gcc/testsuite/gcc.target/arm/cmse/cmse-14.c

   1 /* { dg-do compile } */
   2 /* { dg-options "-mcmse" } */
   3
   4
   5 int __attribute__ ((cmse_nonsecure_call)) (*bar) (void);
   6
   7 int foo (void)
   8 {
   9   return bar ();
  10 }
  11
  12 /* { dg-final { scan-assembler "push\t\{r4, r5, r6, r7, r8, r9, r10, fp\}" { target arm_cmse_clear_ok } } } */
  13 /* Check the right registers are cleared and none appears twice.  */
  14 /* { dg-final { scan-assembler "clrm\t\{(r0, )?(r1, )?(r2, )?(r3, )?(r4, )?(r5, )?(r6, )?(r7, )?(r8, )?(r9, )?(r10, )?(fp, )?(ip, )?APSR\}" { target arm_cmse_clear_ok } } } */
  15 /* Check that the right number of registers is cleared and thus only one
  16    register is missing.  */
  17 /* { dg-final { scan-assembler "clrm\t\{((r\[0-9\]|r10|fp|ip), ){12}APSR\}" { target arm_cmse_clear_ok } } } */
  18 /* Check that no cleared register is used for blxns.  */
  19 /* { dg-final { scan-assembler-not "clrm\t\{\[^\}\]\+(r\[0-9\]|r10|fp|ip),\[^\}\]\+\}.*blxns\t\\1" { target arm_cmse_clear_ok } } } */
  20 /* { dg-final { scan-assembler "pop\t\{r4, r5, r6, r7, r8, r9, r10, fp\}" { target arm_cmse_clear_ok } } } */
  21 /* { dg-final { scan-assembler "bl\t__gnu_cmse_nonsecure_call" { target { ! arm_cmse_clear_ok } } } } */
  22 /* { dg-final { scan-assembler-not "^(.*\\s)?bl?\[^\\s]*\\s+bar" { target { ! arm_cmse_clear_ok } } } } */
  23 /* { dg-final { scan-assembler "blxns" { target arm_cmse_clear_ok } } } */
  24 /* { dg-final { scan-assembler-not "^(.*\\s)?bl?(?!xns)\[^\\s]*\\s+bar" { target arm_cmse_clear_ok } } } */