#include "ia32_common_transform.h"
#include "ia32_transform.h"
#include "ia32_dbg_stat.h"
-#include "ia32_util.h"
#include "ia32_architecture.h"
DEBUG_ONLY(static firm_dbg_module_t *dbg = NULL;)
ir_node *op;
ia32_attr_t const *attr;
int ins_permuted;
- int cmp_unsigned;
ir_node *test;
arch_register_t const *reg;
ir_edge_t const *edge;
op = get_irn_n(node, n_ia32_Cmp_left);
attr = get_ia32_attr(node);
ins_permuted = attr->data.ins_permuted;
- cmp_unsigned = attr->data.cmp_unsigned;
if (is_ia32_Cmp(node)) {
test = new_bd_ia32_Test(dbgi, block, noreg, noreg, nomem,
- op, op, ins_permuted, cmp_unsigned);
+ op, op, ins_permuted);
} else {
test = new_bd_ia32_Test8Bit(dbgi, block, noreg, noreg, nomem,
- op, op, ins_permuted, cmp_unsigned);
+ op, op, ins_permuted);
}
set_ia32_ls_mode(test, get_ia32_ls_mode(node));
ir_node *flags_proj;
ir_mode *flags_mode;
ir_node *schedpoint;
+ ir_node *op = left;
const ir_edge_t *edge;
if (get_nodes_block(left) != block)
return;
- if (is_Proj(left)) {
- pn = get_Proj_proj(left);
- left = get_Proj_pred(left);
+ if (is_Proj(op)) {
+ pn = get_Proj_proj(op);
+ op = get_Proj_pred(op);
}
/* walk schedule up and abort when we find left or some other node
schedpoint = node;
for (;;) {
schedpoint = sched_prev(schedpoint);
- if (schedpoint == left)
+ if (schedpoint == op)
break;
if (arch_irn_is(schedpoint, modify_flags))
return;
/* make sure only Lg/Eq tests are used */
foreach_out_edge(node, edge) {
- ir_node *user = get_edge_src_irn(edge);
- int pnc = get_ia32_condcode(user);
+ ir_node *user = get_edge_src_irn(edge);
+ ia32_condition_code_t cc = get_ia32_condcode(user);
- if (pnc != pn_Cmp_Eq && pnc != pn_Cmp_Lg) {
+ if (cc != ia32_cc_equal && cc != ia32_cc_not_equal) {
return;
}
}
- switch (produces_test_flag(left, pn)) {
+ switch (produces_test_flag(op, pn)) {
case produces_flag_zero:
break;
case produces_flag_carry:
foreach_out_edge(node, edge) {
- ir_node *user = get_edge_src_irn(edge);
- int pnc = get_ia32_condcode(user);
+ ir_node *user = get_edge_src_irn(edge);
+ ia32_condition_code_t cc = get_ia32_condcode(user);
- switch (pnc) {
- case pn_Cmp_Eq: pnc = ia32_pn_Cmp_not_carry; break;
- case pn_Cmp_Lg: pnc = ia32_pn_Cmp_carry; break;
- default: panic("unexpected pn");
+ switch (cc) {
+ case ia32_cc_equal: cc = ia32_cc_above_equal; break; /* CF = 0 */
+ case ia32_cc_not_equal: cc = ia32_cc_below; break; /* CF = 1 */
+ default: panic("unexpected pn");
}
- set_ia32_condcode(user, pnc);
+ set_ia32_condcode(user, cc);
}
break;
return;
}
- if (get_irn_mode(left) != mode_T) {
- set_irn_mode(left, mode_T);
+ if (get_irn_mode(op) != mode_T) {
+ set_irn_mode(op, mode_T);
/* If there are other users, reroute them to result proj */
- if (get_irn_n_edges(left) != 2) {
- ir_node *res = new_r_Proj(left, mode_Iu, pn_ia32_res);
+ if (get_irn_n_edges(op) != 2) {
+ ir_node *res = new_r_Proj(op, mode_Iu, pn_ia32_res);
- edges_reroute(left, res, current_ir_graph);
+ edges_reroute(op, res);
/* Reattach the result proj to left */
- set_Proj_pred(res, left);
+ set_Proj_pred(res, op);
}
+ } else {
+ if (get_irn_n_edges(left) == 2)
+ kill_node(left);
}
flags_mode = ia32_reg_classes[CLASS_ia32_flags].mode;
- flags_proj = new_r_Proj(left, flags_mode, pn_ia32_flags);
+ flags_proj = new_r_Proj(op, flags_mode, pn_ia32_flags);
arch_set_irn_register(flags_proj, &ia32_registers[REG_EFLAGS]);
assert(get_irn_mode(node) != mode_T);
continue;
case iro_Start:
case beo_Start:
- case beo_Barrier:
/* ignore no code generated */
continue;
case beo_IncSP:
ir_node *val = ia32_new_NoReg_gp(cg);
ir_node *noreg = ia32_new_NoReg_gp(cg);
ir_graph *irg = get_irn_irg(block);
- ir_node *nomem = new_r_NoMem(irg);
+ ir_node *nomem = get_irg_no_mem(irg);
ir_node *push = new_bd_ia32_Push(dbgi, block, noreg, noreg, nomem, val, stack);
sched_add_before(schedpoint, push);
/* we have to be at offset 0 */
int my_offset = get_ia32_am_offs_int(store);
if (my_offset != 0) {
- /* TODO here: find out wether there is a store with offset 0 before
- * us and wether we can move it down to our place */
+ /* TODO here: find out whether there is a store with offset 0 before
+ * us and whether we can move it down to our place */
return;
}
ir_mode *ls_mode = get_ia32_ls_mode(store);
ir_node *val;
ir_node *in[1];
- pop = new_bd_ia32_Pop(dbgi, block, new_r_NoMem(irg), stack);
+ pop = new_bd_ia32_Pop(dbgi, block, get_irg_no_mem(irg), stack);
stack = new_r_Proj(pop, mode_Iu, pn_ia32_Pop_stack);
arch_set_irn_register(stack, esp);
block = get_nodes_block(node);
irg = get_irn_irg(node);
noreg = ia32_new_NoReg_gp(irg);
- nomem = new_r_NoMem(irg);
+ nomem = get_irg_no_mem(irg);
res = new_bd_ia32_Add(dbgi, block, noreg, noreg, nomem, op1, op2);
arch_set_irn_register(res, out_reg);
set_ia32_commutative(res);
block = get_nodes_block(node);
irg = get_irn_irg(node);
noreg = ia32_new_NoReg_gp(irg);
- nomem = new_r_NoMem(irg);
+ nomem = get_irg_no_mem(irg);
res = new_bd_ia32_Shl(dbgi, block, op1, op2);
arch_set_irn_register(res, out_reg);
goto exchange;
/**
* Removes node from schedule if it is not used anymore. If irn is a mode_T node
- * all it's Projs are removed as well.
+ * all its Projs are removed as well.
* @param irn The irn to be removed from schedule
*/
static inline void try_kill(ir_node *node)
projects / libfirm / blobdiff