X-Git-Url: http://nsz.repo.hu/git/?a=blobdiff_plain;f=ir%2Fbe%2Fsparc%2Fbearch_sparc.c;h=499c71f42ff67257709693b8a08d7a8e0a6e23a2;hb=f0570c5883d01b28fdb59010bfc18fdc3b15413b;hp=54db717e452289617cf5759565c2d7ffa6e7c664;hpb=9771520fae154447ba69158735a9d7b6b6ed7a1f;p=libfirm diff --git a/ir/be/sparc/bearch_sparc.c b/ir/be/sparc/bearch_sparc.c index 54db717e4..499c71f42 100644 --- a/ir/be/sparc/bearch_sparc.c +++ b/ir/be/sparc/bearch_sparc.c @@ -20,6 +20,7 @@ /** * @file * @brief The main sparc backend driver file. + * @author Hannes Rapp, Matthias Braun * @version $Id$ */ #include "config.h" @@ -69,7 +70,7 @@ DEBUG_ONLY(static firm_dbg_module_t *dbg = NULL;) static arch_irn_class_t sparc_classify(const ir_node *node) { (void) node; - return 0; + return arch_irn_class_none; } static ir_entity *sparc_get_frame_entity(const ir_node *node) @@ -107,12 +108,17 @@ static void sparc_set_frame_offset(ir_node *node, int offset) static int sparc_get_sp_bias(const ir_node *node) { if (is_sparc_Save(node)) { - const sparc_save_attr_t *attr = get_sparc_save_attr_const(node); - /* Note we do not retport the change of the SPARC_MIN_STACKSIZE + const sparc_attr_t *attr = get_sparc_attr_const(node); + if (get_irn_arity(node) == 3) + panic("no support for _reg variant yet"); + + /* Note we do not report the change of the SPARC_MIN_STACKSIZE * size, since we have additional magic in the emitter which * calculates that! */ - assert(attr->initial_stacksize >= SPARC_MIN_STACKSIZE); - return attr->initial_stacksize - SPARC_MIN_STACKSIZE; + assert(attr->immediate_value <= -SPARC_MIN_STACKSIZE); + return attr->immediate_value + SPARC_MIN_STACKSIZE; + } else if (is_sparc_RestoreZero(node)) { + return SP_BIAS_RESET; } return 0; } @@ -165,8 +171,8 @@ static void transform_Reload(ir_node *node) { ir_node *block = get_nodes_block(node); dbg_info *dbgi = get_irn_dbg_info(node); - ir_node *ptr = get_irn_n(node, be_pos_Spill_frame); - ir_node *mem = get_irn_n(node, be_pos_Reload_mem); + ir_node *ptr = get_irn_n(node, n_be_Spill_frame); + ir_node *mem = get_irn_n(node, n_be_Reload_mem); ir_mode *mode = get_irn_mode(node); ir_entity *entity = be_get_frame_entity(node); const arch_register_t *reg; @@ -194,9 +200,10 @@ static void transform_Spill(ir_node *node) { ir_node *block = get_nodes_block(node); dbg_info *dbgi = get_irn_dbg_info(node); - ir_node *ptr = get_irn_n(node, be_pos_Spill_frame); - ir_node *mem = new_NoMem(); - ir_node *val = get_irn_n(node, be_pos_Spill_val); + ir_node *ptr = get_irn_n(node, n_be_Spill_frame); + ir_graph *irg = get_irn_irg(node); + ir_node *mem = get_irg_no_mem(irg); + ir_node *val = get_irn_n(node, n_be_Spill_val); ir_mode *mode = get_irn_mode(val); ir_entity *entity = be_get_frame_entity(node); ir_node *sched_point; @@ -231,7 +238,7 @@ static void sparc_after_ra_walker(ir_node *block, void *data) static void sparc_collect_frame_entity_nodes(ir_node *node, void *data) { - be_fec_env_t *env = data; + be_fec_env_t *env = (be_fec_env_t*)data; const ir_mode *mode; int align; ir_entity *entity; @@ -276,10 +283,12 @@ static void sparc_set_frame_entity(ir_node *node, ir_entity *entity) static void sparc_after_ra(ir_graph *irg) { - be_fec_env_t *fec_env = be_new_frame_entity_coalescer(irg); + be_stack_layout_t *stack_layout = be_get_irg_stack_layout(irg); + bool at_begin = stack_layout->sp_relative ? true : false; + be_fec_env_t *fec_env = be_new_frame_entity_coalescer(irg); irg_walk_graph(irg, NULL, sparc_collect_frame_entity_nodes, fec_env); - be_assign_entities(fec_env, sparc_set_frame_entity); + be_assign_entities(fec_env, sparc_set_frame_entity, at_begin); be_free_frame_entity_coalescer(fec_env); irg_block_walk_graph(irg, NULL, sparc_after_ra_walker, NULL); @@ -290,14 +299,17 @@ static void sparc_init_graph(ir_graph *irg) (void) irg; } -const arch_isa_if_t sparc_isa_if; +extern const arch_isa_if_t sparc_isa_if; static sparc_isa_t sparc_isa_template = { { &sparc_isa_if, /* isa interface implementation */ - &sparc_gp_regs[REG_SP], /* stack pointer register */ - &sparc_gp_regs[REG_FRAME_POINTER], /* base pointer register */ + N_SPARC_REGISTERS, + sparc_registers, + N_SPARC_CLASSES, + sparc_reg_classes, + &sparc_registers[REG_SP], /* stack pointer register */ + &sparc_registers[REG_FRAME_POINTER],/* base pointer register */ &sparc_reg_classes[CLASS_sparc_gp], /* link pointer register class */ - -1, /* stack direction */ 3, /* power of two stack alignment for calls */ NULL, /* main environment */ @@ -327,28 +339,28 @@ static void rewrite_unsigned_float_Conv(ir_node *node) part_block(node); { - ir_node *block = get_nodes_block(node); - ir_node *unsigned_x = get_Conv_op(node); - ir_mode *mode_u = get_irn_mode(unsigned_x); - ir_mode *mode_s = find_signed_mode(mode_u); - ir_mode *mode_d = mode_D; - ir_node *signed_x = new_rd_Conv(dbgi, block, unsigned_x, mode_s); - ir_node *res = new_rd_Conv(dbgi, block, signed_x, mode_d); - ir_node *zero = new_r_Const(irg, get_mode_null(mode_s)); - ir_node *cmp = new_rd_Cmp(dbgi, block, signed_x, zero); - ir_node *proj_lt = new_r_Proj(cmp, mode_b, pn_Cmp_Lt); - ir_node *cond = new_rd_Cond(dbgi, block, proj_lt); - ir_node *proj_true = new_r_Proj(cond, mode_X, pn_Cond_true); - ir_node *proj_false = new_r_Proj(cond, mode_X, pn_Cond_false); - ir_node *in_true[1] = { proj_true }; - ir_node *in_false[1] = { proj_false }; - ir_node *true_block = new_r_Block(irg, ARRAY_SIZE(in_true), in_true); - ir_node *false_block = new_r_Block(irg, ARRAY_SIZE(in_false),in_false); - ir_node *true_jmp = new_r_Jmp(true_block); - ir_node *false_jmp = new_r_Jmp(false_block); - tarval *correction = new_tarval_from_double(4294967296., mode_d); - ir_node *c_const = new_r_Const(irg, correction); - ir_node *fadd = new_rd_Add(dbgi, true_block, res, c_const, + ir_node *block = get_nodes_block(node); + ir_node *unsigned_x = get_Conv_op(node); + ir_mode *mode_u = get_irn_mode(unsigned_x); + ir_mode *mode_s = find_signed_mode(mode_u); + ir_mode *mode_d = mode_D; + ir_node *signed_x = new_rd_Conv(dbgi, block, unsigned_x, mode_s); + ir_node *res = new_rd_Conv(dbgi, block, signed_x, mode_d); + ir_node *zero = new_r_Const(irg, get_mode_null(mode_s)); + ir_node *cmp = new_rd_Cmp(dbgi, block, signed_x, zero, + ir_relation_less); + ir_node *cond = new_rd_Cond(dbgi, block, cmp); + ir_node *proj_true = new_r_Proj(cond, mode_X, pn_Cond_true); + ir_node *proj_false = new_r_Proj(cond, mode_X, pn_Cond_false); + ir_node *in_true[1] = { proj_true }; + ir_node *in_false[1] = { proj_false }; + ir_node *true_block = new_r_Block(irg, ARRAY_SIZE(in_true), in_true); + ir_node *false_block = new_r_Block(irg, ARRAY_SIZE(in_false),in_false); + ir_node *true_jmp = new_r_Jmp(true_block); + ir_node *false_jmp = new_r_Jmp(false_block); + ir_tarval *correction = new_tarval_from_double(4294967296., mode_d); + ir_node *c_const = new_r_Const(irg, correction); + ir_node *fadd = new_rd_Add(dbgi, true_block, res, c_const, mode_d); ir_node *lower_in[2] = { true_jmp, false_jmp }; @@ -469,14 +481,7 @@ static void sparc_handle_intrinsics(void) */ static arch_env_t *sparc_init(FILE *outfile) { - static int run_once = 0; - sparc_isa_t *isa; - - if (run_once) - return NULL; - run_once = 1; - - isa = XMALLOC(sparc_isa_t); + sparc_isa_t *isa = XMALLOC(sparc_isa_t); memcpy(isa, &sparc_isa_template, sizeof(*isa)); isa->constants = pmap_create(); @@ -494,7 +499,7 @@ static arch_env_t *sparc_init(FILE *outfile) */ static void sparc_done(void *self) { - sparc_isa_t *isa = self; + sparc_isa_t *isa = (sparc_isa_t*)self; /* emit now all global declarations */ be_gas_emit_decls(isa->base.main_env); @@ -504,18 +509,6 @@ static void sparc_done(void *self) free(isa); } -static unsigned sparc_get_n_reg_class(void) -{ - return N_CLASSES; -} - -static const arch_register_class_t *sparc_get_reg_class(unsigned i) -{ - assert(i < N_CLASSES); - return &sparc_reg_classes[i]; -} - - /** * Get the register class which shall be used to store a value of a given mode. @@ -540,15 +533,32 @@ static int sparc_get_reg_class_alignment(const arch_register_class_t *cls) return get_mode_size_bytes(mode); } +static ir_node *sparc_create_set(ir_node *cond) +{ + return ir_create_cond_set(cond, mode_Iu); +} + static void sparc_lower_for_target(void) { - int i; - int n_irgs = get_irp_n_irgs(); + size_t i, n_irgs = get_irp_n_irgs(); + lower_mode_b_config_t lower_mode_b_config = { + mode_Iu, + sparc_create_set, + 0, + }; + lower_params_t params = { + 4, /* def_ptr_alignment */ + LF_COMPOUND_RETURN | LF_RETURN_HIDDEN, /* flags */ + ADD_HIDDEN_ALWAYS_IN_FRONT, /* hidden_params */ + NULL, /* find pointer type */ + NULL, /* ret_compound_in_regs */ + }; - /* TODO, doubleword lowering and others */ + lower_calls_with_compounds(¶ms); for (i = 0; i < n_irgs; ++i) { ir_graph *irg = get_irp_irg(i); + ir_lower_mode_b(irg, &lower_mode_b_config); lower_switch(irg, 256, false); } } @@ -556,9 +566,17 @@ static void sparc_lower_for_target(void) static int sparc_is_mux_allowed(ir_node *sel, ir_node *mux_false, ir_node *mux_true) { - (void) sel; - (void) mux_false; - (void) mux_true; + ir_graph *irg = get_irn_irg(sel); + ir_mode *mode = get_irn_mode(mux_true); + + if (get_irg_phase_state(irg) == phase_low) + return false; + + if (!mode_is_int(mode) && !mode_is_reference(mode) && mode != mode_b) + return false; + if (is_Const(mux_true) && is_Const_one(mux_true) && + is_Const(mux_false) && is_Const_null(mux_false)) + return true; return false; } @@ -580,7 +598,6 @@ static const backend_params *sparc_get_backend_params(void) 0, /* no inline assembly */ 0, /* no support for RotL nodes */ 1, /* big endian */ - sparc_lower_for_target, /* lowering callback */ &arch_dep, /* will be set later */ sparc_is_mux_allowed, /* parameter for if conversion */ NULL, /* float arithmetic mode */ @@ -614,10 +631,9 @@ static int sparc_is_valid_clobber(const char *clobber) const arch_isa_if_t sparc_isa_if = { sparc_init, + sparc_lower_for_target, sparc_done, NULL, /* handle intrinsics */ - sparc_get_n_reg_class, - sparc_get_reg_class, sparc_get_reg_class_for_mode, NULL, sparc_get_reg_class_alignment, @@ -633,7 +649,7 @@ const arch_isa_if_t sparc_isa_if = { sparc_prepare_graph, sparc_before_ra, sparc_after_ra, - NULL, /* finish */ + sparc_finish, sparc_emit_routine, };