gcc/testsuite/gcc.target/i386/pr82260-1.c

   1 /* PR target/82260 */
   2 /* { dg-do compile { target lp64 } } */
   3 /* { dg-options "-Os -mtune=generic -masm=att -mno-bmi2" } */
   4 /* movl %esi, %ecx is shorter than movb %sil, %cl.  While
   5    movl %edx, %ecx is the same size as movb %dl, %cl and
   6    movl %r8d, %ecx is the same size as movb %r8b, %cl, movl
   7    is faster on contemporary CPUs.  */
   8 /* { dg-final { scan-assembler-not {\mmovb\M} } } */
   9
  10 int
  11 foo (int x, int c)
  12 {
  13   return x >> c;
  14 }
  15
  16 int
  17 bar (int x, int y, int z)
  18 {
  19   return x >> z;
  20 }
  21
  22 int
  23 baz (int x, int y, int z, int u, int v)
  24 {
  25   return x >> v;
  26 }