gcc-4.9/gcc/testsuite/gcc.target/aarch64/mneg-1.c


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/* { dg-do compile } */
/* { dg-options "-O2" } */

int r;

void test (int a, int b)
{
  /* { dg-final { scan-assembler "mneg\tw\[0-9\]*, w\[0-9\]*, w\[0-9\]*\n" } } */
  r = (-a) * b;
}