60 lines
1.2 KiB
C
60 lines
1.2 KiB
C
/* { dg-do compile } */
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/* { dg-options "-O2" } */
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/* { dg-options "-O2 -mabi=64" { target mips-*-linux-* } } */
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struct offset_v1 {
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int k_uniqueness;
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};
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struct offset_v2 {
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long v;
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} __attribute__ ((__packed__));
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struct reiserfs_key {
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int k_objectid;
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union {
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struct offset_v1 k_offset_v1;
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struct offset_v2 k_offset_v2;
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} u;
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};
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struct item_head
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{
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struct reiserfs_key ih_key;
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int ih_version;
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};
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static void set_offset_v2_k_type(struct offset_v2 *v2)
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{
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v2->v &= 1;
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}
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static void set_le_key_k_type (int version, struct reiserfs_key * key)
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{
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version ? (key->u.k_offset_v1.k_uniqueness = 1)
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: set_offset_v2_k_type(&(key->u.k_offset_v2));
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}
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static void set_le_ih_k_type (struct item_head * ih)
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{
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set_le_key_k_type((__builtin_constant_p((ih)->ih_version) ? (ih)->ih_version : (ih)->ih_version), &(ih->ih_key));
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}
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void boo(struct item_head *ih, const char *body);
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void direct2indirect(void)
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{
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struct item_head *p_le_ih;
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struct item_head ind_ih;
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unsigned int unfm_ptr;
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if (__builtin_expect(32, 0)) __asm__ ("break");
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set_le_ih_k_type (&ind_ih);
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if (__builtin_constant_p(p_le_ih) ? 1 : 2) {
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(__builtin_constant_p(__builtin_constant_p(1) == 1));
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boo(&ind_ih, (char *)&unfm_ptr);
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}
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}
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