* @file
* @brief The main sparc backend driver file.
* @author Hannes Rapp, Matthias Braun
- * @version $Id$
*/
#include "config.h"
#include "iroptimize.h"
#include "irtools.h"
#include "irdump.h"
+#include "iropt_t.h"
#include "lowering.h"
#include "lower_dw.h"
+#include "lower_alloc.h"
+#include "lower_builtins.h"
#include "lower_calls.h"
+#include "lower_mode_b.h"
#include "lower_softfloat.h"
#include "bitset.h"
#include "error.h"
#include "util.h"
-#include "../bearch.h"
-#include "../benode.h"
-#include "../belower.h"
-#include "../besched.h"
+#include "bearch.h"
+#include "benode.h"
+#include "belower.h"
+#include "besched.h"
#include "be.h"
-#include "../bemachine.h"
-#include "../bemodule.h"
-#include "../beirg.h"
-#include "../begnuas.h"
-#include "../belistsched.h"
-#include "../beflags.h"
+#include "bemodule.h"
+#include "beirg.h"
+#include "begnuas.h"
+#include "belistsched.h"
+#include "beflags.h"
+#include "beutil.h"
#include "bearch_sparc_t.h"
/**
* Initializes the backend ISA
*/
-static arch_env_t *sparc_init(FILE *outfile)
+static arch_env_t *sparc_init(const be_main_env_t *env)
{
sparc_isa_t *isa = XMALLOC(sparc_isa_t);
*isa = sparc_isa_template;
isa->constants = pmap_create();
- be_emit_init(outfile);
+ be_gas_elf_type_char = '#';
+ be_gas_object_file_format = OBJECT_FILE_FORMAT_ELF;
+ be_gas_elf_variant = ELF_VARIANT_SPARC;
sparc_register_init();
sparc_create_opcodes(&sparc_irn_ops);
sparc_handle_intrinsics();
sparc_cconv_init();
+ be_emit_init(env->file_handle);
+ be_gas_begin_compilation_unit(env);
+
return &isa->base;
}
sparc_isa_t *isa = (sparc_isa_t*)self;
/* emit now all global declarations */
- be_gas_emit_decls(isa->base.main_env);
+ be_gas_end_compilation_unit(isa->base.main_env);
pmap_destroy(isa->constants);
be_emit_exit();
free(isa);
}
-
-/**
- * Get the register class which shall be used to store a value of a given mode.
- * @param self The this pointer.
- * @param mode The mode in question.
- * @return A register class which can hold values of the given mode.
- */
-static const arch_register_class_t *sparc_get_reg_class_for_mode(const ir_mode *mode)
-{
- if (mode_is_float(mode))
- return &sparc_reg_classes[CLASS_sparc_fp];
- else
- return &sparc_reg_classes[CLASS_sparc_gp];
-}
-
-/**
- * Returns the necessary byte alignment for storing a register of given class.
- */
-static int sparc_get_reg_class_alignment(const arch_register_class_t *cls)
-{
- ir_mode *mode = arch_register_class_mode(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)
{
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_calls_with_compounds(LF_RETURN_HIDDEN);
+ for (i = 0; i < n_irgs; ++i) {
+ ir_graph *irg = get_irp_irg(i);
+ /* Turn all small CopyBs into loads/stores and all bigger CopyBs into
+ * memcpy calls. */
+ lower_CopyB(irg, 31, 32, false);
+ }
+
if (sparc_isa_template.fpu_arch == SPARC_FPU_ARCH_SOFTFLOAT)
lower_floating_point();
+ lower_builtins(0, NULL);
+
sparc_lower_64bit();
for (i = 0; i < n_irgs; ++i) {
ir_graph *irg = get_irp_irg(i);
- ir_lower_mode_b(irg, &lower_mode_b_config);
+ ir_lower_mode_b(irg, mode_Iu);
lower_switch(irg, 4, 256, false);
+ lower_alloc(irg, SPARC_STACK_ALIGNMENT, false, SPARC_MIN_STACKSIZE);
}
}
static int sparc_is_mux_allowed(ir_node *sel, ir_node *mux_false,
ir_node *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;
+ return ir_is_optimizable_mux(sel, mux_false, mux_true);
}
/**
};
ir_mode *mode_long_long
- = new_ir_mode("long long", irms_int_number, 64, 1, irma_twos_complement,
- 64);
+ = new_int_mode("long long", irma_twos_complement, 64, 1, 64);
ir_type *type_long_long = new_type_primitive(mode_long_long);
ir_mode *mode_unsigned_long_long
- = new_ir_mode("unsigned long long", irms_int_number, 64, 0,
- irma_twos_complement, 64);
+ = new_int_mode("unsigned long long", irma_twos_complement, 64, 0, 64);
ir_type *type_unsigned_long_long
= new_type_primitive(mode_unsigned_long_long);
- ir_mode *mode_long_double
- = new_ir_mode("long double", irms_float_number, 128, 1,
- irma_ieee754, 0);
- ir_type *type_long_double = new_type_primitive(mode_long_double);
- set_type_alignment_bytes(type_long_double, 8);
- p.type_long_double = type_long_double;
p.type_long_long = type_long_long;
p.type_unsigned_long_long = type_unsigned_long_long;
- return &p;
-}
-static ir_graph **sparc_get_backend_irg_list(const void *self,
- ir_graph ***irgs)
-{
- (void) self;
- (void) irgs;
- return NULL;
+ if (sparc_isa_template.fpu_arch == SPARC_FPU_ARCH_SOFTFLOAT) {
+ p.mode_float_arithmetic = NULL;
+ p.type_long_double = NULL;
+ } else {
+ ir_type *type_long_double = new_type_primitive(mode_Q);
+
+ set_type_alignment_bytes(type_long_double, 8);
+ set_type_size_bytes(type_long_double, 16);
+ p.type_long_double = type_long_double;
+ }
+ return &p;
}
static asm_constraint_flags_t sparc_parse_asm_constraint(const char **c)
LC_OPT_LAST
};
+static ir_node *sparc_new_spill(ir_node *value, ir_node *after)
+{
+ ir_node *block = get_block(after);
+ ir_graph *irg = get_irn_irg(value);
+ ir_node *frame = get_irg_frame(irg);
+ ir_node *mem = get_irg_no_mem(irg);
+ ir_mode *mode = get_irn_mode(value);
+ ir_node *store;
+
+ if (mode_is_float(mode)) {
+ store = create_stf(NULL, block, value, frame, mem, mode, NULL, 0, true);
+ } else {
+ store = new_bd_sparc_St_imm(NULL, block, value, frame, mem, mode, NULL,
+ 0, true);
+ }
+ sched_add_after(after, store);
+ return store;
+}
+
+static ir_node *sparc_new_reload(ir_node *value, ir_node *spill,
+ ir_node *before)
+{
+ ir_node *block = get_block(before);
+ ir_graph *irg = get_irn_irg(value);
+ ir_node *frame = get_irg_frame(irg);
+ ir_mode *mode = get_irn_mode(value);
+ ir_node *load;
+ ir_node *res;
+
+ if (mode_is_float(mode)) {
+ load = create_ldf(NULL, block, frame, spill, mode, NULL, 0, true);
+ } else {
+ load = new_bd_sparc_Ld_imm(NULL, block, frame, spill, mode, NULL, 0,
+ true);
+ }
+ sched_add_before(before, load);
+ assert((long)pn_sparc_Ld_res == (long)pn_sparc_Ldf_res);
+ res = new_r_Proj(load, mode, pn_sparc_Ld_res);
+
+ return res;
+}
+
const arch_isa_if_t sparc_isa_if = {
sparc_init,
sparc_lower_for_target,
sparc_done,
NULL, /* handle intrinsics */
- sparc_get_reg_class_for_mode,
NULL,
- sparc_get_reg_class_alignment,
sparc_get_backend_params,
- sparc_get_backend_irg_list,
NULL, /* mark remat */
sparc_parse_asm_constraint,
sparc_is_valid_clobber,
sparc_finish,
sparc_emit_routine,
NULL, /* register_saved_by */
+ sparc_new_spill,
+ sparc_new_reload
};
BE_REGISTER_MODULE_CONSTRUCTOR(be_init_arch_sparc)
projects / libfirm / blobdiff