gcc/testsuite/gcc.target/i386/pr82498-1.c

   1 /* PR target/82498 */
   2 /* { dg-do compile } */
   3 /* { dg-options "-O2 -mtune=generic -masm=att" } */
   4 /* { dg-final { scan-assembler-not {\mand[bwlq]\M} } } */
   5
   6 unsigned
   7 f1 (unsigned x, unsigned char y)
   8 {
   9   if (y == 0)
  10     return x;
  11   y &= __CHAR_BIT__ * __SIZEOF_INT__ - 1;
  12   return (x << y) | (x >> (__CHAR_BIT__ * __SIZEOF_INT__ - y));
  13 }
  14
  15 unsigned
  16 f2 (unsigned x, unsigned y)
  17 {
  18   if (y == 0)
  19     return x;
  20   y &= __CHAR_BIT__ * __SIZEOF_INT__ - 1;
  21   return (x << y) | (x >> (__CHAR_BIT__ * __SIZEOF_INT__ - y));
  22 }
  23
  24 unsigned
  25 f3 (unsigned x, unsigned short y)
  26 {
  27   if (y == 0)
  28     return x;
  29   y &= __CHAR_BIT__ * __SIZEOF_INT__ - 1;
  30   return (x << y) | (x >> (__CHAR_BIT__ * __SIZEOF_INT__ - y));
  31 }
  32
  33 unsigned
  34 f4 (unsigned x, unsigned char y)
  35 {
  36   y &= __CHAR_BIT__ * __SIZEOF_INT__ - 1;
  37   return (x << y) | (x >> (-y & (__CHAR_BIT__ * __SIZEOF_INT__ - 1)));
  38 }
  39
  40 unsigned
  41 f5 (unsigned x, unsigned int y)
  42 {
  43   y &= __CHAR_BIT__ * __SIZEOF_INT__ - 1;
  44   return (x << y) | (x >> (-y & (__CHAR_BIT__ * __SIZEOF_INT__ - 1)));
  45 }
  46
  47 unsigned
  48 f6 (unsigned x, unsigned short y)
  49 {
  50   y &= __CHAR_BIT__ * __SIZEOF_INT__ - 1;
  51   return (x << y) | (x >> (-y & (__CHAR_BIT__ * __SIZEOF_INT__ - 1)));
  52 }