gcc/testsuite/gcc.dg/arm-scd42-2.c

   1 /* Verify that mov is preferred on XScale for loading a 2 byte constant. */
   2 /* { dg-do compile { target xscale-*-* } } */
   3 /* { dg-options "-mcpu=xscale -O" } */
   4
   5 unsigned load2(void) __attribute__ ((naked));
   6 unsigned load2(void)
   7 {
   8     /* Best code would be:
   9        mov r0, =272
  10        add r0, r0, =1
  11        mov pc, lr */
  12
  13     return 273;
  14 }
  15
  16 /* We want to suppress running for -mthumb but not for -mthumb-interwork. */
  17 /* { dg-final { global compiler_flags; if ![string match "*-mthumb *" $compiler_flags] { scan-assembler "mov\[  ].*272" } } } */