gcc/testsuite/gcc.dg/pr50340.c

   1 /* { dg-do compile { target powerpc*-*-* ia64-*-* i?86-*-* x86_64-*-* } } */
   2 /* { dg-options "-O3 -fselective-scheduling2 -funroll-loops" } */
   3 extern int mode_size[];
   4 typedef unsigned HARD_REG_SET[ ((64 + 32 - 1) / 32) ];
   5 enum reload_type {
   6   RELOAD_FOR_INPUT,
   7   RELOAD_FOR_OUTPUT,
   8   RELOAD_FOR_INSN,
   9   RELOAD_FOR_INPUT_ADDRESS,
  10   RELOAD_FOR_OUTPUT_ADDRESS,
  11   RELOAD_FOR_OPERAND_ADDRESS,
  12   RELOAD_FOR_OPADDR_ADDR,
  13   RELOAD_OTHER,
  14   RELOAD_FOR_OTHER_ADDRESS
  15 };
  16 static HARD_REG_SET reload_reg_used;
  17 static HARD_REG_SET reload_reg_used_in_input_addr[10];
  18 static HARD_REG_SET reload_reg_used_in_output_addr[10];
  19 static HARD_REG_SET reload_reg_used_in_input[10];
  20 static HARD_REG_SET reload_reg_used_in_output[10];
  21 static HARD_REG_SET reload_reg_used_in_op_addr;
  22 static HARD_REG_SET reload_reg_used_in_op_addr_reload;
  23 static HARD_REG_SET reload_reg_used_in_insn;
  24 static HARD_REG_SET reload_reg_used_in_other_addr;
  25 static HARD_REG_SET reload_reg_used_at_all;
  26 void __attribute__((cold)) mark_reload_reg_in_use (regno, opnum, type, mode)
  27 {
  28   int nregs = regno ? 1 : mode_size[mode];
  29   int i;
  30   for (i = regno; i < nregs + regno; i++)
  31   {
  32     switch (type)
  33     {
  34       case RELOAD_OTHER: reload_reg_used[i / 32u] |= 1 << i % 32u; break;
  35       case RELOAD_FOR_INPUT_ADDRESS: reload_reg_used_in_input_addr[opnum][i / 32u] |= 1 << i % 32u; break;
  36       case RELOAD_FOR_OUTPUT_ADDRESS: reload_reg_used_in_output_addr[opnum][i / 32u] |= 1 << i % 32u; break;
  37       case RELOAD_FOR_OPERAND_ADDRESS: reload_reg_used_in_op_addr[i / 32u] |= 1 << i % 32u; break;
  38       case RELOAD_FOR_OPADDR_ADDR: reload_reg_used_in_op_addr_reload[i / 32u] |= 1 << i % 32u; break;
  39       case RELOAD_FOR_OTHER_ADDRESS: reload_reg_used_in_other_addr[i / 32u] |= 1; break;
  40       case RELOAD_FOR_INPUT: reload_reg_used_in_input[opnum][i / 32u] |= 1 << i % 32u; break;
  41       case RELOAD_FOR_OUTPUT: reload_reg_used_in_output[opnum][i / 32u] |= 1 << i % 32u; break;
  42       case RELOAD_FOR_INSN: reload_reg_used_in_insn[i / 32u] |= 1 << i % 32u;
  43     }
  44     reload_reg_used_at_all[i / 32u] |= 1 << i;
  45   }
  46 }