renamed set_value/clear_value(): these names clash with the construction functions

[libfirm] / ir / be / bespill.c

diff --git a/ir/be/bespill.c b/ir/be/bespill.c
index 1d2cba1..d0bf932 100644 (file)
--- a/ir/be/bespill.c
+++ b/ir/be/bespill.c
@@ -640,6 +640,9 @@ int check_remat_conditions_costs(spill_env_t *env, const ir_node *spilled,
        if(parentcosts + costs >= env->reload_cost + env->spill_cost) {
                return REMAT_COST_INFINITE;
        }
+       if(arch_irn_is(env->arch_env, spilled, modify_flags)) {
+               return REMAT_COST_INFINITE;
+       }
 
        argremats = 0;
        for(i = 0, arity = get_irn_arity(spilled); i < arity; ++i) {