gcc/testsuite/gcc.target/arm/pure-code/pr96769.c

   1 /* { dg-do compile } */
   2 /* { dg-options "-mpure-code" } */
   3
   4 int f3 (void) { return 0x11000000; }
   5 int f3_2 (void) { return 0x12345678; }
   6 int f3_3 (void) { return -1; }
   7 int f3_4 (void) { return 511; }
   8
   9 /* For cortex-m0 (thumb-1/v6m), we generate 1 lsls in f3 3 lsls in f3_2 and 1 in f3_4; 1 rsbs in f3_3.  */
  10 /* { dg-final { scan-assembler-times "lsls" 5 { target { { ! arm_thumb1_movt_ok } && { ! arm_thumb2_ok } } } } } */
  11 /* { dg-final { scan-assembler-times "rsbs" 1 { target { { ! arm_thumb1_movt_ok } && { ! arm_thumb2_ok } } } } } */
  12
  13 /* For cortex-m23 (thumb-1/v8m.base), we generate 1 lsls in f3, and none in f3_2 nor f3_4; 1 rsbs in f3_3.  */
  14 /* { dg-final { scan-assembler-times "lsls" 1 { target { arm_thumb1_movt_ok && { ! arm_thumb2_ok } } } } } */
  15 /* { dg-final { scan-assembler-times "rsbs" 1 { target { arm_thumb1_movt_ok && { ! arm_thumb2_ok } } } } } */
  16
  17 /* For cortex-m3 (thumb-2/v7m), we generate no lsls and no rsbs.  */
  18 /* { dg-final { scan-assembler-times "lsls" 0 { target { arm_thumb2_ok } } } } */
  19 /* { dg-final { scan-assembler-times "rsbs" 0 { target { arm_thumb2_ok } } } } */
  20