summaryrefslogtreecommitdiff
path: root/gcc/testsuite/gcc.target/i386/movq-2.c
blob: 4a1accb583a5f99890fd2b2a465776a9002c1df6 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
/* PR target/25199 */
/* { dg-do compile } */
/* { dg-options "-Os -mtune=pentium4" } */
/* { dg-require-effective-target ilp32 } */

struct S
{
  void *p[30];
  unsigned char c[4];
};

unsigned char d;

void
foo (struct S *x)
{
  register unsigned char e __asm ("esi");
  e = x->c[3];
  __asm __volatile ("" : : "r" (e));
  e = x->c[0];
  __asm __volatile ("" : : "r" (e));
}

/* { dg-final { scan-assembler-not "movl\[ \t\]*123" } } */
/* { dg-final { scan-assembler "movzbl\[ \t\]*123" } } */
/* { dg-final { scan-assembler "mov(zb)?l\[ \t\]*120" } } */