remove old unused function

[libfirm] / ir / be / bespillremat.c

diff --git a/ir/be/bespillremat.c b/ir/be/bespillremat.c
index f215f20..99caaf4 100644 (file)
--- a/ir/be/bespillremat.c
+++ b/ir/be/bespillremat.c
@@ -24,9 +24,7 @@
  * @date        06.04.2006
  * @version     $Id$
  */
-#ifdef HAVE_CONFIG_H
 #include "config.h"
-#endif
 
 #ifdef WITH_ILP
 
@@ -403,7 +401,7 @@ set_find_spill(set * set, const ir_node * value)
 #define pset_foreach(s,i) for((i)=pset_first((s)); (i); (i)=pset_next((s)))
 #define set_foreach(s,i) for((i)=set_first((s)); (i); (i)=set_next((s)))
 #define foreach_post_remat(s,i) for((i)=next_post_remat((s)); (i); (i)=next_post_remat((i)))
-#define foreach_pre_remat(si,s,i) for((i)=next_pre_remat((si),(s)); (i); (i)=next_pre_remat((si),(i)))
+#define foreach_pre_remat(s,i) for((i)=next_pre_remat((s)); (i); (i)=next_pre_remat((i)))
 #define        sched_foreach_op(s,i) for((i)=sched_next_op((s));!sched_is_end((i));(i)=sched_next_op((i)))
 
 static int
@@ -707,10 +705,9 @@ value_is_defined_before(const spill_ilp_t * si, const ir_node * pos, const ir_no
        return ret;
 }
 
-static INLINE ir_node *
-sched_block_last_noncf(const spill_ilp_t * si, const ir_node * bb)
+static INLINE ir_node *sched_block_last_noncf(const ir_node * bb)
 {
-    return sched_skip((ir_node*)bb, 0, sched_skip_cf_predicator, (void *) si->birg->main_env->arch_env);
+       return sched_skip((ir_node*)bb, 0, sched_skip_cf_predicator, NULL);
 }
 
 /**
@@ -777,11 +774,10 @@ sched_put_after(ir_node * insert, ir_node * irn)
        sched_add_before(insert, irn);
 }
 
-static void
-sched_put_before(const spill_ilp_t * si, ir_node * insert, ir_node * irn)
+static void sched_put_before(ir_node * insert, ir_node * irn)
 {
   if(is_Block(insert)) {
-         insert = sched_block_last_noncf(si, insert);
+         insert = sched_block_last_noncf(insert);
   } else {
          insert = sched_next_nonproj(insert, 0);
          insert = sched_prev(insert);
@@ -814,14 +810,13 @@ next_post_remat(const ir_node * irn)
 }
 
 
-static ir_node *
-next_pre_remat(const spill_ilp_t * si, const ir_node * irn)
+static ir_node *next_pre_remat(const ir_node * irn)
 {
        op_t      *op;
        ir_node   *ret;
 
        if(is_Block(irn)) {
-               ret = sched_block_last_noncf(si, irn);
+               ret = sched_block_last_noncf(irn);
                ret = sched_next(ret);
                ret = sched_prev_op(ret);
        } else {
@@ -851,7 +846,7 @@ can_remat_before(const spill_ilp_t * si, const remat_t * remat, const ir_node *
                           res = 1;
 
        if(is_Block(pos)) {
-               prev = sched_block_last_noncf(si, pos);
+               prev = sched_block_last_noncf(pos);
                prev = sched_next_nonproj(prev, 0);
        } else {
                prev = sched_prev_op(pos);
@@ -936,7 +931,7 @@ insert_copy_before(const spill_ilp_t * si, const ir_node * irn, ir_node * pos)
 
        set_phi_class(si->pc, copy, NULL);
        set_nodes_block(copy, bb);
-       sched_put_before(si, pos, copy);
+       sched_put_before(pos, copy);
 
        return copy;
 }
@@ -1100,7 +1095,7 @@ get_live_end(spill_ilp_t * si, ir_node * bb, pset * live)
        sched_foreach_reverse(bb, irn) {
                int  i;
 
-               if(!sched_skip_cf_predicator(irn, si->birg->main_env->arch_env)) break;
+               if (!sched_skip_cf_predicator(irn, NULL)) break;
 
                for(i=get_irn_arity(irn)-1; i>=0; --i) {
                        ir_node *arg = get_irn_n(irn,i);
@@ -1114,7 +1109,7 @@ get_live_end(spill_ilp_t * si, ir_node * bb, pset * live)
         * find values that are used by remats at end of block
         * and insert them into live set
         */
-       foreach_pre_remat(si, bb, irn) {
+       foreach_pre_remat(bb, irn) {
                int       n;
 
                for (n=get_irn_arity(irn)-1; n>=0; --n) {
@@ -1146,7 +1141,7 @@ walker_regclass_copy_insertor(ir_node * irn, void * data)
 
                        if(!has_reg_class(si, phi_arg)) {
                                ir_node   *copy = be_new_Copy(si->cls, si->birg->irg, bb, phi_arg);
-                               ir_node   *pos = sched_block_last_noncf(si, bb);
+                               ir_node   *pos = sched_block_last_noncf(bb);
                                op_t      *op = obstack_alloc(si->obst, sizeof(*op));
 
                                DBG((si->dbg, LEVEL_2, "\t copy to my regclass for arg %+F of %+F\n", phi_arg, irn));
@@ -1264,7 +1259,7 @@ walker_remat_insertor(ir_node * bb, void * data)
                }
 
                /* do not place post remats after jumps */
-               if(sched_skip_cf_predicator(irn, si->birg->main_env->arch_env)) {
+               if (sched_skip_cf_predicator(irn, si->birg->main_env->arch_env)) {
                        del_pset(used);
                        del_pset(args);
                        break;
@@ -1478,7 +1473,7 @@ luke_endwalker(ir_node * bb, void * data)
         * find values that are used by remats at end of block
         * and insert them into live set
         */
-       foreach_pre_remat(si, bb, irn) {
+       foreach_pre_remat(bb, irn) {
                int       n;
 
                for (n=get_irn_arity(irn)-1; n>=0; --n) {
@@ -1495,7 +1490,7 @@ luke_endwalker(ir_node * bb, void * data)
        sched_foreach_reverse(bb, irn) {
                int   n;
 
-               if(!sched_skip_cf_predicator(irn, si->birg->main_env->arch_env)) break;
+               if (!sched_skip_cf_predicator(irn, si->birg->main_env->arch_env)) break;
 
                for (n=get_irn_arity(irn)-1; n>=0; --n) {
                        ir_node        *irn_arg = get_irn_n(irn, n);
@@ -1754,7 +1749,7 @@ insert_mem_copy_position(spill_ilp_t * si, pset * live, const ir_node * block)
                lpp_set_factor_fast(si->lpp, cst, to_copy_spill->reg_out, -1.0);
                if(reload != ILP_UNDEF) lpp_set_factor_fast(si->lpp, cst, reload, -1.0);
                lpp_set_factor_fast(si->lpp, cst, to_copy_op->attr.live_range.ilp, -1.0);
-               foreach_pre_remat(si, block, tmp) {
+               foreach_pre_remat(block, tmp) {
                        op_t     *remat_op = get_irn_link(tmp);
                        if(remat_op->attr.remat.remat->value == to_copy) {
                                lpp_set_factor_fast(si->lpp, cst, remat_op->attr.remat.ilp, -1.0);
@@ -1827,7 +1822,7 @@ luke_blockwalker(ir_node * bb, void * data)
                lpp_set_factor_fast(si->lpp, cst, spill->reg_out, 1.0);
                if(reload != ILP_UNDEF) lpp_set_factor_fast(si->lpp, cst, reload, -1.0);
                lpp_set_factor_fast(si->lpp, cst, op->attr.live_range.ilp, -1.0);
-               foreach_pre_remat(si, bb, tmp) {
+               foreach_pre_remat(bb, tmp) {
                        op_t     *remat_op = get_irn_link(tmp);
                        if(remat_op->attr.remat.remat->value == irn) {
                                lpp_set_factor_fast(si->lpp, cst, remat_op->attr.remat.ilp, -1.0);
@@ -1841,7 +1836,7 @@ luke_blockwalker(ir_node * bb, void * data)
                lpp_set_factor_fast(si->lpp, cst, spill->reg_out, 1.0);
                if(reload != ILP_UNDEF) lpp_set_factor_fast(si->lpp, cst, reload, -1.0);
                lpp_set_factor_fast(si->lpp, cst, op->attr.live_range.ilp, -1.0);
-               foreach_pre_remat(si, bb, tmp) {
+               foreach_pre_remat(bb, tmp) {
                        op_t     *remat_op = get_irn_link(tmp);
                        if(remat_op->attr.remat.remat->value == irn) {
                                lpp_set_factor_fast(si->lpp, cst, remat_op->attr.remat.ilp, -1.0);
@@ -1876,7 +1871,7 @@ luke_blockwalker(ir_node * bb, void * data)
        /*
         * assure the remat args are available
         */
-       foreach_pre_remat(si, bb, tmp) {
+       foreach_pre_remat(bb, tmp) {
                op_t     *remat_op = get_irn_link(tmp);
                int       n;
 
@@ -1922,7 +1917,7 @@ luke_blockwalker(ir_node * bb, void * data)
         *    B A S I C  B L O C K  B O D Y
         **************************************/
 
-       sched_foreach_reverse_from(sched_block_last_noncf(si, bb), irn) {
+       sched_foreach_reverse_from(sched_block_last_noncf(bb), irn) {
                op_t       *op;
                op_t       *tmp_op;
                int         n,
@@ -1983,7 +1978,7 @@ luke_blockwalker(ir_node * bb, void * data)
                                        }
                                }
                        }
-                       foreach_pre_remat(si, irn, tmp) {
+                       foreach_pre_remat(irn, tmp) {
                                for (n=get_irn_arity(tmp)-1; n>=0; --n) {
                                        ir_node        *remat_arg = get_irn_n(tmp, n);
                                        if(has_reg_class(si, remat_arg)) {
@@ -2378,7 +2373,7 @@ skip_one_must_die:
 
                        lpp_set_factor_fast(si->lpp, requirements, arg_op->attr.live_range.ilp, 1.0);
                        lpp_set_factor_fast(si->lpp, requirements, op->attr.live_range.args.reloads[i], 1.0);
-                       foreach_pre_remat(si, irn, tmp) {
+                       foreach_pre_remat(irn, tmp) {
                                op_t     *remat_op = get_irn_link(tmp);
                                if(remat_op->attr.remat.remat->value == arg) {
                                        lpp_set_factor_fast(si->lpp, requirements, remat_op->attr.remat.ilp, 1.0);
@@ -2427,7 +2422,7 @@ skip_one_must_die:
                }
 
                /* requirements for remats */
-               foreach_pre_remat(si, irn, tmp) {
+               foreach_pre_remat(irn, tmp) {
                        op_t        *remat_op = get_irn_link(tmp);
                        int          n;
 
@@ -3702,7 +3697,6 @@ insert_reload(spill_ilp_t * si, const ir_node * value, ir_node * after)
        defs_t   *defs;
        ir_node  *reload,
                         *spill;
-       const arch_env_t *arch_env = si->birg->main_env->arch_env;
 
        DBG((si->dbg, LEVEL_3, "\t  inserting reload for value %+F before %+F\n", value, after));
 
@@ -3711,7 +3705,7 @@ insert_reload(spill_ilp_t * si, const ir_node * value, ir_node * after)
        spill = defs->spills;
        assert(spill && "no spill placed before reload");
 
-       reload = be_reload(arch_env, si->cls, after, get_irn_mode(value), spill);
+       reload = be_reload(si->cls, after, get_irn_mode(value), spill);
 
        /* enter into the linked list */
        set_irn_link(reload, defs->remats);
@@ -3925,7 +3919,7 @@ walker_reload_placer(ir_node * bb, void * data) {
                        if(!is_zero(name->value)) {
                                ir_node    *reload;
                                ir_node    *insert_pos = bb;
-                               ir_node    *prev = sched_block_last_noncf(si, bb);
+                               ir_node    *prev = sched_block_last_noncf(bb);
                                op_t       *prev_op = get_irn_link(prev);
 
                                while(be_is_Spill(prev)) {