X-Git-Url: http://nsz.repo.hu/git/?a=blobdiff_plain;f=ir%2Fbe%2Fbechordal.c;h=ade9717316c0efd53470dce4d61de4690ff663db;hb=11b7b651234355a0298e1075d57703c554e0ef4d;hp=4f54e7b7522e17ee3395ab2e38df2377a90ee528;hpb=bb9f2e36362333c6635b89f5258171b06c786608;p=libfirm

diff --git a/ir/be/bechordal.c b/ir/be/bechordal.c
index 4f54e7b75..ade971731 100644
--- a/ir/be/bechordal.c
+++ b/ir/be/bechordal.c
@@ -241,7 +241,8 @@ static ir_node *prepare_constr_insn(be_chordal_env_t *env, ir_node *irn)
 		const arch_register_t *reg;
 		const arch_register_req_t *req;
 
-		if (arch_get_irn_reg_class(irn, i) != env->cls)
+		req = arch_get_register_req(irn, i);
+		if (req->cls != env->cls)
 			continue;
 
 		reg = arch_get_irn_register(op);
@@ -251,7 +252,6 @@ static ir_node *prepare_constr_insn(be_chordal_env_t *env, ir_node *irn)
 		if(arch_register_type_is(reg, joker))
 			continue;
 
-		req = arch_get_register_req(irn, i);
 		if (!arch_register_req_is(req, limited))
 			continue;
 
@@ -369,13 +369,9 @@ void be_pre_spill_prepare_constr(be_chordal_env_t *cenv) {
 static void pair_up_operands(const be_chordal_alloc_env_t *alloc_env, be_insn_t *insn)
 {
 	const be_chordal_env_t *env = alloc_env->chordal_env;
-
-	int n_uses   = be_insn_n_uses(insn);
-	int n_defs   = be_insn_n_defs(insn);
-	bitset_t *bs = bitset_alloca(env->cls->n_regs);
-	int *pairing = alloca(MAX(n_defs, n_uses) * sizeof(pairing[0]));
-
-	int i, j;
+	bitset_t               *bs  = bitset_alloca(env->cls->n_regs);
+	int                     i;
+	int                     j;
 
 	/*
 		For each out operand, try to find an in operand which can be assigned the
@@ -538,10 +534,10 @@ static ir_node *handle_constraints(be_chordal_alloc_env_t *alloc_env,
 
 	n_regs      = env->cls->n_regs;
 	bs          = bitset_alloca(n_regs);
-	alloc_nodes = alloca(n_regs * sizeof(alloc_nodes[0]));
+	alloc_nodes = ALLOCAN(ir_node*, n_regs);
 	//bp          = hungarian_new(n_regs, n_regs, 2, HUNGARIAN_MATCH_PERFECT);
 	bp          = bipartite_new(n_regs, n_regs);
-	assignment  = alloca(n_regs * sizeof(assignment[0]));
+	assignment  = ALLOCAN(int, n_regs);
 	partners    = pmap_create();
 
 	/*