gcc/testsuite/gcc.target/i386/movq.c

   1 /* { dg-do compile }
   2 /* { dg-options "-Os -march=pentium4 -mtune=prescott" } */
   3 /* { dg-require-effective-target ia32 } */
   4
   5 register char foo asm("edi");
   6 char x;
   7 int bar() {
   8   foo = x;
   9 }
  10 /* { dg-final { scan-assembler "movz" } } */