#include "irprintf.h"
#include "ircons.h"
#include "irgmod.h"
-#include "lower_intrinsics.h"
+#include "lowering.h"
#include "bitset.h"
#include "debug.h"
#include "../benode_t.h"
#include "../belower.h"
#include "../besched_t.h"
-#include "../be.h"
+#include "be.h"
#include "../beabi.h"
#include "../bemachine.h"
#include "../beilpsched.h"
#include "../bemodule.h"
#include "../beirg_t.h"
+#include "../bespillslots.h"
#include "../begnuas.h"
#include "bearch_arm_t.h"
arm_code_gen_t *cg = self;
arm_register_transformers();
- irg_walk_blkwise_graph(cg->irg, arm_move_consts, arm_transform_node, cg);
+ irg_walk_blkwise_graph(cg->irg, NULL, arm_move_consts, cg);
+ irg_walk_blkwise_graph(cg->irg, NULL, arm_transform_node, cg);
}
/* Some stuff you need to do immediately after register allocation */
}
+/**
+ * We transform Spill and Reload here. This needs to be done before
+ * stack biasing otherwise we would miss the corrected offset for these nodes.
+ */
+static void arm_after_ra(void *self) {
+ arm_code_gen_t *cg = self;
+ be_coalesce_spillslots(cg->birg);
+}
/**
* Emits the code, closes the output file and frees
*/
static void arm_emit_and_done(void *self) {
arm_code_gen_t *cg = self;
- ir_graph *irg = cg->irg;
+ ir_graph *irg = cg->irg;
- dump_ir_block_graph_sched(irg, "-arm-finished");
arm_gen_routine(cg, irg);
cur_reg_set = NULL;
NULL, /* spill */
arm_before_sched, /* before scheduling hook */
arm_before_ra, /* before register allocation hook */
- NULL, /* after register allocation */
+ arm_after_ra,
arm_finish_irg,
arm_emit_and_done,
};
* to runtime calls.
*/
static void arm_handle_intrinsics(void) {
- ir_type *tp, *int_tp, *uint_tp;
- i_record records[8];
- int n_records = 0;
+ ir_type *tp, *int_tp, *uint_tp;
+ i_record records[8];
+ int n_records = 0;
#define ID(x) new_id_from_chars(x, sizeof(x)-1)
- int_tp = new_type_primitive(ID("int"), mode_Is);
- uint_tp = new_type_primitive(ID("uint"), mode_Iu);
+ int_tp = new_type_primitive(ID("int"), mode_Is);
+ uint_tp = new_type_primitive(ID("uint"), mode_Iu);
/* ARM has neither a signed div instruction ... */
- {
- runtime_rt rt_Div;
- i_instr_record *map_Div = &records[n_records++].i_instr;
-
- tp = new_type_method(ID("rt_iDiv"), 2, 1);
- set_method_param_type(tp, 0, int_tp);
- set_method_param_type(tp, 1, int_tp);
- set_method_res_type(tp, 0, int_tp);
-
- rt_Div.ent = new_entity(get_glob_type(), ID("__divsi3"), tp);
- rt_Div.mode = mode_T;
- rt_Div.mem_proj_nr = pn_Div_M;
- rt_Div.exc_proj_nr = pn_Div_X_except;
- rt_Div.exc_mem_proj_nr = pn_Div_M;
- rt_Div.res_proj_nr = pn_Div_res;
-
- set_entity_visibility(rt_Div.ent, visibility_external_allocated);
-
- map_Div->kind = INTRINSIC_INSTR;
- map_Div->op = op_Div;
- map_Div->i_mapper = (i_mapper_func)i_mapper_RuntimeCall;
- map_Div->ctx = &rt_Div;
- }
- /* ... nor a signed div instruction ... */
- {
- runtime_rt rt_Div;
- i_instr_record *map_Div = &records[n_records++].i_instr;
-
- tp = new_type_method(ID("rt_uDiv"), 2, 1);
- set_method_param_type(tp, 0, uint_tp);
- set_method_param_type(tp, 1, uint_tp);
- set_method_res_type(tp, 0, uint_tp);
-
- rt_Div.ent = new_entity(get_glob_type(), ID("__udivsi3"), tp);
- rt_Div.mode = mode_T;
- rt_Div.mem_proj_nr = pn_Div_M;
- rt_Div.exc_proj_nr = pn_Div_X_except;
- rt_Div.exc_mem_proj_nr = pn_Div_M;
- rt_Div.res_proj_nr = pn_Div_res;
-
- set_entity_visibility(rt_Div.ent, visibility_external_allocated);
-
- map_Div->kind = INTRINSIC_INSTR;
- map_Div->op = op_Div;
- map_Div->i_mapper = (i_mapper_func)i_mapper_RuntimeCall;
- map_Div->ctx = &rt_Div;
- }
+ {
+ runtime_rt rt_Div;
+ i_instr_record *map_Div = &records[n_records++].i_instr;
+
+ tp = new_type_method(ID("rt_iDiv"), 2, 1);
+ set_method_param_type(tp, 0, int_tp);
+ set_method_param_type(tp, 1, int_tp);
+ set_method_res_type(tp, 0, int_tp);
+
+ rt_Div.ent = new_entity(get_glob_type(), ID("__divsi3"), tp);
+ rt_Div.mode = mode_T;
+ rt_Div.res_mode = mode_Is;
+ rt_Div.mem_proj_nr = pn_Div_M;
+ rt_Div.regular_proj_nr = pn_Div_X_regular;
+ rt_Div.exc_proj_nr = pn_Div_X_except;
+ rt_Div.exc_mem_proj_nr = pn_Div_M;
+ rt_Div.res_proj_nr = pn_Div_res;
+
+ set_entity_visibility(rt_Div.ent, visibility_external_allocated);
+
+ map_Div->kind = INTRINSIC_INSTR;
+ map_Div->op = op_Div;
+ map_Div->i_mapper = (i_mapper_func)i_mapper_RuntimeCall;
+ map_Div->ctx = &rt_Div;
+ }
+ /* ... nor an unsigned div instruction ... */
+ {
+ runtime_rt rt_Div;
+ i_instr_record *map_Div = &records[n_records++].i_instr;
+
+ tp = new_type_method(ID("rt_uDiv"), 2, 1);
+ set_method_param_type(tp, 0, uint_tp);
+ set_method_param_type(tp, 1, uint_tp);
+ set_method_res_type(tp, 0, uint_tp);
+
+ rt_Div.ent = new_entity(get_glob_type(), ID("__udivsi3"), tp);
+ rt_Div.mode = mode_T;
+ rt_Div.res_mode = mode_Iu;
+ rt_Div.mem_proj_nr = pn_Div_M;
+ rt_Div.regular_proj_nr = pn_Div_X_regular;
+ rt_Div.exc_proj_nr = pn_Div_X_except;
+ rt_Div.exc_mem_proj_nr = pn_Div_M;
+ rt_Div.res_proj_nr = pn_Div_res;
+
+ set_entity_visibility(rt_Div.ent, visibility_external_allocated);
+
+ map_Div->kind = INTRINSIC_INSTR;
+ map_Div->op = op_Div;
+ map_Div->i_mapper = (i_mapper_func)i_mapper_RuntimeCall;
+ map_Div->ctx = &rt_Div;
+ }
/* ... nor a signed mod instruction ... */
- {
- runtime_rt rt_Mod;
- i_instr_record *map_Mod = &records[n_records++].i_instr;
-
- tp = new_type_method(ID("rt_iMod"), 2, 1);
- set_method_param_type(tp, 0, int_tp);
- set_method_param_type(tp, 1, int_tp);
- set_method_res_type(tp, 0, int_tp);
-
- rt_Mod.ent = new_entity(get_glob_type(), ID("__modsi3"), tp);
- rt_Mod.mode = mode_T;
- rt_Mod.mem_proj_nr = pn_Mod_M;
- rt_Mod.exc_proj_nr = pn_Mod_X_except;
- rt_Mod.exc_mem_proj_nr = pn_Mod_M;
- rt_Mod.res_proj_nr = pn_Mod_res;
-
- set_entity_visibility(rt_Mod.ent, visibility_external_allocated);
-
- map_Mod->kind = INTRINSIC_INSTR;
- map_Mod->op = op_Mod;
- map_Mod->i_mapper = (i_mapper_func)i_mapper_RuntimeCall;
- map_Mod->ctx = &rt_Mod;
- }
- /* ... nor a unsigned mod. */
- {
- runtime_rt rt_Mod;
- i_instr_record *map_Mod = &records[n_records++].i_instr;
-
- tp = new_type_method(ID("rt_uMod"), 2, 1);
- set_method_param_type(tp, 0, uint_tp);
- set_method_param_type(tp, 1, uint_tp);
- set_method_res_type(tp, 0, uint_tp);
-
- rt_Mod.ent = new_entity(get_glob_type(), ID("__umodsi3"), tp);
- rt_Mod.mode = mode_T;
- rt_Mod.mem_proj_nr = pn_Mod_M;
- rt_Mod.exc_proj_nr = pn_Mod_X_except;
- rt_Mod.exc_mem_proj_nr = pn_Mod_M;
- rt_Mod.res_proj_nr = pn_Mod_res;
-
- set_entity_visibility(rt_Mod.ent, visibility_external_allocated);
-
- map_Mod->kind = INTRINSIC_INSTR;
- map_Mod->op = op_Mod;
- map_Mod->i_mapper = (i_mapper_func)i_mapper_RuntimeCall;
- map_Mod->ctx = &rt_Mod;
- }
-
- if (n_records > 0)
- lower_intrinsics(records, n_records);
+ {
+ runtime_rt rt_Mod;
+ i_instr_record *map_Mod = &records[n_records++].i_instr;
+
+ tp = new_type_method(ID("rt_iMod"), 2, 1);
+ set_method_param_type(tp, 0, int_tp);
+ set_method_param_type(tp, 1, int_tp);
+ set_method_res_type(tp, 0, int_tp);
+
+ rt_Mod.ent = new_entity(get_glob_type(), ID("__modsi3"), tp);
+ rt_Mod.mode = mode_T;
+ rt_Mod.res_mode = mode_Is;
+ rt_Mod.mem_proj_nr = pn_Mod_M;
+ rt_Mod.regular_proj_nr = pn_Mod_X_regular;
+ rt_Mod.exc_proj_nr = pn_Mod_X_except;
+ rt_Mod.exc_mem_proj_nr = pn_Mod_M;
+ rt_Mod.res_proj_nr = pn_Mod_res;
+
+ set_entity_visibility(rt_Mod.ent, visibility_external_allocated);
+
+ map_Mod->kind = INTRINSIC_INSTR;
+ map_Mod->op = op_Mod;
+ map_Mod->i_mapper = (i_mapper_func)i_mapper_RuntimeCall;
+ map_Mod->ctx = &rt_Mod;
+ }
+ /* ... nor an unsigned mod. */
+ {
+ runtime_rt rt_Mod;
+ i_instr_record *map_Mod = &records[n_records++].i_instr;
+
+ tp = new_type_method(ID("rt_uMod"), 2, 1);
+ set_method_param_type(tp, 0, uint_tp);
+ set_method_param_type(tp, 1, uint_tp);
+ set_method_res_type(tp, 0, uint_tp);
+
+ rt_Mod.ent = new_entity(get_glob_type(), ID("__umodsi3"), tp);
+ rt_Mod.mode = mode_T;
+ rt_Mod.res_mode = mode_Iu;
+ rt_Mod.mem_proj_nr = pn_Mod_M;
+ rt_Mod.regular_proj_nr = pn_Mod_X_regular;
+ rt_Mod.exc_proj_nr = pn_Mod_X_except;
+ rt_Mod.exc_mem_proj_nr = pn_Mod_M;
+ rt_Mod.res_proj_nr = pn_Mod_res;
+
+ set_entity_visibility(rt_Mod.ent, visibility_external_allocated);
+
+ map_Mod->kind = INTRINSIC_INSTR;
+ map_Mod->op = op_Mod;
+ map_Mod->i_mapper = (i_mapper_func)i_mapper_RuntimeCall;
+ map_Mod->ctx = &rt_Mod;
+ }
+
+ if (n_records > 0)
+ lower_intrinsics(records, n_records);
}
/*****************************************************************
&arm_gp_regs[REG_R11], /* base pointer */
-1, /* stack direction */
NULL, /* main environment */
+ 7, /* spill costs */
+ 5, /* reload costs */
},
0, /* use generic register names instead of SP, LR, PC */
ARM_FPU_ARCH_FPE, /* FPU architecture */
static int arm_get_n_reg_class(const void *self) {
const arm_isa_t *isa = self;
+ /* ARGH! is called BEFORE transform */
+ return 2;
return isa->cg->have_fp ? 2 : 1;
}
curr_pc = be_new_Copy(&arm_reg_classes[CLASS_arm_gp], env->irg, bl, curr_lr );
arch_set_irn_register(env->arch_env, curr_pc, &arm_gp_regs[REG_PC]);
be_set_constr_single_reg(curr_pc, BE_OUT_POS(0), &arm_gp_regs[REG_PC] );
+ be_node_set_flags(curr_pc, BE_OUT_POS(0), arch_irn_flags_ignore);
} else {
ir_node *sub12_node;
ir_node *load_node;
* Returns the necessary byte alignment for storing a register of given class.
*/
static int arm_get_reg_class_alignment(const void *self, const arch_register_class_t *cls) {
- ir_mode *mode = arch_register_class_mode(cls);
- return get_mode_size_bytes(mode);
+ /* ARM is a 32 bit CPU, no need for other alignment */
+ return 4;
}
static const be_execution_unit_t ***arm_get_allowed_execution_units(const void *self, const ir_node *irn) {
static const backend_params *arm_get_libfirm_params(void) {
static arch_dep_params_t ad = {
1, /* allow subs */
- 0, /* Muls are fast enough on ARM */
- 31, /* shift would be ok */
+ 1, /* Muls are fast enough on ARM but ... */
+ 1, /* ... one shift would be possible better */
0, /* SMUL is needed, only in Arch M*/
0, /* UMUL is needed, only in Arch M */
32, /* SMUL & UMUL available for 32 bit */
};
static backend_params p = {
+ 1, /* need dword lowering */
+ 0, /* don't support inline assembler yet */
+ 0, /* no different calling conventions */
NULL, /* no additional opcodes */
NULL, /* will be set later */
- 1, /* need dword lowering */
NULL, /* but yet no creator function */
NULL, /* context for create_intrinsic_fkt */
+ NULL, /* no if conversion settings */
};
p.dep_param = &ad;
projects / libfirm / blobdiff