Viewing file:  pr96770.c (1.31 KB) -rw-r--r--
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/* { dg-do compile } */
/* { dg-options "-mpure-code" } */
int arr[1000];
int *f4 (void) { return &arr[1]; }
/* For cortex-m0 (thumb-1/v6m), we generate 2 pairs of movs/adds with upper/lower:#arr+4. */
/* { dg-final { scan-assembler-times "arr\\+4" 4 { target { { ! arm_thumb1_movt_ok } && { ! arm_thumb2_ok } } } } } */
/* For cortex-m with movt/movw (thumb-1/v8m.base or thumb-2), we
generate a movt/movw pair with upper/lower:#arr+4 possibly via an anchor. */
/* { dg-final { scan-assembler-times "upper16:\[^ \]+.\\+4" 1 { target { arm_thumb1_movt_ok || arm_thumb2_ok } } } } */
/* { dg-final { scan-assembler-times "lower16:\[^ \]+\\+4" 1 { target { arm_thumb1_movt_ok || arm_thumb2_ok } } } } */
int *f5 (void) { return &arr[80]; }
/* For cortex-m0 (thumb-1/v6m), we generate 1 ldr from rodata pointer to arr+320. */
/* { dg-final { scan-assembler-times "arr\\+320" 1 { target { { ! arm_thumb1_movt_ok } && { ! arm_thumb2_ok } } } } } */
/* For cortex-m with movt/movw (thumb-1/v8m.base or thumb-2), we
generate a movt/movw pair with upper/lower:arr+320 possibly via an anchor. */
/* { dg-final { scan-assembler-times "upper16:\[^ \]+\\+320" 1 { target { arm_thumb1_movt_ok || arm_thumb2_ok } } } } */
/* { dg-final { scan-assembler-times "lower16:\[^ \]+\\+320" 1 { target { arm_thumb1_movt_ok || arm_thumb2_ok } } } } */
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