* @author Matthias Braun, Christian Wuerdig
* @version $Id$
*/
-#ifdef HAVE_CONFIG_H
#include "config.h"
-#endif
#include "irnode.h"
#include "irprog_t.h"
DEBUG_ONLY(static firm_dbg_module_t *dbg = NULL;)
-static const arch_env_t *arch_env;
-static ia32_code_gen_t *cg;
+static ia32_code_gen_t *cg;
static void copy_mark(const ir_node *old, ir_node *new)
{
res_proj = new_r_Proj(current_ir_graph, block, new_node, mode_Iu,
pn_ia32_res);
- reg = arch_get_irn_register(arch_env, node);
- arch_set_irn_register(arch_env, res_proj, reg);
+ reg = arch_get_irn_register(node);
+ arch_set_irn_register(res_proj, reg);
sched_add_before(node, new_node);
be_peephole_exchange(node, res_proj);
}
set_ia32_ls_mode(test, get_ia32_ls_mode(node));
- reg = arch_get_irn_register(arch_env, node);
- arch_set_irn_register(arch_env, test, reg);
+ reg = arch_get_irn_register(node);
+ arch_set_irn_register(test, reg);
foreach_out_edge_safe(node, edge, tmp) {
ir_node *const user = get_edge_src_irn(edge);
schedpoint = sched_prev(schedpoint);
if (schedpoint == left)
break;
- if (arch_irn_is(arch_env, schedpoint, modify_flags))
+ if (arch_irn_is(schedpoint, modify_flags))
return;
if (schedpoint == block)
panic("couldn't find left");
flags_mode = ia32_reg_classes[CLASS_ia32_flags].mode;
flags_proj = new_r_Proj(current_ir_graph, block, left, flags_mode,
pn_ia32_flags);
- arch_set_irn_register(arch_env, flags_proj, &ia32_flags_regs[REG_EFLAGS]);
+ arch_set_irn_register(flags_proj, &ia32_flags_regs[REG_EFLAGS]);
assert(get_irn_mode(node) != mode_T);
val = get_irn_n(store, n_ia32_unary_op);
mem = get_irn_n(store, n_ia32_mem);
- spreg = arch_get_irn_register(cg->arch_env, curr_sp);
+ spreg = arch_get_irn_register(curr_sp);
push = new_rd_ia32_Push(get_irn_dbg_info(store), irg, block, noreg, noreg, mem, val, curr_sp);
copy_mark(store, push);
/* create stackpointer Proj */
curr_sp = new_r_Proj(irg, block, push, spmode, pn_ia32_Push_stack);
- arch_set_irn_register(cg->arch_env, curr_sp, spreg);
+ arch_set_irn_register(curr_sp, spreg);
/* create memory Proj */
mem_proj = new_r_Proj(irg, block, push, mode_M, pn_ia32_Push_M);
/* not a GP copy, ignore */
continue;
}
- dreg = arch_get_irn_register(arch_env, node);
- sreg = arch_get_irn_register(arch_env, be_get_Copy_op(node));
+ dreg = arch_get_irn_register(node);
+ sreg = arch_get_irn_register(be_get_Copy_op(node));
if (regmask & copymask & (1 << sreg->index)) {
break;
}
if (loads[loadslot] != NULL)
break;
- dreg = arch_get_irn_register(arch_env, node);
+ dreg = arch_get_irn_register(node);
if (regmask & (1 << dreg->index)) {
/* this register is already used */
break;
const arch_register_t *reg;
mem = get_irn_n(load, n_ia32_mem);
- reg = arch_get_irn_register(arch_env, load);
+ reg = arch_get_irn_register(load);
pop = new_rd_ia32_Pop(get_irn_dbg_info(load), irg, block, mem, pred_sp);
- arch_set_irn_register(arch_env, pop, reg);
+ arch_set_irn_register(pop, reg);
copy_mark(load, pop);
/* create stackpointer Proj */
pred_sp = new_r_Proj(irg, block, pop, mode_Iu, pn_ia32_Pop_stack);
- arch_set_irn_register(arch_env, pred_sp, esp);
+ arch_set_irn_register(pred_sp, esp);
sched_add_before(irn, pop);
pop = new_rd_ia32_Pop(dbgi, irg, block, new_NoMem(), stack);
stack = new_r_Proj(irg, block, pop, mode_Iu, pn_ia32_Pop_stack);
- arch_set_irn_register(arch_env, stack, esp);
+ arch_set_irn_register(stack, esp);
val = new_r_Proj(irg, block, pop, mode_Iu, pn_ia32_Pop_res);
- arch_set_irn_register(arch_env, val, reg);
+ arch_set_irn_register(val, reg);
sched_add_before(schedpoint, pop);
sched_add_before(schedpoint, push);
stack = new_r_Proj(irg, block, push, mode_Iu, pn_ia32_Push_stack);
- arch_set_irn_register(arch_env, stack, esp);
+ arch_set_irn_register(stack, esp);
return stack;
}
/* transform Load->IncSP combinations to Pop where possible */
peephole_Load_IncSP_to_pop(node);
- if (arch_get_irn_register(arch_env, node) != esp)
+ if (arch_get_irn_register(node) != esp)
return;
/* replace IncSP -4 by Pop freereg when possible */
if (be_peephole_get_value(CLASS_ia32_flags, REG_EFLAGS) != NULL)
return;
- reg = arch_get_irn_register(arch_env, node);
+ reg = arch_get_irn_register(node);
assert(be_peephole_get_reg_value(reg) == NULL);
/* create xor(produceval, produceval) */
block = get_nodes_block(node);
dbgi = get_irn_dbg_info(node);
produceval = new_rd_ia32_ProduceVal(dbgi, irg, block);
- arch_set_irn_register(arch_env, produceval, reg);
+ arch_set_irn_register(produceval, reg);
noreg = ia32_new_NoReg_gp(cg);
xor = new_rd_ia32_Xor(dbgi, irg, block, noreg, noreg, new_NoMem(),
produceval, produceval);
- arch_set_irn_register(arch_env, xor, reg);
+ arch_set_irn_register(xor, reg);
sched_add_before(node, produceval);
sched_add_before(node, xor);
return node == cg->noreg_gp;
}
-static ir_node *create_immediate_from_int(ia32_code_gen_t *cg, int val)
+static ir_node *create_immediate_from_int(int val)
{
ir_graph *irg = current_ir_graph;
ir_node *start_block = get_irg_start_block(irg);
ir_node *immediate = new_rd_ia32_Immediate(NULL, irg, start_block, NULL,
0, val);
- arch_set_irn_register(cg->arch_env, immediate, &ia32_gp_regs[REG_GP_NOREG]);
+ arch_set_irn_register(immediate, &ia32_gp_regs[REG_GP_NOREG]);
return immediate;
}
-static ir_node *create_immediate_from_am(ia32_code_gen_t *cg,
- const ir_node *node)
+static ir_node *create_immediate_from_am(const ir_node *node)
{
ir_graph *irg = get_irn_irg(node);
ir_node *block = get_nodes_block(node);
ir_node *res;
res = new_rd_ia32_Immediate(NULL, irg, block, entity, sc_sign, offset);
- arch_set_irn_register(cg->arch_env, res, &ia32_gp_regs[REG_GP_NOREG]);
+ arch_set_irn_register(res, &ia32_gp_regs[REG_GP_NOREG]);
return res;
}
*/
static void peephole_ia32_Lea(ir_node *node)
{
- const arch_env_t *arch_env = cg->arch_env;
- ir_graph *irg = current_ir_graph;
+ ir_graph *irg = current_ir_graph;
ir_node *base;
ir_node *index;
const arch_register_t *base_reg;
base = NULL;
base_reg = NULL;
} else {
- base_reg = arch_get_irn_register(arch_env, base);
+ base_reg = arch_get_irn_register(base);
}
if(is_noreg(cg, index)) {
index = NULL;
index_reg = NULL;
} else {
- index_reg = arch_get_irn_register(arch_env, index);
+ index_reg = arch_get_irn_register(index);
}
if(base == NULL && index == NULL) {
return;
}
- out_reg = arch_get_irn_register(arch_env, node);
+ out_reg = arch_get_irn_register(node);
scale = get_ia32_am_scale(node);
assert(!is_ia32_need_stackent(node) || get_ia32_frame_ent(node) != NULL);
/* check if we have immediates values (frame entities should already be
goto make_add_immediate;
} else if(!has_immediates && scale > 0) {
op1 = index;
- op2 = create_immediate_from_int(cg, scale);
+ op2 = create_immediate_from_int(scale);
goto make_shl;
} else if(!has_immediates) {
#ifdef DEBUG_libfirm
dbgi = get_irn_dbg_info(node);
block = get_nodes_block(node);
res = new_rd_ia32_Inc(dbgi, irg, block, op1);
- arch_set_irn_register(arch_env, res, out_reg);
+ arch_set_irn_register(res, out_reg);
goto exchange;
}
if(is_am_minus_one(node)) {
dbgi = get_irn_dbg_info(node);
block = get_nodes_block(node);
res = new_rd_ia32_Dec(dbgi, irg, block, op1);
- arch_set_irn_register(arch_env, res, out_reg);
+ arch_set_irn_register(res, out_reg);
goto exchange;
}
}
- op2 = create_immediate_from_am(cg, node);
+ op2 = create_immediate_from_am(node);
make_add:
dbgi = get_irn_dbg_info(node);
noreg = ia32_new_NoReg_gp(cg);
nomem = new_NoMem();
res = new_rd_ia32_Add(dbgi, irg, block, noreg, noreg, nomem, op1, op2);
- arch_set_irn_register(arch_env, res, out_reg);
+ arch_set_irn_register(res, out_reg);
set_ia32_commutative(res);
goto exchange;
noreg = ia32_new_NoReg_gp(cg);
nomem = new_NoMem();
res = new_rd_ia32_Shl(dbgi, irg, block, op1, op2);
- arch_set_irn_register(arch_env, res, out_reg);
+ arch_set_irn_register(res, out_reg);
goto exchange;
exchange:
/* fine, we can rebuild it */
res = turn_back_am(imul);
- arch_set_irn_register(arch_env, res, reg);
+ arch_set_irn_register(res, reg);
}
/**
/* Perform peephole-optimizations. */
void ia32_peephole_optimization(ia32_code_gen_t *new_cg)
{
- cg = new_cg;
- arch_env = cg->arch_env;
+ cg = new_cg;
/* register peephole optimisations */
clear_irp_opcodes_generic_func();
projects / libfirm / blobdiff