gcc/testsuite/gcc.target/arc/interrupt-6.c

   1 /* { dg-do compile } */
   2 /* { dg-skip-if "Not available for ARCv1" { arc700 || arc6xx } } */
   3 /* { dg-options "-O2 -mirq-ctrl-saved=r0-ilink" } */
   4
   5 #include <alloca.h>
   6
   7 /* Check if ilink is recognized. Check how FP and BLINK are saved.
   8    BLINK is saved last on the stack because the IRQ autosave will do
   9    first r0-ilink.  To avoid this ABI exception, one needs to autosave
  10    always blink when using the IRQ autosave feature.  */
  11
  12 extern int bar (void *);
  13
  14 void  __attribute__ ((interrupt("ilink")))
  15 foo(void)
  16 {
  17   int *p = alloca (10);
  18   bar (p);
  19 }
  20 /* { dg-final { scan-assembler-not ".*fp,\\\[sp" } } */
  21 /* { dg-final { scan-assembler "ld.*blink,\\\[sp\\\]" } } */
  22 /* { dg-final { scan-assembler "push_s.*blink" } } */