gcc/testsuite/gcc.target/i386/pr46647.c

   1 /* { dg-do compile } */
   2 /* { dg-options "-O2 -mtune=generic" } */
   3
   4 char a[5];
   5 int
   6 func1 (void)
   7 {
   8   __builtin_memset (a,-1,sizeof (a));
   9   return 0;
  10 }
  11
  12 int a2[5];
  13 int
  14 func2 (void)
  15 {
  16   __builtin_memset (a2,-1,sizeof (a2));
  17   return 0;
  18 }
  19
  20 char a3[5];
  21 int
  22 func3 (void)
  23 {
  24   __builtin_memset (a3,0x8fffffff,sizeof (a3));
  25   return 0;
  26 }
  27
  28 char a4[5];
  29 int
  30 func4 (void)
  31 {
  32   __builtin_memset (a4,0x8fffff00,sizeof (a4));
  33   return 0;
  34 }
  35
  36 int a5[5];
  37 int
  38 func5 (void)
  39 {
  40   __builtin_memset (a5,0x8fffffff,sizeof (a5));
  41   return 0;
  42 }
  43
  44 /* { dg-final { scan-assembler-not "call\[\\t \]*_?memset" } } */