 180 }
 181
 182 void test_9_4_2_saturating_addition_subtraction(int a, int b) {
 183   int s;
 184   s = __builtin_arm_qadd(a, b);
 185   s = __builtin_arm_qadd(-1, 0);
 186
 187   s = __builtin_arm_qsub(a, b);
 188   s = __builtin_arm_qsub(0, -1);
 189
 190   s = __builtin_arm_qdbl(a);
 191 }
 192
 193 void test_9_4_3_accumulating_multiplications(int a, int b, int c) {
 194   int s;
 195
 196   s = __builtin_arm_smlabb(a, b, c);
 197   s = __builtin_arm_smlabb(1, b, c);
 198   s = __builtin_arm_smlabb(a, 2, c);
 199   s = __builtin_arm_smlabb(a, b, -3);
 200
 201   s = __builtin_arm_smlabt(a, b, c);
 202   s = __builtin_arm_smlabt(1, b, c);
 203   s = __builtin_arm_smlabt(a, 2, c);
 204   s = __builtin_arm_smlabt(a, b, -3);
 205
 206   s = __builtin_arm_smlatb(a, b, c);
 207   s = __builtin_arm_smlatt(1, b, c);
 208   s = __builtin_arm_smlawb(a, 2, c);
 209   s = __builtin_arm_smlawt(a, b, -3);
 210 }
 211
 212 void test_9_5_4_parallel_16bit_saturation(int16x2_t a) {
 213   unsigned u;
 214   int s;
 215
 216   s = __builtin_arm_ssat16(a, 1);
 217   s = __builtin_arm_ssat16(a, 16);
 218   s = __builtin_arm_ssat16(a, 0);  // expected-error-re {{argument value {{.*}} is outside the valid range}}
 219   s = __builtin_arm_ssat16(a, 17); // expected-error-re {{argument value {{.*}} is outside the valid range}}
 220
 221   u = __builtin_arm_usat16(a, 0);
 222   u = __builtin_arm_usat16(a, 15);
 223   u = __builtin_arm_usat16(a, 16); // expected-error-re {{argument value {{.*}} is outside the valid range}}
 224 }
 225
 226 void test_9_5_5_packing_and_unpacking(int16x2_t a, int8x4_t b, uint16x2_t c, uint8x4_t d) {
 227   int16x2_t x;
 228   uint16x2_t y;
 229
 230   x = __builtin_arm_sxtab16(a, b);
 231   x = __builtin_arm_sxtab16(1, -1);
 232   x = __builtin_arm_sxtb16(b);
 233   x = __builtin_arm_sxtb16(-b);
 234
 235   y = __builtin_arm_uxtab16(c, d);
 236   y = __builtin_arm_uxtab16(-1, -2);
 237   y = __builtin_arm_uxtb16(d);
 238   y = __builtin_arm_uxtb16(-1);
 239 }
 240
 241 uint8x4_t
 242 test_9_5_6_parallel_selection(uint8x4_t a, uint8x4_t b) {
 243   return __builtin_arm_sel(a, b);
 244 }
 245
 246 void test_9_5_7_parallel_8bit_addition_substraction(int8x4_t a, int8x4_t b,
 247                                                     uint8x4_t c, uint8x4_t d) {
 248   int8x4_t s;
 249   uint8x4_t u;
 250
 251   s = __builtin_arm_qadd8(a, b);
 252   s = __builtin_arm_qsub8(a, b);
 253   s = __builtin_arm_sadd8(a, b);
 254   s = __builtin_arm_shadd8(a, b);
 255   s = __builtin_arm_shsub8(a, b);
 256   s = __builtin_arm_ssub8(a, b);
 257
 258   u = __builtin_arm_uadd8(c, d);
 259   u = __builtin_arm_uhadd8(c, d);
 260   u = __builtin_arm_uhsub8(c, d);
 261   u = __builtin_arm_uqadd8(c, d);
 262   u = __builtin_arm_uqsub8(c, d);
 263   u = __builtin_arm_usub8(c, d);
 264 }
 265
 266 void test_9_5_8_absolute_differences(uint8x4_t a, uint8x4_t b, uint32_t c) {
 267   uint32_t r;
 268
 269   r = __builtin_arm_usad8(a, b);
 270   r = __builtin_arm_usada8(a, b, c);
 271 }
 272
 273 void test_9_5_9_parallel_addition_and_subtraction(int16x2_t a, int16x2_t b,
 274                                                   uint16x2_t c, uint16x2_t d) {
 275   int16x2_t x;
 276   uint16x2_t y;
 277
 278   x = __builtin_arm_qadd16(a, b);
 279   x = __builtin_arm_qasx(a, b);
 280   x = __builtin_arm_qsax(a, b);
 281   x = __builtin_arm_qsub16(a, b);
 282   x = __builtin_arm_sadd16(a, b);
 283   x = __builtin_arm_sasx(a, b);
 284   x = __builtin_arm_shadd16(a, b);
 285   x = __builtin_arm_shasx(a, b);
 286   x = __builtin_arm_shsax(a, b);
 287   x = __builtin_arm_shsub16(a, b);
 288   x = __builtin_arm_ssax(a, b);
 289   x = __builtin_arm_ssub16(a, b);
 290
 291   y = __builtin_arm_uadd16(c, d);
 292   y = __builtin_arm_uasx(c, d);
 293   y = __builtin_arm_uhadd16(c, d);
 294   y = __builtin_arm_uhasx(c, d);
 295   y = __builtin_arm_uhsax(c, d);
 296   y = __builtin_arm_uhsub16(c, d);
 297   y = __builtin_arm_uqadd16(c, d);
 298   y = __builtin_arm_uqasx(c, d);
 299   y = __builtin_arm_uqsax(c, d);
 300   y = __builtin_arm_uqsub16(c, d);
 301   y = __builtin_arm_usax(c, d);
 302   y = __builtin_arm_usub16(c, d);
 303 }
 304
 305 void test_9_5_10_parallel_16bit_multiplication(int16x2_t a, int16x2_t b,
 306                                                int32_t c, int64_t d) {
 307   int32_t x;
 308   int64_t y;
 309
 310   x = __builtin_arm_smlad(a, b, c);
 311   x = __builtin_arm_smladx(a, b, c);
 312   y = __builtin_arm_smlald(a, b, d);
 313   y = __builtin_arm_smlaldx(a, b, d);
 314   x = __builtin_arm_smlsd(a, b, c);
 315   x = __builtin_arm_smlsdx(a, b, c);
 316   y = __builtin_arm_smlsld(a, b, d);
 317   y = __builtin_arm_smlsldx(a, b, d);
 318   x = __builtin_arm_smuad(a, b);
 319   x = __builtin_arm_smuadx(a, b);
 320   x = __builtin_arm_smusd(a, b);
 321   x = __builtin_arm_smusdx(a, b);
 322 }
 323
 324 void test_VFP(float f, double d) {
 325   float fr;
 326   double dr;
 327
 328   fr = __builtin_arm_vcvtr_f(f, 0);
 329   fr = __builtin_arm_vcvtr_f(f, 1);
 330   fr = __builtin_arm_vcvtr_f(f, -1); // expected-error-re {{argument value {{.*}} is outside the valid range}}
 331   fr = __builtin_arm_vcvtr_f(f, 2);  // expected-error-re {{argument value {{.*}} is outside the valid range}}
 332
 333   dr = __builtin_arm_vcvtr_f(d, 0);
 334   dr = __builtin_arm_vcvtr_f(d, 1);
 335   dr = __builtin_arm_vcvtr_f(d, -1); // expected-error-re {{argument value {{.*}} is outside the valid range}}
 336   dr = __builtin_arm_vcvtr_f(d, 2);  // expected-error-re {{argument value {{.*}} is outside the valid range}}
 337 }