gcc/testsuite/gcc.target/arm/fp16-aapcs-2.c

   1 /* { dg-do compile }  */
   2 /* { dg-require-effective-target arm_fp16_ok } */
   3 /* { dg-options "-mfloat-abi=softfp -O2 -mno-long-calls" }  */
   4 /* { dg-add-options arm_fp16_ieee } */
   5 /* { dg-skip-if "incompatible float-abi" { arm*-*-* } { "-mfloat-abi=hard" } } */
   6
   7 /* Test __fp16 arguments and return value in registers (softfp).  */
   8
   9 void
  10 swap (__fp16, __fp16);
  11
  12 __fp16
  13 F (__fp16 a, __fp16 b, __fp16 c)
  14 {
  15   swap (b, a);
  16   return c;
  17 }
  18
  19 /* The swap must include two moves out of r0/r1 and two moves in.  */
  20 /* { dg-final { scan-assembler-times {mov\tr[0-9]+, r[01]} 2 } }  */
  21 /* { dg-final { scan-assembler-times {mov\tr[01], r[0-9]+} 2 } }  */
  22 /* c should be spilled around the call.  */
  23 /* { dg-final { scan-assembler {str\tr2, ([^\n]*).*ldrh\tr0, \1} { target arm_little_endian } } } */