gcc/testsuite/gcc.target/arm/negdi-3.c

   1 /* { dg-do compile } */
   2 /* { dg-require-effective-target arm32 } */
   3 /* { dg-options "-O2" } */
   4
   5 signed long long negdi_zero_extendsidi (unsigned int x)
   6 {
   7   return -((signed long long) x);
   8 }
   9 /*
  10 Expected output:
  11         rsbs    r0, r0, #0
  12         sbc     r1, r1, r1
  13 */
  14 /* { dg-final { scan-assembler-times "rsb" 1 } } */
  15 /* { dg-final { scan-assembler-times "sbc" 1 } } */
  16 /* { dg-final { scan-assembler-times "mov" 0 } } */
  17 /* { dg-final { scan-assembler-times "rsc" 0 } } */