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 set_offset_v2_k_type(struct offset_v2 * v2)27static void set_offset_v2_k_type(struct offset_v2 *v2) 28 { 29 v2->v &= 1; 30 } 31 set_le_key_k_type(int version,struct reiserfs_key * key)32static 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 set_le_ih_k_type(struct item_head * ih)38static 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 direct2indirect(void)45void 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 } 60