diff options
Diffstat (limited to 'gcc/sched-ebb.c')
| -rw-r--r-- | gcc/sched-ebb.c | 26 |
1 files changed, 11 insertions, 15 deletions
diff --git a/gcc/sched-ebb.c b/gcc/sched-ebb.c index 38b81af94e8..f6dc8ec04fe 100644 --- a/gcc/sched-ebb.c +++ b/gcc/sched-ebb.c @@ -300,28 +300,24 @@ static struct sched_info ebb_sched_info = static basic_block earliest_block_with_similiar_load (basic_block last_block, rtx load_insn) { - rtx back_link; + dep_link_t back_link; basic_block bb, earliest_block = NULL; - for (back_link = LOG_LINKS (load_insn); - back_link; - back_link = XEXP (back_link, 1)) + FOR_EACH_DEP_LINK (back_link, INSN_BACK_DEPS (load_insn)) { - rtx insn1 = XEXP (back_link, 0); + rtx insn1 = DEP_LINK_PRO (back_link); - if (GET_MODE (back_link) == VOIDmode) + if (DEP_LINK_KIND (back_link) == REG_DEP_TRUE) { /* Found a DEF-USE dependence (insn1, load_insn). */ - rtx fore_link; + dep_link_t fore_link; - for (fore_link = INSN_DEPEND (insn1); - fore_link; - fore_link = XEXP (fore_link, 1)) + FOR_EACH_DEP_LINK (fore_link, INSN_FORW_DEPS (insn1)) { - rtx insn2 = XEXP (fore_link, 0); + rtx insn2 = DEP_LINK_CON (fore_link); basic_block insn2_block = BLOCK_FOR_INSN (insn2); - if (GET_MODE (fore_link) == VOIDmode) + if (DEP_LINK_KIND (fore_link) == REG_DEP_TRUE) { if (earliest_block != NULL && earliest_block->index < insn2_block->index) @@ -404,7 +400,7 @@ add_deps_for_risky_insns (rtx head, rtx tail) REG_DEP_ANTI, DEP_ANTI); if (res == DEP_CREATED) - add_forw_dep (insn, LOG_LINKS (insn)); + add_forw_dep (DEPS_LIST_FIRST (INSN_BACK_DEPS (insn))); else gcc_assert (res != DEP_CHANGED); } @@ -451,12 +447,12 @@ schedule_ebb (rtx head, rtx tail) { init_deps_global (); - /* Compute LOG_LINKS. */ + /* Compute backward dependencies. */ init_deps (&tmp_deps); sched_analyze (&tmp_deps, head, tail); free_deps (&tmp_deps); - /* Compute INSN_DEPEND. */ + /* Compute forward dependencies. */ compute_forward_dependences (head, tail); add_deps_for_risky_insns (head, tail); |