gcc/testsuite/gcc.target/sh/sh2a-bld.c

   1 /* A testcase to check generation of the following SH2A specific
   2    instructions.
   3
   4     BLD #imm3, Rn
   5     BLD.B #imm3, @(disp12, Rn)
   6  */
   7 /* { dg-do compile { target { sh2a } } }  */
   8 /* { dg-options "-Os -mbitops" }  */
   9 /* { dg-final { scan-assembler "bld"} }  */
  10 /* { dg-final { scan-assembler "bld.b"} }  */
  11
  12 volatile struct
  13 {
  14   union
  15   {
  16     unsigned char BYTE;
  17     struct
  18     {
  19       unsigned char BIT7:1;
  20       unsigned char BIT6:1;
  21       unsigned char BIT5:1;
  22       unsigned char BIT4:1;
  23       unsigned char BIT3:1;
  24       unsigned char BIT2:1;
  25       unsigned char BIT1:1;
  26       unsigned char BIT0:1;
  27     }
  28     BIT;
  29   }
  30   ICR0;
  31 }
  32 USRSTR;
  33
  34 int
  35 main ()
  36 {
  37   volatile unsigned char a, b, c;
  38   USRSTR.ICR0.BIT.BIT6 &= a;
  39   USRSTR.ICR0.BIT.BIT5 |= b;
  40   USRSTR.ICR0.BIT.BIT4 ^= c;
  41   return 0;
  42 }