File: bic-bitmask-21.c

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gcc-arm-none-eabi 15%3A14.2.rel1-1
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/* { dg-do run } */
/* { dg-options "-O1 -fdump-tree-dce" } */

#include <stdint.h>

__attribute__((noinline, noipa))
void fun1(int32_t *x, int n)
{
    for (int i = 0; i < (n & -16); i++)
      x[i] = (x[i]&(~255)) == 0;
}

__attribute__((noinline, noipa, optimize("O0")))
void fun2(int32_t *x, int n)
{
    for (int i = 0; i < (n & -16); i++)
      x[i] = (x[i]&(~255)) == 0;
}

#define TYPE int32_t
#include "bic-bitmask.h"

/* { dg-final { scan-tree-dump {<=\s* 255} dce7 { target vect_int } } } */
/* { dg-final { scan-tree-dump-not {&\s* 4294967290} dce7 { target vect_int } } } */