gcc/testsuite/gcc.target/i386/pr78967-1.c

   1 /* PR target/78967 */
   2 /* { dg-do compile } */
   3 /* { dg-options "-O2 -masm=att" } */
   4 /* { dg-additional-options "-mregparm=3" { target ia32 } } */
   5 /* { dg-final { scan-assembler-not "movzbl" } } */
   6
   7 struct S1
   8 {
   9   unsigned char pad1;
  10   unsigned char val;
  11   unsigned short pad2;
  12 };
  13
  14 struct S1 foo (struct S1 a, struct S1 b)
  15 {
  16   a.val = b.val;
  17
  18   return a;
  19 }
  20
  21 /* { dg-final { scan-assembler "\[ \t\]movb\[ \t\]+%.h, %.h" } } */