X-Git-Url: http://nsz.repo.hu/git/?a=blobdiff_plain;f=ir%2Fbe%2Fbenode.c;h=99ffc6d53845a762dbd87e065de025cd22acd8b9;hb=11ec7d301df76c9df0344e3b1b8dcaf724f6a1f0;hp=70cd604a78b136503e7e99fda00397fa82b4cc3e;hpb=7ac90687a76ac7f73c98dca2881b641f2f77ed55;p=libfirm diff --git a/ir/be/benode.c b/ir/be/benode.c index 70cd604a7..99ffc6d53 100644 --- a/ir/be/benode.c +++ b/ir/be/benode.c @@ -5,7 +5,7 @@ * * Backend node support. * - * This file provdies Perm, Copy, Spill and Reload nodes. + * This file provides Perm, Copy, Spill and Reload nodes. * * Copyright (C) 2005 Universitaet Karlsruhe * Released under the GPL @@ -84,28 +84,40 @@ typedef struct { be_req_t in_req; } be_reg_data_t; +/** The generic be nodes attribute type. */ typedef struct { - int max_reg_data; - be_reg_data_t *reg_data; + int max_reg_data; + be_reg_data_t *reg_data; } be_node_attr_t; +/** The be_Return nodes attribute type. */ +typedef struct { + be_node_attr_t node_attr; + int num_ret_vals; /**< number of return values */ +} be_return_attr_t; + +/** The be_Stack attribute type. */ typedef struct { be_node_attr_t node_attr; int offset; /**< The offset by which the stack shall be increased/decreased. */ - be_stack_dir_t dir; /**< The direction in which the stack shall be modified (along or in the other direction). */ + be_stack_dir_t dir; /**< The direction in which the stack shall be modified (expand or shrink). */ } be_stack_attr_t; +/** The be_Frame attribute type. */ typedef struct { be_node_attr_t node_attr; entity *ent; int offset; } be_frame_attr_t; +/** The be_Call attribute type. */ typedef struct { be_node_attr_t node_attr; - entity *ent; + entity *ent; /**< The called entity if this is a static call. */ + ir_type *call_tp; /**< The call type, copied from the original Call node. */ } be_call_attr_t; +/** The be_Spill attribute type. */ typedef struct { be_frame_attr_t frame_attr; ir_node *spill_ctx; /**< The node in whose context this spill was introduced. */ @@ -143,6 +155,8 @@ static const ir_op_ops be_node_op_ops; #define H irop_flag_highlevel #define c irop_flag_constlike #define K irop_flag_keep +#define M irop_flag_machine + void be_node_init(void) { static int inited = 0; @@ -155,23 +169,23 @@ void be_node_init(void) { /* Acquire all needed opcodes. */ beo_base = get_next_ir_opcodes(beo_Last - 1); - op_be_Spill = new_ir_op(beo_base + beo_Spill, "Spill", op_pin_state_mem_pinned, N, oparity_unary, 0, sizeof(be_spill_attr_t), &be_node_op_ops); - op_be_Reload = new_ir_op(beo_base + beo_Reload, "Reload", op_pin_state_mem_pinned, N, oparity_zero, 0, sizeof(be_frame_attr_t), &be_node_op_ops); - op_be_Perm = new_ir_op(beo_base + beo_Perm, "Perm", op_pin_state_pinned, N, oparity_variable, 0, sizeof(be_node_attr_t), &be_node_op_ops); - op_be_Copy = new_ir_op(beo_base + beo_Copy, "Copy", op_pin_state_floats, N, oparity_unary, 0, sizeof(be_node_attr_t), &be_node_op_ops); - op_be_Keep = new_ir_op(beo_base + beo_Keep, "Keep", op_pin_state_pinned, K, oparity_variable, 0, sizeof(be_node_attr_t), &be_node_op_ops); - op_be_CopyKeep = new_ir_op(beo_base + beo_CopyKeep, "CopyKeep", op_pin_state_pinned, K, oparity_variable, 0, sizeof(be_node_attr_t), &be_node_op_ops); - op_be_Call = new_ir_op(beo_base + beo_Call, "Call", op_pin_state_pinned, N, oparity_variable, 0, sizeof(be_call_attr_t), &be_node_op_ops); - op_be_Return = new_ir_op(beo_base + beo_Return, "Return", op_pin_state_pinned, X, oparity_variable, 0, sizeof(be_node_attr_t), &be_node_op_ops); - op_be_AddSP = new_ir_op(beo_base + beo_AddSP, "AddSP", op_pin_state_pinned, N, oparity_unary, 0, sizeof(be_node_attr_t), &be_node_op_ops); - op_be_SetSP = new_ir_op(beo_base + beo_SetSP, "SetSP", op_pin_state_pinned, N, oparity_binary, 0, sizeof(be_stack_attr_t), &be_node_op_ops); - op_be_IncSP = new_ir_op(beo_base + beo_IncSP, "IncSP", op_pin_state_pinned, N, oparity_binary, 0, sizeof(be_stack_attr_t), &be_node_op_ops); - op_be_RegParams = new_ir_op(beo_base + beo_RegParams, "RegParams", op_pin_state_pinned, N, oparity_zero, 0, sizeof(be_node_attr_t), &be_node_op_ops); - op_be_StackParam = new_ir_op(beo_base + beo_StackParam, "StackParam", op_pin_state_pinned, N, oparity_unary, 0, sizeof(be_frame_attr_t), &be_node_op_ops); - op_be_FrameAddr = new_ir_op(beo_base + beo_FrameAddr, "FrameAddr", op_pin_state_pinned, N, oparity_binary, 0, sizeof(be_frame_attr_t), &be_node_op_ops); - op_be_FrameLoad = new_ir_op(beo_base + beo_FrameLoad, "FrameLoad", op_pin_state_pinned, N, oparity_any, 0, sizeof(be_frame_attr_t), &be_node_op_ops); - op_be_FrameStore = new_ir_op(beo_base + beo_FrameStore, "FrameStore", op_pin_state_pinned, N, oparity_any, 0, sizeof(be_frame_attr_t), &be_node_op_ops); - op_be_Barrier = new_ir_op(beo_base + beo_Barrier, "Barrier", op_pin_state_pinned, N, oparity_any, 0, sizeof(be_node_attr_t), &be_node_op_ops); + op_be_Spill = new_ir_op(beo_base + beo_Spill, "be_Spill", op_pin_state_mem_pinned, N, oparity_unary, 0, sizeof(be_spill_attr_t), &be_node_op_ops); + op_be_Reload = new_ir_op(beo_base + beo_Reload, "be_Reload", op_pin_state_mem_pinned, N, oparity_zero, 0, sizeof(be_frame_attr_t), &be_node_op_ops); + op_be_Perm = new_ir_op(beo_base + beo_Perm, "be_Perm", op_pin_state_pinned, N, oparity_variable, 0, sizeof(be_node_attr_t), &be_node_op_ops); + op_be_Copy = new_ir_op(beo_base + beo_Copy, "be_Copy", op_pin_state_floats, N, oparity_unary, 0, sizeof(be_node_attr_t), &be_node_op_ops); + op_be_Keep = new_ir_op(beo_base + beo_Keep, "be_Keep", op_pin_state_pinned, K, oparity_variable, 0, sizeof(be_node_attr_t), &be_node_op_ops); + op_be_CopyKeep = new_ir_op(beo_base + beo_CopyKeep, "be_CopyKeep", op_pin_state_pinned, K, oparity_variable, 0, sizeof(be_node_attr_t), &be_node_op_ops); + op_be_Call = new_ir_op(beo_base + beo_Call, "be_Call", op_pin_state_pinned, N, oparity_variable, 0, sizeof(be_call_attr_t), &be_node_op_ops); + op_be_Return = new_ir_op(beo_base + beo_Return, "be_Return", op_pin_state_pinned, X, oparity_variable, 0, sizeof(be_return_attr_t), &be_node_op_ops); + op_be_AddSP = new_ir_op(beo_base + beo_AddSP, "be_AddSP", op_pin_state_pinned, N, oparity_unary, 0, sizeof(be_node_attr_t), &be_node_op_ops); + op_be_SetSP = new_ir_op(beo_base + beo_SetSP, "be_SetSP", op_pin_state_pinned, N, oparity_binary, 0, sizeof(be_stack_attr_t), &be_node_op_ops); + op_be_IncSP = new_ir_op(beo_base + beo_IncSP, "be_IncSP", op_pin_state_pinned, N, oparity_binary, 0, sizeof(be_stack_attr_t), &be_node_op_ops); + op_be_RegParams = new_ir_op(beo_base + beo_RegParams, "be_RegParams", op_pin_state_pinned, N, oparity_zero, 0, sizeof(be_node_attr_t), &be_node_op_ops); + op_be_StackParam = new_ir_op(beo_base + beo_StackParam, "be_StackParam", op_pin_state_pinned, N, oparity_unary, 0, sizeof(be_frame_attr_t), &be_node_op_ops); + op_be_FrameAddr = new_ir_op(beo_base + beo_FrameAddr, "be_FrameAddr", op_pin_state_pinned, N, oparity_binary, 0, sizeof(be_frame_attr_t), &be_node_op_ops); + op_be_FrameLoad = new_ir_op(beo_base + beo_FrameLoad, "be_FrameLoad", op_pin_state_pinned, N, oparity_any, 0, sizeof(be_frame_attr_t), &be_node_op_ops); + op_be_FrameStore = new_ir_op(beo_base + beo_FrameStore, "be_FrameStore", op_pin_state_pinned, N, oparity_any, 0, sizeof(be_frame_attr_t), &be_node_op_ops); + op_be_Barrier = new_ir_op(beo_base + beo_Barrier, "be_Barrier", op_pin_state_pinned, N, oparity_any, 0, sizeof(be_node_attr_t), &be_node_op_ops); set_op_tag(op_be_Spill, &be_node_tag); set_op_tag(op_be_Reload, &be_node_tag); @@ -189,9 +203,12 @@ void be_node_init(void) { set_op_tag(op_be_FrameLoad, &be_node_tag); set_op_tag(op_be_FrameStore, &be_node_tag); set_op_tag(op_be_FrameAddr, &be_node_tag); - set_op_tag(op_be_Barrier, &be_node_tag); + set_op_tag(op_be_Barrier, &be_node_tag); } +/** + * Initializes the generic attribute of all be nodes and return ir. + */ static void *init_node_attr(ir_node* irn, int max_reg_data) { ir_graph *irg = get_irn_irg(irn); @@ -324,6 +341,10 @@ ir_node *be_new_Copy(const arch_register_class_t *cls, ir_graph *irg, ir_node *b return res; } +ir_node *be_get_Copy_op(const ir_node *cpy) { + return get_irn_n(cpy, be_pos_Copy_op); +} + ir_node *be_new_Keep(const arch_register_class_t *cls, ir_graph *irg, ir_node *bl, int n, ir_node *in[]) { int i; @@ -338,51 +359,79 @@ ir_node *be_new_Keep(const arch_register_class_t *cls, ir_graph *irg, ir_node *b return irn; } -ir_node *be_new_Call(ir_graph *irg, ir_node *bl, ir_node *mem, ir_node *sp, ir_node *ptr, int n_outs, int n, ir_node *in[]) +ir_node *be_new_Call(dbg_info *dbg, ir_graph *irg, ir_node *bl, ir_node *mem, ir_node *sp, ir_node *ptr, + int n_outs, int n, ir_node *in[], ir_type *call_tp) { - int real_n = 3 + n; + be_call_attr_t *a; + int real_n = be_pos_Call_first_arg + n; ir_node *irn; ir_node **real_in; - real_in = malloc(sizeof(real_in[0]) * (real_n)); - - real_in[0] = mem; - real_in[1] = sp; - real_in[2] = ptr; - memcpy(&real_in[3], in, n * sizeof(in[0])); + NEW_ARR_A(ir_node *, real_in, real_n); + real_in[be_pos_Call_mem] = mem; + real_in[be_pos_Call_sp] = sp; + real_in[be_pos_Call_ptr] = ptr; + memcpy(&real_in[be_pos_Call_first_arg], in, n * sizeof(in[0])); irn = new_ir_node(NULL, irg, bl, op_be_Call, mode_T, real_n, real_in); - init_node_attr(irn, (n_outs > real_n ? n_outs : real_n)); + a = init_node_attr(irn, (n_outs > real_n ? n_outs : real_n)); + a->ent = NULL; + a->call_tp = call_tp; return irn; } -entity *be_Call_get_entity(const ir_node *call) -{ +/* Gets the call entity or NULL if this is no static call. */ +entity *be_Call_get_entity(const ir_node *call) { be_call_attr_t *a = get_irn_attr(call); assert(be_is_Call(call)); return a->ent; } -void be_Call_set_entity(ir_node *call, entity *ent) -{ +/* Sets the call entity. */ +void be_Call_set_entity(ir_node *call, entity *ent) { be_call_attr_t *a = get_irn_attr(call); assert(be_is_Call(call)); a->ent = ent; } -ir_node *be_new_Return(ir_graph *irg, ir_node *bl, int n, ir_node *in[]) +/* Gets the call type. */ +ir_type *be_Call_get_type(ir_node *call) { + be_call_attr_t *a = get_irn_attr(call); + assert(be_is_Call(call)); + return a->call_tp; +} + +/* Sets the call type. */ +void be_Call_set_type(ir_node *call, ir_type *call_tp) { + be_call_attr_t *a = get_irn_attr(call); + assert(be_is_Call(call)); + a->call_tp = call_tp; +} + +/* Construct a new be_Return. */ +ir_node *be_new_Return(dbg_info *dbg, ir_graph *irg, ir_node *bl, int n_res, int n, ir_node *in[]) { - ir_node *irn = new_ir_node(NULL, irg, bl, op_be_Return, mode_X, n, in); + be_return_attr_t *a; + ir_node *irn = new_ir_node(dbg, irg, bl, op_be_Return, mode_X, n, in); init_node_attr(irn, n); + a = get_irn_attr(irn); + a->num_ret_vals = n_res; return irn; } +/* Returns the number of real returns values */ +int be_Return_get_n_rets(ir_node *ret) +{ + be_return_attr_t *a = get_irn_attr(ret); + return a->num_ret_vals; +} + ir_node *be_new_IncSP(const arch_register_t *sp, ir_graph *irg, ir_node *bl, ir_node *old_sp, ir_node *mem, unsigned offset, be_stack_dir_t dir) { be_stack_attr_t *a; ir_node *irn; - ir_node *in[1]; + ir_node *in[2]; in[0] = old_sp; in[1] = mem; @@ -391,7 +440,7 @@ ir_node *be_new_IncSP(const arch_register_t *sp, ir_graph *irg, ir_node *bl, ir_ a->dir = dir; a->offset = offset; - be_node_set_flags(irn, -1, arch_irn_flags_ignore); + be_node_set_flags(irn, -1, arch_irn_flags_ignore | arch_irn_flags_modify_sp); /* Set output constraint to stack register. */ be_node_set_reg_class(irn, 0, sp->reg_class); @@ -413,7 +462,7 @@ ir_node *be_new_AddSP(const arch_register_t *sp, ir_graph *irg, ir_node *bl, ir_ irn = new_ir_node(NULL, irg, bl, op_be_AddSP, mode_T, be_pos_AddSP_last, in); a = init_node_attr(irn, be_pos_AddSP_last); - be_node_set_flags(irn, OUT_POS(0), arch_irn_flags_ignore); + be_node_set_flags(irn, OUT_POS(0), arch_irn_flags_ignore | arch_irn_flags_modify_sp); /* Set output constraint to stack register. */ be_set_constr_single_reg(irn, OUT_POS(0), sp); @@ -433,7 +482,7 @@ ir_node *be_new_SetSP(const arch_register_t *sp, ir_graph *irg, ir_node *bl, ir_ irn = new_ir_node(NULL, irg, bl, op_be_SetSP, get_irn_mode(old_sp), 3, in); a = init_node_attr(irn, 3); - be_node_set_flags(irn, OUT_POS(0), arch_irn_flags_ignore); + be_node_set_flags(irn, OUT_POS(0), arch_irn_flags_ignore | arch_irn_flags_modify_sp); /* Set output constraint to stack register. */ be_set_constr_single_reg(irn, OUT_POS(0), sp); @@ -531,7 +580,7 @@ ir_node *be_new_CopyKeep(const arch_register_class_t *cls, ir_graph *irg, ir_nod in[0] = src; memcpy(&in[1], in_keep, n * sizeof(in[0])); irn = new_ir_node(NULL, irg, bl, op_be_CopyKeep, mode, n + 1, in); - init_node_attr(irn, n); + init_node_attr(irn, n + 1); be_node_set_reg_class(irn, OUT_POS(0), cls); be_node_set_reg_class(irn, 0, cls); @@ -558,6 +607,7 @@ ir_node *be_new_Barrier(ir_graph *irg, ir_node *bl, int n, ir_node *in[]) int be_is_Spill (const ir_node *irn) { return be_get_irn_opcode(irn) == beo_Spill ; } int be_is_Reload (const ir_node *irn) { return be_get_irn_opcode(irn) == beo_Reload ; } int be_is_Copy (const ir_node *irn) { return be_get_irn_opcode(irn) == beo_Copy ; } +int be_is_CopyKeep (const ir_node *irn) { return be_get_irn_opcode(irn) == beo_CopyKeep ; } int be_is_Perm (const ir_node *irn) { return be_get_irn_opcode(irn) == beo_Perm ; } int be_is_Keep (const ir_node *irn) { return be_get_irn_opcode(irn) == beo_Keep ; } int be_is_Call (const ir_node *irn) { return be_get_irn_opcode(irn) == beo_Call ; } @@ -582,9 +632,9 @@ int be_has_frame_entity(const ir_node *irn) case beo_FrameLoad: case beo_FrameAddr: return 1; + default: + return 0; } - - return 0; } entity *be_get_frame_entity(const ir_node *irn) @@ -676,6 +726,21 @@ void be_node_set_req_type(ir_node *irn, int pos, arch_register_req_type_t type) r->req.type = type; } +ir_node *be_get_IncSP_pred(ir_node *irn) { + assert(be_is_IncSP(irn)); + return get_irn_n(irn, 0); +} + +void be_set_IncSP_pred(ir_node *incsp, ir_node *pred) { + assert(be_is_IncSP(incsp)); + set_irn_n(incsp, 0, pred); +} + +ir_node *be_get_IncSP_mem(ir_node *irn) { + assert(be_is_IncSP(irn)); + return get_irn_n(irn, 1); +} + void be_set_IncSP_offset(ir_node *irn, unsigned offset) { be_stack_attr_t *a = get_irn_attr(irn); @@ -758,8 +823,6 @@ static INLINE ir_node *find_a_spill(const ir_node *irn) entity *be_get_spill_entity(const ir_node *irn) { - int opc = get_irn_opcode(irn); - switch(be_get_irn_opcode(irn)) { case beo_Reload: { @@ -827,7 +890,7 @@ ir_node *be_spill(const arch_env_t *arch_env, ir_node *irn, ir_node *ctx) */ insert = sched_next(irn); - if(bl == get_irg_start_block(irg) && insert != bl && sched_get_time_step(frame) >= sched_get_time_step(insert)) + if(insert != bl && bl == get_irg_start_block(irg) && sched_get_time_step(frame) >= sched_get_time_step(insert)) insert = sched_next(frame); while((is_Phi(insert) || is_Proj(insert)) && !sched_is_end(insert)) @@ -881,7 +944,7 @@ static void *put_out_reg_req(arch_register_req_t *req, const ir_node *irn, int o if(be_is_Copy(irn)) { req->type |= arch_register_req_type_should_be_same; - req->other_same = get_irn_n(irn, be_pos_Copy_orig); + req->other_same = be_get_Copy_op(irn); } } else { @@ -895,7 +958,6 @@ static void *put_out_reg_req(arch_register_req_t *req, const ir_node *irn, int o static void *put_in_reg_req(arch_register_req_t *req, const ir_node *irn, int pos) { const be_node_attr_t *a = get_irn_attr(irn); - int n = get_irn_arity(irn); if(pos < get_irn_arity(irn) && pos < a->max_reg_data) memcpy(req, &a->reg_data[pos].in_req, sizeof(req[0])); @@ -948,11 +1010,12 @@ static arch_irn_class_t be_node_classify(const void *_self, const ir_node *irn) redir_proj((const ir_node **) &irn, -1); switch(be_get_irn_opcode(irn)) { -#define XXX(a,b) case beo_ ## a: return arch_irn_class_ ## b; - XXX(Spill, spill) - XXX(Reload, reload) - XXX(Perm, perm) - XXX(Copy, copy) +#define XXX(a,b) case beo_ ## a: return arch_irn_class_ ## b + XXX(Spill, spill); + XXX(Reload, reload); + XXX(Perm, perm); + XXX(Copy, copy); + XXX(Return, branch); #undef XXX default: return 0; @@ -1054,7 +1117,6 @@ static const arch_register_req_t *get_Phi_reg_req_recursive(const phi_handler_t { int n = get_irn_arity(phi); ir_node *op; - int done = 0; int i; if(*visited && pset_find_ptr(*visited, phi)) @@ -1184,6 +1246,9 @@ void be_phi_handler_reset(arch_irn_handler_t *handler) |_| |___/ */ +/** + * Dumps a register requirement to a file. + */ static void dump_node_req(FILE *f, int idx, be_req_t *req) { unsigned i; @@ -1218,6 +1283,9 @@ static void dump_node_req(FILE *f, int idx, be_req_t *req) fprintf(f, "\n"); } +/** + * Dumps node register requirements to a file. + */ static void dump_node_reqs(FILE *f, ir_node *irn) { int i; @@ -1241,6 +1309,9 @@ static void dump_node_reqs(FILE *f, ir_node *irn) } } +/** + * ir_op-Operation: dump a be node to file + */ static int dump_node(ir_node *irn, FILE *f, dump_reason_t reason) { be_node_attr_t *at = get_irn_attr(irn); @@ -1261,8 +1332,11 @@ static int dump_node(ir_node *irn, FILE *f, dump_reason_t reason) if(be_has_frame_entity(irn)) { be_frame_attr_t *a = (be_frame_attr_t *) at; - if (a->ent) - ir_fprintf(f, "frame entity: %+F offset %x (%d)\n", a->ent, a->offset, a->offset); + if (a->ent) { + int bits = get_type_size_bits(get_entity_type(a->ent)); + ir_fprintf(f, "frame entity: %+F offset 0x%x (%d) size 0x%x %d\n", + a->ent, a->offset, a->offset, bits, bits); + } } @@ -1277,18 +1351,30 @@ static int dump_node(ir_node *irn, FILE *f, dump_reason_t reason) case beo_IncSP: { be_stack_attr_t *a = (be_stack_attr_t *) at; - fprintf(f, "offset: %u\n", a->offset); - fprintf(f, "direction: %s\n", a->dir == be_stack_dir_along ? "along" : "against"); + if (a->offset == BE_STACK_FRAME_SIZE) + fprintf(f, "offset: FRAME_SIZE\n"); + else + fprintf(f, "offset: %u\n", a->offset); + fprintf(f, "direction: %s\n", a->dir == be_stack_dir_expand ? "expand" : "shrink"); } break; - } + case beo_Call: + { + be_call_attr_t *a = (be_call_attr_t *) at; + if (a->ent) + fprintf(f, "\ncalling: %s\n", get_entity_name(a->ent)); + } + default: + break; + } } return 0; } /** + * ir_op-Operation: * Copies the backend specific attributes from old node to new node. */ static void copy_attr(const ir_node *old_node, ir_node *new_node)