gcc/testsuite/gcc.target/arc/interrupt-8.c

   1 /* { dg-do compile } */
   2 /* { dg-skip-if "Not available for ARCv1" { arc700 || arc6xx } } */
   3 /* { dg-options "-O2 -mirq-ctrl-saved=r0-r17" } */
   4
   5 /* Check if the registers R0-R17 are automatically saved.  GP is saved
   6    by the compiler.  */
   7
   8 int a;
   9
  10 void  __attribute__ ((interrupt("ilink")))
  11 foo(void)
  12 {
  13   __asm__ volatile ( "" : : : "r0","r1","r2","r3");
  14   __asm__ volatile ( "" : : : "r13","r14","r15","r16");
  15   a++;
  16 }
  17 /* { dg-final { scan-assembler-not "st.*r13,\\\[sp" } } */
  18 /* { dg-final { scan-assembler-not "st.*r14,\\\[sp" } } */
  19 /* { dg-final { scan-assembler-not "st.*r15,\\\[sp" } } */
  20 /* { dg-final { scan-assembler-not "st.*r16,\\\[sp" } } */
  21 /* { dg-final { scan-assembler "st.*gp,\\\[sp,-4\\\]" } } */
  22 /* { dg-final { scan-assembler "ld.*gp,\\\[sp\\\]" } } */
  23 /* { dg-final { scan-assembler-not "st.*r0,\\\[sp" } } */
  24 /* { dg-final { scan-assembler-not "st.*r1,\\\[sp" } } */
  25 /* { dg-final { scan-assembler-not "st.*r2,\\\[sp" } } */
  26 /* { dg-final { scan-assembler-not "st.*r3,\\\[sp" } } */
  27 /* { dg-final { scan-assembler "rtie" } } */