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