/*
- * Copyright (C) 1995-2010 University of Karlsruhe. All right reserved.
- *
* This file is part of libFirm.
- *
- * This file may be distributed and/or modified under the terms of the
- * GNU General Public License version 2 as published by the Free Software
- * Foundation and appearing in the file LICENSE.GPL included in the
- * packaging of this file.
- *
- * Licensees holding valid libFirm Professional Edition licenses may use
- * this file in accordance with the libFirm Commercial License.
- * Agreement provided with the Software.
- *
- * This file is provided AS IS with NO WARRANTY OF ANY KIND, INCLUDING THE
- * WARRANTY OF DESIGN, MERCHANTABILITY AND FITNESS FOR A PARTICULAR
- * PURPOSE.
+ * Copyright (C) 2012 University of Karlsruhe.
*/
/**
*/
#include "config.h"
+#include "be_t.h"
+#include "beirg.h"
#include "sparc_cconv.h"
#include "irmode.h"
#include "irgwalk.h"
REG_FPFLAGS,
REG_FLAGS,
REG_Y,
+
+ REG_F31,
};
static const arch_register_t* const param_regs[] = {
REG_F28,
REG_F29,
REG_F30,
- REG_F31,
REG_FLAGS,
REG_FPFLAGS,
REG_Y,
static void check_omit_fp(ir_node *node, void *env)
{
- bool *can_omit_fp = (bool*) env;
-
/* omit-fp is not possible if:
* - we have allocations on the stack
* - we have calls (with the exception of tail-calls once we support them)
if ((is_Alloc(node) && get_Alloc_where(node) == stack_alloc)
|| (is_Free(node) && get_Free_where(node) == stack_alloc)
|| is_Call(node)) {
+ bool *can_omit_fp = (bool*) env;
*can_omit_fp = false;
}
}
calling_convention_t *sparc_decide_calling_convention(ir_type *function_type,
ir_graph *irg)
{
- unsigned stack_offset = 0;
- unsigned n_param_regs_used = 0;
- int n_param_regs = ARRAY_SIZE(param_regs);
- unsigned n_float_result_regs = ARRAY_SIZE(float_result_regs);
- bool omit_fp = false;
- mtp_additional_properties mtp
- = get_method_additional_properties(function_type);
- reg_or_stackslot_t *params;
- reg_or_stackslot_t *results;
- int n_params;
- int n_results;
- int i;
- int regnum;
- unsigned float_regnum;
- unsigned n_reg_results = 0;
- calling_convention_t *cconv;
- unsigned *caller_saves;
-
+ bool omit_fp = false;
if (irg != NULL) {
omit_fp = be_options.omit_fp;
/* our current vaarg handling needs the standard space to store the
}
}
- caller_saves = rbitset_malloc(N_SPARC_REGISTERS);
+ mtp_additional_properties mtp
+ = get_method_additional_properties(function_type);
+ unsigned *caller_saves = rbitset_malloc(N_SPARC_REGISTERS);
if (mtp & mtp_property_returns_twice) {
rbitset_copy(caller_saves, default_returns_twice_saves,
N_SPARC_REGISTERS);
}
/* determine how parameters are passed */
- n_params = get_method_n_params(function_type);
- regnum = 0;
- params = XMALLOCNZ(reg_or_stackslot_t, n_params);
+ int n_params = get_method_n_params(function_type);
+ int regnum = 0;
+ reg_or_stackslot_t *params = XMALLOCNZ(reg_or_stackslot_t, n_params);
- for (i = 0; i < n_params; ++i) {
+ int n_param_regs = ARRAY_SIZE(param_regs);
+ unsigned stack_offset = 0;
+ for (int i = 0; i < n_params; ++i) {
ir_type *param_type = get_method_param_type(function_type,i);
ir_mode *mode;
int bits;
}
}
}
- n_param_regs_used = regnum;
+ unsigned n_param_regs_used = regnum;
/* determine how results are passed */
- n_results = get_method_n_ress(function_type);
- regnum = 0;
- float_regnum = 0;
- results = XMALLOCNZ(reg_or_stackslot_t, n_results);
- for (i = 0; i < n_results; ++i) {
+ int n_results = get_method_n_ress(function_type);
+ unsigned float_regnum = 0;
+ unsigned n_reg_results = 0;
+ unsigned n_float_result_regs = ARRAY_SIZE(float_result_regs);
+ reg_or_stackslot_t *results = XMALLOCNZ(reg_or_stackslot_t, n_results);
+ regnum = 0;
+ for (int i = 0; i < n_results; ++i) {
ir_type *result_type = get_method_res_type(function_type, i);
ir_mode *result_mode = get_type_mode(result_type);
reg_or_stackslot_t *result = &results[i];
}
}
- cconv = XMALLOCZ(calling_convention_t);
+ calling_convention_t *cconv = XMALLOCZ(calling_convention_t);
cconv->parameters = params;
cconv->param_stack_size = stack_offset;
cconv->n_param_regs = n_param_regs_used;
void sparc_cconv_init(void)
{
- size_t i;
- for (i = 0; i < ARRAY_SIZE(caller_saves); ++i) {
+ for (size_t i = 0; i < ARRAY_SIZE(caller_saves); ++i) {
rbitset_set(default_caller_saves, caller_saves[i]);
}
rbitset_set_all(default_returns_twice_saves, N_SPARC_REGISTERS);
- for (i = 0; i < ARRAY_SIZE(returns_twice_saved); ++i) {
+ for (size_t i = 0; i < ARRAY_SIZE(returns_twice_saved); ++i) {
rbitset_clear(default_returns_twice_saves, returns_twice_saved[i]);
}
- for (i = 0; i < ARRAY_SIZE(ignore_regs); ++i) {
+ for (size_t i = 0; i < ARRAY_SIZE(ignore_regs); ++i) {
rbitset_clear(default_returns_twice_saves, ignore_regs[i]);
}
- for (i = 0; i < ARRAY_SIZE(float_result_reqs_double); i += 2) {
+ for (size_t i = 0; i < ARRAY_SIZE(float_result_reqs_double); i += 2) {
arch_register_req_t *req = &float_result_reqs_double[i];
*req = *float_result_regs[i]->single_req;
req->type |= arch_register_req_type_aligned;
req->width = 2;
}
- for (i = 0; i < ARRAY_SIZE(float_result_reqs_quad); i += 4) {
+ for (size_t i = 0; i < ARRAY_SIZE(float_result_reqs_quad); i += 4) {
arch_register_req_t *req = &float_result_reqs_quad[i];
*req = *float_result_regs[i]->single_req;
req->type |= arch_register_req_type_aligned;