(root)/
gcc-13.2.0/
gcc/
testsuite/
gcc.target/
powerpc/
mul-vectorize-1.c
       1  /* { dg-require-effective-target powerpc_p8vector_ok } */
       2  /* { dg-options "-mdejagnu-cpu=power8 -O2 -ftree-vectorize -fno-vect-cost-model -fno-unroll-loops -fdump-tree-vect-details" } */
       3  
       4  /* Test vectorizer can exploit ISA 2.07 instruction vmuluwm (Vector Multiply
       5     Unsigned Word Modulo) for both signed and unsigned word multiplication.  */
       6  
       7  #define N 128
       8  
       9  extern signed int si_a[N], si_b[N], si_c[N];
      10  extern unsigned int ui_a[N], ui_b[N], ui_c[N];
      11  
      12  __attribute__ ((noipa)) void
      13  test_si ()
      14  {
      15    for (int i = 0; i < N; i++)
      16      si_c[i] = si_a[i] * si_b[i];
      17  }
      18  
      19  __attribute__ ((noipa)) void
      20  test_ui ()
      21  {
      22    for (int i = 0; i < N; i++)
      23      ui_c[i] = ui_a[i] * ui_b[i];
      24  }
      25  
      26  /* { dg-final { scan-tree-dump-times "vectorized 1 loops" 2 "vect" } } */
      27  /* { dg-final { scan-assembler-times {\mvmuluwm\M} 2 } } */