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comparison gcc/testsuite/gcc.dg/delay-slot-1.c @ 111:04ced10e8804

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gcc 7
author kono
date Fri, 27 Oct 2017 22:46:09 +0900
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68:561a7518be6b 111:04ced10e8804
1 /* { dg-do compile } */
2 /* { dg-options "-O2" } */
3 /* { dg-options "-O2 -mabi=64" { target { mips*-*-linux* && mips64 } } } */
4
5 struct offset_v1 {
6 int k_uniqueness;
7 };
8
9 struct offset_v2 {
10 long v;
11 } __attribute__ ((__packed__));
12
13 struct reiserfs_key {
14 int k_objectid;
15 union {
16 struct offset_v1 k_offset_v1;
17 struct offset_v2 k_offset_v2;
18 } u;
19 };
20
21 struct item_head
22 {
23 struct reiserfs_key ih_key;
24 int ih_version;
25 };
26
27 static void set_offset_v2_k_type(struct offset_v2 *v2)
28 {
29 v2->v &= 1;
30 }
31
32 static void set_le_key_k_type (int version, struct reiserfs_key * key)
33 {
34 version ? (key->u.k_offset_v1.k_uniqueness = 1)
35 : set_offset_v2_k_type(&(key->u.k_offset_v2));
36 }
37
38 static void set_le_ih_k_type (struct item_head * ih)
39 {
40 set_le_key_k_type((__builtin_constant_p((ih)->ih_version) ? (ih)->ih_version : (ih)->ih_version), &(ih->ih_key));
41 }
42
43 void boo(struct item_head *ih, const char *body);
44
45 void direct2indirect(void)
46 {
47 struct item_head *p_le_ih;
48 struct item_head ind_ih;
49 unsigned int unfm_ptr;
50
51 if (__builtin_expect(32, 0)) __asm__ ("break");
52
53 set_le_ih_k_type (&ind_ih);
54
55 if (__builtin_constant_p(p_le_ih) ? 1 : 2) {
56 (__builtin_constant_p(__builtin_constant_p(1) == 1));
57 boo(&ind_ih, (char *)&unfm_ptr);
58 }
59 }