/*
- * Copyright (C) 1995-2008 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.
*/
/**
ir_node *proj;
ir_node *load;
- ir_node *sched_point = sched_prev(node);
-
load = new_bd_amd64_Load(dbgi, block, ptr, mem, entity);
- sched_add_after(sched_point, load);
- sched_remove(node);
+ sched_replace(node, load);
proj = new_rd_Proj(dbgi, load, mode, pn_amd64_Load_res);
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;
ir_node *store;
- sched_point = sched_prev(node);
store = new_bd_amd64_Store(dbgi, block, ptr, val, mem, entity);
-
- sched_remove(node);
- sched_add_after(sched_point, store);
+ sched_replace(node, store);
exchange(node, store);
}
static void amd64_after_ra_walker(ir_node *block, void *data)
{
- ir_node *node, *prev;
(void) data;
- for (node = sched_last(block); !sched_is_begin(node); node = prev) {
- prev = sched_prev(node);
-
+ sched_foreach_reverse_safe(block, node) {
if (be_is_Reload(node)) {
transform_Reload(node);
} else if (be_is_Spill(node)) {
&amd64_registers[REG_RSP], /* stack pointer register */
&amd64_registers[REG_RBP], /* base pointer register */
3, /* power of two stack alignment for calls, 2^2 == 4 */
- NULL, /* main environment */
7, /* costs for a spill instruction */
5, /* costs for a reload instruction */
false, /* no custom abi handling */
amd64_free_opcodes();
}
-static arch_env_t *amd64_begin_codegeneration(const be_main_env_t *env)
+static arch_env_t *amd64_begin_codegeneration(void)
{
amd64_isa_t *isa = XMALLOC(amd64_isa_t);
*isa = amd64_isa_template;
- be_emit_init(env->file_handle);
- be_gas_begin_compilation_unit(env);
-
return &isa->base;
}
*/
static void amd64_end_codegeneration(void *self)
{
- amd64_isa_t *isa = (amd64_isa_t*)self;
-
- /* emit now all global declarations */
- be_gas_end_compilation_unit(isa->base.main_env);
-
- be_emit_exit();
free(self);
}
static int amd64_register_saved_by(const arch_register_t *reg, int callee)
{
- if (callee) {
- /* check for callee saved */
- if (reg->reg_class == &amd64_reg_classes[CLASS_amd64_gp]) {
- switch (reg->index) {
- case REG_GP_RBX:
- case REG_GP_RBP:
- case REG_GP_R12:
- case REG_GP_R13:
- case REG_GP_R14:
- case REG_GP_R15:
- return 1;
- default:
- return 0;
- }
- }
- } else {
- /* check for caller saved */
- if (reg->reg_class == &amd64_reg_classes[CLASS_amd64_gp]) {
- switch (reg->index) {
- case REG_GP_RAX:
- case REG_GP_RCX:
- case REG_GP_RDX:
- case REG_GP_RSI:
- case REG_GP_RDI:
- case REG_GP_R8:
- case REG_GP_R9:
- case REG_GP_R10:
- case REG_GP_R11:
- return 1;
- default:
- return 0;
- }
- }
+ switch (reg->global_index) {
+ case REG_RBX:
+ case REG_RBP:
+ case REG_R12:
+ case REG_R13:
+ case REG_R14:
+ case REG_R15:
+ return callee;
+
+ case REG_RAX:
+ case REG_RCX:
+ case REG_RDX:
+ case REG_RSI:
+ case REG_RDI:
+ case REG_R8:
+ case REG_R9:
+ case REG_R10:
+ case REG_R11:
+ return !callee;
+
+ default:
+ return 0;
}
- return 0;
}
const arch_isa_if_t amd64_isa_if = {