1 /* Copyright (C) 2003 Free Software Foundation.
2 Check that size-optimizations for move insns (specifically peephole
3 optimizations) aren't applied to volatile objects in the CRIS port.
4 Origin: Hans-Peter Nilsson. */
5 /* { dg-do compile { target cris-*-* crisv32-*-* } } */
6 /* { dg-final { scan-assembler-not {movu\...\[} } } */
7 /* { dg-final { scan-assembler-not {move\.[^d].\[} } } */
8 /* { dg-final { scan-assembler-not {and\.[^d].\[} } } */
9 /* { dg-final { scan-assembler-not {or\.[^d].\[} } } */
10
11 static const unsigned long c = 0x0000FF00;
12 unsigned long
a1(void)13 a1 (void)
14 {
15 unsigned long m;
16 m = *(volatile unsigned long*) 0xb00000c8;
17 m &= c;
18 return m;
19 }
20 extern volatile unsigned long xx;
21 unsigned long
a2(void)22 a2 (void)
23 {
24 unsigned long m;
25 m = xx;
26 m &= c;
27 return m;
28 }
29 extern volatile unsigned long yy[];
30 unsigned long
a3(void)31 a3 (void)
32 {
33 unsigned long m;
34 m = yy[3];
35 m &= 0xfe00;
36 return m;
37 }
38 unsigned long
ac1(void)39 ac1 (void)
40 {
41 unsigned long m;
42 m = *(volatile unsigned long*) 0xb00000c8;
43 m &= 0xfe00;
44 return m;
45 }
46 extern volatile unsigned long xx;
47 unsigned long
ac2(void)48 ac2 (void)
49 {
50 unsigned long m;
51 m = xx;
52 m &= 0xfe00;
53 return m;
54 }
55 extern volatile unsigned long yy[];
56 unsigned long
ac3(void)57 ac3 (void)
58 {
59 unsigned long m;
60 m = yy[3];
61 m &= 0xfe00;
62 return m;
63 }
64 extern volatile unsigned long yy[];
65 unsigned long
oc3(void)66 oc3 (void)
67 {
68 unsigned long m;
69 m = yy[3];
70 m |= ~0xf;
71 return m;
72 }
73