gcc/testsuite/gcc.target/arm/simd/vusdot-autovec.c

   1 /* { dg-do compile } */
   2 /* { dg-require-effective-target arm_v8_2a_i8mm_ok } */
   3 /* { dg-options "-O3" } */
   4 /* { dg-add-options arm_v8_2a_i8mm } */
   5
   6 #define N 480
   7 #define SIGNEDNESS_1 unsigned
   8 #define SIGNEDNESS_2 signed
   9 #define SIGNEDNESS_3 signed
  10 #define SIGNEDNESS_4 unsigned
  11
  12 SIGNEDNESS_1 int __attribute__ ((noipa))
  13 f (SIGNEDNESS_1 int res, SIGNEDNESS_3 char *restrict a,
  14    SIGNEDNESS_4 char *restrict b)
  15 {
  16   for (__INTPTR_TYPE__ i = 0; i < N; ++i)
  17     {
  18       int av = a[i];
  19       int bv = b[i];
  20       SIGNEDNESS_2 short mult = av * bv;
  21       res += mult;
  22     }
  23   return res;
  24 }
  25
  26 SIGNEDNESS_1 int __attribute__ ((noipa))
  27 g (SIGNEDNESS_1 int res, SIGNEDNESS_3 char *restrict b,
  28    SIGNEDNESS_4 char *restrict a)
  29 {
  30   for (__INTPTR_TYPE__ i = 0; i < N; ++i)
  31     {
  32       int av = a[i];
  33       int bv = b[i];
  34       SIGNEDNESS_2 short mult = av * bv;
  35       res += mult;
  36     }
  37   return res;
  38 }
  39
  40 /* { dg-final { scan-assembler-times {vusdot.s8} 2 { target { arm-*-*-gnueabihf } } } } */