rt_gccstream/gcc/testsuite/gcc.target/m68k/pr36134.c

24 lines
406 B
C

/* pr36134.c
This test ensures that the shorter LEA instruction is used in preference
to the longer ADD instruction. */
/* { dg-do compile } */
/* { dg-options "-O2" } */
/* { dg-final { scan-assembler "lea" } } */
/* { dg-final { scan-assembler-not "add" } } */
int *a, *b;
void
f ()
{
while (a > b)
{
*a++ = *b++;
*a++ = *b++;
*a++ = *b++;
*a++ = *b++;
}
}