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[/] [openrisc/] [trunk/] [gnu-old/] [gcc-4.2.2/] [gcc/] [testsuite/] [gcc.dg/] [20050629-1.c] - Rev 149
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/* { dg-do compile } */ /* { dg-options "-O2 -w" } */ /* This file was automatically reduced from tree-ssa-operands.c. It contains many warnings, but it exposes a copy propagation bug that is somewhat difficult to reproduce otherwise. */ typedef long unsigned int size_t; extern void fancy_abort (const char *, int, const char *) __attribute__ ((__noreturn__)); typedef union tree_node *tree; enum tree_code { TREE_LIST, ARRAY_TYPE, RECORD_TYPE, UNION_TYPE, QUAL_UNION_TYPE, STRING_CST, LT_EXPR, GE_EXPR, LABEL_EXPR, ASM_EXPR, SSA_NAME, }; enum tree_code_class { tcc_type, tcc_reference, tcc_expression }; extern const enum tree_code_class tree_code_type[]; extern const unsigned char tree_code_length[]; struct tree_common { union tree_ann_d *ann; __extension__ enum tree_code code : 8; }; struct tree_string { char str[1]; }; struct tree_list { tree purpose; tree value; }; struct tree_exp { tree operands[1]; }; typedef struct ssa_use_operand_d { struct ssa_use_operand_d* prev; struct ssa_use_operand_d* next; tree stmt; tree * use; } ssa_use_operand_t; struct tree_ssa_name { struct ssa_use_operand_d imm_uses; }; union tree_node { struct tree_common common; struct tree_string string; struct tree_list list; struct tree_exp exp; struct tree_ssa_name ssa_name; }; typedef struct bitmap_head_def *bitmap; typedef union varray_data_tag { char c[1]; int i[1]; tree * tp[1]; } varray_data; struct varray_head_tag { size_t num_elements; size_t elements_used; varray_data data; }; typedef struct varray_head_tag *varray_type; extern void varray_check_failed (varray_type, size_t, const char *, int, const char *) __attribute__ ((__noreturn__)); typedef ssa_use_operand_t *use_operand_p; struct use_optype_d { struct use_optype_d *next; struct ssa_use_operand_d use_ptr; }; typedef struct use_optype_d *use_optype_p; struct ssa_operand_memory_d { char mem[(2048 - sizeof (void *))]; }; struct stmt_operands_d { struct use_optype_d * use_ops; }; struct ptr_info_def { tree name_mem_tag; }; typedef struct subvar *subvar_t; struct var_ann_d { size_t uid; }; struct stmt_ann_d { unsigned modified : 1; struct stmt_operands_d operands; bitmap addresses_taken; }; typedef struct var_ann_d *var_ann_t; typedef struct stmt_ann_d *stmt_ann_t; static __inline__ var_ann_t var_ann (tree t) { } static __inline__ stmt_ann_t stmt_ann (tree t) { ((void)(!(is_gimple_stmt (t)) ? fancy_abort ("/home/cygnus/dnovillo/gcc/src.ppc64/gcc/tree-flow-inline.h", 55, __FUNCTION__), 0 : 0)); return (stmt_ann_t) t->common.ann; } static __inline__ unsigned char stmt_modified_p (tree t) { stmt_ann_t ann = stmt_ann (t); return ann ? ann->modified : 1; } static __inline__ void delink_imm_use (ssa_use_operand_t *linknode) { if (linknode->prev == ((void *)0)) return; linknode->prev->next = linknode->next; linknode->next->prev = linknode->prev; linknode->prev = ((void *)0); linknode->next = ((void *)0); } static __inline__ void link_imm_use_to_list (ssa_use_operand_t *linknode, ssa_use_operand_t *list) { linknode->prev = list; linknode->next = list->next; list->next = linknode; } static __inline__ void link_imm_use (ssa_use_operand_t *linknode, tree def) { ssa_use_operand_t *root; if (!def || ((enum tree_code) (def)->common.code) != SSA_NAME) linknode->prev = ((void *)0); else { root = &(__extension__ ({ const tree __t = (def); if (((enum tree_code) (__t)->common.code) != (SSA_NAME)) tree_check_failed (__t, "/home/cygnus/dnovillo/gcc/src.ppc64/gcc/tree-flow-inline.h", 222, __FUNCTION__, (SSA_NAME), 0); __t; } )->ssa_name.imm_uses); link_imm_use_to_list (linknode, root); } } static __inline__ void link_imm_use_stmt (ssa_use_operand_t *linknode, tree def, tree stmt) { link_imm_use (linknode, def); } struct ggc_root_tab { }; struct opbuild_list_d { varray_type vars; varray_type uid; varray_type next; int first; unsigned num; }; static struct opbuild_list_d build_uses; static struct opbuild_list_d build_v_may_defs; static struct ssa_operand_memory_d *operand_memory = ((void *)0); static unsigned operand_memory_index; static use_optype_p free_uses = ((void *)0); static __inline__ int opbuild_next (struct opbuild_list_d *list, int prev) { return __extension__ (*({ varray_type const _va = (list->next); const size_t _n = (prev); if (_n >= _va->num_elements) varray_check_failed (_va, _n, "/home/cygnus/dnovillo/gcc/src.ppc64/gcc/tree-ssa-operands.c", 323, __FUNCTION__); &_va->data.i[_n]; } )); } static __inline__ tree * opbuild_elem_real (struct opbuild_list_d *list, int elem) { return __extension__ (*({ varray_type const _va = (list->vars); const size_t _n = (elem); if (_n >= _va->num_elements) varray_check_failed (_va, _n, "/home/cygnus/dnovillo/gcc/src.ppc64/gcc/tree-ssa-operands.c", 332, __FUNCTION__); &_va->data.tp[_n]; } )); } static __inline__ void opbuild_clear (struct opbuild_list_d *list) { ((list->vars)->elements_used = 0); ((list->next)->elements_used = 0); } static __inline__ void * ssa_operand_alloc (unsigned size) { char *ptr; if (operand_memory_index + size >= (2048 - sizeof (void *))) { ptr = ggc_alloc_stat (sizeof (struct ssa_operand_memory_d) ); } ptr = &(operand_memory->mem[operand_memory_index]); return ptr; } static __inline__ void correct_use_link (use_operand_p ptr, tree stmt) { use_operand_p prev; tree root; prev = ptr->prev; if (prev) { unsigned char stmt_mod = 1; while (stmt_mod) { while (prev->stmt == stmt || prev->stmt == ((void *)0)) prev = prev->prev; if (prev->use == ((void *)0)) stmt_mod = 0; else if ((stmt_mod = stmt_modified_p (prev->stmt))) prev = prev->prev; } if (prev->use == ((void *)0)) root = prev->stmt; else root = *(prev->use); if (root == *(ptr->use)) return; } delink_imm_use (ptr); link_imm_use (ptr, *(ptr->use)); } static __inline__ struct use_optype_d * alloc_use (void) { struct use_optype_d *ret; { free_uses = free_uses->next; } ret = (struct use_optype_d *)ssa_operand_alloc (sizeof (struct use_optype_d)); return ret; } static __inline__ void finalize_ssa_use_ops (tree stmt) { int new_i; struct use_optype_d *old_ops, *ptr, *last; tree * old_base; struct use_optype_d new_list; last = &new_list; if (old_ops) old_base = ((old_ops)->use_ptr.use); while (old_ops && new_i != -1) { tree * new_base = opbuild_elem_real (&build_uses, (new_i)); if (old_base == new_base) { last->next = old_ops; last = old_ops; correct_use_link ((&((last)->use_ptr)), stmt); old_ops = old_ops->next; new_i = opbuild_next (&build_uses, new_i); } else if (old_base < new_base) { use_operand_p use_p = (&((old_ops)->use_ptr)); delink_imm_use (use_p); old_ops = old_ops->next; ptr->next = free_uses; } else { ptr = alloc_use (); (ptr)->use_ptr.use = (opbuild_elem_real (&build_uses, (new_i))); link_imm_use_stmt (&((ptr)->use_ptr), *(opbuild_elem_real (&build_uses, (new_i))), (stmt)); new_i = opbuild_next (&build_uses, new_i); } if (old_ops) old_base = ((old_ops)->use_ptr.use); } for ( ; new_i != -1; new_i = opbuild_next (&build_uses, new_i)) { ptr = alloc_use (); (ptr)->use_ptr.use = (opbuild_elem_real (&build_uses, (new_i))); link_imm_use_stmt (&((ptr)->use_ptr), *(opbuild_elem_real (&build_uses, (new_i))), (stmt)); } { { use_operand_p use_p = (&((ptr)->use_ptr)); delink_imm_use (use_p); } } (stmt_ann (stmt)->operands.use_ops) = new_list.next; { unsigned x = 0; for (ptr = (stmt_ann (stmt)->operands.use_ops); ptr; ptr = ptr->next) x++; } } finalize_ssa_uses (tree stmt) { { unsigned x; ((void)(!(*(opbuild_elem_real (&build_uses, x)) != stmt) ? fancy_abort ("/home/cygnus/dnovillo/gcc/src.ppc64/gcc/tree-ssa-operands.c", 581, __FUNCTION__), 0 : 0)); } finalize_ssa_use_ops (stmt); opbuild_clear (&build_uses); } finalize_ssa_v_may_def_ops (tree stmt) { int new_i; { } for ( ; new_i != -1; new_i = opbuild_next (&build_v_may_defs, new_i)) { } { } } get_expr_operands (tree stmt, tree *expr_p, int flags) { enum tree_code code; tree expr = *expr_p; { { subvar_t svars; if (var_can_have_subvars (expr) && (svars = get_subvars_for_var (expr))) { } { } } { { if (code == LT_EXPR || code == GE_EXPR) { swap_tree_operands (stmt, &__extension__ (*({const tree __t = __extension__ ({ const tree __t = (expr); char const __c = tree_code_type[(int) (((enum tree_code) (__t)->common.code))]; if (!((__c) >= tcc_reference && (__c) <= tcc_expression)) tree_class_check_failed (__t, tcc_expression, "/home/cygnus/dnovillo/gcc/src.ppc64/gcc/tree-ssa-operands.c", 1435, __FUNCTION__); __t; }); const int __i = (0); if (__i < 0 || __i >= tree_code_length[(int) (((enum tree_code) (__t)->common.code))]) tree_operand_check_failed (__i, ((enum tree_code) (__t)->common.code), "/home/cygnus/dnovillo/gcc/src.ppc64/gcc/tree-ssa-operands.c", 1435, __FUNCTION__); &__t->exp.operands[__i]; })), &__extension__ (*({const tree __t = __extension__ ({ const tree __t = (expr); char const __c = tree_code_type[(int) (((enum tree_code) (__t)->common.code))]; if (!((__c) >= tcc_reference && (__c) <= tcc_expression)) tree_class_check_failed (__t, tcc_expression, "/home/cygnus/dnovillo/gcc/src.ppc64/gcc/tree-ssa-operands.c", 1436, __FUNCTION__); __t; }); const int __i = (1); if (__i < 0 || __i >= tree_code_length[(int) (((enum tree_code) (__t)->common.code))]) tree_operand_check_failed (__i, ((enum tree_code) (__t)->common.code), "/home/cygnus/dnovillo/gcc/src.ppc64/gcc/tree-ssa-operands.c", 1436, __FUNCTION__); &__t->exp.operands[__i]; }))); } { } } } } } get_asm_expr_operands (tree stmt) { int noutputs = list_length (__extension__ (*({ const tree __t = __extension__ ({ const tree __t = (__extension__ ({ const tree __t = (stmt); if (((enum tree_code) (__t)->common.code) != (ASM_EXPR)) tree_check_failed (__t, "/home/cygnus/dnovillo/gcc/src.ppc64/gcc/tree-ssa-operands.c", 1495, __FUNCTION__, (ASM_EXPR), 0); __t; })); char const __c = tree_code_type[(int) (((enum tree_code) (__t)->common.code))]; if (!((__c) >= tcc_reference && (__c) <= tcc_expression)) tree_class_check_failed (__t, tcc_expression, "/home/cygnus/dnovillo/gcc/src.ppc64/gcc/tree-ssa-operands.c", 1495, __FUNCTION__); __t; } ); const int __i = (1); if (__i < 0 || __i >= tree_code_length[(int) (((enum tree_code) (__t)->common.code))]) tree_operand_check_failed (__i, ((enum tree_code) (__t)->common.code), "/home/cygnus/dnovillo/gcc/src.ppc64/gcc/tree-ssa-operands.c", 1495, __FUNCTION__); &__t->exp.operands[__i]; } ))); const char **oconstraints = (const char **) __builtin_alloca((noutputs) * sizeof (const char *)); int i; tree link; const char *constraint; unsigned char allows_mem, allows_reg, is_inout; { oconstraints[i] = constraint = ((const char *)(__extension__ ({ const tree __t = ((__extension__ ({ const tree __t = ((__extension__ ({ const tree __t = (link); if (((enum tree_code) (__t)->common.code) != (TREE_LIST)) tree_check_failed (__t, "/home/cygnus/dnovillo/gcc/src.ppc64/gcc/tree-ssa-operands.c", 1506, __FUNCTION__, (TREE_LIST), 0); __t; })->list.purpose)); if (((enum tree_code) (__t)->common.code) != (TREE_LIST)) tree_check_failed (__t, "/home/cygnus/dnovillo/gcc/src.ppc64/gcc/tree-ssa-operands.c", 1506, __FUNCTION__, (TREE_LIST), 0); __t; })->list.value)); if (((enum tree_code) (__t)->common.code) != (STRING_CST)) tree_check_failed (__t, "/home/cygnus/dnovillo/gcc/src.ppc64/gcc/tree-ssa-operands.c", 1506, __FUNCTION__, (STRING_CST), 0); __t; } )->string.str)); parse_output_constraint (&constraint, i, 0, 0, &allows_mem, &allows_reg, &is_inout); } } get_indirect_ref_operands (tree stmt, tree expr, int flags) { tree *pptr = &__extension__ (*({ const tree __t = __extension__ ({ const tree __t = (expr); char const __c = tree_code_type[(int) (((enum tree_code) (__t)->common.code))]; if (!((__c) >= tcc_reference && (__c) <= tcc_expression)) tree_class_check_failed (__t, tcc_expression, "/home/cygnus/dnovillo/gcc/src.ppc64/gcc/tree-ssa-operands.c", 1591, __FUNCTION__); __t; } ); const int __i = (0); if (__i < 0 || __i >= tree_code_length[(int) (((enum tree_code) (__t)->common.code))]) tree_operand_check_failed (__i, ((enum tree_code) (__t)->common.code), "/home/cygnus/dnovillo/gcc/src.ppc64/gcc/tree-ssa-operands.c", 1591, __FUNCTION__); &__t->exp.operands[__i]; } )); tree ptr = *pptr; { struct ptr_info_def *pi = ((void *)0); if (((enum tree_code) (ptr)->common.code) == SSA_NAME && pi->name_mem_tag) { } } } note_addressable (tree var, stmt_ann_t s_ann) { subvar_t svars; { if (var_can_have_subvars (var) && (svars = get_subvars_for_var (var))) bitmap_set_bit (s_ann->addresses_taken, var_ann (var)->uid); } } const struct ggc_root_tab gt_ggc_r_gt_tree_ssa_operands_h[] = { { &operand_memory, } , { } , { } , { } , };
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