X-Git-Url: http://nsz.repo.hu/git/?a=blobdiff_plain;f=ir%2Fbe%2Fbeschedrand.c;h=064b1247f954fca4dc50aa978587c8ac02a6b796;hb=5474a1c188c9d59eea2c915515980cd9cbab58d8;hp=e7fc89ce06bcb22a920c134bbe842668d0c2de3f;hpb=f46792d0e49d452ef92de2a802ae894c0ce30bbb;p=libfirm diff --git a/ir/be/beschedrand.c b/ir/be/beschedrand.c index e7fc89ce0..064b1247f 100644 --- a/ir/be/beschedrand.c +++ b/ir/be/beschedrand.c @@ -22,7 +22,6 @@ * @brief Random node selector. * @author Matthias Braun * @date 29.08.2006 - * @version $Id$ */ #include "config.h" @@ -30,19 +29,18 @@ #include "besched.h" #include "belistsched.h" +#include "bemodule.h" /** * The random selector: * Just assure that branches are executed last, otherwise select a random node */ -static ir_node *random_select(void *block_env, ir_nodeset_t *ready_set, - ir_nodeset_t *live_set) +static ir_node *random_select(void *block_env, ir_nodeset_t *ready_set) { ir_nodeset_iterator_t iter; ir_node *irn = NULL; int only_branches_left = 1; (void)block_env; - (void)live_set; /* assure that branches and constants are executed last */ ir_nodeset_iterator_init(&iter, ready_set); @@ -75,13 +73,10 @@ static ir_node *random_select(void *block_env, ir_nodeset_t *ready_set, return irn; } -static void *random_init_graph(const list_sched_selector_t *vtab, ir_graph *irg) +static void *random_init_graph(ir_graph *irg) { - (void)vtab; (void)irg; - /* Using time(NULL) as a seed here gives really random results, - but is NOT deterministic which makes debugging impossible. - Moreover no-one want non-deterministic compilers ... */ + /* TODO: add commandline option for the seed */ srand(0x4711); return NULL; } @@ -93,14 +88,22 @@ static void *random_init_block(void *graph_env, ir_node *block) return NULL; } -const list_sched_selector_t random_selector = { - random_init_graph, - random_init_block, - random_select, - NULL, /* node_ready */ - NULL, /* node_selected */ - NULL, /* exectime */ - NULL, /* latency */ - NULL, /* finish_block */ - NULL /* finish_graph */ -}; +static void sched_random(ir_graph *irg) +{ + static const list_sched_selector_t random_selector = { + random_init_graph, + random_init_block, + random_select, + NULL, /* node_ready */ + NULL, /* node_selected */ + NULL, /* finish_block */ + NULL /* finish_graph */ + }; + be_list_sched_graph(irg, &random_selector); +} + +BE_REGISTER_MODULE_CONSTRUCTOR(be_init_sched_rand) +void be_init_sched_rand(void) +{ + be_register_scheduler("random", sched_random); +}