gcc/testsuite/gcc.dg/pr27861-1.c

   1 /* PR target/27861 */
   2 /* The following code used to cause an ICE during RTL expansion, as
   3    expand shift was stripping the SUBREG of a rotate shift count, and
   4    later producing a VAR_DECL tree whose DECL_RTL's mode didn't match
   5    the VAR_DECL's type's mode.  */
   6 /* { dg-do compile } */
   7 /* { dg-options "-O2" } */
   8
   9 typedef struct sim_state *SIM_DESC;
  10 typedef enum
  11 {
  12   SIM_OPEN_STANDALONE, SIM_OPEN_DEBUG
  13 }
  14 SIM_RC;
  15 typedef unsigned int unsigned32 __attribute__ ((__mode__ (__SI__)));
  16 typedef unsigned int unsigned64 __attribute__ ((__mode__ (__DI__)));
  17 typedef unsigned32 unsigned_address;
  18 typedef unsigned_address address_word;
  19 static __inline__ unsigned64
  20   __attribute__ ((__unused__)) ROTR64 (unsigned64 val, int shift)
  21 {
  22   unsigned64 result;
  23   result = (((val) >> (shift)) | ((val) << ((64) - (shift))));
  24   return result;
  25 }
  26 typedef struct _sim_cpu sim_cpu;
  27 enum
  28 {
  29     TRACE_MEMORY_IDX, TRACE_MODEL_IDX, TRACE_ALU_IDX, TRACE_CORE_IDX,
  30 };
  31 typedef struct _trace_data
  32 {
  33   char trace_flags[32];
  34 }
  35 TRACE_DATA;
  36 typedef enum
  37 {
  38     nr_watchpoint_types,
  39 }
  40 watchpoint_type;
  41 typedef struct _sim_watchpoints
  42 {
  43   TRACE_DATA trace_data;
  44 }
  45 sim_cpu_base;
  46 struct _sim_cpu
  47 {
  48   sim_cpu_base base;
  49 };
  50 struct sim_state
  51 {
  52   sim_cpu cpu[1];
  53 };
  54 typedef address_word instruction_address;
  55 void trace_result_word1 ();
  56 int
  57 do_dror (SIM_DESC sd, instruction_address cia, int MY_INDEX, unsigned64 x,
  58          unsigned64 y)
  59 {
  60   unsigned64 result;
  61   result = ROTR64 (x, y);
  62     {
  63       if ((((-1) & (1 << (TRACE_ALU_IDX))) != 0
  64            && (((&(((&(sd)->cpu[0])))->base.trace_data))->
  65                trace_flags)[TRACE_ALU_IDX] != 0))
  66         trace_result_word1 (sd, ((&(sd)->cpu[0])), TRACE_ALU_IDX, (result));
  67     }
  68 }
  69