gcc/testsuite/gcc.target/arm/pr58784.c

   1 /* { dg-do compile } */
   2 /* { dg-skip-if "incompatible options" { arm_thumb1 } } */
   3 /* { dg-options "-march=armv7-a -mfloat-abi=hard -mfpu=neon -marm -O2" } */
   4 /* { dg-skip-if "need hardfp ABI" { *-*-* } { "-mfloat-abi=soft" } { "" } } */
   5 /* { dg-skip-if "-mpure-code supports M-profile without Neon only" { *-*-* } { "-mpure-code" } } */
   6
   7
   8 typedef struct __attribute__ ((__packed__))
   9 {
  10     char valueField[2];
  11 } ptp_tlv_t;
  12 typedef struct __attribute__ ((__packed__))
  13 {
  14     char stepsRemoved;
  15     ptp_tlv_t tlv[1];
  16 } ptp_message_announce_t;
  17
  18 extern void f (ptp_message_announce_t *);
  19
  20 int ptplib_send_announce(int sequenceId, int i)
  21 {
  22     ptp_message_announce_t tx_packet;
  23     ((long long *)tx_packet.tlv[0].valueField)[sequenceId] = i;
  24     f(&tx_packet);
  25 }