gcc/testsuite/gcc.dg/vect/vect-multitypes-10.c

   1 /* { dg-require-effective-target vect_int } */
   2
   3 #include <stdarg.h>
   4 #include "tree-vect.h"
   5
   6 #define N 64
   7
   8 unsigned char uX[N] __attribute__ ((__aligned__(__BIGGEST_ALIGNMENT__)));
   9 unsigned short uY[N] __attribute__ ((__aligned__(__BIGGEST_ALIGNMENT__)));
  10 unsigned int uresult[N];
  11 signed char X[N] __attribute__ ((__aligned__(__BIGGEST_ALIGNMENT__)));
  12 signed short Y[N] __attribute__ ((__aligned__(__BIGGEST_ALIGNMENT__)));
  13 int result[N];
  14
  15 /* Unsigned type promotion (hi->si) */
  16 __attribute__ ((noinline)) int
  17 foo1(int len) {
  18   int i;
  19
  20   for (i=0; i<len; i++) {
  21     uX[i] = 5;
  22     uresult[i] = (unsigned int)uY[i];
  23   }
  24 }
  25
  26 /* Signed type promotion (hi->si) */
  27 __attribute__ ((noinline)) int
  28 foo2(int len) {
  29   int i;
  30
  31   for (i=0; i<len; i++) {
  32     uX[i] = 5;
  33     result[i] = (int)Y[i];
  34   }
  35 }
  36
  37 int main (void)
  38 {
  39   int i;
  40
  41   check_vect ();
  42
  43   for (i=0; i<N; i++) {
  44     X[i] = 16-i;
  45     uX[i] = 16-i;
  46     __asm__ volatile ("");
  47   }
  48
  49   foo1 (N);
  50
  51 #pragma GCC novector
  52   for (i=0; i<N; i++) {
  53     if (uresult[i] != (unsigned short)uY[i])
  54       abort ();
  55   }
  56
  57   foo2 (N);
  58
  59 #pragma GCC novector
  60   for (i=0; i<N; i++) {
  61     if (result[i] != (short)Y[i])
  62       abort ();
  63   }
  64
  65   return 0;
  66 }
  67
  68 /* { dg-final { scan-tree-dump-times "vectorized 1 loops" 2 "vect" { target vect_unpack } } } */
  69