gcc/testsuite/gcc.dg/vect/pr63530.c

   1 /* { dg-additional-options "-funroll-loops --param \"max-completely-peeled-insns=400\"" } */
   2
   3 /* PR tree-optimization/63530 */
   4 /* On armv7 hardware, following options cause run time failure  */
   5 /*   -march=armv7-a -mfloat-abi=hard -mfpu=neon -marm -O2 -ftree-vectorize  */
   6 /*   -funroll-loops --param "max-completely-peeled-insns=400"  */
   7
   8 #include "tree-vect.h"
   9
  10 #include <stdlib.h>
  11
  12 typedef struct {
  13   unsigned char map[256];
  14   int i;
  15 } A, *AP;
  16
  17 AP __attribute__ ((noinline))
  18 foo (int n)
  19 {
  20   AP b = (AP)calloc (1, sizeof (A));
  21   int i;
  22   for (i = n; i < 256; i++)
  23     b->map[i] = i;
  24   return b;
  25 }
  26
  27 int
  28 main()
  29 {
  30   AP p = foo(3);
  31   check_vect ();
  32   return p->map[30] - p->map[20] - p->map[10];
  33 }